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diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/cfg_if/lib.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/cfg_if/lib.rs.html new file mode 100644 index 0000000..8c9fb7c --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/cfg_if/lib.rs.html @@ -0,0 +1,354 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/cfg-if-1.0.0/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" 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type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../cfg_if/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> 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id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +</pre><pre class="rust"><code><span class="doccomment">//! A macro for defining `#[cfg]` if-else statements. +//! +//! The macro provided by this crate, `cfg_if`, is similar to the `if/elif` C +//! preprocessor macro by allowing definition of a cascade of `#[cfg]` cases, +//! emitting the implementation which matches first. +//! +//! This allows you to conveniently provide a long list `#[cfg]`'d blocks of code +//! without having to rewrite each clause multiple times. +//! +//! # Example +//! +//! ``` +//! cfg_if::cfg_if! { +//! if #[cfg(unix)] { +//! fn foo() { /* unix specific functionality */ } +//! } else if #[cfg(target_pointer_width = "32")] { +//! fn foo() { /* non-unix, 32-bit functionality */ } +//! } else { +//! fn foo() { /* fallback implementation */ } +//! } +//! } +//! +//! # fn main() {} +//! ``` + +</span><span class="attribute">#![no_std] +#![doc(html_root_url = <span class="string">"https://docs.rs/cfg-if"</span>)] +#![deny(missing_docs)] +#![cfg_attr(test, deny(warnings))] + +</span><span class="doccomment">/// The main macro provided by this crate. See crate documentation for more +/// information. +</span><span class="attribute">#[macro_export] +</span><span class="macro">macro_rules! </span>cfg_if { + <span class="comment">// match if/else chains with a final `else` + </span>($( + <span class="kw">if </span><span class="attribute">#[cfg(<span class="macro-nonterminal">$meta</span>:meta)] </span>{ $(<span class="macro-nonterminal">$tokens</span>:tt)* } + ) <span class="kw">else </span>* <span class="kw">else </span>{ + $(<span class="macro-nonterminal">$tokens2</span>:tt)* + }) => { + <span class="macro-nonterminal">$</span><span class="macro">crate::cfg_if! </span>{ + @<span class="macro-nonterminal">__items + </span>() ; + $( ( (<span class="macro-nonterminal">$meta</span>) ($(<span class="macro-nonterminal">$tokens</span>)<span class="kw-2">*</span>) ), )* + ( () ($(<span class="macro-nonterminal">$tokens2</span>)<span class="kw-2">*</span>) ), + } + }; + + <span class="comment">// match if/else chains lacking a final `else` + </span>( + <span class="kw">if </span><span class="attribute">#[cfg(<span class="macro-nonterminal">$i_met</span>:meta)] </span>{ $(<span class="macro-nonterminal">$i_tokens</span>:tt)* } + $( + <span class="kw">else if </span><span class="attribute">#[cfg(<span class="macro-nonterminal">$e_met</span>:meta)] </span>{ $(<span class="macro-nonterminal">$e_tokens</span>:tt)* } + )* + ) => { + <span class="macro-nonterminal">$</span><span class="macro">crate::cfg_if! </span>{ + @<span class="macro-nonterminal">__items + </span>() ; + ( (<span class="macro-nonterminal">$i_met</span>) ($(<span class="macro-nonterminal">$i_tokens</span>)<span class="kw-2">*</span>) ), + $( ( (<span class="macro-nonterminal">$e_met</span>) ($(<span class="macro-nonterminal">$e_tokens</span>)<span class="kw-2">*</span>) ), )* + ( () () ), + } + }; + + <span class="comment">// Internal and recursive macro to emit all the items + // + // Collects all the negated cfgs in a list at the beginning and after the + // semicolon is all the remaining items + </span>(@__items ($(<span class="macro-nonterminal">$not</span>:meta,)<span class="kw-2">*</span>) ; ) => {}; + (@__items ($(<span class="macro-nonterminal">$not</span>:meta,)<span class="kw-2">*</span>) ; ( ($(<span class="macro-nonterminal">$m</span>:meta),<span class="kw-2">*</span>) ($(<span class="macro-nonterminal">$tokens</span>:tt)<span class="kw-2">*</span>) ), $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { + <span class="comment">// Emit all items within one block, applying an appropriate #[cfg]. The + // #[cfg] will require all `$m` matchers specified and must also negate + // all previous matchers. + </span><span class="attribute">#[cfg(all($(<span class="macro-nonterminal">$m</span>,)* not(any($(<span class="macro-nonterminal">$not</span>),<span class="kw-2">*</span>))))] </span><span class="macro-nonterminal">$</span><span class="macro">crate::cfg_if! </span>{ @<span class="macro-nonterminal">__identity </span>$(<span class="macro-nonterminal">$tokens</span>)* } + + <span class="comment">// Recurse to emit all other items in `$rest`, and when we do so add all + // our `$m` matchers to the list of `$not` matchers as future emissions + // will have to negate everything we just matched as well. + </span><span class="macro-nonterminal">$</span><span class="macro">crate::cfg_if! </span>{ @<span class="macro-nonterminal">__items </span>($(<span class="macro-nonterminal">$not</span>,)* $(<span class="macro-nonterminal">$m</span>,)<span class="kw-2">*</span>) ; $(<span class="macro-nonterminal">$rest</span>)* } + }; + + <span class="comment">// Internal macro to make __apply work out right for different match types, + // because of how macros matching/expand stuff. + </span>(@__identity $(<span class="macro-nonterminal">$tokens</span>:tt)<span class="kw-2">*</span>) => { + $(<span class="macro-nonterminal">$tokens</span>)* + }; +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(test)] </span>{ + <span class="kw">use </span>core::option::Option <span class="kw">as </span>Option2; + <span class="kw">fn </span>works1() -> Option2<u32> { <span class="prelude-val">Some</span>(<span class="number">1</span>) } + } <span class="kw">else </span>{ + <span class="kw">fn </span>works1() -> <span class="prelude-ty">Option</span><u32> { <span class="prelude-val">None </span>} + } + } + + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(foo)] </span>{ + <span class="kw">fn </span>works2() -> bool { <span class="bool-val">false </span>} + } <span class="kw">else if </span><span class="attribute">#[cfg(test)] </span>{ + <span class="kw">fn </span>works2() -> bool { <span class="bool-val">true </span>} + } <span class="kw">else </span>{ + <span class="kw">fn </span>works2() -> bool { <span class="bool-val">false </span>} + } + } + + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(foo)] </span>{ + <span class="kw">fn </span>works3() -> bool { <span class="bool-val">false </span>} + } <span class="kw">else </span>{ + <span class="kw">fn </span>works3() -> bool { <span class="bool-val">true </span>} + } + } + + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(test)] </span>{ + <span class="kw">use </span>core::option::Option <span class="kw">as </span>Option3; + <span class="kw">fn </span>works4() -> Option3<u32> { <span class="prelude-val">Some</span>(<span class="number">1</span>) } + } + } + + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(foo)] </span>{ + <span class="kw">fn </span>works5() -> bool { <span class="bool-val">false </span>} + } <span class="kw">else if </span><span class="attribute">#[cfg(test)] </span>{ + <span class="kw">fn </span>works5() -> bool { <span class="bool-val">true </span>} + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>it_works() { + <span class="macro">assert!</span>(works1().is_some()); + <span class="macro">assert!</span>(works2()); + <span class="macro">assert!</span>(works3()); + <span class="macro">assert!</span>(works4().is_some()); + <span class="macro">assert!</span>(works5()); + } + + <span class="attribute">#[test] + #[allow(clippy::assertions_on_constants)] + </span><span class="kw">fn </span>test_usage_within_a_function() { + <span class="macro">cfg_if! </span>{<span class="kw">if </span><span class="attribute">#[cfg(debug_assertions)] </span>{ + <span class="comment">// we want to put more than one thing here to make sure that they + // all get configured properly. + </span><span class="macro">assert!</span>(<span class="macro">cfg!</span>(debug_assertions)); + <span class="macro">assert_eq!</span>(<span class="number">4</span>, <span class="number">2</span>+<span class="number">2</span>); + } <span class="kw">else </span>{ + <span class="macro">assert!</span>(works1().is_some()); + <span class="macro">assert_eq!</span>(<span class="number">10</span>, <span class="number">5</span>+<span class="number">5</span>); + }} + } + + <span class="kw">trait </span>Trait { + <span class="kw">fn </span>blah(<span class="kw-2">&</span><span class="self">self</span>); + } + + <span class="attribute">#[allow(dead_code)] + </span><span class="kw">struct </span>Struct; + + <span class="kw">impl </span>Trait <span class="kw">for </span>Struct { + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"blah"</span>)] </span>{ + <span class="kw">fn </span>blah(<span class="kw-2">&</span><span class="self">self</span>) { + <span class="macro">unimplemented!</span>(); + } + } <span class="kw">else </span>{ + <span class="kw">fn </span>blah(<span class="kw-2">&</span><span class="self">self</span>) { + <span class="macro">unimplemented!</span>(); + } + } + } + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="cfg_if" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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id="190">190</span> +<span id="191">191</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. +</span><span class="kw">use </span>core::{fmt, num::NonZeroU32}; + +<span class="doccomment">/// A small and `no_std` compatible error type +/// +/// The [`Error::raw_os_error()`] will indicate if the error is from the OS, and +/// if so, which error code the OS gave the application. If such an error is +/// encountered, please consult with your system documentation. +/// +/// Internally this type is a NonZeroU32, with certain values reserved for +/// certain purposes, see [`Error::INTERNAL_START`] and [`Error::CUSTOM_START`]. +/// +/// *If this crate's `"std"` Cargo feature is enabled*, then: +/// - [`getrandom::Error`][Error] implements +/// [`std::error::Error`](https://doc.rust-lang.org/std/error/trait.Error.html) +/// - [`std::io::Error`](https://doc.rust-lang.org/std/io/struct.Error.html) implements +/// [`From<getrandom::Error>`](https://doc.rust-lang.org/std/convert/trait.From.html). +</span><span class="attribute">#[derive(Copy, Clone, Eq, PartialEq)] +</span><span class="kw">pub struct </span>Error(NonZeroU32); + +<span class="kw">const fn </span>internal_error(n: u16) -> Error { + <span class="comment">// SAFETY: code > 0 as INTERNAL_START > 0 and adding n won't overflow a u32. + </span><span class="kw">let </span>code = Error::INTERNAL_START + (n <span class="kw">as </span>u32); + Error(<span class="kw">unsafe </span>{ NonZeroU32::new_unchecked(code) }) +} + +<span class="kw">impl </span>Error { + <span class="doccomment">/// This target/platform is not supported by `getrandom`. + </span><span class="kw">pub const </span>UNSUPPORTED: Error = internal_error(<span class="number">0</span>); + <span class="doccomment">/// The platform-specific `errno` returned a non-positive value. + </span><span class="kw">pub const </span>ERRNO_NOT_POSITIVE: Error = internal_error(<span class="number">1</span>); + <span class="doccomment">/// Call to iOS [`SecRandomCopyBytes`](https://developer.apple.com/documentation/security/1399291-secrandomcopybytes) failed. + </span><span class="kw">pub const </span>IOS_SEC_RANDOM: Error = internal_error(<span class="number">3</span>); + <span class="doccomment">/// Call to Windows [`RtlGenRandom`](https://docs.microsoft.com/en-us/windows/win32/api/ntsecapi/nf-ntsecapi-rtlgenrandom) failed. + </span><span class="kw">pub const </span>WINDOWS_RTL_GEN_RANDOM: Error = internal_error(<span class="number">4</span>); + <span class="doccomment">/// RDRAND instruction failed due to a hardware issue. + </span><span class="kw">pub const </span>FAILED_RDRAND: Error = internal_error(<span class="number">5</span>); + <span class="doccomment">/// RDRAND instruction unsupported on this target. + </span><span class="kw">pub const </span>NO_RDRAND: Error = internal_error(<span class="number">6</span>); + <span class="doccomment">/// The environment does not support the Web Crypto API. + </span><span class="kw">pub const </span>WEB_CRYPTO: Error = internal_error(<span class="number">7</span>); + <span class="doccomment">/// Calling Web Crypto API `crypto.getRandomValues` failed. + </span><span class="kw">pub const </span>WEB_GET_RANDOM_VALUES: Error = internal_error(<span class="number">8</span>); + <span class="doccomment">/// On VxWorks, call to `randSecure` failed (random number generator is not yet initialized). + </span><span class="kw">pub const </span>VXWORKS_RAND_SECURE: Error = internal_error(<span class="number">11</span>); + <span class="doccomment">/// Node.js does not have the `crypto` CommonJS module. + </span><span class="kw">pub const </span>NODE_CRYPTO: Error = internal_error(<span class="number">12</span>); + <span class="doccomment">/// Calling Node.js function `crypto.randomFillSync` failed. + </span><span class="kw">pub const </span>NODE_RANDOM_FILL_SYNC: Error = internal_error(<span class="number">13</span>); + <span class="doccomment">/// Called from an ES module on Node.js. This is unsupported, see: + /// <https://docs.rs/getrandom#nodejs-es-module-support>. + </span><span class="kw">pub const </span>NODE_ES_MODULE: Error = internal_error(<span class="number">14</span>); + + <span class="doccomment">/// Codes below this point represent OS Errors (i.e. positive i32 values). + /// Codes at or above this point, but below [`Error::CUSTOM_START`] are + /// reserved for use by the `rand` and `getrandom` crates. + </span><span class="kw">pub const </span>INTERNAL_START: u32 = <span class="number">1 </span><< <span class="number">31</span>; + + <span class="doccomment">/// Codes at or above this point can be used by users to define their own + /// custom errors. + </span><span class="kw">pub const </span>CUSTOM_START: u32 = (<span class="number">1 </span><< <span class="number">31</span>) + (<span class="number">1 </span><< <span class="number">30</span>); + + <span class="doccomment">/// Extract the raw OS error code (if this error came from the OS) + /// + /// This method is identical to [`std::io::Error::raw_os_error()`][1], except + /// that it works in `no_std` contexts. If this method returns `None`, the + /// error value can still be formatted via the `Display` implementation. + /// + /// [1]: https://doc.rust-lang.org/std/io/struct.Error.html#method.raw_os_error + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>raw_os_error(<span class="self">self</span>) -> <span class="prelude-ty">Option</span><i32> { + <span class="kw">if </span><span class="self">self</span>.<span class="number">0</span>.get() < <span class="self">Self</span>::INTERNAL_START { + <span class="kw">match </span>() { + <span class="attribute">#[cfg(target_os = <span class="string">"solid_asp3"</span>)] + </span><span class="comment">// On SOLID, negate the error code again to obtain the original + // error code. + </span>() => <span class="prelude-val">Some</span>(-(<span class="self">self</span>.<span class="number">0</span>.get() <span class="kw">as </span>i32)), + <span class="attribute">#[cfg(not(target_os = <span class="string">"solid_asp3"</span>))] + </span>() => <span class="prelude-val">Some</span>(<span class="self">self</span>.<span class="number">0</span>.get() <span class="kw">as </span>i32), + } + } <span class="kw">else </span>{ + <span class="prelude-val">None + </span>} + } + + <span class="doccomment">/// Extract the bare error code. + /// + /// This code can either come from the underlying OS, or be a custom error. + /// Use [`Error::raw_os_error()`] to disambiguate. + </span><span class="attribute">#[inline] + </span><span class="kw">pub const fn </span>code(<span class="self">self</span>) -> NonZeroU32 { + <span class="self">self</span>.<span class="number">0 + </span>} +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(unix)] </span>{ + <span class="kw">fn </span>os_err(errno: i32, buf: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str> { + <span class="kw">let </span>buf_ptr = buf.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span>libc::c_char; + <span class="kw">if unsafe </span>{ libc::strerror_r(errno, buf_ptr, buf.len()) } != <span class="number">0 </span>{ + <span class="kw">return </span><span class="prelude-val">None</span>; + } + + <span class="comment">// Take up to trailing null byte + </span><span class="kw">let </span>n = buf.len(); + <span class="kw">let </span>idx = buf.iter().position(|<span class="kw-2">&</span>b| b == <span class="number">0</span>).unwrap_or(n); + core::str::from_utf8(<span class="kw-2">&</span>buf[..idx]).ok() + } + } <span class="kw">else </span>{ + <span class="kw">fn </span>os_err(_errno: i32, _buf: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str> { + <span class="prelude-val">None + </span>} + } +} + +<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Error { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { + <span class="kw">let </span><span class="kw-2">mut </span>dbg = f.debug_struct(<span class="string">"Error"</span>); + <span class="kw">if let </span><span class="prelude-val">Some</span>(errno) = <span class="self">self</span>.raw_os_error() { + dbg.field(<span class="string">"os_error"</span>, <span class="kw-2">&</span>errno); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u8</span>; <span class="number">128</span>]; + <span class="kw">if let </span><span class="prelude-val">Some</span>(err) = os_err(errno, <span class="kw-2">&mut </span>buf) { + dbg.field(<span class="string">"description"</span>, <span class="kw-2">&</span>err); + } + } <span class="kw">else if let </span><span class="prelude-val">Some</span>(desc) = internal_desc(<span class="kw-2">*</span><span class="self">self</span>) { + dbg.field(<span class="string">"internal_code"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>.get()); + dbg.field(<span class="string">"description"</span>, <span class="kw-2">&</span>desc); + } <span class="kw">else </span>{ + dbg.field(<span class="string">"unknown_code"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>.get()); + } + dbg.finish() + } +} + +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>Error { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { + <span class="kw">if let </span><span class="prelude-val">Some</span>(errno) = <span class="self">self</span>.raw_os_error() { + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u8</span>; <span class="number">128</span>]; + <span class="kw">match </span>os_err(errno, <span class="kw-2">&mut </span>buf) { + <span class="prelude-val">Some</span>(err) => err.fmt(f), + <span class="prelude-val">None </span>=> <span class="macro">write!</span>(f, <span class="string">"OS Error: {}"</span>, errno), + } + } <span class="kw">else if let </span><span class="prelude-val">Some</span>(desc) = internal_desc(<span class="kw-2">*</span><span class="self">self</span>) { + f.write_str(desc) + } <span class="kw">else </span>{ + <span class="macro">write!</span>(f, <span class="string">"Unknown Error: {}"</span>, <span class="self">self</span>.<span class="number">0</span>.get()) + } + } +} + +<span class="kw">impl </span>From<NonZeroU32> <span class="kw">for </span>Error { + <span class="kw">fn </span>from(code: NonZeroU32) -> <span class="self">Self </span>{ + <span class="self">Self</span>(code) + } +} + +<span class="kw">fn </span>internal_desc(error: Error) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'static </span>str> { + <span class="kw">match </span>error { + Error::UNSUPPORTED => <span class="prelude-val">Some</span>(<span class="string">"getrandom: this target is not supported"</span>), + Error::ERRNO_NOT_POSITIVE => <span class="prelude-val">Some</span>(<span class="string">"errno: did not return a positive value"</span>), + Error::IOS_SEC_RANDOM => <span class="prelude-val">Some</span>(<span class="string">"SecRandomCopyBytes: iOS Security framework failure"</span>), + Error::WINDOWS_RTL_GEN_RANDOM => <span class="prelude-val">Some</span>(<span class="string">"RtlGenRandom: Windows system function failure"</span>), + Error::FAILED_RDRAND => <span class="prelude-val">Some</span>(<span class="string">"RDRAND: failed multiple times: CPU issue likely"</span>), + Error::NO_RDRAND => <span class="prelude-val">Some</span>(<span class="string">"RDRAND: instruction not supported"</span>), + Error::WEB_CRYPTO => <span class="prelude-val">Some</span>(<span class="string">"Web Crypto API is unavailable"</span>), + Error::WEB_GET_RANDOM_VALUES => <span class="prelude-val">Some</span>(<span class="string">"Calling Web API crypto.getRandomValues failed"</span>), + Error::VXWORKS_RAND_SECURE => <span class="prelude-val">Some</span>(<span class="string">"randSecure: VxWorks RNG module is not initialized"</span>), + Error::NODE_CRYPTO => <span class="prelude-val">Some</span>(<span class="string">"Node.js crypto CommonJS module is unavailable"</span>), + Error::NODE_RANDOM_FILL_SYNC => <span class="prelude-val">Some</span>(<span class="string">"Calling Node.js API crypto.randomFillSync failed"</span>), + Error::NODE_ES_MODULE => <span class="prelude-val">Some</span>(<span class="string">"Node.js ES modules are not directly supported, see https://docs.rs/getrandom#nodejs-es-module-support"</span>), + <span class="kw">_ </span>=> <span class="prelude-val">None</span>, + } +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use </span><span class="kw">super</span>::Error; + <span class="kw">use </span>core::mem::size_of; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_size() { + <span class="macro">assert_eq!</span>(size_of::<Error>(), <span class="number">4</span>); + <span class="macro">assert_eq!</span>(size_of::<<span class="prelude-ty">Result</span><(), Error>>(), <span class="number">4</span>); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/error_impls.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/error_impls.rs.html new file mode 100644 index 0000000..8312fb2 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/error_impls.rs.html @@ -0,0 +1,51 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/error_impls.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>error_impls.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../getrandom/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. +</span><span class="attribute">#![cfg_attr(docsrs, doc(cfg(feature = <span class="string">"std"</span>)))] +</span><span class="kw">extern crate </span>std; + +<span class="kw">use </span><span class="kw">crate</span>::Error; +<span class="kw">use </span>core::convert::From; +<span class="kw">use </span>std::io; + +<span class="kw">impl </span>From<Error> <span class="kw">for </span>io::Error { + <span class="kw">fn </span>from(err: Error) -> <span class="self">Self </span>{ + <span class="kw">match </span>err.raw_os_error() { + <span class="prelude-val">Some</span>(errno) => io::Error::from_raw_os_error(errno), + <span class="prelude-val">None </span>=> io::Error::new(io::ErrorKind::Other, err), + } + } +} + +<span class="kw">impl </span>std::error::Error <span class="kw">for </span>Error {} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/lib.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/lib.rs.html new file mode 100644 index 0000000..1ee8d19 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/lib.rs.html @@ -0,0 +1,585 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../getrandom/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2019 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Interface to the operating system's random number generator. +//! +//! # Supported targets +//! +//! | Target | Target Triple | Implementation +//! | ----------------- | ------------------ | -------------- +//! | Linux, Android | `*‑linux‑*` | [`getrandom`][1] system call if available, otherwise [`/dev/urandom`][2] after successfully polling `/dev/random` +//! | Windows | `*‑windows‑*` | [`BCryptGenRandom`] +//! | macOS | `*‑apple‑darwin` | [`getentropy`][3] if available, otherwise [`/dev/random`][4] (identical to `/dev/urandom`) +//! | iOS | `*‑apple‑ios` | [`SecRandomCopyBytes`] +//! | FreeBSD | `*‑freebsd` | [`getrandom`][5] if available, otherwise [`kern.arandom`][6] +//! | OpenBSD | `*‑openbsd` | [`getentropy`][7] +//! | NetBSD | `*‑netbsd` | [`kern.arandom`][8] +//! | Dragonfly BSD | `*‑dragonfly` | [`getrandom`][9] if available, otherwise [`/dev/random`][10] +//! | Solaris, illumos | `*‑solaris`, `*‑illumos` | [`getrandom`][11] if available, otherwise [`/dev/random`][12] +//! | Fuchsia OS | `*‑fuchsia` | [`cprng_draw`] +//! | Redox | `*‑redox` | `/dev/urandom` +//! | Haiku | `*‑haiku` | `/dev/random` (identical to `/dev/urandom`) +//! | Hermit | `x86_64-*-hermit` | [`RDRAND`] +//! | SGX | `x86_64‑*‑sgx` | [`RDRAND`] +//! | VxWorks | `*‑wrs‑vxworks‑*` | `randABytes` after checking entropy pool initialization with `randSecure` +//! | ESP-IDF | `*‑espidf` | [`esp_fill_random`] +//! | Emscripten | `*‑emscripten` | `/dev/random` (identical to `/dev/urandom`) +//! | WASI | `wasm32‑wasi` | [`random_get`] +//! | Web Browser and Node.js | `wasm32‑*‑unknown` | [`Crypto.getRandomValues`] if available, then [`crypto.randomFillSync`] if on Node.js, see [WebAssembly support] +//! | SOLID | `*-kmc-solid_*` | `SOLID_RNG_SampleRandomBytes` +//! | Nintendo 3DS | `armv6k-nintendo-3ds` | [`getrandom`][1] +//! +//! There is no blanket implementation on `unix` targets that reads from +//! `/dev/urandom`. This ensures all supported targets are using the recommended +//! interface and respect maximum buffer sizes. +//! +//! Pull Requests that add support for new targets to `getrandom` are always welcome. +//! +//! ## Unsupported targets +//! +//! By default, `getrandom` will not compile on unsupported targets, but certain +//! features allow a user to select a "fallback" implementation if no supported +//! implementation exists. +//! +//! All of the below mechanisms only affect unsupported +//! targets. Supported targets will _always_ use their supported implementations. +//! This prevents a crate from overriding a secure source of randomness +//! (either accidentally or intentionally). +//! +//! ### RDRAND on x86 +//! +//! *If the `rdrand` Cargo feature is enabled*, `getrandom` will fallback to using +//! the [`RDRAND`] instruction to get randomness on `no_std` `x86`/`x86_64` +//! targets. This feature has no effect on other CPU architectures. +//! +//! ### WebAssembly support +//! +//! This crate fully supports the +//! [`wasm32-wasi`](https://github.com/CraneStation/wasi) and +//! [`wasm32-unknown-emscripten`](https://www.hellorust.com/setup/emscripten/) +//! targets. However, the `wasm32-unknown-unknown` target (i.e. the target used +//! by `wasm-pack`) is not automatically +//! supported since, from the target name alone, we cannot deduce which +//! JavaScript interface is in use (or if JavaScript is available at all). +//! +//! Instead, *if the `js` Cargo feature is enabled*, this crate will assume +//! that you are building for an environment containing JavaScript, and will +//! call the appropriate methods. Both web browser (main window and Web Workers) +//! and Node.js environments are supported, invoking the methods +//! [described above](#supported-targets) using the [`wasm-bindgen`] toolchain. +//! +//! To enable the `js` Cargo feature, add the following to the `dependencies` +//! section in your `Cargo.toml` file: +//! ```toml +//! [dependencies] +//! getrandom = { version = "0.2", features = ["js"] } +//! ``` +//! +//! This can be done even if `getrandom` is not a direct dependency. Cargo +//! allows crates to enable features for indirect dependencies. +//! +//! This feature should only be enabled for binary, test, or benchmark crates. +//! Library crates should generally not enable this feature, leaving such a +//! decision to *users* of their library. Also, libraries should not introduce +//! their own `js` features *just* to enable `getrandom`'s `js` feature. +//! +//! This feature has no effect on targets other than `wasm32-unknown-unknown`. +//! +//! #### Node.js ES module support +//! +//! Node.js supports both [CommonJS modules] and [ES modules]. Due to +//! limitations in wasm-bindgen's [`module`] support, we cannot directly +//! support ES Modules running on Node.js. However, on Node v15 and later, the +//! module author can add a simple shim to support the Web Cryptography API: +//! ```js +//! import { webcrypto } from 'node:crypto' +//! globalThis.crypto = webcrypto +//! ``` +//! This crate will then use the provided `webcrypto` implementation. +//! +//! ### Custom implementations +//! +//! The [`register_custom_getrandom!`] macro allows a user to mark their own +//! function as the backing implementation for [`getrandom`]. See the macro's +//! documentation for more information about writing and registering your own +//! custom implementations. +//! +//! Note that registering a custom implementation only has an effect on targets +//! that would otherwise not compile. Any supported targets (including those +//! using `rdrand` and `js` Cargo features) continue using their normal +//! implementations even if a function is registered. +//! +//! ## Early boot +//! +//! Sometimes, early in the boot process, the OS has not collected enough +//! entropy to securely seed its RNG. This is especially common on virtual +//! machines, where standard "random" events are hard to come by. +//! +//! Some operating system interfaces always block until the RNG is securely +//! seeded. This can take anywhere from a few seconds to more than a minute. +//! A few (Linux, NetBSD and Solaris) offer a choice between blocking and +//! getting an error; in these cases, we always choose to block. +//! +//! On Linux (when the `getrandom` system call is not available), reading from +//! `/dev/urandom` never blocks, even when the OS hasn't collected enough +//! entropy yet. To avoid returning low-entropy bytes, we first poll +//! `/dev/random` and only switch to `/dev/urandom` once this has succeeded. +//! +//! On OpenBSD, this kind of entropy accounting isn't available, and on +//! NetBSD, blocking on it is discouraged. On these platforms, nonblocking +//! interfaces are used, even when reliable entropy may not be available. +//! On the platforms where it is used, the reliability of entropy accounting +//! itself isn't free from controversy. This library provides randomness +//! sourced according to the platform's best practices, but each platform has +//! its own limits on the grade of randomness it can promise in environments +//! with few sources of entropy. +//! +//! ## Error handling +//! +//! We always choose failure over returning known insecure "random" bytes. In +//! general, on supported platforms, failure is highly unlikely, though not +//! impossible. If an error does occur, then it is likely that it will occur +//! on every call to `getrandom`, hence after the first successful call one +//! can be reasonably confident that no errors will occur. +//! +//! [1]: http://man7.org/linux/man-pages/man2/getrandom.2.html +//! [2]: http://man7.org/linux/man-pages/man4/urandom.4.html +//! [3]: https://www.unix.com/man-page/mojave/2/getentropy/ +//! [4]: https://www.unix.com/man-page/mojave/4/random/ +//! [5]: https://www.freebsd.org/cgi/man.cgi?query=getrandom&manpath=FreeBSD+12.0-stable +//! [6]: https://www.freebsd.org/cgi/man.cgi?query=random&sektion=4 +//! [7]: https://man.openbsd.org/getentropy.2 +//! [8]: https://man.netbsd.org/sysctl.7 +//! [9]: https://leaf.dragonflybsd.org/cgi/web-man?command=getrandom +//! [10]: https://leaf.dragonflybsd.org/cgi/web-man?command=random&section=4 +//! [11]: https://docs.oracle.com/cd/E88353_01/html/E37841/getrandom-2.html +//! [12]: https://docs.oracle.com/cd/E86824_01/html/E54777/random-7d.html +//! +//! [`BCryptGenRandom`]: https://docs.microsoft.com/en-us/windows/win32/api/bcrypt/nf-bcrypt-bcryptgenrandom +//! [`Crypto.getRandomValues`]: https://www.w3.org/TR/WebCryptoAPI/#Crypto-method-getRandomValues +//! [`RDRAND`]: https://software.intel.com/en-us/articles/intel-digital-random-number-generator-drng-software-implementation-guide +//! [`SecRandomCopyBytes`]: https://developer.apple.com/documentation/security/1399291-secrandomcopybytes?language=objc +//! [`cprng_draw`]: https://fuchsia.dev/fuchsia-src/zircon/syscalls/cprng_draw +//! [`crypto.randomFillSync`]: https://nodejs.org/api/crypto.html#cryptorandomfillsyncbuffer-offset-size +//! [`esp_fill_random`]: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/random.html#_CPPv415esp_fill_randomPv6size_t +//! [`random_get`]: https://github.com/WebAssembly/WASI/blob/main/phases/snapshot/docs.md#-random_getbuf-pointeru8-buf_len-size---errno +//! [WebAssembly support]: #webassembly-support +//! [`wasm-bindgen`]: https://github.com/rustwasm/wasm-bindgen +//! [`module`]: https://rustwasm.github.io/wasm-bindgen/reference/attributes/on-js-imports/module.html +//! [CommonJS modules]: https://nodejs.org/api/modules.html +//! [ES modules]: https://nodejs.org/api/esm.html + +</span><span class="attribute">#![doc( + html_logo_url = <span class="string">"https://www.rust-lang.org/logos/rust-logo-128x128-blk.png"</span>, + html_favicon_url = <span class="string">"https://www.rust-lang.org/favicon.ico"</span>, + html_root_url = <span class="string">"https://docs.rs/getrandom/0.2.8" +</span>)] +#![no_std] +#![warn(rust_2018_idioms, unused_lifetimes, missing_docs)] +#![cfg_attr(docsrs, feature(doc_cfg))] + +#[macro_use] +</span><span class="kw">extern crate </span>cfg_if; + +<span class="kw">mod </span>error; +<span class="kw">mod </span>util; +<span class="comment">// To prevent a breaking change when targets are added, we always export the +// register_custom_getrandom macro, so old Custom RNG crates continue to build. +</span><span class="attribute">#[cfg(feature = <span class="string">"custom"</span>)] +</span><span class="kw">mod </span>custom; +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">mod </span>error_impls; + +<span class="kw">pub use </span><span class="kw">crate</span>::error::Error; + +<span class="comment">// System-specific implementations. +// +// These should all provide getrandom_inner with the same signature as getrandom. +</span><span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"emscripten"</span>, target_os = <span class="string">"haiku"</span>, + target_os = <span class="string">"redox"</span>))] </span>{ + <span class="kw">mod </span>util_libc; + <span class="attribute">#[path = <span class="string">"use_file.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"android"</span>, target_os = <span class="string">"linux"</span>))] </span>{ + <span class="kw">mod </span>util_libc; + <span class="kw">mod </span>use_file; + <span class="attribute">#[path = <span class="string">"linux_android.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"illumos"</span>, target_os = <span class="string">"solaris"</span>))] </span>{ + <span class="kw">mod </span>util_libc; + <span class="kw">mod </span>use_file; + <span class="attribute">#[path = <span class="string">"solaris_illumos.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"freebsd"</span>, target_os = <span class="string">"netbsd"</span>))] </span>{ + <span class="kw">mod </span>util_libc; + <span class="attribute">#[path = <span class="string">"bsd_arandom.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"dragonfly"</span>)] </span>{ + <span class="kw">mod </span>util_libc; + <span class="kw">mod </span>use_file; + <span class="attribute">#[path = <span class="string">"dragonfly.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"fuchsia"</span>)] </span>{ + <span class="attribute">#[path = <span class="string">"fuchsia.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"ios"</span>)] </span>{ + <span class="attribute">#[path = <span class="string">"ios.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"macos"</span>)] </span>{ + <span class="kw">mod </span>util_libc; + <span class="kw">mod </span>use_file; + <span class="attribute">#[path = <span class="string">"macos.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"openbsd"</span>)] </span>{ + <span class="kw">mod </span>util_libc; + <span class="attribute">#[path = <span class="string">"openbsd.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"wasi"</span>)] </span>{ + <span class="attribute">#[path = <span class="string">"wasi.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_os = <span class="string">"hermit"</span>))] </span>{ + <span class="attribute">#[path = <span class="string">"rdrand.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"vxworks"</span>)] </span>{ + <span class="kw">mod </span>util_libc; + <span class="attribute">#[path = <span class="string">"vxworks.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"solid_asp3"</span>)] </span>{ + <span class="attribute">#[path = <span class="string">"solid.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"espidf"</span>)] </span>{ + <span class="attribute">#[path = <span class="string">"espidf.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(windows)] </span>{ + <span class="attribute">#[path = <span class="string">"windows.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_env = <span class="string">"sgx"</span>))] </span>{ + <span class="attribute">#[path = <span class="string">"rdrand.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(feature = <span class="string">"rdrand"</span>, + any(target_arch = <span class="string">"x86_64"</span>, target_arch = <span class="string">"x86"</span>)))] </span>{ + <span class="attribute">#[path = <span class="string">"rdrand.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(feature = <span class="string">"js"</span>, + target_arch = <span class="string">"wasm32"</span>, target_os = <span class="string">"unknown"</span>))] </span>{ + <span class="attribute">#[path = <span class="string">"js.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_os = <span class="string">"horizon"</span>, target_arch = <span class="string">"arm"</span>))] </span>{ + <span class="comment">// We check for target_arch = "arm" because the Nintendo Switch also + // uses Horizon OS (it is aarch64). + </span><span class="kw">mod </span>util_libc; + <span class="attribute">#[path = <span class="string">"3ds.rs"</span>] </span><span class="kw">mod </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(feature = <span class="string">"custom"</span>)] </span>{ + <span class="kw">use </span>custom <span class="kw">as </span>imp; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_arch = <span class="string">"wasm32"</span>, target_os = <span class="string">"unknown"</span>))] </span>{ + <span class="macro">compile_error!</span>(<span class="string">"the wasm32-unknown-unknown target is not supported by \ + default, you may need to enable the \"js\" feature. \ + For more information see: \ + https://docs.rs/getrandom/#webassembly-support"</span>); + } <span class="kw">else </span>{ + <span class="macro">compile_error!</span>(<span class="string">"target is not supported, for more information see: \ + https://docs.rs/getrandom/#unsupported-targets"</span>); + } +} + +<span class="doccomment">/// Fill `dest` with random bytes from the system's preferred random number +/// source. +/// +/// This function returns an error on any failure, including partial reads. We +/// make no guarantees regarding the contents of `dest` on error. If `dest` is +/// empty, `getrandom` immediately returns success, making no calls to the +/// underlying operating system. +/// +/// Blocking is possible, at least during early boot; see module documentation. +/// +/// In general, `getrandom` will be fast enough for interactive usage, though +/// significantly slower than a user-space CSPRNG; for the latter consider +/// [`rand::thread_rng`](https://docs.rs/rand/*/rand/fn.thread_rng.html). +</span><span class="kw">pub fn </span>getrandom(dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">if </span>dest.is_empty() { + <span class="kw">return </span><span class="prelude-val">Ok</span>(()); + } + imp::getrandom_inner(dest) +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/linux_android.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/linux_android.rs.html new file mode 100644 index 0000000..19232f1 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/linux_android.rs.html @@ -0,0 +1,97 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/linux_android.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>linux_android.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../getrandom/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Implementation for Linux / Android +</span><span class="kw">use crate</span>::{ + util::LazyBool, + util_libc::{last_os_error, sys_fill_exact}, + {use_file, Error}, +}; + +<span class="kw">pub fn </span>getrandom_inner(dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="comment">// getrandom(2) was introduced in Linux 3.17 + </span><span class="kw">static </span>HAS_GETRANDOM: LazyBool = LazyBool::new(); + <span class="kw">if </span>HAS_GETRANDOM.unsync_init(is_getrandom_available) { + sys_fill_exact(dest, |buf| <span class="kw">unsafe </span>{ + getrandom(buf.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span>libc::c_void, buf.len(), <span class="number">0</span>) + }) + } <span class="kw">else </span>{ + use_file::getrandom_inner(dest) + } +} + +<span class="kw">fn </span>is_getrandom_available() -> bool { + <span class="kw">let </span>res = <span class="kw">unsafe </span>{ getrandom(core::ptr::null_mut(), <span class="number">0</span>, libc::GRND_NONBLOCK) }; + <span class="kw">if </span>res < <span class="number">0 </span>{ + <span class="kw">match </span>last_os_error().raw_os_error() { + <span class="prelude-val">Some</span>(libc::ENOSYS) => <span class="bool-val">false</span>, <span class="comment">// No kernel support + </span><span class="prelude-val">Some</span>(libc::EPERM) => <span class="bool-val">false</span>, <span class="comment">// Blocked by seccomp + </span><span class="kw">_ </span>=> <span class="bool-val">true</span>, + } + } <span class="kw">else </span>{ + <span class="bool-val">true + </span>} +} + +<span class="kw">unsafe fn </span>getrandom( + buf: <span class="kw-2">*mut </span>libc::c_void, + buflen: libc::size_t, + flags: libc::c_uint, +) -> libc::ssize_t { + libc::syscall(libc::SYS_getrandom, buf, buflen, flags) <span class="kw">as </span>libc::ssize_t +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/use_file.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/use_file.rs.html new file mode 100644 index 0000000..27a1fa7 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/use_file.rs.html @@ -0,0 +1,281 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/use_file.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>use_file.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Implementations that just need to read from a file +</span><span class="kw">use crate</span>::{ + util::LazyUsize, + util_libc::{open_readonly, sys_fill_exact}, + Error, +}; +<span class="kw">use </span>core::{ + cell::UnsafeCell, + sync::atomic::{AtomicUsize, Ordering::Relaxed}, +}; + +<span class="attribute">#[cfg(any( + target_os = <span class="string">"dragonfly"</span>, + target_os = <span class="string">"emscripten"</span>, + target_os = <span class="string">"haiku"</span>, + target_os = <span class="string">"macos"</span>, + target_os = <span class="string">"solaris"</span>, + target_os = <span class="string">"illumos" +</span>))] +</span><span class="kw">const </span>FILE_PATH: <span class="kw-2">&</span>str = <span class="string">"/dev/random\0"</span>; +<span class="attribute">#[cfg(any(target_os = <span class="string">"android"</span>, target_os = <span class="string">"linux"</span>, target_os = <span class="string">"redox"</span>))] +</span><span class="kw">const </span>FILE_PATH: <span class="kw-2">&</span>str = <span class="string">"/dev/urandom\0"</span>; + +<span class="kw">pub fn </span>getrandom_inner(dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">let </span>fd = get_rng_fd()<span class="question-mark">?</span>; + <span class="kw">let </span>read = |buf: <span class="kw-2">&mut </span>[u8]| <span class="kw">unsafe </span>{ libc::read(fd, buf.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>, buf.len()) }; + + <span class="kw">if </span><span class="macro">cfg!</span>(target_os = <span class="string">"emscripten"</span>) { + <span class="comment">// `Crypto.getRandomValues` documents `dest` should be at most 65536 bytes. + </span><span class="kw">for </span>chunk <span class="kw">in </span>dest.chunks_mut(<span class="number">65536</span>) { + sys_fill_exact(chunk, read)<span class="question-mark">?</span>; + } + } <span class="kw">else </span>{ + sys_fill_exact(dest, read)<span class="question-mark">?</span>; + } + <span class="prelude-val">Ok</span>(()) +} + +<span class="comment">// Returns the file descriptor for the device file used to retrieve random +// bytes. The file will be opened exactly once. All subsequent calls will +// return the same file descriptor. This file descriptor is never closed. +</span><span class="kw">fn </span>get_rng_fd() -> <span class="prelude-ty">Result</span><libc::c_int, Error> { + <span class="kw">static </span>FD: AtomicUsize = AtomicUsize::new(LazyUsize::UNINIT); + <span class="kw">fn </span>get_fd() -> <span class="prelude-ty">Option</span><libc::c_int> { + <span class="kw">match </span>FD.load(Relaxed) { + LazyUsize::UNINIT => <span class="prelude-val">None</span>, + val => <span class="prelude-val">Some</span>(val <span class="kw">as </span>libc::c_int), + } + } + + <span class="comment">// Use double-checked locking to avoid acquiring the lock if possible. + </span><span class="kw">if let </span><span class="prelude-val">Some</span>(fd) = get_fd() { + <span class="kw">return </span><span class="prelude-val">Ok</span>(fd); + } + + <span class="comment">// SAFETY: We use the mutex only in this method, and we always unlock it + // before returning, making sure we don't violate the pthread_mutex_t API. + </span><span class="kw">static </span>MUTEX: Mutex = Mutex::new(); + <span class="kw">unsafe </span>{ MUTEX.lock() }; + <span class="kw">let </span>_guard = DropGuard(|| <span class="kw">unsafe </span>{ MUTEX.unlock() }); + + <span class="kw">if let </span><span class="prelude-val">Some</span>(fd) = get_fd() { + <span class="kw">return </span><span class="prelude-val">Ok</span>(fd); + } + + <span class="comment">// On Linux, /dev/urandom might return insecure values. + </span><span class="attribute">#[cfg(any(target_os = <span class="string">"android"</span>, target_os = <span class="string">"linux"</span>))] + </span>wait_until_rng_ready()<span class="question-mark">?</span>; + + <span class="kw">let </span>fd = <span class="kw">unsafe </span>{ open_readonly(FILE_PATH)<span class="question-mark">? </span>}; + <span class="comment">// The fd always fits in a usize without conflicting with UNINIT. + </span><span class="macro">debug_assert!</span>(fd >= <span class="number">0 </span>&& (fd <span class="kw">as </span>usize) < LazyUsize::UNINIT); + FD.store(fd <span class="kw">as </span>usize, Relaxed); + + <span class="prelude-val">Ok</span>(fd) +} + +<span class="comment">// Succeeds once /dev/urandom is safe to read from +</span><span class="attribute">#[cfg(any(target_os = <span class="string">"android"</span>, target_os = <span class="string">"linux"</span>))] +</span><span class="kw">fn </span>wait_until_rng_ready() -> <span class="prelude-ty">Result</span><(), Error> { + <span class="comment">// Poll /dev/random to make sure it is ok to read from /dev/urandom. + </span><span class="kw">let </span>fd = <span class="kw">unsafe </span>{ open_readonly(<span class="string">"/dev/random\0"</span>)<span class="question-mark">? </span>}; + <span class="kw">let </span><span class="kw-2">mut </span>pfd = libc::pollfd { + fd, + events: libc::POLLIN, + revents: <span class="number">0</span>, + }; + <span class="kw">let </span>_guard = DropGuard(|| <span class="kw">unsafe </span>{ + libc::close(fd); + }); + + <span class="kw">loop </span>{ + <span class="comment">// A negative timeout means an infinite timeout. + </span><span class="kw">let </span>res = <span class="kw">unsafe </span>{ libc::poll(<span class="kw-2">&mut </span>pfd, <span class="number">1</span>, -<span class="number">1</span>) }; + <span class="kw">if </span>res >= <span class="number">0 </span>{ + <span class="macro">debug_assert_eq!</span>(res, <span class="number">1</span>); <span class="comment">// We only used one fd, and cannot timeout. + </span><span class="kw">return </span><span class="prelude-val">Ok</span>(()); + } + <span class="kw">let </span>err = <span class="kw">crate</span>::util_libc::last_os_error(); + <span class="kw">match </span>err.raw_os_error() { + <span class="prelude-val">Some</span>(libc::EINTR) | <span class="prelude-val">Some</span>(libc::EAGAIN) => <span class="kw">continue</span>, + <span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(err), + } + } +} + +<span class="kw">struct </span>Mutex(UnsafeCell<libc::pthread_mutex_t>); + +<span class="kw">impl </span>Mutex { + <span class="kw">const fn </span>new() -> <span class="self">Self </span>{ + <span class="self">Self</span>(UnsafeCell::new(libc::PTHREAD_MUTEX_INITIALIZER)) + } + <span class="kw">unsafe fn </span>lock(<span class="kw-2">&</span><span class="self">self</span>) { + <span class="kw">let </span>r = libc::pthread_mutex_lock(<span class="self">self</span>.<span class="number">0</span>.get()); + <span class="macro">debug_assert_eq!</span>(r, <span class="number">0</span>); + } + <span class="kw">unsafe fn </span>unlock(<span class="kw-2">&</span><span class="self">self</span>) { + <span class="kw">let </span>r = libc::pthread_mutex_unlock(<span class="self">self</span>.<span class="number">0</span>.get()); + <span class="macro">debug_assert_eq!</span>(r, <span class="number">0</span>); + } +} + +<span class="kw">unsafe impl </span>Sync <span class="kw">for </span>Mutex {} + +<span class="kw">struct </span>DropGuard<F: FnMut()>(F); + +<span class="kw">impl</span><F: FnMut()> Drop <span class="kw">for </span>DropGuard<F> { + <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { + <span class="self">self</span>.<span class="number">0</span>() + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util.rs.html new file mode 100644 index 0000000..73b842f --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util.rs.html @@ -0,0 +1,131 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/util.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>util.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../getrandom/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2019 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. +</span><span class="attribute">#![allow(dead_code)] +</span><span class="kw">use </span>core::sync::atomic::{AtomicUsize, Ordering::Relaxed}; + +<span class="comment">// This structure represents a lazily initialized static usize value. Useful +// when it is preferable to just rerun initialization instead of locking. +// Both unsync_init and sync_init will invoke an init() function until it +// succeeds, then return the cached value for future calls. +// +// Both methods support init() "failing". If the init() method returns UNINIT, +// that value will be returned as normal, but will not be cached. +// +// Users should only depend on the _value_ returned by init() functions. +// Specifically, for the following init() function: +// fn init() -> usize { +// a(); +// let v = b(); +// c(); +// v +// } +// the effects of c() or writes to shared memory will not necessarily be +// observed and additional synchronization methods with be needed. +</span><span class="kw">pub struct </span>LazyUsize(AtomicUsize); + +<span class="kw">impl </span>LazyUsize { + <span class="kw">pub const fn </span>new() -> <span class="self">Self </span>{ + <span class="self">Self</span>(AtomicUsize::new(<span class="self">Self</span>::UNINIT)) + } + + <span class="comment">// The initialization is not completed. + </span><span class="kw">pub const </span>UNINIT: usize = usize::max_value(); + + <span class="comment">// Runs the init() function at least once, returning the value of some run + // of init(). Multiple callers can run their init() functions in parallel. + // init() should always return the same value, if it succeeds. + </span><span class="kw">pub fn </span>unsync_init(<span class="kw-2">&</span><span class="self">self</span>, init: <span class="kw">impl </span>FnOnce() -> usize) -> usize { + <span class="comment">// Relaxed ordering is fine, as we only have a single atomic variable. + </span><span class="kw">let </span><span class="kw-2">mut </span>val = <span class="self">self</span>.<span class="number">0</span>.load(Relaxed); + <span class="kw">if </span>val == <span class="self">Self</span>::UNINIT { + val = init(); + <span class="self">self</span>.<span class="number">0</span>.store(val, Relaxed); + } + val + } +} + +<span class="comment">// Identical to LazyUsize except with bool instead of usize. +</span><span class="kw">pub struct </span>LazyBool(LazyUsize); + +<span class="kw">impl </span>LazyBool { + <span class="kw">pub const fn </span>new() -> <span class="self">Self </span>{ + <span class="self">Self</span>(LazyUsize::new()) + } + + <span class="kw">pub fn </span>unsync_init(<span class="kw-2">&</span><span class="self">self</span>, init: <span class="kw">impl </span>FnOnce() -> bool) -> bool { + <span class="self">self</span>.<span class="number">0</span>.unsync_init(|| init() <span class="kw">as </span>usize) != <span class="number">0 + </span>} +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util_libc.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util_libc.rs.html new file mode 100644 index 0000000..95b9e91 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util_libc.rs.html @@ -0,0 +1,323 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/util_libc.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>util_libc.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2019 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. +</span><span class="attribute">#![allow(dead_code)] +</span><span class="kw">use </span><span class="kw">crate</span>::Error; +<span class="kw">use </span>core::{ + num::NonZeroU32, + ptr::NonNull, + sync::atomic::{fence, AtomicPtr, Ordering}, +}; +<span class="kw">use </span>libc::c_void; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"netbsd"</span>, target_os = <span class="string">"openbsd"</span>, target_os = <span class="string">"android"</span>))] </span>{ + <span class="kw">use </span>libc::__errno <span class="kw">as </span>errno_location; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, target_os = <span class="string">"emscripten"</span>, target_os = <span class="string">"redox"</span>))] </span>{ + <span class="kw">use </span>libc::__errno_location <span class="kw">as </span>errno_location; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"solaris"</span>, target_os = <span class="string">"illumos"</span>))] </span>{ + <span class="kw">use </span>libc::___errno <span class="kw">as </span>errno_location; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"macos"</span>, target_os = <span class="string">"freebsd"</span>))] </span>{ + <span class="kw">use </span>libc::__error <span class="kw">as </span>errno_location; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"haiku"</span>)] </span>{ + <span class="kw">use </span>libc::_errnop <span class="kw">as </span>errno_location; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_os = <span class="string">"horizon"</span>, target_arch = <span class="string">"arm"</span>))] </span>{ + <span class="kw">extern </span><span class="string">"C" </span>{ + <span class="comment">// Not provided by libc: https://github.com/rust-lang/libc/issues/1995 + </span><span class="kw">fn </span>__errno() -> <span class="kw-2">*mut </span>libc::c_int; + } + <span class="kw">use </span>__errno <span class="kw">as </span>errno_location; + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_os = <span class="string">"vxworks"</span>)] </span>{ + <span class="kw">use </span>libc::errnoGet <span class="kw">as </span>get_errno; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"dragonfly"</span>)] </span>{ + <span class="comment">// Until rust-lang/rust#29594 is stable, we cannot get the errno value + // on DragonFlyBSD. So we just return an out-of-range errno. + </span><span class="kw">unsafe fn </span>get_errno() -> libc::c_int { -<span class="number">1 </span>} + } <span class="kw">else </span>{ + <span class="kw">unsafe fn </span>get_errno() -> libc::c_int { <span class="kw-2">*</span>errno_location() } + } +} + +<span class="kw">pub fn </span>last_os_error() -> Error { + <span class="kw">let </span>errno = <span class="kw">unsafe </span>{ get_errno() }; + <span class="kw">if </span>errno > <span class="number">0 </span>{ + Error::from(NonZeroU32::new(errno <span class="kw">as </span>u32).unwrap()) + } <span class="kw">else </span>{ + Error::ERRNO_NOT_POSITIVE + } +} + +<span class="comment">// Fill a buffer by repeatedly invoking a system call. The `sys_fill` function: +// - should return -1 and set errno on failure +// - should return the number of bytes written on success +</span><span class="kw">pub fn </span>sys_fill_exact( + <span class="kw-2">mut </span>buf: <span class="kw-2">&mut </span>[u8], + sys_fill: <span class="kw">impl </span>Fn(<span class="kw-2">&mut </span>[u8]) -> libc::ssize_t, +) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">while </span>!buf.is_empty() { + <span class="kw">let </span>res = sys_fill(buf); + <span class="kw">if </span>res < <span class="number">0 </span>{ + <span class="kw">let </span>err = last_os_error(); + <span class="comment">// We should try again if the call was interrupted. + </span><span class="kw">if </span>err.raw_os_error() != <span class="prelude-val">Some</span>(libc::EINTR) { + <span class="kw">return </span><span class="prelude-val">Err</span>(err); + } + } <span class="kw">else </span>{ + <span class="comment">// We don't check for EOF (ret = 0) as the data we are reading + // should be an infinite stream of random bytes. + </span>buf = <span class="kw-2">&mut </span>buf[(res <span class="kw">as </span>usize)..]; + } + } + <span class="prelude-val">Ok</span>(()) +} + +<span class="comment">// A "weak" binding to a C function that may or may not be present at runtime. +// Used for supporting newer OS features while still building on older systems. +// Based off of the DlsymWeak struct in libstd: +// https://github.com/rust-lang/rust/blob/1.61.0/library/std/src/sys/unix/weak.rs#L84 +// except that the caller must manually cast self.ptr() to a function pointer. +</span><span class="kw">pub struct </span>Weak { + name: <span class="kw-2">&</span><span class="lifetime">'static </span>str, + addr: AtomicPtr<c_void>, +} + +<span class="kw">impl </span>Weak { + <span class="comment">// A non-null pointer value which indicates we are uninitialized. This + // constant should ideally not be a valid address of a function pointer. + // However, if by chance libc::dlsym does return UNINIT, there will not + // be undefined behavior. libc::dlsym will just be called each time ptr() + // is called. This would be inefficient, but correct. + // TODO: Replace with core::ptr::invalid_mut(1) when that is stable. + </span><span class="kw">const </span>UNINIT: <span class="kw-2">*mut </span>c_void = <span class="number">1 </span><span class="kw">as </span><span class="kw-2">*mut </span>c_void; + + <span class="comment">// Construct a binding to a C function with a given name. This function is + // unsafe because `name` _must_ be null terminated. + </span><span class="kw">pub const unsafe fn </span>new(name: <span class="kw-2">&</span><span class="lifetime">'static </span>str) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ + name, + addr: AtomicPtr::new(<span class="self">Self</span>::UNINIT), + } + } + + <span class="comment">// Return the address of a function if present at runtime. Otherwise, + // return None. Multiple callers can call ptr() concurrently. It will + // always return _some_ value returned by libc::dlsym. However, the + // dlsym function may be called multiple times. + </span><span class="kw">pub fn </span>ptr(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><NonNull<c_void>> { + <span class="comment">// Despite having only a single atomic variable (self.addr), we still + // cannot always use Ordering::Relaxed, as we need to make sure a + // successful call to dlsym() is "ordered before" any data read through + // the returned pointer (which occurs when the function is called). + // Our implementation mirrors that of the one in libstd, meaning that + // the use of non-Relaxed operations is probably unnecessary. + </span><span class="kw">match </span><span class="self">self</span>.addr.load(Ordering::Relaxed) { + <span class="self">Self</span>::UNINIT => { + <span class="kw">let </span>symbol = <span class="self">self</span>.name.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_</span>; + <span class="kw">let </span>addr = <span class="kw">unsafe </span>{ libc::dlsym(libc::RTLD_DEFAULT, symbol) }; + <span class="comment">// Synchronizes with the Acquire fence below + </span><span class="self">self</span>.addr.store(addr, Ordering::Release); + NonNull::new(addr) + } + addr => { + <span class="kw">let </span>func = NonNull::new(addr)<span class="question-mark">?</span>; + fence(Ordering::Acquire); + <span class="prelude-val">Some</span>(func) + } + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, target_os = <span class="string">"emscripten"</span>))] </span>{ + <span class="kw">use </span>libc::open64 <span class="kw">as </span>open; + } <span class="kw">else </span>{ + <span class="kw">use </span>libc::open; + } +} + +<span class="comment">// SAFETY: path must be null terminated, FD must be manually closed. +</span><span class="kw">pub unsafe fn </span>open_readonly(path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><libc::c_int, Error> { + <span class="macro">debug_assert_eq!</span>(path.as_bytes().last(), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="number">0</span>)); + <span class="kw">loop </span>{ + <span class="kw">let </span>fd = open(path.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_</span>, libc::O_RDONLY | libc::O_CLOEXEC); + <span class="kw">if </span>fd >= <span class="number">0 </span>{ + <span class="kw">return </span><span class="prelude-val">Ok</span>(fd); + } + <span class="kw">let </span>err = last_os_error(); + <span class="comment">// We should try again if open() was interrupted. + </span><span class="kw">if </span>err.raw_os_error() != <span class="prelude-val">Some</span>(libc::EINTR) { + <span class="kw">return </span><span class="prelude-val">Err</span>(err); + } + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/guessing_game/main.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/guessing_game/main.rs.html new file mode 100644 index 0000000..78f078f --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/guessing_game/main.rs.html @@ -0,0 +1,76 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/main.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>main.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../guessing_game/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +</pre><pre class="rust"><code><span class="kw">use </span>std::io; +<span class="kw">use </span>rand::Rng; +<span class="kw">use </span>std::cmp::Ordering; + +<span class="kw">fn </span>main() { + <span class="macro">println!</span>(<span class="string">"Guess the number!"</span>); + + <span class="kw">let </span>secret_number = rand::thread_rng().gen_range(<span class="number">1</span>..=<span class="number">100</span>); + + <span class="macro">println!</span>(<span class="string">"The secret number is: {secret_number}"</span>); + + <span class="kw">loop </span>{ + <span class="macro">println!</span>(<span class="string">"Please input your number."</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>guess = String::new(); + + io::stdin() + .read_line(<span class="kw-2">&mut </span>guess) + .expect(<span class="string">"Failed to read line."</span>); + + <span class="kw">let </span>guess: u32 = <span class="kw">match </span>guess.trim().parse() { + <span class="prelude-val">Ok</span>(num) => num, + <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">continue</span>, + }; + + <span class="macro">println!</span>(<span class="string">"You guessed: {guess}"</span>); + + <span class="kw">match </span>guess.cmp(<span class="kw-2">&</span>secret_number) { + Ordering::Less => <span class="macro">println!</span>(<span class="string">"Too small!"</span>), + Ordering::Greater => <span class="macro">println!</span>(<span class="string">"Too big!"</span>), + Ordering::Equal => { + <span class="macro">println!</span>(<span class="string">"You win!"</span>); + <span class="kw">break</span>; + }, + } + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="guessing_game" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/fixed_width_ints.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/fixed_width_ints.rs.html new file mode 100644 index 0000000..4cf37e4 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/fixed_width_ints.rs.html @@ -0,0 +1,200 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/fixed_width_ints.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>fixed_width_ints.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" 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src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../libc/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +</pre><pre class="rust"><code><span class="doccomment">//! This module contains type aliases for C's fixed-width integer types . +//! +//! These aliases are deprecated: use the Rust types instead. + +</span><span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use i8 instead."</span>)] +</span><span class="kw">pub type </span>int8_t = i8; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use i16 instead."</span>)] +</span><span class="kw">pub type </span>int16_t = i16; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use i32 instead."</span>)] +</span><span class="kw">pub type </span>int32_t = i32; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use i64 instead."</span>)] +</span><span class="kw">pub type </span>int64_t = i64; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use u8 instead."</span>)] +</span><span class="kw">pub type </span>uint8_t = u8; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use u16 instead."</span>)] +</span><span class="kw">pub type </span>uint16_t = u16; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use u32 instead."</span>)] +</span><span class="kw">pub type </span>uint32_t = u32; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use u64 instead."</span>)] +</span><span class="kw">pub type </span>uint64_t = u64; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(all(libc_int128, target_arch = <span class="string">"aarch64"</span>, not(target_os = <span class="string">"windows"</span>)))] </span>{ + <span class="comment">// This introduces partial support for FFI with __int128 and + // equivalent types on platforms where Rust's definition is validated + // to match the standard C ABI of that platform. + // + // Rust does not guarantee u128/i128 are sound for FFI, and its + // definitions are in fact known to be incompatible. [0] + // + // However these problems aren't fundamental, and are just platform + // inconsistencies. Specifically at the time of this writing: + // + // * For x64 SysV ABIs (everything but Windows), the types are underaligned. + // * For all Windows ABIs, Microsoft doesn't actually officially define __int128, + // and as a result different implementations don't actually agree on its ABI. + // + // But on the other major aarch64 platforms (android, linux, ios, macos) we have + // validated that rustc has the right ABI for these types. This is important because + // aarch64 uses these types in some fundamental OS types like user_fpsimd_struct, + // which represents saved simd registers. + // + // Any API which uses these types will need to `#[ignore(improper_ctypes)]` + // until the upstream rust issue is resolved, but this at least lets us make + // progress on platforms where this type is important. + // + // The list of supported architectures and OSes is intentionally very restricted, + // as careful work needs to be done to verify that a particular platform + // has a conformant ABI. + // + // [0]: https://github.com/rust-lang/rust/issues/54341 + + </span><span class="doccomment">/// C `__int128` (a GCC extension that's part of many ABIs) + </span><span class="kw">pub type </span>__int128 = i128; + <span class="doccomment">/// C `unsigned __int128` (a GCC extension that's part of many ABIs) + </span><span class="kw">pub type </span>__uint128 = u128; + <span class="doccomment">/// C __int128_t (alternate name for [__int128][]) + </span><span class="kw">pub type </span>__int128_t = i128; + <span class="doccomment">/// C __uint128_t (alternate name for [__uint128][]) + </span><span class="kw">pub type </span>__uint128_t = u128; + + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_underscore_const_names)] </span>{ + <span class="macro">macro_rules! </span>static_assert_eq { + (<span class="macro-nonterminal">$a</span>:expr, <span class="macro-nonterminal">$b</span>:expr) => { + <span class="kw">const _</span>: [(); <span class="macro-nonterminal">$a</span>] = [(); <span class="macro-nonterminal">$b</span>]; + }; + } + + <span class="comment">// NOTE: if you add more platforms to here, you may need to cfg + // these consts. They should always match the platform's values + // for `sizeof(__int128)` and `_Alignof(__int128)`. + </span><span class="kw">const </span>_SIZE_128: usize = <span class="number">16</span>; + <span class="kw">const </span>_ALIGN_128: usize = <span class="number">16</span>; + + <span class="comment">// Since Rust doesn't officially guarantee that these types + // have compatible ABIs, we const assert that these values have the + // known size/align of the target platform's libc. If rustc ever + // tries to regress things, it will cause a compilation error. + // + // This isn't a bullet-proof solution because e.g. it doesn't + // catch the fact that llvm and gcc disagree on how x64 __int128 + // is actually *passed* on the stack (clang underaligns it for + // the same reason that rustc *never* properly aligns it). + </span><span class="macro">static_assert_eq!</span>(core::mem::size_of::<__int128>(), _SIZE_128); + <span class="macro">static_assert_eq!</span>(core::mem::align_of::<__int128>(), _ALIGN_128); + + <span class="macro">static_assert_eq!</span>(core::mem::size_of::<__uint128>(), _SIZE_128); + <span class="macro">static_assert_eq!</span>(core::mem::align_of::<__uint128>(), _ALIGN_128); + + <span class="macro">static_assert_eq!</span>(core::mem::size_of::<__int128_t>(), _SIZE_128); + <span class="macro">static_assert_eq!</span>(core::mem::align_of::<__int128_t>(), _ALIGN_128); + + <span class="macro">static_assert_eq!</span>(core::mem::size_of::<__uint128_t>(), _SIZE_128); + <span class="macro">static_assert_eq!</span>(core::mem::align_of::<__uint128_t>(), _ALIGN_128); + } + } + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/lib.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/lib.rs.html new file mode 100644 index 0000000..b46015a --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/lib.rs.html @@ -0,0 +1,316 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link 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rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../libc/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +</pre><pre class="rust"><code><span class="doccomment">//! libc - Raw FFI bindings to platforms' system libraries +//! +//! [Documentation for other platforms][pd]. +//! +//! [pd]: https://rust-lang.github.io/libc/#platform-specific-documentation +</span><span class="attribute">#![crate_name = <span class="string">"libc"</span>] +#![crate_type = <span class="string">"rlib"</span>] +#![allow( + renamed_and_removed_lints, <span class="comment">// Keep this order. + </span>unknown_lints, <span class="comment">// Keep this order. + </span>bad_style, + overflowing_literals, + improper_ctypes, + <span class="comment">// This lint is renamed but we run CI for old stable rustc so should be here. + </span>redundant_semicolon, + redundant_semicolons, + unused_macros, + unused_macro_rules, +)] +#![cfg_attr(libc_deny_warnings, deny(warnings))] +</span><span class="comment">// Attributes needed when building as part of the standard library +</span><span class="attribute">#![cfg_attr(feature = <span class="string">"rustc-dep-of-std"</span>, feature(link_cfg, no_core))] +#![cfg_attr(libc_thread_local, feature(thread_local))] +</span><span class="comment">// Enable extra lints: +</span><span class="attribute">#![cfg_attr(feature = <span class="string">"extra_traits"</span>, deny(missing_debug_implementations))] +#![deny(missing_copy_implementations, safe_packed_borrows)] +#![cfg_attr(not(feature = <span class="string">"rustc-dep-of-std"</span>), no_std)] +#![cfg_attr(feature = <span class="string">"rustc-dep-of-std"</span>, no_core)] +#![cfg_attr(libc_const_extern_fn_unstable, feature(const_extern_fn))] + +#[macro_use] +</span><span class="kw">mod </span>macros; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"rustc-dep-of-std"</span>)] </span>{ + <span class="kw">extern crate </span>rustc_std_workspace_core <span class="kw">as </span>core; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::iter; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::ops; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::option; + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_priv_mod_use)] </span>{ + <span class="attribute">#[cfg(libc_core_cvoid)] + #[allow(unused_imports)] + </span><span class="kw">use </span>core::ffi; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::fmt; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::hash; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::num; + <span class="attribute">#[allow(unused_imports)] + </span><span class="kw">use </span>core::mem; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">use </span>core::clone::Clone; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">use </span>core::marker::{Copy, Send, Sync}; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">use </span>core::option::Option; + } <span class="kw">else </span>{ + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::fmt; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::hash; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::num; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::mem; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::clone::Clone; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::marker::{Copy, Send, Sync}; + <span class="attribute">#[doc(hidden)] + #[allow(unused_imports)] + </span><span class="kw">pub use </span>core::option::Option; + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(windows)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>windows; + <span class="kw">pub use </span>windows::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"fuchsia"</span>)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>fuchsia; + <span class="kw">pub use </span>fuchsia::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"switch"</span>)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>switch; + <span class="kw">pub use </span>switch::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"psp"</span>)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>psp; + <span class="kw">pub use </span>psp::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"vxworks"</span>)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>vxworks; + <span class="kw">pub use </span>vxworks::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"solid_asp3"</span>)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>solid; + <span class="kw">pub use </span>solid::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(unix)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>unix; + <span class="kw">pub use </span>unix::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"hermit"</span>)] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>hermit; + <span class="kw">pub use </span>hermit::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_env = <span class="string">"sgx"</span>, target_vendor = <span class="string">"fortanix"</span>))] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>sgx; + <span class="kw">pub use </span>sgx::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_env = <span class="string">"wasi"</span>, target_os = <span class="string">"wasi"</span>))] </span>{ + <span class="kw">mod </span>fixed_width_ints; + <span class="kw">pub use </span>fixed_width_ints::<span class="kw-2">*</span>; + + <span class="kw">mod </span>wasi; + <span class="kw">pub use </span>wasi::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="comment">// non-supported targets: empty... + </span>} +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/macros.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/macros.rs.html new file mode 100644 index 0000000..6abaca9 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/macros.rs.html @@ -0,0 +1,688 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/macros.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>macros.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> 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+<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +<span id="323">323</span> +<span id="324">324</span> +<span id="325">325</span> +<span id="326">326</span> +<span id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +</pre><pre class="rust"><code><span class="doccomment">/// A macro for defining #[cfg] if-else statements. +/// +/// This is similar to the `if/elif` C preprocessor macro by allowing definition +/// of a cascade of `#[cfg]` cases, emitting the implementation which matches +/// first. +/// +/// This allows you to conveniently provide a long list #[cfg]'d blocks of code +/// without having to rewrite each clause multiple times. +</span><span class="macro">macro_rules! </span>cfg_if { + <span class="comment">// match if/else chains with a final `else` + </span>($( + <span class="kw">if </span><span class="attribute">#[cfg($(<span class="macro-nonterminal">$meta</span>:meta),<span class="kw-2">*</span>)] </span>{ $(<span class="macro-nonterminal">$it</span>:item)* } + ) <span class="kw">else </span>* <span class="kw">else </span>{ + $(<span class="macro-nonterminal">$it2</span>:item)* + }) => { + <span class="macro">cfg_if! </span>{ + @__items + () ; + $( ( ($(<span class="macro-nonterminal">$meta</span>),<span class="kw-2">*</span>) ($(<span class="macro-nonterminal">$it</span>)<span class="kw-2">*</span>) ), )* + ( () ($(<span class="macro-nonterminal">$it2</span>)<span class="kw-2">*</span>) ), + } + }; + + <span class="comment">// match if/else chains lacking a final `else` + </span>( + <span class="kw">if </span><span class="attribute">#[cfg($(<span class="macro-nonterminal">$i_met</span>:meta),<span class="kw-2">*</span>)] </span>{ $(<span class="macro-nonterminal">$i_it</span>:item)* } + $( + <span class="kw">else if </span><span class="attribute">#[cfg($(<span class="macro-nonterminal">$e_met</span>:meta),<span class="kw-2">*</span>)] </span>{ $(<span class="macro-nonterminal">$e_it</span>:item)* } + )* + ) => { + <span class="macro">cfg_if! </span>{ + @__items + () ; + ( ($(<span class="macro-nonterminal">$i_met</span>),<span class="kw-2">*</span>) ($(<span class="macro-nonterminal">$i_it</span>)<span class="kw-2">*</span>) ), + $( ( ($(<span class="macro-nonterminal">$e_met</span>),<span class="kw-2">*</span>) ($(<span class="macro-nonterminal">$e_it</span>)<span class="kw-2">*</span>) ), )* + ( () () ), + } + }; + + <span class="comment">// Internal and recursive macro to emit all the items + // + // Collects all the negated `cfg`s in a list at the beginning and after the + // semicolon is all the remaining items + </span>(@__items ($(<span class="macro-nonterminal">$not</span>:meta,)<span class="kw-2">*</span>) ; ) => {}; + (@__items ($(<span class="macro-nonterminal">$not</span>:meta,)<span class="kw-2">*</span>) ; ( ($(<span class="macro-nonterminal">$m</span>:meta),<span class="kw-2">*</span>) ($(<span class="macro-nonterminal">$it</span>:item)<span class="kw-2">*</span>) ), + $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { + <span class="comment">// Emit all items within one block, applying an appropriate #[cfg]. The + // #[cfg] will require all `$m` matchers specified and must also negate + // all previous matchers. + </span><span class="macro">cfg_if! </span>{ @__apply cfg(all($(<span class="macro-nonterminal">$m</span>,)* not(any($(<span class="macro-nonterminal">$not</span>),<span class="kw-2">*</span>)))), $(<span class="macro-nonterminal">$it</span>)* } + + <span class="comment">// Recurse to emit all other items in `$rest`, and when we do so add all + // our `$m` matchers to the list of `$not` matchers as future emissions + // will have to negate everything we just matched as well. + </span><span class="macro">cfg_if! </span>{ @__items ($(<span class="macro-nonterminal">$not</span>,)* $(<span class="macro-nonterminal">$m</span>,)<span class="kw-2">*</span>) ; $(<span class="macro-nonterminal">$rest</span>)* } + }; + + <span class="comment">// Internal macro to Apply a cfg attribute to a list of items + </span>(@__apply <span class="macro-nonterminal">$m</span>:meta, $(<span class="macro-nonterminal">$it</span>:item)<span class="kw-2">*</span>) => { + $(<span class="attribute">#[<span class="macro-nonterminal">$m</span>] </span><span class="macro-nonterminal">$it</span>)* + }; +} + +<span class="macro">macro_rules! </span>s { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span><span class="macro-nonterminal">$t</span>:ident <span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* })<span class="kw-2">*</span>) => ($( + <span class="macro">s!</span>(it: $(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* <span class="kw">pub </span><span class="macro-nonterminal">$t $i </span>{ $(<span class="macro-nonterminal">$field</span>)* }); + )<span class="kw-2">*</span>); + (it: $(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span>union <span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* }) => ( + <span class="macro">compile_error!</span>(<span class="string">"unions cannot derive extra traits, use s_no_extra_traits instead"</span>); + ); + (it: $(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub struct </span><span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* }) => ( + <span class="macro">__item! </span>{ + <span class="attribute">#[repr(C)] + #[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug, Eq, Hash, PartialEq))] + #[allow(deprecated)] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub struct </span><span class="macro-nonterminal">$i </span>{ $(<span class="macro-nonterminal">$field</span>)* } + } + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>::Copy <span class="kw">for </span><span class="macro-nonterminal">$i </span>{} + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>::Clone <span class="kw">for </span><span class="macro-nonterminal">$i </span>{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="macro-nonterminal">$i </span>{ <span class="kw-2">*</span><span class="self">self </span>} + } + ); +} + +<span class="macro">macro_rules! </span>s_no_extra_traits { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span><span class="macro-nonterminal">$t</span>:ident <span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* })<span class="kw-2">*</span>) => ($( + <span class="macro">s_no_extra_traits!</span>(it: $(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* <span class="kw">pub </span><span class="macro-nonterminal">$t $i </span>{ $(<span class="macro-nonterminal">$field</span>)* }); + )<span class="kw-2">*</span>); + (it: $(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span>union <span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* }) => ( + <span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_union)] </span>{ + <span class="macro">__item! </span>{ + <span class="attribute">#[repr(C)] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub </span>union <span class="macro-nonterminal">$i </span>{ $(<span class="macro-nonterminal">$field</span>)* } + } + + <span class="kw">impl </span>::Copy <span class="kw">for </span><span class="macro-nonterminal">$i </span>{} + <span class="kw">impl </span>::Clone <span class="kw">for </span><span class="macro-nonterminal">$i </span>{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="macro-nonterminal">$i </span>{ <span class="kw-2">*</span><span class="self">self </span>} + } + } + } + ); + (it: $(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub struct </span><span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* }) => ( + <span class="macro">__item! </span>{ + <span class="attribute">#[repr(C)] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub struct </span><span class="macro-nonterminal">$i </span>{ $(<span class="macro-nonterminal">$field</span>)* } + } + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>::Copy <span class="kw">for </span><span class="macro-nonterminal">$i </span>{} + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>::Clone <span class="kw">for </span><span class="macro-nonterminal">$i </span>{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="macro-nonterminal">$i </span>{ <span class="kw-2">*</span><span class="self">self </span>} + } + ); +} + +<span class="macro">macro_rules! </span>e { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub enum </span><span class="macro-nonterminal">$i</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* })<span class="kw-2">*</span>) => ($( + <span class="macro">__item! </span>{ + <span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug, Eq, Hash, PartialEq))] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub enum </span><span class="macro-nonterminal">$i </span>{ $(<span class="macro-nonterminal">$field</span>)* } + } + <span class="kw">impl </span>::Copy <span class="kw">for </span><span class="macro-nonterminal">$i </span>{} + <span class="kw">impl </span>::Clone <span class="kw">for </span><span class="macro-nonterminal">$i </span>{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="macro-nonterminal">$i </span>{ <span class="kw-2">*</span><span class="self">self </span>} + } + )<span class="kw-2">*</span>); +} + +<span class="macro">macro_rules! </span>s_paren { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub struct </span><span class="macro-nonterminal">$i</span>:ident ( $(<span class="macro-nonterminal">$field</span>:tt)* ); )* ) => ($( + <span class="macro">__item! </span>{ + <span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug, Eq, Hash, PartialEq))] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub struct </span><span class="macro-nonterminal">$i </span>( $(<span class="macro-nonterminal">$field</span>)* ); + } + <span class="kw">impl </span>::Copy <span class="kw">for </span><span class="macro-nonterminal">$i </span>{} + <span class="kw">impl </span>::Clone <span class="kw">for </span><span class="macro-nonterminal">$i </span>{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="macro-nonterminal">$i </span>{ <span class="kw-2">*</span><span class="self">self </span>} + } + )<span class="kw-2">*</span>); +} + +<span class="comment">// This is a pretty horrible hack to allow us to conditionally mark +// some functions as 'const', without requiring users of this macro +// to care about the "const-extern-fn" feature. +// +// When 'const-extern-fn' is enabled, we emit the captured 'const' keyword +// in the expanded function. +// +// When 'const-extern-fn' is disabled, we always emit a plain 'pub unsafe extern fn'. +// Note that the expression matched by the macro is exactly the same - this allows +// users of this macro to work whether or not 'const-extern-fn' is enabled +// +// Unfortunately, we need to duplicate most of this macro between the 'cfg_if' blocks. +// This is because 'const unsafe extern fn' won't even parse on older compilers, +// so we need to avoid emitting it at all of 'const-extern-fn'. +// +// Specifically, moving the 'cfg_if' into the macro body will *not* work. +// Doing so would cause the '#[cfg(feature = "const-extern-fn")]' to be emitted +// into user code. The 'cfg' gate will not stop Rust from trying to parse the +// 'pub const unsafe extern fn', so users would get a compiler error even when +// the 'const-extern-fn' feature is disabled +// +// Note that users of this macro need to place 'const' in a weird position +// (after the closing ')' for the arguments, but before the return type). +// This was the only way I could satisfy the following two requirements: +// 1. Avoid ambiguity errors from 'macro_rules!' (which happen when writing '$foo:ident fn' +// 2. Allow users of this macro to mix 'pub fn foo' and 'pub const fn bar' within the same +// 'f!' block +</span><span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_const_extern_fn)] </span>{ + <span class="macro">macro_rules! </span>f { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span>$({<span class="macro-nonterminal">$constness</span>:ident})* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>:ident( + $(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* + ) -> <span class="macro-nonterminal">$ret</span>:ty { + $(<span class="macro-nonterminal">$body</span>:stmt);* + })<span class="kw-2">*</span>) => ($( + <span class="attribute">#[inline] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub </span>$(<span class="macro-nonterminal">$constness</span>)* <span class="kw">unsafe extern fn </span><span class="macro-nonterminal">$i</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),* + ) -> <span class="macro-nonterminal">$ret </span>{ + $(<span class="macro-nonterminal">$body</span>);* + } + )<span class="kw-2">*</span>) + } + + <span class="macro">macro_rules! </span>safe_f { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span>$({<span class="macro-nonterminal">$constness</span>:ident})* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>:ident( + $(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* + ) -> <span class="macro-nonterminal">$ret</span>:ty { + $(<span class="macro-nonterminal">$body</span>:stmt);* + })<span class="kw-2">*</span>) => ($( + <span class="attribute">#[inline] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub </span>$(<span class="macro-nonterminal">$constness</span>)* <span class="kw">extern fn </span><span class="macro-nonterminal">$i</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),* + ) -> <span class="macro-nonterminal">$ret </span>{ + $(<span class="macro-nonterminal">$body</span>);* + } + )<span class="kw-2">*</span>) + } + + <span class="macro">macro_rules! </span>const_fn { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* $({<span class="macro-nonterminal">$constness</span>:ident})* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>:ident( + $(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* + ) -> <span class="macro-nonterminal">$ret</span>:ty { + $(<span class="macro-nonterminal">$body</span>:stmt);* + })<span class="kw-2">*</span>) => ($( + <span class="attribute">#[inline] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + $(<span class="macro-nonterminal">$constness</span>)* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),* + ) -> <span class="macro-nonterminal">$ret </span>{ + $(<span class="macro-nonterminal">$body</span>);* + } + )<span class="kw-2">*</span>) + } + + } <span class="kw">else </span>{ + <span class="macro">macro_rules! </span>f { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span>$({<span class="macro-nonterminal">$constness</span>:ident})* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>:ident( + $(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* + ) -> <span class="macro-nonterminal">$ret</span>:ty { + $(<span class="macro-nonterminal">$body</span>:stmt);* + })<span class="kw-2">*</span>) => ($( + <span class="attribute">#[inline] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub unsafe extern fn </span><span class="macro-nonterminal">$i</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),* + ) -> <span class="macro-nonterminal">$ret </span>{ + $(<span class="macro-nonterminal">$body</span>);* + } + )<span class="kw-2">*</span>) + } + + <span class="macro">macro_rules! </span>safe_f { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* <span class="kw">pub </span>$({<span class="macro-nonterminal">$constness</span>:ident})* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>:ident( + $(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* + ) -> <span class="macro-nonterminal">$ret</span>:ty { + $(<span class="macro-nonterminal">$body</span>:stmt);* + })<span class="kw-2">*</span>) => ($( + <span class="attribute">#[inline] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub extern fn </span><span class="macro-nonterminal">$i</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),* + ) -> <span class="macro-nonterminal">$ret </span>{ + $(<span class="macro-nonterminal">$body</span>);* + } + )<span class="kw-2">*</span>) + } + + <span class="macro">macro_rules! </span>const_fn { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* $({<span class="macro-nonterminal">$constness</span>:ident})* <span class="kw">fn </span><span class="macro-nonterminal">$i</span>:ident( + $(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* + ) -> <span class="macro-nonterminal">$ret</span>:ty { + $(<span class="macro-nonterminal">$body</span>:stmt);* + })<span class="kw-2">*</span>) => ($( + <span class="attribute">#[inline] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">fn </span><span class="macro-nonterminal">$i</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),* + ) -> <span class="macro-nonterminal">$ret </span>{ + $(<span class="macro-nonterminal">$body</span>);* + } + )<span class="kw-2">*</span>) + } + } +} + +<span class="macro">macro_rules! </span>__item { + (<span class="macro-nonterminal">$i</span>:item) => { + <span class="macro-nonterminal">$i + </span>}; +} + +<span class="macro">macro_rules! </span>align_const { + ($($(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>:meta]</span>)* + <span class="kw">pub const </span><span class="macro-nonterminal">$name</span>:ident : <span class="macro-nonterminal">$t1</span>:ty + = <span class="macro-nonterminal">$t2</span>:ident { $(<span class="macro-nonterminal">$field</span>:tt)* };)<span class="kw-2">*</span>) => ($( + <span class="attribute">#[cfg(libc_align)] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub const </span><span class="macro-nonterminal">$name </span>: <span class="macro-nonterminal">$t1 </span>= <span class="macro-nonterminal">$t2 </span>{ + $(<span class="macro-nonterminal">$field</span>)* + }; + <span class="attribute">#[cfg(not(libc_align))] + </span>$(<span class="attribute">#[<span class="macro-nonterminal">$attr</span>]</span>)* + <span class="kw">pub const </span><span class="macro-nonterminal">$name </span>: <span class="macro-nonterminal">$t1 </span>= <span class="macro-nonterminal">$t2 </span>{ + $(<span class="macro-nonterminal">$field</span>)* + __align: [], + }; + )<span class="kw-2">*</span>) +} + +<span class="comment">// This macro is used to deprecate items that should be accessed via the mach2 crate +</span><span class="macro">macro_rules! </span>deprecated_mach { + (<span class="kw">pub const </span><span class="macro-nonterminal">$id</span>:ident: <span class="macro-nonterminal">$ty</span>:ty = <span class="macro-nonterminal">$expr</span>:expr;) => { + <span class="attribute">#[deprecated( + since = <span class="string">"0.2.55"</span>, + note = <span class="string">"Use the `mach2` crate instead"</span>, + )] + #[allow(deprecated)] + </span><span class="kw">pub const </span><span class="macro-nonterminal">$id</span>: <span class="macro-nonterminal">$ty </span>= <span class="macro-nonterminal">$expr</span>; + }; + ($(<span class="kw">pub const </span><span class="macro-nonterminal">$id</span>:ident: <span class="macro-nonterminal">$ty</span>:ty = <span class="macro-nonterminal">$expr</span>:expr;)<span class="kw-2">*</span>) => { + $( + <span class="macro">deprecated_mach!</span>( + <span class="kw">pub const </span><span class="macro-nonterminal">$id</span>: <span class="macro-nonterminal">$ty </span>= <span class="macro-nonterminal">$expr</span>; + ); + )* + }; + (<span class="kw">pub type </span><span class="macro-nonterminal">$id</span>:ident = <span class="macro-nonterminal">$ty</span>:ty;) => { + <span class="attribute">#[deprecated( + since = <span class="string">"0.2.55"</span>, + note = <span class="string">"Use the `mach2` crate instead"</span>, + )] + #[allow(deprecated)] + </span><span class="kw">pub type </span><span class="macro-nonterminal">$id </span>= <span class="macro-nonterminal">$ty</span>; + }; + ($(<span class="kw">pub type </span><span class="macro-nonterminal">$id</span>:ident = <span class="macro-nonterminal">$ty</span>:ty;)<span class="kw-2">*</span>) => { + $( + <span class="macro">deprecated_mach!</span>( + <span class="kw">pub type </span><span class="macro-nonterminal">$id </span>= <span class="macro-nonterminal">$ty</span>; + ); + )* + } +} + +<span class="attribute">#[cfg(not(libc_ptr_addr_of))] +</span><span class="macro">macro_rules! </span>ptr_addr_of { + (<span class="macro-nonterminal">$place</span>:expr) => { + <span class="kw-2">&</span><span class="macro-nonterminal">$place + </span>}; +} + +<span class="attribute">#[cfg(libc_ptr_addr_of)] +</span><span class="macro">macro_rules! </span>ptr_addr_of { + (<span class="macro-nonterminal">$place</span>:expr) => { + <span class="macro">::core::ptr::addr_of!</span>(<span class="macro-nonterminal">$place</span>) + }; +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/align.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/align.rs.html new file mode 100644 index 0000000..6e6b0c3 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/align.rs.html @@ -0,0 +1,14 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/align.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>align.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../libc/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +</pre><pre class="rust"><code><span class="macro">s! </span>{ + <span class="attribute">#[repr(align(<span class="number">4</span>))] + </span><span class="kw">pub struct </span>in6_addr { + <span class="kw">pub </span>s6_addr: [u8; <span class="number">16</span>], + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/align.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/align.rs.html new file mode 100644 index 0000000..fea6f40 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/align.rs.html @@ -0,0 +1,302 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/align.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>align.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../normalize.css"><link rel="stylesheet" href="../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../storage.js"></script><script defer src="../../../../../source-script.js"></script><script defer src="../../../../../source-files.js"></script><script defer src="../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../libc/index.html"><img class="rust-logo" src="../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +</pre><pre class="rust"><code><span class="macro">macro_rules! </span>expand_align { + () => { + <span class="macro">s! </span>{ + <span class="attribute">#[cfg_attr(any(target_pointer_width = <span class="string">"32"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"powerpc64"</span>, + target_arch = <span class="string">"mips64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"sparc64"</span>, + target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"riscv64"</span>, + target_arch = <span class="string">"riscv32"</span>, + target_arch = <span class="string">"loongarch64"</span>), + repr(align(<span class="number">4</span>)))] + #[cfg_attr(not(any(target_pointer_width = <span class="string">"32"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"powerpc64"</span>, + target_arch = <span class="string">"mips64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"sparc64"</span>, + target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"riscv64"</span>, + target_arch = <span class="string">"riscv32"</span>, + target_arch = <span class="string">"loongarch64"</span>)), + repr(align(<span class="number">8</span>)))] + </span><span class="kw">pub struct </span>pthread_mutexattr_t { + <span class="attribute">#[doc(hidden)] + </span>size: [u8; ::__SIZEOF_PTHREAD_MUTEXATTR_T], + } + + <span class="attribute">#[cfg_attr(any(target_env = <span class="string">"musl"</span>, target_pointer_width = <span class="string">"32"</span>), + repr(align(<span class="number">4</span>)))] + #[cfg_attr(all(not(target_env = <span class="string">"musl"</span>), + target_pointer_width = <span class="string">"64"</span>), + repr(align(<span class="number">8</span>)))] + </span><span class="kw">pub struct </span>pthread_rwlockattr_t { + <span class="attribute">#[doc(hidden)] + </span>size: [u8; ::__SIZEOF_PTHREAD_RWLOCKATTR_T], + } + + <span class="attribute">#[repr(align(<span class="number">4</span>))] + </span><span class="kw">pub struct </span>pthread_condattr_t { + <span class="attribute">#[doc(hidden)] + </span>size: [u8; ::__SIZEOF_PTHREAD_CONDATTR_T], + } + + <span class="attribute">#[repr(align(<span class="number">8</span>))] + </span><span class="kw">pub struct </span>fanotify_event_metadata { + <span class="kw">pub </span>event_len: __u32, + <span class="kw">pub </span>vers: __u8, + <span class="kw">pub </span>reserved: __u8, + <span class="kw">pub </span>metadata_len: __u16, + <span class="kw">pub </span>mask: __u64, + <span class="kw">pub </span>fd: ::c_int, + <span class="kw">pub </span>pid: ::c_int, + } + } + + <span class="macro">s_no_extra_traits! </span>{ + <span class="attribute">#[cfg_attr(all(target_env = <span class="string">"musl"</span>, + target_pointer_width = <span class="string">"32"</span>), + repr(align(<span class="number">4</span>)))] + #[cfg_attr(all(target_env = <span class="string">"musl"</span>, + target_pointer_width = <span class="string">"64"</span>), + repr(align(<span class="number">8</span>)))] + #[cfg_attr(all(not(target_env = <span class="string">"musl"</span>), + target_arch = <span class="string">"x86"</span>), + repr(align(<span class="number">4</span>)))] + #[cfg_attr(all(not(target_env = <span class="string">"musl"</span>), + not(target_arch = <span class="string">"x86"</span>)), + repr(align(<span class="number">8</span>)))] + </span><span class="kw">pub struct </span>pthread_cond_t { + <span class="attribute">#[doc(hidden)] + </span>size: [u8; ::__SIZEOF_PTHREAD_COND_T], + } + + <span class="attribute">#[cfg_attr(all(target_pointer_width = <span class="string">"32"</span>, + any(target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"hexagon"</span>, + target_arch = <span class="string">"m68k"</span>, + target_arch = <span class="string">"powerpc"</span>, + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"x86"</span>)), + repr(align(<span class="number">4</span>)))] + #[cfg_attr(any(target_pointer_width = <span class="string">"64"</span>, + not(any(target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"hexagon"</span>, + target_arch = <span class="string">"m68k"</span>, + target_arch = <span class="string">"powerpc"</span>, + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"x86"</span>))), + repr(align(<span class="number">8</span>)))] + </span><span class="kw">pub struct </span>pthread_mutex_t { + <span class="attribute">#[doc(hidden)] + </span>size: [u8; ::__SIZEOF_PTHREAD_MUTEX_T], + } + + <span class="attribute">#[cfg_attr(all(target_pointer_width = <span class="string">"32"</span>, + any(target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"hexagon"</span>, + target_arch = <span class="string">"m68k"</span>, + target_arch = <span class="string">"powerpc"</span>, + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"x86"</span>)), + repr(align(<span class="number">4</span>)))] + #[cfg_attr(any(target_pointer_width = <span class="string">"64"</span>, + not(any(target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"hexagon"</span>, + target_arch = <span class="string">"m68k"</span>, + target_arch = <span class="string">"powerpc"</span>, + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"x86"</span>))), + repr(align(<span class="number">8</span>)))] + </span><span class="kw">pub struct </span>pthread_rwlock_t { + size: [u8; ::__SIZEOF_PTHREAD_RWLOCK_T], + } + + <span class="comment">// linux/can.h + </span><span class="attribute">#[repr(align(<span class="number">8</span>))] + #[allow(missing_debug_implementations)] + </span><span class="kw">pub struct </span>can_frame { + <span class="kw">pub </span>can_id: canid_t, + <span class="kw">pub </span>can_dlc: u8, + __pad: u8, + __res0: u8, + __res1: u8, + <span class="kw">pub </span>data: [u8; CAN_MAX_DLEN], + } + + <span class="attribute">#[repr(align(<span class="number">8</span>))] + #[allow(missing_debug_implementations)] + </span><span class="kw">pub struct </span>canfd_frame { + <span class="kw">pub </span>can_id: canid_t, + <span class="kw">pub </span>len: u8, + <span class="kw">pub </span>flags: u8, + __res0: u8, + __res1: u8, + <span class="kw">pub </span>data: [u8; CANFD_MAX_DLEN], + } + } + }; +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/arch/generic/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/arch/generic/mod.rs.html new file mode 100644 index 0000000..d4f39bd --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/arch/generic/mod.rs.html @@ -0,0 +1,576 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/arch/generic/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin 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src="../../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> 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id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +</pre><pre class="rust"><code><span class="macro">s! </span>{ + <span class="kw">pub struct </span>termios2 { + <span class="kw">pub </span>c_iflag: ::tcflag_t, + <span class="kw">pub </span>c_oflag: ::tcflag_t, + <span class="kw">pub </span>c_cflag: ::tcflag_t, + <span class="kw">pub </span>c_lflag: ::tcflag_t, + <span class="kw">pub </span>c_line: ::cc_t, + <span class="kw">pub </span>c_cc: [::cc_t; <span class="number">19</span>], + <span class="kw">pub </span>c_ispeed: ::speed_t, + <span class="kw">pub </span>c_ospeed: ::speed_t, + } +} + +<span class="comment">// include/uapi/asm-generic/socket.h +// arch/alpha/include/uapi/asm/socket.h +// tools/include/uapi/asm-generic/socket.h +// arch/mips/include/uapi/asm/socket.h +</span><span class="kw">pub const </span>SOL_SOCKET: ::c_int = <span class="number">1</span>; + +<span class="comment">// Defined in unix/linux_like/mod.rs +// pub const SO_DEBUG: ::c_int = 1; +</span><span class="kw">pub const </span>SO_REUSEADDR: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SO_TYPE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SO_ERROR: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>SO_DONTROUTE: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>SO_BROADCAST: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>SO_SNDBUF: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>SO_RCVBUF: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>SO_KEEPALIVE: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>SO_OOBINLINE: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>SO_NO_CHECK: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>SO_PRIORITY: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>SO_LINGER: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>SO_BSDCOMPAT: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>SO_REUSEPORT: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>SO_PASSCRED: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>SO_PEERCRED: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>SO_RCVLOWAT: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>SO_SNDLOWAT: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>SO_RCVTIMEO: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>SO_SNDTIMEO: ::c_int = <span class="number">21</span>; +<span class="comment">// pub const SO_RCVTIMEO_OLD: ::c_int = 20; +// pub const SO_SNDTIMEO_OLD: ::c_int = 21; +</span><span class="kw">pub const </span>SO_SECURITY_AUTHENTICATION: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>SO_SECURITY_ENCRYPTION_TRANSPORT: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>SO_SECURITY_ENCRYPTION_NETWORK: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>SO_BINDTODEVICE: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>SO_ATTACH_FILTER: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>SO_DETACH_FILTER: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>SO_GET_FILTER: ::c_int = SO_ATTACH_FILTER; +<span class="kw">pub const </span>SO_PEERNAME: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>SO_TIMESTAMP: ::c_int = <span class="number">29</span>; +<span class="comment">// pub const SO_TIMESTAMP_OLD: ::c_int = 29; +</span><span class="kw">pub const </span>SO_ACCEPTCONN: ::c_int = <span class="number">30</span>; +<span class="kw">pub const </span>SO_PEERSEC: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>SO_SNDBUFFORCE: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>SO_RCVBUFFORCE: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>SO_PASSSEC: ::c_int = <span class="number">34</span>; +<span class="kw">pub const </span>SO_TIMESTAMPNS: ::c_int = <span class="number">35</span>; +<span class="comment">// pub const SO_TIMESTAMPNS_OLD: ::c_int = 35; +</span><span class="kw">pub const </span>SO_MARK: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>SO_TIMESTAMPING: ::c_int = <span class="number">37</span>; +<span class="comment">// pub const SO_TIMESTAMPING_OLD: ::c_int = 37; +</span><span class="kw">pub const </span>SO_PROTOCOL: ::c_int = <span class="number">38</span>; +<span class="kw">pub const </span>SO_DOMAIN: ::c_int = <span class="number">39</span>; +<span class="kw">pub const </span>SO_RXQ_OVFL: ::c_int = <span class="number">40</span>; +<span class="kw">pub const </span>SO_WIFI_STATUS: ::c_int = <span class="number">41</span>; +<span class="kw">pub const </span>SCM_WIFI_STATUS: ::c_int = SO_WIFI_STATUS; +<span class="kw">pub const </span>SO_PEEK_OFF: ::c_int = <span class="number">42</span>; +<span class="kw">pub const </span>SO_NOFCS: ::c_int = <span class="number">43</span>; +<span class="kw">pub const </span>SO_LOCK_FILTER: ::c_int = <span class="number">44</span>; +<span class="kw">pub const </span>SO_SELECT_ERR_QUEUE: ::c_int = <span class="number">45</span>; +<span class="kw">pub const </span>SO_BUSY_POLL: ::c_int = <span class="number">46</span>; +<span class="kw">pub const </span>SO_MAX_PACING_RATE: ::c_int = <span class="number">47</span>; +<span class="kw">pub const </span>SO_BPF_EXTENSIONS: ::c_int = <span class="number">48</span>; +<span class="kw">pub const </span>SO_INCOMING_CPU: ::c_int = <span class="number">49</span>; +<span class="kw">pub const </span>SO_ATTACH_BPF: ::c_int = <span class="number">50</span>; +<span class="kw">pub const </span>SO_DETACH_BPF: ::c_int = SO_DETACH_FILTER; +<span class="kw">pub const </span>SO_ATTACH_REUSEPORT_CBPF: ::c_int = <span class="number">51</span>; +<span class="kw">pub const </span>SO_ATTACH_REUSEPORT_EBPF: ::c_int = <span class="number">52</span>; +<span class="kw">pub const </span>SO_CNX_ADVICE: ::c_int = <span class="number">53</span>; +<span class="kw">pub const </span>SCM_TIMESTAMPING_OPT_STATS: ::c_int = <span class="number">54</span>; +<span class="kw">pub const </span>SO_MEMINFO: ::c_int = <span class="number">55</span>; +<span class="kw">pub const </span>SO_INCOMING_NAPI_ID: ::c_int = <span class="number">56</span>; +<span class="kw">pub const </span>SO_COOKIE: ::c_int = <span class="number">57</span>; +<span class="kw">pub const </span>SCM_TIMESTAMPING_PKTINFO: ::c_int = <span class="number">58</span>; +<span class="kw">pub const </span>SO_PEERGROUPS: ::c_int = <span class="number">59</span>; +<span class="kw">pub const </span>SO_ZEROCOPY: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>SO_TXTIME: ::c_int = <span class="number">61</span>; +<span class="kw">pub const </span>SCM_TXTIME: ::c_int = SO_TXTIME; +<span class="kw">pub const </span>SO_BINDTOIFINDEX: ::c_int = <span class="number">62</span>; +<span class="macro">cfg_if! </span>{ + <span class="comment">// Some of these platforms in CI already have these constants. + // But they may still not have those _OLD ones. + </span><span class="kw">if </span><span class="attribute">#[cfg(all(any(target_arch = <span class="string">"x86"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"aarch64"</span>), + not(target_env = <span class="string">"musl"</span>)))] </span>{ + <span class="kw">pub const </span>SO_TIMESTAMP_NEW: ::c_int = <span class="number">63</span>; + <span class="kw">pub const </span>SO_TIMESTAMPNS_NEW: ::c_int = <span class="number">64</span>; + <span class="kw">pub const </span>SO_TIMESTAMPING_NEW: ::c_int = <span class="number">65</span>; + <span class="kw">pub const </span>SO_RCVTIMEO_NEW: ::c_int = <span class="number">66</span>; + <span class="kw">pub const </span>SO_SNDTIMEO_NEW: ::c_int = <span class="number">67</span>; + <span class="kw">pub const </span>SO_DETACH_REUSEPORT_BPF: ::c_int = <span class="number">68</span>; + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"x86"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"aarch64"</span>))] </span>{ + <span class="kw">pub const </span>FICLONE: ::c_ulong = <span class="number">0x40049409</span>; + <span class="kw">pub const </span>FICLONERANGE: ::c_ulong = <span class="number">0x4020940D</span>; + } +} +<span class="comment">// pub const SO_PREFER_BUSY_POLL: ::c_int = 69; +// pub const SO_BUSY_POLL_BUDGET: ::c_int = 70; + +// Defined in unix/linux_like/mod.rs +// pub const SCM_TIMESTAMP: ::c_int = SO_TIMESTAMP; +</span><span class="kw">pub const </span>SCM_TIMESTAMPNS: ::c_int = SO_TIMESTAMPNS; +<span class="kw">pub const </span>SCM_TIMESTAMPING: ::c_int = SO_TIMESTAMPING; + +<span class="comment">// Ioctl Constants + +</span><span class="kw">pub const </span>TCGETS: ::Ioctl = <span class="number">0x5401</span>; +<span class="kw">pub const </span>TCSETS: ::Ioctl = <span class="number">0x5402</span>; +<span class="kw">pub const </span>TCSETSW: ::Ioctl = <span class="number">0x5403</span>; +<span class="kw">pub const </span>TCSETSF: ::Ioctl = <span class="number">0x5404</span>; +<span class="kw">pub const </span>TCGETA: ::Ioctl = <span class="number">0x5405</span>; +<span class="kw">pub const </span>TCSETA: ::Ioctl = <span class="number">0x5406</span>; +<span class="kw">pub const </span>TCSETAW: ::Ioctl = <span class="number">0x5407</span>; +<span class="kw">pub const </span>TCSETAF: ::Ioctl = <span class="number">0x5408</span>; +<span class="kw">pub const </span>TCSBRK: ::Ioctl = <span class="number">0x5409</span>; +<span class="kw">pub const </span>TCXONC: ::Ioctl = <span class="number">0x540A</span>; +<span class="kw">pub const </span>TCFLSH: ::Ioctl = <span class="number">0x540B</span>; +<span class="kw">pub const </span>TIOCEXCL: ::Ioctl = <span class="number">0x540C</span>; +<span class="kw">pub const </span>TIOCNXCL: ::Ioctl = <span class="number">0x540D</span>; +<span class="kw">pub const </span>TIOCSCTTY: ::Ioctl = <span class="number">0x540E</span>; +<span class="kw">pub const </span>TIOCGPGRP: ::Ioctl = <span class="number">0x540F</span>; +<span class="kw">pub const </span>TIOCSPGRP: ::Ioctl = <span class="number">0x5410</span>; +<span class="kw">pub const </span>TIOCOUTQ: ::Ioctl = <span class="number">0x5411</span>; +<span class="kw">pub const </span>TIOCSTI: ::Ioctl = <span class="number">0x5412</span>; +<span class="kw">pub const </span>TIOCGWINSZ: ::Ioctl = <span class="number">0x5413</span>; +<span class="kw">pub const </span>TIOCSWINSZ: ::Ioctl = <span class="number">0x5414</span>; +<span class="kw">pub const </span>TIOCMGET: ::Ioctl = <span class="number">0x5415</span>; +<span class="kw">pub const </span>TIOCMBIS: ::Ioctl = <span class="number">0x5416</span>; +<span class="kw">pub const </span>TIOCMBIC: ::Ioctl = <span class="number">0x5417</span>; +<span class="kw">pub const </span>TIOCMSET: ::Ioctl = <span class="number">0x5418</span>; +<span class="kw">pub const </span>TIOCGSOFTCAR: ::Ioctl = <span class="number">0x5419</span>; +<span class="kw">pub const </span>TIOCSSOFTCAR: ::Ioctl = <span class="number">0x541A</span>; +<span class="kw">pub const </span>FIONREAD: ::Ioctl = <span class="number">0x541B</span>; +<span class="kw">pub const </span>TIOCINQ: ::Ioctl = FIONREAD; +<span class="kw">pub const </span>TIOCLINUX: ::Ioctl = <span class="number">0x541C</span>; +<span class="kw">pub const </span>TIOCCONS: ::Ioctl = <span class="number">0x541D</span>; +<span class="kw">pub const </span>TIOCGSERIAL: ::Ioctl = <span class="number">0x541E</span>; +<span class="kw">pub const </span>TIOCSSERIAL: ::Ioctl = <span class="number">0x541F</span>; +<span class="kw">pub const </span>TIOCPKT: ::Ioctl = <span class="number">0x5420</span>; +<span class="kw">pub const </span>FIONBIO: ::Ioctl = <span class="number">0x5421</span>; +<span class="kw">pub const </span>TIOCNOTTY: ::Ioctl = <span class="number">0x5422</span>; +<span class="kw">pub const </span>TIOCSETD: ::Ioctl = <span class="number">0x5423</span>; +<span class="kw">pub const </span>TIOCGETD: ::Ioctl = <span class="number">0x5424</span>; +<span class="kw">pub const </span>TCSBRKP: ::Ioctl = <span class="number">0x5425</span>; +<span class="kw">pub const </span>TIOCSBRK: ::Ioctl = <span class="number">0x5427</span>; +<span class="kw">pub const </span>TIOCCBRK: ::Ioctl = <span class="number">0x5428</span>; +<span class="kw">pub const </span>TIOCGSID: ::Ioctl = <span class="number">0x5429</span>; +<span class="kw">pub const </span>TCGETS2: ::Ioctl = <span class="number">0x802c542a</span>; +<span class="kw">pub const </span>TCSETS2: ::Ioctl = <span class="number">0x402c542b</span>; +<span class="kw">pub const </span>TCSETSW2: ::Ioctl = <span class="number">0x402c542c</span>; +<span class="kw">pub const </span>TCSETSF2: ::Ioctl = <span class="number">0x402c542d</span>; +<span class="kw">pub const </span>TIOCGRS485: ::Ioctl = <span class="number">0x542E</span>; +<span class="kw">pub const </span>TIOCSRS485: ::Ioctl = <span class="number">0x542F</span>; +<span class="kw">pub const </span>TIOCGPTN: ::Ioctl = <span class="number">0x80045430</span>; +<span class="kw">pub const </span>TIOCSPTLCK: ::Ioctl = <span class="number">0x40045431</span>; +<span class="kw">pub const </span>TIOCGDEV: ::Ioctl = <span class="number">0x80045432</span>; +<span class="kw">pub const </span>TCGETX: ::Ioctl = <span class="number">0x5432</span>; +<span class="kw">pub const </span>TCSETX: ::Ioctl = <span class="number">0x5433</span>; +<span class="kw">pub const </span>TCSETXF: ::Ioctl = <span class="number">0x5434</span>; +<span class="kw">pub const </span>TCSETXW: ::Ioctl = <span class="number">0x5435</span>; +<span class="kw">pub const </span>TIOCSIG: ::Ioctl = <span class="number">0x40045436</span>; +<span class="kw">pub const </span>TIOCVHANGUP: ::Ioctl = <span class="number">0x5437</span>; +<span class="kw">pub const </span>TIOCGPKT: ::Ioctl = <span class="number">0x80045438</span>; +<span class="kw">pub const </span>TIOCGPTLCK: ::Ioctl = <span class="number">0x80045439</span>; +<span class="kw">pub const </span>TIOCGEXCL: ::Ioctl = <span class="number">0x80045440</span>; +<span class="kw">pub const </span>TIOCGPTPEER: ::Ioctl = <span class="number">0x5441</span>; +<span class="comment">// pub const TIOCGISO7816: ::Ioctl = 0x80285442; +// pub const TIOCSISO7816: ::Ioctl = 0xc0285443; +</span><span class="kw">pub const </span>FIONCLEX: ::Ioctl = <span class="number">0x5450</span>; +<span class="kw">pub const </span>FIOCLEX: ::Ioctl = <span class="number">0x5451</span>; +<span class="kw">pub const </span>FIOASYNC: ::Ioctl = <span class="number">0x5452</span>; +<span class="kw">pub const </span>TIOCSERCONFIG: ::Ioctl = <span class="number">0x5453</span>; +<span class="kw">pub const </span>TIOCSERGWILD: ::Ioctl = <span class="number">0x5454</span>; +<span class="kw">pub const </span>TIOCSERSWILD: ::Ioctl = <span class="number">0x5455</span>; +<span class="kw">pub const </span>TIOCGLCKTRMIOS: ::Ioctl = <span class="number">0x5456</span>; +<span class="kw">pub const </span>TIOCSLCKTRMIOS: ::Ioctl = <span class="number">0x5457</span>; +<span class="kw">pub const </span>TIOCSERGSTRUCT: ::Ioctl = <span class="number">0x5458</span>; +<span class="kw">pub const </span>TIOCSERGETLSR: ::Ioctl = <span class="number">0x5459</span>; +<span class="kw">pub const </span>TIOCSERGETMULTI: ::Ioctl = <span class="number">0x545A</span>; +<span class="kw">pub const </span>TIOCSERSETMULTI: ::Ioctl = <span class="number">0x545B</span>; +<span class="kw">pub const </span>TIOCMIWAIT: ::Ioctl = <span class="number">0x545C</span>; +<span class="kw">pub const </span>TIOCGICOUNT: ::Ioctl = <span class="number">0x545D</span>; +<span class="kw">pub const </span>BLKIOMIN: ::Ioctl = <span class="number">0x1278</span>; +<span class="kw">pub const </span>BLKIOOPT: ::Ioctl = <span class="number">0x1279</span>; +<span class="kw">pub const </span>BLKSSZGET: ::Ioctl = <span class="number">0x1268</span>; +<span class="kw">pub const </span>BLKPBSZGET: ::Ioctl = <span class="number">0x127B</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"s390x"</span>))] </span>{ + <span class="kw">pub const </span>FIOQSIZE: ::Ioctl = <span class="number">0x545E</span>; + } <span class="kw">else </span>{ + <span class="kw">pub const </span>FIOQSIZE: ::Ioctl = <span class="number">0x5460</span>; + } +} + +<span class="kw">pub const </span>TIOCM_LE: ::c_int = <span class="number">0x001</span>; +<span class="kw">pub const </span>TIOCM_DTR: ::c_int = <span class="number">0x002</span>; +<span class="kw">pub const </span>TIOCM_RTS: ::c_int = <span class="number">0x004</span>; +<span class="kw">pub const </span>TIOCM_ST: ::c_int = <span class="number">0x008</span>; +<span class="kw">pub const </span>TIOCM_SR: ::c_int = <span class="number">0x010</span>; +<span class="kw">pub const </span>TIOCM_CTS: ::c_int = <span class="number">0x020</span>; +<span class="kw">pub const </span>TIOCM_CAR: ::c_int = <span class="number">0x040</span>; +<span class="kw">pub const </span>TIOCM_CD: ::c_int = TIOCM_CAR; +<span class="kw">pub const </span>TIOCM_RNG: ::c_int = <span class="number">0x080</span>; +<span class="kw">pub const </span>TIOCM_RI: ::c_int = TIOCM_RNG; +<span class="kw">pub const </span>TIOCM_DSR: ::c_int = <span class="number">0x100</span>; + +<span class="kw">pub const </span>BOTHER: ::speed_t = <span class="number">0o010000</span>; +<span class="kw">pub const </span>IBSHIFT: ::tcflag_t = <span class="number">16</span>; + +<span class="comment">// RLIMIT Constants + +</span><span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_env = <span class="string">"gnu"</span>, + target_env = <span class="string">"uclibc"</span>))] </span>{ + + <span class="kw">pub const </span>RLIMIT_CPU: ::__rlimit_resource_t = <span class="number">0</span>; + <span class="kw">pub const </span>RLIMIT_FSIZE: ::__rlimit_resource_t = <span class="number">1</span>; + <span class="kw">pub const </span>RLIMIT_DATA: ::__rlimit_resource_t = <span class="number">2</span>; + <span class="kw">pub const </span>RLIMIT_STACK: ::__rlimit_resource_t = <span class="number">3</span>; + <span class="kw">pub const </span>RLIMIT_CORE: ::__rlimit_resource_t = <span class="number">4</span>; + <span class="kw">pub const </span>RLIMIT_RSS: ::__rlimit_resource_t = <span class="number">5</span>; + <span class="kw">pub const </span>RLIMIT_NPROC: ::__rlimit_resource_t = <span class="number">6</span>; + <span class="kw">pub const </span>RLIMIT_NOFILE: ::__rlimit_resource_t = <span class="number">7</span>; + <span class="kw">pub const </span>RLIMIT_MEMLOCK: ::__rlimit_resource_t = <span class="number">8</span>; + <span class="kw">pub const </span>RLIMIT_AS: ::__rlimit_resource_t = <span class="number">9</span>; + <span class="kw">pub const </span>RLIMIT_LOCKS: ::__rlimit_resource_t = <span class="number">10</span>; + <span class="kw">pub const </span>RLIMIT_SIGPENDING: ::__rlimit_resource_t = <span class="number">11</span>; + <span class="kw">pub const </span>RLIMIT_MSGQUEUE: ::__rlimit_resource_t = <span class="number">12</span>; + <span class="kw">pub const </span>RLIMIT_NICE: ::__rlimit_resource_t = <span class="number">13</span>; + <span class="kw">pub const </span>RLIMIT_RTPRIO: ::__rlimit_resource_t = <span class="number">14</span>; + <span class="kw">pub const </span>RLIMIT_RTTIME: ::__rlimit_resource_t = <span class="number">15</span>; + <span class="kw">pub const </span>RLIMIT_NLIMITS: ::__rlimit_resource_t = RLIM_NLIMITS; + + } <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"musl"</span>)] </span>{ + + <span class="kw">pub const </span>RLIMIT_CPU: ::c_int = <span class="number">0</span>; + <span class="kw">pub const </span>RLIMIT_FSIZE: ::c_int = <span class="number">1</span>; + <span class="kw">pub const </span>RLIMIT_DATA: ::c_int = <span class="number">2</span>; + <span class="kw">pub const </span>RLIMIT_STACK: ::c_int = <span class="number">3</span>; + <span class="kw">pub const </span>RLIMIT_CORE: ::c_int = <span class="number">4</span>; + <span class="kw">pub const </span>RLIMIT_RSS: ::c_int = <span class="number">5</span>; + <span class="kw">pub const </span>RLIMIT_NPROC: ::c_int = <span class="number">6</span>; + <span class="kw">pub const </span>RLIMIT_NOFILE: ::c_int = <span class="number">7</span>; + <span class="kw">pub const </span>RLIMIT_MEMLOCK: ::c_int = <span class="number">8</span>; + <span class="kw">pub const </span>RLIMIT_AS: ::c_int = <span class="number">9</span>; + <span class="kw">pub const </span>RLIMIT_LOCKS: ::c_int = <span class="number">10</span>; + <span class="kw">pub const </span>RLIMIT_SIGPENDING: ::c_int = <span class="number">11</span>; + <span class="kw">pub const </span>RLIMIT_MSGQUEUE: ::c_int = <span class="number">12</span>; + <span class="kw">pub const </span>RLIMIT_NICE: ::c_int = <span class="number">13</span>; + <span class="kw">pub const </span>RLIMIT_RTPRIO: ::c_int = <span class="number">14</span>; + <span class="kw">pub const </span>RLIMIT_RTTIME: ::c_int = <span class="number">15</span>; + <span class="kw">pub const </span>RLIM_NLIMITS: ::c_int = <span class="number">15</span>; + <span class="kw">pub const </span>RLIMIT_NLIMITS: ::c_int = RLIM_NLIMITS; + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_env = <span class="string">"gnu"</span>)] </span>{ + <span class="kw">pub const </span>RLIM_NLIMITS: ::__rlimit_resource_t = <span class="number">16</span>; + } + <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"uclibc"</span>)] </span>{ + <span class="kw">pub const </span>RLIM_NLIMITS: ::__rlimit_resource_t = <span class="number">15</span>; + } +} + +<span class="kw">pub const </span>RLIM_INFINITY: ::rlim_t = !<span class="number">0</span>; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../../" data-current-crate="libc" 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\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/arch/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/arch/mod.rs.html new file mode 100644 index 0000000..29d416f --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/arch/mod.rs.html @@ -0,0 +1,32 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/arch/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../../normalize.css"><link rel="stylesheet" href="../../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../../storage.js"></script><script defer src="../../../../../../source-script.js"></script><script defer src="../../../../../../source-files.js"></script><script defer src="../../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../../libc/index.html"><img class="rust-logo" src="../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +</pre><pre class="rust"><code><span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"mips"</span>, target_arch = <span class="string">"mips64"</span>))] </span>{ + <span class="kw">mod </span>mips; + <span class="kw">pub use </span><span class="self">self</span>::mips::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"powerpc"</span>, target_arch = <span class="string">"powerpc64"</span>))] </span>{ + <span class="kw">mod </span>powerpc; + <span class="kw">pub use </span><span class="self">self</span>::powerpc::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"sparc"</span>, target_arch = <span class="string">"sparc64"</span>))] </span>{ + <span class="kw">mod </span>sparc; + <span class="kw">pub use </span><span class="self">self</span>::sparc::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="kw">mod </span>generic; + <span class="kw">pub use </span><span class="self">self</span>::generic::<span class="kw-2">*</span>; + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/align.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/align.rs.html new file mode 100644 index 0000000..59d0d18 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/align.rs.html @@ -0,0 +1,28 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/gnu/align.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>align.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../../normalize.css"><link rel="stylesheet" href="../../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../../storage.js"></script><script defer src="../../../../../../source-script.js"></script><script defer src="../../../../../../source-files.js"></script><script defer src="../../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../../libc/index.html"><img class="rust-logo" src="../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +</pre><pre class="rust"><code><span class="macro">s! </span>{ + <span class="comment">// FIXME this is actually a union + </span><span class="attribute">#[cfg_attr(target_pointer_width = <span class="string">"32"</span>, + repr(align(<span class="number">4</span>)))] + #[cfg_attr(target_pointer_width = <span class="string">"64"</span>, + repr(align(<span class="number">8</span>)))] + </span><span class="kw">pub struct </span>sem_t { + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__size: [::c_char; <span class="number">16</span>], + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span>__size: [::c_char; <span class="number">32</span>], + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/mod.rs.html new file mode 100644 index 0000000..c79d1d4 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/mod.rs.html @@ -0,0 +1,254 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/gnu/b64/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../../../normalize.css"><link rel="stylesheet" href="../../../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../../../storage.js"></script><script defer src="../../../../../../../source-script.js"></script><script defer src="../../../../../../../source-files.js"></script><script defer src="../../../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../../../libc/index.html"><img class="rust-logo" src="../../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +</pre><pre class="rust"><code><span class="doccomment">//! 64-bit specific definitions for linux-like values + +</span><span class="kw">pub type </span>ino_t = u64; +<span class="kw">pub type </span>off_t = i64; +<span class="kw">pub type </span>blkcnt_t = i64; +<span class="kw">pub type </span>shmatt_t = u64; +<span class="kw">pub type </span>msgqnum_t = u64; +<span class="kw">pub type </span>msglen_t = u64; +<span class="kw">pub type </span>fsblkcnt_t = u64; +<span class="kw">pub type </span>fsfilcnt_t = u64; +<span class="kw">pub type </span>rlim_t = u64; +<span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] +</span><span class="kw">pub type </span>__syscall_ulong_t = ::c_ulonglong; +<span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] +</span><span class="kw">pub type </span>__syscall_ulong_t = ::c_ulong; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(all(target_arch = <span class="string">"aarch64"</span>, target_pointer_width = <span class="string">"32"</span>))] </span>{ + <span class="kw">pub type </span>clock_t = i32; + <span class="kw">pub type </span>time_t = i32; + <span class="kw">pub type </span>__fsword_t = i32; + } <span class="kw">else </span>{ + <span class="kw">pub type </span>__fsword_t = i64; + <span class="kw">pub type </span>clock_t = i64; + <span class="kw">pub type </span>time_t = i64; + } +} + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>sigset_t { + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__val: [u32; <span class="number">32</span>], + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span>__val: [u64; <span class="number">16</span>], + } + + <span class="kw">pub struct </span>sysinfo { + <span class="kw">pub </span>uptime: i64, + <span class="kw">pub </span>loads: [u64; <span class="number">3</span>], + <span class="kw">pub </span>totalram: u64, + <span class="kw">pub </span>freeram: u64, + <span class="kw">pub </span>sharedram: u64, + <span class="kw">pub </span>bufferram: u64, + <span class="kw">pub </span>totalswap: u64, + <span class="kw">pub </span>freeswap: u64, + <span class="kw">pub </span>procs: ::c_ushort, + <span class="kw">pub </span>pad: ::c_ushort, + <span class="kw">pub </span>totalhigh: u64, + <span class="kw">pub </span>freehigh: u64, + <span class="kw">pub </span>mem_unit: ::c_uint, + <span class="kw">pub </span>_f: [::c_char; <span class="number">0</span>], + } + + <span class="kw">pub struct </span>msqid_ds { + <span class="kw">pub </span>msg_perm: ::ipc_perm, + <span class="kw">pub </span>msg_stime: ::time_t, + <span class="kw">pub </span>msg_rtime: ::time_t, + <span class="kw">pub </span>msg_ctime: ::time_t, + __msg_cbytes: u64, + <span class="kw">pub </span>msg_qnum: ::msgqnum_t, + <span class="kw">pub </span>msg_qbytes: ::msglen_t, + <span class="kw">pub </span>msg_lspid: ::pid_t, + <span class="kw">pub </span>msg_lrpid: ::pid_t, + __glibc_reserved4: u64, + __glibc_reserved5: u64, + } + + <span class="kw">pub struct </span>semid_ds { + <span class="kw">pub </span>sem_perm: ipc_perm, + <span class="kw">pub </span>sem_otime: ::time_t, + <span class="attribute">#[cfg(not(any( + target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"loongarch64"</span>, + target_arch = <span class="string">"mips64"</span>, + target_arch = <span class="string">"powerpc64"</span>, + target_arch = <span class="string">"riscv64"</span>, + target_arch = <span class="string">"sparc64"</span>)))] + </span>__reserved: ::__syscall_ulong_t, + <span class="kw">pub </span>sem_ctime: ::time_t, + <span class="attribute">#[cfg(not(any( + target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"loongarch64"</span>, + target_arch = <span class="string">"mips64"</span>, + target_arch = <span class="string">"powerpc64"</span>, + target_arch = <span class="string">"riscv64"</span>, + target_arch = <span class="string">"sparc64"</span>)))] + </span>__reserved2: ::__syscall_ulong_t, + <span class="kw">pub </span>sem_nsems: ::__syscall_ulong_t, + __glibc_reserved3: ::__syscall_ulong_t, + __glibc_reserved4: ::__syscall_ulong_t, + } +} + +<span class="kw">pub const </span>__SIZEOF_PTHREAD_RWLOCKATTR_T: usize = <span class="number">8</span>; + +<span class="kw">pub const </span>O_LARGEFILE: ::c_int = <span class="number">0</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_arch = <span class="string">"aarch64"</span>)] </span>{ + <span class="kw">mod </span>aarch64; + <span class="kw">pub use </span><span class="self">self</span>::aarch64::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"powerpc64"</span>))] </span>{ + <span class="kw">mod </span>powerpc64; + <span class="kw">pub use </span><span class="self">self</span>::powerpc64::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"sparc64"</span>))] </span>{ + <span class="kw">mod </span>sparc64; + <span class="kw">pub use </span><span class="self">self</span>::sparc64::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"mips64"</span>))] </span>{ + <span class="kw">mod </span>mips64; + <span class="kw">pub use </span><span class="self">self</span>::mips64::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"s390x"</span>))] </span>{ + <span class="kw">mod </span>s390x; + <span class="kw">pub use </span><span class="self">self</span>::s390x::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"x86_64"</span>))] </span>{ + <span class="kw">mod </span>x86_64; + <span class="kw">pub use </span><span class="self">self</span>::x86_64::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"riscv64"</span>))] </span>{ + <span class="kw">mod </span>riscv64; + <span class="kw">pub use </span><span class="self">self</span>::riscv64::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"loongarch64"</span>))] </span>{ + <span class="kw">mod </span>loongarch64; + <span class="kw">pub use </span><span class="self">self</span>::loongarch64::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="comment">// Unknown target_arch + </span>} +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" 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\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/x86_64/align.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/x86_64/align.rs.html new file mode 100644 index 0000000..77f4341 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/x86_64/align.rs.html @@ -0,0 +1,50 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/gnu/b64/x86_64/align.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>align.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../../../../normalize.css"><link rel="stylesheet" href="../../../../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../../../../storage.js"></script><script defer src="../../../../../../../../source-script.js"></script><script defer src="../../../../../../../../source-files.js"></script><script defer src="../../../../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../../../../libc/index.html"><img class="rust-logo" src="../../../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +</pre><pre class="rust"><code><span class="macro">s_no_extra_traits! </span>{ + <span class="attribute">#[allow(missing_debug_implementations)] + #[repr(align(<span class="number">16</span>))] + </span><span class="kw">pub struct </span>max_align_t { + priv_: [f64; <span class="number">4</span>] + } +} + +<span class="macro">s! </span>{ + <span class="attribute">#[repr(align(<span class="number">8</span>))] + </span><span class="kw">pub struct </span>clone_args { + <span class="kw">pub </span>flags: ::c_ulonglong, + <span class="kw">pub </span>pidfd: ::c_ulonglong, + <span class="kw">pub </span>child_tid: ::c_ulonglong, + <span class="kw">pub </span>parent_tid: ::c_ulonglong, + <span class="kw">pub </span>exit_signal: ::c_ulonglong, + <span class="kw">pub </span>stack: ::c_ulonglong, + <span class="kw">pub </span>stack_size: ::c_ulonglong, + <span class="kw">pub </span>tls: ::c_ulonglong, + <span class="kw">pub </span>set_tid: ::c_ulonglong, + <span class="kw">pub </span>set_tid_size: ::c_ulonglong, + <span class="kw">pub </span>cgroup: ::c_ulonglong, + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/x86_64/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/x86_64/mod.rs.html new file mode 100644 index 0000000..a206703 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/b64/x86_64/mod.rs.html @@ -0,0 +1,1668 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../../../../normalize.css"><link rel="stylesheet" href="../../../../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../../../../storage.js"></script><script defer src="../../../../../../../../source-script.js"></script><script defer src="../../../../../../../../source-files.js"></script><script defer src="../../../../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../../../../libc/index.html"><img class="rust-logo" src="../../../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +<span id="177">177</span> +<span id="178">178</span> +<span id="179">179</span> +<span id="180">180</span> +<span id="181">181</span> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +<span id="219">219</span> +<span id="220">220</span> +<span id="221">221</span> +<span id="222">222</span> +<span id="223">223</span> +<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +<span id="323">323</span> +<span id="324">324</span> +<span id="325">325</span> +<span id="326">326</span> +<span id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +<span id="344">344</span> +<span id="345">345</span> +<span id="346">346</span> +<span id="347">347</span> +<span id="348">348</span> +<span id="349">349</span> +<span id="350">350</span> +<span id="351">351</span> +<span id="352">352</span> +<span id="353">353</span> +<span id="354">354</span> +<span id="355">355</span> +<span id="356">356</span> +<span id="357">357</span> +<span id="358">358</span> +<span id="359">359</span> +<span id="360">360</span> +<span id="361">361</span> +<span id="362">362</span> +<span id="363">363</span> +<span id="364">364</span> +<span id="365">365</span> +<span id="366">366</span> +<span id="367">367</span> +<span id="368">368</span> +<span id="369">369</span> +<span id="370">370</span> +<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +<span id="387">387</span> +<span id="388">388</span> +<span id="389">389</span> +<span id="390">390</span> +<span id="391">391</span> +<span id="392">392</span> +<span id="393">393</span> +<span id="394">394</span> +<span id="395">395</span> +<span id="396">396</span> +<span id="397">397</span> +<span id="398">398</span> +<span id="399">399</span> +<span id="400">400</span> +<span id="401">401</span> +<span id="402">402</span> +<span id="403">403</span> +<span id="404">404</span> +<span id="405">405</span> +<span id="406">406</span> +<span id="407">407</span> +<span id="408">408</span> +<span id="409">409</span> +<span id="410">410</span> +<span id="411">411</span> +<span id="412">412</span> +<span id="413">413</span> +<span id="414">414</span> +<span id="415">415</span> +<span id="416">416</span> +<span id="417">417</span> +<span id="418">418</span> +<span id="419">419</span> +<span id="420">420</span> +<span id="421">421</span> +<span id="422">422</span> +<span id="423">423</span> +<span id="424">424</span> +<span id="425">425</span> +<span id="426">426</span> +<span id="427">427</span> +<span id="428">428</span> +<span id="429">429</span> +<span id="430">430</span> +<span id="431">431</span> +<span id="432">432</span> +<span id="433">433</span> +<span id="434">434</span> +<span id="435">435</span> +<span id="436">436</span> +<span id="437">437</span> +<span id="438">438</span> +<span id="439">439</span> +<span id="440">440</span> +<span id="441">441</span> +<span id="442">442</span> +<span id="443">443</span> +<span id="444">444</span> +<span id="445">445</span> +<span id="446">446</span> +<span id="447">447</span> +<span id="448">448</span> +<span id="449">449</span> +<span id="450">450</span> +<span id="451">451</span> +<span id="452">452</span> +<span id="453">453</span> +<span id="454">454</span> +<span id="455">455</span> +<span id="456">456</span> +<span id="457">457</span> +<span id="458">458</span> +<span id="459">459</span> +<span id="460">460</span> +<span id="461">461</span> +<span id="462">462</span> +<span id="463">463</span> +<span id="464">464</span> +<span id="465">465</span> +<span id="466">466</span> +<span id="467">467</span> +<span id="468">468</span> +<span id="469">469</span> +<span id="470">470</span> +<span id="471">471</span> +<span id="472">472</span> +<span id="473">473</span> +<span id="474">474</span> +<span id="475">475</span> +<span id="476">476</span> +<span id="477">477</span> +<span id="478">478</span> +<span id="479">479</span> +<span id="480">480</span> +<span id="481">481</span> +<span id="482">482</span> +<span id="483">483</span> +<span id="484">484</span> +<span id="485">485</span> +<span id="486">486</span> +<span id="487">487</span> +<span id="488">488</span> +<span id="489">489</span> +<span id="490">490</span> +<span id="491">491</span> +<span id="492">492</span> +<span id="493">493</span> +<span id="494">494</span> +<span id="495">495</span> +<span id="496">496</span> +<span id="497">497</span> +<span id="498">498</span> +<span id="499">499</span> +<span id="500">500</span> +<span id="501">501</span> +<span id="502">502</span> +<span id="503">503</span> +<span id="504">504</span> +<span id="505">505</span> +<span id="506">506</span> +<span id="507">507</span> +<span id="508">508</span> +<span id="509">509</span> +<span id="510">510</span> +<span id="511">511</span> +<span id="512">512</span> +<span id="513">513</span> +<span id="514">514</span> +<span id="515">515</span> +<span id="516">516</span> +<span id="517">517</span> +<span id="518">518</span> +<span id="519">519</span> +<span id="520">520</span> +<span id="521">521</span> +<span id="522">522</span> +<span id="523">523</span> +<span id="524">524</span> +<span id="525">525</span> +<span id="526">526</span> +<span id="527">527</span> +<span id="528">528</span> +<span id="529">529</span> +<span id="530">530</span> +<span id="531">531</span> +<span id="532">532</span> +<span id="533">533</span> +<span id="534">534</span> +<span id="535">535</span> +<span id="536">536</span> +<span id="537">537</span> +<span id="538">538</span> +<span id="539">539</span> +<span id="540">540</span> +<span id="541">541</span> +<span id="542">542</span> +<span id="543">543</span> +<span id="544">544</span> +<span id="545">545</span> +<span id="546">546</span> +<span id="547">547</span> +<span id="548">548</span> +<span id="549">549</span> +<span id="550">550</span> +<span id="551">551</span> +<span id="552">552</span> +<span id="553">553</span> +<span id="554">554</span> +<span id="555">555</span> +<span id="556">556</span> +<span id="557">557</span> +<span id="558">558</span> +<span id="559">559</span> +<span id="560">560</span> +<span id="561">561</span> +<span id="562">562</span> +<span id="563">563</span> +<span id="564">564</span> +<span id="565">565</span> +<span id="566">566</span> +<span id="567">567</span> +<span id="568">568</span> +<span id="569">569</span> +<span id="570">570</span> +<span id="571">571</span> +<span id="572">572</span> +<span id="573">573</span> +<span id="574">574</span> +<span id="575">575</span> +<span id="576">576</span> +<span id="577">577</span> +<span id="578">578</span> +<span id="579">579</span> +<span id="580">580</span> +<span id="581">581</span> +<span id="582">582</span> +<span id="583">583</span> +<span id="584">584</span> +<span id="585">585</span> +<span id="586">586</span> +<span id="587">587</span> +<span id="588">588</span> +<span id="589">589</span> +<span id="590">590</span> +<span id="591">591</span> +<span id="592">592</span> +<span id="593">593</span> +<span id="594">594</span> +<span id="595">595</span> +<span id="596">596</span> +<span id="597">597</span> +<span id="598">598</span> +<span id="599">599</span> +<span id="600">600</span> +<span id="601">601</span> +<span id="602">602</span> +<span id="603">603</span> +<span id="604">604</span> +<span id="605">605</span> +<span id="606">606</span> +<span id="607">607</span> +<span id="608">608</span> +<span id="609">609</span> +<span id="610">610</span> +<span id="611">611</span> +<span id="612">612</span> +<span id="613">613</span> +<span id="614">614</span> +<span id="615">615</span> +<span id="616">616</span> +<span id="617">617</span> +<span id="618">618</span> +<span id="619">619</span> +<span id="620">620</span> +<span id="621">621</span> +<span id="622">622</span> +<span id="623">623</span> +<span id="624">624</span> +<span id="625">625</span> +<span id="626">626</span> +<span id="627">627</span> +<span id="628">628</span> +<span id="629">629</span> +<span id="630">630</span> +<span id="631">631</span> +<span id="632">632</span> +<span id="633">633</span> +<span id="634">634</span> +<span id="635">635</span> +<span id="636">636</span> +<span id="637">637</span> +<span id="638">638</span> +<span id="639">639</span> +<span id="640">640</span> +<span id="641">641</span> +<span id="642">642</span> +<span id="643">643</span> +<span id="644">644</span> +<span id="645">645</span> +<span id="646">646</span> +<span id="647">647</span> +<span id="648">648</span> +<span id="649">649</span> +<span id="650">650</span> +<span id="651">651</span> +<span id="652">652</span> +<span id="653">653</span> +<span id="654">654</span> +<span id="655">655</span> +<span id="656">656</span> +<span id="657">657</span> +<span id="658">658</span> +<span id="659">659</span> +<span id="660">660</span> +<span id="661">661</span> +<span id="662">662</span> +<span id="663">663</span> +<span id="664">664</span> +<span id="665">665</span> +<span id="666">666</span> +<span id="667">667</span> +<span id="668">668</span> +<span id="669">669</span> +<span id="670">670</span> +<span id="671">671</span> +<span id="672">672</span> +<span id="673">673</span> +<span id="674">674</span> +<span id="675">675</span> +<span id="676">676</span> +<span id="677">677</span> +<span id="678">678</span> +<span id="679">679</span> +<span id="680">680</span> +<span id="681">681</span> +<span id="682">682</span> +<span id="683">683</span> +<span id="684">684</span> +<span id="685">685</span> +<span id="686">686</span> +<span id="687">687</span> +<span id="688">688</span> +<span id="689">689</span> +<span id="690">690</span> +<span id="691">691</span> +<span id="692">692</span> +<span id="693">693</span> +<span id="694">694</span> +<span id="695">695</span> +<span id="696">696</span> +<span id="697">697</span> +<span id="698">698</span> +<span id="699">699</span> +<span id="700">700</span> +<span id="701">701</span> +<span id="702">702</span> +<span id="703">703</span> +<span id="704">704</span> +<span id="705">705</span> +<span id="706">706</span> +<span id="707">707</span> +<span id="708">708</span> +<span id="709">709</span> +<span id="710">710</span> +<span id="711">711</span> +<span id="712">712</span> +<span id="713">713</span> +<span id="714">714</span> +<span id="715">715</span> +<span id="716">716</span> +<span id="717">717</span> +<span id="718">718</span> +<span id="719">719</span> +<span id="720">720</span> +<span id="721">721</span> +<span id="722">722</span> +<span id="723">723</span> +<span id="724">724</span> +<span id="725">725</span> +<span id="726">726</span> +<span id="727">727</span> +<span id="728">728</span> +<span id="729">729</span> +<span id="730">730</span> +<span id="731">731</span> +<span id="732">732</span> +<span id="733">733</span> +<span id="734">734</span> +<span id="735">735</span> +<span id="736">736</span> +<span id="737">737</span> +<span id="738">738</span> +<span id="739">739</span> +<span id="740">740</span> +<span id="741">741</span> +<span id="742">742</span> +<span id="743">743</span> +<span id="744">744</span> +<span id="745">745</span> +<span id="746">746</span> +<span id="747">747</span> +<span id="748">748</span> +<span id="749">749</span> +<span id="750">750</span> +<span id="751">751</span> +<span id="752">752</span> +<span id="753">753</span> +<span id="754">754</span> +<span id="755">755</span> +<span id="756">756</span> +<span id="757">757</span> +<span id="758">758</span> +<span id="759">759</span> +<span id="760">760</span> +<span id="761">761</span> +<span id="762">762</span> +<span id="763">763</span> +<span id="764">764</span> +<span id="765">765</span> +<span id="766">766</span> +<span id="767">767</span> +<span id="768">768</span> +<span id="769">769</span> +<span id="770">770</span> +<span id="771">771</span> +<span id="772">772</span> +<span id="773">773</span> +<span id="774">774</span> +<span id="775">775</span> +<span id="776">776</span> +<span id="777">777</span> +<span id="778">778</span> +<span id="779">779</span> +<span id="780">780</span> +<span id="781">781</span> +<span id="782">782</span> +<span id="783">783</span> +<span id="784">784</span> +<span id="785">785</span> +<span id="786">786</span> +<span id="787">787</span> +<span id="788">788</span> +<span id="789">789</span> +<span id="790">790</span> +<span id="791">791</span> +<span id="792">792</span> +<span id="793">793</span> +<span id="794">794</span> +<span id="795">795</span> +<span id="796">796</span> +<span id="797">797</span> +<span id="798">798</span> +<span id="799">799</span> +<span id="800">800</span> +<span id="801">801</span> +<span id="802">802</span> +<span id="803">803</span> +<span id="804">804</span> +<span id="805">805</span> +<span id="806">806</span> +<span id="807">807</span> +<span id="808">808</span> +<span id="809">809</span> +<span id="810">810</span> +<span id="811">811</span> +<span id="812">812</span> +<span id="813">813</span> +<span id="814">814</span> +<span id="815">815</span> +<span id="816">816</span> +<span id="817">817</span> +<span id="818">818</span> +<span id="819">819</span> +<span id="820">820</span> +<span id="821">821</span> +<span id="822">822</span> +<span id="823">823</span> +<span id="824">824</span> +<span id="825">825</span> +<span id="826">826</span> +<span id="827">827</span> +<span id="828">828</span> +<span id="829">829</span> +<span id="830">830</span> +<span id="831">831</span> +<span id="832">832</span> +<span id="833">833</span> +</pre><pre class="rust"><code><span class="doccomment">//! x86_64-specific definitions for 64-bit linux-like values + +</span><span class="kw">pub type </span>c_char = i8; +<span class="kw">pub type </span>wchar_t = i32; +<span class="kw">pub type </span>nlink_t = u64; +<span class="kw">pub type </span>blksize_t = i64; +<span class="kw">pub type </span>greg_t = i64; +<span class="kw">pub type </span>suseconds_t = i64; +<span class="kw">pub type </span>__u64 = ::c_ulonglong; +<span class="kw">pub type </span>__s64 = ::c_longlong; + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>sigaction { + <span class="kw">pub </span>sa_sigaction: ::sighandler_t, + <span class="kw">pub </span>sa_mask: ::sigset_t, + <span class="attribute">#[cfg(target_arch = <span class="string">"sparc64"</span>)] + </span>__reserved0: ::c_int, + <span class="kw">pub </span>sa_flags: ::c_int, + <span class="kw">pub </span>sa_restorer: ::Option<<span class="kw">extern fn</span>()>, + } + + <span class="kw">pub struct </span>statfs { + <span class="kw">pub </span>f_type: ::__fsword_t, + <span class="kw">pub </span>f_bsize: ::__fsword_t, + <span class="kw">pub </span>f_blocks: ::fsblkcnt_t, + <span class="kw">pub </span>f_bfree: ::fsblkcnt_t, + <span class="kw">pub </span>f_bavail: ::fsblkcnt_t, + + <span class="kw">pub </span>f_files: ::fsfilcnt_t, + <span class="kw">pub </span>f_ffree: ::fsfilcnt_t, + <span class="kw">pub </span>f_fsid: ::fsid_t, + + <span class="kw">pub </span>f_namelen: ::__fsword_t, + <span class="kw">pub </span>f_frsize: ::__fsword_t, + f_spare: [::__fsword_t; <span class="number">5</span>], + } + + <span class="kw">pub struct </span>flock { + <span class="kw">pub </span>l_type: ::c_short, + <span class="kw">pub </span>l_whence: ::c_short, + <span class="kw">pub </span>l_start: ::off_t, + <span class="kw">pub </span>l_len: ::off_t, + <span class="kw">pub </span>l_pid: ::pid_t, + } + + <span class="kw">pub struct </span>flock64 { + <span class="kw">pub </span>l_type: ::c_short, + <span class="kw">pub </span>l_whence: ::c_short, + <span class="kw">pub </span>l_start: ::off64_t, + <span class="kw">pub </span>l_len: ::off64_t, + <span class="kw">pub </span>l_pid: ::pid_t, + } + + <span class="kw">pub struct </span>siginfo_t { + <span class="kw">pub </span>si_signo: ::c_int, + <span class="kw">pub </span>si_errno: ::c_int, + <span class="kw">pub </span>si_code: ::c_int, + <span class="attribute">#[doc(hidden)] + #[deprecated( + since=<span class="string">"0.2.54"</span>, + note=<span class="string">"Please leave a comment on \ + https://github.com/rust-lang/libc/pull/1316 if you're using \ + this field" + </span>)] + </span><span class="kw">pub </span>_pad: [::c_int; <span class="number">29</span>], + _align: [u64; <span class="number">0</span>], + } + + <span class="kw">pub struct </span>stack_t { + <span class="kw">pub </span>ss_sp: <span class="kw-2">*mut </span>::c_void, + <span class="kw">pub </span>ss_flags: ::c_int, + <span class="kw">pub </span>ss_size: ::size_t + } + + <span class="kw">pub struct </span>stat { + <span class="kw">pub </span>st_dev: ::dev_t, + <span class="kw">pub </span>st_ino: ::ino_t, + <span class="kw">pub </span>st_nlink: ::nlink_t, + <span class="kw">pub </span>st_mode: ::mode_t, + <span class="kw">pub </span>st_uid: ::uid_t, + <span class="kw">pub </span>st_gid: ::gid_t, + __pad0: ::c_int, + <span class="kw">pub </span>st_rdev: ::dev_t, + <span class="kw">pub </span>st_size: ::off_t, + <span class="kw">pub </span>st_blksize: ::blksize_t, + <span class="kw">pub </span>st_blocks: ::blkcnt_t, + <span class="kw">pub </span>st_atime: ::time_t, + <span class="kw">pub </span>st_atime_nsec: i64, + <span class="kw">pub </span>st_mtime: ::time_t, + <span class="kw">pub </span>st_mtime_nsec: i64, + <span class="kw">pub </span>st_ctime: ::time_t, + <span class="kw">pub </span>st_ctime_nsec: i64, + __unused: [i64; <span class="number">3</span>], + } + + <span class="kw">pub struct </span>stat64 { + <span class="kw">pub </span>st_dev: ::dev_t, + <span class="kw">pub </span>st_ino: ::ino64_t, + <span class="kw">pub </span>st_nlink: ::nlink_t, + <span class="kw">pub </span>st_mode: ::mode_t, + <span class="kw">pub </span>st_uid: ::uid_t, + <span class="kw">pub </span>st_gid: ::gid_t, + __pad0: ::c_int, + <span class="kw">pub </span>st_rdev: ::dev_t, + <span class="kw">pub </span>st_size: ::off_t, + <span class="kw">pub </span>st_blksize: ::blksize_t, + <span class="kw">pub </span>st_blocks: ::blkcnt64_t, + <span class="kw">pub </span>st_atime: ::time_t, + <span class="kw">pub </span>st_atime_nsec: i64, + <span class="kw">pub </span>st_mtime: ::time_t, + <span class="kw">pub </span>st_mtime_nsec: i64, + <span class="kw">pub </span>st_ctime: ::time_t, + <span class="kw">pub </span>st_ctime_nsec: i64, + __reserved: [i64; <span class="number">3</span>], + } + + <span class="kw">pub struct </span>statfs64 { + <span class="kw">pub </span>f_type: ::__fsword_t, + <span class="kw">pub </span>f_bsize: ::__fsword_t, + <span class="kw">pub </span>f_blocks: u64, + <span class="kw">pub </span>f_bfree: u64, + <span class="kw">pub </span>f_bavail: u64, + <span class="kw">pub </span>f_files: u64, + <span class="kw">pub </span>f_ffree: u64, + <span class="kw">pub </span>f_fsid: ::fsid_t, + <span class="kw">pub </span>f_namelen: ::__fsword_t, + <span class="kw">pub </span>f_frsize: ::__fsword_t, + <span class="kw">pub </span>f_flags: ::__fsword_t, + <span class="kw">pub </span>f_spare: [::__fsword_t; <span class="number">4</span>], + } + + <span class="kw">pub struct </span>statvfs64 { + <span class="kw">pub </span>f_bsize: ::c_ulong, + <span class="kw">pub </span>f_frsize: ::c_ulong, + <span class="kw">pub </span>f_blocks: u64, + <span class="kw">pub </span>f_bfree: u64, + <span class="kw">pub </span>f_bavail: u64, + <span class="kw">pub </span>f_files: u64, + <span class="kw">pub </span>f_ffree: u64, + <span class="kw">pub </span>f_favail: u64, + <span class="kw">pub </span>f_fsid: ::c_ulong, + <span class="kw">pub </span>f_flag: ::c_ulong, + <span class="kw">pub </span>f_namemax: ::c_ulong, + __f_spare: [::c_int; <span class="number">6</span>], + } + + <span class="kw">pub struct </span>pthread_attr_t { + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__size: [u32; <span class="number">8</span>], + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span>__size: [u64; <span class="number">7</span>] + } + + <span class="kw">pub struct </span>_libc_fpxreg { + <span class="kw">pub </span>significand: [u16; <span class="number">4</span>], + <span class="kw">pub </span>exponent: u16, + __private: [u16; <span class="number">3</span>], + } + + <span class="kw">pub struct </span>_libc_xmmreg { + <span class="kw">pub </span>element: [u32; <span class="number">4</span>], + } + + <span class="kw">pub struct </span>_libc_fpstate { + <span class="kw">pub </span>cwd: u16, + <span class="kw">pub </span>swd: u16, + <span class="kw">pub </span>ftw: u16, + <span class="kw">pub </span>fop: u16, + <span class="kw">pub </span>rip: u64, + <span class="kw">pub </span>rdp: u64, + <span class="kw">pub </span>mxcsr: u32, + <span class="kw">pub </span>mxcr_mask: u32, + <span class="kw">pub </span>_st: [_libc_fpxreg; <span class="number">8</span>], + <span class="kw">pub </span>_xmm: [_libc_xmmreg; <span class="number">16</span>], + __private: [u64; <span class="number">12</span>], + } + + <span class="kw">pub struct </span>user_regs_struct { + <span class="kw">pub </span>r15: ::c_ulonglong, + <span class="kw">pub </span>r14: ::c_ulonglong, + <span class="kw">pub </span>r13: ::c_ulonglong, + <span class="kw">pub </span>r12: ::c_ulonglong, + <span class="kw">pub </span>rbp: ::c_ulonglong, + <span class="kw">pub </span>rbx: ::c_ulonglong, + <span class="kw">pub </span>r11: ::c_ulonglong, + <span class="kw">pub </span>r10: ::c_ulonglong, + <span class="kw">pub </span>r9: ::c_ulonglong, + <span class="kw">pub </span>r8: ::c_ulonglong, + <span class="kw">pub </span>rax: ::c_ulonglong, + <span class="kw">pub </span>rcx: ::c_ulonglong, + <span class="kw">pub </span>rdx: ::c_ulonglong, + <span class="kw">pub </span>rsi: ::c_ulonglong, + <span class="kw">pub </span>rdi: ::c_ulonglong, + <span class="kw">pub </span>orig_rax: ::c_ulonglong, + <span class="kw">pub </span>rip: ::c_ulonglong, + <span class="kw">pub </span>cs: ::c_ulonglong, + <span class="kw">pub </span>eflags: ::c_ulonglong, + <span class="kw">pub </span>rsp: ::c_ulonglong, + <span class="kw">pub </span>ss: ::c_ulonglong, + <span class="kw">pub </span>fs_base: ::c_ulonglong, + <span class="kw">pub </span>gs_base: ::c_ulonglong, + <span class="kw">pub </span>ds: ::c_ulonglong, + <span class="kw">pub </span>es: ::c_ulonglong, + <span class="kw">pub </span>fs: ::c_ulonglong, + <span class="kw">pub </span>gs: ::c_ulonglong, + } + + <span class="kw">pub struct </span>user { + <span class="kw">pub </span>regs: user_regs_struct, + <span class="kw">pub </span>u_fpvalid: ::c_int, + <span class="kw">pub </span>i387: user_fpregs_struct, + <span class="kw">pub </span>u_tsize: ::c_ulonglong, + <span class="kw">pub </span>u_dsize: ::c_ulonglong, + <span class="kw">pub </span>u_ssize: ::c_ulonglong, + <span class="kw">pub </span>start_code: ::c_ulonglong, + <span class="kw">pub </span>start_stack: ::c_ulonglong, + <span class="kw">pub </span>signal: ::c_longlong, + __reserved: ::c_int, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__pad1: u32, + <span class="kw">pub </span>u_ar0: <span class="kw-2">*mut </span>user_regs_struct, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__pad2: u32, + <span class="kw">pub </span>u_fpstate: <span class="kw-2">*mut </span>user_fpregs_struct, + <span class="kw">pub </span>magic: ::c_ulonglong, + <span class="kw">pub </span>u_comm: [::c_char; <span class="number">32</span>], + <span class="kw">pub </span>u_debugreg: [::c_ulonglong; <span class="number">8</span>], + } + + <span class="kw">pub struct </span>mcontext_t { + <span class="kw">pub </span>gregs: [greg_t; <span class="number">23</span>], + <span class="kw">pub </span>fpregs: <span class="kw-2">*mut </span>_libc_fpstate, + __private: [u64; <span class="number">8</span>], + } + + <span class="kw">pub struct </span>ipc_perm { + <span class="kw">pub </span>__key: ::key_t, + <span class="kw">pub </span>uid: ::uid_t, + <span class="kw">pub </span>gid: ::gid_t, + <span class="kw">pub </span>cuid: ::uid_t, + <span class="kw">pub </span>cgid: ::gid_t, + <span class="kw">pub </span>mode: ::c_ushort, + __pad1: ::c_ushort, + <span class="kw">pub </span>__seq: ::c_ushort, + __pad2: ::c_ushort, + __unused1: u64, + __unused2: u64 + } + + <span class="kw">pub struct </span>shmid_ds { + <span class="kw">pub </span>shm_perm: ::ipc_perm, + <span class="kw">pub </span>shm_segsz: ::size_t, + <span class="kw">pub </span>shm_atime: ::time_t, + <span class="kw">pub </span>shm_dtime: ::time_t, + <span class="kw">pub </span>shm_ctime: ::time_t, + <span class="kw">pub </span>shm_cpid: ::pid_t, + <span class="kw">pub </span>shm_lpid: ::pid_t, + <span class="kw">pub </span>shm_nattch: ::shmatt_t, + __unused4: u64, + __unused5: u64 + } + + <span class="kw">pub struct </span>seccomp_notif_sizes { + <span class="kw">pub </span>seccomp_notif: ::__u16, + <span class="kw">pub </span>seccomp_notif_resp: ::__u16, + <span class="kw">pub </span>seccomp_data: ::__u16, + } + + <span class="kw">pub struct </span>ptrace_rseq_configuration { + <span class="kw">pub </span>rseq_abi_pointer: ::__u64, + <span class="kw">pub </span>rseq_abi_size: ::__u32, + <span class="kw">pub </span>signature: ::__u32, + <span class="kw">pub </span>flags: ::__u32, + <span class="kw">pub </span>pad: ::__u32, + } +} + +<span class="macro">s_no_extra_traits! </span>{ + <span class="kw">pub struct </span>user_fpregs_struct { + <span class="kw">pub </span>cwd: ::c_ushort, + <span class="kw">pub </span>swd: ::c_ushort, + <span class="kw">pub </span>ftw: ::c_ushort, + <span class="kw">pub </span>fop: ::c_ushort, + <span class="kw">pub </span>rip: ::c_ulonglong, + <span class="kw">pub </span>rdp: ::c_ulonglong, + <span class="kw">pub </span>mxcsr: ::c_uint, + <span class="kw">pub </span>mxcr_mask: ::c_uint, + <span class="kw">pub </span>st_space: [::c_uint; <span class="number">32</span>], + <span class="kw">pub </span>xmm_space: [::c_uint; <span class="number">64</span>], + padding: [::c_uint; <span class="number">24</span>], + } + + <span class="kw">pub struct </span>ucontext_t { + <span class="kw">pub </span>uc_flags: ::c_ulong, + <span class="kw">pub </span>uc_link: <span class="kw-2">*mut </span>ucontext_t, + <span class="kw">pub </span>uc_stack: ::stack_t, + <span class="kw">pub </span>uc_mcontext: mcontext_t, + <span class="kw">pub </span>uc_sigmask: ::sigset_t, + __private: [u8; <span class="number">512</span>], + <span class="comment">// FIXME: the shadow stack field requires glibc >= 2.28. + // Re-add once we drop compatibility with glibc versions older than + // 2.28. + // + // __ssp: [::c_ulonglong; 4], + </span>} +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"extra_traits"</span>)] </span>{ + <span class="kw">impl </span>PartialEq <span class="kw">for </span>user_fpregs_struct { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>user_fpregs_struct) -> bool { + <span class="self">self</span>.cwd == other.cwd + && <span class="self">self</span>.swd == other.swd + && <span class="self">self</span>.ftw == other.ftw + && <span class="self">self</span>.fop == other.fop + && <span class="self">self</span>.rip == other.rip + && <span class="self">self</span>.rdp == other.rdp + && <span class="self">self</span>.mxcsr == other.mxcsr + && <span class="self">self</span>.mxcr_mask == other.mxcr_mask + && <span class="self">self</span>.st_space == other.st_space + && <span class="self">self + </span>.xmm_space + .iter() + .zip(other.xmm_space.iter()) + .all(|(a,b)| a == b) + <span class="comment">// Ignore padding field + </span>} + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>user_fpregs_struct {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>user_fpregs_struct { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"user_fpregs_struct"</span>) + .field(<span class="string">"cwd"</span>, <span class="kw-2">&</span><span class="self">self</span>.cwd) + .field(<span class="string">"ftw"</span>, <span class="kw-2">&</span><span class="self">self</span>.ftw) + .field(<span class="string">"fop"</span>, <span class="kw-2">&</span><span class="self">self</span>.fop) + .field(<span class="string">"rip"</span>, <span class="kw-2">&</span><span class="self">self</span>.rip) + .field(<span class="string">"rdp"</span>, <span class="kw-2">&</span><span class="self">self</span>.rdp) + .field(<span class="string">"mxcsr"</span>, <span class="kw-2">&</span><span class="self">self</span>.mxcsr) + .field(<span class="string">"mxcr_mask"</span>, <span class="kw-2">&</span><span class="self">self</span>.mxcr_mask) + .field(<span class="string">"st_space"</span>, <span class="kw-2">&</span><span class="self">self</span>.st_space) + <span class="comment">// FIXME: .field("xmm_space", &self.xmm_space) + // Ignore padding field + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>user_fpregs_struct { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.cwd.hash(state); + <span class="self">self</span>.ftw.hash(state); + <span class="self">self</span>.fop.hash(state); + <span class="self">self</span>.rip.hash(state); + <span class="self">self</span>.rdp.hash(state); + <span class="self">self</span>.mxcsr.hash(state); + <span class="self">self</span>.mxcr_mask.hash(state); + <span class="self">self</span>.st_space.hash(state); + <span class="self">self</span>.xmm_space.hash(state); + <span class="comment">// Ignore padding field + </span>} + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>ucontext_t { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>ucontext_t) -> bool { + <span class="self">self</span>.uc_flags == other.uc_flags + && <span class="self">self</span>.uc_link == other.uc_link + && <span class="self">self</span>.uc_stack == other.uc_stack + && <span class="self">self</span>.uc_mcontext == other.uc_mcontext + && <span class="self">self</span>.uc_sigmask == other.uc_sigmask + <span class="comment">// Ignore __private field + </span>} + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>ucontext_t {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>ucontext_t { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"ucontext_t"</span>) + .field(<span class="string">"uc_flags"</span>, <span class="kw-2">&</span><span class="self">self</span>.uc_flags) + .field(<span class="string">"uc_link"</span>, <span class="kw-2">&</span><span class="self">self</span>.uc_link) + .field(<span class="string">"uc_stack"</span>, <span class="kw-2">&</span><span class="self">self</span>.uc_stack) + .field(<span class="string">"uc_mcontext"</span>, <span class="kw-2">&</span><span class="self">self</span>.uc_mcontext) + .field(<span class="string">"uc_sigmask"</span>, <span class="kw-2">&</span><span class="self">self</span>.uc_sigmask) + <span class="comment">// Ignore __private field + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>ucontext_t { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.uc_flags.hash(state); + <span class="self">self</span>.uc_link.hash(state); + <span class="self">self</span>.uc_stack.hash(state); + <span class="self">self</span>.uc_mcontext.hash(state); + <span class="self">self</span>.uc_sigmask.hash(state); + <span class="comment">// Ignore __private field + </span>} + } + } +} + +<span class="kw">pub const </span>POSIX_FADV_DONTNEED: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>POSIX_FADV_NOREUSE: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>VEOF: usize = <span class="number">4</span>; +<span class="kw">pub const </span>RTLD_DEEPBIND: ::c_int = <span class="number">0x8</span>; +<span class="kw">pub const </span>RTLD_GLOBAL: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>RTLD_NOLOAD: ::c_int = <span class="number">0x4</span>; + +<span class="kw">pub const </span>O_APPEND: ::c_int = <span class="number">1024</span>; +<span class="kw">pub const </span>O_CREAT: ::c_int = <span class="number">64</span>; +<span class="kw">pub const </span>O_EXCL: ::c_int = <span class="number">128</span>; +<span class="kw">pub const </span>O_NOCTTY: ::c_int = <span class="number">256</span>; +<span class="kw">pub const </span>O_NONBLOCK: ::c_int = <span class="number">2048</span>; +<span class="kw">pub const </span>O_SYNC: ::c_int = <span class="number">1052672</span>; +<span class="kw">pub const </span>O_RSYNC: ::c_int = <span class="number">1052672</span>; +<span class="kw">pub const </span>O_DSYNC: ::c_int = <span class="number">4096</span>; +<span class="kw">pub const </span>O_FSYNC: ::c_int = <span class="number">0x101000</span>; +<span class="kw">pub const </span>O_NOATIME: ::c_int = <span class="number">0o1000000</span>; +<span class="kw">pub const </span>O_PATH: ::c_int = <span class="number">0o10000000</span>; +<span class="kw">pub const </span>O_TMPFILE: ::c_int = <span class="number">0o20000000 </span>| O_DIRECTORY; + +<span class="kw">pub const </span>MADV_SOFT_OFFLINE: ::c_int = <span class="number">101</span>; +<span class="kw">pub const </span>MAP_GROWSDOWN: ::c_int = <span class="number">0x0100</span>; + +<span class="kw">pub const </span>EDEADLK: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>ENAMETOOLONG: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>ENOLCK: ::c_int = <span class="number">37</span>; +<span class="kw">pub const </span>ENOSYS: ::c_int = <span class="number">38</span>; +<span class="kw">pub const </span>ENOTEMPTY: ::c_int = <span class="number">39</span>; +<span class="kw">pub const </span>ELOOP: ::c_int = <span class="number">40</span>; +<span class="kw">pub const </span>ENOMSG: ::c_int = <span class="number">42</span>; +<span class="kw">pub const </span>EIDRM: ::c_int = <span class="number">43</span>; +<span class="kw">pub const </span>ECHRNG: ::c_int = <span class="number">44</span>; +<span class="kw">pub const </span>EL2NSYNC: ::c_int = <span class="number">45</span>; +<span class="kw">pub const </span>EL3HLT: ::c_int = <span class="number">46</span>; +<span class="kw">pub const </span>EL3RST: ::c_int = <span class="number">47</span>; +<span class="kw">pub const </span>ELNRNG: ::c_int = <span class="number">48</span>; +<span class="kw">pub const </span>EUNATCH: ::c_int = <span class="number">49</span>; +<span class="kw">pub const </span>ENOCSI: ::c_int = <span class="number">50</span>; +<span class="kw">pub const </span>EL2HLT: ::c_int = <span class="number">51</span>; +<span class="kw">pub const </span>EBADE: ::c_int = <span class="number">52</span>; +<span class="kw">pub const </span>EBADR: ::c_int = <span class="number">53</span>; +<span class="kw">pub const </span>EXFULL: ::c_int = <span class="number">54</span>; +<span class="kw">pub const </span>ENOANO: ::c_int = <span class="number">55</span>; +<span class="kw">pub const </span>EBADRQC: ::c_int = <span class="number">56</span>; +<span class="kw">pub const </span>EBADSLT: ::c_int = <span class="number">57</span>; +<span class="kw">pub const </span>EMULTIHOP: ::c_int = <span class="number">72</span>; +<span class="kw">pub const </span>EOVERFLOW: ::c_int = <span class="number">75</span>; +<span class="kw">pub const </span>ENOTUNIQ: ::c_int = <span class="number">76</span>; +<span class="kw">pub const </span>EBADFD: ::c_int = <span class="number">77</span>; +<span class="kw">pub const </span>EBADMSG: ::c_int = <span class="number">74</span>; +<span class="kw">pub const </span>EREMCHG: ::c_int = <span class="number">78</span>; +<span class="kw">pub const </span>ELIBACC: ::c_int = <span class="number">79</span>; +<span class="kw">pub const </span>ELIBBAD: ::c_int = <span class="number">80</span>; +<span class="kw">pub const </span>ELIBSCN: ::c_int = <span class="number">81</span>; +<span class="kw">pub const </span>ELIBMAX: ::c_int = <span class="number">82</span>; +<span class="kw">pub const </span>ELIBEXEC: ::c_int = <span class="number">83</span>; +<span class="kw">pub const </span>EILSEQ: ::c_int = <span class="number">84</span>; +<span class="kw">pub const </span>ERESTART: ::c_int = <span class="number">85</span>; +<span class="kw">pub const </span>ESTRPIPE: ::c_int = <span class="number">86</span>; +<span class="kw">pub const </span>EUSERS: ::c_int = <span class="number">87</span>; +<span class="kw">pub const </span>ENOTSOCK: ::c_int = <span class="number">88</span>; +<span class="kw">pub const </span>EDESTADDRREQ: ::c_int = <span class="number">89</span>; +<span class="kw">pub const </span>EMSGSIZE: ::c_int = <span class="number">90</span>; +<span class="kw">pub const </span>EPROTOTYPE: ::c_int = <span class="number">91</span>; +<span class="kw">pub const </span>ENOPROTOOPT: ::c_int = <span class="number">92</span>; +<span class="kw">pub const </span>EPROTONOSUPPORT: ::c_int = <span class="number">93</span>; +<span class="kw">pub const </span>ESOCKTNOSUPPORT: ::c_int = <span class="number">94</span>; +<span class="kw">pub const </span>EOPNOTSUPP: ::c_int = <span class="number">95</span>; +<span class="kw">pub const </span>EPFNOSUPPORT: ::c_int = <span class="number">96</span>; +<span class="kw">pub const </span>EAFNOSUPPORT: ::c_int = <span class="number">97</span>; +<span class="kw">pub const </span>EADDRINUSE: ::c_int = <span class="number">98</span>; +<span class="kw">pub const </span>EADDRNOTAVAIL: ::c_int = <span class="number">99</span>; +<span class="kw">pub const </span>ENETDOWN: ::c_int = <span class="number">100</span>; +<span class="kw">pub const </span>ENETUNREACH: ::c_int = <span class="number">101</span>; +<span class="kw">pub const </span>ENETRESET: ::c_int = <span class="number">102</span>; +<span class="kw">pub const </span>ECONNABORTED: ::c_int = <span class="number">103</span>; +<span class="kw">pub const </span>ECONNRESET: ::c_int = <span class="number">104</span>; +<span class="kw">pub const </span>ENOBUFS: ::c_int = <span class="number">105</span>; +<span class="kw">pub const </span>EISCONN: ::c_int = <span class="number">106</span>; +<span class="kw">pub const </span>ENOTCONN: ::c_int = <span class="number">107</span>; +<span class="kw">pub const </span>ESHUTDOWN: ::c_int = <span class="number">108</span>; +<span class="kw">pub const </span>ETOOMANYREFS: ::c_int = <span class="number">109</span>; +<span class="kw">pub const </span>ETIMEDOUT: ::c_int = <span class="number">110</span>; +<span class="kw">pub const </span>ECONNREFUSED: ::c_int = <span class="number">111</span>; +<span class="kw">pub const </span>EHOSTDOWN: ::c_int = <span class="number">112</span>; +<span class="kw">pub const </span>EHOSTUNREACH: ::c_int = <span class="number">113</span>; +<span class="kw">pub const </span>EALREADY: ::c_int = <span class="number">114</span>; +<span class="kw">pub const </span>EINPROGRESS: ::c_int = <span class="number">115</span>; +<span class="kw">pub const </span>ESTALE: ::c_int = <span class="number">116</span>; +<span class="kw">pub const </span>EDQUOT: ::c_int = <span class="number">122</span>; +<span class="kw">pub const </span>ENOMEDIUM: ::c_int = <span class="number">123</span>; +<span class="kw">pub const </span>EMEDIUMTYPE: ::c_int = <span class="number">124</span>; +<span class="kw">pub const </span>ECANCELED: ::c_int = <span class="number">125</span>; +<span class="kw">pub const </span>ENOKEY: ::c_int = <span class="number">126</span>; +<span class="kw">pub const </span>EKEYEXPIRED: ::c_int = <span class="number">127</span>; +<span class="kw">pub const </span>EKEYREVOKED: ::c_int = <span class="number">128</span>; +<span class="kw">pub const </span>EKEYREJECTED: ::c_int = <span class="number">129</span>; +<span class="kw">pub const </span>EOWNERDEAD: ::c_int = <span class="number">130</span>; +<span class="kw">pub const </span>ENOTRECOVERABLE: ::c_int = <span class="number">131</span>; +<span class="kw">pub const </span>EHWPOISON: ::c_int = <span class="number">133</span>; +<span class="kw">pub const </span>ERFKILL: ::c_int = <span class="number">132</span>; + +<span class="kw">pub const </span>SOCK_STREAM: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SOCK_DGRAM: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>SA_ONSTACK: ::c_int = <span class="number">0x08000000</span>; +<span class="kw">pub const </span>SA_SIGINFO: ::c_int = <span class="number">0x00000004</span>; +<span class="kw">pub const </span>SA_NOCLDWAIT: ::c_int = <span class="number">0x00000002</span>; + +<span class="kw">pub const </span>SIGTTIN: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>SIGTTOU: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>SIGXCPU: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>SIGXFSZ: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>SIGVTALRM: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>SIGPROF: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>SIGWINCH: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>SIGCHLD: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>SIGBUS: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>SIGUSR1: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>SIGUSR2: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>SIGCONT: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>SIGSTOP: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>SIGTSTP: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>SIGURG: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>SIGIO: ::c_int = <span class="number">29</span>; +<span class="kw">pub const </span>SIGSYS: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>SIGSTKFLT: ::c_int = <span class="number">16</span>; +<span class="attribute">#[deprecated(since = <span class="string">"0.2.55"</span>, note = <span class="string">"Use SIGSYS instead"</span>)] +</span><span class="kw">pub const </span>SIGUNUSED: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>SIGPOLL: ::c_int = <span class="number">29</span>; +<span class="kw">pub const </span>SIGPWR: ::c_int = <span class="number">30</span>; +<span class="kw">pub const </span>SIG_SETMASK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SIG_BLOCK: ::c_int = <span class="number">0x000000</span>; +<span class="kw">pub const </span>SIG_UNBLOCK: ::c_int = <span class="number">0x01</span>; + +<span class="kw">pub const </span>POLLWRNORM: ::c_short = <span class="number">0x100</span>; +<span class="kw">pub const </span>POLLWRBAND: ::c_short = <span class="number">0x200</span>; + +<span class="kw">pub const </span>O_ASYNC: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>O_NDELAY: ::c_int = <span class="number">0x800</span>; + +<span class="kw">pub const </span>PTRACE_DETACH: ::c_uint = <span class="number">17</span>; +<span class="kw">pub const </span>PTRACE_GET_RSEQ_CONFIGURATION: ::c_uint = <span class="number">0x420f</span>; + +<span class="kw">pub const </span>EFD_NONBLOCK: ::c_int = <span class="number">0x800</span>; + +<span class="kw">pub const </span>F_GETLK: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>F_GETOWN: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>F_SETOWN: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>F_SETLK: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>F_SETLKW: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>F_OFD_GETLK: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>F_OFD_SETLK: ::c_int = <span class="number">37</span>; +<span class="kw">pub const </span>F_OFD_SETLKW: ::c_int = <span class="number">38</span>; + +<span class="kw">pub const </span>F_RDLCK: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>F_WRLCK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>F_UNLCK: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>SFD_NONBLOCK: ::c_int = <span class="number">0x0800</span>; + +<span class="kw">pub const </span>TCSANOW: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>TCSADRAIN: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>TCSAFLUSH: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>SFD_CLOEXEC: ::c_int = <span class="number">0x080000</span>; + +<span class="kw">pub const </span>NCCS: usize = <span class="number">32</span>; + +<span class="kw">pub const </span>O_TRUNC: ::c_int = <span class="number">512</span>; + +<span class="kw">pub const </span>O_CLOEXEC: ::c_int = <span class="number">0x80000</span>; + +<span class="kw">pub const </span>EBFONT: ::c_int = <span class="number">59</span>; +<span class="kw">pub const </span>ENOSTR: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>ENODATA: ::c_int = <span class="number">61</span>; +<span class="kw">pub const </span>ETIME: ::c_int = <span class="number">62</span>; +<span class="kw">pub const </span>ENOSR: ::c_int = <span class="number">63</span>; +<span class="kw">pub const </span>ENONET: ::c_int = <span class="number">64</span>; +<span class="kw">pub const </span>ENOPKG: ::c_int = <span class="number">65</span>; +<span class="kw">pub const </span>EREMOTE: ::c_int = <span class="number">66</span>; +<span class="kw">pub const </span>ENOLINK: ::c_int = <span class="number">67</span>; +<span class="kw">pub const </span>EADV: ::c_int = <span class="number">68</span>; +<span class="kw">pub const </span>ESRMNT: ::c_int = <span class="number">69</span>; +<span class="kw">pub const </span>ECOMM: ::c_int = <span class="number">70</span>; +<span class="kw">pub const </span>EPROTO: ::c_int = <span class="number">71</span>; +<span class="kw">pub const </span>EDOTDOT: ::c_int = <span class="number">73</span>; + +<span class="kw">pub const </span>SA_NODEFER: ::c_int = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>SA_RESETHAND: ::c_int = <span class="number">0x80000000</span>; +<span class="kw">pub const </span>SA_RESTART: ::c_int = <span class="number">0x10000000</span>; +<span class="kw">pub const </span>SA_NOCLDSTOP: ::c_int = <span class="number">0x00000001</span>; + +<span class="kw">pub const </span>EPOLL_CLOEXEC: ::c_int = <span class="number">0x80000</span>; + +<span class="kw">pub const </span>EFD_CLOEXEC: ::c_int = <span class="number">0x80000</span>; + +<span class="kw">pub const </span>__SIZEOF_PTHREAD_CONDATTR_T: usize = <span class="number">4</span>; +<span class="kw">pub const </span>__SIZEOF_PTHREAD_MUTEXATTR_T: usize = <span class="number">4</span>; + +<span class="kw">pub const </span>O_DIRECT: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>O_DIRECTORY: ::c_int = <span class="number">0x10000</span>; +<span class="kw">pub const </span>O_NOFOLLOW: ::c_int = <span class="number">0x20000</span>; + +<span class="kw">pub const </span>MAP_HUGETLB: ::c_int = <span class="number">0x040000</span>; +<span class="kw">pub const </span>MAP_LOCKED: ::c_int = <span class="number">0x02000</span>; +<span class="kw">pub const </span>MAP_NORESERVE: ::c_int = <span class="number">0x04000</span>; +<span class="kw">pub const </span>MAP_32BIT: ::c_int = <span class="number">0x0040</span>; +<span class="kw">pub const </span>MAP_ANON: ::c_int = <span class="number">0x0020</span>; +<span class="kw">pub const </span>MAP_ANONYMOUS: ::c_int = <span class="number">0x0020</span>; +<span class="kw">pub const </span>MAP_DENYWRITE: ::c_int = <span class="number">0x0800</span>; +<span class="kw">pub const </span>MAP_EXECUTABLE: ::c_int = <span class="number">0x01000</span>; +<span class="kw">pub const </span>MAP_POPULATE: ::c_int = <span class="number">0x08000</span>; +<span class="kw">pub const </span>MAP_NONBLOCK: ::c_int = <span class="number">0x010000</span>; +<span class="kw">pub const </span>MAP_STACK: ::c_int = <span class="number">0x020000</span>; +<span class="kw">pub const </span>MAP_SYNC: ::c_int = <span class="number">0x080000</span>; + +<span class="kw">pub const </span>EDEADLOCK: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>EUCLEAN: ::c_int = <span class="number">117</span>; +<span class="kw">pub const </span>ENOTNAM: ::c_int = <span class="number">118</span>; +<span class="kw">pub const </span>ENAVAIL: ::c_int = <span class="number">119</span>; +<span class="kw">pub const </span>EISNAM: ::c_int = <span class="number">120</span>; +<span class="kw">pub const </span>EREMOTEIO: ::c_int = <span class="number">121</span>; + +<span class="kw">pub const </span>PTRACE_GETFPREGS: ::c_uint = <span class="number">14</span>; +<span class="kw">pub const </span>PTRACE_SETFPREGS: ::c_uint = <span class="number">15</span>; +<span class="kw">pub const </span>PTRACE_GETFPXREGS: ::c_uint = <span class="number">18</span>; +<span class="kw">pub const </span>PTRACE_SETFPXREGS: ::c_uint = <span class="number">19</span>; +<span class="kw">pub const </span>PTRACE_GETREGS: ::c_uint = <span class="number">12</span>; +<span class="kw">pub const </span>PTRACE_SETREGS: ::c_uint = <span class="number">13</span>; +<span class="kw">pub const </span>PTRACE_PEEKSIGINFO_SHARED: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>PTRACE_SYSEMU: ::c_uint = <span class="number">31</span>; +<span class="kw">pub const </span>PTRACE_SYSEMU_SINGLESTEP: ::c_uint = <span class="number">32</span>; + +<span class="kw">pub const </span>PR_GET_SPECULATION_CTRL: ::c_int = <span class="number">52</span>; +<span class="kw">pub const </span>PR_SET_SPECULATION_CTRL: ::c_int = <span class="number">53</span>; +<span class="kw">pub const </span>PR_SPEC_NOT_AFFECTED: ::c_uint = <span class="number">0</span>; +<span class="kw">pub const </span>PR_SPEC_PRCTL: ::c_uint = <span class="number">1 </span><< <span class="number">0</span>; +<span class="kw">pub const </span>PR_SPEC_ENABLE: ::c_uint = <span class="number">1 </span><< <span class="number">1</span>; +<span class="kw">pub const </span>PR_SPEC_DISABLE: ::c_uint = <span class="number">1 </span><< <span class="number">2</span>; +<span class="kw">pub const </span>PR_SPEC_FORCE_DISABLE: ::c_uint = <span class="number">1 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>PR_SPEC_DISABLE_NOEXEC: ::c_uint = <span class="number">1 </span><< <span class="number">4</span>; +<span class="kw">pub const </span>PR_SPEC_STORE_BYPASS: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PR_SPEC_INDIRECT_BRANCH: ::c_int = <span class="number">1</span>; +<span class="comment">// FIXME: perharps for later +//pub const PR_SPEC_L1D_FLUSH: ::c_int = 2; + +</span><span class="kw">pub const </span>MCL_CURRENT: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>MCL_FUTURE: ::c_int = <span class="number">0x0002</span>; + +<span class="kw">pub const </span>SIGSTKSZ: ::size_t = <span class="number">8192</span>; +<span class="kw">pub const </span>MINSIGSTKSZ: ::size_t = <span class="number">2048</span>; +<span class="kw">pub const </span>CBAUD: ::tcflag_t = <span class="number">0o0010017</span>; +<span class="kw">pub const </span>TAB1: ::tcflag_t = <span class="number">0x00000800</span>; +<span class="kw">pub const </span>TAB2: ::tcflag_t = <span class="number">0x00001000</span>; +<span class="kw">pub const </span>TAB3: ::tcflag_t = <span class="number">0x00001800</span>; +<span class="kw">pub const </span>CR1: ::tcflag_t = <span class="number">0x00000200</span>; +<span class="kw">pub const </span>CR2: ::tcflag_t = <span class="number">0x00000400</span>; +<span class="kw">pub const </span>CR3: ::tcflag_t = <span class="number">0x00000600</span>; +<span class="kw">pub const </span>FF1: ::tcflag_t = <span class="number">0x00008000</span>; +<span class="kw">pub const </span>BS1: ::tcflag_t = <span class="number">0x00002000</span>; +<span class="kw">pub const </span>VT1: ::tcflag_t = <span class="number">0x00004000</span>; +<span class="kw">pub const </span>VWERASE: usize = <span class="number">14</span>; +<span class="kw">pub const </span>VREPRINT: usize = <span class="number">12</span>; +<span class="kw">pub const </span>VSUSP: usize = <span class="number">10</span>; +<span class="kw">pub const </span>VSTART: usize = <span class="number">8</span>; +<span class="kw">pub const </span>VSTOP: usize = <span class="number">9</span>; +<span class="kw">pub const </span>VDISCARD: usize = <span class="number">13</span>; +<span class="kw">pub const </span>VTIME: usize = <span class="number">5</span>; +<span class="kw">pub const </span>IXON: ::tcflag_t = <span class="number">0x00000400</span>; +<span class="kw">pub const </span>IXOFF: ::tcflag_t = <span class="number">0x00001000</span>; +<span class="kw">pub const </span>ONLCR: ::tcflag_t = <span class="number">0x4</span>; +<span class="kw">pub const </span>CSIZE: ::tcflag_t = <span class="number">0x00000030</span>; +<span class="kw">pub const </span>CS6: ::tcflag_t = <span class="number">0x00000010</span>; +<span class="kw">pub const </span>CS7: ::tcflag_t = <span class="number">0x00000020</span>; +<span class="kw">pub const </span>CS8: ::tcflag_t = <span class="number">0x00000030</span>; +<span class="kw">pub const </span>CSTOPB: ::tcflag_t = <span class="number">0x00000040</span>; +<span class="kw">pub const </span>CREAD: ::tcflag_t = <span class="number">0x00000080</span>; +<span class="kw">pub const </span>PARENB: ::tcflag_t = <span class="number">0x00000100</span>; +<span class="kw">pub const </span>PARODD: ::tcflag_t = <span class="number">0x00000200</span>; +<span class="kw">pub const </span>HUPCL: ::tcflag_t = <span class="number">0x00000400</span>; +<span class="kw">pub const </span>CLOCAL: ::tcflag_t = <span class="number">0x00000800</span>; +<span class="kw">pub const </span>ECHOKE: ::tcflag_t = <span class="number">0x00000800</span>; +<span class="kw">pub const </span>ECHOE: ::tcflag_t = <span class="number">0x00000010</span>; +<span class="kw">pub const </span>ECHOK: ::tcflag_t = <span class="number">0x00000020</span>; +<span class="kw">pub const </span>ECHONL: ::tcflag_t = <span class="number">0x00000040</span>; +<span class="kw">pub const </span>ECHOPRT: ::tcflag_t = <span class="number">0x00000400</span>; +<span class="kw">pub const </span>ECHOCTL: ::tcflag_t = <span class="number">0x00000200</span>; +<span class="kw">pub const </span>ISIG: ::tcflag_t = <span class="number">0x00000001</span>; +<span class="kw">pub const </span>ICANON: ::tcflag_t = <span class="number">0x00000002</span>; +<span class="kw">pub const </span>PENDIN: ::tcflag_t = <span class="number">0x00004000</span>; +<span class="kw">pub const </span>NOFLSH: ::tcflag_t = <span class="number">0x00000080</span>; +<span class="kw">pub const </span>CIBAUD: ::tcflag_t = <span class="number">0o02003600000</span>; +<span class="kw">pub const </span>CBAUDEX: ::tcflag_t = <span class="number">0o010000</span>; +<span class="kw">pub const </span>VSWTC: usize = <span class="number">7</span>; +<span class="kw">pub const </span>OLCUC: ::tcflag_t = <span class="number">0o000002</span>; +<span class="kw">pub const </span>NLDLY: ::tcflag_t = <span class="number">0o000400</span>; +<span class="kw">pub const </span>CRDLY: ::tcflag_t = <span class="number">0o003000</span>; +<span class="kw">pub const </span>TABDLY: ::tcflag_t = <span class="number">0o014000</span>; +<span class="kw">pub const </span>BSDLY: ::tcflag_t = <span class="number">0o020000</span>; +<span class="kw">pub const </span>FFDLY: ::tcflag_t = <span class="number">0o100000</span>; +<span class="kw">pub const </span>VTDLY: ::tcflag_t = <span class="number">0o040000</span>; +<span class="kw">pub const </span>XTABS: ::tcflag_t = <span class="number">0o014000</span>; + +<span class="kw">pub const </span>B0: ::speed_t = <span class="number">0o000000</span>; +<span class="kw">pub const </span>B50: ::speed_t = <span class="number">0o000001</span>; +<span class="kw">pub const </span>B75: ::speed_t = <span class="number">0o000002</span>; +<span class="kw">pub const </span>B110: ::speed_t = <span class="number">0o000003</span>; +<span class="kw">pub const </span>B134: ::speed_t = <span class="number">0o000004</span>; +<span class="kw">pub const </span>B150: ::speed_t = <span class="number">0o000005</span>; +<span class="kw">pub const </span>B200: ::speed_t = <span class="number">0o000006</span>; +<span class="kw">pub const </span>B300: ::speed_t = <span class="number">0o000007</span>; +<span class="kw">pub const </span>B600: ::speed_t = <span class="number">0o000010</span>; +<span class="kw">pub const </span>B1200: ::speed_t = <span class="number">0o000011</span>; +<span class="kw">pub const </span>B1800: ::speed_t = <span class="number">0o000012</span>; +<span class="kw">pub const </span>B2400: ::speed_t = <span class="number">0o000013</span>; +<span class="kw">pub const </span>B4800: ::speed_t = <span class="number">0o000014</span>; +<span class="kw">pub const </span>B9600: ::speed_t = <span class="number">0o000015</span>; +<span class="kw">pub const </span>B19200: ::speed_t = <span class="number">0o000016</span>; +<span class="kw">pub const </span>B38400: ::speed_t = <span class="number">0o000017</span>; +<span class="kw">pub const </span>EXTA: ::speed_t = B19200; +<span class="kw">pub const </span>EXTB: ::speed_t = B38400; +<span class="kw">pub const </span>B57600: ::speed_t = <span class="number">0o010001</span>; +<span class="kw">pub const </span>B115200: ::speed_t = <span class="number">0o010002</span>; +<span class="kw">pub const </span>B230400: ::speed_t = <span class="number">0o010003</span>; +<span class="kw">pub const </span>B460800: ::speed_t = <span class="number">0o010004</span>; +<span class="kw">pub const </span>B500000: ::speed_t = <span class="number">0o010005</span>; +<span class="kw">pub const </span>B576000: ::speed_t = <span class="number">0o010006</span>; +<span class="kw">pub const </span>B921600: ::speed_t = <span class="number">0o010007</span>; +<span class="kw">pub const </span>B1000000: ::speed_t = <span class="number">0o010010</span>; +<span class="kw">pub const </span>B1152000: ::speed_t = <span class="number">0o010011</span>; +<span class="kw">pub const </span>B1500000: ::speed_t = <span class="number">0o010012</span>; +<span class="kw">pub const </span>B2000000: ::speed_t = <span class="number">0o010013</span>; +<span class="kw">pub const </span>B2500000: ::speed_t = <span class="number">0o010014</span>; +<span class="kw">pub const </span>B3000000: ::speed_t = <span class="number">0o010015</span>; +<span class="kw">pub const </span>B3500000: ::speed_t = <span class="number">0o010016</span>; +<span class="kw">pub const </span>B4000000: ::speed_t = <span class="number">0o010017</span>; + +<span class="kw">pub const </span>VEOL: usize = <span class="number">11</span>; +<span class="kw">pub const </span>VEOL2: usize = <span class="number">16</span>; +<span class="kw">pub const </span>VMIN: usize = <span class="number">6</span>; +<span class="kw">pub const </span>IEXTEN: ::tcflag_t = <span class="number">0x00008000</span>; +<span class="kw">pub const </span>TOSTOP: ::tcflag_t = <span class="number">0x00000100</span>; +<span class="kw">pub const </span>FLUSHO: ::tcflag_t = <span class="number">0x00001000</span>; +<span class="kw">pub const </span>EXTPROC: ::tcflag_t = <span class="number">0x00010000</span>; + +<span class="comment">// offsets in user_regs_structs, from sys/reg.h +</span><span class="kw">pub const </span>R15: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>R14: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>R13: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>R12: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>RBP: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>RBX: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>R11: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>R10: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>R9: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>R8: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>RAX: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>RCX: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>RDX: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>RSI: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>RDI: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>ORIG_RAX: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>RIP: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>CS: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>EFLAGS: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>RSP: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>SS: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>FS_BASE: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>GS_BASE: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>DS: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>ES: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>FS: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>GS: ::c_int = <span class="number">26</span>; + +<span class="comment">// offsets in mcontext_t.gregs from sys/ucontext.h +</span><span class="kw">pub const </span>REG_R8: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>REG_R9: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>REG_R10: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>REG_R11: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>REG_R12: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>REG_R13: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>REG_R14: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>REG_R15: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>REG_RDI: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>REG_RSI: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>REG_RBP: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>REG_RBX: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>REG_RDX: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>REG_RAX: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>REG_RCX: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>REG_RSP: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>REG_RIP: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>REG_EFL: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>REG_CSGSFS: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>REG_ERR: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>REG_TRAPNO: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>REG_OLDMASK: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>REG_CR2: ::c_int = <span class="number">22</span>; + +<span class="kw">pub const </span>SECCOMP_SET_MODE_STRICT: ::c_uint = <span class="number">0</span>; +<span class="kw">pub const </span>SECCOMP_SET_MODE_FILTER: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>SECCOMP_GET_ACTION_AVAIL: ::c_uint = <span class="number">2</span>; +<span class="kw">pub const </span>SECCOMP_GET_NOTIF_SIZES: ::c_uint = <span class="number">3</span>; + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>getcontext(ucp: <span class="kw-2">*mut </span>ucontext_t) -> ::c_int; + <span class="kw">pub fn </span>setcontext(ucp: <span class="kw-2">*const </span>ucontext_t) -> ::c_int; + <span class="kw">pub fn </span>makecontext(ucp: <span class="kw-2">*mut </span>ucontext_t, func: <span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(), argc: ::c_int, ...); + <span class="kw">pub fn </span>swapcontext(uocp: <span class="kw-2">*mut </span>ucontext_t, ucp: <span class="kw-2">*const </span>ucontext_t) -> ::c_int; + <span class="kw">pub fn </span>iopl(level: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>ioperm(from: ::c_ulong, num: ::c_ulong, turn_on: ::c_int) -> ::c_int; +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] </span>{ + <span class="kw">mod </span>x32; + <span class="kw">pub use </span><span class="self">self</span>::x32::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="kw">mod </span>not_x32; + <span class="kw">pub use </span><span class="self">self</span>::not_x32::<span class="kw-2">*</span>; + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_align)] </span>{ + <span class="kw">mod </span>align; + <span class="kw">pub use </span><span class="self">self</span>::align::<span class="kw-2">*</span>; + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
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class="sub-logo-container" href="../../../../../../../../libc/index.html"><img class="rust-logo" src="../../../../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span 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id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +<span id="177">177</span> +<span id="178">178</span> +<span id="179">179</span> +<span id="180">180</span> +<span id="181">181</span> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +<span id="219">219</span> +<span id="220">220</span> +<span id="221">221</span> +<span id="222">222</span> +<span id="223">223</span> +<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +<span id="323">323</span> +<span id="324">324</span> +<span id="325">325</span> +<span id="326">326</span> +<span id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +<span id="344">344</span> +<span id="345">345</span> +<span id="346">346</span> +<span id="347">347</span> +<span id="348">348</span> +<span id="349">349</span> +<span id="350">350</span> +<span id="351">351</span> +<span id="352">352</span> +<span id="353">353</span> +<span id="354">354</span> +<span id="355">355</span> +<span id="356">356</span> +<span id="357">357</span> +<span id="358">358</span> +<span id="359">359</span> +<span id="360">360</span> +<span id="361">361</span> +<span id="362">362</span> +<span id="363">363</span> +<span id="364">364</span> +<span id="365">365</span> +<span id="366">366</span> +<span id="367">367</span> +<span id="368">368</span> +<span id="369">369</span> +<span id="370">370</span> +<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +<span id="387">387</span> +<span id="388">388</span> +<span id="389">389</span> +<span id="390">390</span> +<span id="391">391</span> +<span id="392">392</span> +<span id="393">393</span> +<span id="394">394</span> +<span id="395">395</span> +<span id="396">396</span> +<span id="397">397</span> +<span id="398">398</span> +<span id="399">399</span> +<span id="400">400</span> +<span id="401">401</span> +<span id="402">402</span> +<span id="403">403</span> +<span id="404">404</span> +<span id="405">405</span> +<span id="406">406</span> +<span id="407">407</span> +<span id="408">408</span> +<span id="409">409</span> +<span id="410">410</span> +<span id="411">411</span> +<span id="412">412</span> +<span id="413">413</span> +<span id="414">414</span> +<span id="415">415</span> +<span id="416">416</span> +<span id="417">417</span> +<span id="418">418</span> +<span id="419">419</span> +<span id="420">420</span> +<span id="421">421</span> +<span id="422">422</span> +<span id="423">423</span> +<span id="424">424</span> +<span id="425">425</span> +<span id="426">426</span> +<span id="427">427</span> +<span id="428">428</span> +<span id="429">429</span> +<span id="430">430</span> +<span id="431">431</span> +<span id="432">432</span> +<span id="433">433</span> +<span id="434">434</span> +<span id="435">435</span> +<span id="436">436</span> +<span id="437">437</span> +<span id="438">438</span> +<span id="439">439</span> +<span id="440">440</span> +<span id="441">441</span> +<span id="442">442</span> +<span id="443">443</span> +<span id="444">444</span> +<span id="445">445</span> +<span id="446">446</span> +<span id="447">447</span> +<span id="448">448</span> +<span id="449">449</span> +<span id="450">450</span> +</pre><pre class="rust"><code><span class="kw">use </span>pthread_mutex_t; + +<span class="kw">pub type </span>c_long = i64; +<span class="kw">pub type </span>c_ulong = u64; + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>statvfs { + <span class="kw">pub </span>f_bsize: ::c_ulong, + <span class="kw">pub </span>f_frsize: ::c_ulong, + <span class="kw">pub </span>f_blocks: ::fsblkcnt_t, + <span class="kw">pub </span>f_bfree: ::fsblkcnt_t, + <span class="kw">pub </span>f_bavail: ::fsblkcnt_t, + <span class="kw">pub </span>f_files: ::fsfilcnt_t, + <span class="kw">pub </span>f_ffree: ::fsfilcnt_t, + <span class="kw">pub </span>f_favail: ::fsfilcnt_t, + <span class="kw">pub </span>f_fsid: ::c_ulong, + <span class="kw">pub </span>f_flag: ::c_ulong, + <span class="kw">pub </span>f_namemax: ::c_ulong, + __f_spare: [::c_int; <span class="number">6</span>], + } +} + +<span class="kw">pub const </span>__SIZEOF_PTHREAD_MUTEX_T: usize = <span class="number">40</span>; +<span class="kw">pub const </span>__SIZEOF_PTHREAD_RWLOCK_T: usize = <span class="number">56</span>; + +<span class="macro">align_const! </span>{ + <span class="attribute">#[cfg(target_endian = <span class="string">"little"</span>)] + </span><span class="kw">pub const </span>PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP: ::pthread_mutex_t = + pthread_mutex_t { + size: [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ], + }; + <span class="attribute">#[cfg(target_endian = <span class="string">"little"</span>)] + </span><span class="kw">pub const </span>PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP: ::pthread_mutex_t = + pthread_mutex_t { + size: [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ], + }; + <span class="attribute">#[cfg(target_endian = <span class="string">"little"</span>)] + </span><span class="kw">pub const </span>PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP: ::pthread_mutex_t = + pthread_mutex_t { + size: [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ], + }; + <span class="attribute">#[cfg(target_endian = <span class="string">"big"</span>)] + </span><span class="kw">pub const </span>PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP: ::pthread_mutex_t = + pthread_mutex_t { + size: [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ], + }; + <span class="attribute">#[cfg(target_endian = <span class="string">"big"</span>)] + </span><span class="kw">pub const </span>PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP: ::pthread_mutex_t = + pthread_mutex_t { + size: [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ], + }; + <span class="attribute">#[cfg(target_endian = <span class="string">"big"</span>)] + </span><span class="kw">pub const </span>PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP: ::pthread_mutex_t = + pthread_mutex_t { + size: [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ], + }; +} + +<span class="comment">// Syscall table + +</span><span class="kw">pub const </span>SYS_read: ::c_long = <span class="number">0</span>; +<span class="kw">pub const </span>SYS_write: ::c_long = <span class="number">1</span>; +<span class="kw">pub const </span>SYS_open: ::c_long = <span class="number">2</span>; +<span class="kw">pub const </span>SYS_close: ::c_long = <span class="number">3</span>; +<span class="kw">pub const </span>SYS_stat: ::c_long = <span class="number">4</span>; +<span class="kw">pub const </span>SYS_fstat: ::c_long = <span class="number">5</span>; +<span class="kw">pub const </span>SYS_lstat: ::c_long = <span class="number">6</span>; +<span class="kw">pub const </span>SYS_poll: ::c_long = <span class="number">7</span>; +<span class="kw">pub const </span>SYS_lseek: ::c_long = <span class="number">8</span>; +<span class="kw">pub const </span>SYS_mmap: ::c_long = <span class="number">9</span>; +<span class="kw">pub const </span>SYS_mprotect: ::c_long = <span class="number">10</span>; +<span class="kw">pub const </span>SYS_munmap: ::c_long = <span class="number">11</span>; +<span class="kw">pub const </span>SYS_brk: ::c_long = <span class="number">12</span>; +<span class="kw">pub const </span>SYS_rt_sigaction: ::c_long = <span class="number">13</span>; +<span class="kw">pub const </span>SYS_rt_sigprocmask: ::c_long = <span class="number">14</span>; +<span class="kw">pub const </span>SYS_rt_sigreturn: ::c_long = <span class="number">15</span>; +<span class="kw">pub const </span>SYS_ioctl: ::c_long = <span class="number">16</span>; +<span class="kw">pub const </span>SYS_pread64: ::c_long = <span class="number">17</span>; +<span class="kw">pub const </span>SYS_pwrite64: ::c_long = <span class="number">18</span>; +<span class="kw">pub const </span>SYS_readv: ::c_long = <span class="number">19</span>; +<span class="kw">pub const </span>SYS_writev: ::c_long = <span class="number">20</span>; +<span class="kw">pub const </span>SYS_access: ::c_long = <span class="number">21</span>; +<span class="kw">pub const </span>SYS_pipe: ::c_long = <span class="number">22</span>; +<span class="kw">pub const </span>SYS_select: ::c_long = <span class="number">23</span>; +<span class="kw">pub const </span>SYS_sched_yield: ::c_long = <span class="number">24</span>; +<span class="kw">pub const </span>SYS_mremap: ::c_long = <span class="number">25</span>; +<span class="kw">pub const </span>SYS_msync: ::c_long = <span class="number">26</span>; +<span class="kw">pub const </span>SYS_mincore: ::c_long = <span class="number">27</span>; +<span class="kw">pub const </span>SYS_madvise: ::c_long = <span class="number">28</span>; +<span class="kw">pub const </span>SYS_shmget: ::c_long = <span class="number">29</span>; +<span class="kw">pub const </span>SYS_shmat: ::c_long = <span class="number">30</span>; +<span class="kw">pub const </span>SYS_shmctl: ::c_long = <span class="number">31</span>; +<span class="kw">pub const </span>SYS_dup: ::c_long = <span class="number">32</span>; +<span class="kw">pub const </span>SYS_dup2: ::c_long = <span class="number">33</span>; +<span class="kw">pub const </span>SYS_pause: ::c_long = <span class="number">34</span>; +<span class="kw">pub const </span>SYS_nanosleep: ::c_long = <span class="number">35</span>; +<span class="kw">pub const </span>SYS_getitimer: ::c_long = <span class="number">36</span>; +<span class="kw">pub const </span>SYS_alarm: ::c_long = <span class="number">37</span>; +<span class="kw">pub const </span>SYS_setitimer: ::c_long = <span class="number">38</span>; +<span class="kw">pub const </span>SYS_getpid: ::c_long = <span class="number">39</span>; +<span class="kw">pub const </span>SYS_sendfile: ::c_long = <span class="number">40</span>; +<span class="kw">pub const </span>SYS_socket: ::c_long = <span class="number">41</span>; +<span class="kw">pub const </span>SYS_connect: ::c_long = <span class="number">42</span>; +<span class="kw">pub const </span>SYS_accept: ::c_long = <span class="number">43</span>; +<span class="kw">pub const </span>SYS_sendto: ::c_long = <span class="number">44</span>; +<span class="kw">pub const </span>SYS_recvfrom: ::c_long = <span class="number">45</span>; +<span class="kw">pub const </span>SYS_sendmsg: ::c_long = <span class="number">46</span>; +<span class="kw">pub const </span>SYS_recvmsg: ::c_long = <span class="number">47</span>; +<span class="kw">pub const </span>SYS_shutdown: ::c_long = <span class="number">48</span>; +<span class="kw">pub const </span>SYS_bind: ::c_long = <span class="number">49</span>; +<span class="kw">pub const </span>SYS_listen: ::c_long = <span class="number">50</span>; +<span class="kw">pub const </span>SYS_getsockname: ::c_long = <span class="number">51</span>; +<span class="kw">pub const </span>SYS_getpeername: ::c_long = <span class="number">52</span>; +<span class="kw">pub const </span>SYS_socketpair: ::c_long = <span class="number">53</span>; +<span class="kw">pub const </span>SYS_setsockopt: ::c_long = <span class="number">54</span>; +<span class="kw">pub const </span>SYS_getsockopt: ::c_long = <span class="number">55</span>; +<span class="kw">pub const </span>SYS_clone: ::c_long = <span class="number">56</span>; +<span class="kw">pub const </span>SYS_fork: ::c_long = <span class="number">57</span>; +<span class="kw">pub const </span>SYS_vfork: ::c_long = <span class="number">58</span>; +<span class="kw">pub const </span>SYS_execve: ::c_long = <span class="number">59</span>; +<span class="kw">pub const </span>SYS_exit: ::c_long = <span class="number">60</span>; +<span class="kw">pub const </span>SYS_wait4: ::c_long = <span class="number">61</span>; +<span class="kw">pub const </span>SYS_kill: ::c_long = <span class="number">62</span>; +<span class="kw">pub const </span>SYS_uname: ::c_long = <span class="number">63</span>; +<span class="kw">pub const </span>SYS_semget: ::c_long = <span class="number">64</span>; +<span class="kw">pub const </span>SYS_semop: ::c_long = <span class="number">65</span>; +<span class="kw">pub const </span>SYS_semctl: ::c_long = <span class="number">66</span>; +<span class="kw">pub const </span>SYS_shmdt: ::c_long = <span class="number">67</span>; +<span class="kw">pub const </span>SYS_msgget: ::c_long = <span class="number">68</span>; +<span class="kw">pub const </span>SYS_msgsnd: ::c_long = <span class="number">69</span>; +<span class="kw">pub const </span>SYS_msgrcv: ::c_long = <span class="number">70</span>; +<span class="kw">pub const </span>SYS_msgctl: ::c_long = <span class="number">71</span>; +<span class="kw">pub const </span>SYS_fcntl: ::c_long = <span class="number">72</span>; +<span class="kw">pub const </span>SYS_flock: ::c_long = <span class="number">73</span>; +<span class="kw">pub const </span>SYS_fsync: ::c_long = <span class="number">74</span>; +<span class="kw">pub const </span>SYS_fdatasync: ::c_long = <span class="number">75</span>; +<span class="kw">pub const </span>SYS_truncate: ::c_long = <span class="number">76</span>; +<span class="kw">pub const </span>SYS_ftruncate: ::c_long = <span class="number">77</span>; +<span class="kw">pub const </span>SYS_getdents: ::c_long = <span class="number">78</span>; +<span class="kw">pub const </span>SYS_getcwd: ::c_long = <span class="number">79</span>; +<span class="kw">pub const </span>SYS_chdir: ::c_long = <span class="number">80</span>; +<span class="kw">pub const </span>SYS_fchdir: ::c_long = <span class="number">81</span>; +<span class="kw">pub const </span>SYS_rename: ::c_long = <span class="number">82</span>; +<span class="kw">pub const </span>SYS_mkdir: ::c_long = <span class="number">83</span>; +<span class="kw">pub const </span>SYS_rmdir: ::c_long = <span class="number">84</span>; +<span class="kw">pub const </span>SYS_creat: ::c_long = <span class="number">85</span>; +<span class="kw">pub const </span>SYS_link: ::c_long = <span class="number">86</span>; +<span class="kw">pub const </span>SYS_unlink: ::c_long = <span class="number">87</span>; +<span class="kw">pub const </span>SYS_symlink: ::c_long = <span class="number">88</span>; +<span class="kw">pub const </span>SYS_readlink: ::c_long = <span class="number">89</span>; +<span class="kw">pub const </span>SYS_chmod: ::c_long = <span class="number">90</span>; +<span class="kw">pub const </span>SYS_fchmod: ::c_long = <span class="number">91</span>; +<span class="kw">pub const </span>SYS_chown: ::c_long = <span class="number">92</span>; +<span class="kw">pub const </span>SYS_fchown: ::c_long = <span class="number">93</span>; +<span class="kw">pub const </span>SYS_lchown: ::c_long = <span class="number">94</span>; +<span class="kw">pub const </span>SYS_umask: ::c_long = <span class="number">95</span>; +<span class="kw">pub const </span>SYS_gettimeofday: ::c_long = <span class="number">96</span>; +<span class="kw">pub const </span>SYS_getrlimit: ::c_long = <span class="number">97</span>; +<span class="kw">pub const </span>SYS_getrusage: ::c_long = <span class="number">98</span>; +<span class="kw">pub const </span>SYS_sysinfo: ::c_long = <span class="number">99</span>; +<span class="kw">pub const </span>SYS_times: ::c_long = <span class="number">100</span>; +<span class="kw">pub const </span>SYS_ptrace: ::c_long = <span class="number">101</span>; +<span class="kw">pub const </span>SYS_getuid: ::c_long = <span class="number">102</span>; +<span class="kw">pub const </span>SYS_syslog: ::c_long = <span class="number">103</span>; +<span class="kw">pub const </span>SYS_getgid: ::c_long = <span class="number">104</span>; +<span class="kw">pub const </span>SYS_setuid: ::c_long = <span class="number">105</span>; +<span class="kw">pub const </span>SYS_setgid: ::c_long = <span class="number">106</span>; +<span class="kw">pub const </span>SYS_geteuid: ::c_long = <span class="number">107</span>; +<span class="kw">pub const </span>SYS_getegid: ::c_long = <span class="number">108</span>; +<span class="kw">pub const </span>SYS_setpgid: ::c_long = <span class="number">109</span>; +<span class="kw">pub const </span>SYS_getppid: ::c_long = <span class="number">110</span>; +<span class="kw">pub const </span>SYS_getpgrp: ::c_long = <span class="number">111</span>; +<span class="kw">pub const </span>SYS_setsid: ::c_long = <span class="number">112</span>; +<span class="kw">pub const </span>SYS_setreuid: ::c_long = <span class="number">113</span>; +<span class="kw">pub const </span>SYS_setregid: ::c_long = <span class="number">114</span>; +<span class="kw">pub const </span>SYS_getgroups: ::c_long = <span class="number">115</span>; +<span class="kw">pub const </span>SYS_setgroups: ::c_long = <span class="number">116</span>; +<span class="kw">pub const </span>SYS_setresuid: ::c_long = <span class="number">117</span>; +<span class="kw">pub const </span>SYS_getresuid: ::c_long = <span class="number">118</span>; +<span class="kw">pub const </span>SYS_setresgid: ::c_long = <span class="number">119</span>; +<span class="kw">pub const </span>SYS_getresgid: ::c_long = <span class="number">120</span>; +<span class="kw">pub const </span>SYS_getpgid: ::c_long = <span class="number">121</span>; +<span class="kw">pub const </span>SYS_setfsuid: ::c_long = <span class="number">122</span>; +<span class="kw">pub const </span>SYS_setfsgid: ::c_long = <span class="number">123</span>; +<span class="kw">pub const </span>SYS_getsid: ::c_long = <span class="number">124</span>; +<span class="kw">pub const </span>SYS_capget: ::c_long = <span class="number">125</span>; +<span class="kw">pub const </span>SYS_capset: ::c_long = <span class="number">126</span>; +<span class="kw">pub const </span>SYS_rt_sigpending: ::c_long = <span class="number">127</span>; +<span class="kw">pub const </span>SYS_rt_sigtimedwait: ::c_long = <span class="number">128</span>; +<span class="kw">pub const </span>SYS_rt_sigqueueinfo: ::c_long = <span class="number">129</span>; +<span class="kw">pub const </span>SYS_rt_sigsuspend: ::c_long = <span class="number">130</span>; +<span class="kw">pub const </span>SYS_sigaltstack: ::c_long = <span class="number">131</span>; +<span class="kw">pub const </span>SYS_utime: ::c_long = <span class="number">132</span>; +<span class="kw">pub const </span>SYS_mknod: ::c_long = <span class="number">133</span>; +<span class="kw">pub const </span>SYS_uselib: ::c_long = <span class="number">134</span>; +<span class="kw">pub const </span>SYS_personality: ::c_long = <span class="number">135</span>; +<span class="kw">pub const </span>SYS_ustat: ::c_long = <span class="number">136</span>; +<span class="kw">pub const </span>SYS_statfs: ::c_long = <span class="number">137</span>; +<span class="kw">pub const </span>SYS_fstatfs: ::c_long = <span class="number">138</span>; +<span class="kw">pub const </span>SYS_sysfs: ::c_long = <span class="number">139</span>; +<span class="kw">pub const </span>SYS_getpriority: ::c_long = <span class="number">140</span>; +<span class="kw">pub const </span>SYS_setpriority: ::c_long = <span class="number">141</span>; +<span class="kw">pub const </span>SYS_sched_setparam: ::c_long = <span class="number">142</span>; +<span class="kw">pub const </span>SYS_sched_getparam: ::c_long = <span class="number">143</span>; +<span class="kw">pub const </span>SYS_sched_setscheduler: ::c_long = <span class="number">144</span>; +<span class="kw">pub const </span>SYS_sched_getscheduler: ::c_long = <span class="number">145</span>; +<span class="kw">pub const </span>SYS_sched_get_priority_max: ::c_long = <span class="number">146</span>; +<span class="kw">pub const </span>SYS_sched_get_priority_min: ::c_long = <span class="number">147</span>; +<span class="kw">pub const </span>SYS_sched_rr_get_interval: ::c_long = <span class="number">148</span>; +<span class="kw">pub const </span>SYS_mlock: ::c_long = <span class="number">149</span>; +<span class="kw">pub const </span>SYS_munlock: ::c_long = <span class="number">150</span>; +<span class="kw">pub const </span>SYS_mlockall: ::c_long = <span class="number">151</span>; +<span class="kw">pub const </span>SYS_munlockall: ::c_long = <span class="number">152</span>; +<span class="kw">pub const </span>SYS_vhangup: ::c_long = <span class="number">153</span>; +<span class="kw">pub const </span>SYS_modify_ldt: ::c_long = <span class="number">154</span>; +<span class="kw">pub const </span>SYS_pivot_root: ::c_long = <span class="number">155</span>; +<span class="kw">pub const </span>SYS__sysctl: ::c_long = <span class="number">156</span>; +<span class="kw">pub const </span>SYS_prctl: ::c_long = <span class="number">157</span>; +<span class="kw">pub const </span>SYS_arch_prctl: ::c_long = <span class="number">158</span>; +<span class="kw">pub const </span>SYS_adjtimex: ::c_long = <span class="number">159</span>; +<span class="kw">pub const </span>SYS_setrlimit: ::c_long = <span class="number">160</span>; +<span class="kw">pub const </span>SYS_chroot: ::c_long = <span class="number">161</span>; +<span class="kw">pub const </span>SYS_sync: ::c_long = <span class="number">162</span>; +<span class="kw">pub const </span>SYS_acct: ::c_long = <span class="number">163</span>; +<span class="kw">pub const </span>SYS_settimeofday: ::c_long = <span class="number">164</span>; +<span class="kw">pub const </span>SYS_mount: ::c_long = <span class="number">165</span>; +<span class="kw">pub const </span>SYS_umount2: ::c_long = <span class="number">166</span>; +<span class="kw">pub const </span>SYS_swapon: ::c_long = <span class="number">167</span>; +<span class="kw">pub const </span>SYS_swapoff: ::c_long = <span class="number">168</span>; +<span class="kw">pub const </span>SYS_reboot: ::c_long = <span class="number">169</span>; +<span class="kw">pub const </span>SYS_sethostname: ::c_long = <span class="number">170</span>; +<span class="kw">pub const </span>SYS_setdomainname: ::c_long = <span class="number">171</span>; +<span class="kw">pub const </span>SYS_iopl: ::c_long = <span class="number">172</span>; +<span class="kw">pub const </span>SYS_ioperm: ::c_long = <span class="number">173</span>; +<span class="kw">pub const </span>SYS_create_module: ::c_long = <span class="number">174</span>; +<span class="kw">pub const </span>SYS_init_module: ::c_long = <span class="number">175</span>; +<span class="kw">pub const </span>SYS_delete_module: ::c_long = <span class="number">176</span>; +<span class="kw">pub const </span>SYS_get_kernel_syms: ::c_long = <span class="number">177</span>; +<span class="kw">pub const </span>SYS_query_module: ::c_long = <span class="number">178</span>; +<span class="kw">pub const </span>SYS_quotactl: ::c_long = <span class="number">179</span>; +<span class="kw">pub const </span>SYS_nfsservctl: ::c_long = <span class="number">180</span>; +<span class="kw">pub const </span>SYS_getpmsg: ::c_long = <span class="number">181</span>; +<span class="kw">pub const </span>SYS_putpmsg: ::c_long = <span class="number">182</span>; +<span class="kw">pub const </span>SYS_afs_syscall: ::c_long = <span class="number">183</span>; +<span class="kw">pub const </span>SYS_tuxcall: ::c_long = <span class="number">184</span>; +<span class="kw">pub const </span>SYS_security: ::c_long = <span class="number">185</span>; +<span class="kw">pub const </span>SYS_gettid: ::c_long = <span class="number">186</span>; +<span class="kw">pub const </span>SYS_readahead: ::c_long = <span class="number">187</span>; +<span class="kw">pub const </span>SYS_setxattr: ::c_long = <span class="number">188</span>; +<span class="kw">pub const </span>SYS_lsetxattr: ::c_long = <span class="number">189</span>; +<span class="kw">pub const </span>SYS_fsetxattr: ::c_long = <span class="number">190</span>; +<span class="kw">pub const </span>SYS_getxattr: ::c_long = <span class="number">191</span>; +<span class="kw">pub const </span>SYS_lgetxattr: ::c_long = <span class="number">192</span>; +<span class="kw">pub const </span>SYS_fgetxattr: ::c_long = <span class="number">193</span>; +<span class="kw">pub const </span>SYS_listxattr: ::c_long = <span class="number">194</span>; +<span class="kw">pub const </span>SYS_llistxattr: ::c_long = <span class="number">195</span>; +<span class="kw">pub const </span>SYS_flistxattr: ::c_long = <span class="number">196</span>; +<span class="kw">pub const </span>SYS_removexattr: ::c_long = <span class="number">197</span>; +<span class="kw">pub const </span>SYS_lremovexattr: ::c_long = <span class="number">198</span>; +<span class="kw">pub const </span>SYS_fremovexattr: ::c_long = <span class="number">199</span>; +<span class="kw">pub const </span>SYS_tkill: ::c_long = <span class="number">200</span>; +<span class="kw">pub const </span>SYS_time: ::c_long = <span class="number">201</span>; +<span class="kw">pub const </span>SYS_futex: ::c_long = <span class="number">202</span>; +<span class="kw">pub const </span>SYS_sched_setaffinity: ::c_long = <span class="number">203</span>; +<span class="kw">pub const </span>SYS_sched_getaffinity: ::c_long = <span class="number">204</span>; +<span class="kw">pub const </span>SYS_set_thread_area: ::c_long = <span class="number">205</span>; +<span class="kw">pub const </span>SYS_io_setup: ::c_long = <span class="number">206</span>; +<span class="kw">pub const </span>SYS_io_destroy: ::c_long = <span class="number">207</span>; +<span class="kw">pub const </span>SYS_io_getevents: ::c_long = <span class="number">208</span>; +<span class="kw">pub const </span>SYS_io_submit: ::c_long = <span class="number">209</span>; +<span class="kw">pub const </span>SYS_io_cancel: ::c_long = <span class="number">210</span>; +<span class="kw">pub const </span>SYS_get_thread_area: ::c_long = <span class="number">211</span>; +<span class="kw">pub const </span>SYS_lookup_dcookie: ::c_long = <span class="number">212</span>; +<span class="kw">pub const </span>SYS_epoll_create: ::c_long = <span class="number">213</span>; +<span class="kw">pub const </span>SYS_epoll_ctl_old: ::c_long = <span class="number">214</span>; +<span class="kw">pub const </span>SYS_epoll_wait_old: ::c_long = <span class="number">215</span>; +<span class="kw">pub const </span>SYS_remap_file_pages: ::c_long = <span class="number">216</span>; +<span class="kw">pub const </span>SYS_getdents64: ::c_long = <span class="number">217</span>; +<span class="kw">pub const </span>SYS_set_tid_address: ::c_long = <span class="number">218</span>; +<span class="kw">pub const </span>SYS_restart_syscall: ::c_long = <span class="number">219</span>; +<span class="kw">pub const </span>SYS_semtimedop: ::c_long = <span class="number">220</span>; +<span class="kw">pub const </span>SYS_fadvise64: ::c_long = <span class="number">221</span>; +<span class="kw">pub const </span>SYS_timer_create: ::c_long = <span class="number">222</span>; +<span class="kw">pub const </span>SYS_timer_settime: ::c_long = <span class="number">223</span>; +<span class="kw">pub const </span>SYS_timer_gettime: ::c_long = <span class="number">224</span>; +<span class="kw">pub const </span>SYS_timer_getoverrun: ::c_long = <span class="number">225</span>; +<span class="kw">pub const </span>SYS_timer_delete: ::c_long = <span class="number">226</span>; +<span class="kw">pub const </span>SYS_clock_settime: ::c_long = <span class="number">227</span>; +<span class="kw">pub const </span>SYS_clock_gettime: ::c_long = <span class="number">228</span>; +<span class="kw">pub const </span>SYS_clock_getres: ::c_long = <span class="number">229</span>; +<span class="kw">pub const </span>SYS_clock_nanosleep: ::c_long = <span class="number">230</span>; +<span class="kw">pub const </span>SYS_exit_group: ::c_long = <span class="number">231</span>; +<span class="kw">pub const </span>SYS_epoll_wait: ::c_long = <span class="number">232</span>; +<span class="kw">pub const </span>SYS_epoll_ctl: ::c_long = <span class="number">233</span>; +<span class="kw">pub const </span>SYS_tgkill: ::c_long = <span class="number">234</span>; +<span class="kw">pub const </span>SYS_utimes: ::c_long = <span class="number">235</span>; +<span class="kw">pub const </span>SYS_vserver: ::c_long = <span class="number">236</span>; +<span class="kw">pub const </span>SYS_mbind: ::c_long = <span class="number">237</span>; +<span class="kw">pub const </span>SYS_set_mempolicy: ::c_long = <span class="number">238</span>; +<span class="kw">pub const </span>SYS_get_mempolicy: ::c_long = <span class="number">239</span>; +<span class="kw">pub const </span>SYS_mq_open: ::c_long = <span class="number">240</span>; +<span class="kw">pub const </span>SYS_mq_unlink: ::c_long = <span class="number">241</span>; +<span class="kw">pub const </span>SYS_mq_timedsend: ::c_long = <span class="number">242</span>; +<span class="kw">pub const </span>SYS_mq_timedreceive: ::c_long = <span class="number">243</span>; +<span class="kw">pub const </span>SYS_mq_notify: ::c_long = <span class="number">244</span>; +<span class="kw">pub const </span>SYS_mq_getsetattr: ::c_long = <span class="number">245</span>; +<span class="kw">pub const </span>SYS_kexec_load: ::c_long = <span class="number">246</span>; +<span class="kw">pub const </span>SYS_waitid: ::c_long = <span class="number">247</span>; +<span class="kw">pub const </span>SYS_add_key: ::c_long = <span class="number">248</span>; +<span class="kw">pub const </span>SYS_request_key: ::c_long = <span class="number">249</span>; +<span class="kw">pub const </span>SYS_keyctl: ::c_long = <span class="number">250</span>; +<span class="kw">pub const </span>SYS_ioprio_set: ::c_long = <span class="number">251</span>; +<span class="kw">pub const </span>SYS_ioprio_get: ::c_long = <span class="number">252</span>; +<span class="kw">pub const </span>SYS_inotify_init: ::c_long = <span class="number">253</span>; +<span class="kw">pub const </span>SYS_inotify_add_watch: ::c_long = <span class="number">254</span>; +<span class="kw">pub const </span>SYS_inotify_rm_watch: ::c_long = <span class="number">255</span>; +<span class="kw">pub const </span>SYS_migrate_pages: ::c_long = <span class="number">256</span>; +<span class="kw">pub const </span>SYS_openat: ::c_long = <span class="number">257</span>; +<span class="kw">pub const </span>SYS_mkdirat: ::c_long = <span class="number">258</span>; +<span class="kw">pub const </span>SYS_mknodat: ::c_long = <span class="number">259</span>; +<span class="kw">pub const </span>SYS_fchownat: ::c_long = <span class="number">260</span>; +<span class="kw">pub const </span>SYS_futimesat: ::c_long = <span class="number">261</span>; +<span class="kw">pub const </span>SYS_newfstatat: ::c_long = <span class="number">262</span>; +<span class="kw">pub const </span>SYS_unlinkat: ::c_long = <span class="number">263</span>; +<span class="kw">pub const </span>SYS_renameat: ::c_long = <span class="number">264</span>; +<span class="kw">pub const </span>SYS_linkat: ::c_long = <span class="number">265</span>; +<span class="kw">pub const </span>SYS_symlinkat: ::c_long = <span class="number">266</span>; +<span class="kw">pub const </span>SYS_readlinkat: ::c_long = <span class="number">267</span>; +<span class="kw">pub const </span>SYS_fchmodat: ::c_long = <span class="number">268</span>; +<span class="kw">pub const </span>SYS_faccessat: ::c_long = <span class="number">269</span>; +<span class="kw">pub const </span>SYS_pselect6: ::c_long = <span class="number">270</span>; +<span class="kw">pub const </span>SYS_ppoll: ::c_long = <span class="number">271</span>; +<span class="kw">pub const </span>SYS_unshare: ::c_long = <span class="number">272</span>; +<span class="kw">pub const </span>SYS_set_robust_list: ::c_long = <span class="number">273</span>; +<span class="kw">pub const </span>SYS_get_robust_list: ::c_long = <span class="number">274</span>; +<span class="kw">pub const </span>SYS_splice: ::c_long = <span class="number">275</span>; +<span class="kw">pub const </span>SYS_tee: ::c_long = <span class="number">276</span>; +<span class="kw">pub const </span>SYS_sync_file_range: ::c_long = <span class="number">277</span>; +<span class="kw">pub const </span>SYS_vmsplice: ::c_long = <span class="number">278</span>; +<span class="kw">pub const </span>SYS_move_pages: ::c_long = <span class="number">279</span>; +<span class="kw">pub const </span>SYS_utimensat: ::c_long = <span class="number">280</span>; +<span class="kw">pub const </span>SYS_epoll_pwait: ::c_long = <span class="number">281</span>; +<span class="kw">pub const </span>SYS_signalfd: ::c_long = <span class="number">282</span>; +<span class="kw">pub const </span>SYS_timerfd_create: ::c_long = <span class="number">283</span>; +<span class="kw">pub const </span>SYS_eventfd: ::c_long = <span class="number">284</span>; +<span class="kw">pub const </span>SYS_fallocate: ::c_long = <span class="number">285</span>; +<span class="kw">pub const </span>SYS_timerfd_settime: ::c_long = <span class="number">286</span>; +<span class="kw">pub const </span>SYS_timerfd_gettime: ::c_long = <span class="number">287</span>; +<span class="kw">pub const </span>SYS_accept4: ::c_long = <span class="number">288</span>; +<span class="kw">pub const </span>SYS_signalfd4: ::c_long = <span class="number">289</span>; +<span class="kw">pub const </span>SYS_eventfd2: ::c_long = <span class="number">290</span>; +<span class="kw">pub const </span>SYS_epoll_create1: ::c_long = <span class="number">291</span>; +<span class="kw">pub const </span>SYS_dup3: ::c_long = <span class="number">292</span>; +<span class="kw">pub const </span>SYS_pipe2: ::c_long = <span class="number">293</span>; +<span class="kw">pub const </span>SYS_inotify_init1: ::c_long = <span class="number">294</span>; +<span class="kw">pub const </span>SYS_preadv: ::c_long = <span class="number">295</span>; +<span class="kw">pub const </span>SYS_pwritev: ::c_long = <span class="number">296</span>; +<span class="kw">pub const </span>SYS_rt_tgsigqueueinfo: ::c_long = <span class="number">297</span>; +<span class="kw">pub const </span>SYS_perf_event_open: ::c_long = <span class="number">298</span>; +<span class="kw">pub const </span>SYS_recvmmsg: ::c_long = <span class="number">299</span>; +<span class="kw">pub const </span>SYS_fanotify_init: ::c_long = <span class="number">300</span>; +<span class="kw">pub const </span>SYS_fanotify_mark: ::c_long = <span class="number">301</span>; +<span class="kw">pub const </span>SYS_prlimit64: ::c_long = <span class="number">302</span>; +<span class="kw">pub const </span>SYS_name_to_handle_at: ::c_long = <span class="number">303</span>; +<span class="kw">pub const </span>SYS_open_by_handle_at: ::c_long = <span class="number">304</span>; +<span class="kw">pub const </span>SYS_clock_adjtime: ::c_long = <span class="number">305</span>; +<span class="kw">pub const </span>SYS_syncfs: ::c_long = <span class="number">306</span>; +<span class="kw">pub const </span>SYS_sendmmsg: ::c_long = <span class="number">307</span>; +<span class="kw">pub const </span>SYS_setns: ::c_long = <span class="number">308</span>; +<span class="kw">pub const </span>SYS_getcpu: ::c_long = <span class="number">309</span>; +<span class="kw">pub const </span>SYS_process_vm_readv: ::c_long = <span class="number">310</span>; +<span class="kw">pub const </span>SYS_process_vm_writev: ::c_long = <span class="number">311</span>; +<span class="kw">pub const </span>SYS_kcmp: ::c_long = <span class="number">312</span>; +<span class="kw">pub const </span>SYS_finit_module: ::c_long = <span class="number">313</span>; +<span class="kw">pub const </span>SYS_sched_setattr: ::c_long = <span class="number">314</span>; +<span class="kw">pub const </span>SYS_sched_getattr: ::c_long = <span class="number">315</span>; +<span class="kw">pub const </span>SYS_renameat2: ::c_long = <span class="number">316</span>; +<span class="kw">pub const </span>SYS_seccomp: ::c_long = <span class="number">317</span>; +<span class="kw">pub const </span>SYS_getrandom: ::c_long = <span class="number">318</span>; +<span class="kw">pub const </span>SYS_memfd_create: ::c_long = <span class="number">319</span>; +<span class="kw">pub const </span>SYS_kexec_file_load: ::c_long = <span class="number">320</span>; +<span class="kw">pub const </span>SYS_bpf: ::c_long = <span class="number">321</span>; +<span class="kw">pub const </span>SYS_execveat: ::c_long = <span class="number">322</span>; +<span class="kw">pub const </span>SYS_userfaultfd: ::c_long = <span class="number">323</span>; +<span class="kw">pub const </span>SYS_membarrier: ::c_long = <span class="number">324</span>; +<span class="kw">pub const </span>SYS_mlock2: ::c_long = <span class="number">325</span>; +<span class="kw">pub const </span>SYS_copy_file_range: ::c_long = <span class="number">326</span>; +<span class="kw">pub const </span>SYS_preadv2: ::c_long = <span class="number">327</span>; +<span class="kw">pub const </span>SYS_pwritev2: ::c_long = <span class="number">328</span>; +<span class="kw">pub const </span>SYS_pkey_mprotect: ::c_long = <span class="number">329</span>; +<span class="kw">pub const </span>SYS_pkey_alloc: ::c_long = <span class="number">330</span>; +<span class="kw">pub const </span>SYS_pkey_free: ::c_long = <span class="number">331</span>; +<span class="kw">pub const </span>SYS_statx: ::c_long = <span class="number">332</span>; +<span class="kw">pub const </span>SYS_rseq: ::c_long = <span class="number">334</span>; +<span class="kw">pub const </span>SYS_pidfd_send_signal: ::c_long = <span class="number">424</span>; +<span class="kw">pub const </span>SYS_io_uring_setup: ::c_long = <span class="number">425</span>; +<span class="kw">pub const </span>SYS_io_uring_enter: ::c_long = <span class="number">426</span>; +<span class="kw">pub const </span>SYS_io_uring_register: ::c_long = <span class="number">427</span>; +<span class="kw">pub const </span>SYS_open_tree: ::c_long = <span class="number">428</span>; +<span class="kw">pub const </span>SYS_move_mount: ::c_long = <span class="number">429</span>; +<span class="kw">pub const </span>SYS_fsopen: ::c_long = <span class="number">430</span>; +<span class="kw">pub const </span>SYS_fsconfig: ::c_long = <span class="number">431</span>; +<span class="kw">pub const </span>SYS_fsmount: ::c_long = <span class="number">432</span>; +<span class="kw">pub const </span>SYS_fspick: ::c_long = <span class="number">433</span>; +<span class="kw">pub const </span>SYS_pidfd_open: ::c_long = <span class="number">434</span>; +<span class="kw">pub const </span>SYS_clone3: ::c_long = <span class="number">435</span>; +<span class="kw">pub const </span>SYS_close_range: ::c_long = <span class="number">436</span>; +<span class="kw">pub const </span>SYS_openat2: ::c_long = <span class="number">437</span>; +<span class="kw">pub const </span>SYS_pidfd_getfd: ::c_long = <span class="number">438</span>; +<span class="kw">pub const </span>SYS_faccessat2: ::c_long = <span class="number">439</span>; +<span class="kw">pub const </span>SYS_process_madvise: ::c_long = <span class="number">440</span>; +<span class="kw">pub const </span>SYS_epoll_pwait2: ::c_long = <span class="number">441</span>; +<span class="kw">pub const </span>SYS_mount_setattr: ::c_long = <span class="number">442</span>; +<span class="kw">pub const </span>SYS_quotactl_fd: ::c_long = <span class="number">443</span>; +<span class="kw">pub const </span>SYS_landlock_create_ruleset: ::c_long = <span class="number">444</span>; +<span class="kw">pub const </span>SYS_landlock_add_rule: ::c_long = <span class="number">445</span>; +<span class="kw">pub const </span>SYS_landlock_restrict_self: ::c_long = <span class="number">446</span>; +<span class="kw">pub const </span>SYS_memfd_secret: ::c_long = <span class="number">447</span>; +<span class="kw">pub const </span>SYS_process_mrelease: ::c_long = <span class="number">448</span>; +<span class="kw">pub const </span>SYS_futex_waitv: ::c_long = <span class="number">449</span>; +<span class="kw">pub const </span>SYS_set_mempolicy_home_node: ::c_long = <span class="number">450</span>; + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>sysctl( + name: <span class="kw-2">*mut </span>::c_int, + namelen: ::c_int, + oldp: <span class="kw-2">*mut </span>::c_void, + oldlenp: <span class="kw-2">*mut </span>::size_t, + newp: <span class="kw-2">*mut </span>::c_void, + newlen: ::size_t, + ) -> ::c_int; +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/mod.rs.html new file mode 100644 index 0000000..edcd3db --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/gnu/mod.rs.html @@ -0,0 +1,2820 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/gnu/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin 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class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> 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+<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +<span id="177">177</span> +<span id="178">178</span> +<span id="179">179</span> +<span id="180">180</span> +<span id="181">181</span> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> 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id="1327">1327</span> +<span id="1328">1328</span> +<span id="1329">1329</span> +<span id="1330">1330</span> +<span id="1331">1331</span> +<span id="1332">1332</span> +<span id="1333">1333</span> +<span id="1334">1334</span> +<span id="1335">1335</span> +<span id="1336">1336</span> +<span id="1337">1337</span> +<span id="1338">1338</span> +<span id="1339">1339</span> +<span id="1340">1340</span> +<span id="1341">1341</span> +<span id="1342">1342</span> +<span id="1343">1343</span> +<span id="1344">1344</span> +<span id="1345">1345</span> +<span id="1346">1346</span> +<span id="1347">1347</span> +<span id="1348">1348</span> +<span id="1349">1349</span> +<span id="1350">1350</span> +<span id="1351">1351</span> +<span id="1352">1352</span> +<span id="1353">1353</span> +<span id="1354">1354</span> +<span id="1355">1355</span> +<span id="1356">1356</span> +<span id="1357">1357</span> +<span id="1358">1358</span> +<span id="1359">1359</span> +<span id="1360">1360</span> +<span id="1361">1361</span> +<span id="1362">1362</span> +<span id="1363">1363</span> +<span id="1364">1364</span> +<span id="1365">1365</span> +<span id="1366">1366</span> +<span id="1367">1367</span> +<span id="1368">1368</span> +<span id="1369">1369</span> +<span id="1370">1370</span> +<span id="1371">1371</span> +<span id="1372">1372</span> +<span id="1373">1373</span> +<span id="1374">1374</span> +<span id="1375">1375</span> +<span id="1376">1376</span> +<span id="1377">1377</span> +<span id="1378">1378</span> +<span id="1379">1379</span> +<span id="1380">1380</span> +<span id="1381">1381</span> +<span id="1382">1382</span> +<span id="1383">1383</span> +<span id="1384">1384</span> +<span id="1385">1385</span> +<span id="1386">1386</span> +<span id="1387">1387</span> +<span id="1388">1388</span> +<span id="1389">1389</span> +<span id="1390">1390</span> +<span id="1391">1391</span> +<span id="1392">1392</span> +<span id="1393">1393</span> +<span id="1394">1394</span> +<span id="1395">1395</span> +<span id="1396">1396</span> +<span id="1397">1397</span> +<span id="1398">1398</span> +<span id="1399">1399</span> +<span id="1400">1400</span> +<span id="1401">1401</span> +<span id="1402">1402</span> +<span id="1403">1403</span> +<span id="1404">1404</span> +<span id="1405">1405</span> +<span id="1406">1406</span> +<span id="1407">1407</span> +<span id="1408">1408</span> +<span id="1409">1409</span> +</pre><pre class="rust"><code><span class="kw">pub type </span>pthread_t = c_ulong; +<span class="kw">pub type </span>__priority_which_t = ::c_uint; +<span class="kw">pub type </span>__rlimit_resource_t = ::c_uint; +<span class="kw">pub type </span>Lmid_t = ::c_long; +<span class="kw">pub type </span>regoff_t = ::c_int; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(doc)] </span>{ + <span class="comment">// Used in `linux::arch` to define ioctl constants. + </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">type </span>Ioctl = ::c_ulong; + } <span class="kw">else </span>{ + <span class="attribute">#[doc(hidden)] + </span><span class="kw">pub type </span>Ioctl = ::c_ulong; + } +} + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>statx { + <span class="kw">pub </span>stx_mask: u32, + <span class="kw">pub </span>stx_blksize: u32, + <span class="kw">pub </span>stx_attributes: u64, + <span class="kw">pub </span>stx_nlink: u32, + <span class="kw">pub </span>stx_uid: u32, + <span class="kw">pub </span>stx_gid: u32, + <span class="kw">pub </span>stx_mode: u16, + __statx_pad1: [u16; <span class="number">1</span>], + <span class="kw">pub </span>stx_ino: u64, + <span class="kw">pub </span>stx_size: u64, + <span class="kw">pub </span>stx_blocks: u64, + <span class="kw">pub </span>stx_attributes_mask: u64, + <span class="kw">pub </span>stx_atime: ::statx_timestamp, + <span class="kw">pub </span>stx_btime: ::statx_timestamp, + <span class="kw">pub </span>stx_ctime: ::statx_timestamp, + <span class="kw">pub </span>stx_mtime: ::statx_timestamp, + <span class="kw">pub </span>stx_rdev_major: u32, + <span class="kw">pub </span>stx_rdev_minor: u32, + <span class="kw">pub </span>stx_dev_major: u32, + <span class="kw">pub </span>stx_dev_minor: u32, + <span class="kw">pub </span>stx_mnt_id: u64, + __statx_pad2: u64, + __statx_pad3: [u64; <span class="number">12</span>], + } + + <span class="kw">pub struct </span>statx_timestamp { + <span class="kw">pub </span>tv_sec: i64, + <span class="kw">pub </span>tv_nsec: u32, + <span class="kw">pub </span>__statx_timestamp_pad1: [i32; <span class="number">1</span>], + } + + <span class="kw">pub struct </span>aiocb { + <span class="kw">pub </span>aio_fildes: ::c_int, + <span class="kw">pub </span>aio_lio_opcode: ::c_int, + <span class="kw">pub </span>aio_reqprio: ::c_int, + <span class="kw">pub </span>aio_buf: <span class="kw-2">*mut </span>::c_void, + <span class="kw">pub </span>aio_nbytes: ::size_t, + <span class="kw">pub </span>aio_sigevent: ::sigevent, + __next_prio: <span class="kw-2">*mut </span>aiocb, + __abs_prio: ::c_int, + __policy: ::c_int, + __error_code: ::c_int, + __return_value: ::ssize_t, + <span class="kw">pub </span>aio_offset: off_t, + <span class="attribute">#[cfg(all(not(target_arch = <span class="string">"x86_64"</span>), target_pointer_width = <span class="string">"32"</span>))] + </span>__unused1: [::c_char; <span class="number">4</span>], + __glibc_reserved: [::c_char; <span class="number">32</span>] + } + + <span class="kw">pub struct </span>__exit_status { + <span class="kw">pub </span>e_termination: ::c_short, + <span class="kw">pub </span>e_exit: ::c_short, + } + + <span class="kw">pub struct </span>__timeval { + <span class="kw">pub </span>tv_sec: i32, + <span class="kw">pub </span>tv_usec: i32, + } + + <span class="kw">pub struct </span>glob64_t { + <span class="kw">pub </span>gl_pathc: ::size_t, + <span class="kw">pub </span>gl_pathv: <span class="kw-2">*mut *mut </span>::c_char, + <span class="kw">pub </span>gl_offs: ::size_t, + <span class="kw">pub </span>gl_flags: ::c_int, + + __unused1: <span class="kw-2">*mut </span>::c_void, + __unused2: <span class="kw-2">*mut </span>::c_void, + __unused3: <span class="kw-2">*mut </span>::c_void, + __unused4: <span class="kw-2">*mut </span>::c_void, + __unused5: <span class="kw-2">*mut </span>::c_void, + } + + <span class="kw">pub struct </span>msghdr { + <span class="kw">pub </span>msg_name: <span class="kw-2">*mut </span>::c_void, + <span class="kw">pub </span>msg_namelen: ::socklen_t, + <span class="kw">pub </span>msg_iov: <span class="kw-2">*mut </span>::iovec, + <span class="kw">pub </span>msg_iovlen: ::size_t, + <span class="kw">pub </span>msg_control: <span class="kw-2">*mut </span>::c_void, + <span class="kw">pub </span>msg_controllen: ::size_t, + <span class="kw">pub </span>msg_flags: ::c_int, + } + + <span class="kw">pub struct </span>cmsghdr { + <span class="kw">pub </span>cmsg_len: ::size_t, + <span class="kw">pub </span>cmsg_level: ::c_int, + <span class="kw">pub </span>cmsg_type: ::c_int, + } + + <span class="kw">pub struct </span>termios { + <span class="kw">pub </span>c_iflag: ::tcflag_t, + <span class="kw">pub </span>c_oflag: ::tcflag_t, + <span class="kw">pub </span>c_cflag: ::tcflag_t, + <span class="kw">pub </span>c_lflag: ::tcflag_t, + <span class="kw">pub </span>c_line: ::cc_t, + <span class="kw">pub </span>c_cc: [::cc_t; ::NCCS], + <span class="attribute">#[cfg(not(any( + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"sparc64"</span>, + target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"mips64"</span>)))] + </span><span class="kw">pub </span>c_ispeed: ::speed_t, + <span class="attribute">#[cfg(not(any( + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"sparc64"</span>, + target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"mips64"</span>)))] + </span><span class="kw">pub </span>c_ospeed: ::speed_t, + } + + <span class="kw">pub struct </span>mallinfo { + <span class="kw">pub </span>arena: ::c_int, + <span class="kw">pub </span>ordblks: ::c_int, + <span class="kw">pub </span>smblks: ::c_int, + <span class="kw">pub </span>hblks: ::c_int, + <span class="kw">pub </span>hblkhd: ::c_int, + <span class="kw">pub </span>usmblks: ::c_int, + <span class="kw">pub </span>fsmblks: ::c_int, + <span class="kw">pub </span>uordblks: ::c_int, + <span class="kw">pub </span>fordblks: ::c_int, + <span class="kw">pub </span>keepcost: ::c_int, + } + + <span class="kw">pub struct </span>mallinfo2 { + <span class="kw">pub </span>arena: ::size_t, + <span class="kw">pub </span>ordblks: ::size_t, + <span class="kw">pub </span>smblks: ::size_t, + <span class="kw">pub </span>hblks: ::size_t, + <span class="kw">pub </span>hblkhd: ::size_t, + <span class="kw">pub </span>usmblks: ::size_t, + <span class="kw">pub </span>fsmblks: ::size_t, + <span class="kw">pub </span>uordblks: ::size_t, + <span class="kw">pub </span>fordblks: ::size_t, + <span class="kw">pub </span>keepcost: ::size_t, + } + + <span class="kw">pub struct </span>nl_pktinfo { + <span class="kw">pub </span>group: u32, + } + + <span class="kw">pub struct </span>nl_mmap_req { + <span class="kw">pub </span>nm_block_size: ::c_uint, + <span class="kw">pub </span>nm_block_nr: ::c_uint, + <span class="kw">pub </span>nm_frame_size: ::c_uint, + <span class="kw">pub </span>nm_frame_nr: ::c_uint, + } + + <span class="kw">pub struct </span>nl_mmap_hdr { + <span class="kw">pub </span>nm_status: ::c_uint, + <span class="kw">pub </span>nm_len: ::c_uint, + <span class="kw">pub </span>nm_group: u32, + <span class="kw">pub </span>nm_pid: u32, + <span class="kw">pub </span>nm_uid: u32, + <span class="kw">pub </span>nm_gid: u32, + } + + <span class="kw">pub struct </span>rtentry { + <span class="kw">pub </span>rt_pad1: ::c_ulong, + <span class="kw">pub </span>rt_dst: ::sockaddr, + <span class="kw">pub </span>rt_gateway: ::sockaddr, + <span class="kw">pub </span>rt_genmask: ::sockaddr, + <span class="kw">pub </span>rt_flags: ::c_ushort, + <span class="kw">pub </span>rt_pad2: ::c_short, + <span class="kw">pub </span>rt_pad3: ::c_ulong, + <span class="kw">pub </span>rt_tos: ::c_uchar, + <span class="kw">pub </span>rt_class: ::c_uchar, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span><span class="kw">pub </span>rt_pad4: [::c_short; <span class="number">3usize</span>], + <span class="attribute">#[cfg(not(target_pointer_width = <span class="string">"64"</span>))] + </span><span class="kw">pub </span>rt_pad4: ::c_short, + <span class="kw">pub </span>rt_metric: ::c_short, + <span class="kw">pub </span>rt_dev: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>rt_mtu: ::c_ulong, + <span class="kw">pub </span>rt_window: ::c_ulong, + <span class="kw">pub </span>rt_irtt: ::c_ushort, + } + + <span class="kw">pub struct </span>timex { + <span class="kw">pub </span>modes: ::c_uint, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>offset: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>offset: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>freq: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>freq: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>maxerror: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>maxerror: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>esterror: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>esterror: ::c_long, + <span class="kw">pub </span>status: ::c_int, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>constant: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>constant: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>precision: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>precision: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>tolerance: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>tolerance: ::c_long, + <span class="kw">pub </span>time: ::timeval, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>tick: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>tick: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>ppsfreq: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>ppsfreq: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>jitter: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>jitter: ::c_long, + <span class="kw">pub </span>shift: ::c_int, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>stabil: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>stabil: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>jitcnt: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>jitcnt: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>calcnt: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>calcnt: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>errcnt: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>errcnt: ::c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>stbcnt: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>stbcnt: ::c_long, + <span class="kw">pub </span>tai: ::c_int, + <span class="kw">pub </span>__unused1: i32, + <span class="kw">pub </span>__unused2: i32, + <span class="kw">pub </span>__unused3: i32, + <span class="kw">pub </span>__unused4: i32, + <span class="kw">pub </span>__unused5: i32, + <span class="kw">pub </span>__unused6: i32, + <span class="kw">pub </span>__unused7: i32, + <span class="kw">pub </span>__unused8: i32, + <span class="kw">pub </span>__unused9: i32, + <span class="kw">pub </span>__unused10: i32, + <span class="kw">pub </span>__unused11: i32, + } + + <span class="kw">pub struct </span>ntptimeval { + <span class="kw">pub </span>time: ::timeval, + <span class="kw">pub </span>maxerror: ::c_long, + <span class="kw">pub </span>esterror: ::c_long, + <span class="kw">pub </span>tai: ::c_long, + <span class="kw">pub </span>__glibc_reserved1: ::c_long, + <span class="kw">pub </span>__glibc_reserved2: ::c_long, + <span class="kw">pub </span>__glibc_reserved3: ::c_long, + <span class="kw">pub </span>__glibc_reserved4: ::c_long, + } + + <span class="kw">pub struct </span>regex_t { + __buffer: <span class="kw-2">*mut </span>::c_void, + __allocated: ::size_t, + __used: ::size_t, + __syntax: ::c_ulong, + __fastmap: <span class="kw-2">*mut </span>::c_char, + __translate: <span class="kw-2">*mut </span>::c_char, + __re_nsub: ::size_t, + __bitfield: u8, + } + + <span class="kw">pub struct </span>Elf64_Chdr { + <span class="kw">pub </span>ch_type: ::Elf64_Word, + <span class="kw">pub </span>ch_reserved: ::Elf64_Word, + <span class="kw">pub </span>ch_size: ::Elf64_Xword, + <span class="kw">pub </span>ch_addralign: ::Elf64_Xword, + } + + <span class="kw">pub struct </span>Elf32_Chdr { + <span class="kw">pub </span>ch_type: ::Elf32_Word, + <span class="kw">pub </span>ch_size: ::Elf32_Word, + <span class="kw">pub </span>ch_addralign: ::Elf32_Word, + } + + <span class="kw">pub struct </span>seminfo { + <span class="kw">pub </span>semmap: ::c_int, + <span class="kw">pub </span>semmni: ::c_int, + <span class="kw">pub </span>semmns: ::c_int, + <span class="kw">pub </span>semmnu: ::c_int, + <span class="kw">pub </span>semmsl: ::c_int, + <span class="kw">pub </span>semopm: ::c_int, + <span class="kw">pub </span>semume: ::c_int, + <span class="kw">pub </span>semusz: ::c_int, + <span class="kw">pub </span>semvmx: ::c_int, + <span class="kw">pub </span>semaem: ::c_int, + } + + <span class="kw">pub struct </span>ptrace_peeksiginfo_args { + <span class="kw">pub </span>off: ::__u64, + <span class="kw">pub </span>flags: ::__u32, + <span class="kw">pub </span>nr: ::__s32, + } + + <span class="kw">pub struct </span>__c_anonymous_ptrace_syscall_info_entry { + <span class="kw">pub </span>nr: ::__u64, + <span class="kw">pub </span>args: [::__u64; <span class="number">6</span>], + } + + <span class="kw">pub struct </span>__c_anonymous_ptrace_syscall_info_exit { + <span class="kw">pub </span>sval: ::__s64, + <span class="kw">pub </span>is_error: ::__u8, + } + + <span class="kw">pub struct </span>__c_anonymous_ptrace_syscall_info_seccomp { + <span class="kw">pub </span>nr: ::__u64, + <span class="kw">pub </span>args: [::__u64; <span class="number">6</span>], + <span class="kw">pub </span>ret_data: ::__u32, + } + + <span class="kw">pub struct </span>ptrace_syscall_info { + <span class="kw">pub </span>op: ::__u8, + <span class="kw">pub </span>pad: [::__u8; <span class="number">3</span>], + <span class="kw">pub </span>arch: ::__u32, + <span class="kw">pub </span>instruction_pointer: ::__u64, + <span class="kw">pub </span>stack_pointer: ::__u64, + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">pub </span>u: __c_anonymous_ptrace_syscall_info_data, + } +} + +<span class="kw">impl </span>siginfo_t { + <span class="kw">pub unsafe fn </span>si_addr(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">*mut </span>::c_void { + <span class="attribute">#[repr(C)] + </span><span class="kw">struct </span>siginfo_sigfault { + _si_signo: ::c_int, + _si_errno: ::c_int, + _si_code: ::c_int, + si_addr: <span class="kw-2">*mut </span>::c_void, + } + (<span class="kw-2">*</span>(<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span>siginfo_t <span class="kw">as </span><span class="kw-2">*const </span>siginfo_sigfault)).si_addr + } + + <span class="kw">pub unsafe fn </span>si_value(<span class="kw-2">&</span><span class="self">self</span>) -> ::sigval { + <span class="attribute">#[repr(C)] + </span><span class="kw">struct </span>siginfo_timer { + _si_signo: ::c_int, + _si_errno: ::c_int, + _si_code: ::c_int, + _si_tid: ::c_int, + _si_overrun: ::c_int, + si_sigval: ::sigval, + } + (<span class="kw-2">*</span>(<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span>siginfo_t <span class="kw">as </span><span class="kw-2">*const </span>siginfo_timer)).si_sigval + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_union)] </span>{ + <span class="comment">// Internal, for casts to access union fields + </span><span class="attribute">#[repr(C)] + </span><span class="kw">struct </span>sifields_sigchld { + si_pid: ::pid_t, + si_uid: ::uid_t, + si_status: ::c_int, + si_utime: ::c_long, + si_stime: ::c_long, + } + <span class="kw">impl </span>::Copy <span class="kw">for </span>sifields_sigchld {} + <span class="kw">impl </span>::Clone <span class="kw">for </span>sifields_sigchld { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> sifields_sigchld { + <span class="kw-2">*</span><span class="self">self + </span>} + } + + <span class="comment">// Internal, for casts to access union fields + </span><span class="attribute">#[repr(C)] + </span><span class="kw">union </span>sifields { + _align_pointer: <span class="kw-2">*mut </span>::c_void, + sigchld: sifields_sigchld, + } + + <span class="comment">// Internal, for casts to access union fields. Note that some variants + // of sifields start with a pointer, which makes the alignment of + // sifields vary on 32-bit and 64-bit architectures. + </span><span class="attribute">#[repr(C)] + </span><span class="kw">struct </span>siginfo_f { + _siginfo_base: [::c_int; <span class="number">3</span>], + sifields: sifields, + } + + <span class="kw">impl </span>siginfo_t { + <span class="kw">unsafe fn </span>sifields(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>sifields { + <span class="kw-2">&</span>(<span class="kw-2">*</span>(<span class="self">self </span><span class="kw">as </span><span class="kw-2">*const </span>siginfo_t <span class="kw">as </span><span class="kw-2">*const </span>siginfo_f)).sifields + } + + <span class="kw">pub unsafe fn </span>si_pid(<span class="kw-2">&</span><span class="self">self</span>) -> ::pid_t { + <span class="self">self</span>.sifields().sigchld.si_pid + } + + <span class="kw">pub unsafe fn </span>si_uid(<span class="kw-2">&</span><span class="self">self</span>) -> ::uid_t { + <span class="self">self</span>.sifields().sigchld.si_uid + } + + <span class="kw">pub unsafe fn </span>si_status(<span class="kw-2">&</span><span class="self">self</span>) -> ::c_int { + <span class="self">self</span>.sifields().sigchld.si_status + } + + <span class="kw">pub unsafe fn </span>si_utime(<span class="kw-2">&</span><span class="self">self</span>) -> ::c_long { + <span class="self">self</span>.sifields().sigchld.si_utime + } + + <span class="kw">pub unsafe fn </span>si_stime(<span class="kw-2">&</span><span class="self">self</span>) -> ::c_long { + <span class="self">self</span>.sifields().sigchld.si_stime + } + } + + <span class="kw">pub union </span>__c_anonymous_ptrace_syscall_info_data { + <span class="kw">pub </span>entry: __c_anonymous_ptrace_syscall_info_entry, + <span class="kw">pub </span>exit: __c_anonymous_ptrace_syscall_info_exit, + <span class="kw">pub </span>seccomp: __c_anonymous_ptrace_syscall_info_seccomp, + } + <span class="kw">impl </span>::Copy <span class="kw">for </span>__c_anonymous_ptrace_syscall_info_data {} + <span class="kw">impl </span>::Clone <span class="kw">for </span>__c_anonymous_ptrace_syscall_info_data { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> __c_anonymous_ptrace_syscall_info_data { + <span class="kw-2">*</span><span class="self">self + </span>} + } + } +} + +<span class="macro">s_no_extra_traits! </span>{ + <span class="kw">pub struct </span>utmpx { + <span class="kw">pub </span>ut_type: ::c_short, + <span class="kw">pub </span>ut_pid: ::pid_t, + <span class="kw">pub </span>ut_line: [::c_char; __UT_LINESIZE], + <span class="kw">pub </span>ut_id: [::c_char; <span class="number">4</span>], + + <span class="kw">pub </span>ut_user: [::c_char; __UT_NAMESIZE], + <span class="kw">pub </span>ut_host: [::c_char; __UT_HOSTSIZE], + <span class="kw">pub </span>ut_exit: __exit_status, + + <span class="attribute">#[cfg(any(target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"loongarch64"</span>, + all(target_pointer_width = <span class="string">"32"</span>, + not(target_arch = <span class="string">"x86_64"</span>))))] + </span><span class="kw">pub </span>ut_session: ::c_long, + <span class="attribute">#[cfg(any(target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"loongarch64"</span>, + all(target_pointer_width = <span class="string">"32"</span>, + not(target_arch = <span class="string">"x86_64"</span>))))] + </span><span class="kw">pub </span>ut_tv: ::timeval, + + <span class="attribute">#[cfg(not(any(target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"loongarch64"</span>, + all(target_pointer_width = <span class="string">"32"</span>, + not(target_arch = <span class="string">"x86_64"</span>)))))] + </span><span class="kw">pub </span>ut_session: i32, + <span class="attribute">#[cfg(not(any(target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"loongarch64"</span>, + all(target_pointer_width = <span class="string">"32"</span>, + not(target_arch = <span class="string">"x86_64"</span>)))))] + </span><span class="kw">pub </span>ut_tv: __timeval, + + <span class="kw">pub </span>ut_addr_v6: [i32; <span class="number">4</span>], + __glibc_reserved: [::c_char; <span class="number">20</span>], + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"extra_traits"</span>)] </span>{ + <span class="kw">impl </span>PartialEq <span class="kw">for </span>utmpx { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>utmpx) -> bool { + <span class="self">self</span>.ut_type == other.ut_type + && <span class="self">self</span>.ut_pid == other.ut_pid + && <span class="self">self</span>.ut_line == other.ut_line + && <span class="self">self</span>.ut_id == other.ut_id + && <span class="self">self</span>.ut_user == other.ut_user + && <span class="self">self + </span>.ut_host + .iter() + .zip(other.ut_host.iter()) + .all(|(a,b)| a == b) + && <span class="self">self</span>.ut_exit == other.ut_exit + && <span class="self">self</span>.ut_session == other.ut_session + && <span class="self">self</span>.ut_tv == other.ut_tv + && <span class="self">self</span>.ut_addr_v6 == other.ut_addr_v6 + && <span class="self">self</span>.__glibc_reserved == other.__glibc_reserved + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>utmpx {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>utmpx { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"utmpx"</span>) + .field(<span class="string">"ut_type"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_type) + .field(<span class="string">"ut_pid"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_pid) + .field(<span class="string">"ut_line"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_line) + .field(<span class="string">"ut_id"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_id) + .field(<span class="string">"ut_user"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_user) + <span class="comment">// FIXME: .field("ut_host", &self.ut_host) + </span>.field(<span class="string">"ut_exit"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_exit) + .field(<span class="string">"ut_session"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_session) + .field(<span class="string">"ut_tv"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_tv) + .field(<span class="string">"ut_addr_v6"</span>, <span class="kw-2">&</span><span class="self">self</span>.ut_addr_v6) + .field(<span class="string">"__glibc_reserved"</span>, <span class="kw-2">&</span><span class="self">self</span>.__glibc_reserved) + .finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>utmpx { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.ut_type.hash(state); + <span class="self">self</span>.ut_pid.hash(state); + <span class="self">self</span>.ut_line.hash(state); + <span class="self">self</span>.ut_id.hash(state); + <span class="self">self</span>.ut_user.hash(state); + <span class="self">self</span>.ut_host.hash(state); + <span class="self">self</span>.ut_exit.hash(state); + <span class="self">self</span>.ut_session.hash(state); + <span class="self">self</span>.ut_tv.hash(state); + <span class="self">self</span>.ut_addr_v6.hash(state); + <span class="self">self</span>.__glibc_reserved.hash(state); + } + } + + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">impl </span>PartialEq <span class="kw">for </span>__c_anonymous_ptrace_syscall_info_data { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>__c_anonymous_ptrace_syscall_info_data) -> bool { + <span class="kw">unsafe </span>{ + <span class="self">self</span>.entry == other.entry || + <span class="self">self</span>.exit == other.exit || + <span class="self">self</span>.seccomp == other.seccomp + } + } + } + + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">impl </span>Eq <span class="kw">for </span>__c_anonymous_ptrace_syscall_info_data {} + + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>__c_anonymous_ptrace_syscall_info_data { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + <span class="kw">unsafe </span>{ + f.debug_struct(<span class="string">"__c_anonymous_ptrace_syscall_info_data"</span>) + .field(<span class="string">"entry"</span>, <span class="kw-2">&</span><span class="self">self</span>.entry) + .field(<span class="string">"exit"</span>, <span class="kw-2">&</span><span class="self">self</span>.exit) + .field(<span class="string">"seccomp"</span>, <span class="kw-2">&</span><span class="self">self</span>.seccomp) + .finish() + } + } + } + + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">impl </span>::hash::Hash <span class="kw">for </span>__c_anonymous_ptrace_syscall_info_data { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="kw">unsafe </span>{ + <span class="self">self</span>.entry.hash(state); + <span class="self">self</span>.exit.hash(state); + <span class="self">self</span>.seccomp.hash(state); + } + } + } + } +} + +<span class="comment">// include/uapi/asm-generic/hugetlb_encode.h +</span><span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_SHIFT: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_MASK: ::c_int = <span class="number">0x3f</span>; + +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_64KB: ::c_int = <span class="number">16 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_512KB: ::c_int = <span class="number">19 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_1MB: ::c_int = <span class="number">20 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_2MB: ::c_int = <span class="number">21 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_8MB: ::c_int = <span class="number">23 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_16MB: ::c_int = <span class="number">24 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_32MB: ::c_int = <span class="number">25 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_256MB: ::c_int = <span class="number">28 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_512MB: ::c_int = <span class="number">29 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_1GB: ::c_int = <span class="number">30 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_2GB: ::c_int = <span class="number">31 </span><< HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>HUGETLB_FLAG_ENCODE_16GB: ::c_int = <span class="number">34 </span><< HUGETLB_FLAG_ENCODE_SHIFT; + +<span class="comment">// include/uapi/linux/mman.h +/* + * Huge page size encoding when MAP_HUGETLB is specified, and a huge page + * size other than the default is desired. See hugetlb_encode.h. + * All known huge page size encodings are provided here. It is the + * responsibility of the application to know which sizes are supported on + * the running system. See mmap(2) man page for details. + */ +</span><span class="kw">pub const </span>MAP_HUGE_SHIFT: ::c_int = HUGETLB_FLAG_ENCODE_SHIFT; +<span class="kw">pub const </span>MAP_HUGE_MASK: ::c_int = HUGETLB_FLAG_ENCODE_MASK; + +<span class="kw">pub const </span>MAP_HUGE_64KB: ::c_int = HUGETLB_FLAG_ENCODE_64KB; +<span class="kw">pub const </span>MAP_HUGE_512KB: ::c_int = HUGETLB_FLAG_ENCODE_512KB; +<span class="kw">pub const </span>MAP_HUGE_1MB: ::c_int = HUGETLB_FLAG_ENCODE_1MB; +<span class="kw">pub const </span>MAP_HUGE_2MB: ::c_int = HUGETLB_FLAG_ENCODE_2MB; +<span class="kw">pub const </span>MAP_HUGE_8MB: ::c_int = HUGETLB_FLAG_ENCODE_8MB; +<span class="kw">pub const </span>MAP_HUGE_16MB: ::c_int = HUGETLB_FLAG_ENCODE_16MB; +<span class="kw">pub const </span>MAP_HUGE_32MB: ::c_int = HUGETLB_FLAG_ENCODE_32MB; +<span class="kw">pub const </span>MAP_HUGE_256MB: ::c_int = HUGETLB_FLAG_ENCODE_256MB; +<span class="kw">pub const </span>MAP_HUGE_512MB: ::c_int = HUGETLB_FLAG_ENCODE_512MB; +<span class="kw">pub const </span>MAP_HUGE_1GB: ::c_int = HUGETLB_FLAG_ENCODE_1GB; +<span class="kw">pub const </span>MAP_HUGE_2GB: ::c_int = HUGETLB_FLAG_ENCODE_2GB; +<span class="kw">pub const </span>MAP_HUGE_16GB: ::c_int = HUGETLB_FLAG_ENCODE_16GB; + +<span class="kw">pub const </span>PRIO_PROCESS: ::__priority_which_t = <span class="number">0</span>; +<span class="kw">pub const </span>PRIO_PGRP: ::__priority_which_t = <span class="number">1</span>; +<span class="kw">pub const </span>PRIO_USER: ::__priority_which_t = <span class="number">2</span>; + +<span class="kw">pub const </span>MS_RMT_MASK: ::c_ulong = <span class="number">0x02800051</span>; + +<span class="kw">pub const </span>__UT_LINESIZE: usize = <span class="number">32</span>; +<span class="kw">pub const </span>__UT_NAMESIZE: usize = <span class="number">32</span>; +<span class="kw">pub const </span>__UT_HOSTSIZE: usize = <span class="number">256</span>; +<span class="kw">pub const </span>EMPTY: ::c_short = <span class="number">0</span>; +<span class="kw">pub const </span>RUN_LVL: ::c_short = <span class="number">1</span>; +<span class="kw">pub const </span>BOOT_TIME: ::c_short = <span class="number">2</span>; +<span class="kw">pub const </span>NEW_TIME: ::c_short = <span class="number">3</span>; +<span class="kw">pub const </span>OLD_TIME: ::c_short = <span class="number">4</span>; +<span class="kw">pub const </span>INIT_PROCESS: ::c_short = <span class="number">5</span>; +<span class="kw">pub const </span>LOGIN_PROCESS: ::c_short = <span class="number">6</span>; +<span class="kw">pub const </span>USER_PROCESS: ::c_short = <span class="number">7</span>; +<span class="kw">pub const </span>DEAD_PROCESS: ::c_short = <span class="number">8</span>; +<span class="kw">pub const </span>ACCOUNTING: ::c_short = <span class="number">9</span>; + +<span class="comment">// dlfcn.h +</span><span class="kw">pub const </span>LM_ID_BASE: ::c_long = <span class="number">0</span>; +<span class="kw">pub const </span>LM_ID_NEWLM: ::c_long = -<span class="number">1</span>; + +<span class="kw">pub const </span>RTLD_DI_LMID: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>RTLD_DI_LINKMAP: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>RTLD_DI_CONFIGADDR: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>RTLD_DI_SERINFO: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>RTLD_DI_SERINFOSIZE: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>RTLD_DI_ORIGIN: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>RTLD_DI_PROFILENAME: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>RTLD_DI_PROFILEOUT: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>RTLD_DI_TLS_MODID: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>RTLD_DI_TLS_DATA: ::c_int = <span class="number">10</span>; + +<span class="kw">pub const </span>SOCK_NONBLOCK: ::c_int = O_NONBLOCK; +<span class="kw">pub const </span>PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK <span class="kw">as </span>::c_uint; + +<span class="kw">pub const </span>SOL_RXRPC: ::c_int = <span class="number">272</span>; +<span class="kw">pub const </span>SOL_PPPOL2TP: ::c_int = <span class="number">273</span>; +<span class="kw">pub const </span>SOL_PNPIPE: ::c_int = <span class="number">275</span>; +<span class="kw">pub const </span>SOL_RDS: ::c_int = <span class="number">276</span>; +<span class="kw">pub const </span>SOL_IUCV: ::c_int = <span class="number">277</span>; +<span class="kw">pub const </span>SOL_CAIF: ::c_int = <span class="number">278</span>; +<span class="kw">pub const </span>SOL_NFC: ::c_int = <span class="number">280</span>; +<span class="kw">pub const </span>SOL_XDP: ::c_int = <span class="number">283</span>; + +<span class="kw">pub const </span>MSG_TRYHARD: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>LC_PAPER: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>LC_NAME: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>LC_ADDRESS: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>LC_TELEPHONE: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>LC_MEASUREMENT: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>LC_IDENTIFICATION: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>LC_PAPER_MASK: ::c_int = <span class="number">1 </span><< LC_PAPER; +<span class="kw">pub const </span>LC_NAME_MASK: ::c_int = <span class="number">1 </span><< LC_NAME; +<span class="kw">pub const </span>LC_ADDRESS_MASK: ::c_int = <span class="number">1 </span><< LC_ADDRESS; +<span class="kw">pub const </span>LC_TELEPHONE_MASK: ::c_int = <span class="number">1 </span><< LC_TELEPHONE; +<span class="kw">pub const </span>LC_MEASUREMENT_MASK: ::c_int = <span class="number">1 </span><< LC_MEASUREMENT; +<span class="kw">pub const </span>LC_IDENTIFICATION_MASK: ::c_int = <span class="number">1 </span><< LC_IDENTIFICATION; +<span class="kw">pub const </span>LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK + | ::LC_NUMERIC_MASK + | ::LC_TIME_MASK + | ::LC_COLLATE_MASK + | ::LC_MONETARY_MASK + | ::LC_MESSAGES_MASK + | LC_PAPER_MASK + | LC_NAME_MASK + | LC_ADDRESS_MASK + | LC_TELEPHONE_MASK + | LC_MEASUREMENT_MASK + | LC_IDENTIFICATION_MASK; + +<span class="kw">pub const </span>ENOTSUP: ::c_int = EOPNOTSUPP; + +<span class="kw">pub const </span>SOCK_SEQPACKET: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>SOCK_DCCP: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>SOCK_PACKET: ::c_int = <span class="number">10</span>; + +<span class="kw">pub const </span>FAN_MARK_INODE: ::c_uint = <span class="number">0x0000_0000</span>; +<span class="kw">pub const </span>FAN_MARK_MOUNT: ::c_uint = <span class="number">0x0000_0010</span>; +<span class="comment">// NOTE: FAN_MARK_FILESYSTEM requires Linux Kernel >= 4.20.0 +</span><span class="kw">pub const </span>FAN_MARK_FILESYSTEM: ::c_uint = <span class="number">0x0000_0100</span>; + +<span class="kw">pub const </span>AF_IB: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>AF_MPLS: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>AF_NFC: ::c_int = <span class="number">39</span>; +<span class="kw">pub const </span>AF_VSOCK: ::c_int = <span class="number">40</span>; +<span class="kw">pub const </span>AF_XDP: ::c_int = <span class="number">44</span>; +<span class="kw">pub const </span>PF_IB: ::c_int = AF_IB; +<span class="kw">pub const </span>PF_MPLS: ::c_int = AF_MPLS; +<span class="kw">pub const </span>PF_NFC: ::c_int = AF_NFC; +<span class="kw">pub const </span>PF_VSOCK: ::c_int = AF_VSOCK; +<span class="kw">pub const </span>PF_XDP: ::c_int = AF_XDP; + +<span class="comment">/* DCCP socket options */ +</span><span class="kw">pub const </span>DCCP_SOCKOPT_PACKET_SIZE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_SERVICE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_CHANGE_L: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_CHANGE_R: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_GET_CUR_MPS: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_SERVER_TIMEWAIT: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_SEND_CSCOV: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_RECV_CSCOV: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_AVAILABLE_CCIDS: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_CCID: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_TX_CCID: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_RX_CCID: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_QPOLICY_ID: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_QPOLICY_TXQLEN: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_CCID_RX_INFO: ::c_int = <span class="number">128</span>; +<span class="kw">pub const </span>DCCP_SOCKOPT_CCID_TX_INFO: ::c_int = <span class="number">192</span>; + +<span class="doccomment">/// maximum number of services provided on the same listening port +</span><span class="kw">pub const </span>DCCP_SERVICE_LIST_MAX_LEN: ::c_int = <span class="number">32</span>; + +<span class="kw">pub const </span>SIGEV_THREAD_ID: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>BUFSIZ: ::c_uint = <span class="number">8192</span>; +<span class="kw">pub const </span>TMP_MAX: ::c_uint = <span class="number">238328</span>; +<span class="kw">pub const </span>FOPEN_MAX: ::c_uint = <span class="number">16</span>; +<span class="kw">pub const </span>FILENAME_MAX: ::c_uint = <span class="number">4096</span>; +<span class="kw">pub const </span>POSIX_MADV_DONTNEED: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>_SC_EQUIV_CLASS_MAX: ::c_int = <span class="number">41</span>; +<span class="kw">pub const </span>_SC_CHARCLASS_NAME_MAX: ::c_int = <span class="number">45</span>; +<span class="kw">pub const </span>_SC_PII: ::c_int = <span class="number">53</span>; +<span class="kw">pub const </span>_SC_PII_XTI: ::c_int = <span class="number">54</span>; +<span class="kw">pub const </span>_SC_PII_SOCKET: ::c_int = <span class="number">55</span>; +<span class="kw">pub const </span>_SC_PII_INTERNET: ::c_int = <span class="number">56</span>; +<span class="kw">pub const </span>_SC_PII_OSI: ::c_int = <span class="number">57</span>; +<span class="kw">pub const </span>_SC_POLL: ::c_int = <span class="number">58</span>; +<span class="kw">pub const </span>_SC_SELECT: ::c_int = <span class="number">59</span>; +<span class="kw">pub const </span>_SC_PII_INTERNET_STREAM: ::c_int = <span class="number">61</span>; +<span class="kw">pub const </span>_SC_PII_INTERNET_DGRAM: ::c_int = <span class="number">62</span>; +<span class="kw">pub const </span>_SC_PII_OSI_COTS: ::c_int = <span class="number">63</span>; +<span class="kw">pub const </span>_SC_PII_OSI_CLTS: ::c_int = <span class="number">64</span>; +<span class="kw">pub const </span>_SC_PII_OSI_M: ::c_int = <span class="number">65</span>; +<span class="kw">pub const </span>_SC_T_IOV_MAX: ::c_int = <span class="number">66</span>; +<span class="kw">pub const </span>_SC_2_C_VERSION: ::c_int = <span class="number">96</span>; +<span class="kw">pub const </span>_SC_CHAR_BIT: ::c_int = <span class="number">101</span>; +<span class="kw">pub const </span>_SC_CHAR_MAX: ::c_int = <span class="number">102</span>; +<span class="kw">pub const </span>_SC_CHAR_MIN: ::c_int = <span class="number">103</span>; +<span class="kw">pub const </span>_SC_INT_MAX: ::c_int = <span class="number">104</span>; +<span class="kw">pub const </span>_SC_INT_MIN: ::c_int = <span class="number">105</span>; +<span class="kw">pub const </span>_SC_LONG_BIT: ::c_int = <span class="number">106</span>; +<span class="kw">pub const </span>_SC_WORD_BIT: ::c_int = <span class="number">107</span>; +<span class="kw">pub const </span>_SC_MB_LEN_MAX: ::c_int = <span class="number">108</span>; +<span class="kw">pub const </span>_SC_SSIZE_MAX: ::c_int = <span class="number">110</span>; +<span class="kw">pub const </span>_SC_SCHAR_MAX: ::c_int = <span class="number">111</span>; +<span class="kw">pub const </span>_SC_SCHAR_MIN: ::c_int = <span class="number">112</span>; +<span class="kw">pub const </span>_SC_SHRT_MAX: ::c_int = <span class="number">113</span>; +<span class="kw">pub const </span>_SC_SHRT_MIN: ::c_int = <span class="number">114</span>; +<span class="kw">pub const </span>_SC_UCHAR_MAX: ::c_int = <span class="number">115</span>; +<span class="kw">pub const </span>_SC_UINT_MAX: ::c_int = <span class="number">116</span>; +<span class="kw">pub const </span>_SC_ULONG_MAX: ::c_int = <span class="number">117</span>; +<span class="kw">pub const </span>_SC_USHRT_MAX: ::c_int = <span class="number">118</span>; +<span class="kw">pub const </span>_SC_NL_ARGMAX: ::c_int = <span class="number">119</span>; +<span class="kw">pub const </span>_SC_NL_LANGMAX: ::c_int = <span class="number">120</span>; +<span class="kw">pub const </span>_SC_NL_MSGMAX: ::c_int = <span class="number">121</span>; +<span class="kw">pub const </span>_SC_NL_NMAX: ::c_int = <span class="number">122</span>; +<span class="kw">pub const </span>_SC_NL_SETMAX: ::c_int = <span class="number">123</span>; +<span class="kw">pub const </span>_SC_NL_TEXTMAX: ::c_int = <span class="number">124</span>; +<span class="kw">pub const </span>_SC_BASE: ::c_int = <span class="number">134</span>; +<span class="kw">pub const </span>_SC_C_LANG_SUPPORT: ::c_int = <span class="number">135</span>; +<span class="kw">pub const </span>_SC_C_LANG_SUPPORT_R: ::c_int = <span class="number">136</span>; +<span class="kw">pub const </span>_SC_DEVICE_IO: ::c_int = <span class="number">140</span>; +<span class="kw">pub const </span>_SC_DEVICE_SPECIFIC: ::c_int = <span class="number">141</span>; +<span class="kw">pub const </span>_SC_DEVICE_SPECIFIC_R: ::c_int = <span class="number">142</span>; +<span class="kw">pub const </span>_SC_FD_MGMT: ::c_int = <span class="number">143</span>; +<span class="kw">pub const </span>_SC_FIFO: ::c_int = <span class="number">144</span>; +<span class="kw">pub const </span>_SC_PIPE: ::c_int = <span class="number">145</span>; +<span class="kw">pub const </span>_SC_FILE_ATTRIBUTES: ::c_int = <span class="number">146</span>; +<span class="kw">pub const </span>_SC_FILE_LOCKING: ::c_int = <span class="number">147</span>; +<span class="kw">pub const </span>_SC_FILE_SYSTEM: ::c_int = <span class="number">148</span>; +<span class="kw">pub const </span>_SC_MULTI_PROCESS: ::c_int = <span class="number">150</span>; +<span class="kw">pub const </span>_SC_SINGLE_PROCESS: ::c_int = <span class="number">151</span>; +<span class="kw">pub const </span>_SC_NETWORKING: ::c_int = <span class="number">152</span>; +<span class="kw">pub const </span>_SC_REGEX_VERSION: ::c_int = <span class="number">156</span>; +<span class="kw">pub const </span>_SC_SIGNALS: ::c_int = <span class="number">158</span>; +<span class="kw">pub const </span>_SC_SYSTEM_DATABASE: ::c_int = <span class="number">162</span>; +<span class="kw">pub const </span>_SC_SYSTEM_DATABASE_R: ::c_int = <span class="number">163</span>; +<span class="kw">pub const </span>_SC_USER_GROUPS: ::c_int = <span class="number">166</span>; +<span class="kw">pub const </span>_SC_USER_GROUPS_R: ::c_int = <span class="number">167</span>; +<span class="kw">pub const </span>_SC_LEVEL1_ICACHE_SIZE: ::c_int = <span class="number">185</span>; +<span class="kw">pub const </span>_SC_LEVEL1_ICACHE_ASSOC: ::c_int = <span class="number">186</span>; +<span class="kw">pub const </span>_SC_LEVEL1_ICACHE_LINESIZE: ::c_int = <span class="number">187</span>; +<span class="kw">pub const </span>_SC_LEVEL1_DCACHE_SIZE: ::c_int = <span class="number">188</span>; +<span class="kw">pub const </span>_SC_LEVEL1_DCACHE_ASSOC: ::c_int = <span class="number">189</span>; +<span class="kw">pub const </span>_SC_LEVEL1_DCACHE_LINESIZE: ::c_int = <span class="number">190</span>; +<span class="kw">pub const </span>_SC_LEVEL2_CACHE_SIZE: ::c_int = <span class="number">191</span>; +<span class="kw">pub const </span>_SC_LEVEL2_CACHE_ASSOC: ::c_int = <span class="number">192</span>; +<span class="kw">pub const </span>_SC_LEVEL2_CACHE_LINESIZE: ::c_int = <span class="number">193</span>; +<span class="kw">pub const </span>_SC_LEVEL3_CACHE_SIZE: ::c_int = <span class="number">194</span>; +<span class="kw">pub const </span>_SC_LEVEL3_CACHE_ASSOC: ::c_int = <span class="number">195</span>; +<span class="kw">pub const </span>_SC_LEVEL3_CACHE_LINESIZE: ::c_int = <span class="number">196</span>; +<span class="kw">pub const </span>_SC_LEVEL4_CACHE_SIZE: ::c_int = <span class="number">197</span>; +<span class="kw">pub const </span>_SC_LEVEL4_CACHE_ASSOC: ::c_int = <span class="number">198</span>; +<span class="kw">pub const </span>_SC_LEVEL4_CACHE_LINESIZE: ::c_int = <span class="number">199</span>; +<span class="kw">pub const </span>O_ACCMODE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>ST_RELATIME: ::c_ulong = <span class="number">4096</span>; +<span class="kw">pub const </span>NI_MAXHOST: ::socklen_t = <span class="number">1025</span>; + +<span class="comment">// Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the +// following are only available on newer Linux versions than the versions +// currently used in CI in some configurations, so we define them here. +</span><span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_arch = <span class="string">"s390x"</span>))] </span>{ + <span class="kw">pub const </span>BINDERFS_SUPER_MAGIC: ::c_long = <span class="number">0x6c6f6f70</span>; + <span class="kw">pub const </span>XFS_SUPER_MAGIC: ::c_long = <span class="number">0x58465342</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_arch = <span class="string">"s390x"</span>)] </span>{ + <span class="kw">pub const </span>BINDERFS_SUPER_MAGIC: ::c_uint = <span class="number">0x6c6f6f70</span>; + <span class="kw">pub const </span>XFS_SUPER_MAGIC: ::c_uint = <span class="number">0x58465342</span>; + } +} + +<span class="kw">pub const </span>CPU_SETSIZE: ::c_int = <span class="number">0x400</span>; + +<span class="kw">pub const </span>PTRACE_TRACEME: ::c_uint = <span class="number">0</span>; +<span class="kw">pub const </span>PTRACE_PEEKTEXT: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>PTRACE_PEEKDATA: ::c_uint = <span class="number">2</span>; +<span class="kw">pub const </span>PTRACE_PEEKUSER: ::c_uint = <span class="number">3</span>; +<span class="kw">pub const </span>PTRACE_POKETEXT: ::c_uint = <span class="number">4</span>; +<span class="kw">pub const </span>PTRACE_POKEDATA: ::c_uint = <span class="number">5</span>; +<span class="kw">pub const </span>PTRACE_POKEUSER: ::c_uint = <span class="number">6</span>; +<span class="kw">pub const </span>PTRACE_CONT: ::c_uint = <span class="number">7</span>; +<span class="kw">pub const </span>PTRACE_KILL: ::c_uint = <span class="number">8</span>; +<span class="kw">pub const </span>PTRACE_SINGLESTEP: ::c_uint = <span class="number">9</span>; +<span class="kw">pub const </span>PTRACE_ATTACH: ::c_uint = <span class="number">16</span>; +<span class="kw">pub const </span>PTRACE_SYSCALL: ::c_uint = <span class="number">24</span>; +<span class="kw">pub const </span>PTRACE_SETOPTIONS: ::c_uint = <span class="number">0x4200</span>; +<span class="kw">pub const </span>PTRACE_GETEVENTMSG: ::c_uint = <span class="number">0x4201</span>; +<span class="kw">pub const </span>PTRACE_GETSIGINFO: ::c_uint = <span class="number">0x4202</span>; +<span class="kw">pub const </span>PTRACE_SETSIGINFO: ::c_uint = <span class="number">0x4203</span>; +<span class="kw">pub const </span>PTRACE_GETREGSET: ::c_uint = <span class="number">0x4204</span>; +<span class="kw">pub const </span>PTRACE_SETREGSET: ::c_uint = <span class="number">0x4205</span>; +<span class="kw">pub const </span>PTRACE_SEIZE: ::c_uint = <span class="number">0x4206</span>; +<span class="kw">pub const </span>PTRACE_INTERRUPT: ::c_uint = <span class="number">0x4207</span>; +<span class="kw">pub const </span>PTRACE_LISTEN: ::c_uint = <span class="number">0x4208</span>; +<span class="kw">pub const </span>PTRACE_PEEKSIGINFO: ::c_uint = <span class="number">0x4209</span>; +<span class="kw">pub const </span>PTRACE_GET_SYSCALL_INFO: ::c_uint = <span class="number">0x420e</span>; + +<span class="comment">// linux/fs.h + +// Flags for preadv2/pwritev2 +</span><span class="kw">pub const </span>RWF_HIPRI: ::c_int = <span class="number">0x00000001</span>; +<span class="kw">pub const </span>RWF_DSYNC: ::c_int = <span class="number">0x00000002</span>; +<span class="kw">pub const </span>RWF_SYNC: ::c_int = <span class="number">0x00000004</span>; +<span class="kw">pub const </span>RWF_NOWAIT: ::c_int = <span class="number">0x00000008</span>; +<span class="kw">pub const </span>RWF_APPEND: ::c_int = <span class="number">0x00000010</span>; + +<span class="comment">// linux/rtnetlink.h +</span><span class="kw">pub const </span>TCA_PAD: ::c_ushort = <span class="number">9</span>; +<span class="kw">pub const </span>TCA_DUMP_INVISIBLE: ::c_ushort = <span class="number">10</span>; +<span class="kw">pub const </span>TCA_CHAIN: ::c_ushort = <span class="number">11</span>; +<span class="kw">pub const </span>TCA_HW_OFFLOAD: ::c_ushort = <span class="number">12</span>; + +<span class="kw">pub const </span>RTM_DELNETCONF: u16 = <span class="number">81</span>; +<span class="kw">pub const </span>RTM_NEWSTATS: u16 = <span class="number">92</span>; +<span class="kw">pub const </span>RTM_GETSTATS: u16 = <span class="number">94</span>; +<span class="kw">pub const </span>RTM_NEWCACHEREPORT: u16 = <span class="number">96</span>; + +<span class="kw">pub const </span>RTM_F_LOOKUP_TABLE: ::c_uint = <span class="number">0x1000</span>; +<span class="kw">pub const </span>RTM_F_FIB_MATCH: ::c_uint = <span class="number">0x2000</span>; + +<span class="kw">pub const </span>RTA_VIA: ::c_ushort = <span class="number">18</span>; +<span class="kw">pub const </span>RTA_NEWDST: ::c_ushort = <span class="number">19</span>; +<span class="kw">pub const </span>RTA_PREF: ::c_ushort = <span class="number">20</span>; +<span class="kw">pub const </span>RTA_ENCAP_TYPE: ::c_ushort = <span class="number">21</span>; +<span class="kw">pub const </span>RTA_ENCAP: ::c_ushort = <span class="number">22</span>; +<span class="kw">pub const </span>RTA_EXPIRES: ::c_ushort = <span class="number">23</span>; +<span class="kw">pub const </span>RTA_PAD: ::c_ushort = <span class="number">24</span>; +<span class="kw">pub const </span>RTA_UID: ::c_ushort = <span class="number">25</span>; +<span class="kw">pub const </span>RTA_TTL_PROPAGATE: ::c_ushort = <span class="number">26</span>; + +<span class="comment">// linux/neighbor.h +</span><span class="kw">pub const </span>NTF_EXT_LEARNED: u8 = <span class="number">0x10</span>; +<span class="kw">pub const </span>NTF_OFFLOADED: u8 = <span class="number">0x20</span>; + +<span class="kw">pub const </span>NDA_MASTER: ::c_ushort = <span class="number">9</span>; +<span class="kw">pub const </span>NDA_LINK_NETNSID: ::c_ushort = <span class="number">10</span>; +<span class="kw">pub const </span>NDA_SRC_VNI: ::c_ushort = <span class="number">11</span>; + +<span class="comment">// linux/personality.h +</span><span class="kw">pub const </span>UNAME26: ::c_int = <span class="number">0x0020000</span>; +<span class="kw">pub const </span>FDPIC_FUNCPTRS: ::c_int = <span class="number">0x0080000</span>; + +<span class="comment">// linux/if_addr.h +</span><span class="kw">pub const </span>IFA_FLAGS: ::c_ushort = <span class="number">8</span>; + +<span class="kw">pub const </span>IFA_F_MANAGETEMPADDR: u32 = <span class="number">0x100</span>; +<span class="kw">pub const </span>IFA_F_NOPREFIXROUTE: u32 = <span class="number">0x200</span>; +<span class="kw">pub const </span>IFA_F_MCAUTOJOIN: u32 = <span class="number">0x400</span>; +<span class="kw">pub const </span>IFA_F_STABLE_PRIVACY: u32 = <span class="number">0x800</span>; + +<span class="kw">pub const </span>MAX_LINKS: ::c_int = <span class="number">32</span>; + +<span class="kw">pub const </span>GENL_UNS_ADMIN_PERM: ::c_int = <span class="number">0x10</span>; + +<span class="kw">pub const </span>GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + <span class="number">1</span>; +<span class="kw">pub const </span>GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + <span class="number">2</span>; + +<span class="comment">// elf.h +</span><span class="kw">pub const </span>NT_PRSTATUS: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NT_PRFPREG: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NT_FPREGSET: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NT_PRPSINFO: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NT_PRXREG: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NT_TASKSTRUCT: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NT_PLATFORM: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NT_AUXV: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NT_GWINDOWS: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NT_ASRS: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NT_PSTATUS: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NT_PSINFO: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NT_PRCRED: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NT_UTSNAME: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NT_LWPSTATUS: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NT_LWPSINFO: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>NT_PRFPXREG: ::c_int = <span class="number">20</span>; + +<span class="kw">pub const </span>ELFOSABI_ARM_AEABI: u8 = <span class="number">64</span>; + +<span class="comment">// linux/keyctl.h +</span><span class="kw">pub const </span>KEYCTL_DH_COMPUTE: u32 = <span class="number">23</span>; +<span class="kw">pub const </span>KEYCTL_PKEY_QUERY: u32 = <span class="number">24</span>; +<span class="kw">pub const </span>KEYCTL_PKEY_ENCRYPT: u32 = <span class="number">25</span>; +<span class="kw">pub const </span>KEYCTL_PKEY_DECRYPT: u32 = <span class="number">26</span>; +<span class="kw">pub const </span>KEYCTL_PKEY_SIGN: u32 = <span class="number">27</span>; +<span class="kw">pub const </span>KEYCTL_PKEY_VERIFY: u32 = <span class="number">28</span>; +<span class="kw">pub const </span>KEYCTL_RESTRICT_KEYRING: u32 = <span class="number">29</span>; + +<span class="kw">pub const </span>KEYCTL_SUPPORTS_ENCRYPT: u32 = <span class="number">0x01</span>; +<span class="kw">pub const </span>KEYCTL_SUPPORTS_DECRYPT: u32 = <span class="number">0x02</span>; +<span class="kw">pub const </span>KEYCTL_SUPPORTS_SIGN: u32 = <span class="number">0x04</span>; +<span class="kw">pub const </span>KEYCTL_SUPPORTS_VERIFY: u32 = <span class="number">0x08</span>; +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(any(target_arch=<span class="string">"mips"</span>, target_arch=<span class="string">"mips64"</span>)))] </span>{ + <span class="kw">pub const </span>KEYCTL_MOVE: u32 = <span class="number">30</span>; + <span class="kw">pub const </span>KEYCTL_CAPABILITIES: u32 = <span class="number">31</span>; + + <span class="kw">pub const </span>KEYCTL_CAPS0_CAPABILITIES: u32 = <span class="number">0x01</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = <span class="number">0x02</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = <span class="number">0x04</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_PUBLIC_KEY: u32 = <span class="number">0x08</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_BIG_KEY: u32 = <span class="number">0x10</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_INVALIDATE: u32 = <span class="number">0x20</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = <span class="number">0x40</span>; + <span class="kw">pub const </span>KEYCTL_CAPS0_MOVE: u32 = <span class="number">0x80</span>; + <span class="kw">pub const </span>KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = <span class="number">0x01</span>; + <span class="kw">pub const </span>KEYCTL_CAPS1_NS_KEY_TAG: u32 = <span class="number">0x02</span>; + } +} + +<span class="kw">pub const </span>M_MXFAST: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>M_NLBLKS: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>M_GRAIN: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>M_KEEP: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>M_TRIM_THRESHOLD: ::c_int = -<span class="number">1</span>; +<span class="kw">pub const </span>M_TOP_PAD: ::c_int = -<span class="number">2</span>; +<span class="kw">pub const </span>M_MMAP_THRESHOLD: ::c_int = -<span class="number">3</span>; +<span class="kw">pub const </span>M_MMAP_MAX: ::c_int = -<span class="number">4</span>; +<span class="kw">pub const </span>M_CHECK_ACTION: ::c_int = -<span class="number">5</span>; +<span class="kw">pub const </span>M_PERTURB: ::c_int = -<span class="number">6</span>; +<span class="kw">pub const </span>M_ARENA_TEST: ::c_int = -<span class="number">7</span>; +<span class="kw">pub const </span>M_ARENA_MAX: ::c_int = -<span class="number">8</span>; + +<span class="kw">pub const </span>AT_STATX_SYNC_TYPE: ::c_int = <span class="number">0x6000</span>; +<span class="kw">pub const </span>AT_STATX_SYNC_AS_STAT: ::c_int = <span class="number">0x0000</span>; +<span class="kw">pub const </span>AT_STATX_FORCE_SYNC: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>AT_STATX_DONT_SYNC: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>STATX_TYPE: ::c_uint = <span class="number">0x0001</span>; +<span class="kw">pub const </span>STATX_MODE: ::c_uint = <span class="number">0x0002</span>; +<span class="kw">pub const </span>STATX_NLINK: ::c_uint = <span class="number">0x0004</span>; +<span class="kw">pub const </span>STATX_UID: ::c_uint = <span class="number">0x0008</span>; +<span class="kw">pub const </span>STATX_GID: ::c_uint = <span class="number">0x0010</span>; +<span class="kw">pub const </span>STATX_ATIME: ::c_uint = <span class="number">0x0020</span>; +<span class="kw">pub const </span>STATX_MTIME: ::c_uint = <span class="number">0x0040</span>; +<span class="kw">pub const </span>STATX_CTIME: ::c_uint = <span class="number">0x0080</span>; +<span class="kw">pub const </span>STATX_INO: ::c_uint = <span class="number">0x0100</span>; +<span class="kw">pub const </span>STATX_SIZE: ::c_uint = <span class="number">0x0200</span>; +<span class="kw">pub const </span>STATX_BLOCKS: ::c_uint = <span class="number">0x0400</span>; +<span class="kw">pub const </span>STATX_BASIC_STATS: ::c_uint = <span class="number">0x07ff</span>; +<span class="kw">pub const </span>STATX_BTIME: ::c_uint = <span class="number">0x0800</span>; +<span class="kw">pub const </span>STATX_MNT_ID: ::c_uint = <span class="number">0x1000</span>; +<span class="kw">pub const </span>STATX_ALL: ::c_uint = <span class="number">0x0fff</span>; +<span class="kw">pub const </span>STATX__RESERVED: ::c_int = <span class="number">0x80000000</span>; +<span class="kw">pub const </span>STATX_ATTR_COMPRESSED: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>STATX_ATTR_IMMUTABLE: ::c_int = <span class="number">0x0010</span>; +<span class="kw">pub const </span>STATX_ATTR_APPEND: ::c_int = <span class="number">0x0020</span>; +<span class="kw">pub const </span>STATX_ATTR_NODUMP: ::c_int = <span class="number">0x0040</span>; +<span class="kw">pub const </span>STATX_ATTR_ENCRYPTED: ::c_int = <span class="number">0x0800</span>; +<span class="kw">pub const </span>STATX_ATTR_AUTOMOUNT: ::c_int = <span class="number">0x1000</span>; +<span class="kw">pub const </span>STATX_ATTR_MOUNT_ROOT: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>STATX_ATTR_VERITY: ::c_int = <span class="number">0x00100000</span>; +<span class="kw">pub const </span>STATX_ATTR_DAX: ::c_int = <span class="number">0x00200000</span>; + +<span class="kw">pub const </span>SOMAXCONN: ::c_int = <span class="number">4096</span>; + +<span class="comment">//sys/timex.h +</span><span class="kw">pub const </span>ADJ_OFFSET: ::c_uint = <span class="number">0x0001</span>; +<span class="kw">pub const </span>ADJ_FREQUENCY: ::c_uint = <span class="number">0x0002</span>; +<span class="kw">pub const </span>ADJ_MAXERROR: ::c_uint = <span class="number">0x0004</span>; +<span class="kw">pub const </span>ADJ_ESTERROR: ::c_uint = <span class="number">0x0008</span>; +<span class="kw">pub const </span>ADJ_STATUS: ::c_uint = <span class="number">0x0010</span>; +<span class="kw">pub const </span>ADJ_TIMECONST: ::c_uint = <span class="number">0x0020</span>; +<span class="kw">pub const </span>ADJ_TAI: ::c_uint = <span class="number">0x0080</span>; +<span class="kw">pub const </span>ADJ_SETOFFSET: ::c_uint = <span class="number">0x0100</span>; +<span class="kw">pub const </span>ADJ_MICRO: ::c_uint = <span class="number">0x1000</span>; +<span class="kw">pub const </span>ADJ_NANO: ::c_uint = <span class="number">0x2000</span>; +<span class="kw">pub const </span>ADJ_TICK: ::c_uint = <span class="number">0x4000</span>; +<span class="kw">pub const </span>ADJ_OFFSET_SINGLESHOT: ::c_uint = <span class="number">0x8001</span>; +<span class="kw">pub const </span>ADJ_OFFSET_SS_READ: ::c_uint = <span class="number">0xa001</span>; +<span class="kw">pub const </span>MOD_OFFSET: ::c_uint = ADJ_OFFSET; +<span class="kw">pub const </span>MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY; +<span class="kw">pub const </span>MOD_MAXERROR: ::c_uint = ADJ_MAXERROR; +<span class="kw">pub const </span>MOD_ESTERROR: ::c_uint = ADJ_ESTERROR; +<span class="kw">pub const </span>MOD_STATUS: ::c_uint = ADJ_STATUS; +<span class="kw">pub const </span>MOD_TIMECONST: ::c_uint = ADJ_TIMECONST; +<span class="kw">pub const </span>MOD_CLKB: ::c_uint = ADJ_TICK; +<span class="kw">pub const </span>MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT; +<span class="kw">pub const </span>MOD_TAI: ::c_uint = ADJ_TAI; +<span class="kw">pub const </span>MOD_MICRO: ::c_uint = ADJ_MICRO; +<span class="kw">pub const </span>MOD_NANO: ::c_uint = ADJ_NANO; +<span class="kw">pub const </span>STA_PLL: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>STA_PPSFREQ: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>STA_PPSTIME: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>STA_FLL: ::c_int = <span class="number">0x0008</span>; +<span class="kw">pub const </span>STA_INS: ::c_int = <span class="number">0x0010</span>; +<span class="kw">pub const </span>STA_DEL: ::c_int = <span class="number">0x0020</span>; +<span class="kw">pub const </span>STA_UNSYNC: ::c_int = <span class="number">0x0040</span>; +<span class="kw">pub const </span>STA_FREQHOLD: ::c_int = <span class="number">0x0080</span>; +<span class="kw">pub const </span>STA_PPSSIGNAL: ::c_int = <span class="number">0x0100</span>; +<span class="kw">pub const </span>STA_PPSJITTER: ::c_int = <span class="number">0x0200</span>; +<span class="kw">pub const </span>STA_PPSWANDER: ::c_int = <span class="number">0x0400</span>; +<span class="kw">pub const </span>STA_PPSERROR: ::c_int = <span class="number">0x0800</span>; +<span class="kw">pub const </span>STA_CLOCKERR: ::c_int = <span class="number">0x1000</span>; +<span class="kw">pub const </span>STA_NANO: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>STA_MODE: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>STA_CLK: ::c_int = <span class="number">0x8000</span>; +<span class="kw">pub const </span>STA_RONLY: ::c_int = STA_PPSSIGNAL + | STA_PPSJITTER + | STA_PPSWANDER + | STA_PPSERROR + | STA_CLOCKERR + | STA_NANO + | STA_MODE + | STA_CLK; +<span class="kw">pub const </span>NTP_API: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>TIME_OK: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>TIME_INS: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>TIME_DEL: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>TIME_OOP: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>TIME_WAIT: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>TIME_ERROR: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>TIME_BAD: ::c_int = TIME_ERROR; +<span class="kw">pub const </span>MAXTC: ::c_long = <span class="number">6</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any( + target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"x86"</span>, + target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"riscv64"</span>, + target_arch = <span class="string">"riscv32" + </span>))] </span>{ + <span class="kw">pub const </span>PTHREAD_STACK_MIN: ::size_t = <span class="number">16384</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any( + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"sparc64" + </span>))] </span>{ + <span class="kw">pub const </span>PTHREAD_STACK_MIN: ::size_t = <span class="number">0x6000</span>; + } <span class="kw">else </span>{ + <span class="kw">pub const </span>PTHREAD_STACK_MIN: ::size_t = <span class="number">131072</span>; + } +} +<span class="kw">pub const </span>PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>REG_STARTEND: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>REG_EEND: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>REG_ESIZE: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>REG_ERPAREN: ::c_int = <span class="number">16</span>; + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>fgetspent_r( + fp: <span class="kw-2">*mut </span>::FILE, + spbuf: <span class="kw-2">*mut </span>::spwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + spbufp: <span class="kw-2">*mut *mut </span>::spwd, + ) -> ::c_int; + <span class="kw">pub fn </span>sgetspent_r( + s: <span class="kw-2">*const </span>::c_char, + spbuf: <span class="kw-2">*mut </span>::spwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + spbufp: <span class="kw-2">*mut *mut </span>::spwd, + ) -> ::c_int; + <span class="kw">pub fn </span>getspent_r( + spbuf: <span class="kw-2">*mut </span>::spwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + spbufp: <span class="kw-2">*mut *mut </span>::spwd, + ) -> ::c_int; + <span class="kw">pub fn </span>qsort_r( + base: <span class="kw-2">*mut </span>::c_void, + num: ::size_t, + size: ::size_t, + compar: ::Option< + <span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*const </span>::c_void, <span class="kw-2">*const </span>::c_void, <span class="kw-2">*mut </span>::c_void) -> ::c_int, + >, + arg: <span class="kw-2">*mut </span>::c_void, + ); + <span class="kw">pub fn </span>sendmmsg( + sockfd: ::c_int, + msgvec: <span class="kw-2">*mut </span>::mmsghdr, + vlen: ::c_uint, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>recvmmsg( + sockfd: ::c_int, + msgvec: <span class="kw-2">*mut </span>::mmsghdr, + vlen: ::c_uint, + flags: ::c_int, + timeout: <span class="kw-2">*mut </span>::timespec, + ) -> ::c_int; + + <span class="kw">pub fn </span>getrlimit64(resource: ::__rlimit_resource_t, rlim: <span class="kw-2">*mut </span>::rlimit64) -> ::c_int; + <span class="kw">pub fn </span>setrlimit64(resource: ::__rlimit_resource_t, rlim: <span class="kw-2">*const </span>::rlimit64) -> ::c_int; + <span class="kw">pub fn </span>getrlimit(resource: ::__rlimit_resource_t, rlim: <span class="kw-2">*mut </span>::rlimit) -> ::c_int; + <span class="kw">pub fn </span>setrlimit(resource: ::__rlimit_resource_t, rlim: <span class="kw-2">*const </span>::rlimit) -> ::c_int; + <span class="kw">pub fn </span>prlimit( + pid: ::pid_t, + resource: ::__rlimit_resource_t, + new_limit: <span class="kw-2">*const </span>::rlimit, + old_limit: <span class="kw-2">*mut </span>::rlimit, + ) -> ::c_int; + <span class="kw">pub fn </span>prlimit64( + pid: ::pid_t, + resource: ::__rlimit_resource_t, + new_limit: <span class="kw-2">*const </span>::rlimit64, + old_limit: <span class="kw-2">*mut </span>::rlimit64, + ) -> ::c_int; + <span class="kw">pub fn </span>utmpname(file: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>utmpxname(file: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>getutxent() -> <span class="kw-2">*mut </span>utmpx; + <span class="kw">pub fn </span>getutxid(ut: <span class="kw-2">*const </span>utmpx) -> <span class="kw-2">*mut </span>utmpx; + <span class="kw">pub fn </span>getutxline(ut: <span class="kw-2">*const </span>utmpx) -> <span class="kw-2">*mut </span>utmpx; + <span class="kw">pub fn </span>pututxline(ut: <span class="kw-2">*const </span>utmpx) -> <span class="kw-2">*mut </span>utmpx; + <span class="kw">pub fn </span>setutxent(); + <span class="kw">pub fn </span>endutxent(); + <span class="kw">pub fn </span>getpt() -> ::c_int; + <span class="kw">pub fn </span>mallopt(param: ::c_int, value: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>gettimeofday(tp: <span class="kw-2">*mut </span>::timeval, tz: <span class="kw-2">*mut </span>::timezone) -> ::c_int; + <span class="kw">pub fn </span>statx( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>c_char, + flags: ::c_int, + mask: ::c_uint, + statxbuf: <span class="kw-2">*mut </span>statx, + ) -> ::c_int; + <span class="kw">pub fn </span>getentropy(buf: <span class="kw-2">*mut </span>::c_void, buflen: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>getrandom(buf: <span class="kw-2">*mut </span>::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t; + <span class="kw">pub fn </span>getauxval(type_: ::c_ulong) -> ::c_ulong; + + <span class="kw">pub fn </span>adjtimex(buf: <span class="kw-2">*mut </span>timex) -> ::c_int; + <span class="kw">pub fn </span>ntp_adjtime(buf: <span class="kw-2">*mut </span>timex) -> ::c_int; + <span class="attribute">#[link_name = <span class="string">"ntp_gettimex"</span>] + </span><span class="kw">pub fn </span>ntp_gettime(buf: <span class="kw-2">*mut </span>ntptimeval) -> ::c_int; + <span class="kw">pub fn </span>clock_adjtime(clk_id: ::clockid_t, buf: <span class="kw-2">*mut </span>::timex) -> ::c_int; + + <span class="kw">pub fn </span>copy_file_range( + fd_in: ::c_int, + off_in: <span class="kw-2">*mut </span>::off64_t, + fd_out: ::c_int, + off_out: <span class="kw-2">*mut </span>::off64_t, + len: ::size_t, + flags: ::c_uint, + ) -> ::ssize_t; + <span class="kw">pub fn </span>fanotify_mark( + fd: ::c_int, + flags: ::c_uint, + mask: u64, + dirfd: ::c_int, + path: <span class="kw-2">*const </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>preadv2( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off_t, + flags: ::c_int, + ) -> ::ssize_t; + <span class="kw">pub fn </span>pwritev2( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off_t, + flags: ::c_int, + ) -> ::ssize_t; + <span class="kw">pub fn </span>preadv64v2( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off64_t, + flags: ::c_int, + ) -> ::ssize_t; + <span class="kw">pub fn </span>pwritev64v2( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off64_t, + flags: ::c_int, + ) -> ::ssize_t; + <span class="kw">pub fn </span>renameat2( + olddirfd: ::c_int, + oldpath: <span class="kw-2">*const </span>::c_char, + newdirfd: ::c_int, + newpath: <span class="kw-2">*const </span>::c_char, + flags: ::c_uint, + ) -> ::c_int; + + <span class="comment">// Added in `glibc` 2.25 + </span><span class="kw">pub fn </span>explicit_bzero(s: <span class="kw-2">*mut </span>::c_void, len: ::size_t); + <span class="comment">// Added in `glibc` 2.29 + </span><span class="kw">pub fn </span>reallocarray(ptr: <span class="kw-2">*mut </span>::c_void, nmemb: ::size_t, size: ::size_t) -> <span class="kw-2">*mut </span>::c_void; + + <span class="kw">pub fn </span>ctermid(s: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int; + <span class="kw">pub fn </span>backtrace(buf: <span class="kw-2">*mut *mut </span>::c_void, sz: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>glob64( + pattern: <span class="kw-2">*const </span>::c_char, + flags: ::c_int, + errfunc: ::Option<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(epath: <span class="kw-2">*const </span>::c_char, errno: ::c_int) -> ::c_int>, + pglob: <span class="kw-2">*mut </span>glob64_t, + ) -> ::c_int; + <span class="kw">pub fn </span>globfree64(pglob: <span class="kw-2">*mut </span>glob64_t); + <span class="kw">pub fn </span>ptrace(request: ::c_uint, ...) -> ::c_long; + <span class="kw">pub fn </span>pthread_attr_getaffinity_np( + attr: <span class="kw-2">*const </span>::pthread_attr_t, + cpusetsize: ::size_t, + cpuset: <span class="kw-2">*mut </span>::cpu_set_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_attr_setaffinity_np( + attr: <span class="kw-2">*mut </span>::pthread_attr_t, + cpusetsize: ::size_t, + cpuset: <span class="kw-2">*const </span>::cpu_set_t, + ) -> ::c_int; + <span class="kw">pub fn </span>getpriority(which: ::__priority_which_t, who: ::id_t) -> ::c_int; + <span class="kw">pub fn </span>setpriority(which: ::__priority_which_t, who: ::id_t, prio: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_rwlockattr_getkind_np( + attr: <span class="kw-2">*const </span>::pthread_rwlockattr_t, + val: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_rwlockattr_setkind_np( + attr: <span class="kw-2">*mut </span>::pthread_rwlockattr_t, + val: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_sigqueue(thread: ::pthread_t, sig: ::c_int, value: ::sigval) -> ::c_int; + <span class="kw">pub fn </span>mallinfo() -> ::mallinfo; + <span class="kw">pub fn </span>mallinfo2() -> ::mallinfo2; + <span class="kw">pub fn </span>malloc_info(options: ::c_int, stream: <span class="kw-2">*mut </span>::FILE) -> ::c_int; + <span class="kw">pub fn </span>malloc_usable_size(ptr: <span class="kw-2">*mut </span>::c_void) -> ::size_t; + <span class="kw">pub fn </span>getpwent_r( + pwd: <span class="kw-2">*mut </span>::passwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>::passwd, + ) -> ::c_int; + <span class="kw">pub fn </span>getgrent_r( + grp: <span class="kw-2">*mut </span>::group, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>::group, + ) -> ::c_int; + <span class="kw">pub fn </span>fgetpwent_r( + stream: <span class="kw-2">*mut </span>::FILE, + pwd: <span class="kw-2">*mut </span>::passwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>::passwd, + ) -> ::c_int; + <span class="kw">pub fn </span>fgetgrent_r( + stream: <span class="kw-2">*mut </span>::FILE, + grp: <span class="kw-2">*mut </span>::group, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>::group, + ) -> ::c_int; + + <span class="kw">pub fn </span>sethostid(hostid: ::c_long) -> ::c_int; + + <span class="kw">pub fn </span>memfd_create(name: <span class="kw-2">*const </span>::c_char, flags: ::c_uint) -> ::c_int; + <span class="kw">pub fn </span>mlock2(addr: <span class="kw-2">*const </span>::c_void, len: ::size_t, flags: ::c_uint) -> ::c_int; + + <span class="kw">pub fn </span>euidaccess(pathname: <span class="kw-2">*const </span>::c_char, mode: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>eaccess(pathname: <span class="kw-2">*const </span>::c_char, mode: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>asctime_r(tm: <span class="kw-2">*const </span>::tm, buf: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + <span class="kw">pub fn </span>ctime_r(timep: <span class="kw-2">*const </span>time_t, buf: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>strftime( + s: <span class="kw-2">*mut </span>::c_char, + max: ::size_t, + format: <span class="kw-2">*const </span>::c_char, + tm: <span class="kw-2">*const </span>::tm, + ) -> ::size_t; + <span class="kw">pub fn </span>strptime(s: <span class="kw-2">*const </span>::c_char, format: <span class="kw-2">*const </span>::c_char, tm: <span class="kw-2">*mut </span>::tm) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>dirname(path: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + <span class="doccomment">/// POSIX version of `basename(3)`, defined in `libgen.h`. + </span><span class="attribute">#[link_name = <span class="string">"__xpg_basename"</span>] + </span><span class="kw">pub fn </span>posix_basename(path: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + <span class="doccomment">/// GNU version of `basename(3)`, defined in `string.h`. + </span><span class="attribute">#[link_name = <span class="string">"basename"</span>] + </span><span class="kw">pub fn </span>gnu_basename(path: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>dlmopen(lmid: Lmid_t, filename: <span class="kw-2">*const </span>::c_char, flag: ::c_int) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>dlinfo(handle: <span class="kw-2">*mut </span>::c_void, request: ::c_int, info: <span class="kw-2">*mut </span>::c_void) -> ::c_int; + <span class="kw">pub fn </span>dladdr1( + addr: <span class="kw-2">*const </span>::c_void, + info: <span class="kw-2">*mut </span>::Dl_info, + extra_info: <span class="kw-2">*mut *mut </span>::c_void, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>malloc_trim(__pad: ::size_t) -> ::c_int; +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>gnu_get_libc_release() -> <span class="kw-2">*const </span>::c_char; + <span class="kw">pub fn </span>gnu_get_libc_version() -> <span class="kw-2">*const </span>::c_char; +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"x86"</span>, + target_arch = <span class="string">"arm"</span>, + target_arch = <span class="string">"m68k"</span>, + target_arch = <span class="string">"mips"</span>, + target_arch = <span class="string">"powerpc"</span>, + target_arch = <span class="string">"sparc"</span>, + target_arch = <span class="string">"riscv32"</span>))] </span>{ + <span class="kw">mod </span>b32; + <span class="kw">pub use </span><span class="self">self</span>::b32::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_arch = <span class="string">"x86_64"</span>, + target_arch = <span class="string">"aarch64"</span>, + target_arch = <span class="string">"powerpc64"</span>, + target_arch = <span class="string">"mips64"</span>, + target_arch = <span class="string">"s390x"</span>, + target_arch = <span class="string">"sparc64"</span>, + target_arch = <span class="string">"riscv64"</span>, + target_arch = <span class="string">"loongarch64"</span>))] </span>{ + <span class="kw">mod </span>b64; + <span class="kw">pub use </span><span class="self">self</span>::b64::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="comment">// Unknown target_arch + </span>} +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_align)] </span>{ + <span class="kw">mod </span>align; + <span class="kw">pub use </span><span class="self">self</span>::align::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="kw">mod </span>no_align; + <span class="kw">pub use </span><span class="self">self</span>::no_align::<span class="kw-2">*</span>; + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/mod.rs.html new file mode 100644 index 0000000..3d0cf08 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/mod.rs.html @@ -0,0 +1,8986 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceSerif4-Regular.ttf.woff2"><link 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id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> 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id="1943">1943</span> +<span id="1944">1944</span> +<span id="1945">1945</span> +<span id="1946">1946</span> +<span id="1947">1947</span> +<span id="1948">1948</span> +<span id="1949">1949</span> +<span id="1950">1950</span> +<span id="1951">1951</span> +<span id="1952">1952</span> +<span id="1953">1953</span> +<span id="1954">1954</span> +<span id="1955">1955</span> +<span id="1956">1956</span> +<span id="1957">1957</span> +<span id="1958">1958</span> +<span id="1959">1959</span> +<span id="1960">1960</span> +<span id="1961">1961</span> +<span id="1962">1962</span> +<span id="1963">1963</span> +<span id="1964">1964</span> +<span id="1965">1965</span> +<span id="1966">1966</span> +<span id="1967">1967</span> +<span id="1968">1968</span> +<span id="1969">1969</span> +<span id="1970">1970</span> +<span id="1971">1971</span> +<span id="1972">1972</span> +<span id="1973">1973</span> +<span id="1974">1974</span> +<span id="1975">1975</span> +<span id="1976">1976</span> +<span id="1977">1977</span> +<span id="1978">1978</span> +<span id="1979">1979</span> +<span id="1980">1980</span> +<span id="1981">1981</span> +<span id="1982">1982</span> +<span id="1983">1983</span> +<span id="1984">1984</span> +<span id="1985">1985</span> +<span id="1986">1986</span> +<span id="1987">1987</span> +<span id="1988">1988</span> +<span id="1989">1989</span> +<span id="1990">1990</span> +<span id="1991">1991</span> +<span id="1992">1992</span> +<span id="1993">1993</span> +<span id="1994">1994</span> +<span id="1995">1995</span> +<span id="1996">1996</span> +<span id="1997">1997</span> +<span id="1998">1998</span> +<span id="1999">1999</span> +<span id="2000">2000</span> +<span id="2001">2001</span> +<span id="2002">2002</span> +<span id="2003">2003</span> +<span id="2004">2004</span> +<span id="2005">2005</span> +<span id="2006">2006</span> +<span id="2007">2007</span> +<span id="2008">2008</span> +<span id="2009">2009</span> +<span id="2010">2010</span> +<span id="2011">2011</span> +<span id="2012">2012</span> +<span id="2013">2013</span> +<span id="2014">2014</span> +<span id="2015">2015</span> +<span id="2016">2016</span> +<span id="2017">2017</span> +<span id="2018">2018</span> +<span id="2019">2019</span> +<span id="2020">2020</span> +<span id="2021">2021</span> +<span id="2022">2022</span> +<span id="2023">2023</span> +<span id="2024">2024</span> +<span id="2025">2025</span> +<span id="2026">2026</span> +<span id="2027">2027</span> +<span id="2028">2028</span> +<span id="2029">2029</span> +<span id="2030">2030</span> +<span id="2031">2031</span> +<span id="2032">2032</span> +<span id="2033">2033</span> +<span id="2034">2034</span> +<span id="2035">2035</span> +<span id="2036">2036</span> +<span id="2037">2037</span> +<span id="2038">2038</span> +<span id="2039">2039</span> +<span id="2040">2040</span> +<span id="2041">2041</span> +<span id="2042">2042</span> +<span id="2043">2043</span> +<span id="2044">2044</span> +<span 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id="3949">3949</span> +<span id="3950">3950</span> +<span id="3951">3951</span> +<span id="3952">3952</span> +<span id="3953">3953</span> +<span id="3954">3954</span> +<span id="3955">3955</span> +<span id="3956">3956</span> +<span id="3957">3957</span> +<span id="3958">3958</span> +<span id="3959">3959</span> +<span id="3960">3960</span> +<span id="3961">3961</span> +<span id="3962">3962</span> +<span id="3963">3963</span> +<span id="3964">3964</span> +<span id="3965">3965</span> +<span id="3966">3966</span> +<span id="3967">3967</span> +<span id="3968">3968</span> +<span id="3969">3969</span> +<span id="3970">3970</span> +<span id="3971">3971</span> +<span id="3972">3972</span> +<span id="3973">3973</span> +<span id="3974">3974</span> +<span id="3975">3975</span> +<span id="3976">3976</span> +<span id="3977">3977</span> +<span id="3978">3978</span> +<span id="3979">3979</span> +<span id="3980">3980</span> +<span id="3981">3981</span> +<span id="3982">3982</span> +<span id="3983">3983</span> +<span id="3984">3984</span> +<span id="3985">3985</span> +<span id="3986">3986</span> +<span id="3987">3987</span> +<span id="3988">3988</span> +<span id="3989">3989</span> +<span id="3990">3990</span> +<span id="3991">3991</span> +<span id="3992">3992</span> +<span id="3993">3993</span> +<span id="3994">3994</span> +<span id="3995">3995</span> +<span id="3996">3996</span> +<span id="3997">3997</span> +<span id="3998">3998</span> +<span id="3999">3999</span> +<span id="4000">4000</span> +<span id="4001">4001</span> +<span id="4002">4002</span> +<span id="4003">4003</span> +<span id="4004">4004</span> +<span id="4005">4005</span> +<span id="4006">4006</span> +<span id="4007">4007</span> +<span id="4008">4008</span> +<span id="4009">4009</span> +<span id="4010">4010</span> +<span id="4011">4011</span> +<span id="4012">4012</span> +<span id="4013">4013</span> +<span id="4014">4014</span> +<span id="4015">4015</span> +<span id="4016">4016</span> +<span id="4017">4017</span> +<span id="4018">4018</span> +<span id="4019">4019</span> +<span id="4020">4020</span> +<span id="4021">4021</span> +<span id="4022">4022</span> +<span id="4023">4023</span> +<span id="4024">4024</span> +<span id="4025">4025</span> +<span id="4026">4026</span> +<span id="4027">4027</span> +<span id="4028">4028</span> +<span id="4029">4029</span> +<span id="4030">4030</span> +<span id="4031">4031</span> +<span id="4032">4032</span> +<span id="4033">4033</span> +<span id="4034">4034</span> +<span id="4035">4035</span> +<span id="4036">4036</span> +<span id="4037">4037</span> +<span id="4038">4038</span> +<span id="4039">4039</span> +<span id="4040">4040</span> +<span id="4041">4041</span> +<span id="4042">4042</span> +<span id="4043">4043</span> +<span id="4044">4044</span> +<span id="4045">4045</span> +<span id="4046">4046</span> +<span id="4047">4047</span> +<span id="4048">4048</span> +<span id="4049">4049</span> +<span id="4050">4050</span> +<span id="4051">4051</span> +<span id="4052">4052</span> +<span id="4053">4053</span> +<span id="4054">4054</span> +<span id="4055">4055</span> +<span id="4056">4056</span> +<span id="4057">4057</span> +<span id="4058">4058</span> +<span id="4059">4059</span> +<span id="4060">4060</span> +<span id="4061">4061</span> +<span id="4062">4062</span> +<span id="4063">4063</span> +<span id="4064">4064</span> +<span id="4065">4065</span> +<span id="4066">4066</span> +<span id="4067">4067</span> +<span id="4068">4068</span> +<span id="4069">4069</span> +<span id="4070">4070</span> +<span id="4071">4071</span> +<span id="4072">4072</span> +<span id="4073">4073</span> +<span id="4074">4074</span> +<span id="4075">4075</span> +<span id="4076">4076</span> +<span id="4077">4077</span> +<span id="4078">4078</span> +<span id="4079">4079</span> +<span id="4080">4080</span> +<span id="4081">4081</span> +<span id="4082">4082</span> +<span id="4083">4083</span> +<span id="4084">4084</span> +<span id="4085">4085</span> +<span id="4086">4086</span> +<span id="4087">4087</span> +<span id="4088">4088</span> +<span id="4089">4089</span> +<span id="4090">4090</span> +<span id="4091">4091</span> +<span id="4092">4092</span> +<span id="4093">4093</span> +<span id="4094">4094</span> +<span id="4095">4095</span> +<span id="4096">4096</span> +<span id="4097">4097</span> +<span id="4098">4098</span> +<span id="4099">4099</span> +<span id="4100">4100</span> +<span id="4101">4101</span> +<span id="4102">4102</span> +<span id="4103">4103</span> +<span id="4104">4104</span> +<span id="4105">4105</span> +<span id="4106">4106</span> +<span id="4107">4107</span> +<span id="4108">4108</span> +<span id="4109">4109</span> +<span id="4110">4110</span> +<span id="4111">4111</span> +<span id="4112">4112</span> +<span id="4113">4113</span> +<span id="4114">4114</span> +<span id="4115">4115</span> +<span id="4116">4116</span> +<span id="4117">4117</span> +<span id="4118">4118</span> +<span id="4119">4119</span> +<span id="4120">4120</span> +<span id="4121">4121</span> +<span id="4122">4122</span> +<span id="4123">4123</span> +<span id="4124">4124</span> +<span id="4125">4125</span> +<span id="4126">4126</span> +<span id="4127">4127</span> +<span id="4128">4128</span> +<span id="4129">4129</span> +<span id="4130">4130</span> +<span id="4131">4131</span> +<span id="4132">4132</span> +<span id="4133">4133</span> +<span id="4134">4134</span> +<span id="4135">4135</span> +<span id="4136">4136</span> +<span id="4137">4137</span> +<span id="4138">4138</span> +<span id="4139">4139</span> +<span id="4140">4140</span> +<span id="4141">4141</span> +<span id="4142">4142</span> +<span id="4143">4143</span> +<span id="4144">4144</span> +<span id="4145">4145</span> +<span id="4146">4146</span> +<span id="4147">4147</span> +<span id="4148">4148</span> +<span id="4149">4149</span> +<span id="4150">4150</span> +<span id="4151">4151</span> +<span id="4152">4152</span> +<span id="4153">4153</span> +<span id="4154">4154</span> +<span id="4155">4155</span> +<span id="4156">4156</span> +<span id="4157">4157</span> +<span id="4158">4158</span> +<span id="4159">4159</span> +<span id="4160">4160</span> +<span id="4161">4161</span> +<span id="4162">4162</span> +<span id="4163">4163</span> +<span id="4164">4164</span> +<span id="4165">4165</span> +<span id="4166">4166</span> +<span id="4167">4167</span> +<span id="4168">4168</span> +<span id="4169">4169</span> +<span id="4170">4170</span> +<span id="4171">4171</span> +<span id="4172">4172</span> +<span id="4173">4173</span> +<span id="4174">4174</span> +<span id="4175">4175</span> +<span id="4176">4176</span> +<span id="4177">4177</span> +<span id="4178">4178</span> +<span id="4179">4179</span> +<span id="4180">4180</span> +<span id="4181">4181</span> +<span id="4182">4182</span> +<span id="4183">4183</span> +<span id="4184">4184</span> +<span id="4185">4185</span> +<span id="4186">4186</span> +<span id="4187">4187</span> +<span id="4188">4188</span> +<span id="4189">4189</span> +<span id="4190">4190</span> +<span id="4191">4191</span> +<span id="4192">4192</span> +<span id="4193">4193</span> +<span id="4194">4194</span> +<span id="4195">4195</span> +<span id="4196">4196</span> +<span id="4197">4197</span> +<span id="4198">4198</span> +<span id="4199">4199</span> +<span id="4200">4200</span> +<span id="4201">4201</span> +<span id="4202">4202</span> +<span id="4203">4203</span> +<span id="4204">4204</span> +<span id="4205">4205</span> +<span id="4206">4206</span> +<span id="4207">4207</span> +<span id="4208">4208</span> +<span id="4209">4209</span> +<span id="4210">4210</span> +<span id="4211">4211</span> +<span id="4212">4212</span> +<span id="4213">4213</span> +<span id="4214">4214</span> +<span id="4215">4215</span> +<span id="4216">4216</span> +<span id="4217">4217</span> +<span id="4218">4218</span> +<span id="4219">4219</span> +<span id="4220">4220</span> +<span id="4221">4221</span> +<span id="4222">4222</span> +<span id="4223">4223</span> +<span id="4224">4224</span> +<span id="4225">4225</span> +<span id="4226">4226</span> +<span id="4227">4227</span> +<span id="4228">4228</span> +<span id="4229">4229</span> +<span id="4230">4230</span> +<span id="4231">4231</span> +<span id="4232">4232</span> +<span id="4233">4233</span> +<span id="4234">4234</span> +<span id="4235">4235</span> +<span id="4236">4236</span> +<span id="4237">4237</span> +<span id="4238">4238</span> +<span id="4239">4239</span> +<span id="4240">4240</span> +<span id="4241">4241</span> +<span id="4242">4242</span> +<span id="4243">4243</span> +<span id="4244">4244</span> +<span id="4245">4245</span> +<span id="4246">4246</span> +<span id="4247">4247</span> +<span id="4248">4248</span> +<span id="4249">4249</span> +<span id="4250">4250</span> +<span id="4251">4251</span> +<span id="4252">4252</span> +<span id="4253">4253</span> +<span id="4254">4254</span> +<span id="4255">4255</span> +<span id="4256">4256</span> +<span id="4257">4257</span> +<span id="4258">4258</span> +<span id="4259">4259</span> +<span id="4260">4260</span> +<span id="4261">4261</span> +<span id="4262">4262</span> +<span id="4263">4263</span> +<span id="4264">4264</span> +<span id="4265">4265</span> +<span id="4266">4266</span> +<span id="4267">4267</span> +<span id="4268">4268</span> +<span id="4269">4269</span> +<span id="4270">4270</span> +<span id="4271">4271</span> +<span id="4272">4272</span> +<span id="4273">4273</span> +<span id="4274">4274</span> +<span id="4275">4275</span> +<span id="4276">4276</span> +<span id="4277">4277</span> +<span id="4278">4278</span> +<span id="4279">4279</span> +<span id="4280">4280</span> +<span id="4281">4281</span> +<span id="4282">4282</span> +<span id="4283">4283</span> +<span id="4284">4284</span> +<span id="4285">4285</span> +<span id="4286">4286</span> +<span id="4287">4287</span> +<span id="4288">4288</span> +<span id="4289">4289</span> +<span id="4290">4290</span> +<span id="4291">4291</span> +<span id="4292">4292</span> +<span id="4293">4293</span> +<span id="4294">4294</span> +<span id="4295">4295</span> +<span id="4296">4296</span> +<span id="4297">4297</span> +<span id="4298">4298</span> +<span id="4299">4299</span> +<span id="4300">4300</span> +<span id="4301">4301</span> +<span id="4302">4302</span> +<span id="4303">4303</span> +<span id="4304">4304</span> +<span id="4305">4305</span> +<span id="4306">4306</span> +<span id="4307">4307</span> +<span id="4308">4308</span> +<span id="4309">4309</span> +<span id="4310">4310</span> +<span id="4311">4311</span> +<span id="4312">4312</span> +<span id="4313">4313</span> +<span id="4314">4314</span> +<span id="4315">4315</span> +<span id="4316">4316</span> +<span id="4317">4317</span> +<span id="4318">4318</span> +<span id="4319">4319</span> +<span id="4320">4320</span> +<span id="4321">4321</span> +<span id="4322">4322</span> +<span id="4323">4323</span> +<span id="4324">4324</span> +<span id="4325">4325</span> +<span id="4326">4326</span> +<span id="4327">4327</span> +<span id="4328">4328</span> +<span id="4329">4329</span> +<span id="4330">4330</span> +<span id="4331">4331</span> +<span id="4332">4332</span> +<span id="4333">4333</span> +<span id="4334">4334</span> +<span id="4335">4335</span> +<span id="4336">4336</span> +<span id="4337">4337</span> +<span id="4338">4338</span> +<span id="4339">4339</span> +<span id="4340">4340</span> +<span id="4341">4341</span> +<span id="4342">4342</span> +<span id="4343">4343</span> +<span id="4344">4344</span> +<span id="4345">4345</span> +<span id="4346">4346</span> +<span id="4347">4347</span> +<span id="4348">4348</span> +<span id="4349">4349</span> +<span id="4350">4350</span> +<span id="4351">4351</span> +<span id="4352">4352</span> +<span id="4353">4353</span> +<span id="4354">4354</span> +<span id="4355">4355</span> +<span id="4356">4356</span> +<span id="4357">4357</span> +<span id="4358">4358</span> +<span id="4359">4359</span> +<span id="4360">4360</span> +<span id="4361">4361</span> +<span id="4362">4362</span> +<span id="4363">4363</span> +<span id="4364">4364</span> +<span id="4365">4365</span> +<span id="4366">4366</span> +<span id="4367">4367</span> +<span id="4368">4368</span> +<span id="4369">4369</span> +<span id="4370">4370</span> +<span id="4371">4371</span> +<span id="4372">4372</span> +<span id="4373">4373</span> +<span id="4374">4374</span> +<span id="4375">4375</span> +<span id="4376">4376</span> +<span id="4377">4377</span> +<span id="4378">4378</span> +<span id="4379">4379</span> +<span id="4380">4380</span> +<span id="4381">4381</span> +<span id="4382">4382</span> +<span id="4383">4383</span> +<span id="4384">4384</span> +<span id="4385">4385</span> +<span id="4386">4386</span> +<span id="4387">4387</span> +<span id="4388">4388</span> +<span id="4389">4389</span> +<span id="4390">4390</span> +<span id="4391">4391</span> +<span id="4392">4392</span> +<span id="4393">4393</span> +<span id="4394">4394</span> +<span id="4395">4395</span> +<span id="4396">4396</span> +<span id="4397">4397</span> +<span id="4398">4398</span> +<span id="4399">4399</span> +<span id="4400">4400</span> +<span id="4401">4401</span> +<span id="4402">4402</span> +<span id="4403">4403</span> +<span id="4404">4404</span> +<span id="4405">4405</span> +<span id="4406">4406</span> +<span id="4407">4407</span> +<span id="4408">4408</span> +<span id="4409">4409</span> +<span id="4410">4410</span> +<span id="4411">4411</span> +<span id="4412">4412</span> +<span id="4413">4413</span> +<span id="4414">4414</span> +<span id="4415">4415</span> +<span id="4416">4416</span> +<span id="4417">4417</span> +<span id="4418">4418</span> +<span id="4419">4419</span> +<span id="4420">4420</span> +<span id="4421">4421</span> +<span id="4422">4422</span> +<span id="4423">4423</span> +<span id="4424">4424</span> +<span id="4425">4425</span> +<span id="4426">4426</span> +<span id="4427">4427</span> +<span id="4428">4428</span> +<span id="4429">4429</span> +<span id="4430">4430</span> +<span id="4431">4431</span> +<span id="4432">4432</span> +<span id="4433">4433</span> +<span id="4434">4434</span> +<span id="4435">4435</span> +<span id="4436">4436</span> +<span id="4437">4437</span> +<span id="4438">4438</span> +<span id="4439">4439</span> +<span id="4440">4440</span> +<span id="4441">4441</span> +<span id="4442">4442</span> +<span id="4443">4443</span> +<span id="4444">4444</span> +<span id="4445">4445</span> +<span id="4446">4446</span> +<span id="4447">4447</span> +<span id="4448">4448</span> +<span id="4449">4449</span> +<span id="4450">4450</span> +<span id="4451">4451</span> +<span id="4452">4452</span> +<span id="4453">4453</span> +<span id="4454">4454</span> +<span id="4455">4455</span> +<span id="4456">4456</span> +<span id="4457">4457</span> +<span id="4458">4458</span> +<span id="4459">4459</span> +<span id="4460">4460</span> +<span id="4461">4461</span> +<span id="4462">4462</span> +<span id="4463">4463</span> +<span id="4464">4464</span> +<span id="4465">4465</span> +<span id="4466">4466</span> +<span id="4467">4467</span> +<span id="4468">4468</span> +<span id="4469">4469</span> +<span id="4470">4470</span> +<span id="4471">4471</span> +<span id="4472">4472</span> +<span id="4473">4473</span> +<span id="4474">4474</span> +<span id="4475">4475</span> +<span id="4476">4476</span> +<span id="4477">4477</span> +<span id="4478">4478</span> +<span id="4479">4479</span> +<span id="4480">4480</span> +<span id="4481">4481</span> +<span id="4482">4482</span> +<span id="4483">4483</span> +<span id="4484">4484</span> +<span id="4485">4485</span> +<span id="4486">4486</span> +<span id="4487">4487</span> +<span id="4488">4488</span> +<span id="4489">4489</span> +<span id="4490">4490</span> +<span id="4491">4491</span> +<span id="4492">4492</span> +</pre><pre class="rust"><code><span class="doccomment">//! Linux-specific definitions for linux-like values + +</span><span class="kw">pub type </span>useconds_t = u32; +<span class="kw">pub type </span>dev_t = u64; +<span class="kw">pub type </span>socklen_t = u32; +<span class="kw">pub type </span>mode_t = u32; +<span class="kw">pub type </span>ino64_t = u64; +<span class="kw">pub type </span>off64_t = i64; +<span class="kw">pub type </span>blkcnt64_t = i64; +<span class="kw">pub type </span>rlim64_t = u64; +<span class="kw">pub type </span>mqd_t = ::c_int; +<span class="kw">pub type </span>nfds_t = ::c_ulong; +<span class="kw">pub type </span>nl_item = ::c_int; +<span class="kw">pub type </span>idtype_t = ::c_uint; +<span class="kw">pub type </span>loff_t = ::c_longlong; +<span class="kw">pub type </span>pthread_key_t = ::c_uint; +<span class="kw">pub type </span>pthread_spinlock_t = ::c_int; + +<span class="kw">pub type </span>__u8 = ::c_uchar; +<span class="kw">pub type </span>__u16 = ::c_ushort; +<span class="kw">pub type </span>__s16 = ::c_short; +<span class="kw">pub type </span>__u32 = ::c_uint; +<span class="kw">pub type </span>__s32 = ::c_int; + +<span class="kw">pub type </span>Elf32_Half = u16; +<span class="kw">pub type </span>Elf32_Word = u32; +<span class="kw">pub type </span>Elf32_Off = u32; +<span class="kw">pub type </span>Elf32_Addr = u32; + +<span class="kw">pub type </span>Elf64_Half = u16; +<span class="kw">pub type </span>Elf64_Word = u32; +<span class="kw">pub type </span>Elf64_Off = u64; +<span class="kw">pub type </span>Elf64_Addr = u64; +<span class="kw">pub type </span>Elf64_Xword = u64; +<span class="kw">pub type </span>Elf64_Sxword = i64; + +<span class="kw">pub type </span>Elf32_Section = u16; +<span class="kw">pub type </span>Elf64_Section = u16; + +<span class="comment">// linux/can.h +</span><span class="kw">pub type </span>canid_t = u32; + +<span class="comment">// linux/can/j1939.h +</span><span class="kw">pub type </span>can_err_mask_t = u32; +<span class="kw">pub type </span>pgn_t = u32; +<span class="kw">pub type </span>priority_t = u8; +<span class="kw">pub type </span>name_t = u64; + +<span class="kw">pub type </span>iconv_t = <span class="kw-2">*mut </span>::c_void; + +<span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug))] +</span><span class="kw">pub enum </span>fpos64_t {} <span class="comment">// FIXME: fill this out with a struct +</span><span class="kw">impl </span>::Copy <span class="kw">for </span>fpos64_t {} +<span class="kw">impl </span>::Clone <span class="kw">for </span>fpos64_t { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> fpos64_t { + <span class="kw-2">*</span><span class="self">self + </span>} +} + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>rlimit64 { + <span class="kw">pub </span>rlim_cur: rlim64_t, + <span class="kw">pub </span>rlim_max: rlim64_t, + } + + <span class="kw">pub struct </span>glob_t { + <span class="kw">pub </span>gl_pathc: ::size_t, + <span class="kw">pub </span>gl_pathv: <span class="kw-2">*mut *mut </span>c_char, + <span class="kw">pub </span>gl_offs: ::size_t, + <span class="kw">pub </span>gl_flags: ::c_int, + + __unused1: <span class="kw-2">*mut </span>::c_void, + __unused2: <span class="kw-2">*mut </span>::c_void, + __unused3: <span class="kw-2">*mut </span>::c_void, + __unused4: <span class="kw-2">*mut </span>::c_void, + __unused5: <span class="kw-2">*mut </span>::c_void, + } + + <span class="kw">pub struct </span>passwd { + <span class="kw">pub </span>pw_name: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>pw_passwd: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>pw_uid: ::uid_t, + <span class="kw">pub </span>pw_gid: ::gid_t, + <span class="kw">pub </span>pw_gecos: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>pw_dir: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>pw_shell: <span class="kw-2">*mut </span>::c_char, + } + + <span class="kw">pub struct </span>spwd { + <span class="kw">pub </span>sp_namp: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>sp_pwdp: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>sp_lstchg: ::c_long, + <span class="kw">pub </span>sp_min: ::c_long, + <span class="kw">pub </span>sp_max: ::c_long, + <span class="kw">pub </span>sp_warn: ::c_long, + <span class="kw">pub </span>sp_inact: ::c_long, + <span class="kw">pub </span>sp_expire: ::c_long, + <span class="kw">pub </span>sp_flag: ::c_ulong, + } + + <span class="kw">pub struct </span>dqblk { + <span class="kw">pub </span>dqb_bhardlimit: u64, + <span class="kw">pub </span>dqb_bsoftlimit: u64, + <span class="kw">pub </span>dqb_curspace: u64, + <span class="kw">pub </span>dqb_ihardlimit: u64, + <span class="kw">pub </span>dqb_isoftlimit: u64, + <span class="kw">pub </span>dqb_curinodes: u64, + <span class="kw">pub </span>dqb_btime: u64, + <span class="kw">pub </span>dqb_itime: u64, + <span class="kw">pub </span>dqb_valid: u32, + } + + <span class="kw">pub struct </span>signalfd_siginfo { + <span class="kw">pub </span>ssi_signo: u32, + <span class="kw">pub </span>ssi_errno: i32, + <span class="kw">pub </span>ssi_code: i32, + <span class="kw">pub </span>ssi_pid: u32, + <span class="kw">pub </span>ssi_uid: u32, + <span class="kw">pub </span>ssi_fd: i32, + <span class="kw">pub </span>ssi_tid: u32, + <span class="kw">pub </span>ssi_band: u32, + <span class="kw">pub </span>ssi_overrun: u32, + <span class="kw">pub </span>ssi_trapno: u32, + <span class="kw">pub </span>ssi_status: i32, + <span class="kw">pub </span>ssi_int: i32, + <span class="kw">pub </span>ssi_ptr: u64, + <span class="kw">pub </span>ssi_utime: u64, + <span class="kw">pub </span>ssi_stime: u64, + <span class="kw">pub </span>ssi_addr: u64, + <span class="kw">pub </span>ssi_addr_lsb: u16, + _pad2: u16, + <span class="kw">pub </span>ssi_syscall: i32, + <span class="kw">pub </span>ssi_call_addr: u64, + <span class="kw">pub </span>ssi_arch: u32, + _pad: [u8; <span class="number">28</span>], + } + + <span class="kw">pub struct </span>itimerspec { + <span class="kw">pub </span>it_interval: ::timespec, + <span class="kw">pub </span>it_value: ::timespec, + } + + <span class="kw">pub struct </span>fsid_t { + __val: [::c_int; <span class="number">2</span>], + } + + <span class="kw">pub struct </span>packet_mreq { + <span class="kw">pub </span>mr_ifindex: ::c_int, + <span class="kw">pub </span>mr_type: ::c_ushort, + <span class="kw">pub </span>mr_alen: ::c_ushort, + <span class="kw">pub </span>mr_address: [::c_uchar; <span class="number">8</span>], + } + + <span class="kw">pub struct </span>cpu_set_t { + <span class="attribute">#[cfg(all(target_pointer_width = <span class="string">"32"</span>, + not(target_arch = <span class="string">"x86_64"</span>)))] + </span>bits: [u32; <span class="number">32</span>], + <span class="attribute">#[cfg(not(all(target_pointer_width = <span class="string">"32"</span>, + not(target_arch = <span class="string">"x86_64"</span>))))] + </span>bits: [u64; <span class="number">16</span>], + } + + <span class="kw">pub struct </span>if_nameindex { + <span class="kw">pub </span>if_index: ::c_uint, + <span class="kw">pub </span>if_name: <span class="kw-2">*mut </span>::c_char, + } + + <span class="comment">// System V IPC + </span><span class="kw">pub struct </span>msginfo { + <span class="kw">pub </span>msgpool: ::c_int, + <span class="kw">pub </span>msgmap: ::c_int, + <span class="kw">pub </span>msgmax: ::c_int, + <span class="kw">pub </span>msgmnb: ::c_int, + <span class="kw">pub </span>msgmni: ::c_int, + <span class="kw">pub </span>msgssz: ::c_int, + <span class="kw">pub </span>msgtql: ::c_int, + <span class="kw">pub </span>msgseg: ::c_ushort, + } + + <span class="kw">pub struct </span>sembuf { + <span class="kw">pub </span>sem_num: ::c_ushort, + <span class="kw">pub </span>sem_op: ::c_short, + <span class="kw">pub </span>sem_flg: ::c_short, + } + + <span class="kw">pub struct </span>input_event { + <span class="kw">pub </span>time: ::timeval, + <span class="kw">pub </span>type_: ::__u16, + <span class="kw">pub </span>code: ::__u16, + <span class="kw">pub </span>value: ::__s32, + } + + <span class="kw">pub struct </span>input_id { + <span class="kw">pub </span>bustype: ::__u16, + <span class="kw">pub </span>vendor: ::__u16, + <span class="kw">pub </span>product: ::__u16, + <span class="kw">pub </span>version: ::__u16, + } + + <span class="kw">pub struct </span>input_absinfo { + <span class="kw">pub </span>value: ::__s32, + <span class="kw">pub </span>minimum: ::__s32, + <span class="kw">pub </span>maximum: ::__s32, + <span class="kw">pub </span>fuzz: ::__s32, + <span class="kw">pub </span>flat: ::__s32, + <span class="kw">pub </span>resolution: ::__s32, + } + + <span class="kw">pub struct </span>input_keymap_entry { + <span class="kw">pub </span>flags: ::__u8, + <span class="kw">pub </span>len: ::__u8, + <span class="kw">pub </span>index: ::__u16, + <span class="kw">pub </span>keycode: ::__u32, + <span class="kw">pub </span>scancode: [::__u8; <span class="number">32</span>], + } + + <span class="kw">pub struct </span>input_mask { + <span class="kw">pub </span>type_: ::__u32, + <span class="kw">pub </span>codes_size: ::__u32, + <span class="kw">pub </span>codes_ptr: ::__u64, + } + + <span class="kw">pub struct </span>ff_replay { + <span class="kw">pub </span>length: ::__u16, + <span class="kw">pub </span>delay: ::__u16, + } + + <span class="kw">pub struct </span>ff_trigger { + <span class="kw">pub </span>button: ::__u16, + <span class="kw">pub </span>interval: ::__u16, + } + + <span class="kw">pub struct </span>ff_envelope { + <span class="kw">pub </span>attack_length: ::__u16, + <span class="kw">pub </span>attack_level: ::__u16, + <span class="kw">pub </span>fade_length: ::__u16, + <span class="kw">pub </span>fade_level: ::__u16, + } + + <span class="kw">pub struct </span>ff_constant_effect { + <span class="kw">pub </span>level: ::__s16, + <span class="kw">pub </span>envelope: ff_envelope, + } + + <span class="kw">pub struct </span>ff_ramp_effect { + <span class="kw">pub </span>start_level: ::__s16, + <span class="kw">pub </span>end_level: ::__s16, + <span class="kw">pub </span>envelope: ff_envelope, + } + + <span class="kw">pub struct </span>ff_condition_effect { + <span class="kw">pub </span>right_saturation: ::__u16, + <span class="kw">pub </span>left_saturation: ::__u16, + + <span class="kw">pub </span>right_coeff: ::__s16, + <span class="kw">pub </span>left_coeff: ::__s16, + + <span class="kw">pub </span>deadband: ::__u16, + <span class="kw">pub </span>center: ::__s16, + } + + <span class="kw">pub struct </span>ff_periodic_effect { + <span class="kw">pub </span>waveform: ::__u16, + <span class="kw">pub </span>period: ::__u16, + <span class="kw">pub </span>magnitude: ::__s16, + <span class="kw">pub </span>offset: ::__s16, + <span class="kw">pub </span>phase: ::__u16, + + <span class="kw">pub </span>envelope: ff_envelope, + + <span class="kw">pub </span>custom_len: ::__u32, + <span class="kw">pub </span>custom_data: <span class="kw-2">*mut </span>::__s16, + } + + <span class="kw">pub struct </span>ff_rumble_effect { + <span class="kw">pub </span>strong_magnitude: ::__u16, + <span class="kw">pub </span>weak_magnitude: ::__u16, + } + + <span class="kw">pub struct </span>ff_effect { + <span class="kw">pub </span>type_: ::__u16, + <span class="kw">pub </span>id: ::__s16, + <span class="kw">pub </span>direction: ::__u16, + <span class="kw">pub </span>trigger: ff_trigger, + <span class="kw">pub </span>replay: ff_replay, + <span class="comment">// FIXME this is actually a union + </span><span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span><span class="kw">pub </span>u: [u64; <span class="number">4</span>], + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span><span class="kw">pub </span>u: [u32; <span class="number">7</span>], + } + + <span class="kw">pub struct </span>uinput_ff_upload { + <span class="kw">pub </span>request_id: ::__u32, + <span class="kw">pub </span>retval: ::__s32, + <span class="kw">pub </span>effect: ff_effect, + <span class="kw">pub </span>old: ff_effect, + } + + <span class="kw">pub struct </span>uinput_ff_erase { + <span class="kw">pub </span>request_id: ::__u32, + <span class="kw">pub </span>retval: ::__s32, + <span class="kw">pub </span>effect_id: ::__u32, + } + + <span class="kw">pub struct </span>uinput_abs_setup { + <span class="kw">pub </span>code: ::__u16, + <span class="kw">pub </span>absinfo: input_absinfo, + } + + <span class="kw">pub struct </span>dl_phdr_info { + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span><span class="kw">pub </span>dlpi_addr: Elf64_Addr, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span><span class="kw">pub </span>dlpi_addr: Elf32_Addr, + + <span class="kw">pub </span>dlpi_name: <span class="kw-2">*const </span>::c_char, + + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span><span class="kw">pub </span>dlpi_phdr: <span class="kw-2">*const </span>Elf64_Phdr, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span><span class="kw">pub </span>dlpi_phdr: <span class="kw-2">*const </span>Elf32_Phdr, + + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span><span class="kw">pub </span>dlpi_phnum: Elf64_Half, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span><span class="kw">pub </span>dlpi_phnum: Elf32_Half, + + <span class="comment">// As of uClibc 1.0.36, the following fields are + // gated behind a "#if 0" block which always evaluates + // to false. So I'm just removing these, and if uClibc changes + // the #if block in the future to include the following fields, these + // will probably need including here. tsidea, skrap + </span><span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] + </span><span class="kw">pub </span>dlpi_adds: ::c_ulonglong, + <span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] + </span><span class="kw">pub </span>dlpi_subs: ::c_ulonglong, + <span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] + </span><span class="kw">pub </span>dlpi_tls_modid: ::size_t, + <span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] + </span><span class="kw">pub </span>dlpi_tls_data: <span class="kw-2">*mut </span>::c_void, + } + + <span class="kw">pub struct </span>Elf32_Ehdr { + <span class="kw">pub </span>e_ident: [::c_uchar; <span class="number">16</span>], + <span class="kw">pub </span>e_type: Elf32_Half, + <span class="kw">pub </span>e_machine: Elf32_Half, + <span class="kw">pub </span>e_version: Elf32_Word, + <span class="kw">pub </span>e_entry: Elf32_Addr, + <span class="kw">pub </span>e_phoff: Elf32_Off, + <span class="kw">pub </span>e_shoff: Elf32_Off, + <span class="kw">pub </span>e_flags: Elf32_Word, + <span class="kw">pub </span>e_ehsize: Elf32_Half, + <span class="kw">pub </span>e_phentsize: Elf32_Half, + <span class="kw">pub </span>e_phnum: Elf32_Half, + <span class="kw">pub </span>e_shentsize: Elf32_Half, + <span class="kw">pub </span>e_shnum: Elf32_Half, + <span class="kw">pub </span>e_shstrndx: Elf32_Half, + } + + <span class="kw">pub struct </span>Elf64_Ehdr { + <span class="kw">pub </span>e_ident: [::c_uchar; <span class="number">16</span>], + <span class="kw">pub </span>e_type: Elf64_Half, + <span class="kw">pub </span>e_machine: Elf64_Half, + <span class="kw">pub </span>e_version: Elf64_Word, + <span class="kw">pub </span>e_entry: Elf64_Addr, + <span class="kw">pub </span>e_phoff: Elf64_Off, + <span class="kw">pub </span>e_shoff: Elf64_Off, + <span class="kw">pub </span>e_flags: Elf64_Word, + <span class="kw">pub </span>e_ehsize: Elf64_Half, + <span class="kw">pub </span>e_phentsize: Elf64_Half, + <span class="kw">pub </span>e_phnum: Elf64_Half, + <span class="kw">pub </span>e_shentsize: Elf64_Half, + <span class="kw">pub </span>e_shnum: Elf64_Half, + <span class="kw">pub </span>e_shstrndx: Elf64_Half, + } + + <span class="kw">pub struct </span>Elf32_Sym { + <span class="kw">pub </span>st_name: Elf32_Word, + <span class="kw">pub </span>st_value: Elf32_Addr, + <span class="kw">pub </span>st_size: Elf32_Word, + <span class="kw">pub </span>st_info: ::c_uchar, + <span class="kw">pub </span>st_other: ::c_uchar, + <span class="kw">pub </span>st_shndx: Elf32_Section, + } + + <span class="kw">pub struct </span>Elf64_Sym { + <span class="kw">pub </span>st_name: Elf64_Word, + <span class="kw">pub </span>st_info: ::c_uchar, + <span class="kw">pub </span>st_other: ::c_uchar, + <span class="kw">pub </span>st_shndx: Elf64_Section, + <span class="kw">pub </span>st_value: Elf64_Addr, + <span class="kw">pub </span>st_size: Elf64_Xword, + } + + <span class="kw">pub struct </span>Elf32_Phdr { + <span class="kw">pub </span>p_type: Elf32_Word, + <span class="kw">pub </span>p_offset: Elf32_Off, + <span class="kw">pub </span>p_vaddr: Elf32_Addr, + <span class="kw">pub </span>p_paddr: Elf32_Addr, + <span class="kw">pub </span>p_filesz: Elf32_Word, + <span class="kw">pub </span>p_memsz: Elf32_Word, + <span class="kw">pub </span>p_flags: Elf32_Word, + <span class="kw">pub </span>p_align: Elf32_Word, + } + + <span class="kw">pub struct </span>Elf64_Phdr { + <span class="kw">pub </span>p_type: Elf64_Word, + <span class="kw">pub </span>p_flags: Elf64_Word, + <span class="kw">pub </span>p_offset: Elf64_Off, + <span class="kw">pub </span>p_vaddr: Elf64_Addr, + <span class="kw">pub </span>p_paddr: Elf64_Addr, + <span class="kw">pub </span>p_filesz: Elf64_Xword, + <span class="kw">pub </span>p_memsz: Elf64_Xword, + <span class="kw">pub </span>p_align: Elf64_Xword, + } + + <span class="kw">pub struct </span>Elf32_Shdr { + <span class="kw">pub </span>sh_name: Elf32_Word, + <span class="kw">pub </span>sh_type: Elf32_Word, + <span class="kw">pub </span>sh_flags: Elf32_Word, + <span class="kw">pub </span>sh_addr: Elf32_Addr, + <span class="kw">pub </span>sh_offset: Elf32_Off, + <span class="kw">pub </span>sh_size: Elf32_Word, + <span class="kw">pub </span>sh_link: Elf32_Word, + <span class="kw">pub </span>sh_info: Elf32_Word, + <span class="kw">pub </span>sh_addralign: Elf32_Word, + <span class="kw">pub </span>sh_entsize: Elf32_Word, + } + + <span class="kw">pub struct </span>Elf64_Shdr { + <span class="kw">pub </span>sh_name: Elf64_Word, + <span class="kw">pub </span>sh_type: Elf64_Word, + <span class="kw">pub </span>sh_flags: Elf64_Xword, + <span class="kw">pub </span>sh_addr: Elf64_Addr, + <span class="kw">pub </span>sh_offset: Elf64_Off, + <span class="kw">pub </span>sh_size: Elf64_Xword, + <span class="kw">pub </span>sh_link: Elf64_Word, + <span class="kw">pub </span>sh_info: Elf64_Word, + <span class="kw">pub </span>sh_addralign: Elf64_Xword, + <span class="kw">pub </span>sh_entsize: Elf64_Xword, + } + + <span class="kw">pub struct </span>ucred { + <span class="kw">pub </span>pid: ::pid_t, + <span class="kw">pub </span>uid: ::uid_t, + <span class="kw">pub </span>gid: ::gid_t, + } + + <span class="kw">pub struct </span>mntent { + <span class="kw">pub </span>mnt_fsname: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mnt_dir: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mnt_type: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mnt_opts: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mnt_freq: ::c_int, + <span class="kw">pub </span>mnt_passno: ::c_int, + } + + <span class="kw">pub struct </span>posix_spawn_file_actions_t { + __allocated: ::c_int, + __used: ::c_int, + __actions: <span class="kw-2">*mut </span>::c_int, + __pad: [::c_int; <span class="number">16</span>], + } + + <span class="kw">pub struct </span>posix_spawnattr_t { + __flags: ::c_short, + __pgrp: ::pid_t, + __sd: ::sigset_t, + __ss: ::sigset_t, + <span class="attribute">#[cfg(target_env = <span class="string">"musl"</span>)] + </span>__prio: ::c_int, + <span class="attribute">#[cfg(not(target_env = <span class="string">"musl"</span>))] + </span>__sp: ::sched_param, + __policy: ::c_int, + __pad: [::c_int; <span class="number">16</span>], + } + + <span class="kw">pub struct </span>genlmsghdr { + <span class="kw">pub </span>cmd: u8, + <span class="kw">pub </span>version: u8, + <span class="kw">pub </span>reserved: u16, + } + + <span class="kw">pub struct </span>in6_pktinfo { + <span class="kw">pub </span>ipi6_addr: ::in6_addr, + <span class="kw">pub </span>ipi6_ifindex: ::c_uint, + } + + <span class="kw">pub struct </span>arpd_request { + <span class="kw">pub </span>req: ::c_ushort, + <span class="kw">pub </span>ip: u32, + <span class="kw">pub </span>dev: ::c_ulong, + <span class="kw">pub </span>stamp: ::c_ulong, + <span class="kw">pub </span>updated: ::c_ulong, + <span class="kw">pub </span>ha: [::c_uchar; ::MAX_ADDR_LEN], + } + + <span class="kw">pub struct </span>inotify_event { + <span class="kw">pub </span>wd: ::c_int, + <span class="kw">pub </span>mask: u32, + <span class="kw">pub </span>cookie: u32, + <span class="kw">pub </span>len: u32 + } + + <span class="kw">pub struct </span>fanotify_response { + <span class="kw">pub </span>fd: ::c_int, + <span class="kw">pub </span>response: __u32, + } + + <span class="kw">pub struct </span>sockaddr_vm { + <span class="kw">pub </span>svm_family: ::sa_family_t, + <span class="kw">pub </span>svm_reserved1: ::c_ushort, + <span class="kw">pub </span>svm_port: ::c_uint, + <span class="kw">pub </span>svm_cid: ::c_uint, + <span class="kw">pub </span>svm_zero: [u8; <span class="number">4</span>] + } + + <span class="kw">pub struct </span>regmatch_t { + <span class="kw">pub </span>rm_so: regoff_t, + <span class="kw">pub </span>rm_eo: regoff_t, + } + + <span class="kw">pub struct </span>sock_extended_err { + <span class="kw">pub </span>ee_errno: u32, + <span class="kw">pub </span>ee_origin: u8, + <span class="kw">pub </span>ee_type: u8, + <span class="kw">pub </span>ee_code: u8, + <span class="kw">pub </span>ee_pad: u8, + <span class="kw">pub </span>ee_info: u32, + <span class="kw">pub </span>ee_data: u32, + } + + <span class="comment">// linux/can.h + </span><span class="kw">pub struct </span>__c_anonymous_sockaddr_can_tp { + <span class="kw">pub </span>rx_id: canid_t, + <span class="kw">pub </span>tx_id: canid_t, + } + + <span class="kw">pub struct </span>__c_anonymous_sockaddr_can_j1939 { + <span class="kw">pub </span>name: u64, + <span class="kw">pub </span>pgn: u32, + <span class="kw">pub </span>addr: u8, + } + + <span class="kw">pub struct </span>can_filter { + <span class="kw">pub </span>can_id: canid_t, + <span class="kw">pub </span>can_mask: canid_t, + } + + <span class="comment">// linux/can/j1939.h + </span><span class="kw">pub struct </span>j1939_filter { + <span class="kw">pub </span>name: name_t, + <span class="kw">pub </span>name_mask: name_t, + <span class="kw">pub </span>pgn: pgn_t, + <span class="kw">pub </span>pgn_mask: pgn_t, + <span class="kw">pub </span>addr: u8, + <span class="kw">pub </span>addr_mask: u8, + } + + <span class="comment">// linux/filter.h + </span><span class="kw">pub struct </span>sock_filter { + <span class="kw">pub </span>code: ::__u16, + <span class="kw">pub </span>jt: ::__u8, + <span class="kw">pub </span>jf: ::__u8, + <span class="kw">pub </span>k: ::__u32, + } + + <span class="kw">pub struct </span>sock_fprog { + <span class="kw">pub </span>len: ::c_ushort, + <span class="kw">pub </span>filter: <span class="kw-2">*mut </span>sock_filter, + } + + <span class="comment">// linux/seccomp.h + </span><span class="kw">pub struct </span>seccomp_data { + <span class="kw">pub </span>nr: ::c_int, + <span class="kw">pub </span>arch: ::__u32, + <span class="kw">pub </span>instruction_pointer: ::__u64, + <span class="kw">pub </span>args: [::__u64; <span class="number">6</span>], + } + + <span class="kw">pub struct </span>nlmsghdr { + <span class="kw">pub </span>nlmsg_len: u32, + <span class="kw">pub </span>nlmsg_type: u16, + <span class="kw">pub </span>nlmsg_flags: u16, + <span class="kw">pub </span>nlmsg_seq: u32, + <span class="kw">pub </span>nlmsg_pid: u32, + } + + <span class="kw">pub struct </span>nlmsgerr { + <span class="kw">pub </span>error: ::c_int, + <span class="kw">pub </span>msg: nlmsghdr, + } + + <span class="kw">pub struct </span>nlattr { + <span class="kw">pub </span>nla_len: u16, + <span class="kw">pub </span>nla_type: u16, + } + + <span class="kw">pub struct </span>file_clone_range { + <span class="kw">pub </span>src_fd: ::__s64, + <span class="kw">pub </span>src_offset: ::__u64, + <span class="kw">pub </span>src_length: ::__u64, + <span class="kw">pub </span>dest_offset: ::__u64, + } + + <span class="kw">pub struct </span>__c_anonymous_ifru_map { + <span class="kw">pub </span>mem_start: ::c_ulong, + <span class="kw">pub </span>mem_end: ::c_ulong, + <span class="kw">pub </span>base_addr: ::c_ushort, + <span class="kw">pub </span>irq: ::c_uchar, + <span class="kw">pub </span>dma: ::c_uchar, + <span class="kw">pub </span>port: ::c_uchar, + } + + <span class="kw">pub struct </span>in6_ifreq { + <span class="kw">pub </span>ifr6_addr: ::in6_addr, + <span class="kw">pub </span>ifr6_prefixlen: u32, + <span class="kw">pub </span>ifr6_ifindex: ::c_int, + } + + <span class="kw">pub struct </span>option { + <span class="kw">pub </span>name: <span class="kw-2">*const </span>::c_char, + <span class="kw">pub </span>has_arg: ::c_int, + <span class="kw">pub </span>flag: <span class="kw-2">*mut </span>::c_int, + <span class="kw">pub </span>val: ::c_int, + } +} + +<span class="macro">s_no_extra_traits! </span>{ + <span class="kw">pub struct </span>sockaddr_nl { + <span class="kw">pub </span>nl_family: ::sa_family_t, + nl_pad: ::c_ushort, + <span class="kw">pub </span>nl_pid: u32, + <span class="kw">pub </span>nl_groups: u32 + } + + <span class="kw">pub struct </span>dirent { + <span class="kw">pub </span>d_ino: ::ino_t, + <span class="kw">pub </span>d_off: ::off_t, + <span class="kw">pub </span>d_reclen: ::c_ushort, + <span class="kw">pub </span>d_type: ::c_uchar, + <span class="kw">pub </span>d_name: [::c_char; <span class="number">256</span>], + } + + <span class="kw">pub struct </span>dirent64 { + <span class="kw">pub </span>d_ino: ::ino64_t, + <span class="kw">pub </span>d_off: ::off64_t, + <span class="kw">pub </span>d_reclen: ::c_ushort, + <span class="kw">pub </span>d_type: ::c_uchar, + <span class="kw">pub </span>d_name: [::c_char; <span class="number">256</span>], + } + + <span class="kw">pub struct </span>sockaddr_alg { + <span class="kw">pub </span>salg_family: ::sa_family_t, + <span class="kw">pub </span>salg_type: [::c_uchar; <span class="number">14</span>], + <span class="kw">pub </span>salg_feat: u32, + <span class="kw">pub </span>salg_mask: u32, + <span class="kw">pub </span>salg_name: [::c_uchar; <span class="number">64</span>], + } + + <span class="kw">pub struct </span>uinput_setup { + <span class="kw">pub </span>id: input_id, + <span class="kw">pub </span>name: [::c_char; UINPUT_MAX_NAME_SIZE], + <span class="kw">pub </span>ff_effects_max: ::__u32, + } + + <span class="kw">pub struct </span>uinput_user_dev { + <span class="kw">pub </span>name: [::c_char; UINPUT_MAX_NAME_SIZE], + <span class="kw">pub </span>id: input_id, + <span class="kw">pub </span>ff_effects_max: ::__u32, + <span class="kw">pub </span>absmax: [::__s32; ABS_CNT], + <span class="kw">pub </span>absmin: [::__s32; ABS_CNT], + <span class="kw">pub </span>absfuzz: [::__s32; ABS_CNT], + <span class="kw">pub </span>absflat: [::__s32; ABS_CNT], + } + + <span class="doccomment">/// WARNING: The `PartialEq`, `Eq` and `Hash` implementations of this + /// type are unsound and will be removed in the future. + </span><span class="attribute">#[deprecated( + note = <span class="string">"this struct has unsafe trait implementations that will be \ + removed in the future"</span>, + since = <span class="string">"0.2.80" + </span>)] + </span><span class="kw">pub struct </span>af_alg_iv { + <span class="kw">pub </span>ivlen: u32, + <span class="kw">pub </span>iv: [::c_uchar; <span class="number">0</span>], + } + + <span class="comment">// x32 compatibility + // See https://sourceware.org/bugzilla/show_bug.cgi?id=21279 + </span><span class="kw">pub struct </span>mq_attr { + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>mq_flags: i64, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>mq_maxmsg: i64, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>mq_msgsize: i64, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>mq_curmsgs: i64, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>pad: [i64; <span class="number">4</span>], + + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>mq_flags: ::c_long, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>mq_maxmsg: ::c_long, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>mq_msgsize: ::c_long, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>mq_curmsgs: ::c_long, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span>pad: [::c_long; <span class="number">4</span>], + } + + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">pub union </span>__c_anonymous_ifr_ifru { + <span class="kw">pub </span>ifru_addr: ::sockaddr, + <span class="kw">pub </span>ifru_dstaddr: ::sockaddr, + <span class="kw">pub </span>ifru_broadaddr: ::sockaddr, + <span class="kw">pub </span>ifru_netmask: ::sockaddr, + <span class="kw">pub </span>ifru_hwaddr: ::sockaddr, + <span class="kw">pub </span>ifru_flags: ::c_short, + <span class="kw">pub </span>ifru_ifindex: ::c_int, + <span class="kw">pub </span>ifru_metric: ::c_int, + <span class="kw">pub </span>ifru_mtu: ::c_int, + <span class="kw">pub </span>ifru_map: __c_anonymous_ifru_map, + <span class="kw">pub </span>ifru_slave: [::c_char; ::IFNAMSIZ], + <span class="kw">pub </span>ifru_newname: [::c_char; ::IFNAMSIZ], + <span class="kw">pub </span>ifru_data: <span class="kw-2">*mut </span>::c_char, + } + + <span class="kw">pub struct </span>ifreq { + <span class="doccomment">/// interface name, e.g. "en0" + </span><span class="kw">pub </span>ifr_name: [::c_char; ::IFNAMSIZ], + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">pub </span>ifr_ifru: __c_anonymous_ifr_ifru, + <span class="attribute">#[cfg(not(libc_union))] + </span><span class="kw">pub </span>ifr_ifru: ::sockaddr, + } +} + +<span class="macro">s_no_extra_traits! </span>{ + <span class="comment">// linux/net_tstamp.h + </span><span class="attribute">#[allow(missing_debug_implementations)] + </span><span class="kw">pub struct </span>sock_txtime { + <span class="kw">pub </span>clockid: ::clockid_t, + <span class="kw">pub </span>flags: ::__u32, + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_union)] </span>{ + <span class="macro">s_no_extra_traits! </span>{ + <span class="comment">// linux/can.h + </span><span class="attribute">#[allow(missing_debug_implementations)] + </span><span class="kw">pub union </span>__c_anonymous_sockaddr_can_can_addr { + <span class="kw">pub </span>tp: __c_anonymous_sockaddr_can_tp, + <span class="kw">pub </span>j1939: __c_anonymous_sockaddr_can_j1939, + } + + <span class="attribute">#[allow(missing_debug_implementations)] + </span><span class="kw">pub struct </span>sockaddr_can { + <span class="kw">pub </span>can_family: ::sa_family_t, + <span class="kw">pub </span>can_ifindex: ::c_int, + <span class="kw">pub </span>can_addr: __c_anonymous_sockaddr_can_can_addr, + } + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"extra_traits"</span>)] </span>{ + <span class="kw">impl </span>PartialEq <span class="kw">for </span>sockaddr_nl { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>sockaddr_nl) -> bool { + <span class="self">self</span>.nl_family == other.nl_family && + <span class="self">self</span>.nl_pid == other.nl_pid && + <span class="self">self</span>.nl_groups == other.nl_groups + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>sockaddr_nl {} + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>sockaddr_nl { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"sockaddr_nl"</span>) + .field(<span class="string">"nl_family"</span>, <span class="kw-2">&</span><span class="self">self</span>.nl_family) + .field(<span class="string">"nl_pid"</span>, <span class="kw-2">&</span><span class="self">self</span>.nl_pid) + .field(<span class="string">"nl_groups"</span>, <span class="kw-2">&</span><span class="self">self</span>.nl_groups) + .finish() + } + } + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>sockaddr_nl { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.nl_family.hash(state); + <span class="self">self</span>.nl_pid.hash(state); + <span class="self">self</span>.nl_groups.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>dirent { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>dirent) -> bool { + <span class="self">self</span>.d_ino == other.d_ino + && <span class="self">self</span>.d_off == other.d_off + && <span class="self">self</span>.d_reclen == other.d_reclen + && <span class="self">self</span>.d_type == other.d_type + && <span class="self">self + </span>.d_name + .iter() + .zip(other.d_name.iter()) + .all(|(a,b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>dirent {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>dirent { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"dirent"</span>) + .field(<span class="string">"d_ino"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_ino) + .field(<span class="string">"d_off"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_off) + .field(<span class="string">"d_reclen"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_reclen) + .field(<span class="string">"d_type"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_type) + <span class="comment">// FIXME: .field("d_name", &self.d_name) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>dirent { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.d_ino.hash(state); + <span class="self">self</span>.d_off.hash(state); + <span class="self">self</span>.d_reclen.hash(state); + <span class="self">self</span>.d_type.hash(state); + <span class="self">self</span>.d_name.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>dirent64 { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>dirent64) -> bool { + <span class="self">self</span>.d_ino == other.d_ino + && <span class="self">self</span>.d_off == other.d_off + && <span class="self">self</span>.d_reclen == other.d_reclen + && <span class="self">self</span>.d_type == other.d_type + && <span class="self">self + </span>.d_name + .iter() + .zip(other.d_name.iter()) + .all(|(a,b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>dirent64 {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>dirent64 { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"dirent64"</span>) + .field(<span class="string">"d_ino"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_ino) + .field(<span class="string">"d_off"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_off) + .field(<span class="string">"d_reclen"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_reclen) + .field(<span class="string">"d_type"</span>, <span class="kw-2">&</span><span class="self">self</span>.d_type) + <span class="comment">// FIXME: .field("d_name", &self.d_name) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>dirent64 { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.d_ino.hash(state); + <span class="self">self</span>.d_off.hash(state); + <span class="self">self</span>.d_reclen.hash(state); + <span class="self">self</span>.d_type.hash(state); + <span class="self">self</span>.d_name.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>pthread_cond_t { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>pthread_cond_t) -> bool { + <span class="self">self</span>.size.iter().zip(other.size.iter()).all(|(a,b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>pthread_cond_t {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>pthread_cond_t { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"pthread_cond_t"</span>) + <span class="comment">// FIXME: .field("size", &self.size) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>pthread_cond_t { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.size.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>pthread_mutex_t { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>pthread_mutex_t) -> bool { + <span class="self">self</span>.size.iter().zip(other.size.iter()).all(|(a,b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>pthread_mutex_t {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>pthread_mutex_t { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"pthread_mutex_t"</span>) + <span class="comment">// FIXME: .field("size", &self.size) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>pthread_mutex_t { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.size.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>pthread_rwlock_t { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>pthread_rwlock_t) -> bool { + <span class="self">self</span>.size.iter().zip(other.size.iter()).all(|(a,b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>pthread_rwlock_t {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>pthread_rwlock_t { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"pthread_rwlock_t"</span>) + <span class="comment">// FIXME: .field("size", &self.size) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>pthread_rwlock_t { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.size.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>sockaddr_alg { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>sockaddr_alg) -> bool { + <span class="self">self</span>.salg_family == other.salg_family + && <span class="self">self + </span>.salg_type + .iter() + .zip(other.salg_type.iter()) + .all(|(a, b)| a == b) + && <span class="self">self</span>.salg_feat == other.salg_feat + && <span class="self">self</span>.salg_mask == other.salg_mask + && <span class="self">self + </span>.salg_name + .iter() + .zip(other.salg_name.iter()) + .all(|(a, b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>sockaddr_alg {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>sockaddr_alg { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"sockaddr_alg"</span>) + .field(<span class="string">"salg_family"</span>, <span class="kw-2">&</span><span class="self">self</span>.salg_family) + .field(<span class="string">"salg_type"</span>, <span class="kw-2">&</span><span class="self">self</span>.salg_type) + .field(<span class="string">"salg_feat"</span>, <span class="kw-2">&</span><span class="self">self</span>.salg_feat) + .field(<span class="string">"salg_mask"</span>, <span class="kw-2">&</span><span class="self">self</span>.salg_mask) + .field(<span class="string">"salg_name"</span>, &&<span class="self">self</span>.salg_name[..]) + .finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>sockaddr_alg { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.salg_family.hash(state); + <span class="self">self</span>.salg_type.hash(state); + <span class="self">self</span>.salg_feat.hash(state); + <span class="self">self</span>.salg_mask.hash(state); + <span class="self">self</span>.salg_name.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>uinput_setup { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>uinput_setup) -> bool { + <span class="self">self</span>.id == other.id + && <span class="self">self</span>.name[..] == other.name[..] + && <span class="self">self</span>.ff_effects_max == other.ff_effects_max + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>uinput_setup {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>uinput_setup { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"uinput_setup"</span>) + .field(<span class="string">"id"</span>, <span class="kw-2">&</span><span class="self">self</span>.id) + .field(<span class="string">"name"</span>, &&<span class="self">self</span>.name[..]) + .field(<span class="string">"ff_effects_max"</span>, <span class="kw-2">&</span><span class="self">self</span>.ff_effects_max) + .finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>uinput_setup { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.id.hash(state); + <span class="self">self</span>.name.hash(state); + <span class="self">self</span>.ff_effects_max.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>uinput_user_dev { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>uinput_user_dev) -> bool { + <span class="self">self</span>.name[..] == other.name[..] + && <span class="self">self</span>.id == other.id + && <span class="self">self</span>.ff_effects_max == other.ff_effects_max + && <span class="self">self</span>.absmax[..] == other.absmax[..] + && <span class="self">self</span>.absmin[..] == other.absmin[..] + && <span class="self">self</span>.absfuzz[..] == other.absfuzz[..] + && <span class="self">self</span>.absflat[..] == other.absflat[..] + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>uinput_user_dev {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>uinput_user_dev { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"uinput_setup"</span>) + .field(<span class="string">"name"</span>, &&<span class="self">self</span>.name[..]) + .field(<span class="string">"id"</span>, <span class="kw-2">&</span><span class="self">self</span>.id) + .field(<span class="string">"ff_effects_max"</span>, <span class="kw-2">&</span><span class="self">self</span>.ff_effects_max) + .field(<span class="string">"absmax"</span>, &&<span class="self">self</span>.absmax[..]) + .field(<span class="string">"absmin"</span>, &&<span class="self">self</span>.absmin[..]) + .field(<span class="string">"absfuzz"</span>, &&<span class="self">self</span>.absfuzz[..]) + .field(<span class="string">"absflat"</span>, &&<span class="self">self</span>.absflat[..]) + .finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>uinput_user_dev { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.name.hash(state); + <span class="self">self</span>.id.hash(state); + <span class="self">self</span>.ff_effects_max.hash(state); + <span class="self">self</span>.absmax.hash(state); + <span class="self">self</span>.absmin.hash(state); + <span class="self">self</span>.absfuzz.hash(state); + <span class="self">self</span>.absflat.hash(state); + } + } + + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>af_alg_iv { + <span class="kw">fn </span>as_slice(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[u8] { + <span class="kw">unsafe </span>{ + ::core::slice::from_raw_parts( + <span class="self">self</span>.iv.as_ptr(), + <span class="self">self</span>.ivlen <span class="kw">as </span>usize + ) + } + } + } + + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>PartialEq <span class="kw">for </span>af_alg_iv { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>af_alg_iv) -> bool { + <span class="kw-2">*</span><span class="self">self</span>.as_slice() == <span class="kw-2">*</span>other.as_slice() + } + } + + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>Eq <span class="kw">for </span>af_alg_iv {} + + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>af_alg_iv { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"af_alg_iv"</span>) + .field(<span class="string">"ivlen"</span>, <span class="kw-2">&</span><span class="self">self</span>.ivlen) + .finish() + } + } + + <span class="attribute">#[allow(deprecated)] + </span><span class="kw">impl </span>::hash::Hash <span class="kw">for </span>af_alg_iv { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.as_slice().hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>mq_attr { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>mq_attr) -> bool { + <span class="self">self</span>.mq_flags == other.mq_flags && + <span class="self">self</span>.mq_maxmsg == other.mq_maxmsg && + <span class="self">self</span>.mq_msgsize == other.mq_msgsize && + <span class="self">self</span>.mq_curmsgs == other.mq_curmsgs + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>mq_attr {} + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>mq_attr { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"mq_attr"</span>) + .field(<span class="string">"mq_flags"</span>, <span class="kw-2">&</span><span class="self">self</span>.mq_flags) + .field(<span class="string">"mq_maxmsg"</span>, <span class="kw-2">&</span><span class="self">self</span>.mq_maxmsg) + .field(<span class="string">"mq_msgsize"</span>, <span class="kw-2">&</span><span class="self">self</span>.mq_msgsize) + .field(<span class="string">"mq_curmsgs"</span>, <span class="kw-2">&</span><span class="self">self</span>.mq_curmsgs) + .finish() + } + } + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>mq_attr { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.mq_flags.hash(state); + <span class="self">self</span>.mq_maxmsg.hash(state); + <span class="self">self</span>.mq_msgsize.hash(state); + <span class="self">self</span>.mq_curmsgs.hash(state); + } + } + <span class="attribute">#[cfg(libc_union)] + </span><span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>__c_anonymous_ifr_ifru { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"ifr_ifru"</span>) + .field(<span class="string">"ifru_addr"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_addr }) + .field(<span class="string">"ifru_dstaddr"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_dstaddr }) + .field(<span class="string">"ifru_broadaddr"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_broadaddr }) + .field(<span class="string">"ifru_netmask"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_netmask }) + .field(<span class="string">"ifru_hwaddr"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_hwaddr }) + .field(<span class="string">"ifru_flags"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_flags }) + .field(<span class="string">"ifru_ifindex"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_ifindex }) + .field(<span class="string">"ifru_metric"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_metric }) + .field(<span class="string">"ifru_mtu"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_mtu }) + .field(<span class="string">"ifru_map"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_map }) + .field(<span class="string">"ifru_slave"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_slave }) + .field(<span class="string">"ifru_newname"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_newname }) + .field(<span class="string">"ifru_data"</span>, <span class="kw">unsafe </span>{ <span class="kw-2">&</span><span class="self">self</span>.ifru_data }) + .finish() + } + } + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>ifreq { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"ifreq"</span>) + .field(<span class="string">"ifr_name"</span>, <span class="kw-2">&</span><span class="self">self</span>.ifr_name) + .field(<span class="string">"ifr_ifru"</span>, <span class="kw-2">&</span><span class="self">self</span>.ifr_ifru) + .finish() + } + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_env = <span class="string">"gnu"</span>, target_env = <span class="string">"musl"</span>))] </span>{ + <span class="kw">pub const </span>ABDAY_1: ::nl_item = <span class="number">0x20000</span>; + <span class="kw">pub const </span>ABDAY_2: ::nl_item = <span class="number">0x20001</span>; + <span class="kw">pub const </span>ABDAY_3: ::nl_item = <span class="number">0x20002</span>; + <span class="kw">pub const </span>ABDAY_4: ::nl_item = <span class="number">0x20003</span>; + <span class="kw">pub const </span>ABDAY_5: ::nl_item = <span class="number">0x20004</span>; + <span class="kw">pub const </span>ABDAY_6: ::nl_item = <span class="number">0x20005</span>; + <span class="kw">pub const </span>ABDAY_7: ::nl_item = <span class="number">0x20006</span>; + + <span class="kw">pub const </span>DAY_1: ::nl_item = <span class="number">0x20007</span>; + <span class="kw">pub const </span>DAY_2: ::nl_item = <span class="number">0x20008</span>; + <span class="kw">pub const </span>DAY_3: ::nl_item = <span class="number">0x20009</span>; + <span class="kw">pub const </span>DAY_4: ::nl_item = <span class="number">0x2000A</span>; + <span class="kw">pub const </span>DAY_5: ::nl_item = <span class="number">0x2000B</span>; + <span class="kw">pub const </span>DAY_6: ::nl_item = <span class="number">0x2000C</span>; + <span class="kw">pub const </span>DAY_7: ::nl_item = <span class="number">0x2000D</span>; + + <span class="kw">pub const </span>ABMON_1: ::nl_item = <span class="number">0x2000E</span>; + <span class="kw">pub const </span>ABMON_2: ::nl_item = <span class="number">0x2000F</span>; + <span class="kw">pub const </span>ABMON_3: ::nl_item = <span class="number">0x20010</span>; + <span class="kw">pub const </span>ABMON_4: ::nl_item = <span class="number">0x20011</span>; + <span class="kw">pub const </span>ABMON_5: ::nl_item = <span class="number">0x20012</span>; + <span class="kw">pub const </span>ABMON_6: ::nl_item = <span class="number">0x20013</span>; + <span class="kw">pub const </span>ABMON_7: ::nl_item = <span class="number">0x20014</span>; + <span class="kw">pub const </span>ABMON_8: ::nl_item = <span class="number">0x20015</span>; + <span class="kw">pub const </span>ABMON_9: ::nl_item = <span class="number">0x20016</span>; + <span class="kw">pub const </span>ABMON_10: ::nl_item = <span class="number">0x20017</span>; + <span class="kw">pub const </span>ABMON_11: ::nl_item = <span class="number">0x20018</span>; + <span class="kw">pub const </span>ABMON_12: ::nl_item = <span class="number">0x20019</span>; + + <span class="kw">pub const </span>MON_1: ::nl_item = <span class="number">0x2001A</span>; + <span class="kw">pub const </span>MON_2: ::nl_item = <span class="number">0x2001B</span>; + <span class="kw">pub const </span>MON_3: ::nl_item = <span class="number">0x2001C</span>; + <span class="kw">pub const </span>MON_4: ::nl_item = <span class="number">0x2001D</span>; + <span class="kw">pub const </span>MON_5: ::nl_item = <span class="number">0x2001E</span>; + <span class="kw">pub const </span>MON_6: ::nl_item = <span class="number">0x2001F</span>; + <span class="kw">pub const </span>MON_7: ::nl_item = <span class="number">0x20020</span>; + <span class="kw">pub const </span>MON_8: ::nl_item = <span class="number">0x20021</span>; + <span class="kw">pub const </span>MON_9: ::nl_item = <span class="number">0x20022</span>; + <span class="kw">pub const </span>MON_10: ::nl_item = <span class="number">0x20023</span>; + <span class="kw">pub const </span>MON_11: ::nl_item = <span class="number">0x20024</span>; + <span class="kw">pub const </span>MON_12: ::nl_item = <span class="number">0x20025</span>; + + <span class="kw">pub const </span>AM_STR: ::nl_item = <span class="number">0x20026</span>; + <span class="kw">pub const </span>PM_STR: ::nl_item = <span class="number">0x20027</span>; + + <span class="kw">pub const </span>D_T_FMT: ::nl_item = <span class="number">0x20028</span>; + <span class="kw">pub const </span>D_FMT: ::nl_item = <span class="number">0x20029</span>; + <span class="kw">pub const </span>T_FMT: ::nl_item = <span class="number">0x2002A</span>; + <span class="kw">pub const </span>T_FMT_AMPM: ::nl_item = <span class="number">0x2002B</span>; + + <span class="kw">pub const </span>ERA: ::nl_item = <span class="number">0x2002C</span>; + <span class="kw">pub const </span>ERA_D_FMT: ::nl_item = <span class="number">0x2002E</span>; + <span class="kw">pub const </span>ALT_DIGITS: ::nl_item = <span class="number">0x2002F</span>; + <span class="kw">pub const </span>ERA_D_T_FMT: ::nl_item = <span class="number">0x20030</span>; + <span class="kw">pub const </span>ERA_T_FMT: ::nl_item = <span class="number">0x20031</span>; + + <span class="kw">pub const </span>CODESET: ::nl_item = <span class="number">14</span>; + <span class="kw">pub const </span>CRNCYSTR: ::nl_item = <span class="number">0x4000F</span>; + <span class="kw">pub const </span>RADIXCHAR: ::nl_item = <span class="number">0x10000</span>; + <span class="kw">pub const </span>THOUSEP: ::nl_item = <span class="number">0x10001</span>; + <span class="kw">pub const </span>YESEXPR: ::nl_item = <span class="number">0x50000</span>; + <span class="kw">pub const </span>NOEXPR: ::nl_item = <span class="number">0x50001</span>; + <span class="kw">pub const </span>YESSTR: ::nl_item = <span class="number">0x50002</span>; + <span class="kw">pub const </span>NOSTR: ::nl_item = <span class="number">0x50003</span>; + } +} + +<span class="kw">pub const </span>RUSAGE_CHILDREN: ::c_int = -<span class="number">1</span>; +<span class="kw">pub const </span>L_tmpnam: ::c_uint = <span class="number">20</span>; +<span class="kw">pub const </span>_PC_LINK_MAX: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>_PC_MAX_CANON: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>_PC_MAX_INPUT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>_PC_NAME_MAX: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>_PC_PATH_MAX: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>_PC_PIPE_BUF: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>_PC_CHOWN_RESTRICTED: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>_PC_NO_TRUNC: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>_PC_VDISABLE: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>_PC_SYNC_IO: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>_PC_ASYNC_IO: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>_PC_PRIO_IO: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>_PC_SOCK_MAXBUF: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>_PC_FILESIZEBITS: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>_PC_REC_INCR_XFER_SIZE: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>_PC_REC_MAX_XFER_SIZE: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>_PC_REC_MIN_XFER_SIZE: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>_PC_REC_XFER_ALIGN: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>_PC_ALLOC_SIZE_MIN: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>_PC_SYMLINK_MAX: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>_PC_2_SYMLINKS: ::c_int = <span class="number">20</span>; + +<span class="kw">pub const </span>MS_NOUSER: ::c_ulong = <span class="number">0xffffffff80000000</span>; + +<span class="kw">pub const </span>_SC_ARG_MAX: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>_SC_CHILD_MAX: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>_SC_CLK_TCK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>_SC_NGROUPS_MAX: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>_SC_OPEN_MAX: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>_SC_STREAM_MAX: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>_SC_TZNAME_MAX: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>_SC_JOB_CONTROL: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>_SC_SAVED_IDS: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>_SC_REALTIME_SIGNALS: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>_SC_PRIORITY_SCHEDULING: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>_SC_TIMERS: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>_SC_ASYNCHRONOUS_IO: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>_SC_PRIORITIZED_IO: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>_SC_SYNCHRONIZED_IO: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>_SC_FSYNC: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>_SC_MAPPED_FILES: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>_SC_MEMLOCK: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>_SC_MEMLOCK_RANGE: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>_SC_MEMORY_PROTECTION: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>_SC_MESSAGE_PASSING: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>_SC_SEMAPHORES: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>_SC_SHARED_MEMORY_OBJECTS: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>_SC_AIO_LISTIO_MAX: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>_SC_AIO_MAX: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>_SC_AIO_PRIO_DELTA_MAX: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>_SC_DELAYTIMER_MAX: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>_SC_MQ_OPEN_MAX: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>_SC_MQ_PRIO_MAX: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>_SC_VERSION: ::c_int = <span class="number">29</span>; +<span class="kw">pub const </span>_SC_PAGESIZE: ::c_int = <span class="number">30</span>; +<span class="kw">pub const </span>_SC_PAGE_SIZE: ::c_int = _SC_PAGESIZE; +<span class="kw">pub const </span>_SC_RTSIG_MAX: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>_SC_SEM_NSEMS_MAX: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>_SC_SEM_VALUE_MAX: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>_SC_SIGQUEUE_MAX: ::c_int = <span class="number">34</span>; +<span class="kw">pub const </span>_SC_TIMER_MAX: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>_SC_BC_BASE_MAX: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>_SC_BC_DIM_MAX: ::c_int = <span class="number">37</span>; +<span class="kw">pub const </span>_SC_BC_SCALE_MAX: ::c_int = <span class="number">38</span>; +<span class="kw">pub const </span>_SC_BC_STRING_MAX: ::c_int = <span class="number">39</span>; +<span class="kw">pub const </span>_SC_COLL_WEIGHTS_MAX: ::c_int = <span class="number">40</span>; +<span class="kw">pub const </span>_SC_EXPR_NEST_MAX: ::c_int = <span class="number">42</span>; +<span class="kw">pub const </span>_SC_LINE_MAX: ::c_int = <span class="number">43</span>; +<span class="kw">pub const </span>_SC_RE_DUP_MAX: ::c_int = <span class="number">44</span>; +<span class="kw">pub const </span>_SC_2_VERSION: ::c_int = <span class="number">46</span>; +<span class="kw">pub const </span>_SC_2_C_BIND: ::c_int = <span class="number">47</span>; +<span class="kw">pub const </span>_SC_2_C_DEV: ::c_int = <span class="number">48</span>; +<span class="kw">pub const </span>_SC_2_FORT_DEV: ::c_int = <span class="number">49</span>; +<span class="kw">pub const </span>_SC_2_FORT_RUN: ::c_int = <span class="number">50</span>; +<span class="kw">pub const </span>_SC_2_SW_DEV: ::c_int = <span class="number">51</span>; +<span class="kw">pub const </span>_SC_2_LOCALEDEF: ::c_int = <span class="number">52</span>; +<span class="kw">pub const </span>_SC_UIO_MAXIOV: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>_SC_IOV_MAX: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>_SC_THREADS: ::c_int = <span class="number">67</span>; +<span class="kw">pub const </span>_SC_THREAD_SAFE_FUNCTIONS: ::c_int = <span class="number">68</span>; +<span class="kw">pub const </span>_SC_GETGR_R_SIZE_MAX: ::c_int = <span class="number">69</span>; +<span class="kw">pub const </span>_SC_GETPW_R_SIZE_MAX: ::c_int = <span class="number">70</span>; +<span class="kw">pub const </span>_SC_LOGIN_NAME_MAX: ::c_int = <span class="number">71</span>; +<span class="kw">pub const </span>_SC_TTY_NAME_MAX: ::c_int = <span class="number">72</span>; +<span class="kw">pub const </span>_SC_THREAD_DESTRUCTOR_ITERATIONS: ::c_int = <span class="number">73</span>; +<span class="kw">pub const </span>_SC_THREAD_KEYS_MAX: ::c_int = <span class="number">74</span>; +<span class="kw">pub const </span>_SC_THREAD_STACK_MIN: ::c_int = <span class="number">75</span>; +<span class="kw">pub const </span>_SC_THREAD_THREADS_MAX: ::c_int = <span class="number">76</span>; +<span class="kw">pub const </span>_SC_THREAD_ATTR_STACKADDR: ::c_int = <span class="number">77</span>; +<span class="kw">pub const </span>_SC_THREAD_ATTR_STACKSIZE: ::c_int = <span class="number">78</span>; +<span class="kw">pub const </span>_SC_THREAD_PRIORITY_SCHEDULING: ::c_int = <span class="number">79</span>; +<span class="kw">pub const </span>_SC_THREAD_PRIO_INHERIT: ::c_int = <span class="number">80</span>; +<span class="kw">pub const </span>_SC_THREAD_PRIO_PROTECT: ::c_int = <span class="number">81</span>; +<span class="kw">pub const </span>_SC_THREAD_PROCESS_SHARED: ::c_int = <span class="number">82</span>; +<span class="kw">pub const </span>_SC_NPROCESSORS_CONF: ::c_int = <span class="number">83</span>; +<span class="kw">pub const </span>_SC_NPROCESSORS_ONLN: ::c_int = <span class="number">84</span>; +<span class="kw">pub const </span>_SC_PHYS_PAGES: ::c_int = <span class="number">85</span>; +<span class="kw">pub const </span>_SC_AVPHYS_PAGES: ::c_int = <span class="number">86</span>; +<span class="kw">pub const </span>_SC_ATEXIT_MAX: ::c_int = <span class="number">87</span>; +<span class="kw">pub const </span>_SC_PASS_MAX: ::c_int = <span class="number">88</span>; +<span class="kw">pub const </span>_SC_XOPEN_VERSION: ::c_int = <span class="number">89</span>; +<span class="kw">pub const </span>_SC_XOPEN_XCU_VERSION: ::c_int = <span class="number">90</span>; +<span class="kw">pub const </span>_SC_XOPEN_UNIX: ::c_int = <span class="number">91</span>; +<span class="kw">pub const </span>_SC_XOPEN_CRYPT: ::c_int = <span class="number">92</span>; +<span class="kw">pub const </span>_SC_XOPEN_ENH_I18N: ::c_int = <span class="number">93</span>; +<span class="kw">pub const </span>_SC_XOPEN_SHM: ::c_int = <span class="number">94</span>; +<span class="kw">pub const </span>_SC_2_CHAR_TERM: ::c_int = <span class="number">95</span>; +<span class="kw">pub const </span>_SC_2_UPE: ::c_int = <span class="number">97</span>; +<span class="kw">pub const </span>_SC_XOPEN_XPG2: ::c_int = <span class="number">98</span>; +<span class="kw">pub const </span>_SC_XOPEN_XPG3: ::c_int = <span class="number">99</span>; +<span class="kw">pub const </span>_SC_XOPEN_XPG4: ::c_int = <span class="number">100</span>; +<span class="kw">pub const </span>_SC_NZERO: ::c_int = <span class="number">109</span>; +<span class="kw">pub const </span>_SC_XBS5_ILP32_OFF32: ::c_int = <span class="number">125</span>; +<span class="kw">pub const </span>_SC_XBS5_ILP32_OFFBIG: ::c_int = <span class="number">126</span>; +<span class="kw">pub const </span>_SC_XBS5_LP64_OFF64: ::c_int = <span class="number">127</span>; +<span class="kw">pub const </span>_SC_XBS5_LPBIG_OFFBIG: ::c_int = <span class="number">128</span>; +<span class="kw">pub const </span>_SC_XOPEN_LEGACY: ::c_int = <span class="number">129</span>; +<span class="kw">pub const </span>_SC_XOPEN_REALTIME: ::c_int = <span class="number">130</span>; +<span class="kw">pub const </span>_SC_XOPEN_REALTIME_THREADS: ::c_int = <span class="number">131</span>; +<span class="kw">pub const </span>_SC_ADVISORY_INFO: ::c_int = <span class="number">132</span>; +<span class="kw">pub const </span>_SC_BARRIERS: ::c_int = <span class="number">133</span>; +<span class="kw">pub const </span>_SC_CLOCK_SELECTION: ::c_int = <span class="number">137</span>; +<span class="kw">pub const </span>_SC_CPUTIME: ::c_int = <span class="number">138</span>; +<span class="kw">pub const </span>_SC_THREAD_CPUTIME: ::c_int = <span class="number">139</span>; +<span class="kw">pub const </span>_SC_MONOTONIC_CLOCK: ::c_int = <span class="number">149</span>; +<span class="kw">pub const </span>_SC_READER_WRITER_LOCKS: ::c_int = <span class="number">153</span>; +<span class="kw">pub const </span>_SC_SPIN_LOCKS: ::c_int = <span class="number">154</span>; +<span class="kw">pub const </span>_SC_REGEXP: ::c_int = <span class="number">155</span>; +<span class="kw">pub const </span>_SC_SHELL: ::c_int = <span class="number">157</span>; +<span class="kw">pub const </span>_SC_SPAWN: ::c_int = <span class="number">159</span>; +<span class="kw">pub const </span>_SC_SPORADIC_SERVER: ::c_int = <span class="number">160</span>; +<span class="kw">pub const </span>_SC_THREAD_SPORADIC_SERVER: ::c_int = <span class="number">161</span>; +<span class="kw">pub const </span>_SC_TIMEOUTS: ::c_int = <span class="number">164</span>; +<span class="kw">pub const </span>_SC_TYPED_MEMORY_OBJECTS: ::c_int = <span class="number">165</span>; +<span class="kw">pub const </span>_SC_2_PBS: ::c_int = <span class="number">168</span>; +<span class="kw">pub const </span>_SC_2_PBS_ACCOUNTING: ::c_int = <span class="number">169</span>; +<span class="kw">pub const </span>_SC_2_PBS_LOCATE: ::c_int = <span class="number">170</span>; +<span class="kw">pub const </span>_SC_2_PBS_MESSAGE: ::c_int = <span class="number">171</span>; +<span class="kw">pub const </span>_SC_2_PBS_TRACK: ::c_int = <span class="number">172</span>; +<span class="kw">pub const </span>_SC_SYMLOOP_MAX: ::c_int = <span class="number">173</span>; +<span class="kw">pub const </span>_SC_STREAMS: ::c_int = <span class="number">174</span>; +<span class="kw">pub const </span>_SC_2_PBS_CHECKPOINT: ::c_int = <span class="number">175</span>; +<span class="kw">pub const </span>_SC_V6_ILP32_OFF32: ::c_int = <span class="number">176</span>; +<span class="kw">pub const </span>_SC_V6_ILP32_OFFBIG: ::c_int = <span class="number">177</span>; +<span class="kw">pub const </span>_SC_V6_LP64_OFF64: ::c_int = <span class="number">178</span>; +<span class="kw">pub const </span>_SC_V6_LPBIG_OFFBIG: ::c_int = <span class="number">179</span>; +<span class="kw">pub const </span>_SC_HOST_NAME_MAX: ::c_int = <span class="number">180</span>; +<span class="kw">pub const </span>_SC_TRACE: ::c_int = <span class="number">181</span>; +<span class="kw">pub const </span>_SC_TRACE_EVENT_FILTER: ::c_int = <span class="number">182</span>; +<span class="kw">pub const </span>_SC_TRACE_INHERIT: ::c_int = <span class="number">183</span>; +<span class="kw">pub const </span>_SC_TRACE_LOG: ::c_int = <span class="number">184</span>; +<span class="kw">pub const </span>_SC_IPV6: ::c_int = <span class="number">235</span>; +<span class="kw">pub const </span>_SC_RAW_SOCKETS: ::c_int = <span class="number">236</span>; +<span class="kw">pub const </span>_SC_V7_ILP32_OFF32: ::c_int = <span class="number">237</span>; +<span class="kw">pub const </span>_SC_V7_ILP32_OFFBIG: ::c_int = <span class="number">238</span>; +<span class="kw">pub const </span>_SC_V7_LP64_OFF64: ::c_int = <span class="number">239</span>; +<span class="kw">pub const </span>_SC_V7_LPBIG_OFFBIG: ::c_int = <span class="number">240</span>; +<span class="kw">pub const </span>_SC_SS_REPL_MAX: ::c_int = <span class="number">241</span>; +<span class="kw">pub const </span>_SC_TRACE_EVENT_NAME_MAX: ::c_int = <span class="number">242</span>; +<span class="kw">pub const </span>_SC_TRACE_NAME_MAX: ::c_int = <span class="number">243</span>; +<span class="kw">pub const </span>_SC_TRACE_SYS_MAX: ::c_int = <span class="number">244</span>; +<span class="kw">pub const </span>_SC_TRACE_USER_EVENT_MAX: ::c_int = <span class="number">245</span>; +<span class="kw">pub const </span>_SC_XOPEN_STREAMS: ::c_int = <span class="number">246</span>; +<span class="kw">pub const </span>_SC_THREAD_ROBUST_PRIO_INHERIT: ::c_int = <span class="number">247</span>; +<span class="kw">pub const </span>_SC_THREAD_ROBUST_PRIO_PROTECT: ::c_int = <span class="number">248</span>; + +<span class="kw">pub const </span>RLIM_SAVED_MAX: ::rlim_t = RLIM_INFINITY; +<span class="kw">pub const </span>RLIM_SAVED_CUR: ::rlim_t = RLIM_INFINITY; + +<span class="comment">// elf.h - Fields in the e_ident array. +</span><span class="kw">pub const </span>EI_NIDENT: usize = <span class="number">16</span>; + +<span class="kw">pub const </span>EI_MAG0: usize = <span class="number">0</span>; +<span class="kw">pub const </span>ELFMAG0: u8 = <span class="number">0x7f</span>; +<span class="kw">pub const </span>EI_MAG1: usize = <span class="number">1</span>; +<span class="kw">pub const </span>ELFMAG1: u8 = <span class="string">b'E'</span>; +<span class="kw">pub const </span>EI_MAG2: usize = <span class="number">2</span>; +<span class="kw">pub const </span>ELFMAG2: u8 = <span class="string">b'L'</span>; +<span class="kw">pub const </span>EI_MAG3: usize = <span class="number">3</span>; +<span class="kw">pub const </span>ELFMAG3: u8 = <span class="string">b'F'</span>; +<span class="kw">pub const </span>SELFMAG: usize = <span class="number">4</span>; + +<span class="kw">pub const </span>EI_CLASS: usize = <span class="number">4</span>; +<span class="kw">pub const </span>ELFCLASSNONE: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>ELFCLASS32: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>ELFCLASS64: u8 = <span class="number">2</span>; +<span class="kw">pub const </span>ELFCLASSNUM: usize = <span class="number">3</span>; + +<span class="kw">pub const </span>EI_DATA: usize = <span class="number">5</span>; +<span class="kw">pub const </span>ELFDATANONE: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>ELFDATA2LSB: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>ELFDATA2MSB: u8 = <span class="number">2</span>; +<span class="kw">pub const </span>ELFDATANUM: usize = <span class="number">3</span>; + +<span class="kw">pub const </span>EI_VERSION: usize = <span class="number">6</span>; + +<span class="kw">pub const </span>EI_OSABI: usize = <span class="number">7</span>; +<span class="kw">pub const </span>ELFOSABI_NONE: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>ELFOSABI_SYSV: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>ELFOSABI_HPUX: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>ELFOSABI_NETBSD: u8 = <span class="number">2</span>; +<span class="kw">pub const </span>ELFOSABI_GNU: u8 = <span class="number">3</span>; +<span class="kw">pub const </span>ELFOSABI_LINUX: u8 = ELFOSABI_GNU; +<span class="kw">pub const </span>ELFOSABI_SOLARIS: u8 = <span class="number">6</span>; +<span class="kw">pub const </span>ELFOSABI_AIX: u8 = <span class="number">7</span>; +<span class="kw">pub const </span>ELFOSABI_IRIX: u8 = <span class="number">8</span>; +<span class="kw">pub const </span>ELFOSABI_FREEBSD: u8 = <span class="number">9</span>; +<span class="kw">pub const </span>ELFOSABI_TRU64: u8 = <span class="number">10</span>; +<span class="kw">pub const </span>ELFOSABI_MODESTO: u8 = <span class="number">11</span>; +<span class="kw">pub const </span>ELFOSABI_OPENBSD: u8 = <span class="number">12</span>; +<span class="kw">pub const </span>ELFOSABI_ARM: u8 = <span class="number">97</span>; +<span class="kw">pub const </span>ELFOSABI_STANDALONE: u8 = <span class="number">255</span>; + +<span class="kw">pub const </span>EI_ABIVERSION: usize = <span class="number">8</span>; + +<span class="kw">pub const </span>EI_PAD: usize = <span class="number">9</span>; + +<span class="comment">// elf.h - Legal values for e_type (object file type). +</span><span class="kw">pub const </span>ET_NONE: u16 = <span class="number">0</span>; +<span class="kw">pub const </span>ET_REL: u16 = <span class="number">1</span>; +<span class="kw">pub const </span>ET_EXEC: u16 = <span class="number">2</span>; +<span class="kw">pub const </span>ET_DYN: u16 = <span class="number">3</span>; +<span class="kw">pub const </span>ET_CORE: u16 = <span class="number">4</span>; +<span class="kw">pub const </span>ET_NUM: u16 = <span class="number">5</span>; +<span class="kw">pub const </span>ET_LOOS: u16 = <span class="number">0xfe00</span>; +<span class="kw">pub const </span>ET_HIOS: u16 = <span class="number">0xfeff</span>; +<span class="kw">pub const </span>ET_LOPROC: u16 = <span class="number">0xff00</span>; +<span class="kw">pub const </span>ET_HIPROC: u16 = <span class="number">0xffff</span>; + +<span class="comment">// elf.h - Legal values for e_machine (architecture). +</span><span class="kw">pub const </span>EM_NONE: u16 = <span class="number">0</span>; +<span class="kw">pub const </span>EM_M32: u16 = <span class="number">1</span>; +<span class="kw">pub const </span>EM_SPARC: u16 = <span class="number">2</span>; +<span class="kw">pub const </span>EM_386: u16 = <span class="number">3</span>; +<span class="kw">pub const </span>EM_68K: u16 = <span class="number">4</span>; +<span class="kw">pub const </span>EM_88K: u16 = <span class="number">5</span>; +<span class="kw">pub const </span>EM_860: u16 = <span class="number">7</span>; +<span class="kw">pub const </span>EM_MIPS: u16 = <span class="number">8</span>; +<span class="kw">pub const </span>EM_S370: u16 = <span class="number">9</span>; +<span class="kw">pub const </span>EM_MIPS_RS3_LE: u16 = <span class="number">10</span>; +<span class="kw">pub const </span>EM_PARISC: u16 = <span class="number">15</span>; +<span class="kw">pub const </span>EM_VPP500: u16 = <span class="number">17</span>; +<span class="kw">pub const </span>EM_SPARC32PLUS: u16 = <span class="number">18</span>; +<span class="kw">pub const </span>EM_960: u16 = <span class="number">19</span>; +<span class="kw">pub const </span>EM_PPC: u16 = <span class="number">20</span>; +<span class="kw">pub const </span>EM_PPC64: u16 = <span class="number">21</span>; +<span class="kw">pub const </span>EM_S390: u16 = <span class="number">22</span>; +<span class="kw">pub const </span>EM_V800: u16 = <span class="number">36</span>; +<span class="kw">pub const </span>EM_FR20: u16 = <span class="number">37</span>; +<span class="kw">pub const </span>EM_RH32: u16 = <span class="number">38</span>; +<span class="kw">pub const </span>EM_RCE: u16 = <span class="number">39</span>; +<span class="kw">pub const </span>EM_ARM: u16 = <span class="number">40</span>; +<span class="kw">pub const </span>EM_FAKE_ALPHA: u16 = <span class="number">41</span>; +<span class="kw">pub const </span>EM_SH: u16 = <span class="number">42</span>; +<span class="kw">pub const </span>EM_SPARCV9: u16 = <span class="number">43</span>; +<span class="kw">pub const </span>EM_TRICORE: u16 = <span class="number">44</span>; +<span class="kw">pub const </span>EM_ARC: u16 = <span class="number">45</span>; +<span class="kw">pub const </span>EM_H8_300: u16 = <span class="number">46</span>; +<span class="kw">pub const </span>EM_H8_300H: u16 = <span class="number">47</span>; +<span class="kw">pub const </span>EM_H8S: u16 = <span class="number">48</span>; +<span class="kw">pub const </span>EM_H8_500: u16 = <span class="number">49</span>; +<span class="kw">pub const </span>EM_IA_64: u16 = <span class="number">50</span>; +<span class="kw">pub const </span>EM_MIPS_X: u16 = <span class="number">51</span>; +<span class="kw">pub const </span>EM_COLDFIRE: u16 = <span class="number">52</span>; +<span class="kw">pub const </span>EM_68HC12: u16 = <span class="number">53</span>; +<span class="kw">pub const </span>EM_MMA: u16 = <span class="number">54</span>; +<span class="kw">pub const </span>EM_PCP: u16 = <span class="number">55</span>; +<span class="kw">pub const </span>EM_NCPU: u16 = <span class="number">56</span>; +<span class="kw">pub const </span>EM_NDR1: u16 = <span class="number">57</span>; +<span class="kw">pub const </span>EM_STARCORE: u16 = <span class="number">58</span>; +<span class="kw">pub const </span>EM_ME16: u16 = <span class="number">59</span>; +<span class="kw">pub const </span>EM_ST100: u16 = <span class="number">60</span>; +<span class="kw">pub const </span>EM_TINYJ: u16 = <span class="number">61</span>; +<span class="kw">pub const </span>EM_X86_64: u16 = <span class="number">62</span>; +<span class="kw">pub const </span>EM_PDSP: u16 = <span class="number">63</span>; +<span class="kw">pub const </span>EM_FX66: u16 = <span class="number">66</span>; +<span class="kw">pub const </span>EM_ST9PLUS: u16 = <span class="number">67</span>; +<span class="kw">pub const </span>EM_ST7: u16 = <span class="number">68</span>; +<span class="kw">pub const </span>EM_68HC16: u16 = <span class="number">69</span>; +<span class="kw">pub const </span>EM_68HC11: u16 = <span class="number">70</span>; +<span class="kw">pub const </span>EM_68HC08: u16 = <span class="number">71</span>; +<span class="kw">pub const </span>EM_68HC05: u16 = <span class="number">72</span>; +<span class="kw">pub const </span>EM_SVX: u16 = <span class="number">73</span>; +<span class="kw">pub const </span>EM_ST19: u16 = <span class="number">74</span>; +<span class="kw">pub const </span>EM_VAX: u16 = <span class="number">75</span>; +<span class="kw">pub const </span>EM_CRIS: u16 = <span class="number">76</span>; +<span class="kw">pub const </span>EM_JAVELIN: u16 = <span class="number">77</span>; +<span class="kw">pub const </span>EM_FIREPATH: u16 = <span class="number">78</span>; +<span class="kw">pub const </span>EM_ZSP: u16 = <span class="number">79</span>; +<span class="kw">pub const </span>EM_MMIX: u16 = <span class="number">80</span>; +<span class="kw">pub const </span>EM_HUANY: u16 = <span class="number">81</span>; +<span class="kw">pub const </span>EM_PRISM: u16 = <span class="number">82</span>; +<span class="kw">pub const </span>EM_AVR: u16 = <span class="number">83</span>; +<span class="kw">pub const </span>EM_FR30: u16 = <span class="number">84</span>; +<span class="kw">pub const </span>EM_D10V: u16 = <span class="number">85</span>; +<span class="kw">pub const </span>EM_D30V: u16 = <span class="number">86</span>; +<span class="kw">pub const </span>EM_V850: u16 = <span class="number">87</span>; +<span class="kw">pub const </span>EM_M32R: u16 = <span class="number">88</span>; +<span class="kw">pub const </span>EM_MN10300: u16 = <span class="number">89</span>; +<span class="kw">pub const </span>EM_MN10200: u16 = <span class="number">90</span>; +<span class="kw">pub const </span>EM_PJ: u16 = <span class="number">91</span>; +<span class="kw">pub const </span>EM_OPENRISC: u16 = <span class="number">92</span>; +<span class="kw">pub const </span>EM_ARC_A5: u16 = <span class="number">93</span>; +<span class="kw">pub const </span>EM_XTENSA: u16 = <span class="number">94</span>; +<span class="kw">pub const </span>EM_AARCH64: u16 = <span class="number">183</span>; +<span class="kw">pub const </span>EM_TILEPRO: u16 = <span class="number">188</span>; +<span class="kw">pub const </span>EM_TILEGX: u16 = <span class="number">191</span>; +<span class="kw">pub const </span>EM_ALPHA: u16 = <span class="number">0x9026</span>; + +<span class="comment">// elf.h - Legal values for e_version (version). +</span><span class="kw">pub const </span>EV_NONE: u32 = <span class="number">0</span>; +<span class="kw">pub const </span>EV_CURRENT: u32 = <span class="number">1</span>; +<span class="kw">pub const </span>EV_NUM: u32 = <span class="number">2</span>; + +<span class="comment">// elf.h - Legal values for p_type (segment type). +</span><span class="kw">pub const </span>PT_NULL: u32 = <span class="number">0</span>; +<span class="kw">pub const </span>PT_LOAD: u32 = <span class="number">1</span>; +<span class="kw">pub const </span>PT_DYNAMIC: u32 = <span class="number">2</span>; +<span class="kw">pub const </span>PT_INTERP: u32 = <span class="number">3</span>; +<span class="kw">pub const </span>PT_NOTE: u32 = <span class="number">4</span>; +<span class="kw">pub const </span>PT_SHLIB: u32 = <span class="number">5</span>; +<span class="kw">pub const </span>PT_PHDR: u32 = <span class="number">6</span>; +<span class="kw">pub const </span>PT_TLS: u32 = <span class="number">7</span>; +<span class="kw">pub const </span>PT_NUM: u32 = <span class="number">8</span>; +<span class="kw">pub const </span>PT_LOOS: u32 = <span class="number">0x60000000</span>; +<span class="kw">pub const </span>PT_GNU_EH_FRAME: u32 = <span class="number">0x6474e550</span>; +<span class="kw">pub const </span>PT_GNU_STACK: u32 = <span class="number">0x6474e551</span>; +<span class="kw">pub const </span>PT_GNU_RELRO: u32 = <span class="number">0x6474e552</span>; +<span class="kw">pub const </span>PT_LOSUNW: u32 = <span class="number">0x6ffffffa</span>; +<span class="kw">pub const </span>PT_SUNWBSS: u32 = <span class="number">0x6ffffffa</span>; +<span class="kw">pub const </span>PT_SUNWSTACK: u32 = <span class="number">0x6ffffffb</span>; +<span class="kw">pub const </span>PT_HISUNW: u32 = <span class="number">0x6fffffff</span>; +<span class="kw">pub const </span>PT_HIOS: u32 = <span class="number">0x6fffffff</span>; +<span class="kw">pub const </span>PT_LOPROC: u32 = <span class="number">0x70000000</span>; +<span class="kw">pub const </span>PT_HIPROC: u32 = <span class="number">0x7fffffff</span>; + +<span class="comment">// Legal values for p_flags (segment flags). +</span><span class="kw">pub const </span>PF_X: u32 = <span class="number">1 </span><< <span class="number">0</span>; +<span class="kw">pub const </span>PF_W: u32 = <span class="number">1 </span><< <span class="number">1</span>; +<span class="kw">pub const </span>PF_R: u32 = <span class="number">1 </span><< <span class="number">2</span>; +<span class="kw">pub const </span>PF_MASKOS: u32 = <span class="number">0x0ff00000</span>; +<span class="kw">pub const </span>PF_MASKPROC: u32 = <span class="number">0xf0000000</span>; + +<span class="comment">// elf.h - Legal values for a_type (entry type). +</span><span class="kw">pub const </span>AT_NULL: ::c_ulong = <span class="number">0</span>; +<span class="kw">pub const </span>AT_IGNORE: ::c_ulong = <span class="number">1</span>; +<span class="kw">pub const </span>AT_EXECFD: ::c_ulong = <span class="number">2</span>; +<span class="kw">pub const </span>AT_PHDR: ::c_ulong = <span class="number">3</span>; +<span class="kw">pub const </span>AT_PHENT: ::c_ulong = <span class="number">4</span>; +<span class="kw">pub const </span>AT_PHNUM: ::c_ulong = <span class="number">5</span>; +<span class="kw">pub const </span>AT_PAGESZ: ::c_ulong = <span class="number">6</span>; +<span class="kw">pub const </span>AT_BASE: ::c_ulong = <span class="number">7</span>; +<span class="kw">pub const </span>AT_FLAGS: ::c_ulong = <span class="number">8</span>; +<span class="kw">pub const </span>AT_ENTRY: ::c_ulong = <span class="number">9</span>; +<span class="kw">pub const </span>AT_NOTELF: ::c_ulong = <span class="number">10</span>; +<span class="kw">pub const </span>AT_UID: ::c_ulong = <span class="number">11</span>; +<span class="kw">pub const </span>AT_EUID: ::c_ulong = <span class="number">12</span>; +<span class="kw">pub const </span>AT_GID: ::c_ulong = <span class="number">13</span>; +<span class="kw">pub const </span>AT_EGID: ::c_ulong = <span class="number">14</span>; +<span class="kw">pub const </span>AT_PLATFORM: ::c_ulong = <span class="number">15</span>; +<span class="kw">pub const </span>AT_HWCAP: ::c_ulong = <span class="number">16</span>; +<span class="kw">pub const </span>AT_CLKTCK: ::c_ulong = <span class="number">17</span>; + +<span class="kw">pub const </span>AT_SECURE: ::c_ulong = <span class="number">23</span>; +<span class="kw">pub const </span>AT_BASE_PLATFORM: ::c_ulong = <span class="number">24</span>; +<span class="kw">pub const </span>AT_RANDOM: ::c_ulong = <span class="number">25</span>; +<span class="kw">pub const </span>AT_HWCAP2: ::c_ulong = <span class="number">26</span>; + +<span class="kw">pub const </span>AT_EXECFN: ::c_ulong = <span class="number">31</span>; + +<span class="kw">pub const </span>GLOB_ERR: ::c_int = <span class="number">1 </span><< <span class="number">0</span>; +<span class="kw">pub const </span>GLOB_MARK: ::c_int = <span class="number">1 </span><< <span class="number">1</span>; +<span class="kw">pub const </span>GLOB_NOSORT: ::c_int = <span class="number">1 </span><< <span class="number">2</span>; +<span class="kw">pub const </span>GLOB_DOOFFS: ::c_int = <span class="number">1 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>GLOB_NOCHECK: ::c_int = <span class="number">1 </span><< <span class="number">4</span>; +<span class="kw">pub const </span>GLOB_APPEND: ::c_int = <span class="number">1 </span><< <span class="number">5</span>; +<span class="kw">pub const </span>GLOB_NOESCAPE: ::c_int = <span class="number">1 </span><< <span class="number">6</span>; + +<span class="kw">pub const </span>GLOB_NOSPACE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>GLOB_ABORTED: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>GLOB_NOMATCH: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>POSIX_MADV_NORMAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>POSIX_MADV_RANDOM: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>POSIX_MADV_SEQUENTIAL: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>POSIX_MADV_WILLNEED: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>POSIX_SPAWN_USEVFORK: ::c_int = <span class="number">64</span>; +<span class="kw">pub const </span>POSIX_SPAWN_SETSID: ::c_int = <span class="number">128</span>; + +<span class="kw">pub const </span>S_IEXEC: mode_t = <span class="number">64</span>; +<span class="kw">pub const </span>S_IWRITE: mode_t = <span class="number">128</span>; +<span class="kw">pub const </span>S_IREAD: mode_t = <span class="number">256</span>; + +<span class="kw">pub const </span>F_LOCK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>F_TEST: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>F_TLOCK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>F_ULOCK: ::c_int = <span class="number">0</span>; + +<span class="kw">pub const </span>F_SEAL_FUTURE_WRITE: ::c_int = <span class="number">0x0010</span>; + +<span class="kw">pub const </span>IFF_LOWER_UP: ::c_int = <span class="number">0x10000</span>; +<span class="kw">pub const </span>IFF_DORMANT: ::c_int = <span class="number">0x20000</span>; +<span class="kw">pub const </span>IFF_ECHO: ::c_int = <span class="number">0x40000</span>; + +<span class="comment">// linux/if_addr.h +</span><span class="kw">pub const </span>IFA_UNSPEC: ::c_ushort = <span class="number">0</span>; +<span class="kw">pub const </span>IFA_ADDRESS: ::c_ushort = <span class="number">1</span>; +<span class="kw">pub const </span>IFA_LOCAL: ::c_ushort = <span class="number">2</span>; +<span class="kw">pub const </span>IFA_LABEL: ::c_ushort = <span class="number">3</span>; +<span class="kw">pub const </span>IFA_BROADCAST: ::c_ushort = <span class="number">4</span>; +<span class="kw">pub const </span>IFA_ANYCAST: ::c_ushort = <span class="number">5</span>; +<span class="kw">pub const </span>IFA_CACHEINFO: ::c_ushort = <span class="number">6</span>; +<span class="kw">pub const </span>IFA_MULTICAST: ::c_ushort = <span class="number">7</span>; + +<span class="kw">pub const </span>IFA_F_SECONDARY: u32 = <span class="number">0x01</span>; +<span class="kw">pub const </span>IFA_F_TEMPORARY: u32 = <span class="number">0x01</span>; +<span class="kw">pub const </span>IFA_F_NODAD: u32 = <span class="number">0x02</span>; +<span class="kw">pub const </span>IFA_F_OPTIMISTIC: u32 = <span class="number">0x04</span>; +<span class="kw">pub const </span>IFA_F_DADFAILED: u32 = <span class="number">0x08</span>; +<span class="kw">pub const </span>IFA_F_HOMEADDRESS: u32 = <span class="number">0x10</span>; +<span class="kw">pub const </span>IFA_F_DEPRECATED: u32 = <span class="number">0x20</span>; +<span class="kw">pub const </span>IFA_F_TENTATIVE: u32 = <span class="number">0x40</span>; +<span class="kw">pub const </span>IFA_F_PERMANENT: u32 = <span class="number">0x80</span>; + +<span class="comment">// linux/if_link.h +</span><span class="kw">pub const </span>IFLA_UNSPEC: ::c_ushort = <span class="number">0</span>; +<span class="kw">pub const </span>IFLA_ADDRESS: ::c_ushort = <span class="number">1</span>; +<span class="kw">pub const </span>IFLA_BROADCAST: ::c_ushort = <span class="number">2</span>; +<span class="kw">pub const </span>IFLA_IFNAME: ::c_ushort = <span class="number">3</span>; +<span class="kw">pub const </span>IFLA_MTU: ::c_ushort = <span class="number">4</span>; +<span class="kw">pub const </span>IFLA_LINK: ::c_ushort = <span class="number">5</span>; +<span class="kw">pub const </span>IFLA_QDISC: ::c_ushort = <span class="number">6</span>; +<span class="kw">pub const </span>IFLA_STATS: ::c_ushort = <span class="number">7</span>; +<span class="kw">pub const </span>IFLA_COST: ::c_ushort = <span class="number">8</span>; +<span class="kw">pub const </span>IFLA_PRIORITY: ::c_ushort = <span class="number">9</span>; +<span class="kw">pub const </span>IFLA_MASTER: ::c_ushort = <span class="number">10</span>; +<span class="kw">pub const </span>IFLA_WIRELESS: ::c_ushort = <span class="number">11</span>; +<span class="kw">pub const </span>IFLA_PROTINFO: ::c_ushort = <span class="number">12</span>; +<span class="kw">pub const </span>IFLA_TXQLEN: ::c_ushort = <span class="number">13</span>; +<span class="kw">pub const </span>IFLA_MAP: ::c_ushort = <span class="number">14</span>; +<span class="kw">pub const </span>IFLA_WEIGHT: ::c_ushort = <span class="number">15</span>; +<span class="kw">pub const </span>IFLA_OPERSTATE: ::c_ushort = <span class="number">16</span>; +<span class="kw">pub const </span>IFLA_LINKMODE: ::c_ushort = <span class="number">17</span>; +<span class="kw">pub const </span>IFLA_LINKINFO: ::c_ushort = <span class="number">18</span>; +<span class="kw">pub const </span>IFLA_NET_NS_PID: ::c_ushort = <span class="number">19</span>; +<span class="kw">pub const </span>IFLA_IFALIAS: ::c_ushort = <span class="number">20</span>; +<span class="kw">pub const </span>IFLA_NUM_VF: ::c_ushort = <span class="number">21</span>; +<span class="kw">pub const </span>IFLA_VFINFO_LIST: ::c_ushort = <span class="number">22</span>; +<span class="kw">pub const </span>IFLA_STATS64: ::c_ushort = <span class="number">23</span>; +<span class="kw">pub const </span>IFLA_VF_PORTS: ::c_ushort = <span class="number">24</span>; +<span class="kw">pub const </span>IFLA_PORT_SELF: ::c_ushort = <span class="number">25</span>; +<span class="kw">pub const </span>IFLA_AF_SPEC: ::c_ushort = <span class="number">26</span>; +<span class="kw">pub const </span>IFLA_GROUP: ::c_ushort = <span class="number">27</span>; +<span class="kw">pub const </span>IFLA_NET_NS_FD: ::c_ushort = <span class="number">28</span>; +<span class="kw">pub const </span>IFLA_EXT_MASK: ::c_ushort = <span class="number">29</span>; +<span class="kw">pub const </span>IFLA_PROMISCUITY: ::c_ushort = <span class="number">30</span>; +<span class="kw">pub const </span>IFLA_NUM_TX_QUEUES: ::c_ushort = <span class="number">31</span>; +<span class="kw">pub const </span>IFLA_NUM_RX_QUEUES: ::c_ushort = <span class="number">32</span>; +<span class="kw">pub const </span>IFLA_CARRIER: ::c_ushort = <span class="number">33</span>; +<span class="kw">pub const </span>IFLA_PHYS_PORT_ID: ::c_ushort = <span class="number">34</span>; +<span class="kw">pub const </span>IFLA_CARRIER_CHANGES: ::c_ushort = <span class="number">35</span>; +<span class="kw">pub const </span>IFLA_PHYS_SWITCH_ID: ::c_ushort = <span class="number">36</span>; +<span class="kw">pub const </span>IFLA_LINK_NETNSID: ::c_ushort = <span class="number">37</span>; +<span class="kw">pub const </span>IFLA_PHYS_PORT_NAME: ::c_ushort = <span class="number">38</span>; +<span class="kw">pub const </span>IFLA_PROTO_DOWN: ::c_ushort = <span class="number">39</span>; +<span class="kw">pub const </span>IFLA_GSO_MAX_SEGS: ::c_ushort = <span class="number">40</span>; +<span class="kw">pub const </span>IFLA_GSO_MAX_SIZE: ::c_ushort = <span class="number">41</span>; +<span class="kw">pub const </span>IFLA_PAD: ::c_ushort = <span class="number">42</span>; +<span class="kw">pub const </span>IFLA_XDP: ::c_ushort = <span class="number">43</span>; +<span class="kw">pub const </span>IFLA_EVENT: ::c_ushort = <span class="number">44</span>; +<span class="kw">pub const </span>IFLA_NEW_NETNSID: ::c_ushort = <span class="number">45</span>; +<span class="kw">pub const </span>IFLA_IF_NETNSID: ::c_ushort = <span class="number">46</span>; +<span class="kw">pub const </span>IFLA_TARGET_NETNSID: ::c_ushort = IFLA_IF_NETNSID; +<span class="kw">pub const </span>IFLA_CARRIER_UP_COUNT: ::c_ushort = <span class="number">47</span>; +<span class="kw">pub const </span>IFLA_CARRIER_DOWN_COUNT: ::c_ushort = <span class="number">48</span>; +<span class="kw">pub const </span>IFLA_NEW_IFINDEX: ::c_ushort = <span class="number">49</span>; +<span class="kw">pub const </span>IFLA_MIN_MTU: ::c_ushort = <span class="number">50</span>; +<span class="kw">pub const </span>IFLA_MAX_MTU: ::c_ushort = <span class="number">51</span>; +<span class="kw">pub const </span>IFLA_PROP_LIST: ::c_ushort = <span class="number">52</span>; +<span class="kw">pub const </span>IFLA_ALT_IFNAME: ::c_ushort = <span class="number">53</span>; +<span class="kw">pub const </span>IFLA_PERM_ADDRESS: ::c_ushort = <span class="number">54</span>; +<span class="kw">pub const </span>IFLA_PROTO_DOWN_REASON: ::c_ushort = <span class="number">55</span>; + +<span class="kw">pub const </span>IFLA_INFO_UNSPEC: ::c_ushort = <span class="number">0</span>; +<span class="kw">pub const </span>IFLA_INFO_KIND: ::c_ushort = <span class="number">1</span>; +<span class="kw">pub const </span>IFLA_INFO_DATA: ::c_ushort = <span class="number">2</span>; +<span class="kw">pub const </span>IFLA_INFO_XSTATS: ::c_ushort = <span class="number">3</span>; +<span class="kw">pub const </span>IFLA_INFO_SLAVE_KIND: ::c_ushort = <span class="number">4</span>; +<span class="kw">pub const </span>IFLA_INFO_SLAVE_DATA: ::c_ushort = <span class="number">5</span>; + +<span class="comment">// linux/if_tun.h +</span><span class="kw">pub const </span>IFF_TUN: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>IFF_TAP: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>IFF_NO_PI: ::c_int = <span class="number">0x1000</span>; +<span class="comment">// Read queue size +</span><span class="kw">pub const </span>TUN_READQ_SIZE: ::c_short = <span class="number">500</span>; +<span class="comment">// TUN device type flags: deprecated. Use IFF_TUN/IFF_TAP instead. +</span><span class="kw">pub const </span>TUN_TUN_DEV: ::c_short = ::IFF_TUN <span class="kw">as </span>::c_short; +<span class="kw">pub const </span>TUN_TAP_DEV: ::c_short = ::IFF_TAP <span class="kw">as </span>::c_short; +<span class="kw">pub const </span>TUN_TYPE_MASK: ::c_short = <span class="number">0x000f</span>; +<span class="comment">// This flag has no real effect +</span><span class="kw">pub const </span>IFF_ONE_QUEUE: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>IFF_VNET_HDR: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>IFF_TUN_EXCL: ::c_int = <span class="number">0x8000</span>; +<span class="kw">pub const </span>IFF_MULTI_QUEUE: ::c_int = <span class="number">0x0100</span>; +<span class="kw">pub const </span>IFF_ATTACH_QUEUE: ::c_int = <span class="number">0x0200</span>; +<span class="kw">pub const </span>IFF_DETACH_QUEUE: ::c_int = <span class="number">0x0400</span>; +<span class="comment">// read-only flag +</span><span class="kw">pub const </span>IFF_PERSIST: ::c_int = <span class="number">0x0800</span>; +<span class="kw">pub const </span>IFF_NOFILTER: ::c_int = <span class="number">0x1000</span>; + +<span class="comment">// Since Linux 3.1 +</span><span class="kw">pub const </span>SEEK_DATA: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SEEK_HOLE: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>ST_RDONLY: ::c_ulong = <span class="number">1</span>; +<span class="kw">pub const </span>ST_NOSUID: ::c_ulong = <span class="number">2</span>; +<span class="kw">pub const </span>ST_NODEV: ::c_ulong = <span class="number">4</span>; +<span class="kw">pub const </span>ST_NOEXEC: ::c_ulong = <span class="number">8</span>; +<span class="kw">pub const </span>ST_SYNCHRONOUS: ::c_ulong = <span class="number">16</span>; +<span class="kw">pub const </span>ST_MANDLOCK: ::c_ulong = <span class="number">64</span>; +<span class="kw">pub const </span>ST_WRITE: ::c_ulong = <span class="number">128</span>; +<span class="kw">pub const </span>ST_APPEND: ::c_ulong = <span class="number">256</span>; +<span class="kw">pub const </span>ST_IMMUTABLE: ::c_ulong = <span class="number">512</span>; +<span class="kw">pub const </span>ST_NOATIME: ::c_ulong = <span class="number">1024</span>; +<span class="kw">pub const </span>ST_NODIRATIME: ::c_ulong = <span class="number">2048</span>; + +<span class="kw">pub const </span>RTLD_NEXT: <span class="kw-2">*mut </span>::c_void = -<span class="number">1i64 </span><span class="kw">as </span><span class="kw-2">*mut </span>::c_void; +<span class="kw">pub const </span>RTLD_DEFAULT: <span class="kw-2">*mut </span>::c_void = <span class="number">0i64 </span><span class="kw">as </span><span class="kw-2">*mut </span>::c_void; +<span class="kw">pub const </span>RTLD_NODELETE: ::c_int = <span class="number">0x1000</span>; +<span class="kw">pub const </span>RTLD_NOW: ::c_int = <span class="number">0x2</span>; + +<span class="kw">pub const </span>AT_EACCESS: ::c_int = <span class="number">0x200</span>; + +<span class="comment">// linux/mempolicy.h +</span><span class="kw">pub const </span>MPOL_DEFAULT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>MPOL_PREFERRED: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>MPOL_BIND: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>MPOL_INTERLEAVE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>MPOL_LOCAL: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>MPOL_F_NUMA_BALANCING: ::c_int = <span class="number">1 </span><< <span class="number">13</span>; +<span class="kw">pub const </span>MPOL_F_RELATIVE_NODES: ::c_int = <span class="number">1 </span><< <span class="number">14</span>; +<span class="kw">pub const </span>MPOL_F_STATIC_NODES: ::c_int = <span class="number">1 </span><< <span class="number">15</span>; + +<span class="macro">align_const! </span>{ + <span class="kw">pub const </span>PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t { + size: [<span class="number">0</span>; __SIZEOF_PTHREAD_MUTEX_T], + }; + <span class="kw">pub const </span>PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t { + size: [<span class="number">0</span>; __SIZEOF_PTHREAD_COND_T], + }; + <span class="kw">pub const </span>PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t { + size: [<span class="number">0</span>; __SIZEOF_PTHREAD_RWLOCK_T], + }; +} +<span class="kw">pub const </span>PTHREAD_MUTEX_NORMAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PTHREAD_MUTEX_RECURSIVE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PTHREAD_MUTEX_ERRORCHECK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL; +<span class="kw">pub const </span>PTHREAD_MUTEX_STALLED: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PTHREAD_MUTEX_ROBUST: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PTHREAD_PRIO_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PTHREAD_PRIO_INHERIT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PTHREAD_PRIO_PROTECT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PTHREAD_PROCESS_PRIVATE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PTHREAD_PROCESS_SHARED: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>__SIZEOF_PTHREAD_COND_T: usize = <span class="number">48</span>; + +<span class="kw">pub const </span>RENAME_NOREPLACE: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>RENAME_EXCHANGE: ::c_uint = <span class="number">2</span>; +<span class="kw">pub const </span>RENAME_WHITEOUT: ::c_uint = <span class="number">4</span>; + +<span class="kw">pub const </span>SCHED_OTHER: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SCHED_FIFO: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SCHED_RR: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SCHED_BATCH: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SCHED_IDLE: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>SCHED_RESET_ON_FORK: ::c_int = <span class="number">0x40000000</span>; + +<span class="kw">pub const </span>CLONE_PIDFD: ::c_int = <span class="number">0x1000</span>; + +<span class="comment">// netinet/in.h +// NOTE: These are in addition to the constants defined in src/unix/mod.rs + +</span><span class="doccomment">/// Multipath TCP +</span><span class="kw">pub const </span>IPPROTO_MPTCP: ::c_int = <span class="number">262</span>; +<span class="attribute">#[deprecated( + since = <span class="string">"0.2.80"</span>, + note = <span class="string">"This value was increased in the newer kernel \ + and we'll change this following upstream in the future release. \ + See #1896 for more info." +</span>)] +</span><span class="kw">pub const </span>IPPROTO_MAX: ::c_int = <span class="number">256</span>; + +<span class="comment">// System V IPC +</span><span class="kw">pub const </span>IPC_PRIVATE: ::key_t = <span class="number">0</span>; + +<span class="kw">pub const </span>IPC_CREAT: ::c_int = <span class="number">0o1000</span>; +<span class="kw">pub const </span>IPC_EXCL: ::c_int = <span class="number">0o2000</span>; +<span class="kw">pub const </span>IPC_NOWAIT: ::c_int = <span class="number">0o4000</span>; + +<span class="kw">pub const </span>IPC_RMID: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>IPC_SET: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IPC_STAT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>IPC_INFO: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>MSG_STAT: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>MSG_INFO: ::c_int = <span class="number">12</span>; + +<span class="kw">pub const </span>MSG_NOERROR: ::c_int = <span class="number">0o10000</span>; +<span class="kw">pub const </span>MSG_EXCEPT: ::c_int = <span class="number">0o20000</span>; +<span class="kw">pub const </span>MSG_ZEROCOPY: ::c_int = <span class="number">0x4000000</span>; + +<span class="kw">pub const </span>SHM_R: ::c_int = <span class="number">0o400</span>; +<span class="kw">pub const </span>SHM_W: ::c_int = <span class="number">0o200</span>; + +<span class="kw">pub const </span>SHM_RDONLY: ::c_int = <span class="number">0o10000</span>; +<span class="kw">pub const </span>SHM_RND: ::c_int = <span class="number">0o20000</span>; +<span class="kw">pub const </span>SHM_REMAP: ::c_int = <span class="number">0o40000</span>; + +<span class="kw">pub const </span>SHM_LOCK: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>SHM_UNLOCK: ::c_int = <span class="number">12</span>; + +<span class="kw">pub const </span>SHM_HUGETLB: ::c_int = <span class="number">0o4000</span>; +<span class="attribute">#[cfg(not(all(target_env = <span class="string">"uclibc"</span>, target_arch = <span class="string">"mips"</span>)))] +</span><span class="kw">pub const </span>SHM_NORESERVE: ::c_int = <span class="number">0o10000</span>; + +<span class="kw">pub const </span>QFMT_VFS_OLD: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>QFMT_VFS_V0: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>QFMT_VFS_V1: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>EFD_SEMAPHORE: ::c_int = <span class="number">0x1</span>; + +<span class="kw">pub const </span>LOG_NFACILITIES: ::c_int = <span class="number">24</span>; + +<span class="kw">pub const </span>SEM_FAILED: <span class="kw-2">*mut </span>::sem_t = <span class="number">0 </span><span class="kw">as </span><span class="kw-2">*mut </span>sem_t; + +<span class="kw">pub const </span>RB_AUTOBOOT: ::c_int = <span class="number">0x01234567u32 </span><span class="kw">as </span>i32; +<span class="kw">pub const </span>RB_HALT_SYSTEM: ::c_int = <span class="number">0xcdef0123u32 </span><span class="kw">as </span>i32; +<span class="kw">pub const </span>RB_ENABLE_CAD: ::c_int = <span class="number">0x89abcdefu32 </span><span class="kw">as </span>i32; +<span class="kw">pub const </span>RB_DISABLE_CAD: ::c_int = <span class="number">0x00000000u32 </span><span class="kw">as </span>i32; +<span class="kw">pub const </span>RB_POWER_OFF: ::c_int = <span class="number">0x4321fedcu32 </span><span class="kw">as </span>i32; +<span class="kw">pub const </span>RB_SW_SUSPEND: ::c_int = <span class="number">0xd000fce2u32 </span><span class="kw">as </span>i32; +<span class="kw">pub const </span>RB_KEXEC: ::c_int = <span class="number">0x45584543u32 </span><span class="kw">as </span>i32; + +<span class="kw">pub const </span>AI_PASSIVE: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>AI_CANONNAME: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>AI_NUMERICHOST: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>AI_V4MAPPED: ::c_int = <span class="number">0x0008</span>; +<span class="kw">pub const </span>AI_ALL: ::c_int = <span class="number">0x0010</span>; +<span class="kw">pub const </span>AI_ADDRCONFIG: ::c_int = <span class="number">0x0020</span>; + +<span class="kw">pub const </span>AI_NUMERICSERV: ::c_int = <span class="number">0x0400</span>; + +<span class="kw">pub const </span>EAI_BADFLAGS: ::c_int = -<span class="number">1</span>; +<span class="kw">pub const </span>EAI_NONAME: ::c_int = -<span class="number">2</span>; +<span class="kw">pub const </span>EAI_AGAIN: ::c_int = -<span class="number">3</span>; +<span class="kw">pub const </span>EAI_FAIL: ::c_int = -<span class="number">4</span>; +<span class="kw">pub const </span>EAI_NODATA: ::c_int = -<span class="number">5</span>; +<span class="kw">pub const </span>EAI_FAMILY: ::c_int = -<span class="number">6</span>; +<span class="kw">pub const </span>EAI_SOCKTYPE: ::c_int = -<span class="number">7</span>; +<span class="kw">pub const </span>EAI_SERVICE: ::c_int = -<span class="number">8</span>; +<span class="kw">pub const </span>EAI_MEMORY: ::c_int = -<span class="number">10</span>; +<span class="kw">pub const </span>EAI_SYSTEM: ::c_int = -<span class="number">11</span>; +<span class="kw">pub const </span>EAI_OVERFLOW: ::c_int = -<span class="number">12</span>; + +<span class="kw">pub const </span>NI_NUMERICHOST: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NI_NUMERICSERV: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NI_NOFQDN: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NI_NAMEREQD: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NI_DGRAM: ::c_int = <span class="number">16</span>; + +<span class="kw">pub const </span>SYNC_FILE_RANGE_WAIT_BEFORE: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>SYNC_FILE_RANGE_WRITE: ::c_uint = <span class="number">2</span>; +<span class="kw">pub const </span>SYNC_FILE_RANGE_WAIT_AFTER: ::c_uint = <span class="number">4</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] </span>{ + <span class="kw">pub const </span>AIO_CANCELED: ::c_int = <span class="number">0</span>; + <span class="kw">pub const </span>AIO_NOTCANCELED: ::c_int = <span class="number">1</span>; + <span class="kw">pub const </span>AIO_ALLDONE: ::c_int = <span class="number">2</span>; + <span class="kw">pub const </span>LIO_READ: ::c_int = <span class="number">0</span>; + <span class="kw">pub const </span>LIO_WRITE: ::c_int = <span class="number">1</span>; + <span class="kw">pub const </span>LIO_NOP: ::c_int = <span class="number">2</span>; + <span class="kw">pub const </span>LIO_WAIT: ::c_int = <span class="number">0</span>; + <span class="kw">pub const </span>LIO_NOWAIT: ::c_int = <span class="number">1</span>; + <span class="kw">pub const </span>RUSAGE_THREAD: ::c_int = <span class="number">1</span>; + <span class="kw">pub const </span>MSG_COPY: ::c_int = <span class="number">0o40000</span>; + <span class="kw">pub const </span>SHM_EXEC: ::c_int = <span class="number">0o100000</span>; + <span class="kw">pub const </span>IPV6_MULTICAST_ALL: ::c_int = <span class="number">29</span>; + <span class="kw">pub const </span>IPV6_ROUTER_ALERT_ISOLATE: ::c_int = <span class="number">30</span>; + <span class="kw">pub const </span>PACKET_MR_UNICAST: ::c_int = <span class="number">3</span>; + <span class="kw">pub const </span>PTRACE_EVENT_STOP: ::c_int = <span class="number">128</span>; + <span class="kw">pub const </span>UDP_SEGMENT: ::c_int = <span class="number">103</span>; + <span class="kw">pub const </span>UDP_GRO: ::c_int = <span class="number">104</span>; + } +} + +<span class="kw">pub const </span>MREMAP_MAYMOVE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>MREMAP_FIXED: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>MREMAP_DONTUNMAP: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>PR_SET_PDEATHSIG: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_GET_PDEATHSIG: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PR_GET_DUMPABLE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>PR_SET_DUMPABLE: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>PR_GET_UNALIGN: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>PR_SET_UNALIGN: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>PR_UNALIGN_NOPRINT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_UNALIGN_SIGBUS: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PR_GET_KEEPCAPS: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>PR_SET_KEEPCAPS: ::c_int = <span class="number">8</span>; + +<span class="kw">pub const </span>PR_GET_FPEMU: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>PR_SET_FPEMU: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>PR_FPEMU_NOPRINT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_FPEMU_SIGFPE: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PR_GET_FPEXC: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>PR_SET_FPEXC: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>PR_FP_EXC_SW_ENABLE: ::c_int = <span class="number">0x80</span>; +<span class="kw">pub const </span>PR_FP_EXC_DIV: ::c_int = <span class="number">0x010000</span>; +<span class="kw">pub const </span>PR_FP_EXC_OVF: ::c_int = <span class="number">0x020000</span>; +<span class="kw">pub const </span>PR_FP_EXC_UND: ::c_int = <span class="number">0x040000</span>; +<span class="kw">pub const </span>PR_FP_EXC_RES: ::c_int = <span class="number">0x080000</span>; +<span class="kw">pub const </span>PR_FP_EXC_INV: ::c_int = <span class="number">0x100000</span>; +<span class="kw">pub const </span>PR_FP_EXC_DISABLED: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PR_FP_EXC_NONRECOV: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_FP_EXC_ASYNC: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PR_FP_EXC_PRECISE: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>PR_GET_TIMING: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>PR_SET_TIMING: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>PR_TIMING_STATISTICAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PR_TIMING_TIMESTAMP: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>PR_SET_NAME: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>PR_GET_NAME: ::c_int = <span class="number">16</span>; + +<span class="kw">pub const </span>PR_GET_ENDIAN: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>PR_SET_ENDIAN: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>PR_ENDIAN_BIG: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PR_ENDIAN_LITTLE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_ENDIAN_PPC_LITTLE: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PR_GET_SECCOMP: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>PR_SET_SECCOMP: ::c_int = <span class="number">22</span>; + +<span class="kw">pub const </span>PR_CAPBSET_READ: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>PR_CAPBSET_DROP: ::c_int = <span class="number">24</span>; + +<span class="kw">pub const </span>PR_GET_TSC: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>PR_SET_TSC: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>PR_TSC_ENABLE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_TSC_SIGSEGV: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PR_GET_SECUREBITS: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>PR_SET_SECUREBITS: ::c_int = <span class="number">28</span>; + +<span class="kw">pub const </span>PR_SET_TIMERSLACK: ::c_int = <span class="number">29</span>; +<span class="kw">pub const </span>PR_GET_TIMERSLACK: ::c_int = <span class="number">30</span>; + +<span class="kw">pub const </span>PR_TASK_PERF_EVENTS_DISABLE: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>PR_TASK_PERF_EVENTS_ENABLE: ::c_int = <span class="number">32</span>; + +<span class="kw">pub const </span>PR_MCE_KILL: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>PR_MCE_KILL_CLEAR: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PR_MCE_KILL_SET: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>PR_MCE_KILL_LATE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PR_MCE_KILL_EARLY: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_MCE_KILL_DEFAULT: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PR_MCE_KILL_GET: ::c_int = <span class="number">34</span>; + +<span class="kw">pub const </span>PR_SET_MM: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>PR_SET_MM_START_CODE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_SET_MM_END_CODE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PR_SET_MM_START_DATA: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>PR_SET_MM_END_DATA: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>PR_SET_MM_START_STACK: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>PR_SET_MM_START_BRK: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>PR_SET_MM_BRK: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>PR_SET_MM_ARG_START: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>PR_SET_MM_ARG_END: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>PR_SET_MM_ENV_START: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>PR_SET_MM_ENV_END: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>PR_SET_MM_AUXV: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>PR_SET_MM_EXE_FILE: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>PR_SET_MM_MAP: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>PR_SET_MM_MAP_SIZE: ::c_int = <span class="number">15</span>; + +<span class="kw">pub const </span>PR_SET_PTRACER: ::c_int = <span class="number">0x59616d61</span>; + +<span class="kw">pub const </span>PR_SET_CHILD_SUBREAPER: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>PR_GET_CHILD_SUBREAPER: ::c_int = <span class="number">37</span>; + +<span class="kw">pub const </span>PR_SET_NO_NEW_PRIVS: ::c_int = <span class="number">38</span>; +<span class="kw">pub const </span>PR_GET_NO_NEW_PRIVS: ::c_int = <span class="number">39</span>; + +<span class="kw">pub const </span>PR_GET_TID_ADDRESS: ::c_int = <span class="number">40</span>; + +<span class="kw">pub const </span>PR_SET_THP_DISABLE: ::c_int = <span class="number">41</span>; +<span class="kw">pub const </span>PR_GET_THP_DISABLE: ::c_int = <span class="number">42</span>; + +<span class="kw">pub const </span>PR_MPX_ENABLE_MANAGEMENT: ::c_int = <span class="number">43</span>; +<span class="kw">pub const </span>PR_MPX_DISABLE_MANAGEMENT: ::c_int = <span class="number">44</span>; + +<span class="kw">pub const </span>PR_SET_FP_MODE: ::c_int = <span class="number">45</span>; +<span class="kw">pub const </span>PR_GET_FP_MODE: ::c_int = <span class="number">46</span>; +<span class="kw">pub const </span>PR_FP_MODE_FR: ::c_int = <span class="number">1 </span><< <span class="number">0</span>; +<span class="kw">pub const </span>PR_FP_MODE_FRE: ::c_int = <span class="number">1 </span><< <span class="number">1</span>; + +<span class="kw">pub const </span>PR_CAP_AMBIENT: ::c_int = <span class="number">47</span>; +<span class="kw">pub const </span>PR_CAP_AMBIENT_IS_SET: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PR_CAP_AMBIENT_RAISE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PR_CAP_AMBIENT_LOWER: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>PR_CAP_AMBIENT_CLEAR_ALL: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>PR_SET_VMA: ::c_int = <span class="number">0x53564d41</span>; +<span class="kw">pub const </span>PR_SET_VMA_ANON_NAME: ::c_int = <span class="number">0</span>; + +<span class="kw">pub const </span>GRND_NONBLOCK: ::c_uint = <span class="number">0x0001</span>; +<span class="kw">pub const </span>GRND_RANDOM: ::c_uint = <span class="number">0x0002</span>; +<span class="kw">pub const </span>GRND_INSECURE: ::c_uint = <span class="number">0x0004</span>; + +<span class="kw">pub const </span>SECCOMP_MODE_DISABLED: ::c_uint = <span class="number">0</span>; +<span class="kw">pub const </span>SECCOMP_MODE_STRICT: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>SECCOMP_MODE_FILTER: ::c_uint = <span class="number">2</span>; + +<span class="kw">pub const </span>SECCOMP_FILTER_FLAG_TSYNC: ::c_ulong = <span class="number">1</span>; +<span class="kw">pub const </span>SECCOMP_FILTER_FLAG_LOG: ::c_ulong = <span class="number">2</span>; +<span class="kw">pub const </span>SECCOMP_FILTER_FLAG_SPEC_ALLOW: ::c_ulong = <span class="number">4</span>; + +<span class="kw">pub const </span>SECCOMP_RET_KILL_PROCESS: ::c_uint = <span class="number">0x80000000</span>; +<span class="kw">pub const </span>SECCOMP_RET_KILL_THREAD: ::c_uint = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>SECCOMP_RET_KILL: ::c_uint = SECCOMP_RET_KILL_THREAD; +<span class="kw">pub const </span>SECCOMP_RET_TRAP: ::c_uint = <span class="number">0x00030000</span>; +<span class="kw">pub const </span>SECCOMP_RET_ERRNO: ::c_uint = <span class="number">0x00050000</span>; +<span class="kw">pub const </span>SECCOMP_RET_TRACE: ::c_uint = <span class="number">0x7ff00000</span>; +<span class="kw">pub const </span>SECCOMP_RET_LOG: ::c_uint = <span class="number">0x7ffc0000</span>; +<span class="kw">pub const </span>SECCOMP_RET_ALLOW: ::c_uint = <span class="number">0x7fff0000</span>; + +<span class="kw">pub const </span>SECCOMP_RET_ACTION_FULL: ::c_uint = <span class="number">0xffff0000</span>; +<span class="kw">pub const </span>SECCOMP_RET_ACTION: ::c_uint = <span class="number">0x7fff0000</span>; +<span class="kw">pub const </span>SECCOMP_RET_DATA: ::c_uint = <span class="number">0x0000ffff</span>; + +<span class="kw">pub const </span>ITIMER_REAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>ITIMER_VIRTUAL: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>ITIMER_PROF: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>TFD_CLOEXEC: ::c_int = O_CLOEXEC; +<span class="kw">pub const </span>TFD_NONBLOCK: ::c_int = O_NONBLOCK; +<span class="kw">pub const </span>TFD_TIMER_ABSTIME: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>TFD_TIMER_CANCEL_ON_SET: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>_POSIX_VDISABLE: ::cc_t = <span class="number">0</span>; + +<span class="kw">pub const </span>FALLOC_FL_KEEP_SIZE: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>FALLOC_FL_PUNCH_HOLE: ::c_int = <span class="number">0x02</span>; +<span class="kw">pub const </span>FALLOC_FL_COLLAPSE_RANGE: ::c_int = <span class="number">0x08</span>; +<span class="kw">pub const </span>FALLOC_FL_ZERO_RANGE: ::c_int = <span class="number">0x10</span>; +<span class="kw">pub const </span>FALLOC_FL_INSERT_RANGE: ::c_int = <span class="number">0x20</span>; +<span class="kw">pub const </span>FALLOC_FL_UNSHARE_RANGE: ::c_int = <span class="number">0x40</span>; + +<span class="attribute">#[deprecated( + since = <span class="string">"0.2.55"</span>, + note = <span class="string">"ENOATTR is not available on Linux; use ENODATA instead" +</span>)] +</span><span class="kw">pub const </span>ENOATTR: ::c_int = ::ENODATA; + +<span class="kw">pub const </span>SO_ORIGINAL_DST: ::c_int = <span class="number">80</span>; + +<span class="kw">pub const </span>IP_RECVFRAGSIZE: ::c_int = <span class="number">25</span>; + +<span class="kw">pub const </span>IPV6_FLOWINFO: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>IPV6_FLOWLABEL_MGR: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>IPV6_FLOWINFO_SEND: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>IPV6_RECVFRAGSIZE: ::c_int = <span class="number">77</span>; +<span class="kw">pub const </span>IPV6_FREEBIND: ::c_int = <span class="number">78</span>; +<span class="kw">pub const </span>IPV6_FLOWINFO_FLOWLABEL: ::c_int = <span class="number">0x000fffff</span>; +<span class="kw">pub const </span>IPV6_FLOWINFO_PRIORITY: ::c_int = <span class="number">0x0ff00000</span>; + +<span class="kw">pub const </span>IPV6_RTHDR_LOOSE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>IPV6_RTHDR_STRICT: ::c_int = <span class="number">1</span>; + +<span class="comment">// SO_MEMINFO offsets +</span><span class="kw">pub const </span>SK_MEMINFO_RMEM_ALLOC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SK_MEMINFO_RCVBUF: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SK_MEMINFO_WMEM_ALLOC: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SK_MEMINFO_SNDBUF: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SK_MEMINFO_FWD_ALLOC: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>SK_MEMINFO_WMEM_QUEUED: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>SK_MEMINFO_OPTMEM: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>SK_MEMINFO_BACKLOG: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>SK_MEMINFO_DROPS: ::c_int = <span class="number">8</span>; + +<span class="kw">pub const </span>IUTF8: ::tcflag_t = <span class="number">0x00004000</span>; +<span class="attribute">#[cfg(not(all(target_env = <span class="string">"uclibc"</span>, target_arch = <span class="string">"mips"</span>)))] +</span><span class="kw">pub const </span>CMSPAR: ::tcflag_t = <span class="number">0o10000000000</span>; + +<span class="kw">pub const </span>MFD_CLOEXEC: ::c_uint = <span class="number">0x0001</span>; +<span class="kw">pub const </span>MFD_ALLOW_SEALING: ::c_uint = <span class="number">0x0002</span>; +<span class="kw">pub const </span>MFD_HUGETLB: ::c_uint = <span class="number">0x0004</span>; +<span class="kw">pub const </span>MFD_HUGE_64KB: ::c_uint = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>MFD_HUGE_512KB: ::c_uint = <span class="number">0x4c000000</span>; +<span class="kw">pub const </span>MFD_HUGE_1MB: ::c_uint = <span class="number">0x50000000</span>; +<span class="kw">pub const </span>MFD_HUGE_2MB: ::c_uint = <span class="number">0x54000000</span>; +<span class="kw">pub const </span>MFD_HUGE_8MB: ::c_uint = <span class="number">0x5c000000</span>; +<span class="kw">pub const </span>MFD_HUGE_16MB: ::c_uint = <span class="number">0x60000000</span>; +<span class="kw">pub const </span>MFD_HUGE_32MB: ::c_uint = <span class="number">0x64000000</span>; +<span class="kw">pub const </span>MFD_HUGE_256MB: ::c_uint = <span class="number">0x70000000</span>; +<span class="kw">pub const </span>MFD_HUGE_512MB: ::c_uint = <span class="number">0x74000000</span>; +<span class="kw">pub const </span>MFD_HUGE_1GB: ::c_uint = <span class="number">0x78000000</span>; +<span class="kw">pub const </span>MFD_HUGE_2GB: ::c_uint = <span class="number">0x7c000000</span>; +<span class="kw">pub const </span>MFD_HUGE_16GB: ::c_uint = <span class="number">0x88000000</span>; +<span class="kw">pub const </span>MFD_HUGE_MASK: ::c_uint = <span class="number">63</span>; +<span class="kw">pub const </span>MFD_HUGE_SHIFT: ::c_uint = <span class="number">26</span>; + +<span class="comment">// linux/close_range.h +</span><span class="kw">pub const </span>CLOSE_RANGE_UNSHARE: ::c_uint = <span class="number">1 </span><< <span class="number">1</span>; +<span class="kw">pub const </span>CLOSE_RANGE_CLOEXEC: ::c_uint = <span class="number">1 </span><< <span class="number">2</span>; + +<span class="comment">// linux/filter.h +</span><span class="kw">pub const </span>SKF_AD_OFF: ::c_int = -<span class="number">0x1000</span>; +<span class="kw">pub const </span>SKF_AD_PROTOCOL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SKF_AD_PKTTYPE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>SKF_AD_IFINDEX: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>SKF_AD_NLATTR: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>SKF_AD_NLATTR_NEST: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>SKF_AD_MARK: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>SKF_AD_QUEUE: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>SKF_AD_HATYPE: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>SKF_AD_RXHASH: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>SKF_AD_CPU: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>SKF_AD_ALU_XOR_X: ::c_int = <span class="number">40</span>; +<span class="kw">pub const </span>SKF_AD_VLAN_TAG: ::c_int = <span class="number">44</span>; +<span class="kw">pub const </span>SKF_AD_VLAN_TAG_PRESENT: ::c_int = <span class="number">48</span>; +<span class="kw">pub const </span>SKF_AD_PAY_OFFSET: ::c_int = <span class="number">52</span>; +<span class="kw">pub const </span>SKF_AD_RANDOM: ::c_int = <span class="number">56</span>; +<span class="kw">pub const </span>SKF_AD_VLAN_TPID: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>SKF_AD_MAX: ::c_int = <span class="number">64</span>; +<span class="kw">pub const </span>SKF_NET_OFF: ::c_int = -<span class="number">0x100000</span>; +<span class="kw">pub const </span>SKF_LL_OFF: ::c_int = -<span class="number">0x200000</span>; +<span class="kw">pub const </span>BPF_NET_OFF: ::c_int = SKF_NET_OFF; +<span class="kw">pub const </span>BPF_LL_OFF: ::c_int = SKF_LL_OFF; +<span class="kw">pub const </span>BPF_MEMWORDS: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>BPF_MAXINSNS: ::c_int = <span class="number">4096</span>; + +<span class="comment">// linux/bpf_common.h +</span><span class="kw">pub const </span>BPF_LD: ::__u32 = <span class="number">0x00</span>; +<span class="kw">pub const </span>BPF_LDX: ::__u32 = <span class="number">0x01</span>; +<span class="kw">pub const </span>BPF_ST: ::__u32 = <span class="number">0x02</span>; +<span class="kw">pub const </span>BPF_STX: ::__u32 = <span class="number">0x03</span>; +<span class="kw">pub const </span>BPF_ALU: ::__u32 = <span class="number">0x04</span>; +<span class="kw">pub const </span>BPF_JMP: ::__u32 = <span class="number">0x05</span>; +<span class="kw">pub const </span>BPF_RET: ::__u32 = <span class="number">0x06</span>; +<span class="kw">pub const </span>BPF_MISC: ::__u32 = <span class="number">0x07</span>; +<span class="kw">pub const </span>BPF_W: ::__u32 = <span class="number">0x00</span>; +<span class="kw">pub const </span>BPF_H: ::__u32 = <span class="number">0x08</span>; +<span class="kw">pub const </span>BPF_B: ::__u32 = <span class="number">0x10</span>; +<span class="kw">pub const </span>BPF_IMM: ::__u32 = <span class="number">0x00</span>; +<span class="kw">pub const </span>BPF_ABS: ::__u32 = <span class="number">0x20</span>; +<span class="kw">pub const </span>BPF_IND: ::__u32 = <span class="number">0x40</span>; +<span class="kw">pub const </span>BPF_MEM: ::__u32 = <span class="number">0x60</span>; +<span class="kw">pub const </span>BPF_LEN: ::__u32 = <span class="number">0x80</span>; +<span class="kw">pub const </span>BPF_MSH: ::__u32 = <span class="number">0xa0</span>; +<span class="kw">pub const </span>BPF_ADD: ::__u32 = <span class="number">0x00</span>; +<span class="kw">pub const </span>BPF_SUB: ::__u32 = <span class="number">0x10</span>; +<span class="kw">pub const </span>BPF_MUL: ::__u32 = <span class="number">0x20</span>; +<span class="kw">pub const </span>BPF_DIV: ::__u32 = <span class="number">0x30</span>; +<span class="kw">pub const </span>BPF_OR: ::__u32 = <span class="number">0x40</span>; +<span class="kw">pub const </span>BPF_AND: ::__u32 = <span class="number">0x50</span>; +<span class="kw">pub const </span>BPF_LSH: ::__u32 = <span class="number">0x60</span>; +<span class="kw">pub const </span>BPF_RSH: ::__u32 = <span class="number">0x70</span>; +<span class="kw">pub const </span>BPF_NEG: ::__u32 = <span class="number">0x80</span>; +<span class="kw">pub const </span>BPF_MOD: ::__u32 = <span class="number">0x90</span>; +<span class="kw">pub const </span>BPF_XOR: ::__u32 = <span class="number">0xa0</span>; +<span class="kw">pub const </span>BPF_JA: ::__u32 = <span class="number">0x00</span>; +<span class="kw">pub const </span>BPF_JEQ: ::__u32 = <span class="number">0x10</span>; +<span class="kw">pub const </span>BPF_JGT: ::__u32 = <span class="number">0x20</span>; +<span class="kw">pub const </span>BPF_JGE: ::__u32 = <span class="number">0x30</span>; +<span class="kw">pub const </span>BPF_JSET: ::__u32 = <span class="number">0x40</span>; +<span class="kw">pub const </span>BPF_K: ::__u32 = <span class="number">0x00</span>; +<span class="kw">pub const </span>BPF_X: ::__u32 = <span class="number">0x08</span>; + +<span class="comment">// linux/openat2.h +</span><span class="kw">pub const </span>RESOLVE_NO_XDEV: ::__u64 = <span class="number">0x01</span>; +<span class="kw">pub const </span>RESOLVE_NO_MAGICLINKS: ::__u64 = <span class="number">0x02</span>; +<span class="kw">pub const </span>RESOLVE_NO_SYMLINKS: ::__u64 = <span class="number">0x04</span>; +<span class="kw">pub const </span>RESOLVE_BENEATH: ::__u64 = <span class="number">0x08</span>; +<span class="kw">pub const </span>RESOLVE_IN_ROOT: ::__u64 = <span class="number">0x10</span>; +<span class="kw">pub const </span>RESOLVE_CACHED: ::__u64 = <span class="number">0x20</span>; + +<span class="comment">// linux/if_ether.h +</span><span class="kw">pub const </span>ETH_ALEN: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>ETH_HLEN: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>ETH_ZLEN: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>ETH_DATA_LEN: ::c_int = <span class="number">1500</span>; +<span class="kw">pub const </span>ETH_FRAME_LEN: ::c_int = <span class="number">1514</span>; +<span class="kw">pub const </span>ETH_FCS_LEN: ::c_int = <span class="number">4</span>; + +<span class="comment">// These are the defined Ethernet Protocol ID's. +</span><span class="kw">pub const </span>ETH_P_LOOP: ::c_int = <span class="number">0x0060</span>; +<span class="kw">pub const </span>ETH_P_PUP: ::c_int = <span class="number">0x0200</span>; +<span class="kw">pub const </span>ETH_P_PUPAT: ::c_int = <span class="number">0x0201</span>; +<span class="kw">pub const </span>ETH_P_IP: ::c_int = <span class="number">0x0800</span>; +<span class="kw">pub const </span>ETH_P_X25: ::c_int = <span class="number">0x0805</span>; +<span class="kw">pub const </span>ETH_P_ARP: ::c_int = <span class="number">0x0806</span>; +<span class="kw">pub const </span>ETH_P_BPQ: ::c_int = <span class="number">0x08FF</span>; +<span class="kw">pub const </span>ETH_P_IEEEPUP: ::c_int = <span class="number">0x0a00</span>; +<span class="kw">pub const </span>ETH_P_IEEEPUPAT: ::c_int = <span class="number">0x0a01</span>; +<span class="kw">pub const </span>ETH_P_BATMAN: ::c_int = <span class="number">0x4305</span>; +<span class="kw">pub const </span>ETH_P_DEC: ::c_int = <span class="number">0x6000</span>; +<span class="kw">pub const </span>ETH_P_DNA_DL: ::c_int = <span class="number">0x6001</span>; +<span class="kw">pub const </span>ETH_P_DNA_RC: ::c_int = <span class="number">0x6002</span>; +<span class="kw">pub const </span>ETH_P_DNA_RT: ::c_int = <span class="number">0x6003</span>; +<span class="kw">pub const </span>ETH_P_LAT: ::c_int = <span class="number">0x6004</span>; +<span class="kw">pub const </span>ETH_P_DIAG: ::c_int = <span class="number">0x6005</span>; +<span class="kw">pub const </span>ETH_P_CUST: ::c_int = <span class="number">0x6006</span>; +<span class="kw">pub const </span>ETH_P_SCA: ::c_int = <span class="number">0x6007</span>; +<span class="kw">pub const </span>ETH_P_TEB: ::c_int = <span class="number">0x6558</span>; +<span class="kw">pub const </span>ETH_P_RARP: ::c_int = <span class="number">0x8035</span>; +<span class="kw">pub const </span>ETH_P_ATALK: ::c_int = <span class="number">0x809B</span>; +<span class="kw">pub const </span>ETH_P_AARP: ::c_int = <span class="number">0x80F3</span>; +<span class="kw">pub const </span>ETH_P_8021Q: ::c_int = <span class="number">0x8100</span>; +<span class="kw">pub const </span>ETH_P_IPX: ::c_int = <span class="number">0x8137</span>; +<span class="kw">pub const </span>ETH_P_IPV6: ::c_int = <span class="number">0x86DD</span>; +<span class="kw">pub const </span>ETH_P_PAUSE: ::c_int = <span class="number">0x8808</span>; +<span class="kw">pub const </span>ETH_P_SLOW: ::c_int = <span class="number">0x8809</span>; +<span class="kw">pub const </span>ETH_P_WCCP: ::c_int = <span class="number">0x883E</span>; +<span class="kw">pub const </span>ETH_P_MPLS_UC: ::c_int = <span class="number">0x8847</span>; +<span class="kw">pub const </span>ETH_P_MPLS_MC: ::c_int = <span class="number">0x8848</span>; +<span class="kw">pub const </span>ETH_P_ATMMPOA: ::c_int = <span class="number">0x884c</span>; +<span class="kw">pub const </span>ETH_P_PPP_DISC: ::c_int = <span class="number">0x8863</span>; +<span class="kw">pub const </span>ETH_P_PPP_SES: ::c_int = <span class="number">0x8864</span>; +<span class="kw">pub const </span>ETH_P_LINK_CTL: ::c_int = <span class="number">0x886c</span>; +<span class="kw">pub const </span>ETH_P_ATMFATE: ::c_int = <span class="number">0x8884</span>; +<span class="kw">pub const </span>ETH_P_PAE: ::c_int = <span class="number">0x888E</span>; +<span class="kw">pub const </span>ETH_P_AOE: ::c_int = <span class="number">0x88A2</span>; +<span class="kw">pub const </span>ETH_P_8021AD: ::c_int = <span class="number">0x88A8</span>; +<span class="kw">pub const </span>ETH_P_802_EX1: ::c_int = <span class="number">0x88B5</span>; +<span class="kw">pub const </span>ETH_P_TIPC: ::c_int = <span class="number">0x88CA</span>; +<span class="kw">pub const </span>ETH_P_MACSEC: ::c_int = <span class="number">0x88E5</span>; +<span class="kw">pub const </span>ETH_P_8021AH: ::c_int = <span class="number">0x88E7</span>; +<span class="kw">pub const </span>ETH_P_MVRP: ::c_int = <span class="number">0x88F5</span>; +<span class="kw">pub const </span>ETH_P_1588: ::c_int = <span class="number">0x88F7</span>; +<span class="kw">pub const </span>ETH_P_PRP: ::c_int = <span class="number">0x88FB</span>; +<span class="kw">pub const </span>ETH_P_FCOE: ::c_int = <span class="number">0x8906</span>; +<span class="kw">pub const </span>ETH_P_TDLS: ::c_int = <span class="number">0x890D</span>; +<span class="kw">pub const </span>ETH_P_FIP: ::c_int = <span class="number">0x8914</span>; +<span class="kw">pub const </span>ETH_P_80221: ::c_int = <span class="number">0x8917</span>; +<span class="kw">pub const </span>ETH_P_LOOPBACK: ::c_int = <span class="number">0x9000</span>; +<span class="kw">pub const </span>ETH_P_QINQ1: ::c_int = <span class="number">0x9100</span>; +<span class="kw">pub const </span>ETH_P_QINQ2: ::c_int = <span class="number">0x9200</span>; +<span class="kw">pub const </span>ETH_P_QINQ3: ::c_int = <span class="number">0x9300</span>; +<span class="kw">pub const </span>ETH_P_EDSA: ::c_int = <span class="number">0xDADA</span>; +<span class="kw">pub const </span>ETH_P_AF_IUCV: ::c_int = <span class="number">0xFBFB</span>; + +<span class="kw">pub const </span>ETH_P_802_3_MIN: ::c_int = <span class="number">0x0600</span>; + +<span class="comment">// Non DIX types. Won't clash for 1500 types. +</span><span class="kw">pub const </span>ETH_P_802_3: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>ETH_P_AX25: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>ETH_P_ALL: ::c_int = <span class="number">0x0003</span>; +<span class="kw">pub const </span>ETH_P_802_2: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>ETH_P_SNAP: ::c_int = <span class="number">0x0005</span>; +<span class="kw">pub const </span>ETH_P_DDCMP: ::c_int = <span class="number">0x0006</span>; +<span class="kw">pub const </span>ETH_P_WAN_PPP: ::c_int = <span class="number">0x0007</span>; +<span class="kw">pub const </span>ETH_P_PPP_MP: ::c_int = <span class="number">0x0008</span>; +<span class="kw">pub const </span>ETH_P_LOCALTALK: ::c_int = <span class="number">0x0009</span>; +<span class="kw">pub const </span>ETH_P_CANFD: ::c_int = <span class="number">0x000D</span>; +<span class="kw">pub const </span>ETH_P_PPPTALK: ::c_int = <span class="number">0x0010</span>; +<span class="kw">pub const </span>ETH_P_TR_802_2: ::c_int = <span class="number">0x0011</span>; +<span class="kw">pub const </span>ETH_P_MOBITEX: ::c_int = <span class="number">0x0015</span>; +<span class="kw">pub const </span>ETH_P_CONTROL: ::c_int = <span class="number">0x0016</span>; +<span class="kw">pub const </span>ETH_P_IRDA: ::c_int = <span class="number">0x0017</span>; +<span class="kw">pub const </span>ETH_P_ECONET: ::c_int = <span class="number">0x0018</span>; +<span class="kw">pub const </span>ETH_P_HDLC: ::c_int = <span class="number">0x0019</span>; +<span class="kw">pub const </span>ETH_P_ARCNET: ::c_int = <span class="number">0x001A</span>; +<span class="kw">pub const </span>ETH_P_DSA: ::c_int = <span class="number">0x001B</span>; +<span class="kw">pub const </span>ETH_P_TRAILER: ::c_int = <span class="number">0x001C</span>; +<span class="kw">pub const </span>ETH_P_PHONET: ::c_int = <span class="number">0x00F5</span>; +<span class="kw">pub const </span>ETH_P_IEEE802154: ::c_int = <span class="number">0x00F6</span>; +<span class="kw">pub const </span>ETH_P_CAIF: ::c_int = <span class="number">0x00F7</span>; + +<span class="kw">pub const </span>POSIX_SPAWN_RESETIDS: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>POSIX_SPAWN_SETPGROUP: ::c_int = <span class="number">0x02</span>; +<span class="kw">pub const </span>POSIX_SPAWN_SETSIGDEF: ::c_int = <span class="number">0x04</span>; +<span class="kw">pub const </span>POSIX_SPAWN_SETSIGMASK: ::c_int = <span class="number">0x08</span>; +<span class="kw">pub const </span>POSIX_SPAWN_SETSCHEDPARAM: ::c_int = <span class="number">0x10</span>; +<span class="kw">pub const </span>POSIX_SPAWN_SETSCHEDULER: ::c_int = <span class="number">0x20</span>; + +<span class="kw">pub const </span>NLMSG_NOOP: ::c_int = <span class="number">0x1</span>; +<span class="kw">pub const </span>NLMSG_ERROR: ::c_int = <span class="number">0x2</span>; +<span class="kw">pub const </span>NLMSG_DONE: ::c_int = <span class="number">0x3</span>; +<span class="kw">pub const </span>NLMSG_OVERRUN: ::c_int = <span class="number">0x4</span>; +<span class="kw">pub const </span>NLMSG_MIN_TYPE: ::c_int = <span class="number">0x10</span>; + +<span class="comment">// linux/netfilter/nfnetlink.h +</span><span class="kw">pub const </span>NFNLGRP_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFNLGRP_CONNTRACK_NEW: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFNLGRP_CONNTRACK_UPDATE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFNLGRP_CONNTRACK_DESTROY: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFNLGRP_CONNTRACK_EXP_NEW: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFNLGRP_CONNTRACK_EXP_UPDATE: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFNLGRP_CONNTRACK_EXP_DESTROY: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFNLGRP_NFTABLES: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFNLGRP_ACCT_QUOTA: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFNLGRP_NFTRACE: ::c_int = <span class="number">9</span>; + +<span class="kw">pub const </span>NFNETLINK_V0: ::c_int = <span class="number">0</span>; + +<span class="kw">pub const </span>NFNL_SUBSYS_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_CTNETLINK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_CTNETLINK_EXP: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_QUEUE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_ULOG: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_OSF: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_IPSET: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_ACCT: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_CTNETLINK_TIMEOUT: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_CTHELPER: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_NFTABLES: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_NFT_COMPAT: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_HOOK: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFNL_SUBSYS_COUNT: ::c_int = <span class="number">13</span>; + +<span class="kw">pub const </span>NFNL_MSG_BATCH_BEGIN: ::c_int = NLMSG_MIN_TYPE; +<span class="kw">pub const </span>NFNL_MSG_BATCH_END: ::c_int = NLMSG_MIN_TYPE + <span class="number">1</span>; + +<span class="kw">pub const </span>NFNL_BATCH_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFNL_BATCH_GENID: ::c_int = <span class="number">1</span>; + +<span class="comment">// linux/netfilter/nfnetlink_log.h +</span><span class="kw">pub const </span>NFULNL_MSG_PACKET: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFULNL_MSG_CONFIG: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFULA_VLAN_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFULA_VLAN_PROTO: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFULA_VLAN_TCI: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>NFULA_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFULA_PACKET_HDR: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFULA_MARK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFULA_TIMESTAMP: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFULA_IFINDEX_INDEV: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFULA_IFINDEX_OUTDEV: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFULA_IFINDEX_PHYSINDEV: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFULA_IFINDEX_PHYSOUTDEV: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFULA_HWADDR: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFULA_PAYLOAD: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFULA_PREFIX: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFULA_UID: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFULA_SEQ: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFULA_SEQ_GLOBAL: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFULA_GID: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NFULA_HWTYPE: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NFULA_HWHEADER: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NFULA_HWLEN: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>NFULA_CT: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>NFULA_CT_INFO: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>NFULA_VLAN: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>NFULA_L2HDR: ::c_int = <span class="number">21</span>; + +<span class="kw">pub const </span>NFULNL_CFG_CMD_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFULNL_CFG_CMD_BIND: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFULNL_CFG_CMD_UNBIND: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFULNL_CFG_CMD_PF_BIND: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFULNL_CFG_CMD_PF_UNBIND: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>NFULA_CFG_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFULA_CFG_CMD: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFULA_CFG_MODE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFULA_CFG_NLBUFSIZ: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFULA_CFG_TIMEOUT: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFULA_CFG_QTHRESH: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFULA_CFG_FLAGS: ::c_int = <span class="number">6</span>; + +<span class="kw">pub const </span>NFULNL_COPY_NONE: ::c_int = <span class="number">0x00</span>; +<span class="kw">pub const </span>NFULNL_COPY_META: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>NFULNL_COPY_PACKET: ::c_int = <span class="number">0x02</span>; + +<span class="kw">pub const </span>NFULNL_CFG_F_SEQ: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>NFULNL_CFG_F_SEQ_GLOBAL: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>NFULNL_CFG_F_CONNTRACK: ::c_int = <span class="number">0x0004</span>; + +<span class="comment">// linux/netfilter/nfnetlink_queue.h +</span><span class="kw">pub const </span>NFQNL_MSG_PACKET: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFQNL_MSG_VERDICT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFQNL_MSG_CONFIG: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFQNL_MSG_VERDICT_BATCH: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>NFQA_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFQA_PACKET_HDR: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFQA_VERDICT_HDR: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFQA_MARK: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFQA_TIMESTAMP: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFQA_IFINDEX_INDEV: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFQA_IFINDEX_OUTDEV: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFQA_IFINDEX_PHYSINDEV: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFQA_IFINDEX_PHYSOUTDEV: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFQA_HWADDR: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFQA_PAYLOAD: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFQA_CT: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFQA_CT_INFO: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFQA_CAP_LEN: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFQA_SKB_INFO: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NFQA_EXP: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NFQA_UID: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NFQA_GID: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>NFQA_SECCTX: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>NFQA_VLAN: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>NFQA_L2HDR: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>NFQA_PRIORITY: ::c_int = <span class="number">21</span>; + +<span class="kw">pub const </span>NFQA_VLAN_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFQA_VLAN_PROTO: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFQA_VLAN_TCI: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>NFQNL_CFG_CMD_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFQNL_CFG_CMD_BIND: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFQNL_CFG_CMD_UNBIND: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFQNL_CFG_CMD_PF_BIND: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFQNL_CFG_CMD_PF_UNBIND: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>NFQNL_COPY_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFQNL_COPY_META: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFQNL_COPY_PACKET: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>NFQA_CFG_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFQA_CFG_CMD: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFQA_CFG_PARAMS: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFQA_CFG_QUEUE_MAXLEN: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFQA_CFG_MASK: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFQA_CFG_FLAGS: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>NFQA_CFG_F_FAIL_OPEN: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>NFQA_CFG_F_CONNTRACK: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>NFQA_CFG_F_GSO: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>NFQA_CFG_F_UID_GID: ::c_int = <span class="number">0x0008</span>; +<span class="kw">pub const </span>NFQA_CFG_F_SECCTX: ::c_int = <span class="number">0x0010</span>; +<span class="kw">pub const </span>NFQA_CFG_F_MAX: ::c_int = <span class="number">0x0020</span>; + +<span class="kw">pub const </span>NFQA_SKB_CSUMNOTREADY: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>NFQA_SKB_GSO: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>NFQA_SKB_CSUM_NOTVERIFIED: ::c_int = <span class="number">0x0004</span>; + +<span class="comment">// linux/genetlink.h + +</span><span class="kw">pub const </span>GENL_NAMSIZ: ::c_int = <span class="number">16</span>; + +<span class="kw">pub const </span>GENL_MIN_ID: ::c_int = NLMSG_MIN_TYPE; +<span class="kw">pub const </span>GENL_MAX_ID: ::c_int = <span class="number">1023</span>; + +<span class="kw">pub const </span>GENL_ADMIN_PERM: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>GENL_CMD_CAP_DO: ::c_int = <span class="number">0x02</span>; +<span class="kw">pub const </span>GENL_CMD_CAP_DUMP: ::c_int = <span class="number">0x04</span>; +<span class="kw">pub const </span>GENL_CMD_CAP_HASPOL: ::c_int = <span class="number">0x08</span>; + +<span class="kw">pub const </span>GENL_ID_CTRL: ::c_int = NLMSG_MIN_TYPE; + +<span class="kw">pub const </span>CTRL_CMD_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>CTRL_CMD_NEWFAMILY: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CTRL_CMD_DELFAMILY: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>CTRL_CMD_GETFAMILY: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>CTRL_CMD_NEWOPS: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>CTRL_CMD_DELOPS: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>CTRL_CMD_GETOPS: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>CTRL_CMD_NEWMCAST_GRP: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>CTRL_CMD_DELMCAST_GRP: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>CTRL_CMD_GETMCAST_GRP: ::c_int = <span class="number">9</span>; + +<span class="kw">pub const </span>CTRL_ATTR_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>CTRL_ATTR_FAMILY_ID: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CTRL_ATTR_FAMILY_NAME: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>CTRL_ATTR_VERSION: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>CTRL_ATTR_HDRSIZE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>CTRL_ATTR_MAXATTR: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>CTRL_ATTR_OPS: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>CTRL_ATTR_MCAST_GROUPS: ::c_int = <span class="number">7</span>; + +<span class="kw">pub const </span>CTRL_ATTR_OP_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>CTRL_ATTR_OP_ID: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CTRL_ATTR_OP_FLAGS: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>CTRL_ATTR_MCAST_GRP_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>CTRL_ATTR_MCAST_GRP_NAME: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CTRL_ATTR_MCAST_GRP_ID: ::c_int = <span class="number">2</span>; + +<span class="comment">// linux/if_packet.h +</span><span class="kw">pub const </span>PACKET_ADD_MEMBERSHIP: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PACKET_DROP_MEMBERSHIP: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PACKET_MR_MULTICAST: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PACKET_MR_PROMISC: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PACKET_MR_ALLMULTI: ::c_int = <span class="number">2</span>; + +<span class="comment">// linux/netfilter.h +</span><span class="kw">pub const </span>NF_DROP: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_ACCEPT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NF_STOLEN: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NF_QUEUE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NF_REPEAT: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NF_STOP: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NF_MAX_VERDICT: ::c_int = NF_STOP; + +<span class="kw">pub const </span>NF_VERDICT_MASK: ::c_int = <span class="number">0x000000ff</span>; +<span class="kw">pub const </span>NF_VERDICT_FLAG_QUEUE_BYPASS: ::c_int = <span class="number">0x00008000</span>; + +<span class="kw">pub const </span>NF_VERDICT_QMASK: ::c_int = <span class="number">0xffff0000</span>; +<span class="kw">pub const </span>NF_VERDICT_QBITS: ::c_int = <span class="number">16</span>; + +<span class="kw">pub const </span>NF_VERDICT_BITS: ::c_int = <span class="number">16</span>; + +<span class="kw">pub const </span>NF_INET_PRE_ROUTING: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_INET_LOCAL_IN: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NF_INET_FORWARD: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NF_INET_LOCAL_OUT: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NF_INET_POST_ROUTING: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NF_INET_NUMHOOKS: ::c_int = <span class="number">5</span>; + +<span class="comment">// Some NFPROTO are not compatible with musl and are defined in submodules. +</span><span class="kw">pub const </span>NFPROTO_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFPROTO_IPV4: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFPROTO_ARP: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFPROTO_BRIDGE: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFPROTO_IPV6: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFPROTO_DECNET: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFPROTO_NUMPROTO: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFPROTO_INET: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFPROTO_NETDEV: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>NF_NETDEV_INGRESS: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_NETDEV_NUMHOOKS: ::c_int = <span class="number">1</span>; + +<span class="comment">// linux/netfilter_ipv4.h +</span><span class="kw">pub const </span>NF_IP_PRE_ROUTING: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_IP_LOCAL_IN: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NF_IP_FORWARD: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NF_IP_LOCAL_OUT: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NF_IP_POST_ROUTING: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NF_IP_NUMHOOKS: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>NF_IP_PRI_FIRST: ::c_int = ::INT_MIN; +<span class="kw">pub const </span>NF_IP_PRI_CONNTRACK_DEFRAG: ::c_int = -<span class="number">400</span>; +<span class="kw">pub const </span>NF_IP_PRI_RAW: ::c_int = -<span class="number">300</span>; +<span class="kw">pub const </span>NF_IP_PRI_SELINUX_FIRST: ::c_int = -<span class="number">225</span>; +<span class="kw">pub const </span>NF_IP_PRI_CONNTRACK: ::c_int = -<span class="number">200</span>; +<span class="kw">pub const </span>NF_IP_PRI_MANGLE: ::c_int = -<span class="number">150</span>; +<span class="kw">pub const </span>NF_IP_PRI_NAT_DST: ::c_int = -<span class="number">100</span>; +<span class="kw">pub const </span>NF_IP_PRI_FILTER: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_IP_PRI_SECURITY: ::c_int = <span class="number">50</span>; +<span class="kw">pub const </span>NF_IP_PRI_NAT_SRC: ::c_int = <span class="number">100</span>; +<span class="kw">pub const </span>NF_IP_PRI_SELINUX_LAST: ::c_int = <span class="number">225</span>; +<span class="kw">pub const </span>NF_IP_PRI_CONNTRACK_HELPER: ::c_int = <span class="number">300</span>; +<span class="kw">pub const </span>NF_IP_PRI_CONNTRACK_CONFIRM: ::c_int = ::INT_MAX; +<span class="kw">pub const </span>NF_IP_PRI_LAST: ::c_int = ::INT_MAX; + +<span class="comment">// linux/netfilter_ipv6.h +</span><span class="kw">pub const </span>NF_IP6_PRE_ROUTING: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_IP6_LOCAL_IN: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NF_IP6_FORWARD: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NF_IP6_LOCAL_OUT: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NF_IP6_POST_ROUTING: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NF_IP6_NUMHOOKS: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>NF_IP6_PRI_FIRST: ::c_int = ::INT_MIN; +<span class="kw">pub const </span>NF_IP6_PRI_CONNTRACK_DEFRAG: ::c_int = -<span class="number">400</span>; +<span class="kw">pub const </span>NF_IP6_PRI_RAW: ::c_int = -<span class="number">300</span>; +<span class="kw">pub const </span>NF_IP6_PRI_SELINUX_FIRST: ::c_int = -<span class="number">225</span>; +<span class="kw">pub const </span>NF_IP6_PRI_CONNTRACK: ::c_int = -<span class="number">200</span>; +<span class="kw">pub const </span>NF_IP6_PRI_MANGLE: ::c_int = -<span class="number">150</span>; +<span class="kw">pub const </span>NF_IP6_PRI_NAT_DST: ::c_int = -<span class="number">100</span>; +<span class="kw">pub const </span>NF_IP6_PRI_FILTER: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NF_IP6_PRI_SECURITY: ::c_int = <span class="number">50</span>; +<span class="kw">pub const </span>NF_IP6_PRI_NAT_SRC: ::c_int = <span class="number">100</span>; +<span class="kw">pub const </span>NF_IP6_PRI_SELINUX_LAST: ::c_int = <span class="number">225</span>; +<span class="kw">pub const </span>NF_IP6_PRI_CONNTRACK_HELPER: ::c_int = <span class="number">300</span>; +<span class="kw">pub const </span>NF_IP6_PRI_LAST: ::c_int = ::INT_MAX; + +<span class="comment">// linux/netfilter_ipv6/ip6_tables.h +</span><span class="kw">pub const </span>IP6T_SO_ORIGINAL_DST: ::c_int = <span class="number">80</span>; + +<span class="kw">pub const </span>SIOCADDRT: ::c_ulong = <span class="number">0x0000890B</span>; +<span class="kw">pub const </span>SIOCDELRT: ::c_ulong = <span class="number">0x0000890C</span>; +<span class="kw">pub const </span>SIOCGIFNAME: ::c_ulong = <span class="number">0x00008910</span>; +<span class="kw">pub const </span>SIOCSIFLINK: ::c_ulong = <span class="number">0x00008911</span>; +<span class="kw">pub const </span>SIOCGIFCONF: ::c_ulong = <span class="number">0x00008912</span>; +<span class="kw">pub const </span>SIOCGIFFLAGS: ::c_ulong = <span class="number">0x00008913</span>; +<span class="kw">pub const </span>SIOCSIFFLAGS: ::c_ulong = <span class="number">0x00008914</span>; +<span class="kw">pub const </span>SIOCGIFADDR: ::c_ulong = <span class="number">0x00008915</span>; +<span class="kw">pub const </span>SIOCSIFADDR: ::c_ulong = <span class="number">0x00008916</span>; +<span class="kw">pub const </span>SIOCGIFDSTADDR: ::c_ulong = <span class="number">0x00008917</span>; +<span class="kw">pub const </span>SIOCSIFDSTADDR: ::c_ulong = <span class="number">0x00008918</span>; +<span class="kw">pub const </span>SIOCGIFBRDADDR: ::c_ulong = <span class="number">0x00008919</span>; +<span class="kw">pub const </span>SIOCSIFBRDADDR: ::c_ulong = <span class="number">0x0000891A</span>; +<span class="kw">pub const </span>SIOCGIFNETMASK: ::c_ulong = <span class="number">0x0000891B</span>; +<span class="kw">pub const </span>SIOCSIFNETMASK: ::c_ulong = <span class="number">0x0000891C</span>; +<span class="kw">pub const </span>SIOCGIFMETRIC: ::c_ulong = <span class="number">0x0000891D</span>; +<span class="kw">pub const </span>SIOCSIFMETRIC: ::c_ulong = <span class="number">0x0000891E</span>; +<span class="kw">pub const </span>SIOCGIFMEM: ::c_ulong = <span class="number">0x0000891F</span>; +<span class="kw">pub const </span>SIOCSIFMEM: ::c_ulong = <span class="number">0x00008920</span>; +<span class="kw">pub const </span>SIOCGIFMTU: ::c_ulong = <span class="number">0x00008921</span>; +<span class="kw">pub const </span>SIOCSIFMTU: ::c_ulong = <span class="number">0x00008922</span>; +<span class="kw">pub const </span>SIOCSIFHWADDR: ::c_ulong = <span class="number">0x00008924</span>; +<span class="kw">pub const </span>SIOCGIFENCAP: ::c_ulong = <span class="number">0x00008925</span>; +<span class="kw">pub const </span>SIOCSIFENCAP: ::c_ulong = <span class="number">0x00008926</span>; +<span class="kw">pub const </span>SIOCGIFHWADDR: ::c_ulong = <span class="number">0x00008927</span>; +<span class="kw">pub const </span>SIOCGIFSLAVE: ::c_ulong = <span class="number">0x00008929</span>; +<span class="kw">pub const </span>SIOCSIFSLAVE: ::c_ulong = <span class="number">0x00008930</span>; +<span class="kw">pub const </span>SIOCADDMULTI: ::c_ulong = <span class="number">0x00008931</span>; +<span class="kw">pub const </span>SIOCDELMULTI: ::c_ulong = <span class="number">0x00008932</span>; +<span class="kw">pub const </span>SIOCGIFINDEX: ::c_ulong = <span class="number">0x00008933</span>; +<span class="kw">pub const </span>SIOGIFINDEX: ::c_ulong = SIOCGIFINDEX; +<span class="kw">pub const </span>SIOCSIFPFLAGS: ::c_ulong = <span class="number">0x00008934</span>; +<span class="kw">pub const </span>SIOCGIFPFLAGS: ::c_ulong = <span class="number">0x00008935</span>; +<span class="kw">pub const </span>SIOCDIFADDR: ::c_ulong = <span class="number">0x00008936</span>; +<span class="kw">pub const </span>SIOCSIFHWBROADCAST: ::c_ulong = <span class="number">0x00008937</span>; +<span class="kw">pub const </span>SIOCGIFCOUNT: ::c_ulong = <span class="number">0x00008938</span>; +<span class="kw">pub const </span>SIOCGIFBR: ::c_ulong = <span class="number">0x00008940</span>; +<span class="kw">pub const </span>SIOCSIFBR: ::c_ulong = <span class="number">0x00008941</span>; +<span class="kw">pub const </span>SIOCGIFTXQLEN: ::c_ulong = <span class="number">0x00008942</span>; +<span class="kw">pub const </span>SIOCSIFTXQLEN: ::c_ulong = <span class="number">0x00008943</span>; +<span class="kw">pub const </span>SIOCETHTOOL: ::c_ulong = <span class="number">0x00008946</span>; +<span class="kw">pub const </span>SIOCGMIIPHY: ::c_ulong = <span class="number">0x00008947</span>; +<span class="kw">pub const </span>SIOCGMIIREG: ::c_ulong = <span class="number">0x00008948</span>; +<span class="kw">pub const </span>SIOCSMIIREG: ::c_ulong = <span class="number">0x00008949</span>; +<span class="kw">pub const </span>SIOCWANDEV: ::c_ulong = <span class="number">0x0000894A</span>; +<span class="kw">pub const </span>SIOCOUTQNSD: ::c_ulong = <span class="number">0x0000894B</span>; +<span class="kw">pub const </span>SIOCGSKNS: ::c_ulong = <span class="number">0x0000894C</span>; +<span class="kw">pub const </span>SIOCDARP: ::c_ulong = <span class="number">0x00008953</span>; +<span class="kw">pub const </span>SIOCGARP: ::c_ulong = <span class="number">0x00008954</span>; +<span class="kw">pub const </span>SIOCSARP: ::c_ulong = <span class="number">0x00008955</span>; +<span class="kw">pub const </span>SIOCDRARP: ::c_ulong = <span class="number">0x00008960</span>; +<span class="kw">pub const </span>SIOCGRARP: ::c_ulong = <span class="number">0x00008961</span>; +<span class="kw">pub const </span>SIOCSRARP: ::c_ulong = <span class="number">0x00008962</span>; +<span class="kw">pub const </span>SIOCGIFMAP: ::c_ulong = <span class="number">0x00008970</span>; +<span class="kw">pub const </span>SIOCSIFMAP: ::c_ulong = <span class="number">0x00008971</span>; + +<span class="kw">pub const </span>IPTOS_TOS_MASK: u8 = <span class="number">0x1E</span>; +<span class="kw">pub const </span>IPTOS_PREC_MASK: u8 = <span class="number">0xE0</span>; + +<span class="kw">pub const </span>IPTOS_ECN_NOT_ECT: u8 = <span class="number">0x00</span>; + +<span class="kw">pub const </span>RTF_UP: ::c_ushort = <span class="number">0x0001</span>; +<span class="kw">pub const </span>RTF_GATEWAY: ::c_ushort = <span class="number">0x0002</span>; + +<span class="kw">pub const </span>RTF_HOST: ::c_ushort = <span class="number">0x0004</span>; +<span class="kw">pub const </span>RTF_REINSTATE: ::c_ushort = <span class="number">0x0008</span>; +<span class="kw">pub const </span>RTF_DYNAMIC: ::c_ushort = <span class="number">0x0010</span>; +<span class="kw">pub const </span>RTF_MODIFIED: ::c_ushort = <span class="number">0x0020</span>; +<span class="kw">pub const </span>RTF_MTU: ::c_ushort = <span class="number">0x0040</span>; +<span class="kw">pub const </span>RTF_MSS: ::c_ushort = RTF_MTU; +<span class="kw">pub const </span>RTF_WINDOW: ::c_ushort = <span class="number">0x0080</span>; +<span class="kw">pub const </span>RTF_IRTT: ::c_ushort = <span class="number">0x0100</span>; +<span class="kw">pub const </span>RTF_REJECT: ::c_ushort = <span class="number">0x0200</span>; +<span class="kw">pub const </span>RTF_STATIC: ::c_ushort = <span class="number">0x0400</span>; +<span class="kw">pub const </span>RTF_XRESOLVE: ::c_ushort = <span class="number">0x0800</span>; +<span class="kw">pub const </span>RTF_NOFORWARD: ::c_ushort = <span class="number">0x1000</span>; +<span class="kw">pub const </span>RTF_THROW: ::c_ushort = <span class="number">0x2000</span>; +<span class="kw">pub const </span>RTF_NOPMTUDISC: ::c_ushort = <span class="number">0x4000</span>; + +<span class="kw">pub const </span>RTF_DEFAULT: u32 = <span class="number">0x00010000</span>; +<span class="kw">pub const </span>RTF_ALLONLINK: u32 = <span class="number">0x00020000</span>; +<span class="kw">pub const </span>RTF_ADDRCONF: u32 = <span class="number">0x00040000</span>; +<span class="kw">pub const </span>RTF_LINKRT: u32 = <span class="number">0x00100000</span>; +<span class="kw">pub const </span>RTF_NONEXTHOP: u32 = <span class="number">0x00200000</span>; +<span class="kw">pub const </span>RTF_CACHE: u32 = <span class="number">0x01000000</span>; +<span class="kw">pub const </span>RTF_FLOW: u32 = <span class="number">0x02000000</span>; +<span class="kw">pub const </span>RTF_POLICY: u32 = <span class="number">0x04000000</span>; + +<span class="kw">pub const </span>RTCF_VALVE: u32 = <span class="number">0x00200000</span>; +<span class="kw">pub const </span>RTCF_MASQ: u32 = <span class="number">0x00400000</span>; +<span class="kw">pub const </span>RTCF_NAT: u32 = <span class="number">0x00800000</span>; +<span class="kw">pub const </span>RTCF_DOREDIRECT: u32 = <span class="number">0x01000000</span>; +<span class="kw">pub const </span>RTCF_LOG: u32 = <span class="number">0x02000000</span>; +<span class="kw">pub const </span>RTCF_DIRECTSRC: u32 = <span class="number">0x04000000</span>; + +<span class="kw">pub const </span>RTF_LOCAL: u32 = <span class="number">0x80000000</span>; +<span class="kw">pub const </span>RTF_INTERFACE: u32 = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>RTF_MULTICAST: u32 = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>RTF_BROADCAST: u32 = <span class="number">0x10000000</span>; +<span class="kw">pub const </span>RTF_NAT: u32 = <span class="number">0x08000000</span>; +<span class="kw">pub const </span>RTF_ADDRCLASSMASK: u32 = <span class="number">0xF8000000</span>; + +<span class="kw">pub const </span>RT_CLASS_UNSPEC: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>RT_CLASS_DEFAULT: u8 = <span class="number">253</span>; +<span class="kw">pub const </span>RT_CLASS_MAIN: u8 = <span class="number">254</span>; +<span class="kw">pub const </span>RT_CLASS_LOCAL: u8 = <span class="number">255</span>; +<span class="kw">pub const </span>RT_CLASS_MAX: u8 = <span class="number">255</span>; + +<span class="comment">// linux/neighbor.h +</span><span class="kw">pub const </span>NUD_NONE: u16 = <span class="number">0x00</span>; +<span class="kw">pub const </span>NUD_INCOMPLETE: u16 = <span class="number">0x01</span>; +<span class="kw">pub const </span>NUD_REACHABLE: u16 = <span class="number">0x02</span>; +<span class="kw">pub const </span>NUD_STALE: u16 = <span class="number">0x04</span>; +<span class="kw">pub const </span>NUD_DELAY: u16 = <span class="number">0x08</span>; +<span class="kw">pub const </span>NUD_PROBE: u16 = <span class="number">0x10</span>; +<span class="kw">pub const </span>NUD_FAILED: u16 = <span class="number">0x20</span>; +<span class="kw">pub const </span>NUD_NOARP: u16 = <span class="number">0x40</span>; +<span class="kw">pub const </span>NUD_PERMANENT: u16 = <span class="number">0x80</span>; + +<span class="kw">pub const </span>NTF_USE: u8 = <span class="number">0x01</span>; +<span class="kw">pub const </span>NTF_SELF: u8 = <span class="number">0x02</span>; +<span class="kw">pub const </span>NTF_MASTER: u8 = <span class="number">0x04</span>; +<span class="kw">pub const </span>NTF_PROXY: u8 = <span class="number">0x08</span>; +<span class="kw">pub const </span>NTF_ROUTER: u8 = <span class="number">0x80</span>; + +<span class="kw">pub const </span>NDA_UNSPEC: ::c_ushort = <span class="number">0</span>; +<span class="kw">pub const </span>NDA_DST: ::c_ushort = <span class="number">1</span>; +<span class="kw">pub const </span>NDA_LLADDR: ::c_ushort = <span class="number">2</span>; +<span class="kw">pub const </span>NDA_CACHEINFO: ::c_ushort = <span class="number">3</span>; +<span class="kw">pub const </span>NDA_PROBES: ::c_ushort = <span class="number">4</span>; +<span class="kw">pub const </span>NDA_VLAN: ::c_ushort = <span class="number">5</span>; +<span class="kw">pub const </span>NDA_PORT: ::c_ushort = <span class="number">6</span>; +<span class="kw">pub const </span>NDA_VNI: ::c_ushort = <span class="number">7</span>; +<span class="kw">pub const </span>NDA_IFINDEX: ::c_ushort = <span class="number">8</span>; + +<span class="comment">// linux/netlink.h +</span><span class="kw">pub const </span>NLA_ALIGNTO: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>NETLINK_ROUTE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NETLINK_UNUSED: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NETLINK_USERSOCK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NETLINK_FIREWALL: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NETLINK_SOCK_DIAG: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NETLINK_NFLOG: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NETLINK_XFRM: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NETLINK_SELINUX: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NETLINK_ISCSI: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NETLINK_AUDIT: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NETLINK_FIB_LOOKUP: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NETLINK_CONNECTOR: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NETLINK_NETFILTER: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NETLINK_IP6_FW: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NETLINK_DNRTMSG: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NETLINK_KOBJECT_UEVENT: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NETLINK_GENERIC: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NETLINK_SCSITRANSPORT: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>NETLINK_ECRYPTFS: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>NETLINK_RDMA: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>NETLINK_CRYPTO: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>NETLINK_INET_DIAG: ::c_int = NETLINK_SOCK_DIAG; + +<span class="kw">pub const </span>NLM_F_REQUEST: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NLM_F_MULTI: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NLM_F_ACK: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NLM_F_ECHO: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NLM_F_DUMP_INTR: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NLM_F_DUMP_FILTERED: ::c_int = <span class="number">32</span>; + +<span class="kw">pub const </span>NLM_F_ROOT: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>NLM_F_MATCH: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>NLM_F_ATOMIC: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>NLM_F_DUMP: ::c_int = NLM_F_ROOT | NLM_F_MATCH; + +<span class="kw">pub const </span>NLM_F_REPLACE: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>NLM_F_EXCL: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>NLM_F_CREATE: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>NLM_F_APPEND: ::c_int = <span class="number">0x800</span>; + +<span class="kw">pub const </span>NETLINK_ADD_MEMBERSHIP: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NETLINK_DROP_MEMBERSHIP: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NETLINK_PKTINFO: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NETLINK_BROADCAST_ERROR: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NETLINK_NO_ENOBUFS: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NETLINK_RX_RING: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NETLINK_TX_RING: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NETLINK_LISTEN_ALL_NSID: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NETLINK_LIST_MEMBERSHIPS: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NETLINK_CAP_ACK: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NETLINK_EXT_ACK: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NETLINK_GET_STRICT_CHK: ::c_int = <span class="number">12</span>; + +<span class="kw">pub const </span>NLA_F_NESTED: ::c_int = <span class="number">1 </span><< <span class="number">15</span>; +<span class="kw">pub const </span>NLA_F_NET_BYTEORDER: ::c_int = <span class="number">1 </span><< <span class="number">14</span>; +<span class="kw">pub const </span>NLA_TYPE_MASK: ::c_int = !(NLA_F_NESTED | NLA_F_NET_BYTEORDER); + +<span class="comment">// linux/rtnetlink.h +</span><span class="kw">pub const </span>TCA_UNSPEC: ::c_ushort = <span class="number">0</span>; +<span class="kw">pub const </span>TCA_KIND: ::c_ushort = <span class="number">1</span>; +<span class="kw">pub const </span>TCA_OPTIONS: ::c_ushort = <span class="number">2</span>; +<span class="kw">pub const </span>TCA_STATS: ::c_ushort = <span class="number">3</span>; +<span class="kw">pub const </span>TCA_XSTATS: ::c_ushort = <span class="number">4</span>; +<span class="kw">pub const </span>TCA_RATE: ::c_ushort = <span class="number">5</span>; +<span class="kw">pub const </span>TCA_FCNT: ::c_ushort = <span class="number">6</span>; +<span class="kw">pub const </span>TCA_STATS2: ::c_ushort = <span class="number">7</span>; +<span class="kw">pub const </span>TCA_STAB: ::c_ushort = <span class="number">8</span>; + +<span class="kw">pub const </span>RTM_NEWLINK: u16 = <span class="number">16</span>; +<span class="kw">pub const </span>RTM_DELLINK: u16 = <span class="number">17</span>; +<span class="kw">pub const </span>RTM_GETLINK: u16 = <span class="number">18</span>; +<span class="kw">pub const </span>RTM_SETLINK: u16 = <span class="number">19</span>; +<span class="kw">pub const </span>RTM_NEWADDR: u16 = <span class="number">20</span>; +<span class="kw">pub const </span>RTM_DELADDR: u16 = <span class="number">21</span>; +<span class="kw">pub const </span>RTM_GETADDR: u16 = <span class="number">22</span>; +<span class="kw">pub const </span>RTM_NEWROUTE: u16 = <span class="number">24</span>; +<span class="kw">pub const </span>RTM_DELROUTE: u16 = <span class="number">25</span>; +<span class="kw">pub const </span>RTM_GETROUTE: u16 = <span class="number">26</span>; +<span class="kw">pub const </span>RTM_NEWNEIGH: u16 = <span class="number">28</span>; +<span class="kw">pub const </span>RTM_DELNEIGH: u16 = <span class="number">29</span>; +<span class="kw">pub const </span>RTM_GETNEIGH: u16 = <span class="number">30</span>; +<span class="kw">pub const </span>RTM_NEWRULE: u16 = <span class="number">32</span>; +<span class="kw">pub const </span>RTM_DELRULE: u16 = <span class="number">33</span>; +<span class="kw">pub const </span>RTM_GETRULE: u16 = <span class="number">34</span>; +<span class="kw">pub const </span>RTM_NEWQDISC: u16 = <span class="number">36</span>; +<span class="kw">pub const </span>RTM_DELQDISC: u16 = <span class="number">37</span>; +<span class="kw">pub const </span>RTM_GETQDISC: u16 = <span class="number">38</span>; +<span class="kw">pub const </span>RTM_NEWTCLASS: u16 = <span class="number">40</span>; +<span class="kw">pub const </span>RTM_DELTCLASS: u16 = <span class="number">41</span>; +<span class="kw">pub const </span>RTM_GETTCLASS: u16 = <span class="number">42</span>; +<span class="kw">pub const </span>RTM_NEWTFILTER: u16 = <span class="number">44</span>; +<span class="kw">pub const </span>RTM_DELTFILTER: u16 = <span class="number">45</span>; +<span class="kw">pub const </span>RTM_GETTFILTER: u16 = <span class="number">46</span>; +<span class="kw">pub const </span>RTM_NEWACTION: u16 = <span class="number">48</span>; +<span class="kw">pub const </span>RTM_DELACTION: u16 = <span class="number">49</span>; +<span class="kw">pub const </span>RTM_GETACTION: u16 = <span class="number">50</span>; +<span class="kw">pub const </span>RTM_NEWPREFIX: u16 = <span class="number">52</span>; +<span class="kw">pub const </span>RTM_GETMULTICAST: u16 = <span class="number">58</span>; +<span class="kw">pub const </span>RTM_GETANYCAST: u16 = <span class="number">62</span>; +<span class="kw">pub const </span>RTM_NEWNEIGHTBL: u16 = <span class="number">64</span>; +<span class="kw">pub const </span>RTM_GETNEIGHTBL: u16 = <span class="number">66</span>; +<span class="kw">pub const </span>RTM_SETNEIGHTBL: u16 = <span class="number">67</span>; +<span class="kw">pub const </span>RTM_NEWNDUSEROPT: u16 = <span class="number">68</span>; +<span class="kw">pub const </span>RTM_NEWADDRLABEL: u16 = <span class="number">72</span>; +<span class="kw">pub const </span>RTM_DELADDRLABEL: u16 = <span class="number">73</span>; +<span class="kw">pub const </span>RTM_GETADDRLABEL: u16 = <span class="number">74</span>; +<span class="kw">pub const </span>RTM_GETDCB: u16 = <span class="number">78</span>; +<span class="kw">pub const </span>RTM_SETDCB: u16 = <span class="number">79</span>; +<span class="kw">pub const </span>RTM_NEWNETCONF: u16 = <span class="number">80</span>; +<span class="kw">pub const </span>RTM_GETNETCONF: u16 = <span class="number">82</span>; +<span class="kw">pub const </span>RTM_NEWMDB: u16 = <span class="number">84</span>; +<span class="kw">pub const </span>RTM_DELMDB: u16 = <span class="number">85</span>; +<span class="kw">pub const </span>RTM_GETMDB: u16 = <span class="number">86</span>; +<span class="kw">pub const </span>RTM_NEWNSID: u16 = <span class="number">88</span>; +<span class="kw">pub const </span>RTM_DELNSID: u16 = <span class="number">89</span>; +<span class="kw">pub const </span>RTM_GETNSID: u16 = <span class="number">90</span>; + +<span class="kw">pub const </span>RTM_F_NOTIFY: ::c_uint = <span class="number">0x100</span>; +<span class="kw">pub const </span>RTM_F_CLONED: ::c_uint = <span class="number">0x200</span>; +<span class="kw">pub const </span>RTM_F_EQUALIZE: ::c_uint = <span class="number">0x400</span>; +<span class="kw">pub const </span>RTM_F_PREFIX: ::c_uint = <span class="number">0x800</span>; + +<span class="kw">pub const </span>RTA_UNSPEC: ::c_ushort = <span class="number">0</span>; +<span class="kw">pub const </span>RTA_DST: ::c_ushort = <span class="number">1</span>; +<span class="kw">pub const </span>RTA_SRC: ::c_ushort = <span class="number">2</span>; +<span class="kw">pub const </span>RTA_IIF: ::c_ushort = <span class="number">3</span>; +<span class="kw">pub const </span>RTA_OIF: ::c_ushort = <span class="number">4</span>; +<span class="kw">pub const </span>RTA_GATEWAY: ::c_ushort = <span class="number">5</span>; +<span class="kw">pub const </span>RTA_PRIORITY: ::c_ushort = <span class="number">6</span>; +<span class="kw">pub const </span>RTA_PREFSRC: ::c_ushort = <span class="number">7</span>; +<span class="kw">pub const </span>RTA_METRICS: ::c_ushort = <span class="number">8</span>; +<span class="kw">pub const </span>RTA_MULTIPATH: ::c_ushort = <span class="number">9</span>; +<span class="kw">pub const </span>RTA_PROTOINFO: ::c_ushort = <span class="number">10</span>; <span class="comment">// No longer used +</span><span class="kw">pub const </span>RTA_FLOW: ::c_ushort = <span class="number">11</span>; +<span class="kw">pub const </span>RTA_CACHEINFO: ::c_ushort = <span class="number">12</span>; +<span class="kw">pub const </span>RTA_SESSION: ::c_ushort = <span class="number">13</span>; <span class="comment">// No longer used +</span><span class="kw">pub const </span>RTA_MP_ALGO: ::c_ushort = <span class="number">14</span>; <span class="comment">// No longer used +</span><span class="kw">pub const </span>RTA_TABLE: ::c_ushort = <span class="number">15</span>; +<span class="kw">pub const </span>RTA_MARK: ::c_ushort = <span class="number">16</span>; +<span class="kw">pub const </span>RTA_MFC_STATS: ::c_ushort = <span class="number">17</span>; + +<span class="kw">pub const </span>RTN_UNSPEC: ::c_uchar = <span class="number">0</span>; +<span class="kw">pub const </span>RTN_UNICAST: ::c_uchar = <span class="number">1</span>; +<span class="kw">pub const </span>RTN_LOCAL: ::c_uchar = <span class="number">2</span>; +<span class="kw">pub const </span>RTN_BROADCAST: ::c_uchar = <span class="number">3</span>; +<span class="kw">pub const </span>RTN_ANYCAST: ::c_uchar = <span class="number">4</span>; +<span class="kw">pub const </span>RTN_MULTICAST: ::c_uchar = <span class="number">5</span>; +<span class="kw">pub const </span>RTN_BLACKHOLE: ::c_uchar = <span class="number">6</span>; +<span class="kw">pub const </span>RTN_UNREACHABLE: ::c_uchar = <span class="number">7</span>; +<span class="kw">pub const </span>RTN_PROHIBIT: ::c_uchar = <span class="number">8</span>; +<span class="kw">pub const </span>RTN_THROW: ::c_uchar = <span class="number">9</span>; +<span class="kw">pub const </span>RTN_NAT: ::c_uchar = <span class="number">10</span>; +<span class="kw">pub const </span>RTN_XRESOLVE: ::c_uchar = <span class="number">11</span>; + +<span class="kw">pub const </span>RTPROT_UNSPEC: ::c_uchar = <span class="number">0</span>; +<span class="kw">pub const </span>RTPROT_REDIRECT: ::c_uchar = <span class="number">1</span>; +<span class="kw">pub const </span>RTPROT_KERNEL: ::c_uchar = <span class="number">2</span>; +<span class="kw">pub const </span>RTPROT_BOOT: ::c_uchar = <span class="number">3</span>; +<span class="kw">pub const </span>RTPROT_STATIC: ::c_uchar = <span class="number">4</span>; + +<span class="kw">pub const </span>RT_SCOPE_UNIVERSE: ::c_uchar = <span class="number">0</span>; +<span class="kw">pub const </span>RT_SCOPE_SITE: ::c_uchar = <span class="number">200</span>; +<span class="kw">pub const </span>RT_SCOPE_LINK: ::c_uchar = <span class="number">253</span>; +<span class="kw">pub const </span>RT_SCOPE_HOST: ::c_uchar = <span class="number">254</span>; +<span class="kw">pub const </span>RT_SCOPE_NOWHERE: ::c_uchar = <span class="number">255</span>; + +<span class="kw">pub const </span>RT_TABLE_UNSPEC: ::c_uchar = <span class="number">0</span>; +<span class="kw">pub const </span>RT_TABLE_COMPAT: ::c_uchar = <span class="number">252</span>; +<span class="kw">pub const </span>RT_TABLE_DEFAULT: ::c_uchar = <span class="number">253</span>; +<span class="kw">pub const </span>RT_TABLE_MAIN: ::c_uchar = <span class="number">254</span>; +<span class="kw">pub const </span>RT_TABLE_LOCAL: ::c_uchar = <span class="number">255</span>; + +<span class="kw">pub const </span>RTMSG_OVERRUN: u32 = ::NLMSG_OVERRUN <span class="kw">as </span>u32; +<span class="kw">pub const </span>RTMSG_NEWDEVICE: u32 = <span class="number">0x11</span>; +<span class="kw">pub const </span>RTMSG_DELDEVICE: u32 = <span class="number">0x12</span>; +<span class="kw">pub const </span>RTMSG_NEWROUTE: u32 = <span class="number">0x21</span>; +<span class="kw">pub const </span>RTMSG_DELROUTE: u32 = <span class="number">0x22</span>; +<span class="kw">pub const </span>RTMSG_NEWRULE: u32 = <span class="number">0x31</span>; +<span class="kw">pub const </span>RTMSG_DELRULE: u32 = <span class="number">0x32</span>; +<span class="kw">pub const </span>RTMSG_CONTROL: u32 = <span class="number">0x40</span>; +<span class="kw">pub const </span>RTMSG_AR_FAILED: u32 = <span class="number">0x51</span>; + +<span class="kw">pub const </span>MAX_ADDR_LEN: usize = <span class="number">7</span>; +<span class="kw">pub const </span>ARPD_UPDATE: ::c_ushort = <span class="number">0x01</span>; +<span class="kw">pub const </span>ARPD_LOOKUP: ::c_ushort = <span class="number">0x02</span>; +<span class="kw">pub const </span>ARPD_FLUSH: ::c_ushort = <span class="number">0x03</span>; +<span class="kw">pub const </span>ATF_MAGIC: ::c_int = <span class="number">0x80</span>; + +<span class="comment">// userspace compat definitions for RTNLGRP_* +</span><span class="kw">pub const </span>RTMGRP_LINK: ::c_int = <span class="number">0x00001</span>; +<span class="kw">pub const </span>RTMGRP_NOTIFY: ::c_int = <span class="number">0x00002</span>; +<span class="kw">pub const </span>RTMGRP_NEIGH: ::c_int = <span class="number">0x00004</span>; +<span class="kw">pub const </span>RTMGRP_TC: ::c_int = <span class="number">0x00008</span>; +<span class="kw">pub const </span>RTMGRP_IPV4_IFADDR: ::c_int = <span class="number">0x00010</span>; +<span class="kw">pub const </span>RTMGRP_IPV4_MROUTE: ::c_int = <span class="number">0x00020</span>; +<span class="kw">pub const </span>RTMGRP_IPV4_ROUTE: ::c_int = <span class="number">0x00040</span>; +<span class="kw">pub const </span>RTMGRP_IPV4_RULE: ::c_int = <span class="number">0x00080</span>; +<span class="kw">pub const </span>RTMGRP_IPV6_IFADDR: ::c_int = <span class="number">0x00100</span>; +<span class="kw">pub const </span>RTMGRP_IPV6_MROUTE: ::c_int = <span class="number">0x00200</span>; +<span class="kw">pub const </span>RTMGRP_IPV6_ROUTE: ::c_int = <span class="number">0x00400</span>; +<span class="kw">pub const </span>RTMGRP_IPV6_IFINFO: ::c_int = <span class="number">0x00800</span>; +<span class="kw">pub const </span>RTMGRP_DECnet_IFADDR: ::c_int = <span class="number">0x01000</span>; +<span class="kw">pub const </span>RTMGRP_DECnet_ROUTE: ::c_int = <span class="number">0x04000</span>; +<span class="kw">pub const </span>RTMGRP_IPV6_PREFIX: ::c_int = <span class="number">0x20000</span>; + +<span class="comment">// enum rtnetlink_groups +</span><span class="kw">pub const </span>RTNLGRP_NONE: ::c_uint = <span class="number">0x00</span>; +<span class="kw">pub const </span>RTNLGRP_LINK: ::c_uint = <span class="number">0x01</span>; +<span class="kw">pub const </span>RTNLGRP_NOTIFY: ::c_uint = <span class="number">0x02</span>; +<span class="kw">pub const </span>RTNLGRP_NEIGH: ::c_uint = <span class="number">0x03</span>; +<span class="kw">pub const </span>RTNLGRP_TC: ::c_uint = <span class="number">0x04</span>; +<span class="kw">pub const </span>RTNLGRP_IPV4_IFADDR: ::c_uint = <span class="number">0x05</span>; +<span class="kw">pub const </span>RTNLGRP_IPV4_MROUTE: ::c_uint = <span class="number">0x06</span>; +<span class="kw">pub const </span>RTNLGRP_IPV4_ROUTE: ::c_uint = <span class="number">0x07</span>; +<span class="kw">pub const </span>RTNLGRP_IPV4_RULE: ::c_uint = <span class="number">0x08</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_IFADDR: ::c_uint = <span class="number">0x09</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_MROUTE: ::c_uint = <span class="number">0x0a</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_ROUTE: ::c_uint = <span class="number">0x0b</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_IFINFO: ::c_uint = <span class="number">0x0c</span>; +<span class="kw">pub const </span>RTNLGRP_DECnet_IFADDR: ::c_uint = <span class="number">0x0d</span>; +<span class="kw">pub const </span>RTNLGRP_NOP2: ::c_uint = <span class="number">0x0e</span>; +<span class="kw">pub const </span>RTNLGRP_DECnet_ROUTE: ::c_uint = <span class="number">0x0f</span>; +<span class="kw">pub const </span>RTNLGRP_DECnet_RULE: ::c_uint = <span class="number">0x10</span>; +<span class="kw">pub const </span>RTNLGRP_NOP4: ::c_uint = <span class="number">0x11</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_PREFIX: ::c_uint = <span class="number">0x12</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_RULE: ::c_uint = <span class="number">0x13</span>; +<span class="kw">pub const </span>RTNLGRP_ND_USEROPT: ::c_uint = <span class="number">0x14</span>; +<span class="kw">pub const </span>RTNLGRP_PHONET_IFADDR: ::c_uint = <span class="number">0x15</span>; +<span class="kw">pub const </span>RTNLGRP_PHONET_ROUTE: ::c_uint = <span class="number">0x16</span>; +<span class="kw">pub const </span>RTNLGRP_DCB: ::c_uint = <span class="number">0x17</span>; +<span class="kw">pub const </span>RTNLGRP_IPV4_NETCONF: ::c_uint = <span class="number">0x18</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_NETCONF: ::c_uint = <span class="number">0x19</span>; +<span class="kw">pub const </span>RTNLGRP_MDB: ::c_uint = <span class="number">0x1a</span>; +<span class="kw">pub const </span>RTNLGRP_MPLS_ROUTE: ::c_uint = <span class="number">0x1b</span>; +<span class="kw">pub const </span>RTNLGRP_NSID: ::c_uint = <span class="number">0x1c</span>; +<span class="kw">pub const </span>RTNLGRP_MPLS_NETCONF: ::c_uint = <span class="number">0x1d</span>; +<span class="kw">pub const </span>RTNLGRP_IPV4_MROUTE_R: ::c_uint = <span class="number">0x1e</span>; +<span class="kw">pub const </span>RTNLGRP_IPV6_MROUTE_R: ::c_uint = <span class="number">0x1f</span>; +<span class="kw">pub const </span>RTNLGRP_NEXTHOP: ::c_uint = <span class="number">0x20</span>; +<span class="kw">pub const </span>RTNLGRP_BRVLAN: ::c_uint = <span class="number">0x21</span>; +<span class="kw">pub const </span>RTNLGRP_MCTP_IFADDR: ::c_uint = <span class="number">0x22</span>; +<span class="kw">pub const </span>RTNLGRP_TUNNEL: ::c_uint = <span class="number">0x23</span>; +<span class="kw">pub const </span>RTNLGRP_STATS: ::c_uint = <span class="number">0x24</span>; + +<span class="comment">// linux/module.h +</span><span class="kw">pub const </span>MODULE_INIT_IGNORE_MODVERSIONS: ::c_uint = <span class="number">0x0001</span>; +<span class="kw">pub const </span>MODULE_INIT_IGNORE_VERMAGIC: ::c_uint = <span class="number">0x0002</span>; + +<span class="comment">// linux/net_tstamp.h +</span><span class="kw">pub const </span>SOF_TIMESTAMPING_TX_HARDWARE: ::c_uint = <span class="number">1 </span><< <span class="number">0</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_TX_SOFTWARE: ::c_uint = <span class="number">1 </span><< <span class="number">1</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_RX_HARDWARE: ::c_uint = <span class="number">1 </span><< <span class="number">2</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_RX_SOFTWARE: ::c_uint = <span class="number">1 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_SOFTWARE: ::c_uint = <span class="number">1 </span><< <span class="number">4</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_SYS_HARDWARE: ::c_uint = <span class="number">1 </span><< <span class="number">5</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_RAW_HARDWARE: ::c_uint = <span class="number">1 </span><< <span class="number">6</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_OPT_ID: ::c_uint = <span class="number">1 </span><< <span class="number">7</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_TX_SCHED: ::c_uint = <span class="number">1 </span><< <span class="number">8</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_TX_ACK: ::c_uint = <span class="number">1 </span><< <span class="number">9</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_OPT_CMSG: ::c_uint = <span class="number">1 </span><< <span class="number">10</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_OPT_TSONLY: ::c_uint = <span class="number">1 </span><< <span class="number">11</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_OPT_STATS: ::c_uint = <span class="number">1 </span><< <span class="number">12</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_OPT_PKTINFO: ::c_uint = <span class="number">1 </span><< <span class="number">13</span>; +<span class="kw">pub const </span>SOF_TIMESTAMPING_OPT_TX_SWHW: ::c_uint = <span class="number">1 </span><< <span class="number">14</span>; +<span class="kw">pub const </span>SOF_TXTIME_DEADLINE_MODE: u32 = <span class="number">1 </span><< <span class="number">0</span>; +<span class="kw">pub const </span>SOF_TXTIME_REPORT_ERRORS: u32 = <span class="number">1 </span><< <span class="number">1</span>; + +<span class="comment">// linux/if_alg.h +</span><span class="kw">pub const </span>ALG_SET_KEY: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>ALG_SET_IV: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>ALG_SET_OP: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>ALG_SET_AEAD_ASSOCLEN: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>ALG_SET_AEAD_AUTHSIZE: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>ALG_OP_DECRYPT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>ALG_OP_ENCRYPT: ::c_int = <span class="number">1</span>; + +<span class="comment">// include/uapi/linux/udp.h +</span><span class="kw">pub const </span>UDP_CORK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>UDP_ENCAP: ::c_int = <span class="number">100</span>; +<span class="kw">pub const </span>UDP_NO_CHECK6_TX: ::c_int = <span class="number">101</span>; +<span class="kw">pub const </span>UDP_NO_CHECK6_RX: ::c_int = <span class="number">102</span>; + +<span class="comment">// include/uapi/linux/mman.h +</span><span class="kw">pub const </span>MAP_SHARED_VALIDATE: ::c_int = <span class="number">0x3</span>; + +<span class="comment">// include/uapi/asm-generic/mman-common.h +</span><span class="kw">pub const </span>MAP_FIXED_NOREPLACE: ::c_int = <span class="number">0x100000</span>; +<span class="kw">pub const </span>MLOCK_ONFAULT: ::c_uint = <span class="number">0x01</span>; + +<span class="comment">// uapi/linux/vm_sockets.h +</span><span class="kw">pub const </span>VMADDR_CID_ANY: ::c_uint = <span class="number">0xFFFFFFFF</span>; +<span class="kw">pub const </span>VMADDR_CID_HYPERVISOR: ::c_uint = <span class="number">0</span>; +<span class="attribute">#[deprecated( + since = <span class="string">"0.2.74"</span>, + note = <span class="string">"VMADDR_CID_RESERVED is removed since Linux v5.6 and \ + replaced with VMADDR_CID_LOCAL" +</span>)] +</span><span class="kw">pub const </span>VMADDR_CID_RESERVED: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>VMADDR_CID_LOCAL: ::c_uint = <span class="number">1</span>; +<span class="kw">pub const </span>VMADDR_CID_HOST: ::c_uint = <span class="number">2</span>; +<span class="kw">pub const </span>VMADDR_PORT_ANY: ::c_uint = <span class="number">0xFFFFFFFF</span>; + +<span class="comment">// uapi/linux/inotify.h +</span><span class="kw">pub const </span>IN_ACCESS: u32 = <span class="number">0x0000_0001</span>; +<span class="kw">pub const </span>IN_MODIFY: u32 = <span class="number">0x0000_0002</span>; +<span class="kw">pub const </span>IN_ATTRIB: u32 = <span class="number">0x0000_0004</span>; +<span class="kw">pub const </span>IN_CLOSE_WRITE: u32 = <span class="number">0x0000_0008</span>; +<span class="kw">pub const </span>IN_CLOSE_NOWRITE: u32 = <span class="number">0x0000_0010</span>; +<span class="kw">pub const </span>IN_CLOSE: u32 = IN_CLOSE_WRITE | IN_CLOSE_NOWRITE; +<span class="kw">pub const </span>IN_OPEN: u32 = <span class="number">0x0000_0020</span>; +<span class="kw">pub const </span>IN_MOVED_FROM: u32 = <span class="number">0x0000_0040</span>; +<span class="kw">pub const </span>IN_MOVED_TO: u32 = <span class="number">0x0000_0080</span>; +<span class="kw">pub const </span>IN_MOVE: u32 = IN_MOVED_FROM | IN_MOVED_TO; +<span class="kw">pub const </span>IN_CREATE: u32 = <span class="number">0x0000_0100</span>; +<span class="kw">pub const </span>IN_DELETE: u32 = <span class="number">0x0000_0200</span>; +<span class="kw">pub const </span>IN_DELETE_SELF: u32 = <span class="number">0x0000_0400</span>; +<span class="kw">pub const </span>IN_MOVE_SELF: u32 = <span class="number">0x0000_0800</span>; +<span class="kw">pub const </span>IN_UNMOUNT: u32 = <span class="number">0x0000_2000</span>; +<span class="kw">pub const </span>IN_Q_OVERFLOW: u32 = <span class="number">0x0000_4000</span>; +<span class="kw">pub const </span>IN_IGNORED: u32 = <span class="number">0x0000_8000</span>; +<span class="kw">pub const </span>IN_ONLYDIR: u32 = <span class="number">0x0100_0000</span>; +<span class="kw">pub const </span>IN_DONT_FOLLOW: u32 = <span class="number">0x0200_0000</span>; +<span class="comment">// pub const IN_EXCL_UNLINK: u32 = 0x0400_0000; + +// linux/keyctl.h +</span><span class="kw">pub const </span>KEY_SPEC_THREAD_KEYRING: i32 = -<span class="number">1</span>; +<span class="kw">pub const </span>KEY_SPEC_PROCESS_KEYRING: i32 = -<span class="number">2</span>; +<span class="kw">pub const </span>KEY_SPEC_SESSION_KEYRING: i32 = -<span class="number">3</span>; +<span class="kw">pub const </span>KEY_SPEC_USER_KEYRING: i32 = -<span class="number">4</span>; +<span class="kw">pub const </span>KEY_SPEC_USER_SESSION_KEYRING: i32 = -<span class="number">5</span>; +<span class="kw">pub const </span>KEY_SPEC_GROUP_KEYRING: i32 = -<span class="number">6</span>; +<span class="kw">pub const </span>KEY_SPEC_REQKEY_AUTH_KEY: i32 = -<span class="number">7</span>; +<span class="kw">pub const </span>KEY_SPEC_REQUESTOR_KEYRING: i32 = -<span class="number">8</span>; + +<span class="kw">pub const </span>KEY_REQKEY_DEFL_NO_CHANGE: i32 = -<span class="number">1</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_DEFAULT: i32 = <span class="number">0</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_THREAD_KEYRING: i32 = <span class="number">1</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_PROCESS_KEYRING: i32 = <span class="number">2</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_SESSION_KEYRING: i32 = <span class="number">3</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_USER_KEYRING: i32 = <span class="number">4</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_USER_SESSION_KEYRING: i32 = <span class="number">5</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_GROUP_KEYRING: i32 = <span class="number">6</span>; +<span class="kw">pub const </span>KEY_REQKEY_DEFL_REQUESTOR_KEYRING: i32 = <span class="number">7</span>; + +<span class="kw">pub const </span>KEYCTL_GET_KEYRING_ID: u32 = <span class="number">0</span>; +<span class="kw">pub const </span>KEYCTL_JOIN_SESSION_KEYRING: u32 = <span class="number">1</span>; +<span class="kw">pub const </span>KEYCTL_UPDATE: u32 = <span class="number">2</span>; +<span class="kw">pub const </span>KEYCTL_REVOKE: u32 = <span class="number">3</span>; +<span class="kw">pub const </span>KEYCTL_CHOWN: u32 = <span class="number">4</span>; +<span class="kw">pub const </span>KEYCTL_SETPERM: u32 = <span class="number">5</span>; +<span class="kw">pub const </span>KEYCTL_DESCRIBE: u32 = <span class="number">6</span>; +<span class="kw">pub const </span>KEYCTL_CLEAR: u32 = <span class="number">7</span>; +<span class="kw">pub const </span>KEYCTL_LINK: u32 = <span class="number">8</span>; +<span class="kw">pub const </span>KEYCTL_UNLINK: u32 = <span class="number">9</span>; +<span class="kw">pub const </span>KEYCTL_SEARCH: u32 = <span class="number">10</span>; +<span class="kw">pub const </span>KEYCTL_READ: u32 = <span class="number">11</span>; +<span class="kw">pub const </span>KEYCTL_INSTANTIATE: u32 = <span class="number">12</span>; +<span class="kw">pub const </span>KEYCTL_NEGATE: u32 = <span class="number">13</span>; +<span class="kw">pub const </span>KEYCTL_SET_REQKEY_KEYRING: u32 = <span class="number">14</span>; +<span class="kw">pub const </span>KEYCTL_SET_TIMEOUT: u32 = <span class="number">15</span>; +<span class="kw">pub const </span>KEYCTL_ASSUME_AUTHORITY: u32 = <span class="number">16</span>; +<span class="kw">pub const </span>KEYCTL_GET_SECURITY: u32 = <span class="number">17</span>; +<span class="kw">pub const </span>KEYCTL_SESSION_TO_PARENT: u32 = <span class="number">18</span>; +<span class="kw">pub const </span>KEYCTL_REJECT: u32 = <span class="number">19</span>; +<span class="kw">pub const </span>KEYCTL_INSTANTIATE_IOV: u32 = <span class="number">20</span>; +<span class="kw">pub const </span>KEYCTL_INVALIDATE: u32 = <span class="number">21</span>; +<span class="kw">pub const </span>KEYCTL_GET_PERSISTENT: u32 = <span class="number">22</span>; + +<span class="comment">// pub const IN_MASK_CREATE: u32 = 0x1000_0000; +// pub const IN_MASK_ADD: u32 = 0x2000_0000; +</span><span class="kw">pub const </span>IN_ISDIR: u32 = <span class="number">0x4000_0000</span>; +<span class="kw">pub const </span>IN_ONESHOT: u32 = <span class="number">0x8000_0000</span>; + +<span class="kw">pub const </span>IN_ALL_EVENTS: u32 = IN_ACCESS + | IN_MODIFY + | IN_ATTRIB + | IN_CLOSE_WRITE + | IN_CLOSE_NOWRITE + | IN_OPEN + | IN_MOVED_FROM + | IN_MOVED_TO + | IN_DELETE + | IN_CREATE + | IN_DELETE_SELF + | IN_MOVE_SELF; + +<span class="kw">pub const </span>IN_CLOEXEC: ::c_int = O_CLOEXEC; +<span class="kw">pub const </span>IN_NONBLOCK: ::c_int = O_NONBLOCK; + +<span class="comment">// uapi/linux/netfilter/nf_tables.h +</span><span class="kw">pub const </span>NFT_TABLE_MAXNAMELEN: ::c_int = <span class="number">256</span>; +<span class="kw">pub const </span>NFT_CHAIN_MAXNAMELEN: ::c_int = <span class="number">256</span>; +<span class="kw">pub const </span>NFT_SET_MAXNAMELEN: ::c_int = <span class="number">256</span>; +<span class="kw">pub const </span>NFT_OBJ_MAXNAMELEN: ::c_int = <span class="number">256</span>; +<span class="kw">pub const </span>NFT_USERDATA_MAXLEN: ::c_int = <span class="number">256</span>; + +<span class="kw">pub const </span>NFT_REG_VERDICT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_REG_1: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_REG_2: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_REG_3: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFT_REG_4: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>__NFT_REG_MAX: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFT_REG32_00: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFT_REG32_01: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFT_REG32_02: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFT_REG32_03: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFT_REG32_04: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFT_REG32_05: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFT_REG32_06: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NFT_REG32_07: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NFT_REG32_08: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NFT_REG32_09: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>NFT_REG32_10: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>NFT_REG32_11: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>NFT_REG32_12: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>NFT_REG32_13: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>NFT_REG32_14: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>NFT_REG32_15: ::c_int = <span class="number">23</span>; + +<span class="kw">pub const </span>NFT_REG_SIZE: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NFT_REG32_SIZE: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>NFT_CONTINUE: ::c_int = -<span class="number">1</span>; +<span class="kw">pub const </span>NFT_BREAK: ::c_int = -<span class="number">2</span>; +<span class="kw">pub const </span>NFT_JUMP: ::c_int = -<span class="number">3</span>; +<span class="kw">pub const </span>NFT_GOTO: ::c_int = -<span class="number">4</span>; +<span class="kw">pub const </span>NFT_RETURN: ::c_int = -<span class="number">5</span>; + +<span class="kw">pub const </span>NFT_MSG_NEWTABLE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_MSG_GETTABLE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_MSG_DELTABLE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_MSG_NEWCHAIN: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFT_MSG_GETCHAIN: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFT_MSG_DELCHAIN: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFT_MSG_NEWRULE: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFT_MSG_GETRULE: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFT_MSG_DELRULE: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFT_MSG_NEWSET: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFT_MSG_GETSET: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFT_MSG_DELSET: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFT_MSG_NEWSETELEM: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFT_MSG_GETSETELEM: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFT_MSG_DELSETELEM: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NFT_MSG_NEWGEN: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NFT_MSG_GETGEN: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NFT_MSG_TRACE: ::c_int = <span class="number">17</span>; +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_arch = <span class="string">"sparc64"</span>))] </span>{ + <span class="kw">pub const </span>NFT_MSG_NEWOBJ: ::c_int = <span class="number">18</span>; + <span class="kw">pub const </span>NFT_MSG_GETOBJ: ::c_int = <span class="number">19</span>; + <span class="kw">pub const </span>NFT_MSG_DELOBJ: ::c_int = <span class="number">20</span>; + <span class="kw">pub const </span>NFT_MSG_GETOBJ_RESET: ::c_int = <span class="number">21</span>; + } +} +<span class="kw">pub const </span>NFT_MSG_MAX: ::c_int = <span class="number">25</span>; + +<span class="kw">pub const </span>NFT_SET_ANONYMOUS: ::c_int = <span class="number">0x1</span>; +<span class="kw">pub const </span>NFT_SET_CONSTANT: ::c_int = <span class="number">0x2</span>; +<span class="kw">pub const </span>NFT_SET_INTERVAL: ::c_int = <span class="number">0x4</span>; +<span class="kw">pub const </span>NFT_SET_MAP: ::c_int = <span class="number">0x8</span>; +<span class="kw">pub const </span>NFT_SET_TIMEOUT: ::c_int = <span class="number">0x10</span>; +<span class="kw">pub const </span>NFT_SET_EVAL: ::c_int = <span class="number">0x20</span>; + +<span class="kw">pub const </span>NFT_SET_POL_PERFORMANCE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_SET_POL_MEMORY: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_SET_ELEM_INTERVAL_END: ::c_int = <span class="number">0x1</span>; + +<span class="kw">pub const </span>NFT_DATA_VALUE: ::c_uint = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_DATA_VERDICT: ::c_uint = <span class="number">0xffffff00</span>; + +<span class="kw">pub const </span>NFT_DATA_RESERVED_MASK: ::c_uint = <span class="number">0xffffff00</span>; + +<span class="kw">pub const </span>NFT_DATA_VALUE_MAXLEN: ::c_int = <span class="number">64</span>; + +<span class="kw">pub const </span>NFT_BYTEORDER_NTOH: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_BYTEORDER_HTON: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_CMP_EQ: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_CMP_NEQ: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_CMP_LT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_CMP_LTE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFT_CMP_GT: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFT_CMP_GTE: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>NFT_RANGE_EQ: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_RANGE_NEQ: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_LOOKUP_F_INV: ::c_int = <span class="number">1 </span><< <span class="number">0</span>; + +<span class="kw">pub const </span>NFT_DYNSET_OP_ADD: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_DYNSET_OP_UPDATE: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_DYNSET_F_INV: ::c_int = <span class="number">1 </span><< <span class="number">0</span>; + +<span class="kw">pub const </span>NFT_PAYLOAD_LL_HEADER: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_PAYLOAD_NETWORK_HEADER: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_PAYLOAD_TRANSPORT_HEADER: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>NFT_PAYLOAD_CSUM_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_PAYLOAD_CSUM_INET: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_META_LEN: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_META_PROTOCOL: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_META_PRIORITY: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_META_MARK: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFT_META_IIF: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFT_META_OIF: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFT_META_IIFNAME: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFT_META_OIFNAME: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFT_META_IIFTYPE: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFT_META_OIFTYPE: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFT_META_SKUID: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFT_META_SKGID: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFT_META_NFTRACE: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFT_META_RTCLASSID: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFT_META_SECMARK: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NFT_META_NFPROTO: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>NFT_META_L4PROTO: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>NFT_META_BRI_IIFNAME: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>NFT_META_BRI_OIFNAME: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>NFT_META_PKTTYPE: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>NFT_META_CPU: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>NFT_META_IIFGROUP: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>NFT_META_OIFGROUP: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>NFT_META_CGROUP: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>NFT_META_PRANDOM: ::c_int = <span class="number">24</span>; + +<span class="kw">pub const </span>NFT_CT_STATE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_CT_DIRECTION: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_CT_STATUS: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_CT_MARK: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>NFT_CT_SECMARK: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>NFT_CT_EXPIRATION: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>NFT_CT_HELPER: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>NFT_CT_L3PROTOCOL: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>NFT_CT_SRC: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>NFT_CT_DST: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>NFT_CT_PROTOCOL: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>NFT_CT_PROTO_SRC: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>NFT_CT_PROTO_DST: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>NFT_CT_LABELS: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>NFT_CT_PKTS: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>NFT_CT_BYTES: ::c_int = <span class="number">15</span>; + +<span class="kw">pub const </span>NFT_LIMIT_PKTS: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_LIMIT_PKT_BYTES: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_LIMIT_F_INV: ::c_int = <span class="number">1 </span><< <span class="number">0</span>; + +<span class="kw">pub const </span>NFT_QUEUE_FLAG_BYPASS: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>NFT_QUEUE_FLAG_CPU_FANOUT: ::c_int = <span class="number">0x02</span>; +<span class="kw">pub const </span>NFT_QUEUE_FLAG_MASK: ::c_int = <span class="number">0x03</span>; + +<span class="kw">pub const </span>NFT_QUOTA_F_INV: ::c_int = <span class="number">1 </span><< <span class="number">0</span>; + +<span class="kw">pub const </span>NFT_REJECT_ICMP_UNREACH: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_REJECT_TCP_RST: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_REJECT_ICMPX_UNREACH: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>NFT_REJECT_ICMPX_NO_ROUTE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_REJECT_ICMPX_PORT_UNREACH: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_REJECT_ICMPX_HOST_UNREACH: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_REJECT_ICMPX_ADMIN_PROHIBITED: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>NFT_NAT_SNAT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_NAT_DNAT: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>NFT_TRACETYPE_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_TRACETYPE_POLICY: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>NFT_TRACETYPE_RETURN: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NFT_TRACETYPE_RULE: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>NFT_NG_INCREMENTAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>NFT_NG_RANDOM: ::c_int = <span class="number">1</span>; + +<span class="comment">// linux/input.h +</span><span class="kw">pub const </span>FF_MAX: ::__u16 = <span class="number">0x7f</span>; +<span class="kw">pub const </span>FF_CNT: usize = FF_MAX <span class="kw">as </span>usize + <span class="number">1</span>; + +<span class="comment">// linux/input-event-codes.h +</span><span class="kw">pub const </span>INPUT_PROP_MAX: ::__u16 = <span class="number">0x1f</span>; +<span class="kw">pub const </span>INPUT_PROP_CNT: usize = INPUT_PROP_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>EV_MAX: ::__u16 = <span class="number">0x1f</span>; +<span class="kw">pub const </span>EV_CNT: usize = EV_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>SYN_MAX: ::__u16 = <span class="number">0xf</span>; +<span class="kw">pub const </span>SYN_CNT: usize = SYN_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>KEY_MAX: ::__u16 = <span class="number">0x2ff</span>; +<span class="kw">pub const </span>KEY_CNT: usize = KEY_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>REL_MAX: ::__u16 = <span class="number">0x0f</span>; +<span class="kw">pub const </span>REL_CNT: usize = REL_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>ABS_MAX: ::__u16 = <span class="number">0x3f</span>; +<span class="kw">pub const </span>ABS_CNT: usize = ABS_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>SW_MAX: ::__u16 = <span class="number">0x10</span>; +<span class="kw">pub const </span>SW_CNT: usize = SW_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>MSC_MAX: ::__u16 = <span class="number">0x07</span>; +<span class="kw">pub const </span>MSC_CNT: usize = MSC_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>LED_MAX: ::__u16 = <span class="number">0x0f</span>; +<span class="kw">pub const </span>LED_CNT: usize = LED_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>REP_MAX: ::__u16 = <span class="number">0x01</span>; +<span class="kw">pub const </span>REP_CNT: usize = REP_MAX <span class="kw">as </span>usize + <span class="number">1</span>; +<span class="kw">pub const </span>SND_MAX: ::__u16 = <span class="number">0x07</span>; +<span class="kw">pub const </span>SND_CNT: usize = SND_MAX <span class="kw">as </span>usize + <span class="number">1</span>; + +<span class="comment">// linux/uinput.h +</span><span class="kw">pub const </span>UINPUT_VERSION: ::c_uint = <span class="number">5</span>; +<span class="kw">pub const </span>UINPUT_MAX_NAME_SIZE: usize = <span class="number">80</span>; + +<span class="comment">// uapi/linux/fanotify.h +</span><span class="kw">pub const </span>FAN_ACCESS: u64 = <span class="number">0x0000_0001</span>; +<span class="kw">pub const </span>FAN_MODIFY: u64 = <span class="number">0x0000_0002</span>; +<span class="kw">pub const </span>FAN_CLOSE_WRITE: u64 = <span class="number">0x0000_0008</span>; +<span class="kw">pub const </span>FAN_CLOSE_NOWRITE: u64 = <span class="number">0x0000_0010</span>; +<span class="kw">pub const </span>FAN_OPEN: u64 = <span class="number">0x0000_0020</span>; + +<span class="kw">pub const </span>FAN_Q_OVERFLOW: u64 = <span class="number">0x0000_4000</span>; + +<span class="kw">pub const </span>FAN_OPEN_PERM: u64 = <span class="number">0x0001_0000</span>; +<span class="kw">pub const </span>FAN_ACCESS_PERM: u64 = <span class="number">0x0002_0000</span>; + +<span class="kw">pub const </span>FAN_ONDIR: u64 = <span class="number">0x4000_0000</span>; + +<span class="kw">pub const </span>FAN_EVENT_ON_CHILD: u64 = <span class="number">0x0800_0000</span>; + +<span class="kw">pub const </span>FAN_CLOSE: u64 = FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE; + +<span class="kw">pub const </span>FAN_CLOEXEC: ::c_uint = <span class="number">0x0000_0001</span>; +<span class="kw">pub const </span>FAN_NONBLOCK: ::c_uint = <span class="number">0x0000_0002</span>; + +<span class="kw">pub const </span>FAN_CLASS_NOTIF: ::c_uint = <span class="number">0x0000_0000</span>; +<span class="kw">pub const </span>FAN_CLASS_CONTENT: ::c_uint = <span class="number">0x0000_0004</span>; +<span class="kw">pub const </span>FAN_CLASS_PRE_CONTENT: ::c_uint = <span class="number">0x0000_0008</span>; + +<span class="kw">pub const </span>FAN_UNLIMITED_QUEUE: ::c_uint = <span class="number">0x0000_0010</span>; +<span class="kw">pub const </span>FAN_UNLIMITED_MARKS: ::c_uint = <span class="number">0x0000_0020</span>; + +<span class="kw">pub const </span>FAN_MARK_ADD: ::c_uint = <span class="number">0x0000_0001</span>; +<span class="kw">pub const </span>FAN_MARK_REMOVE: ::c_uint = <span class="number">0x0000_0002</span>; +<span class="kw">pub const </span>FAN_MARK_DONT_FOLLOW: ::c_uint = <span class="number">0x0000_0004</span>; +<span class="kw">pub const </span>FAN_MARK_ONLYDIR: ::c_uint = <span class="number">0x0000_0008</span>; +<span class="kw">pub const </span>FAN_MARK_IGNORED_MASK: ::c_uint = <span class="number">0x0000_0020</span>; +<span class="kw">pub const </span>FAN_MARK_IGNORED_SURV_MODIFY: ::c_uint = <span class="number">0x0000_0040</span>; +<span class="kw">pub const </span>FAN_MARK_FLUSH: ::c_uint = <span class="number">0x0000_0080</span>; + +<span class="kw">pub const </span>FANOTIFY_METADATA_VERSION: u8 = <span class="number">3</span>; + +<span class="kw">pub const </span>FAN_ALLOW: u32 = <span class="number">0x01</span>; +<span class="kw">pub const </span>FAN_DENY: u32 = <span class="number">0x02</span>; + +<span class="kw">pub const </span>FAN_NOFD: ::c_int = -<span class="number">1</span>; + +<span class="kw">pub const </span>FUTEX_WAIT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>FUTEX_WAKE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>FUTEX_FD: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>FUTEX_REQUEUE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>FUTEX_CMP_REQUEUE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>FUTEX_WAKE_OP: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>FUTEX_LOCK_PI: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>FUTEX_UNLOCK_PI: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>FUTEX_TRYLOCK_PI: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>FUTEX_WAIT_BITSET: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>FUTEX_WAKE_BITSET: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>FUTEX_WAIT_REQUEUE_PI: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>FUTEX_CMP_REQUEUE_PI: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>FUTEX_LOCK_PI2: ::c_int = <span class="number">13</span>; + +<span class="kw">pub const </span>FUTEX_PRIVATE_FLAG: ::c_int = <span class="number">128</span>; +<span class="kw">pub const </span>FUTEX_CLOCK_REALTIME: ::c_int = <span class="number">256</span>; +<span class="kw">pub const </span>FUTEX_CMD_MASK: ::c_int = !(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME); + +<span class="comment">// linux/reboot.h +</span><span class="kw">pub const </span>LINUX_REBOOT_MAGIC1: ::c_int = <span class="number">0xfee1dead</span>; +<span class="kw">pub const </span>LINUX_REBOOT_MAGIC2: ::c_int = <span class="number">672274793</span>; +<span class="kw">pub const </span>LINUX_REBOOT_MAGIC2A: ::c_int = <span class="number">85072278</span>; +<span class="kw">pub const </span>LINUX_REBOOT_MAGIC2B: ::c_int = <span class="number">369367448</span>; +<span class="kw">pub const </span>LINUX_REBOOT_MAGIC2C: ::c_int = <span class="number">537993216</span>; + +<span class="kw">pub const </span>LINUX_REBOOT_CMD_RESTART: ::c_int = <span class="number">0x01234567</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_HALT: ::c_int = <span class="number">0xCDEF0123</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_CAD_ON: ::c_int = <span class="number">0x89ABCDEF</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_CAD_OFF: ::c_int = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_POWER_OFF: ::c_int = <span class="number">0x4321FEDC</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_RESTART2: ::c_int = <span class="number">0xA1B2C3D4</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_SW_SUSPEND: ::c_int = <span class="number">0xD000FCE2</span>; +<span class="kw">pub const </span>LINUX_REBOOT_CMD_KEXEC: ::c_int = <span class="number">0x45584543</span>; + +<span class="kw">pub const </span>REG_EXTENDED: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>REG_ICASE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>REG_NEWLINE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>REG_NOSUB: ::c_int = <span class="number">8</span>; + +<span class="kw">pub const </span>REG_NOTBOL: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>REG_NOTEOL: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>REG_ENOSYS: ::c_int = -<span class="number">1</span>; +<span class="kw">pub const </span>REG_NOMATCH: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>REG_BADPAT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>REG_ECOLLATE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>REG_ECTYPE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>REG_EESCAPE: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>REG_ESUBREG: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>REG_EBRACK: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>REG_EPAREN: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>REG_EBRACE: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>REG_BADBR: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>REG_ERANGE: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>REG_ESPACE: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>REG_BADRPT: ::c_int = <span class="number">13</span>; + +<span class="comment">// linux/errqueue.h +</span><span class="kw">pub const </span>SO_EE_ORIGIN_NONE: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>SO_EE_ORIGIN_LOCAL: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>SO_EE_ORIGIN_ICMP: u8 = <span class="number">2</span>; +<span class="kw">pub const </span>SO_EE_ORIGIN_ICMP6: u8 = <span class="number">3</span>; +<span class="kw">pub const </span>SO_EE_ORIGIN_TXSTATUS: u8 = <span class="number">4</span>; +<span class="kw">pub const </span>SO_EE_ORIGIN_TIMESTAMPING: u8 = SO_EE_ORIGIN_TXSTATUS; + +<span class="comment">// errno.h +</span><span class="kw">pub const </span>EPERM: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>ENOENT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>ESRCH: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>EINTR: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>EIO: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>ENXIO: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>E2BIG: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>ENOEXEC: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>EBADF: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>ECHILD: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>EAGAIN: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>ENOMEM: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>EACCES: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>EFAULT: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>ENOTBLK: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>EBUSY: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>EEXIST: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>EXDEV: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>ENODEV: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>ENOTDIR: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>EISDIR: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>EINVAL: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>ENFILE: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>EMFILE: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>ENOTTY: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>ETXTBSY: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>EFBIG: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>ENOSPC: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>ESPIPE: ::c_int = <span class="number">29</span>; +<span class="kw">pub const </span>EROFS: ::c_int = <span class="number">30</span>; +<span class="kw">pub const </span>EMLINK: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>EPIPE: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>EDOM: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>ERANGE: ::c_int = <span class="number">34</span>; +<span class="kw">pub const </span>EWOULDBLOCK: ::c_int = EAGAIN; + +<span class="comment">// linux/can.h +</span><span class="kw">pub const </span>CAN_EFF_FLAG: canid_t = <span class="number">0x80000000</span>; +<span class="kw">pub const </span>CAN_RTR_FLAG: canid_t = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>CAN_ERR_FLAG: canid_t = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>CAN_SFF_MASK: canid_t = <span class="number">0x000007FF</span>; +<span class="kw">pub const </span>CAN_EFF_MASK: canid_t = <span class="number">0x1FFFFFFF</span>; +<span class="kw">pub const </span>CAN_ERR_MASK: canid_t = <span class="number">0x1FFFFFFF</span>; + +<span class="kw">pub const </span>CAN_SFF_ID_BITS: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>CAN_EFF_ID_BITS: ::c_int = <span class="number">29</span>; + +<span class="kw">pub const </span>CAN_MAX_DLC: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>CAN_MAX_DLEN: usize = <span class="number">8</span>; +<span class="kw">pub const </span>CANFD_MAX_DLC: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>CANFD_MAX_DLEN: usize = <span class="number">64</span>; + +<span class="kw">pub const </span>CANFD_BRS: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>CANFD_ESI: ::c_int = <span class="number">0x02</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_align)] </span>{ + <span class="kw">pub const </span>CAN_MTU: usize = ::mem::size_of::<can_frame>(); + <span class="kw">pub const </span>CANFD_MTU: usize = ::mem::size_of::<canfd_frame>(); + } +} + +<span class="kw">pub const </span>CAN_RAW: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CAN_BCM: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>CAN_TP16: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>CAN_TP20: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>CAN_MCNET: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>CAN_ISOTP: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>CAN_J1939: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>CAN_NPROTO: ::c_int = <span class="number">8</span>; + +<span class="kw">pub const </span>SOL_CAN_BASE: ::c_int = <span class="number">100</span>; + +<span class="kw">pub const </span>CAN_INV_FILTER: canid_t = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>CAN_RAW_FILTER_MAX: ::c_int = <span class="number">512</span>; + +<span class="comment">// linux/can/raw.h +</span><span class="kw">pub const </span>SOL_CAN_RAW: ::c_int = SOL_CAN_BASE + CAN_RAW; +<span class="kw">pub const </span>CAN_RAW_FILTER: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CAN_RAW_ERR_FILTER: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>CAN_RAW_LOOPBACK: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>CAN_RAW_RECV_OWN_MSGS: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>CAN_RAW_FD_FRAMES: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>CAN_RAW_JOIN_FILTERS: ::c_int = <span class="number">6</span>; + +<span class="comment">// linux/can/j1939.h +</span><span class="kw">pub const </span>SOL_CAN_J1939: ::c_int = SOL_CAN_BASE + CAN_J1939; + +<span class="kw">pub const </span>J1939_MAX_UNICAST_ADDR: ::c_uchar = <span class="number">0xfd</span>; +<span class="kw">pub const </span>J1939_IDLE_ADDR: ::c_uchar = <span class="number">0xfe</span>; +<span class="kw">pub const </span>J1939_NO_ADDR: ::c_uchar = <span class="number">0xff</span>; +<span class="kw">pub const </span>J1939_NO_NAME: ::c_ulong = <span class="number">0</span>; +<span class="kw">pub const </span>J1939_PGN_REQUEST: ::c_uint = <span class="number">0x0ea00</span>; +<span class="kw">pub const </span>J1939_PGN_ADDRESS_CLAIMED: ::c_uint = <span class="number">0x0ee00</span>; +<span class="kw">pub const </span>J1939_PGN_ADDRESS_COMMANDED: ::c_uint = <span class="number">0x0fed8</span>; +<span class="kw">pub const </span>J1939_PGN_PDU1_MAX: ::c_uint = <span class="number">0x3ff00</span>; +<span class="kw">pub const </span>J1939_PGN_MAX: ::c_uint = <span class="number">0x3ffff</span>; +<span class="kw">pub const </span>J1939_NO_PGN: ::c_uint = <span class="number">0x40000</span>; + +<span class="kw">pub const </span>SO_J1939_FILTER: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SO_J1939_PROMISC: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SO_J1939_SEND_PRIO: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SO_J1939_ERRQUEUE: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>SCM_J1939_DEST_ADDR: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SCM_J1939_DEST_NAME: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SCM_J1939_PRIO: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SCM_J1939_ERRQUEUE: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>J1939_NLA_PAD: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>J1939_NLA_BYTES_ACKED: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>J1939_NLA_TOTAL_SIZE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>J1939_NLA_PGN: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>J1939_NLA_SRC_NAME: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>J1939_NLA_DEST_NAME: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>J1939_NLA_SRC_ADDR: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>J1939_NLA_DEST_ADDR: ::c_int = <span class="number">7</span>; + +<span class="kw">pub const </span>J1939_EE_INFO_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>J1939_EE_INFO_TX_ABORT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>J1939_EE_INFO_RX_RTS: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>J1939_EE_INFO_RX_DPO: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>J1939_EE_INFO_RX_ABORT: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>J1939_FILTER_MAX: ::c_int = <span class="number">512</span>; + +<span class="macro">f! </span>{ + <span class="kw">pub fn </span>NLA_ALIGN(len: ::c_int) -> ::c_int { + <span class="kw">return </span>((len) + NLA_ALIGNTO - <span class="number">1</span>) & !(NLA_ALIGNTO - <span class="number">1</span>) + } + + <span class="kw">pub fn </span>CMSG_NXTHDR(mhdr: <span class="kw-2">*const </span>msghdr, + cmsg: <span class="kw-2">*const </span>cmsghdr) -> <span class="kw-2">*mut </span>cmsghdr { + <span class="kw">if </span>((<span class="kw-2">*</span>cmsg).cmsg_len <span class="kw">as </span>usize) < ::mem::size_of::<cmsghdr>() { + <span class="kw">return </span><span class="number">0 </span><span class="kw">as </span><span class="kw-2">*mut </span>cmsghdr; + }; + <span class="kw">let </span>next = (cmsg <span class="kw">as </span>usize + + <span class="kw">super</span>::CMSG_ALIGN((<span class="kw-2">*</span>cmsg).cmsg_len <span class="kw">as </span>usize)) + <span class="kw">as </span><span class="kw-2">*mut </span>cmsghdr; + <span class="kw">let </span>max = (<span class="kw-2">*</span>mhdr).msg_control <span class="kw">as </span>usize + + (<span class="kw-2">*</span>mhdr).msg_controllen <span class="kw">as </span>usize; + <span class="kw">if </span>(next.offset(<span class="number">1</span>)) <span class="kw">as </span>usize > max || + next <span class="kw">as </span>usize + <span class="kw">super</span>::CMSG_ALIGN((<span class="kw-2">*</span>next).cmsg_len <span class="kw">as </span>usize) > max + { + <span class="number">0 </span><span class="kw">as </span><span class="kw-2">*mut </span>cmsghdr + } <span class="kw">else </span>{ + next <span class="kw">as </span><span class="kw-2">*mut </span>cmsghdr + } + } + + <span class="kw">pub fn </span>CPU_ALLOC_SIZE(count: ::c_int) -> ::size_t { + <span class="kw">let </span>_dummy: cpu_set_t = ::mem::zeroed(); + <span class="kw">let </span>size_in_bits = <span class="number">8 </span>* ::mem::size_of_val(<span class="kw-2">&</span>_dummy.bits[<span class="number">0</span>]); + ((count <span class="kw">as </span>::size_t + size_in_bits - <span class="number">1</span>) / <span class="number">8</span>) <span class="kw">as </span>::size_t + } + + <span class="kw">pub fn </span>CPU_ZERO(cpuset: <span class="kw-2">&mut </span>cpu_set_t) -> () { + <span class="kw">for </span>slot <span class="kw">in </span>cpuset.bits.iter_mut() { + <span class="kw-2">*</span>slot = <span class="number">0</span>; + } + } + + <span class="kw">pub fn </span>CPU_SET(cpu: usize, cpuset: <span class="kw-2">&mut </span>cpu_set_t) -> () { + <span class="kw">let </span>size_in_bits + = <span class="number">8 </span>* ::mem::size_of_val(<span class="kw-2">&</span>cpuset.bits[<span class="number">0</span>]); <span class="comment">// 32, 64 etc + </span><span class="kw">let </span>(idx, offset) = (cpu / size_in_bits, cpu % size_in_bits); + cpuset.bits[idx] |= <span class="number">1 </span><< offset; + () + } + + <span class="kw">pub fn </span>CPU_CLR(cpu: usize, cpuset: <span class="kw-2">&mut </span>cpu_set_t) -> () { + <span class="kw">let </span>size_in_bits + = <span class="number">8 </span>* ::mem::size_of_val(<span class="kw-2">&</span>cpuset.bits[<span class="number">0</span>]); <span class="comment">// 32, 64 etc + </span><span class="kw">let </span>(idx, offset) = (cpu / size_in_bits, cpu % size_in_bits); + cpuset.bits[idx] &= !(<span class="number">1 </span><< offset); + () + } + + <span class="kw">pub fn </span>CPU_ISSET(cpu: usize, cpuset: <span class="kw-2">&</span>cpu_set_t) -> bool { + <span class="kw">let </span>size_in_bits = <span class="number">8 </span>* ::mem::size_of_val(<span class="kw-2">&</span>cpuset.bits[<span class="number">0</span>]); + <span class="kw">let </span>(idx, offset) = (cpu / size_in_bits, cpu % size_in_bits); + <span class="number">0 </span>!= (cpuset.bits[idx] & (<span class="number">1 </span><< offset)) + } + + <span class="kw">pub fn </span>CPU_COUNT_S(size: usize, cpuset: <span class="kw-2">&</span>cpu_set_t) -> ::c_int { + <span class="kw">let </span><span class="kw-2">mut </span>s: u32 = <span class="number">0</span>; + <span class="kw">let </span>size_of_mask = ::mem::size_of_val(<span class="kw-2">&</span>cpuset.bits[<span class="number">0</span>]); + <span class="kw">for </span>i <span class="kw">in </span>cpuset.bits[..(size / size_of_mask)].iter() { + s += i.count_ones(); + }; + s <span class="kw">as </span>::c_int + } + + <span class="kw">pub fn </span>CPU_COUNT(cpuset: <span class="kw-2">&</span>cpu_set_t) -> ::c_int { + CPU_COUNT_S(::mem::size_of::<cpu_set_t>(), cpuset) + } + + <span class="kw">pub fn </span>CPU_EQUAL(set1: <span class="kw-2">&</span>cpu_set_t, set2: <span class="kw-2">&</span>cpu_set_t) -> bool { + set1.bits == set2.bits + } + + <span class="kw">pub fn </span>major(dev: ::dev_t) -> ::c_uint { + <span class="kw">let </span><span class="kw-2">mut </span>major = <span class="number">0</span>; + major |= (dev & <span class="number">0x00000000000fff00</span>) >> <span class="number">8</span>; + major |= (dev & <span class="number">0xfffff00000000000</span>) >> <span class="number">32</span>; + major <span class="kw">as </span>::c_uint + } + + <span class="kw">pub fn </span>minor(dev: ::dev_t) -> ::c_uint { + <span class="kw">let </span><span class="kw-2">mut </span>minor = <span class="number">0</span>; + minor |= (dev & <span class="number">0x00000000000000ff</span>) >> <span class="number">0</span>; + minor |= (dev & <span class="number">0x00000ffffff00000</span>) >> <span class="number">12</span>; + minor <span class="kw">as </span>::c_uint + } + + <span class="kw">pub fn </span>IPTOS_TOS(tos: u8) -> u8 { + tos & IPTOS_TOS_MASK + } + + <span class="kw">pub fn </span>IPTOS_PREC(tos: u8) -> u8 { + tos & IPTOS_PREC_MASK + } + + <span class="kw">pub fn </span>RT_TOS(tos: u8) -> u8 { + tos & ::IPTOS_TOS_MASK + } + + <span class="kw">pub fn </span>RT_ADDRCLASS(flags: u32) -> u32 { + flags >> <span class="number">23 + </span>} + + <span class="kw">pub fn </span>RT_LOCALADDR(flags: u32) -> bool { + (flags & RTF_ADDRCLASSMASK) == (RTF_LOCAL | RTF_INTERFACE) + } + + <span class="kw">pub fn </span>SO_EE_OFFENDER(ee: <span class="kw-2">*const </span>::sock_extended_err) -> <span class="kw-2">*mut </span>::sockaddr { + ee.offset(<span class="number">1</span>) <span class="kw">as </span><span class="kw-2">*mut </span>::sockaddr + } + + <span class="kw">pub fn </span>BPF_RVAL(code: ::__u32) -> ::__u32 { + code & <span class="number">0x18 + </span>} + + <span class="kw">pub fn </span>BPF_MISCOP(code: ::__u32) -> ::__u32 { + code & <span class="number">0xf8 + </span>} + + <span class="kw">pub fn </span>BPF_STMT(code: ::__u16, k: ::__u32) -> sock_filter { + sock_filter{code: code, jt: <span class="number">0</span>, jf: <span class="number">0</span>, k: k} + } + + <span class="kw">pub fn </span>BPF_JUMP(code: ::__u16, k: ::__u32, jt: ::__u8, jf: ::__u8) -> sock_filter { + sock_filter{code: code, jt: jt, jf: jf, k: k} + } +} + +<span class="macro">safe_f! </span>{ + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>makedev(major: ::c_uint, minor: ::c_uint) -> ::dev_t { + <span class="kw">let </span>major = major <span class="kw">as </span>::dev_t; + <span class="kw">let </span>minor = minor <span class="kw">as </span>::dev_t; + <span class="kw">let </span><span class="kw-2">mut </span>dev = <span class="number">0</span>; + dev |= (major & <span class="number">0x00000fff</span>) << <span class="number">8</span>; + dev |= (major & <span class="number">0xfffff000</span>) << <span class="number">32</span>; + dev |= (minor & <span class="number">0x000000ff</span>) << <span class="number">0</span>; + dev |= (minor & <span class="number">0xffffff00</span>) << <span class="number">12</span>; + dev + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] </span>{ + <span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>aio_read(aiocbp: <span class="kw-2">*mut </span>aiocb) -> ::c_int; + <span class="kw">pub fn </span>aio_write(aiocbp: <span class="kw-2">*mut </span>aiocb) -> ::c_int; + <span class="kw">pub fn </span>aio_fsync(op: ::c_int, aiocbp: <span class="kw-2">*mut </span>aiocb) -> ::c_int; + <span class="kw">pub fn </span>aio_error(aiocbp: <span class="kw-2">*const </span>aiocb) -> ::c_int; + <span class="kw">pub fn </span>aio_return(aiocbp: <span class="kw-2">*mut </span>aiocb) -> ::ssize_t; + <span class="kw">pub fn </span>aio_suspend( + aiocb_list: <span class="kw-2">*const *const </span>aiocb, + nitems: ::c_int, + timeout: <span class="kw-2">*const </span>::timespec, + ) -> ::c_int; + <span class="kw">pub fn </span>aio_cancel(fd: ::c_int, aiocbp: <span class="kw-2">*mut </span>aiocb) -> ::c_int; + <span class="kw">pub fn </span>lio_listio( + mode: ::c_int, + aiocb_list: <span class="kw-2">*const *mut </span>aiocb, + nitems: ::c_int, + sevp: <span class="kw-2">*mut </span>::sigevent, + ) -> ::c_int; + <span class="kw">pub fn </span>pwritev( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>preadv( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>getnameinfo( + sa: <span class="kw-2">*const </span>::sockaddr, + salen: ::socklen_t, + host: <span class="kw-2">*mut </span>::c_char, + hostlen: ::socklen_t, + serv: <span class="kw-2">*mut </span>::c_char, + sevlen: ::socklen_t, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>getloadavg( + loadavg: <span class="kw-2">*mut </span>::c_double, + nelem: ::c_int + ) -> ::c_int; + <span class="kw">pub fn </span>process_vm_readv( + pid: ::pid_t, + local_iov: <span class="kw-2">*const </span>::iovec, + liovcnt: ::c_ulong, + remote_iov: <span class="kw-2">*const </span>::iovec, + riovcnt: ::c_ulong, + flags: ::c_ulong, + ) -> isize; + <span class="kw">pub fn </span>process_vm_writev( + pid: ::pid_t, + local_iov: <span class="kw-2">*const </span>::iovec, + liovcnt: ::c_ulong, + remote_iov: <span class="kw-2">*const </span>::iovec, + riovcnt: ::c_ulong, + flags: ::c_ulong, + ) -> isize; + <span class="kw">pub fn </span>futimes( + fd: ::c_int, + times: <span class="kw-2">*const </span>::timeval + ) -> ::c_int; + } + } +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="attribute">#[cfg_attr(not(target_env = <span class="string">"musl"</span>), link_name = <span class="string">"__xpg_strerror_r"</span>)] + </span><span class="kw">pub fn </span>strerror_r(errnum: ::c_int, buf: <span class="kw-2">*mut </span>c_char, buflen: ::size_t) -> ::c_int; + + <span class="kw">pub fn </span>abs(i: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>atof(s: <span class="kw-2">*const </span>::c_char) -> ::c_double; + <span class="kw">pub fn </span>labs(i: ::c_long) -> ::c_long; + <span class="kw">pub fn </span>rand() -> ::c_int; + <span class="kw">pub fn </span>srand(seed: ::c_uint); + + <span class="kw">pub fn </span>drand48() -> ::c_double; + <span class="kw">pub fn </span>erand48(xseed: <span class="kw-2">*mut </span>::c_ushort) -> ::c_double; + <span class="kw">pub fn </span>lrand48() -> ::c_long; + <span class="kw">pub fn </span>nrand48(xseed: <span class="kw-2">*mut </span>::c_ushort) -> ::c_long; + <span class="kw">pub fn </span>mrand48() -> ::c_long; + <span class="kw">pub fn </span>jrand48(xseed: <span class="kw-2">*mut </span>::c_ushort) -> ::c_long; + <span class="kw">pub fn </span>srand48(seed: ::c_long); + <span class="kw">pub fn </span>seed48(xseed: <span class="kw-2">*mut </span>::c_ushort) -> <span class="kw-2">*mut </span>::c_ushort; + <span class="kw">pub fn </span>lcong48(p: <span class="kw-2">*mut </span>::c_ushort); + + <span class="kw">pub fn </span>lutimes(file: <span class="kw-2">*const </span>::c_char, times: <span class="kw-2">*const </span>::timeval) -> ::c_int; + + <span class="kw">pub fn </span>setpwent(); + <span class="kw">pub fn </span>endpwent(); + <span class="kw">pub fn </span>getpwent() -> <span class="kw-2">*mut </span>passwd; + <span class="kw">pub fn </span>setgrent(); + <span class="kw">pub fn </span>endgrent(); + <span class="kw">pub fn </span>getgrent() -> <span class="kw-2">*mut </span>::group; + <span class="kw">pub fn </span>setspent(); + <span class="kw">pub fn </span>endspent(); + <span class="kw">pub fn </span>getspent() -> <span class="kw-2">*mut </span>spwd; + + <span class="kw">pub fn </span>getspnam(name: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>spwd; + <span class="comment">// Only `getspnam_r` is implemented for musl, out of all of the reenterant + // functions from `shadow.h`. + // https://git.musl-libc.org/cgit/musl/tree/include/shadow.h + </span><span class="kw">pub fn </span>getspnam_r( + name: <span class="kw-2">*const </span>::c_char, + spbuf: <span class="kw-2">*mut </span>spwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + spbufp: <span class="kw-2">*mut *mut </span>spwd, + ) -> ::c_int; + + <span class="kw">pub fn </span>shm_open(name: <span class="kw-2">*const </span>c_char, oflag: ::c_int, mode: mode_t) -> ::c_int; + + <span class="comment">// System V IPC + </span><span class="kw">pub fn </span>shmget(key: ::key_t, size: ::size_t, shmflg: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>shmat(shmid: ::c_int, shmaddr: <span class="kw-2">*const </span>::c_void, shmflg: ::c_int) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>shmdt(shmaddr: <span class="kw-2">*const </span>::c_void) -> ::c_int; + <span class="kw">pub fn </span>shmctl(shmid: ::c_int, cmd: ::c_int, buf: <span class="kw-2">*mut </span>::shmid_ds) -> ::c_int; + <span class="kw">pub fn </span>ftok(pathname: <span class="kw-2">*const </span>::c_char, proj_id: ::c_int) -> ::key_t; + <span class="kw">pub fn </span>semget(key: ::key_t, nsems: ::c_int, semflag: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>semop(semid: ::c_int, sops: <span class="kw-2">*mut </span>::sembuf, nsops: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>semctl(semid: ::c_int, semnum: ::c_int, cmd: ::c_int, ...) -> ::c_int; + <span class="kw">pub fn </span>msgctl(msqid: ::c_int, cmd: ::c_int, buf: <span class="kw-2">*mut </span>msqid_ds) -> ::c_int; + <span class="kw">pub fn </span>msgget(key: ::key_t, msgflg: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>msgrcv( + msqid: ::c_int, + msgp: <span class="kw-2">*mut </span>::c_void, + msgsz: ::size_t, + msgtyp: ::c_long, + msgflg: ::c_int, + ) -> ::ssize_t; + <span class="kw">pub fn </span>msgsnd( + msqid: ::c_int, + msgp: <span class="kw-2">*const </span>::c_void, + msgsz: ::size_t, + msgflg: ::c_int, + ) -> ::c_int; + + <span class="kw">pub fn </span>mprotect(addr: <span class="kw-2">*mut </span>::c_void, len: ::size_t, prot: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>__errno_location() -> <span class="kw-2">*mut </span>::c_int; + + <span class="kw">pub fn </span>fopen64(filename: <span class="kw-2">*const </span>c_char, mode: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>::FILE; + <span class="kw">pub fn </span>freopen64( + filename: <span class="kw-2">*const </span>c_char, + mode: <span class="kw-2">*const </span>c_char, + file: <span class="kw-2">*mut </span>::FILE, + ) -> <span class="kw-2">*mut </span>::FILE; + <span class="kw">pub fn </span>tmpfile64() -> <span class="kw-2">*mut </span>::FILE; + <span class="kw">pub fn </span>fgetpos64(stream: <span class="kw-2">*mut </span>::FILE, ptr: <span class="kw-2">*mut </span>fpos64_t) -> ::c_int; + <span class="kw">pub fn </span>fsetpos64(stream: <span class="kw-2">*mut </span>::FILE, ptr: <span class="kw-2">*const </span>fpos64_t) -> ::c_int; + <span class="kw">pub fn </span>fseeko64(stream: <span class="kw-2">*mut </span>::FILE, offset: ::off64_t, whence: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>ftello64(stream: <span class="kw-2">*mut </span>::FILE) -> ::off64_t; + <span class="kw">pub fn </span>fallocate(fd: ::c_int, mode: ::c_int, offset: ::off_t, len: ::off_t) -> ::c_int; + <span class="kw">pub fn </span>fallocate64(fd: ::c_int, mode: ::c_int, offset: ::off64_t, len: ::off64_t) -> ::c_int; + <span class="kw">pub fn </span>posix_fallocate(fd: ::c_int, offset: ::off_t, len: ::off_t) -> ::c_int; + <span class="kw">pub fn </span>posix_fallocate64(fd: ::c_int, offset: ::off64_t, len: ::off64_t) -> ::c_int; + <span class="kw">pub fn </span>readahead(fd: ::c_int, offset: ::off64_t, count: ::size_t) -> ::ssize_t; + <span class="kw">pub fn </span>getxattr( + path: <span class="kw-2">*const </span>c_char, + name: <span class="kw-2">*const </span>c_char, + value: <span class="kw-2">*mut </span>::c_void, + size: ::size_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>lgetxattr( + path: <span class="kw-2">*const </span>c_char, + name: <span class="kw-2">*const </span>c_char, + value: <span class="kw-2">*mut </span>::c_void, + size: ::size_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>fgetxattr( + filedes: ::c_int, + name: <span class="kw-2">*const </span>c_char, + value: <span class="kw-2">*mut </span>::c_void, + size: ::size_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>setxattr( + path: <span class="kw-2">*const </span>c_char, + name: <span class="kw-2">*const </span>c_char, + value: <span class="kw-2">*const </span>::c_void, + size: ::size_t, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>lsetxattr( + path: <span class="kw-2">*const </span>c_char, + name: <span class="kw-2">*const </span>c_char, + value: <span class="kw-2">*const </span>::c_void, + size: ::size_t, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>fsetxattr( + filedes: ::c_int, + name: <span class="kw-2">*const </span>c_char, + value: <span class="kw-2">*const </span>::c_void, + size: ::size_t, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>listxattr(path: <span class="kw-2">*const </span>c_char, list: <span class="kw-2">*mut </span>c_char, size: ::size_t) -> ::ssize_t; + <span class="kw">pub fn </span>llistxattr(path: <span class="kw-2">*const </span>c_char, list: <span class="kw-2">*mut </span>c_char, size: ::size_t) -> ::ssize_t; + <span class="kw">pub fn </span>flistxattr(filedes: ::c_int, list: <span class="kw-2">*mut </span>c_char, size: ::size_t) -> ::ssize_t; + <span class="kw">pub fn </span>removexattr(path: <span class="kw-2">*const </span>c_char, name: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>lremovexattr(path: <span class="kw-2">*const </span>c_char, name: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>fremovexattr(filedes: ::c_int, name: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>signalfd(fd: ::c_int, mask: <span class="kw-2">*const </span>::sigset_t, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>timerfd_create(clockid: ::clockid_t, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>timerfd_gettime(fd: ::c_int, curr_value: <span class="kw-2">*mut </span>itimerspec) -> ::c_int; + <span class="kw">pub fn </span>timerfd_settime( + fd: ::c_int, + flags: ::c_int, + new_value: <span class="kw-2">*const </span>itimerspec, + old_value: <span class="kw-2">*mut </span>itimerspec, + ) -> ::c_int; + <span class="kw">pub fn </span>quotactl( + cmd: ::c_int, + special: <span class="kw-2">*const </span>::c_char, + id: ::c_int, + data: <span class="kw-2">*mut </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>mq_open(name: <span class="kw-2">*const </span>::c_char, oflag: ::c_int, ...) -> ::mqd_t; + <span class="kw">pub fn </span>mq_close(mqd: ::mqd_t) -> ::c_int; + <span class="kw">pub fn </span>mq_unlink(name: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>mq_receive( + mqd: ::mqd_t, + msg_ptr: <span class="kw-2">*mut </span>::c_char, + msg_len: ::size_t, + msg_prio: <span class="kw-2">*mut </span>::c_uint, + ) -> ::ssize_t; + <span class="kw">pub fn </span>mq_timedreceive( + mqd: ::mqd_t, + msg_ptr: <span class="kw-2">*mut </span>::c_char, + msg_len: ::size_t, + msg_prio: <span class="kw-2">*mut </span>::c_uint, + abs_timeout: <span class="kw-2">*const </span>::timespec, + ) -> ::ssize_t; + <span class="kw">pub fn </span>mq_send( + mqd: ::mqd_t, + msg_ptr: <span class="kw-2">*const </span>::c_char, + msg_len: ::size_t, + msg_prio: ::c_uint, + ) -> ::c_int; + <span class="kw">pub fn </span>mq_timedsend( + mqd: ::mqd_t, + msg_ptr: <span class="kw-2">*const </span>::c_char, + msg_len: ::size_t, + msg_prio: ::c_uint, + abs_timeout: <span class="kw-2">*const </span>::timespec, + ) -> ::c_int; + <span class="kw">pub fn </span>mq_getattr(mqd: ::mqd_t, attr: <span class="kw-2">*mut </span>::mq_attr) -> ::c_int; + <span class="kw">pub fn </span>mq_setattr(mqd: ::mqd_t, newattr: <span class="kw-2">*const </span>::mq_attr, oldattr: <span class="kw-2">*mut </span>::mq_attr) -> ::c_int; + <span class="kw">pub fn </span>epoll_pwait( + epfd: ::c_int, + events: <span class="kw-2">*mut </span>::epoll_event, + maxevents: ::c_int, + timeout: ::c_int, + sigmask: <span class="kw-2">*const </span>::sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>dup3(oldfd: ::c_int, newfd: ::c_int, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>mkostemp(template: <span class="kw-2">*mut </span>::c_char, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>mkostemps(template: <span class="kw-2">*mut </span>::c_char, suffixlen: ::c_int, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>sigtimedwait( + set: <span class="kw-2">*const </span>sigset_t, + info: <span class="kw-2">*mut </span>siginfo_t, + timeout: <span class="kw-2">*const </span>::timespec, + ) -> ::c_int; + <span class="kw">pub fn </span>sigwaitinfo(set: <span class="kw-2">*const </span>sigset_t, info: <span class="kw-2">*mut </span>siginfo_t) -> ::c_int; + <span class="kw">pub fn </span>nl_langinfo_l(item: ::nl_item, locale: ::locale_t) -> <span class="kw-2">*mut </span>::c_char; + <span class="kw">pub fn </span>accept4( + fd: ::c_int, + addr: <span class="kw-2">*mut </span>::sockaddr, + len: <span class="kw-2">*mut </span>::socklen_t, + flg: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_getaffinity_np( + thread: ::pthread_t, + cpusetsize: ::size_t, + cpuset: <span class="kw-2">*mut </span>::cpu_set_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_setaffinity_np( + thread: ::pthread_t, + cpusetsize: ::size_t, + cpuset: <span class="kw-2">*const </span>::cpu_set_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_setschedprio(native: ::pthread_t, priority: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>reboot(how_to: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>setfsgid(gid: ::gid_t) -> ::c_int; + <span class="kw">pub fn </span>setfsuid(uid: ::uid_t) -> ::c_int; + + <span class="comment">// Not available now on Android + </span><span class="kw">pub fn </span>mkfifoat(dirfd: ::c_int, pathname: <span class="kw-2">*const </span>::c_char, mode: ::mode_t) -> ::c_int; + <span class="kw">pub fn </span>if_nameindex() -> <span class="kw-2">*mut </span>if_nameindex; + <span class="kw">pub fn </span>if_freenameindex(ptr: <span class="kw-2">*mut </span>if_nameindex); + <span class="kw">pub fn </span>sync_file_range( + fd: ::c_int, + offset: ::off64_t, + nbytes: ::off64_t, + flags: ::c_uint, + ) -> ::c_int; + <span class="kw">pub fn </span>mremap( + addr: <span class="kw-2">*mut </span>::c_void, + len: ::size_t, + new_len: ::size_t, + flags: ::c_int, + ... + ) -> <span class="kw-2">*mut </span>::c_void; + + <span class="kw">pub fn </span>glob( + pattern: <span class="kw-2">*const </span>c_char, + flags: ::c_int, + errfunc: ::Option<<span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(epath: <span class="kw-2">*const </span>c_char, errno: ::c_int) -> ::c_int>, + pglob: <span class="kw-2">*mut </span>::glob_t, + ) -> ::c_int; + <span class="kw">pub fn </span>globfree(pglob: <span class="kw-2">*mut </span>::glob_t); + + <span class="kw">pub fn </span>posix_madvise(addr: <span class="kw-2">*mut </span>::c_void, len: ::size_t, advice: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>shm_unlink(name: <span class="kw-2">*const </span>::c_char) -> ::c_int; + + <span class="kw">pub fn </span>seekdir(dirp: <span class="kw-2">*mut </span>::DIR, loc: ::c_long); + + <span class="kw">pub fn </span>telldir(dirp: <span class="kw-2">*mut </span>::DIR) -> ::c_long; + <span class="kw">pub fn </span>madvise(addr: <span class="kw-2">*mut </span>::c_void, len: ::size_t, advice: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>msync(addr: <span class="kw-2">*mut </span>::c_void, len: ::size_t, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>remap_file_pages( + addr: <span class="kw-2">*mut </span>::c_void, + size: ::size_t, + prot: ::c_int, + pgoff: ::size_t, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>recvfrom( + socket: ::c_int, + buf: <span class="kw-2">*mut </span>::c_void, + len: ::size_t, + flags: ::c_int, + addr: <span class="kw-2">*mut </span>::sockaddr, + addrlen: <span class="kw-2">*mut </span>::socklen_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>mkstemps(template: <span class="kw-2">*mut </span>::c_char, suffixlen: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>nl_langinfo(item: ::nl_item) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>getdomainname(name: <span class="kw-2">*mut </span>::c_char, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>setdomainname(name: <span class="kw-2">*const </span>::c_char, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>vhangup() -> ::c_int; + <span class="kw">pub fn </span>sync(); + <span class="kw">pub fn </span>syncfs(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>syscall(num: ::c_long, ...) -> ::c_long; + <span class="kw">pub fn </span>sched_getaffinity(pid: ::pid_t, cpusetsize: ::size_t, cpuset: <span class="kw-2">*mut </span>cpu_set_t) + -> ::c_int; + <span class="kw">pub fn </span>sched_setaffinity( + pid: ::pid_t, + cpusetsize: ::size_t, + cpuset: <span class="kw-2">*const </span>cpu_set_t, + ) -> ::c_int; + <span class="kw">pub fn </span>epoll_create(size: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>epoll_create1(flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>epoll_wait( + epfd: ::c_int, + events: <span class="kw-2">*mut </span>::epoll_event, + maxevents: ::c_int, + timeout: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>epoll_ctl(epfd: ::c_int, op: ::c_int, fd: ::c_int, event: <span class="kw-2">*mut </span>::epoll_event) + -> ::c_int; + <span class="kw">pub fn </span>pthread_getschedparam( + native: ::pthread_t, + policy: <span class="kw-2">*mut </span>::c_int, + param: <span class="kw-2">*mut </span>::sched_param, + ) -> ::c_int; + <span class="kw">pub fn </span>unshare(flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>umount(target: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>sched_get_priority_max(policy: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>tee(fd_in: ::c_int, fd_out: ::c_int, len: ::size_t, flags: ::c_uint) -> ::ssize_t; + <span class="kw">pub fn </span>settimeofday(tv: <span class="kw-2">*const </span>::timeval, tz: <span class="kw-2">*const </span>::timezone) -> ::c_int; + <span class="kw">pub fn </span>splice( + fd_in: ::c_int, + off_in: <span class="kw-2">*mut </span>::loff_t, + fd_out: ::c_int, + off_out: <span class="kw-2">*mut </span>::loff_t, + len: ::size_t, + flags: ::c_uint, + ) -> ::ssize_t; + <span class="kw">pub fn </span>eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>sched_rr_get_interval(pid: ::pid_t, tp: <span class="kw-2">*mut </span>::timespec) -> ::c_int; + <span class="kw">pub fn </span>sem_timedwait(sem: <span class="kw-2">*mut </span>sem_t, abstime: <span class="kw-2">*const </span>::timespec) -> ::c_int; + <span class="kw">pub fn </span>sem_getvalue(sem: <span class="kw-2">*mut </span>sem_t, sval: <span class="kw-2">*mut </span>::c_int) -> ::c_int; + <span class="kw">pub fn </span>sched_setparam(pid: ::pid_t, param: <span class="kw-2">*const </span>::sched_param) -> ::c_int; + <span class="kw">pub fn </span>setns(fd: ::c_int, nstype: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>swapoff(path: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>vmsplice( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + nr_segs: ::size_t, + flags: ::c_uint, + ) -> ::ssize_t; + <span class="kw">pub fn </span>mount( + src: <span class="kw-2">*const </span>::c_char, + target: <span class="kw-2">*const </span>::c_char, + fstype: <span class="kw-2">*const </span>::c_char, + flags: ::c_ulong, + data: <span class="kw-2">*const </span>::c_void, + ) -> ::c_int; + <span class="kw">pub fn </span>personality(persona: ::c_ulong) -> ::c_int; + <span class="kw">pub fn </span>prctl(option: ::c_int, ...) -> ::c_int; + <span class="kw">pub fn </span>sched_getparam(pid: ::pid_t, param: <span class="kw-2">*mut </span>::sched_param) -> ::c_int; + <span class="kw">pub fn </span>ppoll( + fds: <span class="kw-2">*mut </span>::pollfd, + nfds: nfds_t, + timeout: <span class="kw-2">*const </span>::timespec, + sigmask: <span class="kw-2">*const </span>sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_getprotocol( + attr: <span class="kw-2">*const </span>pthread_mutexattr_t, + protocol: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_setprotocol( + attr: <span class="kw-2">*mut </span>pthread_mutexattr_t, + protocol: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_consistent(mutex: <span class="kw-2">*mut </span>pthread_mutex_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_timedlock( + lock: <span class="kw-2">*mut </span>pthread_mutex_t, + abstime: <span class="kw-2">*const </span>::timespec, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_spin_init(lock: <span class="kw-2">*mut </span>::pthread_spinlock_t, pshared: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_spin_destroy(lock: <span class="kw-2">*mut </span>::pthread_spinlock_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_spin_lock(lock: <span class="kw-2">*mut </span>::pthread_spinlock_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_spin_trylock(lock: <span class="kw-2">*mut </span>::pthread_spinlock_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_spin_unlock(lock: <span class="kw-2">*mut </span>::pthread_spinlock_t) -> ::c_int; + <span class="kw">pub fn </span>clone( + cb: <span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*mut </span>::c_void) -> ::c_int, + child_stack: <span class="kw-2">*mut </span>::c_void, + flags: ::c_int, + arg: <span class="kw-2">*mut </span>::c_void, + ... + ) -> ::c_int; + <span class="kw">pub fn </span>sched_getscheduler(pid: ::pid_t) -> ::c_int; + <span class="kw">pub fn </span>clock_nanosleep( + clk_id: ::clockid_t, + flags: ::c_int, + rqtp: <span class="kw-2">*const </span>::timespec, + rmtp: <span class="kw-2">*mut </span>::timespec, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_attr_getguardsize( + attr: <span class="kw-2">*const </span>::pthread_attr_t, + guardsize: <span class="kw-2">*mut </span>::size_t, + ) -> ::c_int; + <span class="kw">pub fn </span>sethostname(name: <span class="kw-2">*const </span>::c_char, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>sched_get_priority_min(policy: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_condattr_getpshared( + attr: <span class="kw-2">*const </span>pthread_condattr_t, + pshared: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>sysinfo(info: <span class="kw-2">*mut </span>::sysinfo) -> ::c_int; + <span class="kw">pub fn </span>umount2(target: <span class="kw-2">*const </span>::c_char, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_setschedparam( + native: ::pthread_t, + policy: ::c_int, + param: <span class="kw-2">*const </span>::sched_param, + ) -> ::c_int; + <span class="kw">pub fn </span>swapon(path: <span class="kw-2">*const </span>::c_char, swapflags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>sched_setscheduler( + pid: ::pid_t, + policy: ::c_int, + param: <span class="kw-2">*const </span>::sched_param, + ) -> ::c_int; + <span class="kw">pub fn </span>sendfile( + out_fd: ::c_int, + in_fd: ::c_int, + offset: <span class="kw-2">*mut </span>off_t, + count: ::size_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>sendfile64( + out_fd: ::c_int, + in_fd: ::c_int, + offset: <span class="kw-2">*mut </span>off64_t, + count: ::size_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>sigsuspend(mask: <span class="kw-2">*const </span>::sigset_t) -> ::c_int; + <span class="kw">pub fn </span>getgrgid_r( + gid: ::gid_t, + grp: <span class="kw-2">*mut </span>::group, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>::group, + ) -> ::c_int; + <span class="kw">pub fn </span>sigaltstack(ss: <span class="kw-2">*const </span>stack_t, oss: <span class="kw-2">*mut </span>stack_t) -> ::c_int; + <span class="kw">pub fn </span>sem_close(sem: <span class="kw-2">*mut </span>sem_t) -> ::c_int; + <span class="kw">pub fn </span>getdtablesize() -> ::c_int; + <span class="kw">pub fn </span>getgrnam_r( + name: <span class="kw-2">*const </span>::c_char, + grp: <span class="kw-2">*mut </span>::group, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>::group, + ) -> ::c_int; + <span class="kw">pub fn </span>initgroups(user: <span class="kw-2">*const </span>::c_char, group: ::gid_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_sigmask(how: ::c_int, set: <span class="kw-2">*const </span>sigset_t, oldset: <span class="kw-2">*mut </span>sigset_t) -> ::c_int; + <span class="kw">pub fn </span>sem_open(name: <span class="kw-2">*const </span>::c_char, oflag: ::c_int, ...) -> <span class="kw-2">*mut </span>sem_t; + <span class="kw">pub fn </span>getgrnam(name: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>::group; + <span class="kw">pub fn </span>pthread_cancel(thread: ::pthread_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>sem_unlink(name: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>getpwnam_r( + name: <span class="kw-2">*const </span>::c_char, + pwd: <span class="kw-2">*mut </span>passwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>passwd, + ) -> ::c_int; + <span class="kw">pub fn </span>getpwuid_r( + uid: ::uid_t, + pwd: <span class="kw-2">*mut </span>passwd, + buf: <span class="kw-2">*mut </span>::c_char, + buflen: ::size_t, + result: <span class="kw-2">*mut *mut </span>passwd, + ) -> ::c_int; + <span class="kw">pub fn </span>sigwait(set: <span class="kw-2">*const </span>sigset_t, sig: <span class="kw-2">*mut </span>::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_atfork( + prepare: ::Option<<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>()>, + parent: ::Option<<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>()>, + child: ::Option<<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>()>, + ) -> ::c_int; + <span class="kw">pub fn </span>getgrgid(gid: ::gid_t) -> <span class="kw-2">*mut </span>::group; + <span class="kw">pub fn </span>getgrouplist( + user: <span class="kw-2">*const </span>::c_char, + group: ::gid_t, + groups: <span class="kw-2">*mut </span>::gid_t, + ngroups: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_getpshared( + attr: <span class="kw-2">*const </span>pthread_mutexattr_t, + pshared: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_getrobust( + attr: <span class="kw-2">*const </span>pthread_mutexattr_t, + robustness: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_setrobust( + attr: <span class="kw-2">*mut </span>pthread_mutexattr_t, + robustness: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>popen(command: <span class="kw-2">*const </span>c_char, mode: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>::FILE; + <span class="kw">pub fn </span>faccessat( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>::c_char, + mode: ::c_int, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_create( + native: <span class="kw-2">*mut </span>::pthread_t, + attr: <span class="kw-2">*const </span>::pthread_attr_t, + f: <span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*mut </span>::c_void) -> <span class="kw-2">*mut </span>::c_void, + value: <span class="kw-2">*mut </span>::c_void, + ) -> ::c_int; + <span class="kw">pub fn </span>dl_iterate_phdr( + callback: ::Option< + <span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>( + info: <span class="kw-2">*mut </span>::dl_phdr_info, + size: ::size_t, + data: <span class="kw-2">*mut </span>::c_void, + ) -> ::c_int, + >, + data: <span class="kw-2">*mut </span>::c_void, + ) -> ::c_int; + + <span class="kw">pub fn </span>setmntent(filename: <span class="kw-2">*const </span>::c_char, ty: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>::FILE; + <span class="kw">pub fn </span>getmntent(stream: <span class="kw-2">*mut </span>::FILE) -> <span class="kw-2">*mut </span>::mntent; + <span class="kw">pub fn </span>addmntent(stream: <span class="kw-2">*mut </span>::FILE, mnt: <span class="kw-2">*const </span>::mntent) -> ::c_int; + <span class="kw">pub fn </span>endmntent(streamp: <span class="kw-2">*mut </span>::FILE) -> ::c_int; + <span class="kw">pub fn </span>hasmntopt(mnt: <span class="kw-2">*const </span>::mntent, opt: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>posix_spawn( + pid: <span class="kw-2">*mut </span>::pid_t, + path: <span class="kw-2">*const </span>::c_char, + file_actions: <span class="kw-2">*const </span>::posix_spawn_file_actions_t, + attrp: <span class="kw-2">*const </span>::posix_spawnattr_t, + argv: <span class="kw-2">*const *mut </span>::c_char, + envp: <span class="kw-2">*const *mut </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnp( + pid: <span class="kw-2">*mut </span>::pid_t, + file: <span class="kw-2">*const </span>::c_char, + file_actions: <span class="kw-2">*const </span>::posix_spawn_file_actions_t, + attrp: <span class="kw-2">*const </span>::posix_spawnattr_t, + argv: <span class="kw-2">*const *mut </span>::c_char, + envp: <span class="kw-2">*const *mut </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_init(attr: <span class="kw-2">*mut </span>posix_spawnattr_t) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_destroy(attr: <span class="kw-2">*mut </span>posix_spawnattr_t) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_getsigdefault( + attr: <span class="kw-2">*const </span>posix_spawnattr_t, + default: <span class="kw-2">*mut </span>::sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_setsigdefault( + attr: <span class="kw-2">*mut </span>posix_spawnattr_t, + default: <span class="kw-2">*const </span>::sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_getsigmask( + attr: <span class="kw-2">*const </span>posix_spawnattr_t, + default: <span class="kw-2">*mut </span>::sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_setsigmask( + attr: <span class="kw-2">*mut </span>posix_spawnattr_t, + default: <span class="kw-2">*const </span>::sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_getflags( + attr: <span class="kw-2">*const </span>posix_spawnattr_t, + flags: <span class="kw-2">*mut </span>::c_short, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_setflags(attr: <span class="kw-2">*mut </span>posix_spawnattr_t, flags: ::c_short) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_getpgroup( + attr: <span class="kw-2">*const </span>posix_spawnattr_t, + flags: <span class="kw-2">*mut </span>::pid_t, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_setpgroup(attr: <span class="kw-2">*mut </span>posix_spawnattr_t, flags: ::pid_t) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_getschedpolicy( + attr: <span class="kw-2">*const </span>posix_spawnattr_t, + flags: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_setschedpolicy(attr: <span class="kw-2">*mut </span>posix_spawnattr_t, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_getschedparam( + attr: <span class="kw-2">*const </span>posix_spawnattr_t, + param: <span class="kw-2">*mut </span>::sched_param, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawnattr_setschedparam( + attr: <span class="kw-2">*mut </span>posix_spawnattr_t, + param: <span class="kw-2">*const </span>::sched_param, + ) -> ::c_int; + + <span class="kw">pub fn </span>posix_spawn_file_actions_init(actions: <span class="kw-2">*mut </span>posix_spawn_file_actions_t) -> ::c_int; + <span class="kw">pub fn </span>posix_spawn_file_actions_destroy(actions: <span class="kw-2">*mut </span>posix_spawn_file_actions_t) -> ::c_int; + <span class="kw">pub fn </span>posix_spawn_file_actions_addopen( + actions: <span class="kw-2">*mut </span>posix_spawn_file_actions_t, + fd: ::c_int, + path: <span class="kw-2">*const </span>::c_char, + oflag: ::c_int, + mode: ::mode_t, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawn_file_actions_addclose( + actions: <span class="kw-2">*mut </span>posix_spawn_file_actions_t, + fd: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>posix_spawn_file_actions_adddup2( + actions: <span class="kw-2">*mut </span>posix_spawn_file_actions_t, + fd: ::c_int, + newfd: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>fread_unlocked( + ptr: <span class="kw-2">*mut </span>::c_void, + size: ::size_t, + nobj: ::size_t, + stream: <span class="kw-2">*mut </span>::FILE, + ) -> ::size_t; + <span class="kw">pub fn </span>inotify_rm_watch(fd: ::c_int, wd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>inotify_init() -> ::c_int; + <span class="kw">pub fn </span>inotify_init1(flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>inotify_add_watch(fd: ::c_int, path: <span class="kw-2">*const </span>::c_char, mask: u32) -> ::c_int; + <span class="kw">pub fn </span>fanotify_init(flags: ::c_uint, event_f_flags: ::c_uint) -> ::c_int; + + <span class="kw">pub fn </span>regcomp(preg: <span class="kw-2">*mut </span>::regex_t, pattern: <span class="kw-2">*const </span>::c_char, cflags: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>regexec( + preg: <span class="kw-2">*const </span>::regex_t, + input: <span class="kw-2">*const </span>::c_char, + nmatch: ::size_t, + pmatch: <span class="kw-2">*mut </span>regmatch_t, + eflags: ::c_int, + ) -> ::c_int; + + <span class="kw">pub fn </span>regerror( + errcode: ::c_int, + preg: <span class="kw-2">*const </span>::regex_t, + errbuf: <span class="kw-2">*mut </span>::c_char, + errbuf_size: ::size_t, + ) -> ::size_t; + + <span class="kw">pub fn </span>regfree(preg: <span class="kw-2">*mut </span>::regex_t); + + <span class="kw">pub fn </span>iconv_open(tocode: <span class="kw-2">*const </span>::c_char, fromcode: <span class="kw-2">*const </span>::c_char) -> iconv_t; + <span class="kw">pub fn </span>iconv( + cd: iconv_t, + inbuf: <span class="kw-2">*mut *mut </span>::c_char, + inbytesleft: <span class="kw-2">*mut </span>::size_t, + outbuf: <span class="kw-2">*mut *mut </span>::c_char, + outbytesleft: <span class="kw-2">*mut </span>::size_t, + ) -> ::size_t; + <span class="kw">pub fn </span>iconv_close(cd: iconv_t) -> ::c_int; + + <span class="kw">pub fn </span>gettid() -> ::pid_t; + + <span class="kw">pub fn </span>timer_create( + clockid: ::clockid_t, + sevp: <span class="kw-2">*mut </span>::sigevent, + timerid: <span class="kw-2">*mut </span>::timer_t, + ) -> ::c_int; + <span class="kw">pub fn </span>timer_delete(timerid: ::timer_t) -> ::c_int; + <span class="kw">pub fn </span>timer_getoverrun(timerid: ::timer_t) -> ::c_int; + <span class="kw">pub fn </span>timer_gettime(timerid: ::timer_t, curr_value: <span class="kw-2">*mut </span>::itimerspec) -> ::c_int; + <span class="kw">pub fn </span>timer_settime( + timerid: ::timer_t, + flags: ::c_int, + new_value: <span class="kw-2">*const </span>::itimerspec, + old_value: <span class="kw-2">*mut </span>::itimerspec, + ) -> ::c_int; + + <span class="kw">pub fn </span>gethostid() -> ::c_long; + + <span class="kw">pub fn </span>pthread_getcpuclockid(thread: ::pthread_t, clk_id: <span class="kw-2">*mut </span>::clockid_t) -> ::c_int; + <span class="kw">pub fn </span>memmem( + haystack: <span class="kw-2">*const </span>::c_void, + haystacklen: ::size_t, + needle: <span class="kw-2">*const </span>::c_void, + needlelen: ::size_t, + ) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>sched_getcpu() -> ::c_int; + + <span class="kw">pub fn </span>pthread_getname_np(thread: ::pthread_t, name: <span class="kw-2">*mut </span>::c_char, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_setname_np(thread: ::pthread_t, name: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>getopt_long( + argc: ::c_int, + argv: <span class="kw-2">*const *mut </span>c_char, + optstring: <span class="kw-2">*const </span>c_char, + longopts: <span class="kw-2">*const </span>option, + longindex: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_env = <span class="string">"uclibc"</span>)] </span>{ + <span class="kw">mod </span>uclibc; + <span class="kw">pub use </span><span class="self">self</span>::uclibc::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"musl"</span>)] </span>{ + <span class="kw">mod </span>musl; + <span class="kw">pub use </span><span class="self">self</span>::musl::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"gnu"</span>)] </span>{ + <span class="kw">mod </span>gnu; + <span class="kw">pub use </span><span class="self">self</span>::gnu::<span class="kw-2">*</span>; + } +} + +<span class="kw">mod </span>arch; +<span class="kw">pub use </span><span class="self">self</span>::arch::<span class="kw-2">*</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_align)] </span>{ + <span class="attribute">#[macro_use] + </span><span class="kw">mod </span>align; + } <span class="kw">else </span>{ + <span class="attribute">#[macro_use] + </span><span class="kw">mod </span>no_align; + } +} +<span class="macro">expand_align!</span>(); + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_non_exhaustive)] </span>{ + <span class="kw">mod </span>non_exhaustive; + <span class="kw">pub use </span><span class="self">self</span>::non_exhaustive::<span class="kw-2">*</span>; + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/non_exhaustive.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/non_exhaustive.rs.html new file mode 100644 index 0000000..d6ab775 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/linux/non_exhaustive.rs.html @@ -0,0 +1,20 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/linux/non_exhaustive.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>non_exhaustive.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../../normalize.css"><link rel="stylesheet" href="../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../storage.js"></script><script defer src="../../../../../source-script.js"></script><script defer src="../../../../../source-files.js"></script><script defer src="../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../libc/index.html"><img class="rust-logo" src="../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +</pre><pre class="rust"><code><span class="macro">s! </span>{ + <span class="comment">// linux/openat2.h + </span><span class="attribute">#[non_exhaustive] + </span><span class="kw">pub struct </span>open_how { + <span class="kw">pub </span>flags: ::__u64, + <span class="kw">pub </span>mode: ::__u64, + <span class="kw">pub </span>resolve: ::__u64, + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/mod.rs.html new file mode 100644 index 0000000..c838ce4 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/linux_like/mod.rs.html @@ -0,0 +1,3660 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/linux_like/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../libc/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span 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id="624">624</span> +<span id="625">625</span> +<span id="626">626</span> +<span id="627">627</span> +<span id="628">628</span> +<span id="629">629</span> +<span id="630">630</span> +<span id="631">631</span> +<span id="632">632</span> +<span id="633">633</span> +<span id="634">634</span> +<span id="635">635</span> +<span id="636">636</span> +<span id="637">637</span> +<span id="638">638</span> +<span id="639">639</span> +<span id="640">640</span> +<span id="641">641</span> +<span id="642">642</span> +<span id="643">643</span> +<span id="644">644</span> +<span id="645">645</span> +<span id="646">646</span> +<span id="647">647</span> +<span id="648">648</span> +<span id="649">649</span> +<span id="650">650</span> +<span id="651">651</span> +<span id="652">652</span> +<span id="653">653</span> +<span id="654">654</span> +<span id="655">655</span> +<span id="656">656</span> +<span id="657">657</span> +<span id="658">658</span> +<span id="659">659</span> +<span id="660">660</span> +<span 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id="1743">1743</span> +<span id="1744">1744</span> +<span id="1745">1745</span> +<span id="1746">1746</span> +<span id="1747">1747</span> +<span id="1748">1748</span> +<span id="1749">1749</span> +<span id="1750">1750</span> +<span id="1751">1751</span> +<span id="1752">1752</span> +<span id="1753">1753</span> +<span id="1754">1754</span> +<span id="1755">1755</span> +<span id="1756">1756</span> +<span id="1757">1757</span> +<span id="1758">1758</span> +<span id="1759">1759</span> +<span id="1760">1760</span> +<span id="1761">1761</span> +<span id="1762">1762</span> +<span id="1763">1763</span> +<span id="1764">1764</span> +<span id="1765">1765</span> +<span id="1766">1766</span> +<span id="1767">1767</span> +<span id="1768">1768</span> +<span id="1769">1769</span> +<span id="1770">1770</span> +<span id="1771">1771</span> +<span id="1772">1772</span> +<span id="1773">1773</span> +<span id="1774">1774</span> +<span id="1775">1775</span> +<span id="1776">1776</span> +<span id="1777">1777</span> +<span id="1778">1778</span> +<span id="1779">1779</span> +<span id="1780">1780</span> +<span id="1781">1781</span> +<span id="1782">1782</span> +<span id="1783">1783</span> +<span id="1784">1784</span> +<span id="1785">1785</span> +<span id="1786">1786</span> +<span id="1787">1787</span> +<span id="1788">1788</span> +<span id="1789">1789</span> +<span id="1790">1790</span> +<span id="1791">1791</span> +<span id="1792">1792</span> +<span id="1793">1793</span> +<span id="1794">1794</span> +<span id="1795">1795</span> +<span id="1796">1796</span> +<span id="1797">1797</span> +<span id="1798">1798</span> +<span id="1799">1799</span> +<span id="1800">1800</span> +<span id="1801">1801</span> +<span id="1802">1802</span> +<span id="1803">1803</span> +<span id="1804">1804</span> +<span id="1805">1805</span> +<span id="1806">1806</span> +<span id="1807">1807</span> +<span id="1808">1808</span> +<span id="1809">1809</span> +<span id="1810">1810</span> +<span id="1811">1811</span> +<span id="1812">1812</span> +<span id="1813">1813</span> +<span id="1814">1814</span> +<span id="1815">1815</span> +<span id="1816">1816</span> +<span id="1817">1817</span> +<span id="1818">1818</span> +<span id="1819">1819</span> +<span id="1820">1820</span> +<span id="1821">1821</span> +<span id="1822">1822</span> +<span id="1823">1823</span> +<span id="1824">1824</span> +<span id="1825">1825</span> +<span id="1826">1826</span> +<span id="1827">1827</span> +<span id="1828">1828</span> +<span id="1829">1829</span> +</pre><pre class="rust"><code><span class="kw">pub type </span>sa_family_t = u16; +<span class="kw">pub type </span>speed_t = ::c_uint; +<span class="kw">pub type </span>tcflag_t = ::c_uint; +<span class="kw">pub type </span>clockid_t = ::c_int; +<span class="kw">pub type </span>timer_t = <span class="kw-2">*mut </span>::c_void; +<span class="kw">pub type </span>key_t = ::c_int; +<span class="kw">pub type </span>id_t = ::c_uint; + +<span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug))] +</span><span class="kw">pub enum </span>timezone {} +<span class="kw">impl </span>::Copy <span class="kw">for </span>timezone {} +<span class="kw">impl </span>::Clone <span class="kw">for </span>timezone { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> timezone { + <span class="kw-2">*</span><span class="self">self + </span>} +} + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>in_addr { + <span class="kw">pub </span>s_addr: ::in_addr_t, + } + + <span class="kw">pub struct </span>ip_mreq { + <span class="kw">pub </span>imr_multiaddr: in_addr, + <span class="kw">pub </span>imr_interface: in_addr, + } + + <span class="kw">pub struct </span>ip_mreqn { + <span class="kw">pub </span>imr_multiaddr: in_addr, + <span class="kw">pub </span>imr_address: in_addr, + <span class="kw">pub </span>imr_ifindex: ::c_int, + } + + <span class="kw">pub struct </span>ip_mreq_source { + <span class="kw">pub </span>imr_multiaddr: in_addr, + <span class="kw">pub </span>imr_interface: in_addr, + <span class="kw">pub </span>imr_sourceaddr: in_addr, + } + + <span class="kw">pub struct </span>sockaddr { + <span class="kw">pub </span>sa_family: sa_family_t, + <span class="kw">pub </span>sa_data: [::c_char; <span class="number">14</span>], + } + + <span class="kw">pub struct </span>sockaddr_in { + <span class="kw">pub </span>sin_family: sa_family_t, + <span class="kw">pub </span>sin_port: ::in_port_t, + <span class="kw">pub </span>sin_addr: ::in_addr, + <span class="kw">pub </span>sin_zero: [u8; <span class="number">8</span>], + } + + <span class="kw">pub struct </span>sockaddr_in6 { + <span class="kw">pub </span>sin6_family: sa_family_t, + <span class="kw">pub </span>sin6_port: ::in_port_t, + <span class="kw">pub </span>sin6_flowinfo: u32, + <span class="kw">pub </span>sin6_addr: ::in6_addr, + <span class="kw">pub </span>sin6_scope_id: u32, + } + + <span class="comment">// The order of the `ai_addr` field in this struct is crucial + // for converting between the Rust and C types. + </span><span class="kw">pub struct </span>addrinfo { + <span class="kw">pub </span>ai_flags: ::c_int, + <span class="kw">pub </span>ai_family: ::c_int, + <span class="kw">pub </span>ai_socktype: ::c_int, + <span class="kw">pub </span>ai_protocol: ::c_int, + <span class="kw">pub </span>ai_addrlen: socklen_t, + + <span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, + target_os = <span class="string">"emscripten"</span>))] + </span><span class="kw">pub </span>ai_addr: <span class="kw-2">*mut </span>::sockaddr, + + <span class="kw">pub </span>ai_canonname: <span class="kw-2">*mut </span>c_char, + + <span class="attribute">#[cfg(target_os = <span class="string">"android"</span>)] + </span><span class="kw">pub </span>ai_addr: <span class="kw-2">*mut </span>::sockaddr, + + <span class="kw">pub </span>ai_next: <span class="kw-2">*mut </span>addrinfo, + } + + <span class="kw">pub struct </span>sockaddr_ll { + <span class="kw">pub </span>sll_family: ::c_ushort, + <span class="kw">pub </span>sll_protocol: ::c_ushort, + <span class="kw">pub </span>sll_ifindex: ::c_int, + <span class="kw">pub </span>sll_hatype: ::c_ushort, + <span class="kw">pub </span>sll_pkttype: ::c_uchar, + <span class="kw">pub </span>sll_halen: ::c_uchar, + <span class="kw">pub </span>sll_addr: [::c_uchar; <span class="number">8</span>] + } + + <span class="kw">pub struct </span>fd_set { + fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE], + } + + <span class="kw">pub struct </span>tm { + <span class="kw">pub </span>tm_sec: ::c_int, + <span class="kw">pub </span>tm_min: ::c_int, + <span class="kw">pub </span>tm_hour: ::c_int, + <span class="kw">pub </span>tm_mday: ::c_int, + <span class="kw">pub </span>tm_mon: ::c_int, + <span class="kw">pub </span>tm_year: ::c_int, + <span class="kw">pub </span>tm_wday: ::c_int, + <span class="kw">pub </span>tm_yday: ::c_int, + <span class="kw">pub </span>tm_isdst: ::c_int, + <span class="kw">pub </span>tm_gmtoff: ::c_long, + <span class="kw">pub </span>tm_zone: <span class="kw-2">*const </span>::c_char, + } + + <span class="kw">pub struct </span>sched_param { + <span class="kw">pub </span>sched_priority: ::c_int, + <span class="attribute">#[cfg(any(target_env = <span class="string">"musl"</span>, target_os = <span class="string">"emscripten"</span>))] + </span><span class="kw">pub </span>sched_ss_low_priority: ::c_int, + <span class="attribute">#[cfg(any(target_env = <span class="string">"musl"</span>, target_os = <span class="string">"emscripten"</span>))] + </span><span class="kw">pub </span>sched_ss_repl_period: ::timespec, + <span class="attribute">#[cfg(any(target_env = <span class="string">"musl"</span>, target_os = <span class="string">"emscripten"</span>))] + </span><span class="kw">pub </span>sched_ss_init_budget: ::timespec, + <span class="attribute">#[cfg(any(target_env = <span class="string">"musl"</span>, target_os = <span class="string">"emscripten"</span>))] + </span><span class="kw">pub </span>sched_ss_max_repl: ::c_int, + } + + <span class="kw">pub struct </span>Dl_info { + <span class="kw">pub </span>dli_fname: <span class="kw-2">*const </span>::c_char, + <span class="kw">pub </span>dli_fbase: <span class="kw-2">*mut </span>::c_void, + <span class="kw">pub </span>dli_sname: <span class="kw-2">*const </span>::c_char, + <span class="kw">pub </span>dli_saddr: <span class="kw-2">*mut </span>::c_void, + } + + <span class="kw">pub struct </span>lconv { + <span class="kw">pub </span>decimal_point: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>thousands_sep: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>grouping: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>int_curr_symbol: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>currency_symbol: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mon_decimal_point: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mon_thousands_sep: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>mon_grouping: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>positive_sign: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>negative_sign: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>int_frac_digits: ::c_char, + <span class="kw">pub </span>frac_digits: ::c_char, + <span class="kw">pub </span>p_cs_precedes: ::c_char, + <span class="kw">pub </span>p_sep_by_space: ::c_char, + <span class="kw">pub </span>n_cs_precedes: ::c_char, + <span class="kw">pub </span>n_sep_by_space: ::c_char, + <span class="kw">pub </span>p_sign_posn: ::c_char, + <span class="kw">pub </span>n_sign_posn: ::c_char, + <span class="kw">pub </span>int_p_cs_precedes: ::c_char, + <span class="kw">pub </span>int_p_sep_by_space: ::c_char, + <span class="kw">pub </span>int_n_cs_precedes: ::c_char, + <span class="kw">pub </span>int_n_sep_by_space: ::c_char, + <span class="kw">pub </span>int_p_sign_posn: ::c_char, + <span class="kw">pub </span>int_n_sign_posn: ::c_char, + } + + <span class="kw">pub struct </span>in_pktinfo { + <span class="kw">pub </span>ipi_ifindex: ::c_int, + <span class="kw">pub </span>ipi_spec_dst: ::in_addr, + <span class="kw">pub </span>ipi_addr: ::in_addr, + } + + <span class="kw">pub struct </span>ifaddrs { + <span class="kw">pub </span>ifa_next: <span class="kw-2">*mut </span>ifaddrs, + <span class="kw">pub </span>ifa_name: <span class="kw-2">*mut </span>c_char, + <span class="kw">pub </span>ifa_flags: ::c_uint, + <span class="kw">pub </span>ifa_addr: <span class="kw-2">*mut </span>::sockaddr, + <span class="kw">pub </span>ifa_netmask: <span class="kw-2">*mut </span>::sockaddr, + <span class="kw">pub </span>ifa_ifu: <span class="kw-2">*mut </span>::sockaddr, <span class="comment">// FIXME This should be a union + </span><span class="kw">pub </span>ifa_data: <span class="kw-2">*mut </span>::c_void + } + + <span class="kw">pub struct </span>in6_rtmsg { + rtmsg_dst: ::in6_addr, + rtmsg_src: ::in6_addr, + rtmsg_gateway: ::in6_addr, + rtmsg_type: u32, + rtmsg_dst_len: u16, + rtmsg_src_len: u16, + rtmsg_metric: u32, + rtmsg_info: ::c_ulong, + rtmsg_flags: u32, + rtmsg_ifindex: ::c_int, + } + + <span class="kw">pub struct </span>arpreq { + <span class="kw">pub </span>arp_pa: ::sockaddr, + <span class="kw">pub </span>arp_ha: ::sockaddr, + <span class="kw">pub </span>arp_flags: ::c_int, + <span class="kw">pub </span>arp_netmask: ::sockaddr, + <span class="kw">pub </span>arp_dev: [::c_char; <span class="number">16</span>], + } + + <span class="kw">pub struct </span>arpreq_old { + <span class="kw">pub </span>arp_pa: ::sockaddr, + <span class="kw">pub </span>arp_ha: ::sockaddr, + <span class="kw">pub </span>arp_flags: ::c_int, + <span class="kw">pub </span>arp_netmask: ::sockaddr, + } + + <span class="kw">pub struct </span>arphdr { + <span class="kw">pub </span>ar_hrd: u16, + <span class="kw">pub </span>ar_pro: u16, + <span class="kw">pub </span>ar_hln: u8, + <span class="kw">pub </span>ar_pln: u8, + <span class="kw">pub </span>ar_op: u16, + } + + <span class="kw">pub struct </span>mmsghdr { + <span class="kw">pub </span>msg_hdr: ::msghdr, + <span class="kw">pub </span>msg_len: ::c_uint, + } +} + +<span class="macro">s_no_extra_traits! </span>{ + <span class="attribute">#[cfg_attr( + any( + all( + target_arch = <span class="string">"x86"</span>, + not(target_env = <span class="string">"musl"</span>), + not(target_os = <span class="string">"android"</span>)), + target_arch = <span class="string">"x86_64"</span>), + repr(packed))] + </span><span class="kw">pub struct </span>epoll_event { + <span class="kw">pub </span>events: u32, + <span class="kw">pub </span>u64: u64, + } + + <span class="kw">pub struct </span>sockaddr_un { + <span class="kw">pub </span>sun_family: sa_family_t, + <span class="kw">pub </span>sun_path: [::c_char; <span class="number">108</span>] + } + + <span class="kw">pub struct </span>sockaddr_storage { + <span class="kw">pub </span>ss_family: sa_family_t, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__ss_pad2: [u8; <span class="number">128 </span>- <span class="number">2 </span>- <span class="number">4</span>], + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span>__ss_pad2: [u8; <span class="number">128 </span>- <span class="number">2 </span>- <span class="number">8</span>], + __ss_align: ::size_t, + } + + <span class="kw">pub struct </span>utsname { + <span class="kw">pub </span>sysname: [::c_char; <span class="number">65</span>], + <span class="kw">pub </span>nodename: [::c_char; <span class="number">65</span>], + <span class="kw">pub </span>release: [::c_char; <span class="number">65</span>], + <span class="kw">pub </span>version: [::c_char; <span class="number">65</span>], + <span class="kw">pub </span>machine: [::c_char; <span class="number">65</span>], + <span class="kw">pub </span>domainname: [::c_char; <span class="number">65</span>] + } + + <span class="kw">pub struct </span>sigevent { + <span class="kw">pub </span>sigev_value: ::sigval, + <span class="kw">pub </span>sigev_signo: ::c_int, + <span class="kw">pub </span>sigev_notify: ::c_int, + <span class="comment">// Actually a union. We only expose sigev_notify_thread_id because it's + // the most useful member + </span><span class="kw">pub </span>sigev_notify_thread_id: ::c_int, + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span>__unused1: [::c_int; <span class="number">11</span>], + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] + </span>__unused1: [::c_int; <span class="number">12</span>] + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"extra_traits"</span>)] </span>{ + <span class="kw">impl </span>PartialEq <span class="kw">for </span>epoll_event { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>epoll_event) -> bool { + <span class="self">self</span>.events == other.events + && <span class="self">self</span>.u64 == other.u64 + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>epoll_event {} + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>epoll_event { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + <span class="kw">let </span>events = <span class="self">self</span>.events; + <span class="kw">let </span>u64 = <span class="self">self</span>.u64; + f.debug_struct(<span class="string">"epoll_event"</span>) + .field(<span class="string">"events"</span>, <span class="kw-2">&</span>events) + .field(<span class="string">"u64"</span>, <span class="kw-2">&</span>u64) + .finish() + } + } + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>epoll_event { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="kw">let </span>events = <span class="self">self</span>.events; + <span class="kw">let </span>u64 = <span class="self">self</span>.u64; + events.hash(state); + u64.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>sockaddr_un { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>sockaddr_un) -> bool { + <span class="self">self</span>.sun_family == other.sun_family + && <span class="self">self + </span>.sun_path + .iter() + .zip(other.sun_path.iter()) + .all(|(a, b)| a == b) + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>sockaddr_un {} + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>sockaddr_un { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"sockaddr_un"</span>) + .field(<span class="string">"sun_family"</span>, <span class="kw-2">&</span><span class="self">self</span>.sun_family) + <span class="comment">// FIXME: .field("sun_path", &self.sun_path) + </span>.finish() + } + } + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>sockaddr_un { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.sun_family.hash(state); + <span class="self">self</span>.sun_path.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>sockaddr_storage { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>sockaddr_storage) -> bool { + <span class="self">self</span>.ss_family == other.ss_family + && <span class="self">self + </span>.__ss_pad2 + .iter() + .zip(other.__ss_pad2.iter()) + .all(|(a, b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>sockaddr_storage {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>sockaddr_storage { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"sockaddr_storage"</span>) + .field(<span class="string">"ss_family"</span>, <span class="kw-2">&</span><span class="self">self</span>.ss_family) + .field(<span class="string">"__ss_align"</span>, <span class="kw-2">&</span><span class="self">self</span>.__ss_align) + <span class="comment">// FIXME: .field("__ss_pad2", &self.__ss_pad2) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>sockaddr_storage { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.ss_family.hash(state); + <span class="self">self</span>.__ss_pad2.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>utsname { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>utsname) -> bool { + <span class="self">self</span>.sysname + .iter() + .zip(other.sysname.iter()) + .all(|(a, b)| a == b) + && <span class="self">self + </span>.nodename + .iter() + .zip(other.nodename.iter()) + .all(|(a, b)| a == b) + && <span class="self">self + </span>.release + .iter() + .zip(other.release.iter()) + .all(|(a, b)| a == b) + && <span class="self">self + </span>.version + .iter() + .zip(other.version.iter()) + .all(|(a, b)| a == b) + && <span class="self">self + </span>.machine + .iter() + .zip(other.machine.iter()) + .all(|(a, b)| a == b) + && <span class="self">self + </span>.domainname + .iter() + .zip(other.domainname.iter()) + .all(|(a, b)| a == b) + } + } + + <span class="kw">impl </span>Eq <span class="kw">for </span>utsname {} + + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>utsname { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"utsname"</span>) + <span class="comment">// FIXME: .field("sysname", &self.sysname) + // FIXME: .field("nodename", &self.nodename) + // FIXME: .field("release", &self.release) + // FIXME: .field("version", &self.version) + // FIXME: .field("machine", &self.machine) + // FIXME: .field("domainname", &self.domainname) + </span>.finish() + } + } + + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>utsname { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.sysname.hash(state); + <span class="self">self</span>.nodename.hash(state); + <span class="self">self</span>.release.hash(state); + <span class="self">self</span>.version.hash(state); + <span class="self">self</span>.machine.hash(state); + <span class="self">self</span>.domainname.hash(state); + } + } + + <span class="kw">impl </span>PartialEq <span class="kw">for </span>sigevent { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>sigevent) -> bool { + <span class="self">self</span>.sigev_value == other.sigev_value + && <span class="self">self</span>.sigev_signo == other.sigev_signo + && <span class="self">self</span>.sigev_notify == other.sigev_notify + && <span class="self">self</span>.sigev_notify_thread_id + == other.sigev_notify_thread_id + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span>sigevent {} + <span class="kw">impl </span>::fmt::Debug <span class="kw">for </span>sigevent { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>::fmt::Formatter) -> ::fmt::Result { + f.debug_struct(<span class="string">"sigevent"</span>) + .field(<span class="string">"sigev_value"</span>, <span class="kw-2">&</span><span class="self">self</span>.sigev_value) + .field(<span class="string">"sigev_signo"</span>, <span class="kw-2">&</span><span class="self">self</span>.sigev_signo) + .field(<span class="string">"sigev_notify"</span>, <span class="kw-2">&</span><span class="self">self</span>.sigev_notify) + .field(<span class="string">"sigev_notify_thread_id"</span>, + <span class="kw-2">&</span><span class="self">self</span>.sigev_notify_thread_id) + .finish() + } + } + <span class="kw">impl </span>::hash::Hash <span class="kw">for </span>sigevent { + <span class="kw">fn </span>hash<H: ::hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { + <span class="self">self</span>.sigev_value.hash(state); + <span class="self">self</span>.sigev_signo.hash(state); + <span class="self">self</span>.sigev_notify.hash(state); + <span class="self">self</span>.sigev_notify_thread_id.hash(state); + } + } + } +} + +<span class="comment">// intentionally not public, only used for fd_set +</span><span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] </span>{ + <span class="kw">const </span>ULONG_SIZE: usize = <span class="number">32</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] </span>{ + <span class="kw">const </span>ULONG_SIZE: usize = <span class="number">64</span>; + } <span class="kw">else </span>{ + <span class="comment">// Unknown target_pointer_width + </span>} +} + +<span class="kw">pub const </span>EXIT_FAILURE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>EXIT_SUCCESS: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>RAND_MAX: ::c_int = <span class="number">2147483647</span>; +<span class="kw">pub const </span>EOF: ::c_int = -<span class="number">1</span>; +<span class="kw">pub const </span>SEEK_SET: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SEEK_CUR: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SEEK_END: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>_IOFBF: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>_IONBF: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>_IOLBF: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>F_DUPFD: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>F_GETFD: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>F_SETFD: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>F_GETFL: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>F_SETFL: ::c_int = <span class="number">4</span>; + +<span class="comment">// Linux-specific fcntls +</span><span class="kw">pub const </span>F_SETLEASE: ::c_int = <span class="number">1024</span>; +<span class="kw">pub const </span>F_GETLEASE: ::c_int = <span class="number">1025</span>; +<span class="kw">pub const </span>F_NOTIFY: ::c_int = <span class="number">1026</span>; +<span class="kw">pub const </span>F_CANCELLK: ::c_int = <span class="number">1029</span>; +<span class="kw">pub const </span>F_DUPFD_CLOEXEC: ::c_int = <span class="number">1030</span>; +<span class="kw">pub const </span>F_SETPIPE_SZ: ::c_int = <span class="number">1031</span>; +<span class="kw">pub const </span>F_GETPIPE_SZ: ::c_int = <span class="number">1032</span>; +<span class="kw">pub const </span>F_ADD_SEALS: ::c_int = <span class="number">1033</span>; +<span class="kw">pub const </span>F_GET_SEALS: ::c_int = <span class="number">1034</span>; + +<span class="kw">pub const </span>F_SEAL_SEAL: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>F_SEAL_SHRINK: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>F_SEAL_GROW: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>F_SEAL_WRITE: ::c_int = <span class="number">0x0008</span>; + +<span class="comment">// FIXME(#235): Include file sealing fcntls once we have a way to verify them. + +</span><span class="kw">pub const </span>SIGTRAP: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>PTHREAD_CREATE_JOINABLE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PTHREAD_CREATE_DETACHED: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>CLOCK_REALTIME: ::clockid_t = <span class="number">0</span>; +<span class="kw">pub const </span>CLOCK_MONOTONIC: ::clockid_t = <span class="number">1</span>; +<span class="kw">pub const </span>CLOCK_PROCESS_CPUTIME_ID: ::clockid_t = <span class="number">2</span>; +<span class="kw">pub const </span>CLOCK_THREAD_CPUTIME_ID: ::clockid_t = <span class="number">3</span>; +<span class="kw">pub const </span>CLOCK_MONOTONIC_RAW: ::clockid_t = <span class="number">4</span>; +<span class="kw">pub const </span>CLOCK_REALTIME_COARSE: ::clockid_t = <span class="number">5</span>; +<span class="kw">pub const </span>CLOCK_MONOTONIC_COARSE: ::clockid_t = <span class="number">6</span>; +<span class="kw">pub const </span>CLOCK_BOOTTIME: ::clockid_t = <span class="number">7</span>; +<span class="kw">pub const </span>CLOCK_REALTIME_ALARM: ::clockid_t = <span class="number">8</span>; +<span class="kw">pub const </span>CLOCK_BOOTTIME_ALARM: ::clockid_t = <span class="number">9</span>; +<span class="kw">pub const </span>CLOCK_TAI: ::clockid_t = <span class="number">11</span>; +<span class="kw">pub const </span>TIMER_ABSTIME: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>RUSAGE_SELF: ::c_int = <span class="number">0</span>; + +<span class="kw">pub const </span>O_RDONLY: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>O_WRONLY: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>O_RDWR: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>SOCK_CLOEXEC: ::c_int = O_CLOEXEC; + +<span class="kw">pub const </span>S_IFIFO: ::mode_t = <span class="number">4096</span>; +<span class="kw">pub const </span>S_IFCHR: ::mode_t = <span class="number">8192</span>; +<span class="kw">pub const </span>S_IFBLK: ::mode_t = <span class="number">24576</span>; +<span class="kw">pub const </span>S_IFDIR: ::mode_t = <span class="number">16384</span>; +<span class="kw">pub const </span>S_IFREG: ::mode_t = <span class="number">32768</span>; +<span class="kw">pub const </span>S_IFLNK: ::mode_t = <span class="number">40960</span>; +<span class="kw">pub const </span>S_IFSOCK: ::mode_t = <span class="number">49152</span>; +<span class="kw">pub const </span>S_IFMT: ::mode_t = <span class="number">61440</span>; +<span class="kw">pub const </span>S_IRWXU: ::mode_t = <span class="number">448</span>; +<span class="kw">pub const </span>S_IXUSR: ::mode_t = <span class="number">64</span>; +<span class="kw">pub const </span>S_IWUSR: ::mode_t = <span class="number">128</span>; +<span class="kw">pub const </span>S_IRUSR: ::mode_t = <span class="number">256</span>; +<span class="kw">pub const </span>S_IRWXG: ::mode_t = <span class="number">56</span>; +<span class="kw">pub const </span>S_IXGRP: ::mode_t = <span class="number">8</span>; +<span class="kw">pub const </span>S_IWGRP: ::mode_t = <span class="number">16</span>; +<span class="kw">pub const </span>S_IRGRP: ::mode_t = <span class="number">32</span>; +<span class="kw">pub const </span>S_IRWXO: ::mode_t = <span class="number">7</span>; +<span class="kw">pub const </span>S_IXOTH: ::mode_t = <span class="number">1</span>; +<span class="kw">pub const </span>S_IWOTH: ::mode_t = <span class="number">2</span>; +<span class="kw">pub const </span>S_IROTH: ::mode_t = <span class="number">4</span>; +<span class="kw">pub const </span>F_OK: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>R_OK: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>W_OK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>X_OK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>STDIN_FILENO: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>STDOUT_FILENO: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>STDERR_FILENO: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SIGHUP: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SIGINT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>SIGQUIT: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SIGILL: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>SIGABRT: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>SIGFPE: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>SIGKILL: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>SIGSEGV: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>SIGPIPE: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>SIGALRM: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>SIGTERM: ::c_int = <span class="number">15</span>; + +<span class="kw">pub const </span>PROT_NONE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>PROT_READ: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PROT_WRITE: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PROT_EXEC: ::c_int = <span class="number">4</span>; + +<span class="kw">pub const </span>XATTR_CREATE: ::c_int = <span class="number">0x1</span>; +<span class="kw">pub const </span>XATTR_REPLACE: ::c_int = <span class="number">0x2</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] </span>{ + <span class="kw">pub const </span>LC_CTYPE: ::c_int = <span class="number">0</span>; + <span class="kw">pub const </span>LC_NUMERIC: ::c_int = <span class="number">1</span>; + <span class="kw">pub const </span>LC_TIME: ::c_int = <span class="number">2</span>; + <span class="kw">pub const </span>LC_COLLATE: ::c_int = <span class="number">3</span>; + <span class="kw">pub const </span>LC_MONETARY: ::c_int = <span class="number">4</span>; + <span class="kw">pub const </span>LC_MESSAGES: ::c_int = <span class="number">5</span>; + <span class="kw">pub const </span>LC_ALL: ::c_int = <span class="number">6</span>; + } +} + +<span class="kw">pub const </span>LC_CTYPE_MASK: ::c_int = <span class="number">1 </span><< LC_CTYPE; +<span class="kw">pub const </span>LC_NUMERIC_MASK: ::c_int = <span class="number">1 </span><< LC_NUMERIC; +<span class="kw">pub const </span>LC_TIME_MASK: ::c_int = <span class="number">1 </span><< LC_TIME; +<span class="kw">pub const </span>LC_COLLATE_MASK: ::c_int = <span class="number">1 </span><< LC_COLLATE; +<span class="kw">pub const </span>LC_MONETARY_MASK: ::c_int = <span class="number">1 </span><< LC_MONETARY; +<span class="kw">pub const </span>LC_MESSAGES_MASK: ::c_int = <span class="number">1 </span><< LC_MESSAGES; +<span class="comment">// LC_ALL_MASK defined per platform + +</span><span class="kw">pub const </span>MAP_FILE: ::c_int = <span class="number">0x0000</span>; +<span class="kw">pub const </span>MAP_SHARED: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>MAP_PRIVATE: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>MAP_FIXED: ::c_int = <span class="number">0x0010</span>; + +<span class="kw">pub const </span>MAP_FAILED: <span class="kw-2">*mut </span>::c_void = !<span class="number">0 </span><span class="kw">as </span><span class="kw-2">*mut </span>::c_void; + +<span class="comment">// MS_ flags for msync(2) +</span><span class="kw">pub const </span>MS_ASYNC: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>MS_INVALIDATE: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>MS_SYNC: ::c_int = <span class="number">0x0004</span>; + +<span class="comment">// MS_ flags for mount(2) +</span><span class="kw">pub const </span>MS_RDONLY: ::c_ulong = <span class="number">0x01</span>; +<span class="kw">pub const </span>MS_NOSUID: ::c_ulong = <span class="number">0x02</span>; +<span class="kw">pub const </span>MS_NODEV: ::c_ulong = <span class="number">0x04</span>; +<span class="kw">pub const </span>MS_NOEXEC: ::c_ulong = <span class="number">0x08</span>; +<span class="kw">pub const </span>MS_SYNCHRONOUS: ::c_ulong = <span class="number">0x10</span>; +<span class="kw">pub const </span>MS_REMOUNT: ::c_ulong = <span class="number">0x20</span>; +<span class="kw">pub const </span>MS_MANDLOCK: ::c_ulong = <span class="number">0x40</span>; +<span class="kw">pub const </span>MS_DIRSYNC: ::c_ulong = <span class="number">0x80</span>; +<span class="kw">pub const </span>MS_NOATIME: ::c_ulong = <span class="number">0x0400</span>; +<span class="kw">pub const </span>MS_NODIRATIME: ::c_ulong = <span class="number">0x0800</span>; +<span class="kw">pub const </span>MS_BIND: ::c_ulong = <span class="number">0x1000</span>; +<span class="kw">pub const </span>MS_MOVE: ::c_ulong = <span class="number">0x2000</span>; +<span class="kw">pub const </span>MS_REC: ::c_ulong = <span class="number">0x4000</span>; +<span class="kw">pub const </span>MS_SILENT: ::c_ulong = <span class="number">0x8000</span>; +<span class="kw">pub const </span>MS_POSIXACL: ::c_ulong = <span class="number">0x010000</span>; +<span class="kw">pub const </span>MS_UNBINDABLE: ::c_ulong = <span class="number">0x020000</span>; +<span class="kw">pub const </span>MS_PRIVATE: ::c_ulong = <span class="number">0x040000</span>; +<span class="kw">pub const </span>MS_SLAVE: ::c_ulong = <span class="number">0x080000</span>; +<span class="kw">pub const </span>MS_SHARED: ::c_ulong = <span class="number">0x100000</span>; +<span class="kw">pub const </span>MS_RELATIME: ::c_ulong = <span class="number">0x200000</span>; +<span class="kw">pub const </span>MS_KERNMOUNT: ::c_ulong = <span class="number">0x400000</span>; +<span class="kw">pub const </span>MS_I_VERSION: ::c_ulong = <span class="number">0x800000</span>; +<span class="kw">pub const </span>MS_STRICTATIME: ::c_ulong = <span class="number">0x1000000</span>; +<span class="kw">pub const </span>MS_LAZYTIME: ::c_ulong = <span class="number">0x2000000</span>; +<span class="kw">pub const </span>MS_ACTIVE: ::c_ulong = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>MS_MGC_VAL: ::c_ulong = <span class="number">0xc0ed0000</span>; +<span class="kw">pub const </span>MS_MGC_MSK: ::c_ulong = <span class="number">0xffff0000</span>; + +<span class="kw">pub const </span>SCM_RIGHTS: ::c_int = <span class="number">0x01</span>; +<span class="kw">pub const </span>SCM_CREDENTIALS: ::c_int = <span class="number">0x02</span>; + +<span class="kw">pub const </span>PROT_GROWSDOWN: ::c_int = <span class="number">0x1000000</span>; +<span class="kw">pub const </span>PROT_GROWSUP: ::c_int = <span class="number">0x2000000</span>; + +<span class="kw">pub const </span>MAP_TYPE: ::c_int = <span class="number">0x000f</span>; + +<span class="kw">pub const </span>MADV_NORMAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>MADV_RANDOM: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>MADV_SEQUENTIAL: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>MADV_WILLNEED: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>MADV_DONTNEED: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>MADV_FREE: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>MADV_REMOVE: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>MADV_DONTFORK: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>MADV_DOFORK: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>MADV_MERGEABLE: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>MADV_UNMERGEABLE: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>MADV_HUGEPAGE: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>MADV_NOHUGEPAGE: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>MADV_DONTDUMP: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>MADV_DODUMP: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>MADV_HWPOISON: ::c_int = <span class="number">100</span>; + +<span class="kw">pub const </span>IFF_UP: ::c_int = <span class="number">0x1</span>; +<span class="kw">pub const </span>IFF_BROADCAST: ::c_int = <span class="number">0x2</span>; +<span class="kw">pub const </span>IFF_DEBUG: ::c_int = <span class="number">0x4</span>; +<span class="kw">pub const </span>IFF_LOOPBACK: ::c_int = <span class="number">0x8</span>; +<span class="kw">pub const </span>IFF_POINTOPOINT: ::c_int = <span class="number">0x10</span>; +<span class="kw">pub const </span>IFF_NOTRAILERS: ::c_int = <span class="number">0x20</span>; +<span class="kw">pub const </span>IFF_RUNNING: ::c_int = <span class="number">0x40</span>; +<span class="kw">pub const </span>IFF_NOARP: ::c_int = <span class="number">0x80</span>; +<span class="kw">pub const </span>IFF_PROMISC: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>IFF_ALLMULTI: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>IFF_MASTER: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>IFF_SLAVE: ::c_int = <span class="number">0x800</span>; +<span class="kw">pub const </span>IFF_MULTICAST: ::c_int = <span class="number">0x1000</span>; +<span class="kw">pub const </span>IFF_PORTSEL: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>IFF_AUTOMEDIA: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>IFF_DYNAMIC: ::c_int = <span class="number">0x8000</span>; + +<span class="kw">pub const </span>SOL_IP: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SOL_TCP: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>SOL_UDP: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>SOL_IPV6: ::c_int = <span class="number">41</span>; +<span class="kw">pub const </span>SOL_ICMPV6: ::c_int = <span class="number">58</span>; +<span class="kw">pub const </span>SOL_RAW: ::c_int = <span class="number">255</span>; +<span class="kw">pub const </span>SOL_DECNET: ::c_int = <span class="number">261</span>; +<span class="kw">pub const </span>SOL_X25: ::c_int = <span class="number">262</span>; +<span class="kw">pub const </span>SOL_PACKET: ::c_int = <span class="number">263</span>; +<span class="kw">pub const </span>SOL_ATM: ::c_int = <span class="number">264</span>; +<span class="kw">pub const </span>SOL_AAL: ::c_int = <span class="number">265</span>; +<span class="kw">pub const </span>SOL_IRDA: ::c_int = <span class="number">266</span>; +<span class="kw">pub const </span>SOL_NETBEUI: ::c_int = <span class="number">267</span>; +<span class="kw">pub const </span>SOL_LLC: ::c_int = <span class="number">268</span>; +<span class="kw">pub const </span>SOL_DCCP: ::c_int = <span class="number">269</span>; +<span class="kw">pub const </span>SOL_NETLINK: ::c_int = <span class="number">270</span>; +<span class="kw">pub const </span>SOL_TIPC: ::c_int = <span class="number">271</span>; +<span class="kw">pub const </span>SOL_BLUETOOTH: ::c_int = <span class="number">274</span>; +<span class="kw">pub const </span>SOL_ALG: ::c_int = <span class="number">279</span>; + +<span class="kw">pub const </span>AF_UNSPEC: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>AF_UNIX: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>AF_LOCAL: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>AF_INET: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>AF_AX25: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>AF_IPX: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>AF_APPLETALK: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>AF_NETROM: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>AF_BRIDGE: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>AF_ATMPVC: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>AF_X25: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>AF_INET6: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>AF_ROSE: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>AF_DECnet: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>AF_NETBEUI: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>AF_SECURITY: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>AF_KEY: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>AF_NETLINK: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>AF_ROUTE: ::c_int = AF_NETLINK; +<span class="kw">pub const </span>AF_PACKET: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>AF_ASH: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>AF_ECONET: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>AF_ATMSVC: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>AF_RDS: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>AF_SNA: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>AF_IRDA: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>AF_PPPOX: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>AF_WANPIPE: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>AF_LLC: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>AF_CAN: ::c_int = <span class="number">29</span>; +<span class="kw">pub const </span>AF_TIPC: ::c_int = <span class="number">30</span>; +<span class="kw">pub const </span>AF_BLUETOOTH: ::c_int = <span class="number">31</span>; +<span class="kw">pub const </span>AF_IUCV: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>AF_RXRPC: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>AF_ISDN: ::c_int = <span class="number">34</span>; +<span class="kw">pub const </span>AF_PHONET: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>AF_IEEE802154: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>AF_CAIF: ::c_int = <span class="number">37</span>; +<span class="kw">pub const </span>AF_ALG: ::c_int = <span class="number">38</span>; + +<span class="kw">pub const </span>PF_UNSPEC: ::c_int = AF_UNSPEC; +<span class="kw">pub const </span>PF_UNIX: ::c_int = AF_UNIX; +<span class="kw">pub const </span>PF_LOCAL: ::c_int = AF_LOCAL; +<span class="kw">pub const </span>PF_INET: ::c_int = AF_INET; +<span class="kw">pub const </span>PF_AX25: ::c_int = AF_AX25; +<span class="kw">pub const </span>PF_IPX: ::c_int = AF_IPX; +<span class="kw">pub const </span>PF_APPLETALK: ::c_int = AF_APPLETALK; +<span class="kw">pub const </span>PF_NETROM: ::c_int = AF_NETROM; +<span class="kw">pub const </span>PF_BRIDGE: ::c_int = AF_BRIDGE; +<span class="kw">pub const </span>PF_ATMPVC: ::c_int = AF_ATMPVC; +<span class="kw">pub const </span>PF_X25: ::c_int = AF_X25; +<span class="kw">pub const </span>PF_INET6: ::c_int = AF_INET6; +<span class="kw">pub const </span>PF_ROSE: ::c_int = AF_ROSE; +<span class="kw">pub const </span>PF_DECnet: ::c_int = AF_DECnet; +<span class="kw">pub const </span>PF_NETBEUI: ::c_int = AF_NETBEUI; +<span class="kw">pub const </span>PF_SECURITY: ::c_int = AF_SECURITY; +<span class="kw">pub const </span>PF_KEY: ::c_int = AF_KEY; +<span class="kw">pub const </span>PF_NETLINK: ::c_int = AF_NETLINK; +<span class="kw">pub const </span>PF_ROUTE: ::c_int = AF_ROUTE; +<span class="kw">pub const </span>PF_PACKET: ::c_int = AF_PACKET; +<span class="kw">pub const </span>PF_ASH: ::c_int = AF_ASH; +<span class="kw">pub const </span>PF_ECONET: ::c_int = AF_ECONET; +<span class="kw">pub const </span>PF_ATMSVC: ::c_int = AF_ATMSVC; +<span class="kw">pub const </span>PF_RDS: ::c_int = AF_RDS; +<span class="kw">pub const </span>PF_SNA: ::c_int = AF_SNA; +<span class="kw">pub const </span>PF_IRDA: ::c_int = AF_IRDA; +<span class="kw">pub const </span>PF_PPPOX: ::c_int = AF_PPPOX; +<span class="kw">pub const </span>PF_WANPIPE: ::c_int = AF_WANPIPE; +<span class="kw">pub const </span>PF_LLC: ::c_int = AF_LLC; +<span class="kw">pub const </span>PF_CAN: ::c_int = AF_CAN; +<span class="kw">pub const </span>PF_TIPC: ::c_int = AF_TIPC; +<span class="kw">pub const </span>PF_BLUETOOTH: ::c_int = AF_BLUETOOTH; +<span class="kw">pub const </span>PF_IUCV: ::c_int = AF_IUCV; +<span class="kw">pub const </span>PF_RXRPC: ::c_int = AF_RXRPC; +<span class="kw">pub const </span>PF_ISDN: ::c_int = AF_ISDN; +<span class="kw">pub const </span>PF_PHONET: ::c_int = AF_PHONET; +<span class="kw">pub const </span>PF_IEEE802154: ::c_int = AF_IEEE802154; +<span class="kw">pub const </span>PF_CAIF: ::c_int = AF_CAIF; +<span class="kw">pub const </span>PF_ALG: ::c_int = AF_ALG; + +<span class="kw">pub const </span>MSG_OOB: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>MSG_PEEK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>MSG_DONTROUTE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>MSG_CTRUNC: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>MSG_TRUNC: ::c_int = <span class="number">0x20</span>; +<span class="kw">pub const </span>MSG_DONTWAIT: ::c_int = <span class="number">0x40</span>; +<span class="kw">pub const </span>MSG_EOR: ::c_int = <span class="number">0x80</span>; +<span class="kw">pub const </span>MSG_WAITALL: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>MSG_FIN: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>MSG_SYN: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>MSG_CONFIRM: ::c_int = <span class="number">0x800</span>; +<span class="kw">pub const </span>MSG_RST: ::c_int = <span class="number">0x1000</span>; +<span class="kw">pub const </span>MSG_ERRQUEUE: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>MSG_NOSIGNAL: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>MSG_MORE: ::c_int = <span class="number">0x8000</span>; +<span class="kw">pub const </span>MSG_WAITFORONE: ::c_int = <span class="number">0x10000</span>; +<span class="kw">pub const </span>MSG_FASTOPEN: ::c_int = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>MSG_CMSG_CLOEXEC: ::c_int = <span class="number">0x40000000</span>; + +<span class="kw">pub const </span>SCM_TIMESTAMP: ::c_int = SO_TIMESTAMP; + +<span class="kw">pub const </span>SOCK_RAW: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>SOCK_RDM: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>IP_TOS: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IP_TTL: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>IP_HDRINCL: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>IP_OPTIONS: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>IP_ROUTER_ALERT: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>IP_RECVOPTS: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>IP_RETOPTS: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>IP_PKTINFO: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>IP_PKTOPTIONS: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>IP_MTU_DISCOVER: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>IP_RECVERR: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>IP_RECVTTL: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>IP_RECVTOS: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>IP_MTU: ::c_int = <span class="number">14</span>; +<span class="kw">pub const </span>IP_FREEBIND: ::c_int = <span class="number">15</span>; +<span class="kw">pub const </span>IP_IPSEC_POLICY: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>IP_XFRM_POLICY: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>IP_PASSSEC: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>IP_TRANSPARENT: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>IP_ORIGDSTADDR: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>IP_RECVORIGDSTADDR: ::c_int = IP_ORIGDSTADDR; +<span class="kw">pub const </span>IP_MINTTL: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>IP_NODEFRAG: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>IP_CHECKSUM: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>IP_BIND_ADDRESS_NO_PORT: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>IP_MULTICAST_IF: ::c_int = <span class="number">32</span>; +<span class="kw">pub const </span>IP_MULTICAST_TTL: ::c_int = <span class="number">33</span>; +<span class="kw">pub const </span>IP_MULTICAST_LOOP: ::c_int = <span class="number">34</span>; +<span class="kw">pub const </span>IP_ADD_MEMBERSHIP: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>IP_DROP_MEMBERSHIP: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>IP_UNBLOCK_SOURCE: ::c_int = <span class="number">37</span>; +<span class="kw">pub const </span>IP_BLOCK_SOURCE: ::c_int = <span class="number">38</span>; +<span class="kw">pub const </span>IP_ADD_SOURCE_MEMBERSHIP: ::c_int = <span class="number">39</span>; +<span class="kw">pub const </span>IP_DROP_SOURCE_MEMBERSHIP: ::c_int = <span class="number">40</span>; +<span class="kw">pub const </span>IP_MSFILTER: ::c_int = <span class="number">41</span>; +<span class="kw">pub const </span>IP_MULTICAST_ALL: ::c_int = <span class="number">49</span>; +<span class="kw">pub const </span>IP_UNICAST_IF: ::c_int = <span class="number">50</span>; + +<span class="kw">pub const </span>IP_DEFAULT_MULTICAST_TTL: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IP_DEFAULT_MULTICAST_LOOP: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>IP_PMTUDISC_DONT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>IP_PMTUDISC_WANT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IP_PMTUDISC_DO: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>IP_PMTUDISC_PROBE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>IP_PMTUDISC_INTERFACE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>IP_PMTUDISC_OMIT: ::c_int = <span class="number">5</span>; + +<span class="comment">// IPPROTO_IP defined in src/unix/mod.rs +</span><span class="doccomment">/// Hop-by-hop option header +</span><span class="kw">pub const </span>IPPROTO_HOPOPTS: ::c_int = <span class="number">0</span>; +<span class="comment">// IPPROTO_ICMP defined in src/unix/mod.rs +</span><span class="doccomment">/// group mgmt protocol +</span><span class="kw">pub const </span>IPPROTO_IGMP: ::c_int = <span class="number">2</span>; +<span class="doccomment">/// for compatibility +</span><span class="kw">pub const </span>IPPROTO_IPIP: ::c_int = <span class="number">4</span>; +<span class="comment">// IPPROTO_TCP defined in src/unix/mod.rs +</span><span class="doccomment">/// exterior gateway protocol +</span><span class="kw">pub const </span>IPPROTO_EGP: ::c_int = <span class="number">8</span>; +<span class="doccomment">/// pup +</span><span class="kw">pub const </span>IPPROTO_PUP: ::c_int = <span class="number">12</span>; +<span class="comment">// IPPROTO_UDP defined in src/unix/mod.rs +</span><span class="doccomment">/// xns idp +</span><span class="kw">pub const </span>IPPROTO_IDP: ::c_int = <span class="number">22</span>; +<span class="doccomment">/// tp-4 w/ class negotiation +</span><span class="kw">pub const </span>IPPROTO_TP: ::c_int = <span class="number">29</span>; +<span class="doccomment">/// DCCP +</span><span class="kw">pub const </span>IPPROTO_DCCP: ::c_int = <span class="number">33</span>; +<span class="comment">// IPPROTO_IPV6 defined in src/unix/mod.rs +</span><span class="doccomment">/// IP6 routing header +</span><span class="kw">pub const </span>IPPROTO_ROUTING: ::c_int = <span class="number">43</span>; +<span class="doccomment">/// IP6 fragmentation header +</span><span class="kw">pub const </span>IPPROTO_FRAGMENT: ::c_int = <span class="number">44</span>; +<span class="doccomment">/// resource reservation +</span><span class="kw">pub const </span>IPPROTO_RSVP: ::c_int = <span class="number">46</span>; +<span class="doccomment">/// General Routing Encap. +</span><span class="kw">pub const </span>IPPROTO_GRE: ::c_int = <span class="number">47</span>; +<span class="doccomment">/// IP6 Encap Sec. Payload +</span><span class="kw">pub const </span>IPPROTO_ESP: ::c_int = <span class="number">50</span>; +<span class="doccomment">/// IP6 Auth Header +</span><span class="kw">pub const </span>IPPROTO_AH: ::c_int = <span class="number">51</span>; +<span class="comment">// IPPROTO_ICMPV6 defined in src/unix/mod.rs +</span><span class="doccomment">/// IP6 no next header +</span><span class="kw">pub const </span>IPPROTO_NONE: ::c_int = <span class="number">59</span>; +<span class="doccomment">/// IP6 destination option +</span><span class="kw">pub const </span>IPPROTO_DSTOPTS: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>IPPROTO_MTP: ::c_int = <span class="number">92</span>; +<span class="doccomment">/// encapsulation header +</span><span class="kw">pub const </span>IPPROTO_ENCAP: ::c_int = <span class="number">98</span>; +<span class="doccomment">/// Protocol indep. multicast +</span><span class="kw">pub const </span>IPPROTO_PIM: ::c_int = <span class="number">103</span>; +<span class="doccomment">/// IP Payload Comp. Protocol +</span><span class="kw">pub const </span>IPPROTO_COMP: ::c_int = <span class="number">108</span>; +<span class="doccomment">/// SCTP +</span><span class="kw">pub const </span>IPPROTO_SCTP: ::c_int = <span class="number">132</span>; +<span class="kw">pub const </span>IPPROTO_MH: ::c_int = <span class="number">135</span>; +<span class="kw">pub const </span>IPPROTO_UDPLITE: ::c_int = <span class="number">136</span>; +<span class="doccomment">/// raw IP packet +</span><span class="kw">pub const </span>IPPROTO_RAW: ::c_int = <span class="number">255</span>; +<span class="kw">pub const </span>IPPROTO_BEETPH: ::c_int = <span class="number">94</span>; +<span class="kw">pub const </span>IPPROTO_MPLS: ::c_int = <span class="number">137</span>; + +<span class="kw">pub const </span>MCAST_EXCLUDE: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>MCAST_INCLUDE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>MCAST_JOIN_GROUP: ::c_int = <span class="number">42</span>; +<span class="kw">pub const </span>MCAST_BLOCK_SOURCE: ::c_int = <span class="number">43</span>; +<span class="kw">pub const </span>MCAST_UNBLOCK_SOURCE: ::c_int = <span class="number">44</span>; +<span class="kw">pub const </span>MCAST_LEAVE_GROUP: ::c_int = <span class="number">45</span>; +<span class="kw">pub const </span>MCAST_JOIN_SOURCE_GROUP: ::c_int = <span class="number">46</span>; +<span class="kw">pub const </span>MCAST_LEAVE_SOURCE_GROUP: ::c_int = <span class="number">47</span>; +<span class="kw">pub const </span>MCAST_MSFILTER: ::c_int = <span class="number">48</span>; + +<span class="kw">pub const </span>IPV6_ADDRFORM: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IPV6_2292PKTINFO: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>IPV6_2292HOPOPTS: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>IPV6_2292DSTOPTS: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>IPV6_2292RTHDR: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>IPV6_2292PKTOPTIONS: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>IPV6_CHECKSUM: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>IPV6_2292HOPLIMIT: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>IPV6_NEXTHOP: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>IPV6_AUTHHDR: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>IPV6_UNICAST_HOPS: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>IPV6_MULTICAST_IF: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>IPV6_MULTICAST_HOPS: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>IPV6_MULTICAST_LOOP: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>IPV6_ADD_MEMBERSHIP: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>IPV6_DROP_MEMBERSHIP: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>IPV6_ROUTER_ALERT: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>IPV6_MTU_DISCOVER: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>IPV6_MTU: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>IPV6_RECVERR: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>IPV6_V6ONLY: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>IPV6_JOIN_ANYCAST: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>IPV6_LEAVE_ANYCAST: ::c_int = <span class="number">28</span>; +<span class="kw">pub const </span>IPV6_IPSEC_POLICY: ::c_int = <span class="number">34</span>; +<span class="kw">pub const </span>IPV6_XFRM_POLICY: ::c_int = <span class="number">35</span>; +<span class="kw">pub const </span>IPV6_HDRINCL: ::c_int = <span class="number">36</span>; +<span class="kw">pub const </span>IPV6_RECVPKTINFO: ::c_int = <span class="number">49</span>; +<span class="kw">pub const </span>IPV6_PKTINFO: ::c_int = <span class="number">50</span>; +<span class="kw">pub const </span>IPV6_RECVHOPLIMIT: ::c_int = <span class="number">51</span>; +<span class="kw">pub const </span>IPV6_HOPLIMIT: ::c_int = <span class="number">52</span>; +<span class="kw">pub const </span>IPV6_RECVHOPOPTS: ::c_int = <span class="number">53</span>; +<span class="kw">pub const </span>IPV6_HOPOPTS: ::c_int = <span class="number">54</span>; +<span class="kw">pub const </span>IPV6_RTHDRDSTOPTS: ::c_int = <span class="number">55</span>; +<span class="kw">pub const </span>IPV6_RECVRTHDR: ::c_int = <span class="number">56</span>; +<span class="kw">pub const </span>IPV6_RTHDR: ::c_int = <span class="number">57</span>; +<span class="kw">pub const </span>IPV6_RECVDSTOPTS: ::c_int = <span class="number">58</span>; +<span class="kw">pub const </span>IPV6_DSTOPTS: ::c_int = <span class="number">59</span>; +<span class="kw">pub const </span>IPV6_RECVPATHMTU: ::c_int = <span class="number">60</span>; +<span class="kw">pub const </span>IPV6_PATHMTU: ::c_int = <span class="number">61</span>; +<span class="kw">pub const </span>IPV6_DONTFRAG: ::c_int = <span class="number">62</span>; +<span class="kw">pub const </span>IPV6_RECVTCLASS: ::c_int = <span class="number">66</span>; +<span class="kw">pub const </span>IPV6_TCLASS: ::c_int = <span class="number">67</span>; +<span class="kw">pub const </span>IPV6_AUTOFLOWLABEL: ::c_int = <span class="number">70</span>; +<span class="kw">pub const </span>IPV6_ADDR_PREFERENCES: ::c_int = <span class="number">72</span>; +<span class="kw">pub const </span>IPV6_MINHOPCOUNT: ::c_int = <span class="number">73</span>; +<span class="kw">pub const </span>IPV6_ORIGDSTADDR: ::c_int = <span class="number">74</span>; +<span class="kw">pub const </span>IPV6_RECVORIGDSTADDR: ::c_int = IPV6_ORIGDSTADDR; +<span class="kw">pub const </span>IPV6_TRANSPARENT: ::c_int = <span class="number">75</span>; +<span class="kw">pub const </span>IPV6_UNICAST_IF: ::c_int = <span class="number">76</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_TMP: ::c_int = <span class="number">0x0001</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_PUBLIC: ::c_int = <span class="number">0x0002</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_PUBTMP_DEFAULT: ::c_int = <span class="number">0x0100</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_COA: ::c_int = <span class="number">0x0004</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_HOME: ::c_int = <span class="number">0x0400</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_CGA: ::c_int = <span class="number">0x0008</span>; +<span class="kw">pub const </span>IPV6_PREFER_SRC_NONCGA: ::c_int = <span class="number">0x0800</span>; + +<span class="kw">pub const </span>IPV6_PMTUDISC_DONT: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>IPV6_PMTUDISC_WANT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IPV6_PMTUDISC_DO: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>IPV6_PMTUDISC_PROBE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>IPV6_PMTUDISC_INTERFACE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>IPV6_PMTUDISC_OMIT: ::c_int = <span class="number">5</span>; + +<span class="kw">pub const </span>TCP_NODELAY: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>TCP_MAXSEG: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>TCP_CORK: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>TCP_KEEPIDLE: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>TCP_KEEPINTVL: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>TCP_KEEPCNT: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>TCP_SYNCNT: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>TCP_LINGER2: ::c_int = <span class="number">8</span>; +<span class="kw">pub const </span>TCP_DEFER_ACCEPT: ::c_int = <span class="number">9</span>; +<span class="kw">pub const </span>TCP_WINDOW_CLAMP: ::c_int = <span class="number">10</span>; +<span class="kw">pub const </span>TCP_INFO: ::c_int = <span class="number">11</span>; +<span class="kw">pub const </span>TCP_QUICKACK: ::c_int = <span class="number">12</span>; +<span class="kw">pub const </span>TCP_CONGESTION: ::c_int = <span class="number">13</span>; +<span class="kw">pub const </span>TCP_MD5SIG: ::c_int = <span class="number">14</span>; +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(all(target_os = <span class="string">"linux"</span>, any(target_env = <span class="string">"gnu"</span>, target_env = <span class="string">"musl"</span>)))] </span>{ + <span class="comment">// WARN: deprecated + </span><span class="kw">pub const </span>TCP_COOKIE_TRANSACTIONS: ::c_int = <span class="number">15</span>; + } +} +<span class="kw">pub const </span>TCP_THIN_LINEAR_TIMEOUTS: ::c_int = <span class="number">16</span>; +<span class="kw">pub const </span>TCP_THIN_DUPACK: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>TCP_USER_TIMEOUT: ::c_int = <span class="number">18</span>; +<span class="kw">pub const </span>TCP_REPAIR: ::c_int = <span class="number">19</span>; +<span class="kw">pub const </span>TCP_REPAIR_QUEUE: ::c_int = <span class="number">20</span>; +<span class="kw">pub const </span>TCP_QUEUE_SEQ: ::c_int = <span class="number">21</span>; +<span class="kw">pub const </span>TCP_REPAIR_OPTIONS: ::c_int = <span class="number">22</span>; +<span class="kw">pub const </span>TCP_FASTOPEN: ::c_int = <span class="number">23</span>; +<span class="kw">pub const </span>TCP_TIMESTAMP: ::c_int = <span class="number">24</span>; +<span class="kw">pub const </span>TCP_NOTSENT_LOWAT: ::c_int = <span class="number">25</span>; +<span class="kw">pub const </span>TCP_CC_INFO: ::c_int = <span class="number">26</span>; +<span class="kw">pub const </span>TCP_SAVE_SYN: ::c_int = <span class="number">27</span>; +<span class="kw">pub const </span>TCP_SAVED_SYN: ::c_int = <span class="number">28</span>; +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_os = <span class="string">"emscripten"</span>))] </span>{ + <span class="comment">// NOTE: emscripten doesn't support these options yet. + + </span><span class="kw">pub const </span>TCP_REPAIR_WINDOW: ::c_int = <span class="number">29</span>; + <span class="kw">pub const </span>TCP_FASTOPEN_CONNECT: ::c_int = <span class="number">30</span>; + <span class="kw">pub const </span>TCP_ULP: ::c_int = <span class="number">31</span>; + <span class="kw">pub const </span>TCP_MD5SIG_EXT: ::c_int = <span class="number">32</span>; + <span class="kw">pub const </span>TCP_FASTOPEN_KEY: ::c_int = <span class="number">33</span>; + <span class="kw">pub const </span>TCP_FASTOPEN_NO_COOKIE: ::c_int = <span class="number">34</span>; + <span class="kw">pub const </span>TCP_ZEROCOPY_RECEIVE: ::c_int = <span class="number">35</span>; + <span class="kw">pub const </span>TCP_INQ: ::c_int = <span class="number">36</span>; + <span class="kw">pub const </span>TCP_CM_INQ: ::c_int = TCP_INQ; + <span class="comment">// NOTE: Some CI images doesn't have this option yet. + // pub const TCP_TX_DELAY: ::c_int = 37; + </span>} +} + +<span class="kw">pub const </span>SO_DEBUG: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>SHUT_RD: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SHUT_WR: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SHUT_RDWR: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>LOCK_SH: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>LOCK_EX: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>LOCK_NB: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>LOCK_UN: ::c_int = <span class="number">8</span>; + +<span class="kw">pub const </span>SS_ONSTACK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SS_DISABLE: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>PATH_MAX: ::c_int = <span class="number">4096</span>; + +<span class="kw">pub const </span>UIO_MAXIOV: ::c_int = <span class="number">1024</span>; + +<span class="kw">pub const </span>FD_SETSIZE: usize = <span class="number">1024</span>; + +<span class="kw">pub const </span>EPOLLIN: ::c_int = <span class="number">0x1</span>; +<span class="kw">pub const </span>EPOLLPRI: ::c_int = <span class="number">0x2</span>; +<span class="kw">pub const </span>EPOLLOUT: ::c_int = <span class="number">0x4</span>; +<span class="kw">pub const </span>EPOLLERR: ::c_int = <span class="number">0x8</span>; +<span class="kw">pub const </span>EPOLLHUP: ::c_int = <span class="number">0x10</span>; +<span class="kw">pub const </span>EPOLLRDNORM: ::c_int = <span class="number">0x40</span>; +<span class="kw">pub const </span>EPOLLRDBAND: ::c_int = <span class="number">0x80</span>; +<span class="kw">pub const </span>EPOLLWRNORM: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>EPOLLWRBAND: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>EPOLLMSG: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>EPOLLRDHUP: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>EPOLLEXCLUSIVE: ::c_int = <span class="number">0x10000000</span>; +<span class="kw">pub const </span>EPOLLWAKEUP: ::c_int = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>EPOLLONESHOT: ::c_int = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>EPOLLET: ::c_int = <span class="number">0x80000000</span>; + +<span class="kw">pub const </span>EPOLL_CTL_ADD: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>EPOLL_CTL_MOD: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>EPOLL_CTL_DEL: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>MNT_FORCE: ::c_int = <span class="number">0x1</span>; +<span class="kw">pub const </span>MNT_DETACH: ::c_int = <span class="number">0x2</span>; +<span class="kw">pub const </span>MNT_EXPIRE: ::c_int = <span class="number">0x4</span>; +<span class="kw">pub const </span>UMOUNT_NOFOLLOW: ::c_int = <span class="number">0x8</span>; + +<span class="kw">pub const </span>Q_GETFMT: ::c_int = <span class="number">0x800004</span>; +<span class="kw">pub const </span>Q_GETINFO: ::c_int = <span class="number">0x800005</span>; +<span class="kw">pub const </span>Q_SETINFO: ::c_int = <span class="number">0x800006</span>; +<span class="kw">pub const </span>QIF_BLIMITS: u32 = <span class="number">1</span>; +<span class="kw">pub const </span>QIF_SPACE: u32 = <span class="number">2</span>; +<span class="kw">pub const </span>QIF_ILIMITS: u32 = <span class="number">4</span>; +<span class="kw">pub const </span>QIF_INODES: u32 = <span class="number">8</span>; +<span class="kw">pub const </span>QIF_BTIME: u32 = <span class="number">16</span>; +<span class="kw">pub const </span>QIF_ITIME: u32 = <span class="number">32</span>; +<span class="kw">pub const </span>QIF_LIMITS: u32 = <span class="number">5</span>; +<span class="kw">pub const </span>QIF_USAGE: u32 = <span class="number">10</span>; +<span class="kw">pub const </span>QIF_TIMES: u32 = <span class="number">48</span>; +<span class="kw">pub const </span>QIF_ALL: u32 = <span class="number">63</span>; + +<span class="kw">pub const </span>Q_SYNC: ::c_int = <span class="number">0x800001</span>; +<span class="kw">pub const </span>Q_QUOTAON: ::c_int = <span class="number">0x800002</span>; +<span class="kw">pub const </span>Q_QUOTAOFF: ::c_int = <span class="number">0x800003</span>; +<span class="kw">pub const </span>Q_GETQUOTA: ::c_int = <span class="number">0x800007</span>; +<span class="kw">pub const </span>Q_SETQUOTA: ::c_int = <span class="number">0x800008</span>; + +<span class="kw">pub const </span>TCIOFF: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>TCION: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>TCOOFF: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>TCOON: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>TCIFLUSH: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>TCOFLUSH: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>TCIOFLUSH: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>NL0: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>NL1: ::tcflag_t = <span class="number">0x00000100</span>; +<span class="kw">pub const </span>TAB0: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>CR0: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>FF0: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>BS0: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>VT0: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>VERASE: usize = <span class="number">2</span>; +<span class="kw">pub const </span>VKILL: usize = <span class="number">3</span>; +<span class="kw">pub const </span>VINTR: usize = <span class="number">0</span>; +<span class="kw">pub const </span>VQUIT: usize = <span class="number">1</span>; +<span class="kw">pub const </span>VLNEXT: usize = <span class="number">15</span>; +<span class="kw">pub const </span>IGNBRK: ::tcflag_t = <span class="number">0x00000001</span>; +<span class="kw">pub const </span>BRKINT: ::tcflag_t = <span class="number">0x00000002</span>; +<span class="kw">pub const </span>IGNPAR: ::tcflag_t = <span class="number">0x00000004</span>; +<span class="kw">pub const </span>PARMRK: ::tcflag_t = <span class="number">0x00000008</span>; +<span class="kw">pub const </span>INPCK: ::tcflag_t = <span class="number">0x00000010</span>; +<span class="kw">pub const </span>ISTRIP: ::tcflag_t = <span class="number">0x00000020</span>; +<span class="kw">pub const </span>INLCR: ::tcflag_t = <span class="number">0x00000040</span>; +<span class="kw">pub const </span>IGNCR: ::tcflag_t = <span class="number">0x00000080</span>; +<span class="kw">pub const </span>ICRNL: ::tcflag_t = <span class="number">0x00000100</span>; +<span class="kw">pub const </span>IXANY: ::tcflag_t = <span class="number">0x00000800</span>; +<span class="kw">pub const </span>IMAXBEL: ::tcflag_t = <span class="number">0x00002000</span>; +<span class="kw">pub const </span>OPOST: ::tcflag_t = <span class="number">0x1</span>; +<span class="kw">pub const </span>CS5: ::tcflag_t = <span class="number">0x00000000</span>; +<span class="kw">pub const </span>CRTSCTS: ::tcflag_t = <span class="number">0x80000000</span>; +<span class="kw">pub const </span>ECHO: ::tcflag_t = <span class="number">0x00000008</span>; +<span class="kw">pub const </span>OCRNL: ::tcflag_t = <span class="number">0o000010</span>; +<span class="kw">pub const </span>ONOCR: ::tcflag_t = <span class="number">0o000020</span>; +<span class="kw">pub const </span>ONLRET: ::tcflag_t = <span class="number">0o000040</span>; +<span class="kw">pub const </span>OFILL: ::tcflag_t = <span class="number">0o000100</span>; +<span class="kw">pub const </span>OFDEL: ::tcflag_t = <span class="number">0o000200</span>; + +<span class="kw">pub const </span>CLONE_VM: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>CLONE_FS: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>CLONE_FILES: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>CLONE_SIGHAND: ::c_int = <span class="number">0x800</span>; +<span class="kw">pub const </span>CLONE_PTRACE: ::c_int = <span class="number">0x2000</span>; +<span class="kw">pub const </span>CLONE_VFORK: ::c_int = <span class="number">0x4000</span>; +<span class="kw">pub const </span>CLONE_PARENT: ::c_int = <span class="number">0x8000</span>; +<span class="kw">pub const </span>CLONE_THREAD: ::c_int = <span class="number">0x10000</span>; +<span class="kw">pub const </span>CLONE_NEWNS: ::c_int = <span class="number">0x20000</span>; +<span class="kw">pub const </span>CLONE_SYSVSEM: ::c_int = <span class="number">0x40000</span>; +<span class="kw">pub const </span>CLONE_SETTLS: ::c_int = <span class="number">0x80000</span>; +<span class="kw">pub const </span>CLONE_PARENT_SETTID: ::c_int = <span class="number">0x100000</span>; +<span class="kw">pub const </span>CLONE_CHILD_CLEARTID: ::c_int = <span class="number">0x200000</span>; +<span class="kw">pub const </span>CLONE_DETACHED: ::c_int = <span class="number">0x400000</span>; +<span class="kw">pub const </span>CLONE_UNTRACED: ::c_int = <span class="number">0x800000</span>; +<span class="kw">pub const </span>CLONE_CHILD_SETTID: ::c_int = <span class="number">0x01000000</span>; +<span class="kw">pub const </span>CLONE_NEWCGROUP: ::c_int = <span class="number">0x02000000</span>; +<span class="kw">pub const </span>CLONE_NEWUTS: ::c_int = <span class="number">0x04000000</span>; +<span class="kw">pub const </span>CLONE_NEWIPC: ::c_int = <span class="number">0x08000000</span>; +<span class="kw">pub const </span>CLONE_NEWUSER: ::c_int = <span class="number">0x10000000</span>; +<span class="kw">pub const </span>CLONE_NEWPID: ::c_int = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>CLONE_NEWNET: ::c_int = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>CLONE_IO: ::c_int = <span class="number">0x80000000</span>; + +<span class="kw">pub const </span>WNOHANG: ::c_int = <span class="number">0x00000001</span>; +<span class="kw">pub const </span>WUNTRACED: ::c_int = <span class="number">0x00000002</span>; +<span class="kw">pub const </span>WSTOPPED: ::c_int = WUNTRACED; +<span class="kw">pub const </span>WEXITED: ::c_int = <span class="number">0x00000004</span>; +<span class="kw">pub const </span>WCONTINUED: ::c_int = <span class="number">0x00000008</span>; +<span class="kw">pub const </span>WNOWAIT: ::c_int = <span class="number">0x01000000</span>; + +<span class="comment">// Options for personality(2). +</span><span class="kw">pub const </span>ADDR_NO_RANDOMIZE: ::c_int = <span class="number">0x0040000</span>; +<span class="kw">pub const </span>MMAP_PAGE_ZERO: ::c_int = <span class="number">0x0100000</span>; +<span class="kw">pub const </span>ADDR_COMPAT_LAYOUT: ::c_int = <span class="number">0x0200000</span>; +<span class="kw">pub const </span>READ_IMPLIES_EXEC: ::c_int = <span class="number">0x0400000</span>; +<span class="kw">pub const </span>ADDR_LIMIT_32BIT: ::c_int = <span class="number">0x0800000</span>; +<span class="kw">pub const </span>SHORT_INODE: ::c_int = <span class="number">0x1000000</span>; +<span class="kw">pub const </span>WHOLE_SECONDS: ::c_int = <span class="number">0x2000000</span>; +<span class="kw">pub const </span>STICKY_TIMEOUTS: ::c_int = <span class="number">0x4000000</span>; +<span class="kw">pub const </span>ADDR_LIMIT_3GB: ::c_int = <span class="number">0x8000000</span>; + +<span class="comment">// Options set using PTRACE_SETOPTIONS. +</span><span class="kw">pub const </span>PTRACE_O_TRACESYSGOOD: ::c_int = <span class="number">0x00000001</span>; +<span class="kw">pub const </span>PTRACE_O_TRACEFORK: ::c_int = <span class="number">0x00000002</span>; +<span class="kw">pub const </span>PTRACE_O_TRACEVFORK: ::c_int = <span class="number">0x00000004</span>; +<span class="kw">pub const </span>PTRACE_O_TRACECLONE: ::c_int = <span class="number">0x00000008</span>; +<span class="kw">pub const </span>PTRACE_O_TRACEEXEC: ::c_int = <span class="number">0x00000010</span>; +<span class="kw">pub const </span>PTRACE_O_TRACEVFORKDONE: ::c_int = <span class="number">0x00000020</span>; +<span class="kw">pub const </span>PTRACE_O_TRACEEXIT: ::c_int = <span class="number">0x00000040</span>; +<span class="kw">pub const </span>PTRACE_O_TRACESECCOMP: ::c_int = <span class="number">0x00000080</span>; +<span class="kw">pub const </span>PTRACE_O_SUSPEND_SECCOMP: ::c_int = <span class="number">0x00200000</span>; +<span class="kw">pub const </span>PTRACE_O_EXITKILL: ::c_int = <span class="number">0x00100000</span>; +<span class="kw">pub const </span>PTRACE_O_MASK: ::c_int = <span class="number">0x003000ff</span>; + +<span class="comment">// Wait extended result codes for the above trace options. +</span><span class="kw">pub const </span>PTRACE_EVENT_FORK: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>PTRACE_EVENT_VFORK: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>PTRACE_EVENT_CLONE: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>PTRACE_EVENT_EXEC: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>PTRACE_EVENT_VFORK_DONE: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>PTRACE_EVENT_EXIT: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>PTRACE_EVENT_SECCOMP: ::c_int = <span class="number">7</span>; + +<span class="kw">pub const </span>__WNOTHREAD: ::c_int = <span class="number">0x20000000</span>; +<span class="kw">pub const </span>__WALL: ::c_int = <span class="number">0x40000000</span>; +<span class="kw">pub const </span>__WCLONE: ::c_int = <span class="number">0x80000000</span>; + +<span class="kw">pub const </span>SPLICE_F_MOVE: ::c_uint = <span class="number">0x01</span>; +<span class="kw">pub const </span>SPLICE_F_NONBLOCK: ::c_uint = <span class="number">0x02</span>; +<span class="kw">pub const </span>SPLICE_F_MORE: ::c_uint = <span class="number">0x04</span>; +<span class="kw">pub const </span>SPLICE_F_GIFT: ::c_uint = <span class="number">0x08</span>; + +<span class="kw">pub const </span>RTLD_LOCAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>RTLD_LAZY: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>POSIX_FADV_NORMAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>POSIX_FADV_RANDOM: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>POSIX_FADV_SEQUENTIAL: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>POSIX_FADV_WILLNEED: ::c_int = <span class="number">3</span>; + +<span class="kw">pub const </span>AT_FDCWD: ::c_int = -<span class="number">100</span>; +<span class="kw">pub const </span>AT_SYMLINK_NOFOLLOW: ::c_int = <span class="number">0x100</span>; +<span class="kw">pub const </span>AT_REMOVEDIR: ::c_int = <span class="number">0x200</span>; +<span class="kw">pub const </span>AT_SYMLINK_FOLLOW: ::c_int = <span class="number">0x400</span>; +<span class="kw">pub const </span>AT_NO_AUTOMOUNT: ::c_int = <span class="number">0x800</span>; +<span class="kw">pub const </span>AT_EMPTY_PATH: ::c_int = <span class="number">0x1000</span>; + +<span class="kw">pub const </span>LOG_CRON: ::c_int = <span class="number">9 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_AUTHPRIV: ::c_int = <span class="number">10 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_FTP: ::c_int = <span class="number">11 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_PERROR: ::c_int = <span class="number">0x20</span>; + +<span class="kw">pub const </span>PIPE_BUF: usize = <span class="number">4096</span>; + +<span class="kw">pub const </span>SI_LOAD_SHIFT: ::c_uint = <span class="number">16</span>; + +<span class="comment">// si_code values for SIGBUS signal +</span><span class="kw">pub const </span>BUS_ADRALN: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>BUS_ADRERR: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>BUS_OBJERR: ::c_int = <span class="number">3</span>; +<span class="comment">// Linux-specific si_code values for SIGBUS signal +</span><span class="kw">pub const </span>BUS_MCEERR_AR: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>BUS_MCEERR_AO: ::c_int = <span class="number">5</span>; + +<span class="comment">// si_code values for SIGCHLD signal +</span><span class="kw">pub const </span>CLD_EXITED: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>CLD_KILLED: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>CLD_DUMPED: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>CLD_TRAPPED: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>CLD_STOPPED: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>CLD_CONTINUED: ::c_int = <span class="number">6</span>; + +<span class="kw">pub const </span>SIGEV_SIGNAL: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>SIGEV_NONE: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>SIGEV_THREAD: ::c_int = <span class="number">2</span>; + +<span class="kw">pub const </span>P_ALL: idtype_t = <span class="number">0</span>; +<span class="kw">pub const </span>P_PID: idtype_t = <span class="number">1</span>; +<span class="kw">pub const </span>P_PGID: idtype_t = <span class="number">2</span>; +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_os = <span class="string">"emscripten"</span>))] </span>{ + <span class="kw">pub const </span>P_PIDFD: idtype_t = <span class="number">3</span>; + } +} + +<span class="kw">pub const </span>UTIME_OMIT: c_long = <span class="number">1073741822</span>; +<span class="kw">pub const </span>UTIME_NOW: c_long = <span class="number">1073741823</span>; + +<span class="kw">pub const </span>POLLIN: ::c_short = <span class="number">0x1</span>; +<span class="kw">pub const </span>POLLPRI: ::c_short = <span class="number">0x2</span>; +<span class="kw">pub const </span>POLLOUT: ::c_short = <span class="number">0x4</span>; +<span class="kw">pub const </span>POLLERR: ::c_short = <span class="number">0x8</span>; +<span class="kw">pub const </span>POLLHUP: ::c_short = <span class="number">0x10</span>; +<span class="kw">pub const </span>POLLNVAL: ::c_short = <span class="number">0x20</span>; +<span class="kw">pub const </span>POLLRDNORM: ::c_short = <span class="number">0x040</span>; +<span class="kw">pub const </span>POLLRDBAND: ::c_short = <span class="number">0x080</span>; +<span class="attribute">#[cfg(not(any(target_arch = <span class="string">"sparc"</span>, target_arch = <span class="string">"sparc64"</span>)))] +</span><span class="kw">pub const </span>POLLRDHUP: ::c_short = <span class="number">0x2000</span>; +<span class="attribute">#[cfg(any(target_arch = <span class="string">"sparc"</span>, target_arch = <span class="string">"sparc64"</span>))] +</span><span class="kw">pub const </span>POLLRDHUP: ::c_short = <span class="number">0x800</span>; + +<span class="kw">pub const </span>IPTOS_LOWDELAY: u8 = <span class="number">0x10</span>; +<span class="kw">pub const </span>IPTOS_THROUGHPUT: u8 = <span class="number">0x08</span>; +<span class="kw">pub const </span>IPTOS_RELIABILITY: u8 = <span class="number">0x04</span>; +<span class="kw">pub const </span>IPTOS_MINCOST: u8 = <span class="number">0x02</span>; + +<span class="kw">pub const </span>IPTOS_PREC_NETCONTROL: u8 = <span class="number">0xe0</span>; +<span class="kw">pub const </span>IPTOS_PREC_INTERNETCONTROL: u8 = <span class="number">0xc0</span>; +<span class="kw">pub const </span>IPTOS_PREC_CRITIC_ECP: u8 = <span class="number">0xa0</span>; +<span class="kw">pub const </span>IPTOS_PREC_FLASHOVERRIDE: u8 = <span class="number">0x80</span>; +<span class="kw">pub const </span>IPTOS_PREC_FLASH: u8 = <span class="number">0x60</span>; +<span class="kw">pub const </span>IPTOS_PREC_IMMEDIATE: u8 = <span class="number">0x40</span>; +<span class="kw">pub const </span>IPTOS_PREC_PRIORITY: u8 = <span class="number">0x20</span>; +<span class="kw">pub const </span>IPTOS_PREC_ROUTINE: u8 = <span class="number">0x00</span>; + +<span class="kw">pub const </span>IPTOS_ECN_MASK: u8 = <span class="number">0x03</span>; +<span class="kw">pub const </span>IPTOS_ECN_ECT1: u8 = <span class="number">0x01</span>; +<span class="kw">pub const </span>IPTOS_ECN_ECT0: u8 = <span class="number">0x02</span>; +<span class="kw">pub const </span>IPTOS_ECN_CE: u8 = <span class="number">0x03</span>; + +<span class="kw">pub const </span>IPOPT_COPY: u8 = <span class="number">0x80</span>; +<span class="kw">pub const </span>IPOPT_CLASS_MASK: u8 = <span class="number">0x60</span>; +<span class="kw">pub const </span>IPOPT_NUMBER_MASK: u8 = <span class="number">0x1f</span>; + +<span class="kw">pub const </span>IPOPT_CONTROL: u8 = <span class="number">0x00</span>; +<span class="kw">pub const </span>IPOPT_RESERVED1: u8 = <span class="number">0x20</span>; +<span class="kw">pub const </span>IPOPT_MEASUREMENT: u8 = <span class="number">0x40</span>; +<span class="kw">pub const </span>IPOPT_RESERVED2: u8 = <span class="number">0x60</span>; +<span class="kw">pub const </span>IPOPT_END: u8 = <span class="number">0 </span>| IPOPT_CONTROL; +<span class="kw">pub const </span>IPOPT_NOOP: u8 = <span class="number">1 </span>| IPOPT_CONTROL; +<span class="kw">pub const </span>IPOPT_SEC: u8 = <span class="number">2 </span>| IPOPT_CONTROL | IPOPT_COPY; +<span class="kw">pub const </span>IPOPT_LSRR: u8 = <span class="number">3 </span>| IPOPT_CONTROL | IPOPT_COPY; +<span class="kw">pub const </span>IPOPT_TIMESTAMP: u8 = <span class="number">4 </span>| IPOPT_MEASUREMENT; +<span class="kw">pub const </span>IPOPT_RR: u8 = <span class="number">7 </span>| IPOPT_CONTROL; +<span class="kw">pub const </span>IPOPT_SID: u8 = <span class="number">8 </span>| IPOPT_CONTROL | IPOPT_COPY; +<span class="kw">pub const </span>IPOPT_SSRR: u8 = <span class="number">9 </span>| IPOPT_CONTROL | IPOPT_COPY; +<span class="kw">pub const </span>IPOPT_RA: u8 = <span class="number">20 </span>| IPOPT_CONTROL | IPOPT_COPY; +<span class="kw">pub const </span>IPVERSION: u8 = <span class="number">4</span>; +<span class="kw">pub const </span>MAXTTL: u8 = <span class="number">255</span>; +<span class="kw">pub const </span>IPDEFTTL: u8 = <span class="number">64</span>; +<span class="kw">pub const </span>IPOPT_OPTVAL: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>IPOPT_OLEN: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>IPOPT_OFFSET: u8 = <span class="number">2</span>; +<span class="kw">pub const </span>IPOPT_MINOFF: u8 = <span class="number">4</span>; +<span class="kw">pub const </span>MAX_IPOPTLEN: u8 = <span class="number">40</span>; +<span class="kw">pub const </span>IPOPT_NOP: u8 = IPOPT_NOOP; +<span class="kw">pub const </span>IPOPT_EOL: u8 = IPOPT_END; +<span class="kw">pub const </span>IPOPT_TS: u8 = IPOPT_TIMESTAMP; +<span class="kw">pub const </span>IPOPT_TS_TSONLY: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>IPOPT_TS_TSANDADDR: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>IPOPT_TS_PRESPEC: u8 = <span class="number">3</span>; + +<span class="kw">pub const </span>ARPOP_RREQUEST: u16 = <span class="number">3</span>; +<span class="kw">pub const </span>ARPOP_RREPLY: u16 = <span class="number">4</span>; +<span class="kw">pub const </span>ARPOP_InREQUEST: u16 = <span class="number">8</span>; +<span class="kw">pub const </span>ARPOP_InREPLY: u16 = <span class="number">9</span>; +<span class="kw">pub const </span>ARPOP_NAK: u16 = <span class="number">10</span>; + +<span class="kw">pub const </span>ATF_NETMASK: ::c_int = <span class="number">0x20</span>; +<span class="kw">pub const </span>ATF_DONTPUB: ::c_int = <span class="number">0x40</span>; + +<span class="kw">pub const </span>ARPHRD_NETROM: u16 = <span class="number">0</span>; +<span class="kw">pub const </span>ARPHRD_ETHER: u16 = <span class="number">1</span>; +<span class="kw">pub const </span>ARPHRD_EETHER: u16 = <span class="number">2</span>; +<span class="kw">pub const </span>ARPHRD_AX25: u16 = <span class="number">3</span>; +<span class="kw">pub const </span>ARPHRD_PRONET: u16 = <span class="number">4</span>; +<span class="kw">pub const </span>ARPHRD_CHAOS: u16 = <span class="number">5</span>; +<span class="kw">pub const </span>ARPHRD_IEEE802: u16 = <span class="number">6</span>; +<span class="kw">pub const </span>ARPHRD_ARCNET: u16 = <span class="number">7</span>; +<span class="kw">pub const </span>ARPHRD_APPLETLK: u16 = <span class="number">8</span>; +<span class="kw">pub const </span>ARPHRD_DLCI: u16 = <span class="number">15</span>; +<span class="kw">pub const </span>ARPHRD_ATM: u16 = <span class="number">19</span>; +<span class="kw">pub const </span>ARPHRD_METRICOM: u16 = <span class="number">23</span>; +<span class="kw">pub const </span>ARPHRD_IEEE1394: u16 = <span class="number">24</span>; +<span class="kw">pub const </span>ARPHRD_EUI64: u16 = <span class="number">27</span>; +<span class="kw">pub const </span>ARPHRD_INFINIBAND: u16 = <span class="number">32</span>; + +<span class="kw">pub const </span>ARPHRD_SLIP: u16 = <span class="number">256</span>; +<span class="kw">pub const </span>ARPHRD_CSLIP: u16 = <span class="number">257</span>; +<span class="kw">pub const </span>ARPHRD_SLIP6: u16 = <span class="number">258</span>; +<span class="kw">pub const </span>ARPHRD_CSLIP6: u16 = <span class="number">259</span>; +<span class="kw">pub const </span>ARPHRD_RSRVD: u16 = <span class="number">260</span>; +<span class="kw">pub const </span>ARPHRD_ADAPT: u16 = <span class="number">264</span>; +<span class="kw">pub const </span>ARPHRD_ROSE: u16 = <span class="number">270</span>; +<span class="kw">pub const </span>ARPHRD_X25: u16 = <span class="number">271</span>; +<span class="kw">pub const </span>ARPHRD_HWX25: u16 = <span class="number">272</span>; +<span class="kw">pub const </span>ARPHRD_CAN: u16 = <span class="number">280</span>; +<span class="kw">pub const </span>ARPHRD_PPP: u16 = <span class="number">512</span>; +<span class="kw">pub const </span>ARPHRD_CISCO: u16 = <span class="number">513</span>; +<span class="kw">pub const </span>ARPHRD_HDLC: u16 = ARPHRD_CISCO; +<span class="kw">pub const </span>ARPHRD_LAPB: u16 = <span class="number">516</span>; +<span class="kw">pub const </span>ARPHRD_DDCMP: u16 = <span class="number">517</span>; +<span class="kw">pub const </span>ARPHRD_RAWHDLC: u16 = <span class="number">518</span>; + +<span class="kw">pub const </span>ARPHRD_TUNNEL: u16 = <span class="number">768</span>; +<span class="kw">pub const </span>ARPHRD_TUNNEL6: u16 = <span class="number">769</span>; +<span class="kw">pub const </span>ARPHRD_FRAD: u16 = <span class="number">770</span>; +<span class="kw">pub const </span>ARPHRD_SKIP: u16 = <span class="number">771</span>; +<span class="kw">pub const </span>ARPHRD_LOOPBACK: u16 = <span class="number">772</span>; +<span class="kw">pub const </span>ARPHRD_LOCALTLK: u16 = <span class="number">773</span>; +<span class="kw">pub const </span>ARPHRD_FDDI: u16 = <span class="number">774</span>; +<span class="kw">pub const </span>ARPHRD_BIF: u16 = <span class="number">775</span>; +<span class="kw">pub const </span>ARPHRD_SIT: u16 = <span class="number">776</span>; +<span class="kw">pub const </span>ARPHRD_IPDDP: u16 = <span class="number">777</span>; +<span class="kw">pub const </span>ARPHRD_IPGRE: u16 = <span class="number">778</span>; +<span class="kw">pub const </span>ARPHRD_PIMREG: u16 = <span class="number">779</span>; +<span class="kw">pub const </span>ARPHRD_HIPPI: u16 = <span class="number">780</span>; +<span class="kw">pub const </span>ARPHRD_ASH: u16 = <span class="number">781</span>; +<span class="kw">pub const </span>ARPHRD_ECONET: u16 = <span class="number">782</span>; +<span class="kw">pub const </span>ARPHRD_IRDA: u16 = <span class="number">783</span>; +<span class="kw">pub const </span>ARPHRD_FCPP: u16 = <span class="number">784</span>; +<span class="kw">pub const </span>ARPHRD_FCAL: u16 = <span class="number">785</span>; +<span class="kw">pub const </span>ARPHRD_FCPL: u16 = <span class="number">786</span>; +<span class="kw">pub const </span>ARPHRD_FCFABRIC: u16 = <span class="number">787</span>; +<span class="kw">pub const </span>ARPHRD_IEEE802_TR: u16 = <span class="number">800</span>; +<span class="kw">pub const </span>ARPHRD_IEEE80211: u16 = <span class="number">801</span>; +<span class="kw">pub const </span>ARPHRD_IEEE80211_PRISM: u16 = <span class="number">802</span>; +<span class="kw">pub const </span>ARPHRD_IEEE80211_RADIOTAP: u16 = <span class="number">803</span>; +<span class="kw">pub const </span>ARPHRD_IEEE802154: u16 = <span class="number">804</span>; + +<span class="kw">pub const </span>ARPHRD_VOID: u16 = <span class="number">0xFFFF</span>; +<span class="kw">pub const </span>ARPHRD_NONE: u16 = <span class="number">0xFFFE</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_os = <span class="string">"emscripten"</span>)] </span>{ + <span class="comment">// Emscripten does not define any `*_SUPER_MAGIC` constants. + </span>} <span class="kw">else if </span><span class="attribute">#[cfg(not(target_arch = <span class="string">"s390x"</span>))] </span>{ + <span class="kw">pub const </span>ADFS_SUPER_MAGIC: ::c_long = <span class="number">0x0000adf5</span>; + <span class="kw">pub const </span>AFFS_SUPER_MAGIC: ::c_long = <span class="number">0x0000adff</span>; + <span class="kw">pub const </span>AFS_SUPER_MAGIC: ::c_long = <span class="number">0x5346414f</span>; + <span class="kw">pub const </span>AUTOFS_SUPER_MAGIC: ::c_long = <span class="number">0x0187</span>; + <span class="kw">pub const </span>BPF_FS_MAGIC: ::c_long = <span class="number">0xcafe4a11</span>; + <span class="kw">pub const </span>BTRFS_SUPER_MAGIC: ::c_long = <span class="number">0x9123683e</span>; + <span class="kw">pub const </span>CGROUP2_SUPER_MAGIC: ::c_long = <span class="number">0x63677270</span>; + <span class="kw">pub const </span>CGROUP_SUPER_MAGIC: ::c_long = <span class="number">0x27e0eb</span>; + <span class="kw">pub const </span>CODA_SUPER_MAGIC: ::c_long = <span class="number">0x73757245</span>; + <span class="kw">pub const </span>CRAMFS_MAGIC: ::c_long = <span class="number">0x28cd3d45</span>; + <span class="kw">pub const </span>DEBUGFS_MAGIC: ::c_long = <span class="number">0x64626720</span>; + <span class="kw">pub const </span>DEVPTS_SUPER_MAGIC: ::c_long = <span class="number">0x1cd1</span>; + <span class="kw">pub const </span>ECRYPTFS_SUPER_MAGIC: ::c_long = <span class="number">0xf15f</span>; + <span class="kw">pub const </span>EFS_SUPER_MAGIC: ::c_long = <span class="number">0x00414a53</span>; + <span class="kw">pub const </span>EXT2_SUPER_MAGIC: ::c_long = <span class="number">0x0000ef53</span>; + <span class="kw">pub const </span>EXT3_SUPER_MAGIC: ::c_long = <span class="number">0x0000ef53</span>; + <span class="kw">pub const </span>EXT4_SUPER_MAGIC: ::c_long = <span class="number">0x0000ef53</span>; + <span class="kw">pub const </span>F2FS_SUPER_MAGIC: ::c_long = <span class="number">0xf2f52010</span>; + <span class="kw">pub const </span>FUSE_SUPER_MAGIC: ::c_long = <span class="number">0x65735546</span>; + <span class="kw">pub const </span>FUTEXFS_SUPER_MAGIC: ::c_long = <span class="number">0xbad1dea</span>; + <span class="kw">pub const </span>HOSTFS_SUPER_MAGIC: ::c_long = <span class="number">0x00c0ffee</span>; + <span class="kw">pub const </span>HPFS_SUPER_MAGIC: ::c_long = <span class="number">0xf995e849</span>; + <span class="kw">pub const </span>HUGETLBFS_MAGIC: ::c_long = <span class="number">0x958458f6</span>; + <span class="kw">pub const </span>ISOFS_SUPER_MAGIC: ::c_long = <span class="number">0x00009660</span>; + <span class="kw">pub const </span>JFFS2_SUPER_MAGIC: ::c_long = <span class="number">0x000072b6</span>; + <span class="kw">pub const </span>MINIX2_SUPER_MAGIC2: ::c_long = <span class="number">0x00002478</span>; + <span class="kw">pub const </span>MINIX2_SUPER_MAGIC: ::c_long = <span class="number">0x00002468</span>; + <span class="kw">pub const </span>MINIX3_SUPER_MAGIC: ::c_long = <span class="number">0x4d5a</span>; + <span class="kw">pub const </span>MINIX_SUPER_MAGIC2: ::c_long = <span class="number">0x0000138f</span>; + <span class="kw">pub const </span>MINIX_SUPER_MAGIC: ::c_long = <span class="number">0x0000137f</span>; + <span class="kw">pub const </span>MSDOS_SUPER_MAGIC: ::c_long = <span class="number">0x00004d44</span>; + <span class="kw">pub const </span>NCP_SUPER_MAGIC: ::c_long = <span class="number">0x0000564c</span>; + <span class="kw">pub const </span>NFS_SUPER_MAGIC: ::c_long = <span class="number">0x00006969</span>; + <span class="kw">pub const </span>NILFS_SUPER_MAGIC: ::c_long = <span class="number">0x3434</span>; + <span class="kw">pub const </span>OCFS2_SUPER_MAGIC: ::c_long = <span class="number">0x7461636f</span>; + <span class="kw">pub const </span>OPENPROM_SUPER_MAGIC: ::c_long = <span class="number">0x00009fa1</span>; + <span class="kw">pub const </span>OVERLAYFS_SUPER_MAGIC: ::c_long = <span class="number">0x794c7630</span>; + <span class="kw">pub const </span>PROC_SUPER_MAGIC: ::c_long = <span class="number">0x00009fa0</span>; + <span class="kw">pub const </span>QNX4_SUPER_MAGIC: ::c_long = <span class="number">0x0000002f</span>; + <span class="kw">pub const </span>QNX6_SUPER_MAGIC: ::c_long = <span class="number">0x68191122</span>; + <span class="kw">pub const </span>RDTGROUP_SUPER_MAGIC: ::c_long = <span class="number">0x7655821</span>; + <span class="kw">pub const </span>REISERFS_SUPER_MAGIC: ::c_long = <span class="number">0x52654973</span>; + <span class="kw">pub const </span>SECURITYFS_MAGIC: ::c_long = <span class="number">0x73636673</span>; + <span class="kw">pub const </span>SELINUX_MAGIC: ::c_long = <span class="number">0xf97cff8c</span>; + <span class="kw">pub const </span>SMACK_MAGIC: ::c_long = <span class="number">0x43415d53</span>; + <span class="kw">pub const </span>SMB_SUPER_MAGIC: ::c_long = <span class="number">0x0000517b</span>; + <span class="kw">pub const </span>SYSFS_MAGIC: ::c_long = <span class="number">0x62656572</span>; + <span class="kw">pub const </span>TMPFS_MAGIC: ::c_long = <span class="number">0x01021994</span>; + <span class="kw">pub const </span>TRACEFS_MAGIC: ::c_long = <span class="number">0x74726163</span>; + <span class="kw">pub const </span>UDF_SUPER_MAGIC: ::c_long = <span class="number">0x15013346</span>; + <span class="kw">pub const </span>USBDEVICE_SUPER_MAGIC: ::c_long = <span class="number">0x00009fa2</span>; + <span class="kw">pub const </span>XENFS_SUPER_MAGIC: ::c_long = <span class="number">0xabba1974</span>; + <span class="kw">pub const </span>NSFS_MAGIC: ::c_long = <span class="number">0x6e736673</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_arch = <span class="string">"s390x"</span>)] </span>{ + <span class="kw">pub const </span>ADFS_SUPER_MAGIC: ::c_uint = <span class="number">0x0000adf5</span>; + <span class="kw">pub const </span>AFFS_SUPER_MAGIC: ::c_uint = <span class="number">0x0000adff</span>; + <span class="kw">pub const </span>AFS_SUPER_MAGIC: ::c_uint = <span class="number">0x5346414f</span>; + <span class="kw">pub const </span>AUTOFS_SUPER_MAGIC: ::c_uint = <span class="number">0x0187</span>; + <span class="kw">pub const </span>BPF_FS_MAGIC: ::c_uint = <span class="number">0xcafe4a11</span>; + <span class="kw">pub const </span>BTRFS_SUPER_MAGIC: ::c_uint = <span class="number">0x9123683e</span>; + <span class="kw">pub const </span>CGROUP2_SUPER_MAGIC: ::c_uint = <span class="number">0x63677270</span>; + <span class="kw">pub const </span>CGROUP_SUPER_MAGIC: ::c_uint = <span class="number">0x27e0eb</span>; + <span class="kw">pub const </span>CODA_SUPER_MAGIC: ::c_uint = <span class="number">0x73757245</span>; + <span class="kw">pub const </span>CRAMFS_MAGIC: ::c_uint = <span class="number">0x28cd3d45</span>; + <span class="kw">pub const </span>DEBUGFS_MAGIC: ::c_uint = <span class="number">0x64626720</span>; + <span class="kw">pub const </span>DEVPTS_SUPER_MAGIC: ::c_uint = <span class="number">0x1cd1</span>; + <span class="kw">pub const </span>ECRYPTFS_SUPER_MAGIC: ::c_uint = <span class="number">0xf15f</span>; + <span class="kw">pub const </span>EFS_SUPER_MAGIC: ::c_uint = <span class="number">0x00414a53</span>; + <span class="kw">pub const </span>EXT2_SUPER_MAGIC: ::c_uint = <span class="number">0x0000ef53</span>; + <span class="kw">pub const </span>EXT3_SUPER_MAGIC: ::c_uint = <span class="number">0x0000ef53</span>; + <span class="kw">pub const </span>EXT4_SUPER_MAGIC: ::c_uint = <span class="number">0x0000ef53</span>; + <span class="kw">pub const </span>F2FS_SUPER_MAGIC: ::c_uint = <span class="number">0xf2f52010</span>; + <span class="kw">pub const </span>FUSE_SUPER_MAGIC: ::c_uint = <span class="number">0x65735546</span>; + <span class="kw">pub const </span>FUTEXFS_SUPER_MAGIC: ::c_uint = <span class="number">0xbad1dea</span>; + <span class="kw">pub const </span>HOSTFS_SUPER_MAGIC: ::c_uint = <span class="number">0x00c0ffee</span>; + <span class="kw">pub const </span>HPFS_SUPER_MAGIC: ::c_uint = <span class="number">0xf995e849</span>; + <span class="kw">pub const </span>HUGETLBFS_MAGIC: ::c_uint = <span class="number">0x958458f6</span>; + <span class="kw">pub const </span>ISOFS_SUPER_MAGIC: ::c_uint = <span class="number">0x00009660</span>; + <span class="kw">pub const </span>JFFS2_SUPER_MAGIC: ::c_uint = <span class="number">0x000072b6</span>; + <span class="kw">pub const </span>MINIX2_SUPER_MAGIC2: ::c_uint = <span class="number">0x00002478</span>; + <span class="kw">pub const </span>MINIX2_SUPER_MAGIC: ::c_uint = <span class="number">0x00002468</span>; + <span class="kw">pub const </span>MINIX3_SUPER_MAGIC: ::c_uint = <span class="number">0x4d5a</span>; + <span class="kw">pub const </span>MINIX_SUPER_MAGIC2: ::c_uint = <span class="number">0x0000138f</span>; + <span class="kw">pub const </span>MINIX_SUPER_MAGIC: ::c_uint = <span class="number">0x0000137f</span>; + <span class="kw">pub const </span>MSDOS_SUPER_MAGIC: ::c_uint = <span class="number">0x00004d44</span>; + <span class="kw">pub const </span>NCP_SUPER_MAGIC: ::c_uint = <span class="number">0x0000564c</span>; + <span class="kw">pub const </span>NFS_SUPER_MAGIC: ::c_uint = <span class="number">0x00006969</span>; + <span class="kw">pub const </span>NILFS_SUPER_MAGIC: ::c_uint = <span class="number">0x3434</span>; + <span class="kw">pub const </span>OCFS2_SUPER_MAGIC: ::c_uint = <span class="number">0x7461636f</span>; + <span class="kw">pub const </span>OPENPROM_SUPER_MAGIC: ::c_uint = <span class="number">0x00009fa1</span>; + <span class="kw">pub const </span>OVERLAYFS_SUPER_MAGIC: ::c_uint = <span class="number">0x794c7630</span>; + <span class="kw">pub const </span>PROC_SUPER_MAGIC: ::c_uint = <span class="number">0x00009fa0</span>; + <span class="kw">pub const </span>QNX4_SUPER_MAGIC: ::c_uint = <span class="number">0x0000002f</span>; + <span class="kw">pub const </span>QNX6_SUPER_MAGIC: ::c_uint = <span class="number">0x68191122</span>; + <span class="kw">pub const </span>RDTGROUP_SUPER_MAGIC: ::c_uint = <span class="number">0x7655821</span>; + <span class="kw">pub const </span>REISERFS_SUPER_MAGIC: ::c_uint = <span class="number">0x52654973</span>; + <span class="kw">pub const </span>SECURITYFS_MAGIC: ::c_uint = <span class="number">0x73636673</span>; + <span class="kw">pub const </span>SELINUX_MAGIC: ::c_uint = <span class="number">0xf97cff8c</span>; + <span class="kw">pub const </span>SMACK_MAGIC: ::c_uint = <span class="number">0x43415d53</span>; + <span class="kw">pub const </span>SMB_SUPER_MAGIC: ::c_uint = <span class="number">0x0000517b</span>; + <span class="kw">pub const </span>SYSFS_MAGIC: ::c_uint = <span class="number">0x62656572</span>; + <span class="kw">pub const </span>TMPFS_MAGIC: ::c_uint = <span class="number">0x01021994</span>; + <span class="kw">pub const </span>TRACEFS_MAGIC: ::c_uint = <span class="number">0x74726163</span>; + <span class="kw">pub const </span>UDF_SUPER_MAGIC: ::c_uint = <span class="number">0x15013346</span>; + <span class="kw">pub const </span>USBDEVICE_SUPER_MAGIC: ::c_uint = <span class="number">0x00009fa2</span>; + <span class="kw">pub const </span>XENFS_SUPER_MAGIC: ::c_uint = <span class="number">0xabba1974</span>; + <span class="kw">pub const </span>NSFS_MAGIC: ::c_uint = <span class="number">0x6e736673</span>; + } +} + +<span class="macro">const_fn! </span>{ + {<span class="kw">const</span>} <span class="kw">fn </span>CMSG_ALIGN(len: usize) -> usize { + len + ::mem::size_of::<usize>() - <span class="number">1 </span>& !(::mem::size_of::<usize>() - <span class="number">1</span>) + } +} + +<span class="macro">f! </span>{ + <span class="kw">pub fn </span>CMSG_FIRSTHDR(mhdr: <span class="kw-2">*const </span>msghdr) -> <span class="kw-2">*mut </span>cmsghdr { + <span class="kw">if </span>(<span class="kw-2">*</span>mhdr).msg_controllen <span class="kw">as </span>usize >= ::mem::size_of::<cmsghdr>() { + (<span class="kw-2">*</span>mhdr).msg_control <span class="kw">as </span><span class="kw-2">*mut </span>cmsghdr + } <span class="kw">else </span>{ + <span class="number">0 </span><span class="kw">as </span><span class="kw-2">*mut </span>cmsghdr + } + } + + <span class="kw">pub fn </span>CMSG_DATA(cmsg: <span class="kw-2">*const </span>cmsghdr) -> <span class="kw-2">*mut </span>::c_uchar { + cmsg.offset(<span class="number">1</span>) <span class="kw">as </span><span class="kw-2">*mut </span>::c_uchar + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>CMSG_SPACE(length: ::c_uint) -> ::c_uint { + (CMSG_ALIGN(length <span class="kw">as </span>usize) + CMSG_ALIGN(::mem::size_of::<cmsghdr>())) + <span class="kw">as </span>::c_uint + } + + <span class="kw">pub fn </span>CMSG_LEN(length: ::c_uint) -> ::c_uint { + CMSG_ALIGN(::mem::size_of::<cmsghdr>()) <span class="kw">as </span>::c_uint + length + } + + <span class="kw">pub fn </span>FD_CLR(fd: ::c_int, set: <span class="kw-2">*mut </span>fd_set) -> () { + <span class="kw">let </span>fd = fd <span class="kw">as </span>usize; + <span class="kw">let </span>size = ::mem::size_of_val(<span class="kw-2">&</span>(<span class="kw-2">*</span>set).fds_bits[<span class="number">0</span>]) * <span class="number">8</span>; + (<span class="kw-2">*</span>set).fds_bits[fd / size] &= !(<span class="number">1 </span><< (fd % size)); + <span class="kw">return + </span>} + + <span class="kw">pub fn </span>FD_ISSET(fd: ::c_int, set: <span class="kw-2">*const </span>fd_set) -> bool { + <span class="kw">let </span>fd = fd <span class="kw">as </span>usize; + <span class="kw">let </span>size = ::mem::size_of_val(<span class="kw-2">&</span>(<span class="kw-2">*</span>set).fds_bits[<span class="number">0</span>]) * <span class="number">8</span>; + <span class="kw">return </span>((<span class="kw-2">*</span>set).fds_bits[fd / size] & (<span class="number">1 </span><< (fd % size))) != <span class="number">0 + </span>} + + <span class="kw">pub fn </span>FD_SET(fd: ::c_int, set: <span class="kw-2">*mut </span>fd_set) -> () { + <span class="kw">let </span>fd = fd <span class="kw">as </span>usize; + <span class="kw">let </span>size = ::mem::size_of_val(<span class="kw-2">&</span>(<span class="kw-2">*</span>set).fds_bits[<span class="number">0</span>]) * <span class="number">8</span>; + (<span class="kw-2">*</span>set).fds_bits[fd / size] |= <span class="number">1 </span><< (fd % size); + <span class="kw">return + </span>} + + <span class="kw">pub fn </span>FD_ZERO(set: <span class="kw-2">*mut </span>fd_set) -> () { + <span class="kw">for </span>slot <span class="kw">in </span>(<span class="kw-2">*</span>set).fds_bits.iter_mut() { + <span class="kw-2">*</span>slot = <span class="number">0</span>; + } + } +} + +<span class="macro">safe_f! </span>{ + <span class="kw">pub fn </span>SIGRTMAX() -> ::c_int { + <span class="kw">unsafe </span>{ __libc_current_sigrtmax() } + } + + <span class="kw">pub fn </span>SIGRTMIN() -> ::c_int { + <span class="kw">unsafe </span>{ __libc_current_sigrtmin() } + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WIFSTOPPED(status: ::c_int) -> bool { + (status & <span class="number">0xff</span>) == <span class="number">0x7f + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WSTOPSIG(status: ::c_int) -> ::c_int { + (status >> <span class="number">8</span>) & <span class="number">0xff + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WIFCONTINUED(status: ::c_int) -> bool { + status == <span class="number">0xffff + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WIFSIGNALED(status: ::c_int) -> bool { + ((status & <span class="number">0x7f</span>) + <span class="number">1</span>) <span class="kw">as </span>i8 >= <span class="number">2 + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WTERMSIG(status: ::c_int) -> ::c_int { + status & <span class="number">0x7f + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WIFEXITED(status: ::c_int) -> bool { + (status & <span class="number">0x7f</span>) == <span class="number">0 + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WEXITSTATUS(status: ::c_int) -> ::c_int { + (status >> <span class="number">8</span>) & <span class="number">0xff + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>WCOREDUMP(status: ::c_int) -> bool { + (status & <span class="number">0x80</span>) != <span class="number">0 + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>W_EXITCODE(ret: ::c_int, sig: ::c_int) -> ::c_int { + (ret << <span class="number">8</span>) | sig + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>W_STOPCODE(sig: ::c_int) -> ::c_int { + (sig << <span class="number">8</span>) | <span class="number">0x7f + </span>} + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>QCMD(cmd: ::c_int, type_: ::c_int) -> ::c_int { + (cmd << <span class="number">8</span>) | (type_ & <span class="number">0x00ff</span>) + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>IPOPT_COPIED(o: u8) -> u8 { + o & IPOPT_COPY + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>IPOPT_CLASS(o: u8) -> u8 { + o & IPOPT_CLASS_MASK + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>IPOPT_NUMBER(o: u8) -> u8 { + o & IPOPT_NUMBER_MASK + } + + <span class="kw">pub </span>{<span class="kw">const</span>} <span class="kw">fn </span>IPTOS_ECN(x: u8) -> u8 { + x & ::IPTOS_ECN_MASK + } +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="attribute">#[doc(hidden)] + </span><span class="kw">pub fn </span>__libc_current_sigrtmax() -> ::c_int; + <span class="attribute">#[doc(hidden)] + </span><span class="kw">pub fn </span>__libc_current_sigrtmin() -> ::c_int; + + <span class="kw">pub fn </span>sem_destroy(sem: <span class="kw-2">*mut </span>sem_t) -> ::c_int; + <span class="kw">pub fn </span>sem_init(sem: <span class="kw-2">*mut </span>sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int; + <span class="kw">pub fn </span>fdatasync(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>mincore(addr: <span class="kw-2">*mut </span>::c_void, len: ::size_t, vec: <span class="kw-2">*mut </span>::c_uchar) -> ::c_int; + + <span class="kw">pub fn </span>clock_getres(clk_id: ::clockid_t, tp: <span class="kw-2">*mut </span>::timespec) -> ::c_int; + <span class="kw">pub fn </span>clock_gettime(clk_id: ::clockid_t, tp: <span class="kw-2">*mut </span>::timespec) -> ::c_int; + <span class="kw">pub fn </span>clock_settime(clk_id: ::clockid_t, tp: <span class="kw-2">*const </span>::timespec) -> ::c_int; + <span class="kw">pub fn </span>clock_getcpuclockid(pid: ::pid_t, clk_id: <span class="kw-2">*mut </span>::clockid_t) -> ::c_int; + + <span class="kw">pub fn </span>dirfd(dirp: <span class="kw-2">*mut </span>::DIR) -> ::c_int; + + <span class="kw">pub fn </span>pthread_getattr_np(native: ::pthread_t, attr: <span class="kw-2">*mut </span>::pthread_attr_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_attr_getstack( + attr: <span class="kw-2">*const </span>::pthread_attr_t, + stackaddr: <span class="kw-2">*mut *mut </span>::c_void, + stacksize: <span class="kw-2">*mut </span>::size_t, + ) -> ::c_int; + <span class="kw">pub fn </span>memalign(align: ::size_t, size: ::size_t) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>setgroups(ngroups: ::size_t, ptr: <span class="kw-2">*const </span>::gid_t) -> ::c_int; + <span class="kw">pub fn </span>pipe2(fds: <span class="kw-2">*mut </span>::c_int, flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>statfs(path: <span class="kw-2">*const </span>::c_char, buf: <span class="kw-2">*mut </span>statfs) -> ::c_int; + <span class="kw">pub fn </span>statfs64(path: <span class="kw-2">*const </span>::c_char, buf: <span class="kw-2">*mut </span>statfs64) -> ::c_int; + <span class="kw">pub fn </span>fstatfs(fd: ::c_int, buf: <span class="kw-2">*mut </span>statfs) -> ::c_int; + <span class="kw">pub fn </span>fstatfs64(fd: ::c_int, buf: <span class="kw-2">*mut </span>statfs64) -> ::c_int; + <span class="kw">pub fn </span>statvfs64(path: <span class="kw-2">*const </span>::c_char, buf: <span class="kw-2">*mut </span>statvfs64) -> ::c_int; + <span class="kw">pub fn </span>fstatvfs64(fd: ::c_int, buf: <span class="kw-2">*mut </span>statvfs64) -> ::c_int; + <span class="kw">pub fn </span>memrchr(cx: <span class="kw-2">*const </span>::c_void, c: ::c_int, n: ::size_t) -> <span class="kw-2">*mut </span>::c_void; + + <span class="kw">pub fn </span>posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>posix_fadvise64( + fd: ::c_int, + offset: ::off64_t, + len: ::off64_t, + advise: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>futimens(fd: ::c_int, times: <span class="kw-2">*const </span>::timespec) -> ::c_int; + <span class="kw">pub fn </span>utimensat( + dirfd: ::c_int, + path: <span class="kw-2">*const </span>::c_char, + times: <span class="kw-2">*const </span>::timespec, + flag: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>duplocale(base: ::locale_t) -> ::locale_t; + <span class="kw">pub fn </span>freelocale(loc: ::locale_t); + <span class="kw">pub fn </span>newlocale(mask: ::c_int, locale: <span class="kw-2">*const </span>::c_char, base: ::locale_t) -> ::locale_t; + <span class="kw">pub fn </span>uselocale(loc: ::locale_t) -> ::locale_t; + <span class="kw">pub fn </span>creat64(path: <span class="kw-2">*const </span>c_char, mode: mode_t) -> ::c_int; + <span class="kw">pub fn </span>fstat64(fildes: ::c_int, buf: <span class="kw-2">*mut </span>stat64) -> ::c_int; + <span class="kw">pub fn </span>fstatat64( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>c_char, + buf: <span class="kw-2">*mut </span>stat64, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int; + <span class="kw">pub fn </span>lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t; + <span class="kw">pub fn </span>lstat64(path: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*mut </span>stat64) -> ::c_int; + <span class="kw">pub fn </span>mmap64( + addr: <span class="kw-2">*mut </span>::c_void, + len: ::size_t, + prot: ::c_int, + flags: ::c_int, + fd: ::c_int, + offset: off64_t, + ) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>open64(path: <span class="kw-2">*const </span>c_char, oflag: ::c_int, ...) -> ::c_int; + <span class="kw">pub fn </span>openat64(fd: ::c_int, path: <span class="kw-2">*const </span>c_char, oflag: ::c_int, ...) -> ::c_int; + <span class="kw">pub fn </span>pread64(fd: ::c_int, buf: <span class="kw-2">*mut </span>::c_void, count: ::size_t, offset: off64_t) -> ::ssize_t; + <span class="kw">pub fn </span>pwrite64( + fd: ::c_int, + buf: <span class="kw-2">*const </span>::c_void, + count: ::size_t, + offset: off64_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>readdir64(dirp: <span class="kw-2">*mut </span>::DIR) -> <span class="kw-2">*mut </span>::dirent64; + <span class="kw">pub fn </span>readdir64_r( + dirp: <span class="kw-2">*mut </span>::DIR, + entry: <span class="kw-2">*mut </span>::dirent64, + result: <span class="kw-2">*mut *mut </span>::dirent64, + ) -> ::c_int; + <span class="kw">pub fn </span>stat64(path: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*mut </span>stat64) -> ::c_int; + <span class="kw">pub fn </span>truncate64(path: <span class="kw-2">*const </span>c_char, length: off64_t) -> ::c_int; + + <span class="kw">pub fn </span>mknodat( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>::c_char, + mode: ::mode_t, + dev: dev_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_condattr_getclock( + attr: <span class="kw-2">*const </span>pthread_condattr_t, + clock_id: <span class="kw-2">*mut </span>clockid_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_condattr_setclock( + attr: <span class="kw-2">*mut </span>pthread_condattr_t, + clock_id: ::clockid_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_condattr_setpshared(attr: <span class="kw-2">*mut </span>pthread_condattr_t, pshared: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_setpshared( + attr: <span class="kw-2">*mut </span>pthread_mutexattr_t, + pshared: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_rwlockattr_getpshared( + attr: <span class="kw-2">*const </span>pthread_rwlockattr_t, + val: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_rwlockattr_setpshared(attr: <span class="kw-2">*mut </span>pthread_rwlockattr_t, val: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>ptsname_r(fd: ::c_int, buf: <span class="kw-2">*mut </span>::c_char, buflen: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>clearenv() -> ::c_int; + <span class="kw">pub fn </span>waitid(idtype: idtype_t, id: id_t, infop: <span class="kw-2">*mut </span>::siginfo_t, options: ::c_int) + -> ::c_int; + <span class="kw">pub fn </span>getresuid(ruid: <span class="kw-2">*mut </span>::uid_t, euid: <span class="kw-2">*mut </span>::uid_t, suid: <span class="kw-2">*mut </span>::uid_t) -> ::c_int; + <span class="kw">pub fn </span>getresgid(rgid: <span class="kw-2">*mut </span>::gid_t, egid: <span class="kw-2">*mut </span>::gid_t, sgid: <span class="kw-2">*mut </span>::gid_t) -> ::c_int; + <span class="kw">pub fn </span>acct(filename: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>brk(addr: <span class="kw-2">*mut </span>::c_void) -> ::c_int; + <span class="kw">pub fn </span>sbrk(increment: ::intptr_t) -> <span class="kw-2">*mut </span>::c_void; + <span class="attribute">#[deprecated( + since = <span class="string">"0.2.66"</span>, + note = <span class="string">"causes memory corruption, see rust-lang/libc#1596" + </span>)] + </span><span class="kw">pub fn </span>vfork() -> ::pid_t; + <span class="kw">pub fn </span>setresgid(rgid: ::gid_t, egid: ::gid_t, sgid: ::gid_t) -> ::c_int; + <span class="kw">pub fn </span>setresuid(ruid: ::uid_t, euid: ::uid_t, suid: ::uid_t) -> ::c_int; + <span class="kw">pub fn </span>wait4( + pid: ::pid_t, + status: <span class="kw-2">*mut </span>::c_int, + options: ::c_int, + rusage: <span class="kw-2">*mut </span>::rusage, + ) -> ::pid_t; + <span class="kw">pub fn </span>login_tty(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>execvpe( + file: <span class="kw-2">*const </span>::c_char, + argv: <span class="kw-2">*const *const </span>::c_char, + envp: <span class="kw-2">*const *const </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>fexecve( + fd: ::c_int, + argv: <span class="kw-2">*const *const </span>::c_char, + envp: <span class="kw-2">*const *const </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>getifaddrs(ifap: <span class="kw-2">*mut *mut </span>::ifaddrs) -> ::c_int; + <span class="kw">pub fn </span>freeifaddrs(ifa: <span class="kw-2">*mut </span>::ifaddrs); + <span class="kw">pub fn </span>bind(socket: ::c_int, address: <span class="kw-2">*const </span>::sockaddr, address_len: ::socklen_t) -> ::c_int; + + <span class="kw">pub fn </span>writev(fd: ::c_int, iov: <span class="kw-2">*const </span>::iovec, iovcnt: ::c_int) -> ::ssize_t; + <span class="kw">pub fn </span>readv(fd: ::c_int, iov: <span class="kw-2">*const </span>::iovec, iovcnt: ::c_int) -> ::ssize_t; + + <span class="kw">pub fn </span>sendmsg(fd: ::c_int, msg: <span class="kw-2">*const </span>::msghdr, flags: ::c_int) -> ::ssize_t; + <span class="kw">pub fn </span>recvmsg(fd: ::c_int, msg: <span class="kw-2">*mut </span>::msghdr, flags: ::c_int) -> ::ssize_t; + <span class="kw">pub fn </span>uname(buf: <span class="kw-2">*mut </span>::utsname) -> ::c_int; +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] </span>{ + <span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>preadv64( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off64_t, + ) -> ::ssize_t; + <span class="kw">pub fn </span>pwritev64( + fd: ::c_int, + iov: <span class="kw-2">*const </span>::iovec, + iovcnt: ::c_int, + offset: ::off64_t, + ) -> ::ssize_t; + <span class="comment">// uclibc has separate non-const version of this function + </span><span class="kw">pub fn </span>forkpty( + amaster: <span class="kw-2">*mut </span>::c_int, + name: <span class="kw-2">*mut </span>::c_char, + termp: <span class="kw-2">*const </span>termios, + winp: <span class="kw-2">*const </span>::winsize, + ) -> ::pid_t; + <span class="comment">// uclibc has separate non-const version of this function + </span><span class="kw">pub fn </span>openpty( + amaster: <span class="kw-2">*mut </span>::c_int, + aslave: <span class="kw-2">*mut </span>::c_int, + name: <span class="kw-2">*mut </span>::c_char, + termp: <span class="kw-2">*const </span>termios, + winp: <span class="kw-2">*const </span>::winsize, + ) -> ::c_int; + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_os = <span class="string">"emscripten"</span>)] </span>{ + <span class="kw">mod </span>emscripten; + <span class="kw">pub use </span><span class="self">self</span>::emscripten::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"linux"</span>)] </span>{ + <span class="kw">mod </span>linux; + <span class="kw">pub use </span><span class="self">self</span>::linux::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"l4re"</span>)] </span>{ + <span class="kw">mod </span>linux; + <span class="kw">pub use </span><span class="self">self</span>::linux::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"android"</span>)] </span>{ + <span class="kw">mod </span>android; + <span class="kw">pub use </span><span class="self">self</span>::android::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="comment">// Unknown target_os + </span>} +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/mod.rs.html new file mode 100644 index 0000000..b6a435c --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/libc/unix/mod.rs.html @@ -0,0 +1,3108 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.138/src/unix/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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id="1133">1133</span> +<span id="1134">1134</span> +<span id="1135">1135</span> +<span id="1136">1136</span> +<span id="1137">1137</span> +<span id="1138">1138</span> +<span id="1139">1139</span> +<span id="1140">1140</span> +<span id="1141">1141</span> +<span id="1142">1142</span> +<span id="1143">1143</span> +<span id="1144">1144</span> +<span id="1145">1145</span> +<span id="1146">1146</span> +<span id="1147">1147</span> +<span id="1148">1148</span> +<span id="1149">1149</span> +<span id="1150">1150</span> +<span id="1151">1151</span> +<span id="1152">1152</span> +<span id="1153">1153</span> +<span id="1154">1154</span> +<span id="1155">1155</span> +<span id="1156">1156</span> +<span id="1157">1157</span> +<span id="1158">1158</span> +<span id="1159">1159</span> +<span id="1160">1160</span> +<span id="1161">1161</span> +<span id="1162">1162</span> +<span id="1163">1163</span> +<span id="1164">1164</span> +<span id="1165">1165</span> +<span id="1166">1166</span> +<span id="1167">1167</span> +<span id="1168">1168</span> +<span id="1169">1169</span> +<span id="1170">1170</span> +<span id="1171">1171</span> +<span id="1172">1172</span> +<span id="1173">1173</span> +<span id="1174">1174</span> +<span id="1175">1175</span> +<span id="1176">1176</span> +<span id="1177">1177</span> +<span id="1178">1178</span> +<span id="1179">1179</span> +<span id="1180">1180</span> +<span id="1181">1181</span> +<span id="1182">1182</span> +<span id="1183">1183</span> +<span id="1184">1184</span> +<span id="1185">1185</span> +<span id="1186">1186</span> +<span id="1187">1187</span> +<span id="1188">1188</span> +<span id="1189">1189</span> +<span id="1190">1190</span> +<span id="1191">1191</span> +<span id="1192">1192</span> +<span id="1193">1193</span> +<span id="1194">1194</span> +<span id="1195">1195</span> +<span id="1196">1196</span> +<span id="1197">1197</span> +<span id="1198">1198</span> +<span id="1199">1199</span> +<span id="1200">1200</span> +<span id="1201">1201</span> +<span id="1202">1202</span> +<span id="1203">1203</span> +<span id="1204">1204</span> +<span id="1205">1205</span> +<span id="1206">1206</span> +<span id="1207">1207</span> +<span id="1208">1208</span> +<span id="1209">1209</span> +<span id="1210">1210</span> +<span id="1211">1211</span> +<span id="1212">1212</span> +<span id="1213">1213</span> +<span id="1214">1214</span> +<span id="1215">1215</span> +<span id="1216">1216</span> +<span id="1217">1217</span> +<span id="1218">1218</span> +<span id="1219">1219</span> +<span id="1220">1220</span> +<span id="1221">1221</span> +<span id="1222">1222</span> +<span id="1223">1223</span> +<span id="1224">1224</span> +<span id="1225">1225</span> +<span id="1226">1226</span> +<span id="1227">1227</span> +<span id="1228">1228</span> +<span id="1229">1229</span> +<span id="1230">1230</span> +<span id="1231">1231</span> +<span id="1232">1232</span> +<span id="1233">1233</span> +<span id="1234">1234</span> +<span id="1235">1235</span> +<span id="1236">1236</span> +<span id="1237">1237</span> +<span id="1238">1238</span> +<span id="1239">1239</span> +<span id="1240">1240</span> +<span id="1241">1241</span> +<span id="1242">1242</span> +<span id="1243">1243</span> +<span id="1244">1244</span> +<span id="1245">1245</span> +<span id="1246">1246</span> +<span id="1247">1247</span> +<span id="1248">1248</span> +<span id="1249">1249</span> +<span id="1250">1250</span> +<span id="1251">1251</span> +<span id="1252">1252</span> +<span id="1253">1253</span> +<span id="1254">1254</span> +<span id="1255">1255</span> +<span id="1256">1256</span> +<span id="1257">1257</span> +<span id="1258">1258</span> +<span id="1259">1259</span> +<span id="1260">1260</span> +<span id="1261">1261</span> +<span id="1262">1262</span> +<span id="1263">1263</span> +<span id="1264">1264</span> +<span id="1265">1265</span> +<span id="1266">1266</span> +<span id="1267">1267</span> +<span id="1268">1268</span> +<span id="1269">1269</span> +<span id="1270">1270</span> +<span id="1271">1271</span> +<span id="1272">1272</span> +<span id="1273">1273</span> +<span id="1274">1274</span> +<span id="1275">1275</span> +<span id="1276">1276</span> +<span id="1277">1277</span> +<span id="1278">1278</span> +<span id="1279">1279</span> +<span id="1280">1280</span> +<span id="1281">1281</span> +<span id="1282">1282</span> +<span id="1283">1283</span> +<span id="1284">1284</span> +<span id="1285">1285</span> +<span id="1286">1286</span> +<span id="1287">1287</span> +<span id="1288">1288</span> +<span id="1289">1289</span> +<span id="1290">1290</span> +<span id="1291">1291</span> +<span id="1292">1292</span> +<span id="1293">1293</span> +<span id="1294">1294</span> +<span id="1295">1295</span> +<span id="1296">1296</span> +<span id="1297">1297</span> +<span id="1298">1298</span> +<span id="1299">1299</span> +<span id="1300">1300</span> +<span id="1301">1301</span> +<span id="1302">1302</span> +<span id="1303">1303</span> +<span id="1304">1304</span> +<span id="1305">1305</span> +<span id="1306">1306</span> +<span id="1307">1307</span> +<span id="1308">1308</span> +<span id="1309">1309</span> +<span id="1310">1310</span> +<span id="1311">1311</span> +<span id="1312">1312</span> +<span id="1313">1313</span> +<span id="1314">1314</span> +<span id="1315">1315</span> +<span id="1316">1316</span> +<span id="1317">1317</span> +<span id="1318">1318</span> +<span id="1319">1319</span> +<span id="1320">1320</span> +<span id="1321">1321</span> +<span id="1322">1322</span> +<span id="1323">1323</span> +<span id="1324">1324</span> +<span id="1325">1325</span> +<span id="1326">1326</span> +<span id="1327">1327</span> +<span id="1328">1328</span> +<span id="1329">1329</span> +<span id="1330">1330</span> +<span id="1331">1331</span> +<span id="1332">1332</span> +<span id="1333">1333</span> +<span id="1334">1334</span> +<span id="1335">1335</span> +<span id="1336">1336</span> +<span id="1337">1337</span> +<span id="1338">1338</span> +<span id="1339">1339</span> +<span id="1340">1340</span> +<span id="1341">1341</span> +<span id="1342">1342</span> +<span id="1343">1343</span> +<span id="1344">1344</span> +<span id="1345">1345</span> +<span id="1346">1346</span> +<span id="1347">1347</span> +<span id="1348">1348</span> +<span id="1349">1349</span> +<span id="1350">1350</span> +<span id="1351">1351</span> +<span id="1352">1352</span> +<span id="1353">1353</span> +<span id="1354">1354</span> +<span id="1355">1355</span> +<span id="1356">1356</span> +<span id="1357">1357</span> +<span id="1358">1358</span> +<span id="1359">1359</span> +<span id="1360">1360</span> +<span id="1361">1361</span> +<span id="1362">1362</span> +<span id="1363">1363</span> +<span id="1364">1364</span> +<span id="1365">1365</span> +<span id="1366">1366</span> +<span id="1367">1367</span> +<span id="1368">1368</span> +<span id="1369">1369</span> +<span id="1370">1370</span> +<span id="1371">1371</span> +<span id="1372">1372</span> +<span id="1373">1373</span> +<span id="1374">1374</span> +<span id="1375">1375</span> +<span id="1376">1376</span> +<span id="1377">1377</span> +<span id="1378">1378</span> +<span id="1379">1379</span> +<span id="1380">1380</span> +<span id="1381">1381</span> +<span id="1382">1382</span> +<span id="1383">1383</span> +<span id="1384">1384</span> +<span id="1385">1385</span> +<span id="1386">1386</span> +<span id="1387">1387</span> +<span id="1388">1388</span> +<span id="1389">1389</span> +<span id="1390">1390</span> +<span id="1391">1391</span> +<span id="1392">1392</span> +<span id="1393">1393</span> +<span id="1394">1394</span> +<span id="1395">1395</span> +<span id="1396">1396</span> +<span id="1397">1397</span> +<span id="1398">1398</span> +<span id="1399">1399</span> +<span id="1400">1400</span> +<span id="1401">1401</span> +<span id="1402">1402</span> +<span id="1403">1403</span> +<span id="1404">1404</span> +<span id="1405">1405</span> +<span id="1406">1406</span> +<span id="1407">1407</span> +<span id="1408">1408</span> +<span id="1409">1409</span> +<span id="1410">1410</span> +<span id="1411">1411</span> +<span id="1412">1412</span> +<span id="1413">1413</span> +<span id="1414">1414</span> +<span id="1415">1415</span> +<span id="1416">1416</span> +<span id="1417">1417</span> +<span id="1418">1418</span> +<span id="1419">1419</span> +<span id="1420">1420</span> +<span id="1421">1421</span> +<span id="1422">1422</span> +<span id="1423">1423</span> +<span id="1424">1424</span> +<span id="1425">1425</span> +<span id="1426">1426</span> +<span id="1427">1427</span> +<span id="1428">1428</span> +<span id="1429">1429</span> +<span id="1430">1430</span> +<span id="1431">1431</span> +<span id="1432">1432</span> +<span id="1433">1433</span> +<span id="1434">1434</span> +<span id="1435">1435</span> +<span id="1436">1436</span> +<span id="1437">1437</span> +<span id="1438">1438</span> +<span id="1439">1439</span> +<span id="1440">1440</span> +<span id="1441">1441</span> +<span id="1442">1442</span> +<span id="1443">1443</span> +<span id="1444">1444</span> +<span id="1445">1445</span> +<span id="1446">1446</span> +<span id="1447">1447</span> +<span id="1448">1448</span> +<span id="1449">1449</span> +<span id="1450">1450</span> +<span id="1451">1451</span> +<span id="1452">1452</span> +<span id="1453">1453</span> +<span id="1454">1454</span> +<span id="1455">1455</span> +<span id="1456">1456</span> +<span id="1457">1457</span> +<span id="1458">1458</span> +<span id="1459">1459</span> +<span id="1460">1460</span> +<span id="1461">1461</span> +<span id="1462">1462</span> +<span id="1463">1463</span> +<span id="1464">1464</span> +<span id="1465">1465</span> +<span id="1466">1466</span> +<span id="1467">1467</span> +<span id="1468">1468</span> +<span id="1469">1469</span> +<span id="1470">1470</span> +<span id="1471">1471</span> +<span id="1472">1472</span> +<span id="1473">1473</span> +<span id="1474">1474</span> +<span id="1475">1475</span> +<span id="1476">1476</span> +<span id="1477">1477</span> +<span id="1478">1478</span> +<span id="1479">1479</span> +<span id="1480">1480</span> +<span id="1481">1481</span> +<span id="1482">1482</span> +<span id="1483">1483</span> +<span id="1484">1484</span> +<span id="1485">1485</span> +<span id="1486">1486</span> +<span id="1487">1487</span> +<span id="1488">1488</span> +<span id="1489">1489</span> +<span id="1490">1490</span> +<span id="1491">1491</span> +<span id="1492">1492</span> +<span id="1493">1493</span> +<span id="1494">1494</span> +<span id="1495">1495</span> +<span id="1496">1496</span> +<span id="1497">1497</span> +<span id="1498">1498</span> +<span id="1499">1499</span> +<span id="1500">1500</span> +<span id="1501">1501</span> +<span id="1502">1502</span> +<span id="1503">1503</span> +<span id="1504">1504</span> +<span id="1505">1505</span> +<span id="1506">1506</span> +<span id="1507">1507</span> +<span id="1508">1508</span> +<span id="1509">1509</span> +<span id="1510">1510</span> +<span id="1511">1511</span> +<span id="1512">1512</span> +<span id="1513">1513</span> +<span id="1514">1514</span> +<span id="1515">1515</span> +<span id="1516">1516</span> +<span id="1517">1517</span> +<span id="1518">1518</span> +<span id="1519">1519</span> +<span id="1520">1520</span> +<span id="1521">1521</span> +<span id="1522">1522</span> +<span id="1523">1523</span> +<span id="1524">1524</span> +<span id="1525">1525</span> +<span id="1526">1526</span> +<span id="1527">1527</span> +<span id="1528">1528</span> +<span id="1529">1529</span> +<span id="1530">1530</span> +<span id="1531">1531</span> +<span id="1532">1532</span> +<span id="1533">1533</span> +<span id="1534">1534</span> +<span id="1535">1535</span> +<span id="1536">1536</span> +<span id="1537">1537</span> +<span id="1538">1538</span> +<span id="1539">1539</span> +<span id="1540">1540</span> +<span id="1541">1541</span> +<span id="1542">1542</span> +<span id="1543">1543</span> +<span id="1544">1544</span> +<span id="1545">1545</span> +<span id="1546">1546</span> +<span id="1547">1547</span> +<span id="1548">1548</span> +<span id="1549">1549</span> +<span id="1550">1550</span> +<span id="1551">1551</span> +<span id="1552">1552</span> +<span id="1553">1553</span> +</pre><pre class="rust"><code><span class="doccomment">//! Definitions found commonly among almost all Unix derivatives +//! +//! More functions and definitions can be found in the more specific modules +//! according to the platform in question. + +</span><span class="kw">pub type </span>c_schar = i8; +<span class="kw">pub type </span>c_uchar = u8; +<span class="kw">pub type </span>c_short = i16; +<span class="kw">pub type </span>c_ushort = u16; +<span class="kw">pub type </span>c_int = i32; +<span class="kw">pub type </span>c_uint = u32; +<span class="kw">pub type </span>c_float = f32; +<span class="kw">pub type </span>c_double = f64; +<span class="kw">pub type </span>c_longlong = i64; +<span class="kw">pub type </span>c_ulonglong = u64; +<span class="kw">pub type </span>intmax_t = i64; +<span class="kw">pub type </span>uintmax_t = u64; + +<span class="kw">pub type </span>size_t = usize; +<span class="kw">pub type </span>ptrdiff_t = isize; +<span class="kw">pub type </span>intptr_t = isize; +<span class="kw">pub type </span>uintptr_t = usize; +<span class="kw">pub type </span>ssize_t = isize; + +<span class="kw">pub type </span>pid_t = i32; +<span class="kw">pub type </span>in_addr_t = u32; +<span class="kw">pub type </span>in_port_t = u16; +<span class="kw">pub type </span>sighandler_t = ::size_t; +<span class="kw">pub type </span>cc_t = ::c_uchar; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"espidf"</span>, target_os = <span class="string">"horizon"</span>))] </span>{ + <span class="kw">pub type </span>uid_t = ::c_ushort; + <span class="kw">pub type </span>gid_t = ::c_ushort; + } <span class="kw">else </span>{ + <span class="kw">pub type </span>uid_t = u32; + <span class="kw">pub type </span>gid_t = u32; + } +} + +<span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug))] +</span><span class="kw">pub enum </span>DIR {} +<span class="kw">impl </span>::Copy <span class="kw">for </span>DIR {} +<span class="kw">impl </span>::Clone <span class="kw">for </span>DIR { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> DIR { + <span class="kw-2">*</span><span class="self">self + </span>} +} +<span class="kw">pub type </span>locale_t = <span class="kw-2">*mut </span>::c_void; + +<span class="macro">s! </span>{ + <span class="kw">pub struct </span>group { + <span class="kw">pub </span>gr_name: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>gr_passwd: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>gr_gid: ::gid_t, + <span class="kw">pub </span>gr_mem: <span class="kw-2">*mut *mut </span>::c_char, + } + + <span class="kw">pub struct </span>utimbuf { + <span class="kw">pub </span>actime: time_t, + <span class="kw">pub </span>modtime: time_t, + } + + <span class="kw">pub struct </span>timeval { + <span class="kw">pub </span>tv_sec: time_t, + <span class="kw">pub </span>tv_usec: suseconds_t, + } + + <span class="comment">// linux x32 compatibility + // See https://sourceware.org/bugzilla/show_bug.cgi?id=16437 + </span><span class="kw">pub struct </span>timespec { + <span class="kw">pub </span>tv_sec: time_t, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span><span class="kw">pub </span>tv_nsec: i64, + <span class="attribute">#[cfg(not(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>)))] + </span><span class="kw">pub </span>tv_nsec: ::c_long, + } + + <span class="kw">pub struct </span>rlimit { + <span class="kw">pub </span>rlim_cur: rlim_t, + <span class="kw">pub </span>rlim_max: rlim_t, + } + + <span class="kw">pub struct </span>rusage { + <span class="kw">pub </span>ru_utime: timeval, + <span class="kw">pub </span>ru_stime: timeval, + <span class="kw">pub </span>ru_maxrss: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad1: u32, + <span class="kw">pub </span>ru_ixrss: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad2: u32, + <span class="kw">pub </span>ru_idrss: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad3: u32, + <span class="kw">pub </span>ru_isrss: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad4: u32, + <span class="kw">pub </span>ru_minflt: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad5: u32, + <span class="kw">pub </span>ru_majflt: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad6: u32, + <span class="kw">pub </span>ru_nswap: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad7: u32, + <span class="kw">pub </span>ru_inblock: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad8: u32, + <span class="kw">pub </span>ru_oublock: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad9: u32, + <span class="kw">pub </span>ru_msgsnd: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad10: u32, + <span class="kw">pub </span>ru_msgrcv: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad11: u32, + <span class="kw">pub </span>ru_nsignals: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad12: u32, + <span class="kw">pub </span>ru_nvcsw: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad13: u32, + <span class="kw">pub </span>ru_nivcsw: c_long, + <span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_pointer_width = <span class="string">"32"</span>))] + </span>__pad14: u32, + + <span class="attribute">#[cfg(any(target_env = <span class="string">"musl"</span>, target_os = <span class="string">"emscripten"</span>))] + </span>__reserved: [c_long; <span class="number">16</span>], + } + + <span class="kw">pub struct </span>ipv6_mreq { + <span class="kw">pub </span>ipv6mr_multiaddr: in6_addr, + <span class="attribute">#[cfg(target_os = <span class="string">"android"</span>)] + </span><span class="kw">pub </span>ipv6mr_interface: ::c_int, + <span class="attribute">#[cfg(not(target_os = <span class="string">"android"</span>))] + </span><span class="kw">pub </span>ipv6mr_interface: ::c_uint, + } + + <span class="kw">pub struct </span>hostent { + <span class="kw">pub </span>h_name: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>h_aliases: <span class="kw-2">*mut *mut </span>::c_char, + <span class="kw">pub </span>h_addrtype: ::c_int, + <span class="kw">pub </span>h_length: ::c_int, + <span class="kw">pub </span>h_addr_list: <span class="kw-2">*mut *mut </span>::c_char, + } + + <span class="kw">pub struct </span>iovec { + <span class="kw">pub </span>iov_base: <span class="kw-2">*mut </span>::c_void, + <span class="kw">pub </span>iov_len: ::size_t, + } + + <span class="kw">pub struct </span>pollfd { + <span class="kw">pub </span>fd: ::c_int, + <span class="kw">pub </span>events: ::c_short, + <span class="kw">pub </span>revents: ::c_short, + } + + <span class="kw">pub struct </span>winsize { + <span class="kw">pub </span>ws_row: ::c_ushort, + <span class="kw">pub </span>ws_col: ::c_ushort, + <span class="kw">pub </span>ws_xpixel: ::c_ushort, + <span class="kw">pub </span>ws_ypixel: ::c_ushort, + } + + <span class="kw">pub struct </span>linger { + <span class="kw">pub </span>l_onoff: ::c_int, + <span class="kw">pub </span>l_linger: ::c_int, + } + + <span class="kw">pub struct </span>sigval { + <span class="comment">// Actually a union of an int and a void* + </span><span class="kw">pub </span>sival_ptr: <span class="kw-2">*mut </span>::c_void + } + + <span class="comment">// <sys/time.h> + </span><span class="kw">pub struct </span>itimerval { + <span class="kw">pub </span>it_interval: ::timeval, + <span class="kw">pub </span>it_value: ::timeval, + } + + <span class="comment">// <sys/times.h> + </span><span class="kw">pub struct </span>tms { + <span class="kw">pub </span>tms_utime: ::clock_t, + <span class="kw">pub </span>tms_stime: ::clock_t, + <span class="kw">pub </span>tms_cutime: ::clock_t, + <span class="kw">pub </span>tms_cstime: ::clock_t, + } + + <span class="kw">pub struct </span>servent { + <span class="kw">pub </span>s_name: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>s_aliases: <span class="kw-2">*mut *mut </span>::c_char, + <span class="kw">pub </span>s_port: ::c_int, + <span class="kw">pub </span>s_proto: <span class="kw-2">*mut </span>::c_char, + } + + <span class="kw">pub struct </span>protoent { + <span class="kw">pub </span>p_name: <span class="kw-2">*mut </span>::c_char, + <span class="kw">pub </span>p_aliases: <span class="kw-2">*mut *mut </span>::c_char, + <span class="kw">pub </span>p_proto: ::c_int, + } +} + +<span class="kw">pub const </span>INT_MIN: c_int = -<span class="number">2147483648</span>; +<span class="kw">pub const </span>INT_MAX: c_int = <span class="number">2147483647</span>; + +<span class="kw">pub const </span>SIG_DFL: sighandler_t = <span class="number">0 </span><span class="kw">as </span>sighandler_t; +<span class="kw">pub const </span>SIG_IGN: sighandler_t = <span class="number">1 </span><span class="kw">as </span>sighandler_t; +<span class="kw">pub const </span>SIG_ERR: sighandler_t = !<span class="number">0 </span><span class="kw">as </span>sighandler_t; + +<span class="kw">pub const </span>DT_UNKNOWN: u8 = <span class="number">0</span>; +<span class="kw">pub const </span>DT_FIFO: u8 = <span class="number">1</span>; +<span class="kw">pub const </span>DT_CHR: u8 = <span class="number">2</span>; +<span class="kw">pub const </span>DT_DIR: u8 = <span class="number">4</span>; +<span class="kw">pub const </span>DT_BLK: u8 = <span class="number">6</span>; +<span class="kw">pub const </span>DT_REG: u8 = <span class="number">8</span>; +<span class="kw">pub const </span>DT_LNK: u8 = <span class="number">10</span>; +<span class="kw">pub const </span>DT_SOCK: u8 = <span class="number">12</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_os = <span class="string">"redox"</span>))] </span>{ + <span class="kw">pub const </span>FD_CLOEXEC: ::c_int = <span class="number">0x1</span>; + } +} + +<span class="kw">pub const </span>USRQUOTA: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>GRPQUOTA: ::c_int = <span class="number">1</span>; + +<span class="kw">pub const </span>SIGIOT: ::c_int = <span class="number">6</span>; + +<span class="kw">pub const </span>S_ISUID: ::mode_t = <span class="number">0x800</span>; +<span class="kw">pub const </span>S_ISGID: ::mode_t = <span class="number">0x400</span>; +<span class="kw">pub const </span>S_ISVTX: ::mode_t = <span class="number">0x200</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(any(target_os = <span class="string">"haiku"</span>, target_os = <span class="string">"illumos"</span>, + target_os = <span class="string">"solaris"</span>)))] </span>{ + <span class="kw">pub const </span>IF_NAMESIZE: ::size_t = <span class="number">16</span>; + <span class="kw">pub const </span>IFNAMSIZ: ::size_t = IF_NAMESIZE; + } +} + +<span class="kw">pub const </span>LOG_EMERG: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>LOG_ALERT: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>LOG_CRIT: ::c_int = <span class="number">2</span>; +<span class="kw">pub const </span>LOG_ERR: ::c_int = <span class="number">3</span>; +<span class="kw">pub const </span>LOG_WARNING: ::c_int = <span class="number">4</span>; +<span class="kw">pub const </span>LOG_NOTICE: ::c_int = <span class="number">5</span>; +<span class="kw">pub const </span>LOG_INFO: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>LOG_DEBUG: ::c_int = <span class="number">7</span>; + +<span class="kw">pub const </span>LOG_KERN: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>LOG_USER: ::c_int = <span class="number">1 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_MAIL: ::c_int = <span class="number">2 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_DAEMON: ::c_int = <span class="number">3 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_AUTH: ::c_int = <span class="number">4 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_SYSLOG: ::c_int = <span class="number">5 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LPR: ::c_int = <span class="number">6 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_NEWS: ::c_int = <span class="number">7 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_UUCP: ::c_int = <span class="number">8 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL0: ::c_int = <span class="number">16 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL1: ::c_int = <span class="number">17 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL2: ::c_int = <span class="number">18 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL3: ::c_int = <span class="number">19 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL4: ::c_int = <span class="number">20 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL5: ::c_int = <span class="number">21 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL6: ::c_int = <span class="number">22 </span><< <span class="number">3</span>; +<span class="kw">pub const </span>LOG_LOCAL7: ::c_int = <span class="number">23 </span><< <span class="number">3</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_os = <span class="string">"haiku"</span>))] </span>{ + <span class="kw">pub const </span>LOG_PID: ::c_int = <span class="number">0x01</span>; + <span class="kw">pub const </span>LOG_CONS: ::c_int = <span class="number">0x02</span>; + <span class="kw">pub const </span>LOG_ODELAY: ::c_int = <span class="number">0x04</span>; + <span class="kw">pub const </span>LOG_NDELAY: ::c_int = <span class="number">0x08</span>; + <span class="kw">pub const </span>LOG_NOWAIT: ::c_int = <span class="number">0x10</span>; + } +} +<span class="kw">pub const </span>LOG_PRIMASK: ::c_int = <span class="number">7</span>; +<span class="kw">pub const </span>LOG_FACMASK: ::c_int = <span class="number">0x3f8</span>; + +<span class="kw">pub const </span>PRIO_MIN: ::c_int = -<span class="number">20</span>; +<span class="kw">pub const </span>PRIO_MAX: ::c_int = <span class="number">20</span>; + +<span class="kw">pub const </span>IPPROTO_ICMP: ::c_int = <span class="number">1</span>; +<span class="kw">pub const </span>IPPROTO_ICMPV6: ::c_int = <span class="number">58</span>; +<span class="kw">pub const </span>IPPROTO_TCP: ::c_int = <span class="number">6</span>; +<span class="kw">pub const </span>IPPROTO_UDP: ::c_int = <span class="number">17</span>; +<span class="kw">pub const </span>IPPROTO_IP: ::c_int = <span class="number">0</span>; +<span class="kw">pub const </span>IPPROTO_IPV6: ::c_int = <span class="number">41</span>; + +<span class="kw">pub const </span>INADDR_LOOPBACK: in_addr_t = <span class="number">2130706433</span>; +<span class="kw">pub const </span>INADDR_ANY: in_addr_t = <span class="number">0</span>; +<span class="kw">pub const </span>INADDR_BROADCAST: in_addr_t = <span class="number">4294967295</span>; +<span class="kw">pub const </span>INADDR_NONE: in_addr_t = <span class="number">4294967295</span>; + +<span class="kw">pub const </span>ARPOP_REQUEST: u16 = <span class="number">1</span>; +<span class="kw">pub const </span>ARPOP_REPLY: u16 = <span class="number">2</span>; + +<span class="kw">pub const </span>ATF_COM: ::c_int = <span class="number">0x02</span>; +<span class="kw">pub const </span>ATF_PERM: ::c_int = <span class="number">0x04</span>; +<span class="kw">pub const </span>ATF_PUBL: ::c_int = <span class="number">0x08</span>; +<span class="kw">pub const </span>ATF_USETRAILERS: ::c_int = <span class="number">0x10</span>; + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"l4re"</span>, target_os = <span class="string">"espidf"</span>))] </span>{ + <span class="comment">// required libraries for L4Re and the ESP-IDF framework are linked externally, ATM + </span>} <span class="kw">else if </span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] </span>{ + <span class="comment">// cargo build, don't pull in anything extra as the libstd dep + // already pulls in all libs. + </span>} <span class="kw">else if </span><span class="attribute">#[cfg(all(target_os = <span class="string">"linux"</span>, + any(target_env = <span class="string">"gnu"</span>, target_env = <span class="string">"uclibc"</span>), + feature = <span class="string">"rustc-dep-of-std"</span>))] </span>{ + <span class="attribute">#[link(name = <span class="string">"util"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"rt"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"pthread"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"m"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"dl"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"c"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"gcc_eh"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"gcc"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"c"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"util"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + #[link(name = <span class="string">"rt"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + #[link(name = <span class="string">"pthread"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + #[link(name = <span class="string">"m"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + #[link(name = <span class="string">"dl"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + #[link(name = <span class="string">"c"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"musl"</span>)] </span>{ + <span class="attribute">#[cfg_attr(feature = <span class="string">"rustc-dep-of-std"</span>, + link(name = <span class="string">"c"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>)))] + #[cfg_attr(feature = <span class="string">"rustc-dep-of-std"</span>, + link(name = <span class="string">"c"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>))))] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"emscripten"</span>)] </span>{ + <span class="attribute">#[link(name = <span class="string">"c"</span>)] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(all(target_os = <span class="string">"android"</span>, feature = <span class="string">"rustc-dep-of-std"</span>))] </span>{ + <span class="attribute">#[link(name = <span class="string">"c"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"m"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>))] + #[link(name = <span class="string">"m"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + #[link(name = <span class="string">"c"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>)))] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"macos"</span>, + target_os = <span class="string">"ios"</span>, + target_os = <span class="string">"tvos"</span>, + target_os = <span class="string">"watchos"</span>, + target_os = <span class="string">"android"</span>, + target_os = <span class="string">"openbsd"</span>))] </span>{ + <span class="attribute">#[link(name = <span class="string">"c"</span>)] + #[link(name = <span class="string">"m"</span>)] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"haiku"</span>)] </span>{ + <span class="attribute">#[link(name = <span class="string">"root"</span>)] + #[link(name = <span class="string">"network"</span>)] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"newlib"</span>)] </span>{ + <span class="attribute">#[link(name = <span class="string">"c"</span>)] + #[link(name = <span class="string">"m"</span>)] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"hermit"</span>)] </span>{ + <span class="comment">// no_default_libraries is set to false for HermitCore, so only a link + // to "pthread" needs to be added. + </span><span class="attribute">#[link(name = <span class="string">"pthread"</span>)] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_env = <span class="string">"illumos"</span>)] </span>{ + <span class="attribute">#[link(name = <span class="string">"c"</span>)] + #[link(name = <span class="string">"m"</span>)] + </span><span class="kw">extern </span>{} + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"redox"</span>)] </span>{ + <span class="attribute">#[cfg_attr(feature = <span class="string">"rustc-dep-of-std"</span>, + link(name = <span class="string">"c"</span>, kind = <span class="string">"static"</span>, modifiers = <span class="string">"-bundle"</span>, + cfg(target_feature = <span class="string">"crt-static"</span>)))] + #[cfg_attr(feature = <span class="string">"rustc-dep-of-std"</span>, + link(name = <span class="string">"c"</span>, cfg(not(target_feature = <span class="string">"crt-static"</span>))))] + </span><span class="kw">extern </span>{} + } <span class="kw">else </span>{ + <span class="attribute">#[link(name = <span class="string">"c"</span>)] + #[link(name = <span class="string">"m"</span>)] + #[link(name = <span class="string">"rt"</span>)] + #[link(name = <span class="string">"pthread"</span>)] + </span><span class="kw">extern </span>{} + } +} + +<span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug))] +</span><span class="kw">pub enum </span>FILE {} +<span class="kw">impl </span>::Copy <span class="kw">for </span>FILE {} +<span class="kw">impl </span>::Clone <span class="kw">for </span>FILE { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> FILE { + <span class="kw-2">*</span><span class="self">self + </span>} +} +<span class="attribute">#[cfg_attr(feature = <span class="string">"extra_traits"</span>, derive(Debug))] +</span><span class="kw">pub enum </span>fpos_t {} <span class="comment">// FIXME: fill this out with a struct +</span><span class="kw">impl </span>::Copy <span class="kw">for </span>fpos_t {} +<span class="kw">impl </span>::Clone <span class="kw">for </span>fpos_t { + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> fpos_t { + <span class="kw-2">*</span><span class="self">self + </span>} +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>isalnum(c: c_int) -> c_int; + <span class="kw">pub fn </span>isalpha(c: c_int) -> c_int; + <span class="kw">pub fn </span>iscntrl(c: c_int) -> c_int; + <span class="kw">pub fn </span>isdigit(c: c_int) -> c_int; + <span class="kw">pub fn </span>isgraph(c: c_int) -> c_int; + <span class="kw">pub fn </span>islower(c: c_int) -> c_int; + <span class="kw">pub fn </span>isprint(c: c_int) -> c_int; + <span class="kw">pub fn </span>ispunct(c: c_int) -> c_int; + <span class="kw">pub fn </span>isspace(c: c_int) -> c_int; + <span class="kw">pub fn </span>isupper(c: c_int) -> c_int; + <span class="kw">pub fn </span>isxdigit(c: c_int) -> c_int; + <span class="kw">pub fn </span>isblank(c: c_int) -> c_int; + <span class="kw">pub fn </span>tolower(c: c_int) -> c_int; + <span class="kw">pub fn </span>toupper(c: c_int) -> c_int; + <span class="kw">pub fn </span>qsort( + base: <span class="kw-2">*mut </span>c_void, + num: size_t, + size: size_t, + compar: ::Option<<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*const </span>c_void, <span class="kw-2">*const </span>c_void) -> c_int>, + ); + <span class="kw">pub fn </span>bsearch( + key: <span class="kw-2">*const </span>c_void, + base: <span class="kw-2">*const </span>c_void, + num: size_t, + size: size_t, + compar: ::Option<<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*const </span>c_void, <span class="kw-2">*const </span>c_void) -> c_int>, + ) -> <span class="kw-2">*mut </span>c_void; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fopen$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fopen(filename: <span class="kw-2">*const </span>c_char, mode: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>FILE; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"freopen$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>freopen(filename: <span class="kw-2">*const </span>c_char, mode: <span class="kw-2">*const </span>c_char, file: <span class="kw-2">*mut </span>FILE) -> <span class="kw-2">*mut </span>FILE; + <span class="kw">pub fn </span>fmemopen(buf: <span class="kw-2">*mut </span>c_void, size: size_t, mode: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>FILE; + <span class="kw">pub fn </span>open_memstream(ptr: <span class="kw-2">*mut *mut </span>c_char, sizeloc: <span class="kw-2">*mut </span>size_t) -> <span class="kw-2">*mut </span>FILE; + + <span class="kw">pub fn </span>fflush(file: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>fclose(file: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>remove(filename: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>rename(oldname: <span class="kw-2">*const </span>c_char, newname: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>tmpfile() -> <span class="kw-2">*mut </span>FILE; + <span class="kw">pub fn </span>setvbuf(stream: <span class="kw-2">*mut </span>FILE, buffer: <span class="kw-2">*mut </span>c_char, mode: c_int, size: size_t) -> c_int; + <span class="kw">pub fn </span>setbuf(stream: <span class="kw-2">*mut </span>FILE, buf: <span class="kw-2">*mut </span>c_char); + <span class="kw">pub fn </span>getchar() -> c_int; + <span class="kw">pub fn </span>putchar(c: c_int) -> c_int; + <span class="kw">pub fn </span>fgetc(stream: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>fgets(buf: <span class="kw-2">*mut </span>c_char, n: c_int, stream: <span class="kw-2">*mut </span>FILE) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>fputc(c: c_int, stream: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fputs$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fputs(s: <span class="kw-2">*const </span>c_char, stream: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>puts(s: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>ungetc(c: c_int, stream: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>fread(ptr: <span class="kw-2">*mut </span>c_void, size: size_t, nobj: size_t, stream: <span class="kw-2">*mut </span>FILE) -> size_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fwrite$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fwrite(ptr: <span class="kw-2">*const </span>c_void, size: size_t, nobj: size_t, stream: <span class="kw-2">*mut </span>FILE) -> size_t; + <span class="kw">pub fn </span>fseek(stream: <span class="kw-2">*mut </span>FILE, offset: c_long, whence: c_int) -> c_int; + <span class="kw">pub fn </span>ftell(stream: <span class="kw-2">*mut </span>FILE) -> c_long; + <span class="kw">pub fn </span>rewind(stream: <span class="kw-2">*mut </span>FILE); + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__fgetpos50"</span>)] + </span><span class="kw">pub fn </span>fgetpos(stream: <span class="kw-2">*mut </span>FILE, ptr: <span class="kw-2">*mut </span>fpos_t) -> c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__fsetpos50"</span>)] + </span><span class="kw">pub fn </span>fsetpos(stream: <span class="kw-2">*mut </span>FILE, ptr: <span class="kw-2">*const </span>fpos_t) -> c_int; + <span class="kw">pub fn </span>feof(stream: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>ferror(stream: <span class="kw-2">*mut </span>FILE) -> c_int; + <span class="kw">pub fn </span>clearerr(stream: <span class="kw-2">*mut </span>FILE); + <span class="kw">pub fn </span>perror(s: <span class="kw-2">*const </span>c_char); + <span class="kw">pub fn </span>atoi(s: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"strtod$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>strtod(s: <span class="kw-2">*const </span>c_char, endp: <span class="kw-2">*mut *mut </span>c_char) -> c_double; + <span class="kw">pub fn </span>strtof(s: <span class="kw-2">*const </span>c_char, endp: <span class="kw-2">*mut *mut </span>c_char) -> c_float; + <span class="kw">pub fn </span>strtol(s: <span class="kw-2">*const </span>c_char, endp: <span class="kw-2">*mut *mut </span>c_char, base: c_int) -> c_long; + <span class="kw">pub fn </span>strtoul(s: <span class="kw-2">*const </span>c_char, endp: <span class="kw-2">*mut *mut </span>c_char, base: c_int) -> c_ulong; + <span class="kw">pub fn </span>calloc(nobj: size_t, size: size_t) -> <span class="kw-2">*mut </span>c_void; + <span class="kw">pub fn </span>malloc(size: size_t) -> <span class="kw-2">*mut </span>c_void; + <span class="kw">pub fn </span>realloc(p: <span class="kw-2">*mut </span>c_void, size: size_t) -> <span class="kw-2">*mut </span>c_void; + <span class="kw">pub fn </span>free(p: <span class="kw-2">*mut </span>c_void); + <span class="kw">pub fn </span>abort() -> !; + <span class="kw">pub fn </span>exit(status: c_int) -> !; + <span class="kw">pub fn </span>_exit(status: c_int) -> !; + <span class="kw">pub fn </span>atexit(cb: <span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn</span>()) -> c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"system$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>system(s: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>getenv(s: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + + <span class="kw">pub fn </span>strcpy(dst: <span class="kw-2">*mut </span>c_char, src: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strncpy(dst: <span class="kw-2">*mut </span>c_char, src: <span class="kw-2">*const </span>c_char, n: size_t) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>stpcpy(dst: <span class="kw-2">*mut </span>c_char, src: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strcat(s: <span class="kw-2">*mut </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strncat(s: <span class="kw-2">*mut </span>c_char, ct: <span class="kw-2">*const </span>c_char, n: size_t) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strcmp(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>strncmp(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char, n: size_t) -> c_int; + <span class="kw">pub fn </span>strcoll(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>strchr(cs: <span class="kw-2">*const </span>c_char, c: c_int) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strrchr(cs: <span class="kw-2">*const </span>c_char, c: c_int) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strspn(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> size_t; + <span class="kw">pub fn </span>strcspn(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> size_t; + <span class="kw">pub fn </span>strdup(cs: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strndup(cs: <span class="kw-2">*const </span>c_char, n: size_t) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strpbrk(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strstr(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strcasecmp(s1: <span class="kw-2">*const </span>c_char, s2: <span class="kw-2">*const </span>c_char) -> c_int; + <span class="kw">pub fn </span>strncasecmp(s1: <span class="kw-2">*const </span>c_char, s2: <span class="kw-2">*const </span>c_char, n: size_t) -> c_int; + <span class="kw">pub fn </span>strlen(cs: <span class="kw-2">*const </span>c_char) -> size_t; + <span class="kw">pub fn </span>strnlen(cs: <span class="kw-2">*const </span>c_char, maxlen: size_t) -> size_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"strerror$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>strerror(n: c_int) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strtok(s: <span class="kw-2">*mut </span>c_char, t: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strtok_r(s: <span class="kw-2">*mut </span>c_char, t: <span class="kw-2">*const </span>c_char, p: <span class="kw-2">*mut *mut </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>strxfrm(s: <span class="kw-2">*mut </span>c_char, ct: <span class="kw-2">*const </span>c_char, n: size_t) -> size_t; + <span class="kw">pub fn </span>strsignal(sig: c_int) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>wcslen(buf: <span class="kw-2">*const </span>wchar_t) -> size_t; + <span class="kw">pub fn </span>wcstombs(dest: <span class="kw-2">*mut </span>c_char, src: <span class="kw-2">*const </span>wchar_t, n: size_t) -> ::size_t; + + <span class="kw">pub fn </span>memchr(cx: <span class="kw-2">*const </span>c_void, c: c_int, n: size_t) -> <span class="kw-2">*mut </span>c_void; + <span class="kw">pub fn </span>wmemchr(cx: <span class="kw-2">*const </span>wchar_t, c: wchar_t, n: size_t) -> <span class="kw-2">*mut </span>wchar_t; + <span class="kw">pub fn </span>memcmp(cx: <span class="kw-2">*const </span>c_void, ct: <span class="kw-2">*const </span>c_void, n: size_t) -> c_int; + <span class="kw">pub fn </span>memcpy(dest: <span class="kw-2">*mut </span>c_void, src: <span class="kw-2">*const </span>c_void, n: size_t) -> <span class="kw-2">*mut </span>c_void; + <span class="kw">pub fn </span>memmove(dest: <span class="kw-2">*mut </span>c_void, src: <span class="kw-2">*const </span>c_void, n: size_t) -> <span class="kw-2">*mut </span>c_void; + <span class="kw">pub fn </span>memset(dest: <span class="kw-2">*mut </span>c_void, c: c_int, n: size_t) -> <span class="kw-2">*mut </span>c_void; +} + +<span class="kw">extern </span><span class="string">"C" </span>{ + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__getpwnam50"</span>)] + </span><span class="kw">pub fn </span>getpwnam(name: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>passwd; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__getpwuid50"</span>)] + </span><span class="kw">pub fn </span>getpwuid(uid: ::uid_t) -> <span class="kw-2">*mut </span>passwd; + + <span class="kw">pub fn </span>fprintf(stream: <span class="kw-2">*mut </span>::FILE, format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>printf(format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>snprintf(s: <span class="kw-2">*mut </span>::c_char, n: ::size_t, format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>sprintf(s: <span class="kw-2">*mut </span>::c_char, format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"linux"</span>, not(target_env = <span class="string">"uclibc"</span>)), + link_name = <span class="string">"__isoc99_fscanf" + </span>)] + </span><span class="kw">pub fn </span>fscanf(stream: <span class="kw-2">*mut </span>::FILE, format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"linux"</span>, not(target_env = <span class="string">"uclibc"</span>)), + link_name = <span class="string">"__isoc99_scanf" + </span>)] + </span><span class="kw">pub fn </span>scanf(format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"linux"</span>, not(target_env = <span class="string">"uclibc"</span>)), + link_name = <span class="string">"__isoc99_sscanf" + </span>)] + </span><span class="kw">pub fn </span>sscanf(s: <span class="kw-2">*const </span>::c_char, format: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>getchar_unlocked() -> ::c_int; + <span class="kw">pub fn </span>putchar_unlocked(c: ::c_int) -> ::c_int; + + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__socket30"</span>)] + #[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__xnet_socket"</span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_socket"</span>)] + </span><span class="kw">pub fn </span>socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int; + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"connect$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__xnet_connect"</span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_connect"</span>)] + </span><span class="kw">pub fn </span>connect(socket: ::c_int, address: <span class="kw-2">*const </span>sockaddr, len: socklen_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"listen$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_listen"</span>)] + </span><span class="kw">pub fn </span>listen(socket: ::c_int, backlog: ::c_int) -> ::c_int; + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"accept$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_accept"</span>)] + </span><span class="kw">pub fn </span>accept(socket: ::c_int, address: <span class="kw-2">*mut </span>sockaddr, address_len: <span class="kw-2">*mut </span>socklen_t) -> ::c_int; + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"getpeername$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_getpeername"</span>)] + </span><span class="kw">pub fn </span>getpeername( + socket: ::c_int, + address: <span class="kw-2">*mut </span>sockaddr, + address_len: <span class="kw-2">*mut </span>socklen_t, + ) -> ::c_int; + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"getsockname$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_getsockname"</span>)] + </span><span class="kw">pub fn </span>getsockname( + socket: ::c_int, + address: <span class="kw-2">*mut </span>sockaddr, + address_len: <span class="kw-2">*mut </span>socklen_t, + ) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_setsockopt"</span>)] + </span><span class="kw">pub fn </span>setsockopt( + socket: ::c_int, + level: ::c_int, + name: ::c_int, + value: <span class="kw-2">*const </span>::c_void, + option_len: socklen_t, + ) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"socketpair$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__xnet_socketpair"</span>)] + </span><span class="kw">pub fn </span>socketpair( + domain: ::c_int, + type_: ::c_int, + protocol: ::c_int, + socket_vector: <span class="kw-2">*mut </span>::c_int, + ) -> ::c_int; + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"sendto$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__xnet_sendto"</span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_sendto"</span>)] + </span><span class="kw">pub fn </span>sendto( + socket: ::c_int, + buf: <span class="kw-2">*const </span>::c_void, + len: ::size_t, + flags: ::c_int, + addr: <span class="kw-2">*const </span>sockaddr, + addrlen: socklen_t, + ) -> ::ssize_t; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_shutdown"</span>)] + </span><span class="kw">pub fn </span>shutdown(socket: ::c_int, how: ::c_int) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"chmod$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>chmod(path: <span class="kw-2">*const </span>c_char, mode: mode_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fchmod$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fchmod(fd: ::c_int, mode: mode_t) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, not(target_arch = <span class="string">"aarch64"</span>)), + link_name = <span class="string">"fstat$INODE64" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__fstat50"</span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"fstat@FBSD_1.0" + </span>)] + </span><span class="kw">pub fn </span>fstat(fildes: ::c_int, buf: <span class="kw-2">*mut </span>stat) -> ::c_int; + + <span class="kw">pub fn </span>mkdir(path: <span class="kw-2">*const </span>c_char, mode: mode_t) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, not(target_arch = <span class="string">"aarch64"</span>)), + link_name = <span class="string">"stat$INODE64" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__stat50"</span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"stat@FBSD_1.0" + </span>)] + </span><span class="kw">pub fn </span>stat(path: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*mut </span>stat) -> ::c_int; + + <span class="kw">pub fn </span>pclose(stream: <span class="kw-2">*mut </span>::FILE) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fdopen$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fdopen(fd: ::c_int, mode: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>::FILE; + <span class="kw">pub fn </span>fileno(stream: <span class="kw-2">*mut </span>::FILE) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"open$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>open(path: <span class="kw-2">*const </span>c_char, oflag: ::c_int, ...) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"creat$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>creat(path: <span class="kw-2">*const </span>c_char, mode: mode_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fcntl$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86_64"</span>), + link_name = <span class="string">"opendir$INODE64" + </span>)] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"opendir$INODE64$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__opendir30"</span>)] + </span><span class="kw">pub fn </span>opendir(dirname: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>::DIR; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, not(target_arch = <span class="string">"aarch64"</span>)), + link_name = <span class="string">"readdir$INODE64" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__readdir30"</span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"readdir@FBSD_1.0" + </span>)] + </span><span class="kw">pub fn </span>readdir(dirp: <span class="kw-2">*mut </span>::DIR) -> <span class="kw-2">*mut </span>::dirent; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"closedir$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>closedir(dirp: <span class="kw-2">*mut </span>::DIR) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86_64"</span>), + link_name = <span class="string">"rewinddir$INODE64" + </span>)] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"rewinddir$INODE64$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>rewinddir(dirp: <span class="kw-2">*mut </span>::DIR); + + <span class="kw">pub fn </span>fchmodat( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>::c_char, + mode: ::mode_t, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>fchown(fd: ::c_int, owner: ::uid_t, group: ::gid_t) -> ::c_int; + <span class="kw">pub fn </span>fchownat( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>::c_char, + owner: ::uid_t, + group: ::gid_t, + flags: ::c_int, + ) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, not(target_arch = <span class="string">"aarch64"</span>)), + link_name = <span class="string">"fstatat$INODE64" + </span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"fstatat@FBSD_1.1" + </span>)] + </span><span class="kw">pub fn </span>fstatat( + dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>::c_char, + buf: <span class="kw-2">*mut </span>stat, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>linkat( + olddirfd: ::c_int, + oldpath: <span class="kw-2">*const </span>::c_char, + newdirfd: ::c_int, + newpath: <span class="kw-2">*const </span>::c_char, + flags: ::c_int, + ) -> ::c_int; + <span class="kw">pub fn </span>renameat( + olddirfd: ::c_int, + oldpath: <span class="kw-2">*const </span>::c_char, + newdirfd: ::c_int, + newpath: <span class="kw-2">*const </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>symlinkat( + target: <span class="kw-2">*const </span>::c_char, + newdirfd: ::c_int, + linkpath: <span class="kw-2">*const </span>::c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>unlinkat(dirfd: ::c_int, pathname: <span class="kw-2">*const </span>::c_char, flags: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>access(path: <span class="kw-2">*const </span>c_char, amode: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>alarm(seconds: ::c_uint) -> ::c_uint; + <span class="kw">pub fn </span>chdir(dir: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>fchdir(dirfd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>chown(path: <span class="kw-2">*const </span>c_char, uid: uid_t, gid: gid_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"lchown$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>lchown(path: <span class="kw-2">*const </span>c_char, uid: uid_t, gid: gid_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"close$NOCANCEL$UNIX2003" + </span>)] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86_64"</span>), + link_name = <span class="string">"close$NOCANCEL" + </span>)] + </span><span class="kw">pub fn </span>close(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>dup(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>dup2(src: ::c_int, dst: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>execl(path: <span class="kw-2">*const </span>c_char, arg0: <span class="kw-2">*const </span>c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>execle(path: <span class="kw-2">*const </span>::c_char, arg0: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>execlp(file: <span class="kw-2">*const </span>::c_char, arg0: <span class="kw-2">*const </span>::c_char, ...) -> ::c_int; + <span class="kw">pub fn </span>execv(prog: <span class="kw-2">*const </span>c_char, argv: <span class="kw-2">*const *const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>execve( + prog: <span class="kw-2">*const </span>c_char, + argv: <span class="kw-2">*const *const </span>c_char, + envp: <span class="kw-2">*const *const </span>c_char, + ) -> ::c_int; + <span class="kw">pub fn </span>execvp(c: <span class="kw-2">*const </span>c_char, argv: <span class="kw-2">*const *const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>fork() -> pid_t; + <span class="kw">pub fn </span>fpathconf(filedes: ::c_int, name: ::c_int) -> c_long; + <span class="kw">pub fn </span>getcwd(buf: <span class="kw-2">*mut </span>c_char, size: ::size_t) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>getegid() -> gid_t; + <span class="kw">pub fn </span>geteuid() -> uid_t; + <span class="kw">pub fn </span>getgid() -> gid_t; + <span class="kw">pub fn </span>getgroups(ngroups_max: ::c_int, groups: <span class="kw-2">*mut </span>gid_t) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"getloginx"</span>)] + </span><span class="kw">pub fn </span>getlogin() -> <span class="kw-2">*mut </span>c_char; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"getopt$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>getopt(argc: ::c_int, argv: <span class="kw-2">*const *mut </span>c_char, optstr: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>getpgid(pid: pid_t) -> pid_t; + <span class="kw">pub fn </span>getpgrp() -> pid_t; + <span class="kw">pub fn </span>getpid() -> pid_t; + <span class="kw">pub fn </span>getppid() -> pid_t; + <span class="kw">pub fn </span>getuid() -> uid_t; + <span class="kw">pub fn </span>isatty(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>link(src: <span class="kw-2">*const </span>c_char, dst: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t; + <span class="kw">pub fn </span>pathconf(path: <span class="kw-2">*const </span>c_char, name: ::c_int) -> c_long; + <span class="kw">pub fn </span>pipe(fds: <span class="kw-2">*mut </span>::c_int) -> ::c_int; + <span class="kw">pub fn </span>posix_memalign(memptr: <span class="kw-2">*mut *mut </span>::c_void, align: ::size_t, size: ::size_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"read$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>read(fd: ::c_int, buf: <span class="kw-2">*mut </span>::c_void, count: ::size_t) -> ::ssize_t; + <span class="kw">pub fn </span>rmdir(path: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="kw">pub fn </span>seteuid(uid: uid_t) -> ::c_int; + <span class="kw">pub fn </span>setegid(gid: gid_t) -> ::c_int; + <span class="kw">pub fn </span>setgid(gid: gid_t) -> ::c_int; + <span class="kw">pub fn </span>setpgid(pid: pid_t, pgid: pid_t) -> ::c_int; + <span class="kw">pub fn </span>setsid() -> pid_t; + <span class="kw">pub fn </span>setuid(uid: uid_t) -> ::c_int; + <span class="kw">pub fn </span>setreuid(ruid: uid_t, euid: uid_t) -> ::c_int; + <span class="kw">pub fn </span>setregid(rgid: gid_t, egid: gid_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"sleep$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>sleep(secs: ::c_uint) -> ::c_uint; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"nanosleep$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__nanosleep50"</span>)] + </span><span class="kw">pub fn </span>nanosleep(rqtp: <span class="kw-2">*const </span>timespec, rmtp: <span class="kw-2">*mut </span>timespec) -> ::c_int; + <span class="kw">pub fn </span>tcgetpgrp(fd: ::c_int) -> pid_t; + <span class="kw">pub fn </span>tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int; + <span class="kw">pub fn </span>ttyname(fd: ::c_int) -> <span class="kw-2">*mut </span>c_char; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"ttyname_r$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__posix_ttyname_r"</span>)] + </span><span class="kw">pub fn </span>ttyname_r(fd: ::c_int, buf: <span class="kw-2">*mut </span>c_char, buflen: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>unlink(c: <span class="kw-2">*const </span>c_char) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"wait$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>wait(status: <span class="kw-2">*mut </span>::c_int) -> pid_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"waitpid$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>waitpid(pid: pid_t, status: <span class="kw-2">*mut </span>::c_int, options: ::c_int) -> pid_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"write$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>write(fd: ::c_int, buf: <span class="kw-2">*const </span>::c_void, count: ::size_t) -> ::ssize_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pread$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pread(fd: ::c_int, buf: <span class="kw-2">*mut </span>::c_void, count: ::size_t, offset: off_t) -> ::ssize_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pwrite$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pwrite(fd: ::c_int, buf: <span class="kw-2">*const </span>::c_void, count: ::size_t, offset: off_t) -> ::ssize_t; + <span class="kw">pub fn </span>umask(mask: mode_t) -> mode_t; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__utime50"</span>)] + </span><span class="kw">pub fn </span>utime(file: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*const </span>utimbuf) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"kill$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>kill(pid: pid_t, sig: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"killpg$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>mlock(addr: <span class="kw-2">*const </span>::c_void, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>munlock(addr: <span class="kw-2">*const </span>::c_void, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>mlockall(flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>munlockall() -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"mmap$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>mmap( + addr: <span class="kw-2">*mut </span>::c_void, + len: ::size_t, + prot: ::c_int, + flags: ::c_int, + fd: ::c_int, + offset: off_t, + ) -> <span class="kw-2">*mut </span>::c_void; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"munmap$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>munmap(addr: <span class="kw-2">*mut </span>::c_void, len: ::size_t) -> ::c_int; + + <span class="kw">pub fn </span>if_nametoindex(ifname: <span class="kw-2">*const </span>c_char) -> ::c_uint; + <span class="kw">pub fn </span>if_indextoname(ifindex: ::c_uint, ifname: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, not(target_arch = <span class="string">"aarch64"</span>)), + link_name = <span class="string">"lstat$INODE64" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__lstat50"</span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"lstat@FBSD_1.0" + </span>)] + </span><span class="kw">pub fn </span>lstat(path: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*mut </span>stat) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fsync$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>fsync(fd: ::c_int) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"setenv$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>setenv(name: <span class="kw-2">*const </span>c_char, val: <span class="kw-2">*const </span>c_char, overwrite: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"unsetenv$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__unsetenv13"</span>)] + </span><span class="kw">pub fn </span>unsetenv(name: <span class="kw-2">*const </span>c_char) -> ::c_int; + + <span class="kw">pub fn </span>symlink(path1: <span class="kw-2">*const </span>c_char, path2: <span class="kw-2">*const </span>c_char) -> ::c_int; + + <span class="kw">pub fn </span>ftruncate(fd: ::c_int, length: off_t) -> ::c_int; + + <span class="kw">pub fn </span>signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__getrusage50"</span>)] + </span><span class="kw">pub fn </span>getrusage(resource: ::c_int, usage: <span class="kw-2">*mut </span>rusage) -> ::c_int; + + <span class="attribute">#[cfg_attr( + any( + target_os = <span class="string">"macos"</span>, + target_os = <span class="string">"ios"</span>, + target_os = <span class="string">"tvos"</span>, + target_os = <span class="string">"watchos" + </span>), + link_name = <span class="string">"realpath$DARWIN_EXTSN" + </span>)] + </span><span class="kw">pub fn </span>realpath(pathname: <span class="kw-2">*const </span>::c_char, resolved: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>flock(fd: ::c_int, operation: ::c_int) -> ::c_int; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__times13"</span>)] + </span><span class="kw">pub fn </span>times(buf: <span class="kw-2">*mut </span>::tms) -> ::clock_t; + + <span class="kw">pub fn </span>pthread_self() -> ::pthread_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_join$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_join(native: ::pthread_t, value: <span class="kw-2">*mut *mut </span>::c_void) -> ::c_int; + <span class="kw">pub fn </span>pthread_exit(value: <span class="kw-2">*mut </span>::c_void) -> !; + <span class="kw">pub fn </span>pthread_attr_init(attr: <span class="kw-2">*mut </span>::pthread_attr_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_attr_destroy(attr: <span class="kw-2">*mut </span>::pthread_attr_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_attr_setstacksize(attr: <span class="kw-2">*mut </span>::pthread_attr_t, stack_size: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_attr_setdetachstate(attr: <span class="kw-2">*mut </span>::pthread_attr_t, state: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>pthread_detach(thread: ::pthread_t) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__libc_thr_yield"</span>)] + </span><span class="kw">pub fn </span>sched_yield() -> ::c_int; + <span class="kw">pub fn </span>pthread_key_create( + key: <span class="kw-2">*mut </span>pthread_key_t, + dtor: ::Option<<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*mut </span>::c_void)>, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_key_delete(key: pthread_key_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_getspecific(key: pthread_key_t) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>pthread_setspecific(key: pthread_key_t, value: <span class="kw-2">*const </span>::c_void) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_init( + lock: <span class="kw-2">*mut </span>pthread_mutex_t, + attr: <span class="kw-2">*const </span>pthread_mutexattr_t, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_destroy(lock: <span class="kw-2">*mut </span>pthread_mutex_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_lock(lock: <span class="kw-2">*mut </span>pthread_mutex_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_trylock(lock: <span class="kw-2">*mut </span>pthread_mutex_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutex_unlock(lock: <span class="kw-2">*mut </span>pthread_mutex_t) -> ::c_int; + + <span class="kw">pub fn </span>pthread_mutexattr_init(attr: <span class="kw-2">*mut </span>pthread_mutexattr_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_mutexattr_destroy$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_mutexattr_destroy(attr: <span class="kw-2">*mut </span>pthread_mutexattr_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_mutexattr_settype(attr: <span class="kw-2">*mut </span>pthread_mutexattr_t, _type: ::c_int) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_cond_init$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_cond_init(cond: <span class="kw-2">*mut </span>pthread_cond_t, attr: <span class="kw-2">*const </span>pthread_condattr_t) + -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_cond_wait$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_cond_wait(cond: <span class="kw-2">*mut </span>pthread_cond_t, lock: <span class="kw-2">*mut </span>pthread_mutex_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_cond_timedwait$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_cond_timedwait( + cond: <span class="kw-2">*mut </span>pthread_cond_t, + lock: <span class="kw-2">*mut </span>pthread_mutex_t, + abstime: <span class="kw-2">*const </span>::timespec, + ) -> ::c_int; + <span class="kw">pub fn </span>pthread_cond_signal(cond: <span class="kw-2">*mut </span>pthread_cond_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_cond_broadcast(cond: <span class="kw-2">*mut </span>pthread_cond_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_cond_destroy(cond: <span class="kw-2">*mut </span>pthread_cond_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_condattr_init(attr: <span class="kw-2">*mut </span>pthread_condattr_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_condattr_destroy(attr: <span class="kw-2">*mut </span>pthread_condattr_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_init$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_init( + lock: <span class="kw-2">*mut </span>pthread_rwlock_t, + attr: <span class="kw-2">*const </span>pthread_rwlockattr_t, + ) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_destroy$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_destroy(lock: <span class="kw-2">*mut </span>pthread_rwlock_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_rdlock$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_rdlock(lock: <span class="kw-2">*mut </span>pthread_rwlock_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_tryrdlock$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_tryrdlock(lock: <span class="kw-2">*mut </span>pthread_rwlock_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_wrlock$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_wrlock(lock: <span class="kw-2">*mut </span>pthread_rwlock_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_trywrlock$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_trywrlock(lock: <span class="kw-2">*mut </span>pthread_rwlock_t) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pthread_rwlock_unlock$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>pthread_rwlock_unlock(lock: <span class="kw-2">*mut </span>pthread_rwlock_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_rwlockattr_init(attr: <span class="kw-2">*mut </span>pthread_rwlockattr_t) -> ::c_int; + <span class="kw">pub fn </span>pthread_rwlockattr_destroy(attr: <span class="kw-2">*mut </span>pthread_rwlockattr_t) -> ::c_int; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__xnet_getsockopt"</span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_getsockopt"</span>)] + </span><span class="kw">pub fn </span>getsockopt( + sockfd: ::c_int, + level: ::c_int, + optname: ::c_int, + optval: <span class="kw-2">*mut </span>::c_void, + optlen: <span class="kw-2">*mut </span>::socklen_t, + ) -> ::c_int; + <span class="kw">pub fn </span>raise(signum: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigaction14"</span>)] + </span><span class="kw">pub fn </span>sigaction(signum: ::c_int, act: <span class="kw-2">*const </span>sigaction, oldact: <span class="kw-2">*mut </span>sigaction) -> ::c_int; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__utimes50"</span>)] + </span><span class="kw">pub fn </span>utimes(filename: <span class="kw-2">*const </span>::c_char, times: <span class="kw-2">*const </span>::timeval) -> ::c_int; + <span class="kw">pub fn </span>dlopen(filename: <span class="kw-2">*const </span>::c_char, flag: ::c_int) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>dlerror() -> <span class="kw-2">*mut </span>::c_char; + <span class="kw">pub fn </span>dlsym(handle: <span class="kw-2">*mut </span>::c_void, symbol: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>::c_void; + <span class="kw">pub fn </span>dlclose(handle: <span class="kw-2">*mut </span>::c_void) -> ::c_int; + <span class="kw">pub fn </span>dladdr(addr: <span class="kw-2">*const </span>::c_void, info: <span class="kw-2">*mut </span>Dl_info) -> ::c_int; + + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr(target_os = <span class="string">"illumos"</span>, link_name = <span class="string">"__xnet_getaddrinfo"</span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_getaddrinfo"</span>)] + </span><span class="kw">pub fn </span>getaddrinfo( + node: <span class="kw-2">*const </span>c_char, + service: <span class="kw-2">*const </span>c_char, + hints: <span class="kw-2">*const </span>addrinfo, + res: <span class="kw-2">*mut *mut </span>addrinfo, + ) -> ::c_int; + <span class="attribute">#[cfg(not(all( + libc_cfg_target_vendor, + target_arch = <span class="string">"powerpc"</span>, + target_vendor = <span class="string">"nintendo" + </span>)))] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_freeaddrinfo"</span>)] + </span><span class="kw">pub fn </span>freeaddrinfo(res: <span class="kw-2">*mut </span>addrinfo); + <span class="kw">pub fn </span>hstrerror(errcode: ::c_int) -> <span class="kw-2">*const </span>::c_char; + <span class="kw">pub fn </span>gai_strerror(errcode: ::c_int) -> <span class="kw-2">*const </span>::c_char; + <span class="attribute">#[cfg_attr( + any( + all(target_os = <span class="string">"linux"</span>, not(target_env = <span class="string">"musl"</span>)), + target_os = <span class="string">"freebsd"</span>, + target_os = <span class="string">"dragonfly"</span>, + target_os = <span class="string">"haiku" + </span>), + link_name = <span class="string">"__res_init" + </span>)] + #[cfg_attr( + any( + target_os = <span class="string">"macos"</span>, + target_os = <span class="string">"ios"</span>, + target_os = <span class="string">"tvos"</span>, + target_os = <span class="string">"watchos" + </span>), + link_name = <span class="string">"res_9_init" + </span>)] + </span><span class="kw">pub fn </span>res_init() -> ::c_int; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__gmtime_r50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>gmtime_r(time_p: <span class="kw-2">*const </span>time_t, result: <span class="kw-2">*mut </span>tm) -> <span class="kw-2">*mut </span>tm; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__localtime_r50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>localtime_r(time_p: <span class="kw-2">*const </span>time_t, result: <span class="kw-2">*mut </span>tm) -> <span class="kw-2">*mut </span>tm; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"mktime$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__mktime50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>mktime(tm: <span class="kw-2">*mut </span>tm) -> time_t; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__time50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>time(time: <span class="kw-2">*mut </span>time_t) -> time_t; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__gmtime50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>gmtime(time_p: <span class="kw-2">*const </span>time_t) -> <span class="kw-2">*mut </span>tm; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__locatime50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>localtime(time_p: <span class="kw-2">*const </span>time_t) -> <span class="kw-2">*mut </span>tm; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__difftime50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>difftime(time1: time_t, time0: time_t) -> ::c_double; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__timegm50"</span>)] + #[cfg_attr(target_env = <span class="string">"musl"</span>, allow(deprecated))] + </span><span class="comment">// FIXME: for `time_t` + </span><span class="kw">pub fn </span>timegm(tm: <span class="kw-2">*mut </span>::tm) -> time_t; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__mknod50"</span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"mknod@FBSD_1.0" + </span>)] + </span><span class="kw">pub fn </span>mknod(pathname: <span class="kw-2">*const </span>::c_char, mode: ::mode_t, dev: ::dev_t) -> ::c_int; + <span class="kw">pub fn </span>gethostname(name: <span class="kw-2">*mut </span>::c_char, len: ::size_t) -> ::c_int; + <span class="kw">pub fn </span>endservent(); + <span class="kw">pub fn </span>getservbyname(name: <span class="kw-2">*const </span>::c_char, proto: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>servent; + <span class="kw">pub fn </span>getservbyport(port: ::c_int, proto: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>servent; + <span class="kw">pub fn </span>getservent() -> <span class="kw-2">*mut </span>servent; + <span class="kw">pub fn </span>setservent(stayopen: ::c_int); + <span class="kw">pub fn </span>getprotobyname(name: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>protoent; + <span class="kw">pub fn </span>getprotobynumber(proto: ::c_int) -> <span class="kw-2">*mut </span>protoent; + <span class="kw">pub fn </span>chroot(name: <span class="kw-2">*const </span>::c_char) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"usleep$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>usleep(secs: ::c_uint) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"send$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_send"</span>)] + </span><span class="kw">pub fn </span>send(socket: ::c_int, buf: <span class="kw-2">*const </span>::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"recv$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"espidf"</span>, link_name = <span class="string">"lwip_recv"</span>)] + </span><span class="kw">pub fn </span>recv(socket: ::c_int, buf: <span class="kw-2">*mut </span>::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"putenv$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__putenv50"</span>)] + </span><span class="kw">pub fn </span>putenv(string: <span class="kw-2">*mut </span>c_char) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"poll$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>poll(fds: <span class="kw-2">*mut </span>pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86_64"</span>), + link_name = <span class="string">"select$1050" + </span>)] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"select$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__select50"</span>)] + </span><span class="kw">pub fn </span>select( + nfds: ::c_int, + readfds: <span class="kw-2">*mut </span>fd_set, + writefds: <span class="kw-2">*mut </span>fd_set, + errorfds: <span class="kw-2">*mut </span>fd_set, + timeout: <span class="kw-2">*mut </span>timeval, + ) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__setlocale50"</span>)] + </span><span class="kw">pub fn </span>setlocale(category: ::c_int, locale: <span class="kw-2">*const </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + <span class="kw">pub fn </span>localeconv() -> <span class="kw-2">*mut </span>lconv; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"sem_wait$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>sem_wait(sem: <span class="kw-2">*mut </span>sem_t) -> ::c_int; + <span class="kw">pub fn </span>sem_trywait(sem: <span class="kw-2">*mut </span>sem_t) -> ::c_int; + <span class="kw">pub fn </span>sem_post(sem: <span class="kw-2">*mut </span>sem_t) -> ::c_int; + <span class="kw">pub fn </span>statvfs(path: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*mut </span>statvfs) -> ::c_int; + <span class="kw">pub fn </span>fstatvfs(fd: ::c_int, buf: <span class="kw-2">*mut </span>statvfs) -> ::c_int; + + <span class="kw">pub fn </span>readlink(path: <span class="kw-2">*const </span>c_char, buf: <span class="kw-2">*mut </span>c_char, bufsz: ::size_t) -> ::ssize_t; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigemptyset14"</span>)] + </span><span class="kw">pub fn </span>sigemptyset(set: <span class="kw-2">*mut </span>sigset_t) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigaddset14"</span>)] + </span><span class="kw">pub fn </span>sigaddset(set: <span class="kw-2">*mut </span>sigset_t, signum: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigfillset14"</span>)] + </span><span class="kw">pub fn </span>sigfillset(set: <span class="kw-2">*mut </span>sigset_t) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigdelset14"</span>)] + </span><span class="kw">pub fn </span>sigdelset(set: <span class="kw-2">*mut </span>sigset_t, signum: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigismember14"</span>)] + </span><span class="kw">pub fn </span>sigismember(set: <span class="kw-2">*const </span>sigset_t, signum: ::c_int) -> ::c_int; + + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigprocmask14"</span>)] + </span><span class="kw">pub fn </span>sigprocmask(how: ::c_int, set: <span class="kw-2">*const </span>sigset_t, oldset: <span class="kw-2">*mut </span>sigset_t) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__sigpending14"</span>)] + </span><span class="kw">pub fn </span>sigpending(set: <span class="kw-2">*mut </span>sigset_t) -> ::c_int; + + <span class="kw">pub fn </span>sysconf(name: ::c_int) -> ::c_long; + + <span class="kw">pub fn </span>mkfifo(path: <span class="kw-2">*const </span>c_char, mode: mode_t) -> ::c_int; + + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86_64"</span>), + link_name = <span class="string">"pselect$1050" + </span>)] + #[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pselect$UNIX2003" + </span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__pselect50"</span>)] + </span><span class="kw">pub fn </span>pselect( + nfds: ::c_int, + readfds: <span class="kw-2">*mut </span>fd_set, + writefds: <span class="kw-2">*mut </span>fd_set, + errorfds: <span class="kw-2">*mut </span>fd_set, + timeout: <span class="kw-2">*const </span>timespec, + sigmask: <span class="kw-2">*const </span>sigset_t, + ) -> ::c_int; + <span class="kw">pub fn </span>fseeko(stream: <span class="kw-2">*mut </span>::FILE, offset: ::off_t, whence: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>ftello(stream: <span class="kw-2">*mut </span>::FILE) -> ::off_t; + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"tcdrain$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>tcdrain(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>cfgetispeed(termios: <span class="kw-2">*const </span>::termios) -> ::speed_t; + <span class="kw">pub fn </span>cfgetospeed(termios: <span class="kw-2">*const </span>::termios) -> ::speed_t; + <span class="kw">pub fn </span>cfsetispeed(termios: <span class="kw-2">*mut </span>::termios, speed: ::speed_t) -> ::c_int; + <span class="kw">pub fn </span>cfsetospeed(termios: <span class="kw-2">*mut </span>::termios, speed: ::speed_t) -> ::c_int; + <span class="kw">pub fn </span>tcgetattr(fd: ::c_int, termios: <span class="kw-2">*mut </span>::termios) -> ::c_int; + <span class="kw">pub fn </span>tcsetattr(fd: ::c_int, optional_actions: ::c_int, termios: <span class="kw-2">*const </span>::termios) -> ::c_int; + <span class="kw">pub fn </span>tcflow(fd: ::c_int, action: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>tcflush(fd: ::c_int, action: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>tcgetsid(fd: ::c_int) -> ::pid_t; + <span class="kw">pub fn </span>tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>mkstemp(template: <span class="kw-2">*mut </span>::c_char) -> ::c_int; + <span class="kw">pub fn </span>mkdtemp(template: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>tmpnam(ptr: <span class="kw-2">*mut </span>::c_char) -> <span class="kw-2">*mut </span>::c_char; + + <span class="kw">pub fn </span>openlog(ident: <span class="kw-2">*const </span>::c_char, logopt: ::c_int, facility: ::c_int); + <span class="kw">pub fn </span>closelog(); + <span class="kw">pub fn </span>setlogmask(maskpri: ::c_int) -> ::c_int; + <span class="attribute">#[cfg_attr(target_os = <span class="string">"macos"</span>, link_name = <span class="string">"syslog$DARWIN_EXTSN"</span>)] + </span><span class="kw">pub fn </span>syslog(priority: ::c_int, message: <span class="kw-2">*const </span>::c_char, ...); + <span class="attribute">#[cfg_attr( + all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"nice$UNIX2003" + </span>)] + </span><span class="kw">pub fn </span>nice(incr: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>grantpt(fd: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>posix_openpt(flags: ::c_int) -> ::c_int; + <span class="kw">pub fn </span>ptsname(fd: ::c_int) -> <span class="kw-2">*mut </span>::c_char; + <span class="kw">pub fn </span>unlockpt(fd: ::c_int) -> ::c_int; + + <span class="kw">pub fn </span>strcasestr(cs: <span class="kw-2">*const </span>c_char, ct: <span class="kw-2">*const </span>c_char) -> <span class="kw-2">*mut </span>c_char; + <span class="kw">pub fn </span>getline(lineptr: <span class="kw-2">*mut *mut </span>c_char, n: <span class="kw-2">*mut </span>size_t, stream: <span class="kw-2">*mut </span>FILE) -> ssize_t; + + <span class="kw">pub fn </span>lockf(fd: ::c_int, cmd: ::c_int, len: ::off_t) -> ::c_int; + +} +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(any(target_os = <span class="string">"emscripten"</span>, + target_os = <span class="string">"android"</span>, + target_os = <span class="string">"haiku"</span>)))] </span>{ + <span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>adjtime(delta: <span class="kw-2">*const </span>timeval, olddelta: <span class="kw-2">*mut </span>timeval) -> ::c_int; + <span class="kw">pub fn </span>stpncpy(dst: <span class="kw-2">*mut </span>c_char, src: <span class="kw-2">*const </span>c_char, n: size_t) -> <span class="kw-2">*mut </span>c_char; + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_env = <span class="string">"uclibc"</span>))] </span>{ + <span class="kw">extern </span><span class="string">"C" </span>{ + <span class="kw">pub fn </span>open_wmemstream( + ptr: <span class="kw-2">*mut *mut </span>wchar_t, + sizeloc: <span class="kw-2">*mut </span>size_t, + ) -> <span class="kw-2">*mut </span>FILE; + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(target_os = <span class="string">"redox"</span>))] </span>{ + <span class="kw">extern </span>{ + <span class="kw">pub fn </span>getsid(pid: pid_t) -> pid_t; + <span class="kw">pub fn </span>truncate(path: <span class="kw-2">*const </span>c_char, length: off_t) -> ::c_int; + <span class="attribute">#[cfg_attr(all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"pause$UNIX2003"</span>)] + </span><span class="kw">pub fn </span>pause() -> ::c_int; + + <span class="kw">pub fn </span>readlinkat(dirfd: ::c_int, + pathname: <span class="kw-2">*const </span>::c_char, + buf: <span class="kw-2">*mut </span>::c_char, + bufsiz: ::size_t) -> ::ssize_t; + <span class="kw">pub fn </span>mkdirat(dirfd: ::c_int, pathname: <span class="kw-2">*const </span>::c_char, + mode: ::mode_t) -> ::c_int; + <span class="kw">pub fn </span>openat(dirfd: ::c_int, pathname: <span class="kw-2">*const </span>::c_char, + flags: ::c_int, ...) -> ::c_int; + + <span class="attribute">#[cfg_attr(all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86_64"</span>), + link_name = <span class="string">"fdopendir$INODE64"</span>)] + #[cfg_attr(all(target_os = <span class="string">"macos"</span>, target_arch = <span class="string">"x86"</span>), + link_name = <span class="string">"fdopendir$INODE64$UNIX2003"</span>)] + </span><span class="kw">pub fn </span>fdopendir(fd: ::c_int) -> <span class="kw-2">*mut </span>::DIR; + + <span class="attribute">#[cfg_attr(all(target_os = <span class="string">"macos"</span>, not(target_arch = <span class="string">"aarch64"</span>)), + link_name = <span class="string">"readdir_r$INODE64"</span>)] + #[cfg_attr(target_os = <span class="string">"netbsd"</span>, link_name = <span class="string">"__readdir_r30"</span>)] + #[cfg_attr( + all(target_os = <span class="string">"freebsd"</span>, any(freebsd11, freebsd10)), + link_name = <span class="string">"readdir_r@FBSD_1.0" + </span>)] + #[allow(non_autolinks)] </span><span class="comment">// FIXME: `<>` breaks line length limit. + </span><span class="doccomment">/// The 64-bit libc on Solaris and illumos only has readdir_r. If a + /// 32-bit Solaris or illumos target is ever created, it should use + /// __posix_readdir_r. See libc(3LIB) on Solaris or illumos: + /// https://illumos.org/man/3lib/libc + /// https://docs.oracle.com/cd/E36784_01/html/E36873/libc-3lib.html + /// https://www.unix.com/man-page/opensolaris/3LIB/libc/ + </span><span class="kw">pub fn </span>readdir_r(dirp: <span class="kw-2">*mut </span>::DIR, entry: <span class="kw-2">*mut </span>::dirent, + result: <span class="kw-2">*mut *mut </span>::dirent) -> ::c_int; + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(not(any(target_os = <span class="string">"solaris"</span>, target_os = <span class="string">"illumos"</span>)))] </span>{ + <span class="kw">extern </span>{ + <span class="kw">pub fn </span>cfmakeraw(termios: <span class="kw-2">*mut </span>::termios); + <span class="kw">pub fn </span>cfsetspeed(termios: <span class="kw-2">*mut </span>::termios, + speed: ::speed_t) -> ::c_int; + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(target_env = <span class="string">"newlib"</span>)] </span>{ + <span class="kw">mod </span>newlib; + <span class="kw">pub use </span><span class="self">self</span>::newlib::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, + target_os = <span class="string">"l4re"</span>, + target_os = <span class="string">"android"</span>, + target_os = <span class="string">"emscripten"</span>))] </span>{ + <span class="kw">mod </span>linux_like; + <span class="kw">pub use </span><span class="self">self</span>::linux_like::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"macos"</span>, + target_os = <span class="string">"ios"</span>, + target_os = <span class="string">"tvos"</span>, + target_os = <span class="string">"watchos"</span>, + target_os = <span class="string">"freebsd"</span>, + target_os = <span class="string">"dragonfly"</span>, + target_os = <span class="string">"openbsd"</span>, + target_os = <span class="string">"netbsd"</span>))] </span>{ + <span class="kw">mod </span>bsd; + <span class="kw">pub use </span><span class="self">self</span>::bsd::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(any(target_os = <span class="string">"solaris"</span>, + target_os = <span class="string">"illumos"</span>))] </span>{ + <span class="kw">mod </span>solarish; + <span class="kw">pub use </span><span class="self">self</span>::solarish::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"haiku"</span>)] </span>{ + <span class="kw">mod </span>haiku; + <span class="kw">pub use </span><span class="self">self</span>::haiku::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"hermit"</span>)] </span>{ + <span class="kw">mod </span>hermit; + <span class="kw">pub use </span><span class="self">self</span>::hermit::<span class="kw-2">*</span>; + } <span class="kw">else if </span><span class="attribute">#[cfg(target_os = <span class="string">"redox"</span>)] </span>{ + <span class="kw">mod </span>redox; + <span class="kw">pub use </span><span class="self">self</span>::redox::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="comment">// Unknown target_os + </span>} +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_core_cvoid)] </span>{ + <span class="kw">pub use </span>::ffi::c_void; + } <span class="kw">else </span>{ + <span class="comment">// Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help + // enable more optimization opportunities around it recognizing things + // like malloc/free. + </span><span class="attribute">#[repr(u8)] + #[allow(missing_copy_implementations)] + #[allow(missing_debug_implementations)] + </span><span class="kw">pub enum </span>c_void { + <span class="comment">// Two dummy variants so the #[repr] attribute can be used. + </span><span class="attribute">#[doc(hidden)] + </span>__variant1, + <span class="attribute">#[doc(hidden)] + </span>__variant2, + } + } +} + +<span class="macro">cfg_if! </span>{ + <span class="kw">if </span><span class="attribute">#[cfg(libc_align)] </span>{ + <span class="kw">mod </span>align; + <span class="kw">pub use </span><span class="self">self</span>::align::<span class="kw-2">*</span>; + } <span class="kw">else </span>{ + <span class="kw">mod </span>no_align; + <span class="kw">pub use </span><span class="self">self</span>::no_align::<span class="kw-2">*</span>; + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/lib.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/lib.rs.html new file mode 100644 index 0000000..8188dea --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/lib.rs.html @@ -0,0 +1,46 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/ppv-lite86-0.2.17/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../ppv_lite86/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +</pre><pre class="rust"><code><span class="attribute">#![no_std] + +</span><span class="comment">// Design: +// - safety: safe creation of any machine type is done only by instance methods of a +// Machine (which is a ZST + Copy type), which can only by created unsafely or safely +// through feature detection (e.g. fn AVX2::try_get() -> Option<Machine>). + +</span><span class="kw">mod </span>soft; +<span class="kw">mod </span>types; +<span class="kw">pub use </span><span class="self">self</span>::types::<span class="kw-2">*</span>; + +<span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_feature = <span class="string">"sse2"</span>, not(feature = <span class="string">"no_simd"</span>), not(miri)))] +</span><span class="kw">pub mod </span>x86_64; +<span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, target_feature = <span class="string">"sse2"</span>, not(feature = <span class="string">"no_simd"</span>), not(miri)))] +</span><span class="kw">use </span><span class="self">self</span>::x86_64 <span class="kw">as </span>arch; + +<span class="attribute">#[cfg(any(feature = <span class="string">"no_simd"</span>, miri, not(target_arch = <span class="string">"x86_64"</span>), all(target_arch = <span class="string">"x86_64"</span>, not(target_feature = <span class="string">"sse2"</span>))))] +</span><span class="kw">pub mod </span>generic; +<span class="attribute">#[cfg(any(feature = <span class="string">"no_simd"</span>, miri, not(target_arch = <span class="string">"x86_64"</span>), all(target_arch = <span class="string">"x86_64"</span>, not(target_feature = <span class="string">"sse2"</span>))))] +</span><span class="kw">use </span><span class="self">self</span>::generic <span class="kw">as </span>arch; + +<span class="kw">pub use </span><span class="self">self</span>::arch::{vec128_storage, vec256_storage, vec512_storage}; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="ppv_lite86" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/soft.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/soft.rs.html new file mode 100644 index 0000000..15a524c --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/soft.rs.html @@ -0,0 +1,946 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/ppv-lite86-0.2.17/src/soft.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>soft.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../ppv_lite86/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +<span id="177">177</span> +<span id="178">178</span> +<span id="179">179</span> +<span id="180">180</span> +<span id="181">181</span> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +<span id="219">219</span> +<span id="220">220</span> +<span id="221">221</span> +<span id="222">222</span> +<span id="223">223</span> +<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +<span id="323">323</span> +<span id="324">324</span> +<span id="325">325</span> +<span id="326">326</span> +<span id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +<span id="344">344</span> +<span id="345">345</span> +<span id="346">346</span> +<span id="347">347</span> +<span id="348">348</span> +<span id="349">349</span> +<span id="350">350</span> +<span id="351">351</span> +<span id="352">352</span> +<span id="353">353</span> +<span id="354">354</span> +<span id="355">355</span> +<span id="356">356</span> +<span id="357">357</span> +<span id="358">358</span> +<span id="359">359</span> +<span id="360">360</span> +<span id="361">361</span> +<span id="362">362</span> +<span id="363">363</span> +<span id="364">364</span> +<span id="365">365</span> +<span id="366">366</span> +<span id="367">367</span> +<span id="368">368</span> +<span id="369">369</span> +<span id="370">370</span> +<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +<span id="387">387</span> +<span id="388">388</span> +<span id="389">389</span> +<span id="390">390</span> +<span id="391">391</span> +<span id="392">392</span> +<span id="393">393</span> +<span id="394">394</span> +<span id="395">395</span> +<span id="396">396</span> +<span id="397">397</span> +<span id="398">398</span> +<span id="399">399</span> +<span id="400">400</span> +<span id="401">401</span> +<span id="402">402</span> +<span id="403">403</span> +<span id="404">404</span> +<span id="405">405</span> +<span id="406">406</span> +<span id="407">407</span> +<span id="408">408</span> +<span id="409">409</span> +<span id="410">410</span> +<span id="411">411</span> +<span id="412">412</span> +<span id="413">413</span> +<span id="414">414</span> +<span id="415">415</span> +<span id="416">416</span> +<span id="417">417</span> +<span id="418">418</span> +<span id="419">419</span> +<span id="420">420</span> +<span id="421">421</span> +<span id="422">422</span> +<span id="423">423</span> +<span id="424">424</span> +<span id="425">425</span> +<span id="426">426</span> +<span id="427">427</span> +<span id="428">428</span> +<span id="429">429</span> +<span id="430">430</span> +<span id="431">431</span> +<span id="432">432</span> +<span id="433">433</span> +<span id="434">434</span> +<span id="435">435</span> +<span id="436">436</span> +<span id="437">437</span> +<span id="438">438</span> +<span id="439">439</span> +<span id="440">440</span> +<span id="441">441</span> +<span id="442">442</span> +<span id="443">443</span> +<span id="444">444</span> +<span id="445">445</span> +<span id="446">446</span> +<span id="447">447</span> +<span id="448">448</span> +<span id="449">449</span> +<span id="450">450</span> +<span id="451">451</span> +<span id="452">452</span> +<span id="453">453</span> +<span id="454">454</span> +<span id="455">455</span> +<span id="456">456</span> +<span id="457">457</span> +<span id="458">458</span> +<span id="459">459</span> +<span id="460">460</span> +<span id="461">461</span> +<span id="462">462</span> +<span id="463">463</span> +<span id="464">464</span> +<span id="465">465</span> +<span id="466">466</span> +<span id="467">467</span> +<span id="468">468</span> +<span id="469">469</span> +<span id="470">470</span> +<span id="471">471</span> +<span id="472">472</span> +</pre><pre class="rust"><code><span class="doccomment">//! Implement 256- and 512- bit in terms of 128-bit, for machines without native wide SIMD. + +</span><span class="kw">use </span><span class="kw">crate</span>::types::<span class="kw-2">*</span>; +<span class="kw">use crate</span>::{vec128_storage, vec256_storage, vec512_storage}; +<span class="kw">use </span>core::marker::PhantomData; +<span class="kw">use </span>core::ops::<span class="kw-2">*</span>; + +<span class="attribute">#[derive(Copy, Clone, Default)] +#[allow(non_camel_case_types)] +</span><span class="kw">pub struct </span>x2<W, G>(<span class="kw">pub </span>[W; <span class="number">2</span>], PhantomData<G>); +<span class="kw">impl</span><W, G> x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>new(xs: [W; <span class="number">2</span>]) -> <span class="self">Self </span>{ + x2(xs, PhantomData) + } +} +<span class="macro">macro_rules! </span>fwd_binop_x2 { + (<span class="macro-nonterminal">$</span><span class="kw">trait</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$</span><span class="kw">fn</span>:<span class="macro-nonterminal">ident</span>) => { + <span class="kw">impl</span><W: <span class="macro-nonterminal">$</span><span class="kw">trait </span>+ <span class="macro-nonterminal">Copy</span>, G> <span class="macro-nonterminal">$</span><span class="kw">trait for </span><span class="macro-nonterminal">x2</span><W, G> { + <span class="kw">type </span>Output = x2<W::Output, G>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">self</span>, rhs: <span class="self">Self</span>) -> <span class="self">Self</span>::Output { + x2::new([<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>.<span class="number">0</span>[<span class="number">0</span>]), <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>.<span class="number">0</span>[<span class="number">1</span>])]) + } + } + }; +} +<span class="macro">macro_rules! </span>fwd_binop_assign_x2 { + (<span class="macro-nonterminal">$</span><span class="kw">trait</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$fn_assign</span>:ident) => { + <span class="kw">impl</span><W: <span class="macro-nonterminal">$</span><span class="kw">trait </span>+ <span class="macro-nonterminal">Copy</span>, G> <span class="macro-nonterminal">$</span><span class="kw">trait for </span><span class="macro-nonterminal">x2</span><W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$fn_assign</span>(<span class="kw-2">&mut </span><span class="self">self</span>, rhs: <span class="self">Self</span>) { + (<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>]).<span class="macro-nonterminal">$fn_assign</span>(rhs.<span class="number">0</span>[<span class="number">0</span>]); + (<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>]).<span class="macro-nonterminal">$fn_assign</span>(rhs.<span class="number">0</span>[<span class="number">1</span>]); + } + } + }; +} +<span class="macro">macro_rules! </span>fwd_unop_x2 { + (<span class="macro-nonterminal">$</span><span class="kw">fn</span>:<span class="macro-nonterminal">ident</span>) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">self</span>) -> <span class="self">Self </span>{ + x2::new([<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(), <span class="macro-nonterminal">self</span>.<span class="number">0</span>[<span class="number">1</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>()]) + } + }; +} +<span class="kw">impl</span><<span class="macro-nonterminal">W</span>, G> RotateEachWord32 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: Copy + RotateEachWord32, +{ + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right7); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right8); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right11); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right12); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right16); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right20); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right24); + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right25); +} +<span class="kw">impl</span><W, G> RotateEachWord64 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: Copy + RotateEachWord64, +{ + <span class="macro">fwd_unop_x2!</span>(rotate_each_word_right32); +} +<span class="kw">impl</span><W, G> RotateEachWord128 <span class="kw">for </span>x2<W, G> <span class="kw">where </span>W: RotateEachWord128 {} +<span class="kw">impl</span><W, G> BitOps0 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: BitOps0, + G: Copy, +{ +} +<span class="kw">impl</span><W, G> BitOps32 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: BitOps32 + BitOps0, + G: Copy, +{ +} +<span class="kw">impl</span><W, G> BitOps64 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: BitOps64 + BitOps0, + G: Copy, +{ +} +<span class="kw">impl</span><W, G> BitOps128 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: BitOps128 + BitOps0, + G: Copy, +{ +} +<span class="macro">fwd_binop_x2!</span>(BitAnd, bitand); +<span class="macro">fwd_binop_x2!</span>(BitOr, bitor); +<span class="macro">fwd_binop_x2!</span>(BitXor, bitxor); +<span class="macro">fwd_binop_x2!</span>(AndNot, andnot); +<span class="macro">fwd_binop_assign_x2!</span>(BitAndAssign, bitand_assign); +<span class="macro">fwd_binop_assign_x2!</span>(BitOrAssign, bitor_assign); +<span class="macro">fwd_binop_assign_x2!</span>(BitXorAssign, bitxor_assign); +<span class="kw">impl</span><W, G> ArithOps <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: ArithOps, + G: Copy, +{ +} +<span class="macro">fwd_binop_x2!</span>(Add, add); +<span class="macro">fwd_binop_assign_x2!</span>(AddAssign, add_assign); +<span class="kw">impl</span><W: Not + Copy, G> Not <span class="kw">for </span>x2<W, G> { + <span class="kw">type </span>Output = x2<W::Output, G>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>not(<span class="self">self</span>) -> <span class="self">Self</span>::Output { + x2::new([<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].not(), <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].not()]) + } +} +<span class="kw">impl</span><W, G> UnsafeFrom<[W; <span class="number">2</span>]> <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_from(xs: [W; <span class="number">2</span>]) -> <span class="self">Self </span>{ + x2::new(xs) + } +} +<span class="kw">impl</span><W: Copy, G> Vec2<W> <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> W { + <span class="self">self</span>.<span class="number">0</span>[i <span class="kw">as </span>usize] + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="kw-2">mut </span><span class="self">self</span>, w: W, i: u32) -> <span class="self">Self </span>{ + <span class="self">self</span>.<span class="number">0</span>[i <span class="kw">as </span>usize] = w; + <span class="self">self + </span>} +} +<span class="kw">impl</span><W: Copy + Store<vec128_storage>, G> Store<vec256_storage> <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unpack(p: vec256_storage) -> <span class="self">Self </span>{ + <span class="kw">let </span>p = p.split128(); + x2::new([W::unpack(p[<span class="number">0</span>]), W::unpack(p[<span class="number">1</span>])]) + } +} +<span class="kw">impl</span><W, G> From<x2<W, G>> <span class="kw">for </span>vec256_storage +<span class="kw">where + </span>W: Copy, + vec128_storage: From<W>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: x2<W, G>) -> <span class="self">Self </span>{ + vec256_storage::new128([x.<span class="number">0</span>[<span class="number">0</span>].into(), x.<span class="number">0</span>[<span class="number">1</span>].into()]) + } +} +<span class="kw">impl</span><W, G> Swap64 <span class="kw">for </span>x2<W, G> +<span class="kw">where + </span>W: Swap64 + Copy, +{ + <span class="macro">fwd_unop_x2!</span>(swap1); + <span class="macro">fwd_unop_x2!</span>(swap2); + <span class="macro">fwd_unop_x2!</span>(swap4); + <span class="macro">fwd_unop_x2!</span>(swap8); + <span class="macro">fwd_unop_x2!</span>(swap16); + <span class="macro">fwd_unop_x2!</span>(swap32); + <span class="macro">fwd_unop_x2!</span>(swap64); +} +<span class="kw">impl</span><W: Copy, G> MultiLane<[W; <span class="number">2</span>]> <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [W; <span class="number">2</span>] { + <span class="self">self</span>.<span class="number">0 + </span>} + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(lanes: [W; <span class="number">2</span>]) -> <span class="self">Self </span>{ + x2::new(lanes) + } +} +<span class="kw">impl</span><W: BSwap + Copy, G> BSwap <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + x2::new([<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].bswap(), <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].bswap()]) + } +} +<span class="kw">impl</span><W: StoreBytes + BSwap + Copy, G> StoreBytes <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_le(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="kw">let </span>input = input.split_at(input.len() / <span class="number">2</span>); + x2::new([W::unsafe_read_le(input.<span class="number">0</span>), W::unsafe_read_le(input.<span class="number">1</span>)]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_be(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="kw">let </span>input = input.split_at(input.len() / <span class="number">2</span>); + x2::new([W::unsafe_read_be(input.<span class="number">0</span>), W::unsafe_read_be(input.<span class="number">1</span>)]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_le(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span>out = out.split_at_mut(out.len() / <span class="number">2</span>); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].write_le(out.<span class="number">0</span>); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].write_le(out.<span class="number">1</span>); + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_be(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span>out = out.split_at_mut(out.len() / <span class="number">2</span>); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].write_be(out.<span class="number">0</span>); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].write_be(out.<span class="number">1</span>); + } +} +<span class="kw">impl</span><W: Copy + LaneWords4, G: Copy> LaneWords4 <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].shuffle_lane_words2301(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].shuffle_lane_words2301(), + ]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].shuffle_lane_words1230(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].shuffle_lane_words1230(), + ]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].shuffle_lane_words3012(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].shuffle_lane_words3012(), + ]) + } +} + +<span class="attribute">#[derive(Copy, Clone, Default)] +#[allow(non_camel_case_types)] +</span><span class="kw">pub struct </span>x4<W>(<span class="kw">pub </span>[W; <span class="number">4</span>]); +<span class="kw">impl</span><W> x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>new(xs: [W; <span class="number">4</span>]) -> <span class="self">Self </span>{ + x4(xs) + } +} +<span class="macro">macro_rules! </span>fwd_binop_x4 { + (<span class="macro-nonterminal">$</span><span class="kw">trait</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$</span><span class="kw">fn</span>:<span class="macro-nonterminal">ident</span>) => { + <span class="kw">impl</span><W: <span class="macro-nonterminal">$</span><span class="kw">trait </span>+ <span class="macro-nonterminal">Copy</span>> <span class="macro-nonterminal">$</span><span class="kw">trait for </span><span class="macro-nonterminal">x4</span><W> { + <span class="kw">type </span>Output = x4<W::Output>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">self</span>, rhs: <span class="self">Self</span>) -> <span class="self">Self</span>::Output { + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>.<span class="number">0</span>[<span class="number">0</span>]), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>.<span class="number">0</span>[<span class="number">1</span>]), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>.<span class="number">0</span>[<span class="number">2</span>]), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>.<span class="number">0</span>[<span class="number">3</span>]), + ]) + } + } + }; +} +<span class="macro">macro_rules! </span>fwd_binop_assign_x4 { + (<span class="macro-nonterminal">$</span><span class="kw">trait</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$fn_assign</span>:ident) => { + <span class="kw">impl</span><W: <span class="macro-nonterminal">$</span><span class="kw">trait </span>+ <span class="macro-nonterminal">Copy</span>> <span class="macro-nonterminal">$</span><span class="kw">trait for </span><span class="macro-nonterminal">x4</span><W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$fn_assign</span>(<span class="kw-2">&mut </span><span class="self">self</span>, rhs: <span class="self">Self</span>) { + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].<span class="macro-nonterminal">$fn_assign</span>(rhs.<span class="number">0</span>[<span class="number">0</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].<span class="macro-nonterminal">$fn_assign</span>(rhs.<span class="number">0</span>[<span class="number">1</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].<span class="macro-nonterminal">$fn_assign</span>(rhs.<span class="number">0</span>[<span class="number">2</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].<span class="macro-nonterminal">$fn_assign</span>(rhs.<span class="number">0</span>[<span class="number">3</span>]); + } + } + }; +} +<span class="macro">macro_rules! </span>fwd_unop_x4 { + (<span class="macro-nonterminal">$</span><span class="kw">fn</span>:<span class="macro-nonterminal">ident</span>) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">self</span>) -> <span class="self">Self </span>{ + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(), + <span class="macro-nonterminal">self</span>.<span class="number">0</span>[<span class="number">1</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(), + <span class="macro-nonterminal">self</span>.<span class="number">0</span>[<span class="number">2</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(), + <span class="macro-nonterminal">self</span>.<span class="number">0</span>[<span class="number">3</span>].<span class="macro-nonterminal">$</span><span class="kw">fn</span>(), + ]) + } + }; +} +<span class="kw">impl</span><<span class="macro-nonterminal">W</span>> RotateEachWord32 <span class="kw">for </span>x4<W> +<span class="kw">where + </span>W: Copy + RotateEachWord32, +{ + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right7); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right8); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right11); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right12); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right16); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right20); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right24); + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right25); +} +<span class="kw">impl</span><W> RotateEachWord64 <span class="kw">for </span>x4<W> +<span class="kw">where + </span>W: Copy + RotateEachWord64, +{ + <span class="macro">fwd_unop_x4!</span>(rotate_each_word_right32); +} +<span class="kw">impl</span><W> RotateEachWord128 <span class="kw">for </span>x4<W> <span class="kw">where </span>W: RotateEachWord128 {} +<span class="kw">impl</span><W> BitOps0 <span class="kw">for </span>x4<W> <span class="kw">where </span>W: BitOps0 {} +<span class="kw">impl</span><W> BitOps32 <span class="kw">for </span>x4<W> <span class="kw">where </span>W: BitOps32 + BitOps0 {} +<span class="kw">impl</span><W> BitOps64 <span class="kw">for </span>x4<W> <span class="kw">where </span>W: BitOps64 + BitOps0 {} +<span class="kw">impl</span><W> BitOps128 <span class="kw">for </span>x4<W> <span class="kw">where </span>W: BitOps128 + BitOps0 {} +<span class="macro">fwd_binop_x4!</span>(BitAnd, bitand); +<span class="macro">fwd_binop_x4!</span>(BitOr, bitor); +<span class="macro">fwd_binop_x4!</span>(BitXor, bitxor); +<span class="macro">fwd_binop_x4!</span>(AndNot, andnot); +<span class="macro">fwd_binop_assign_x4!</span>(BitAndAssign, bitand_assign); +<span class="macro">fwd_binop_assign_x4!</span>(BitOrAssign, bitor_assign); +<span class="macro">fwd_binop_assign_x4!</span>(BitXorAssign, bitxor_assign); +<span class="kw">impl</span><W> ArithOps <span class="kw">for </span>x4<W> <span class="kw">where </span>W: ArithOps {} +<span class="macro">fwd_binop_x4!</span>(Add, add); +<span class="macro">fwd_binop_assign_x4!</span>(AddAssign, add_assign); +<span class="kw">impl</span><W: Not + Copy> Not <span class="kw">for </span>x4<W> { + <span class="kw">type </span>Output = x4<W::Output>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>not(<span class="self">self</span>) -> <span class="self">Self</span>::Output { + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].not(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].not(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].not(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].not(), + ]) + } +} +<span class="kw">impl</span><W> UnsafeFrom<[W; <span class="number">4</span>]> <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_from(xs: [W; <span class="number">4</span>]) -> <span class="self">Self </span>{ + x4(xs) + } +} +<span class="kw">impl</span><W: Copy> Vec4<W> <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> W { + <span class="self">self</span>.<span class="number">0</span>[i <span class="kw">as </span>usize] + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="kw-2">mut </span><span class="self">self</span>, w: W, i: u32) -> <span class="self">Self </span>{ + <span class="self">self</span>.<span class="number">0</span>[i <span class="kw">as </span>usize] = w; + <span class="self">self + </span>} +} +<span class="kw">impl</span><W: Copy> Vec4Ext<W> <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>transpose4(a: <span class="self">Self</span>, b: <span class="self">Self</span>, c: <span class="self">Self</span>, d: <span class="self">Self</span>) -> (<span class="self">Self</span>, <span class="self">Self</span>, <span class="self">Self</span>, <span class="self">Self</span>) + <span class="kw">where + </span><span class="self">Self</span>: Sized, + { + ( + x4([a.<span class="number">0</span>[<span class="number">0</span>], b.<span class="number">0</span>[<span class="number">0</span>], c.<span class="number">0</span>[<span class="number">0</span>], d.<span class="number">0</span>[<span class="number">0</span>]]), + x4([a.<span class="number">0</span>[<span class="number">1</span>], b.<span class="number">0</span>[<span class="number">1</span>], c.<span class="number">0</span>[<span class="number">1</span>], d.<span class="number">0</span>[<span class="number">1</span>]]), + x4([a.<span class="number">0</span>[<span class="number">2</span>], b.<span class="number">0</span>[<span class="number">2</span>], c.<span class="number">0</span>[<span class="number">2</span>], d.<span class="number">0</span>[<span class="number">2</span>]]), + x4([a.<span class="number">0</span>[<span class="number">3</span>], b.<span class="number">0</span>[<span class="number">3</span>], c.<span class="number">0</span>[<span class="number">3</span>], d.<span class="number">0</span>[<span class="number">3</span>]]), + ) + } +} +<span class="kw">impl</span><W: Copy + Store<vec128_storage>> Store<vec512_storage> <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unpack(p: vec512_storage) -> <span class="self">Self </span>{ + <span class="kw">let </span>p = p.split128(); + x4([ + W::unpack(p[<span class="number">0</span>]), + W::unpack(p[<span class="number">1</span>]), + W::unpack(p[<span class="number">2</span>]), + W::unpack(p[<span class="number">3</span>]), + ]) + } +} +<span class="kw">impl</span><W> From<x4<W>> <span class="kw">for </span>vec512_storage +<span class="kw">where + </span>W: Copy, + vec128_storage: From<W>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: x4<W>) -> <span class="self">Self </span>{ + vec512_storage::new128([x.<span class="number">0</span>[<span class="number">0</span>].into(), x.<span class="number">0</span>[<span class="number">1</span>].into(), x.<span class="number">0</span>[<span class="number">2</span>].into(), x.<span class="number">0</span>[<span class="number">3</span>].into()]) + } +} +<span class="kw">impl</span><W> Swap64 <span class="kw">for </span>x4<W> +<span class="kw">where + </span>W: Swap64 + Copy, +{ + <span class="macro">fwd_unop_x4!</span>(swap1); + <span class="macro">fwd_unop_x4!</span>(swap2); + <span class="macro">fwd_unop_x4!</span>(swap4); + <span class="macro">fwd_unop_x4!</span>(swap8); + <span class="macro">fwd_unop_x4!</span>(swap16); + <span class="macro">fwd_unop_x4!</span>(swap32); + <span class="macro">fwd_unop_x4!</span>(swap64); +} +<span class="kw">impl</span><W: Copy> MultiLane<[W; <span class="number">4</span>]> <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [W; <span class="number">4</span>] { + <span class="self">self</span>.<span class="number">0 + </span>} + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(lanes: [W; <span class="number">4</span>]) -> <span class="self">Self </span>{ + x4(lanes) + } +} +<span class="kw">impl</span><W: BSwap + Copy> BSwap <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].bswap(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].bswap(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].bswap(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].bswap(), + ]) + } +} +<span class="kw">impl</span><W: StoreBytes + BSwap + Copy> StoreBytes <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_le(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="kw">let </span>n = input.len() / <span class="number">4</span>; + x4([ + W::unsafe_read_le(<span class="kw-2">&</span>input[..n]), + W::unsafe_read_le(<span class="kw-2">&</span>input[n..n * <span class="number">2</span>]), + W::unsafe_read_le(<span class="kw-2">&</span>input[n * <span class="number">2</span>..n * <span class="number">3</span>]), + W::unsafe_read_le(<span class="kw-2">&</span>input[n * <span class="number">3</span>..]), + ]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_be(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="kw">let </span>n = input.len() / <span class="number">4</span>; + x4([ + W::unsafe_read_be(<span class="kw-2">&</span>input[..n]), + W::unsafe_read_be(<span class="kw-2">&</span>input[n..n * <span class="number">2</span>]), + W::unsafe_read_be(<span class="kw-2">&</span>input[n * <span class="number">2</span>..n * <span class="number">3</span>]), + W::unsafe_read_be(<span class="kw-2">&</span>input[n * <span class="number">3</span>..]), + ]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_le(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span>n = out.len() / <span class="number">4</span>; + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].write_le(<span class="kw-2">&mut </span>out[..n]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].write_le(<span class="kw-2">&mut </span>out[n..n * <span class="number">2</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].write_le(<span class="kw-2">&mut </span>out[n * <span class="number">2</span>..n * <span class="number">3</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].write_le(<span class="kw-2">&mut </span>out[n * <span class="number">3</span>..]); + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_be(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span>n = out.len() / <span class="number">4</span>; + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].write_be(<span class="kw-2">&mut </span>out[..n]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].write_be(<span class="kw-2">&mut </span>out[n..n * <span class="number">2</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].write_be(<span class="kw-2">&mut </span>out[n * <span class="number">2</span>..n * <span class="number">3</span>]); + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].write_be(<span class="kw-2">&mut </span>out[n * <span class="number">3</span>..]); + } +} +<span class="kw">impl</span><W: Copy + LaneWords4> LaneWords4 <span class="kw">for </span>x4<W> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].shuffle_lane_words2301(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].shuffle_lane_words2301(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].shuffle_lane_words2301(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].shuffle_lane_words2301(), + ]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].shuffle_lane_words1230(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].shuffle_lane_words1230(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].shuffle_lane_words1230(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].shuffle_lane_words1230(), + ]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + x4([ + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].shuffle_lane_words3012(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].shuffle_lane_words3012(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">2</span>].shuffle_lane_words3012(), + <span class="self">self</span>.<span class="number">0</span>[<span class="number">3</span>].shuffle_lane_words3012(), + ]) + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="ppv_lite86" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/types.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/types.rs.html new file mode 100644 index 0000000..40e2382 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/types.rs.html @@ -0,0 +1,598 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/ppv-lite86-0.2.17/src/types.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>types.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> 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+<span id="298">298</span> +</pre><pre class="rust"><code><span class="attribute">#![allow(non_camel_case_types)] +</span><span class="kw">use </span>core::ops::{Add, AddAssign, BitAnd, BitOr, BitXor, BitXorAssign, Not}; + +<span class="kw">pub trait </span>AndNot { + <span class="kw">type </span>Output; + <span class="kw">fn </span>andnot(<span class="self">self</span>, rhs: <span class="self">Self</span>) -> <span class="self">Self</span>::Output; +} +<span class="kw">pub trait </span>BSwap { + <span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self</span>; +} +<span class="doccomment">/// Ops that depend on word size +</span><span class="kw">pub trait </span>ArithOps: Add<Output = <span class="self">Self</span>> + AddAssign + Sized + Copy + Clone + BSwap {} +<span class="doccomment">/// Ops that are independent of word size and endian +</span><span class="kw">pub trait </span>BitOps0: + BitAnd<Output = <span class="self">Self</span>> + + BitOr<Output = <span class="self">Self</span>> + + BitXor<Output = <span class="self">Self</span>> + + BitXorAssign + + Not<Output = <span class="self">Self</span>> + + AndNot<Output = <span class="self">Self</span>> + + Sized + + Copy + + Clone +{ +} + +<span class="kw">pub trait </span>BitOps32: BitOps0 + RotateEachWord32 {} +<span class="kw">pub trait </span>BitOps64: BitOps32 + RotateEachWord64 {} +<span class="kw">pub trait </span>BitOps128: BitOps64 + RotateEachWord128 {} + +<span class="kw">pub trait </span>RotateEachWord32 { + <span class="kw">fn </span>rotate_each_word_right7(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right8(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right11(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right12(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right16(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right20(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right24(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>rotate_each_word_right25(<span class="self">self</span>) -> <span class="self">Self</span>; +} + +<span class="kw">pub trait </span>RotateEachWord64 { + <span class="kw">fn </span>rotate_each_word_right32(<span class="self">self</span>) -> <span class="self">Self</span>; +} + +<span class="kw">pub trait </span>RotateEachWord128 {} + +<span class="comment">// Vector type naming scheme: +// uN[xP]xL +// Unsigned; N-bit words * P bits per lane * L lanes +// +// A lane is always 128-bits, chosen because common SIMD architectures treat 128-bit units of +// wide vectors specially (supporting e.g. intra-lane shuffles), and tend to have limited and +// slow inter-lane operations. + +</span><span class="kw">use </span><span class="kw">crate</span>::arch::{vec128_storage, vec256_storage, vec512_storage}; + +<span class="attribute">#[allow(clippy::missing_safety_doc)] +</span><span class="kw">pub trait </span>UnsafeFrom<T> { + <span class="kw">unsafe fn </span>unsafe_from(t: T) -> <span class="self">Self</span>; +} + +<span class="doccomment">/// A vector composed of two elements, which may be words or themselves vectors. +</span><span class="kw">pub trait </span>Vec2<W> { + <span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> W; + <span class="kw">fn </span>insert(<span class="self">self</span>, w: W, i: u32) -> <span class="self">Self</span>; +} + +<span class="doccomment">/// A vector composed of four elements, which may be words or themselves vectors. +</span><span class="kw">pub trait </span>Vec4<W> { + <span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> W; + <span class="kw">fn </span>insert(<span class="self">self</span>, w: W, i: u32) -> <span class="self">Self</span>; +} +<span class="doccomment">/// Vec4 functions which may not be implemented yet for all Vec4 types. +/// NOTE: functions in this trait may be moved to Vec4 in any patch release. To avoid breakage, +/// import Vec4Ext only together with Vec4, and don't qualify its methods. +</span><span class="kw">pub trait </span>Vec4Ext<W> { + <span class="kw">fn </span>transpose4(a: <span class="self">Self</span>, b: <span class="self">Self</span>, c: <span class="self">Self</span>, d: <span class="self">Self</span>) -> (<span class="self">Self</span>, <span class="self">Self</span>, <span class="self">Self</span>, <span class="self">Self</span>) + <span class="kw">where + </span><span class="self">Self</span>: Sized; +} +<span class="kw">pub trait </span>Vector<T> { + <span class="kw">fn </span>to_scalars(<span class="self">self</span>) -> T; +} + +<span class="comment">// TODO: multiples of 4 should inherit this +</span><span class="doccomment">/// A vector composed of four words; depending on their size, operations may cross lanes. +</span><span class="kw">pub trait </span>Words4 { + <span class="kw">fn </span>shuffle1230(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>shuffle2301(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>shuffle3012(<span class="self">self</span>) -> <span class="self">Self</span>; +} + +<span class="doccomment">/// A vector composed one or more lanes each composed of four words. +</span><span class="kw">pub trait </span>LaneWords4 { + <span class="kw">fn </span>shuffle_lane_words1230(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>shuffle_lane_words2301(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>shuffle_lane_words3012(<span class="self">self</span>) -> <span class="self">Self</span>; +} + +<span class="comment">// TODO: make this a part of BitOps +</span><span class="doccomment">/// Exchange neigboring ranges of bits of the specified size +</span><span class="kw">pub trait </span>Swap64 { + <span class="kw">fn </span>swap1(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>swap2(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>swap4(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>swap8(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>swap16(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>swap32(<span class="self">self</span>) -> <span class="self">Self</span>; + <span class="kw">fn </span>swap64(<span class="self">self</span>) -> <span class="self">Self</span>; +} + +<span class="kw">pub trait </span>u32x4<M: Machine>: + BitOps32 + + Store<vec128_storage> + + ArithOps + + Vec4<u32> + + Words4 + + LaneWords4 + + StoreBytes + + MultiLane<[u32; <span class="number">4</span>]> + + Into<vec128_storage> +{ +} +<span class="kw">pub trait </span>u64x2<M: Machine>: + BitOps64 + Store<vec128_storage> + ArithOps + Vec2<u64> + MultiLane<[u64; <span class="number">2</span>]> + Into<vec128_storage> +{ +} +<span class="kw">pub trait </span>u128x1<M: Machine>: + BitOps128 + Store<vec128_storage> + Swap64 + MultiLane<[u128; <span class="number">1</span>]> + Into<vec128_storage> +{ +} + +<span class="kw">pub trait </span>u32x4x2<M: Machine>: + BitOps32 + + Store<vec256_storage> + + Vec2<M::u32x4> + + MultiLane<[M::u32x4; <span class="number">2</span>]> + + ArithOps + + Into<vec256_storage> + + StoreBytes +{ +} +<span class="kw">pub trait </span>u64x2x2<M: Machine>: + BitOps64 + + Store<vec256_storage> + + Vec2<M::u64x2> + + MultiLane<[M::u64x2; <span class="number">2</span>]> + + ArithOps + + StoreBytes + + Into<vec256_storage> +{ +} +<span class="kw">pub trait </span>u64x4<M: Machine>: + BitOps64 + + Store<vec256_storage> + + Vec4<u64> + + MultiLane<[u64; <span class="number">4</span>]> + + ArithOps + + Words4 + + StoreBytes + + Into<vec256_storage> +{ +} +<span class="kw">pub trait </span>u128x2<M: Machine>: + BitOps128 + + Store<vec256_storage> + + Vec2<M::u128x1> + + MultiLane<[M::u128x1; <span class="number">2</span>]> + + Swap64 + + Into<vec256_storage> +{ +} + +<span class="kw">pub trait </span>u32x4x4<M: Machine>: + BitOps32 + + Store<vec512_storage> + + Vec4<M::u32x4> + + Vec4Ext<M::u32x4> + + Vector<[u32; <span class="number">16</span>]> + + MultiLane<[M::u32x4; <span class="number">4</span>]> + + ArithOps + + LaneWords4 + + Into<vec512_storage> + + StoreBytes +{ +} +<span class="kw">pub trait </span>u64x2x4<M: Machine>: + BitOps64 + + Store<vec512_storage> + + Vec4<M::u64x2> + + MultiLane<[M::u64x2; <span class="number">4</span>]> + + ArithOps + + Into<vec512_storage> +{ +} +<span class="comment">// TODO: Words4 +</span><span class="kw">pub trait </span>u128x4<M: Machine>: + BitOps128 + + Store<vec512_storage> + + Vec4<M::u128x1> + + MultiLane<[M::u128x1; <span class="number">4</span>]> + + Swap64 + + Into<vec512_storage> +{ +} + +<span class="doccomment">/// A vector composed of multiple 128-bit lanes. +</span><span class="kw">pub trait </span>MultiLane<Lanes> { + <span class="doccomment">/// Split a multi-lane vector into single-lane vectors. + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> Lanes; + <span class="doccomment">/// Build a multi-lane vector from individual lanes. + </span><span class="kw">fn </span>from_lanes(lanes: Lanes) -> <span class="self">Self</span>; +} + +<span class="doccomment">/// Combine single vectors into a multi-lane vector. +</span><span class="kw">pub trait </span>VZip<V> { + <span class="kw">fn </span>vzip(<span class="self">self</span>) -> V; +} + +<span class="kw">impl</span><V, T> VZip<V> <span class="kw">for </span>T +<span class="kw">where + </span>V: MultiLane<T>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>vzip(<span class="self">self</span>) -> V { + V::from_lanes(<span class="self">self</span>) + } +} + +<span class="kw">pub trait </span>Machine: Sized + Copy { + <span class="kw">type </span>u32x4: u32x4<<span class="self">Self</span>>; + <span class="kw">type </span>u64x2: u64x2<<span class="self">Self</span>>; + <span class="kw">type </span>u128x1: u128x1<<span class="self">Self</span>>; + + <span class="kw">type </span>u32x4x2: u32x4x2<<span class="self">Self</span>>; + <span class="kw">type </span>u64x2x2: u64x2x2<<span class="self">Self</span>>; + <span class="kw">type </span>u64x4: u64x4<<span class="self">Self</span>>; + <span class="kw">type </span>u128x2: u128x2<<span class="self">Self</span>>; + + <span class="kw">type </span>u32x4x4: u32x4x4<<span class="self">Self</span>>; + <span class="kw">type </span>u64x2x4: u64x2x4<<span class="self">Self</span>>; + <span class="kw">type </span>u128x4: u128x4<<span class="self">Self</span>>; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>unpack<S, V: Store<S>>(<span class="self">self</span>, s: S) -> V { + <span class="kw">unsafe </span>{ V::unpack(s) } + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>vec<V, A>(<span class="self">self</span>, a: A) -> V + <span class="kw">where + </span>V: MultiLane<A>, + { + V::from_lanes(a) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>read_le<V>(<span class="self">self</span>, input: <span class="kw-2">&</span>[u8]) -> V + <span class="kw">where + </span>V: StoreBytes, + { + <span class="kw">unsafe </span>{ V::unsafe_read_le(input) } + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>read_be<V>(<span class="self">self</span>, input: <span class="kw-2">&</span>[u8]) -> V + <span class="kw">where + </span>V: StoreBytes, + { + <span class="kw">unsafe </span>{ V::unsafe_read_be(input) } + } + + <span class="doccomment">/// # Safety + /// Caller must ensure the type of Self is appropriate for the hardware of the execution + /// environment. + </span><span class="kw">unsafe fn </span>instance() -> <span class="self">Self</span>; +} + +<span class="kw">pub trait </span>Store<S> { + <span class="doccomment">/// # Safety + /// Caller must ensure the type of Self is appropriate for the hardware of the execution + /// environment. + </span><span class="kw">unsafe fn </span>unpack(p: S) -> <span class="self">Self</span>; +} + +<span class="kw">pub trait </span>StoreBytes { + <span class="doccomment">/// # Safety + /// Caller must ensure the type of Self is appropriate for the hardware of the execution + /// environment. + </span><span class="kw">unsafe fn </span>unsafe_read_le(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self</span>; + <span class="doccomment">/// # Safety + /// Caller must ensure the type of Self is appropriate for the hardware of the execution + /// environment. + </span><span class="kw">unsafe fn </span>unsafe_read_be(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self</span>; + <span class="kw">fn </span>write_le(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]); + <span class="kw">fn </span>write_be(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]); +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="ppv_lite86" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/x86_64/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/x86_64/mod.rs.html new file mode 100644 index 0000000..c649c50 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/ppv_lite86/x86_64/mod.rs.html @@ -0,0 +1,876 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/ppv-lite86-0.2.17/src/x86_64/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" 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id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +<span id="344">344</span> +<span id="345">345</span> +<span id="346">346</span> +<span id="347">347</span> +<span id="348">348</span> +<span id="349">349</span> +<span id="350">350</span> +<span id="351">351</span> +<span id="352">352</span> +<span id="353">353</span> +<span id="354">354</span> +<span id="355">355</span> +<span id="356">356</span> +<span id="357">357</span> +<span id="358">358</span> +<span id="359">359</span> +<span id="360">360</span> +<span id="361">361</span> +<span id="362">362</span> +<span id="363">363</span> +<span id="364">364</span> +<span id="365">365</span> +<span id="366">366</span> +<span id="367">367</span> +<span id="368">368</span> +<span id="369">369</span> +<span id="370">370</span> +<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +<span id="387">387</span> +<span id="388">388</span> +<span id="389">389</span> +<span id="390">390</span> +<span id="391">391</span> +<span id="392">392</span> +<span id="393">393</span> +<span id="394">394</span> +<span id="395">395</span> +<span id="396">396</span> +<span id="397">397</span> +<span id="398">398</span> +<span id="399">399</span> +<span id="400">400</span> +<span id="401">401</span> +<span id="402">402</span> +<span id="403">403</span> +<span id="404">404</span> +<span id="405">405</span> +<span id="406">406</span> +<span id="407">407</span> +<span id="408">408</span> +<span id="409">409</span> +<span id="410">410</span> +<span id="411">411</span> +<span id="412">412</span> +<span id="413">413</span> +<span id="414">414</span> +<span id="415">415</span> +<span id="416">416</span> +<span id="417">417</span> +<span id="418">418</span> +<span id="419">419</span> +<span id="420">420</span> +<span id="421">421</span> +<span id="422">422</span> +<span id="423">423</span> +<span id="424">424</span> +<span id="425">425</span> +<span id="426">426</span> +<span id="427">427</span> +<span id="428">428</span> +<span id="429">429</span> +<span id="430">430</span> +<span id="431">431</span> +<span id="432">432</span> +<span id="433">433</span> +<span id="434">434</span> +<span id="435">435</span> +<span id="436">436</span> +<span id="437">437</span> +</pre><pre class="rust"><code><span class="comment">// crate minimums: sse2, x86_64 + +</span><span class="kw">use </span><span class="kw">crate</span>::types::<span class="kw-2">*</span>; +<span class="kw">use </span>core::arch::x86_64::{__m128i, __m256i}; + +<span class="kw">mod </span>sse2; + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>YesS3; +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>NoS3; + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>YesS4; +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>NoS4; + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>YesA1; +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>NoA1; + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>YesA2; +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>NoA2; + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>YesNI; +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>NoNI; + +<span class="kw">use </span>core::marker::PhantomData; + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>SseMachine<S3, S4, NI>(PhantomData<(S3, S4, NI)>); +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> Machine <span class="kw">for </span>SseMachine<S3, S4, NI> +<span class="kw">where + </span>sse2::u128x1_sse2<S3, S4, NI>: Swap64, + sse2::u64x2_sse2<S3, S4, NI>: BSwap + RotateEachWord32 + MultiLane<[u64; <span class="number">2</span>]> + Vec2<u64>, + sse2::u32x4_sse2<S3, S4, NI>: BSwap + RotateEachWord32 + MultiLane<[u32; <span class="number">4</span>]> + Vec4<u32>, + sse2::u64x4_sse2<S3, S4, NI>: BSwap + Words4, + sse2::u128x1_sse2<S3, S4, NI>: BSwap, + sse2::u128x2_sse2<S3, S4, NI>: Into<sse2::u64x2x2_sse2<S3, S4, NI>>, + sse2::u128x2_sse2<S3, S4, NI>: Into<sse2::u64x4_sse2<S3, S4, NI>>, + sse2::u128x2_sse2<S3, S4, NI>: Into<sse2::u32x4x2_sse2<S3, S4, NI>>, + sse2::u128x4_sse2<S3, S4, NI>: Into<sse2::u64x2x4_sse2<S3, S4, NI>>, + sse2::u128x4_sse2<S3, S4, NI>: Into<sse2::u32x4x4_sse2<S3, S4, NI>>, +{ + <span class="kw">type </span>u32x4 = sse2::u32x4_sse2<S3, S4, NI>; + <span class="kw">type </span>u64x2 = sse2::u64x2_sse2<S3, S4, NI>; + <span class="kw">type </span>u128x1 = sse2::u128x1_sse2<S3, S4, NI>; + + <span class="kw">type </span>u32x4x2 = sse2::u32x4x2_sse2<S3, S4, NI>; + <span class="kw">type </span>u64x2x2 = sse2::u64x2x2_sse2<S3, S4, NI>; + <span class="kw">type </span>u64x4 = sse2::u64x4_sse2<S3, S4, NI>; + <span class="kw">type </span>u128x2 = sse2::u128x2_sse2<S3, S4, NI>; + + <span class="kw">type </span>u32x4x4 = sse2::u32x4x4_sse2<S3, S4, NI>; + <span class="kw">type </span>u64x2x4 = sse2::u64x2x4_sse2<S3, S4, NI>; + <span class="kw">type </span>u128x4 = sse2::u128x4_sse2<S3, S4, NI>; + + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>instance() -> <span class="self">Self </span>{ + SseMachine(PhantomData) + } +} + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>Avx2Machine<NI>(PhantomData<NI>); +<span class="kw">impl</span><NI: Copy> Machine <span class="kw">for </span>Avx2Machine<NI> +<span class="kw">where + </span>sse2::u128x1_sse2<YesS3, YesS4, NI>: BSwap + Swap64, + sse2::u64x2_sse2<YesS3, YesS4, NI>: BSwap + RotateEachWord32 + MultiLane<[u64; <span class="number">2</span>]> + Vec2<u64>, + sse2::u32x4_sse2<YesS3, YesS4, NI>: BSwap + RotateEachWord32 + MultiLane<[u32; <span class="number">4</span>]> + Vec4<u32>, + sse2::u64x4_sse2<YesS3, YesS4, NI>: BSwap + Words4, +{ + <span class="kw">type </span>u32x4 = sse2::u32x4_sse2<YesS3, YesS4, NI>; + <span class="kw">type </span>u64x2 = sse2::u64x2_sse2<YesS3, YesS4, NI>; + <span class="kw">type </span>u128x1 = sse2::u128x1_sse2<YesS3, YesS4, NI>; + + <span class="kw">type </span>u32x4x2 = sse2::avx2::u32x4x2_avx2<NI>; + <span class="kw">type </span>u64x2x2 = sse2::u64x2x2_sse2<YesS3, YesS4, NI>; + <span class="kw">type </span>u64x4 = sse2::u64x4_sse2<YesS3, YesS4, NI>; + <span class="kw">type </span>u128x2 = sse2::u128x2_sse2<YesS3, YesS4, NI>; + + <span class="kw">type </span>u32x4x4 = sse2::avx2::u32x4x4_avx2<NI>; + <span class="kw">type </span>u64x2x4 = sse2::u64x2x4_sse2<YesS3, YesS4, NI>; + <span class="kw">type </span>u128x4 = sse2::u128x4_sse2<YesS3, YesS4, NI>; + + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>instance() -> <span class="self">Self </span>{ + Avx2Machine(PhantomData) + } +} + +<span class="kw">pub type </span>SSE2 = SseMachine<NoS3, NoS4, NoNI>; +<span class="kw">pub type </span>SSSE3 = SseMachine<YesS3, NoS4, NoNI>; +<span class="kw">pub type </span>SSE41 = SseMachine<YesS3, YesS4, NoNI>; +<span class="doccomment">/// AVX but not AVX2: only 128-bit integer operations, but use VEX versions of everything +/// to avoid expensive SSE/VEX conflicts. +</span><span class="kw">pub type </span>AVX = SseMachine<YesS3, YesS4, NoNI>; +<span class="kw">pub type </span>AVX2 = Avx2Machine<NoNI>; + +<span class="doccomment">/// Generic wrapper for unparameterized storage of any of the possible impls. +/// Converting into and out of this type should be essentially free, although it may be more +/// aligned than a particular impl requires. +</span><span class="attribute">#[allow(non_camel_case_types)] +#[derive(Copy, Clone)] +</span><span class="kw">pub union </span>vec128_storage { + u32x4: [u32; <span class="number">4</span>], + u64x2: [u64; <span class="number">2</span>], + u128x1: [u128; <span class="number">1</span>], + sse2: __m128i, +} +<span class="kw">impl </span>Store<vec128_storage> <span class="kw">for </span>vec128_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unpack(p: vec128_storage) -> <span class="self">Self </span>{ + p + } +} +<span class="kw">impl</span><<span class="lifetime">'a</span>> From<<span class="kw-2">&</span><span class="lifetime">'a </span>vec128_storage> <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>[u32; <span class="number">4</span>] { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: <span class="kw-2">&</span><span class="lifetime">'a </span>vec128_storage) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ <span class="kw-2">&</span>x.u32x4 } + } +} +<span class="kw">impl </span>From<[u32; <span class="number">4</span>]> <span class="kw">for </span>vec128_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(u32x4: [u32; <span class="number">4</span>]) -> <span class="self">Self </span>{ + vec128_storage { u32x4 } + } +} +<span class="kw">impl </span>Default <span class="kw">for </span>vec128_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>default() -> <span class="self">Self </span>{ + vec128_storage { u128x1: [<span class="number">0</span>] } + } +} +<span class="kw">impl </span>Eq <span class="kw">for </span>vec128_storage {} +<span class="kw">impl </span>PartialEq <span class="kw">for </span>vec128_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="kw">unsafe </span>{ <span class="self">self</span>.u128x1 == rhs.u128x1 } + } +} + +<span class="attribute">#[allow(non_camel_case_types)] +#[derive(Copy, Clone)] +</span><span class="kw">pub union </span>vec256_storage { + u32x8: [u32; <span class="number">8</span>], + u64x4: [u64; <span class="number">4</span>], + u128x2: [u128; <span class="number">2</span>], + sse2: [vec128_storage; <span class="number">2</span>], + avx: __m256i, +} +<span class="kw">impl </span>From<[u64; <span class="number">4</span>]> <span class="kw">for </span>vec256_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(u64x4: [u64; <span class="number">4</span>]) -> <span class="self">Self </span>{ + vec256_storage { u64x4 } + } +} +<span class="kw">impl </span>Default <span class="kw">for </span>vec256_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>default() -> <span class="self">Self </span>{ + vec256_storage { u128x2: [<span class="number">0</span>, <span class="number">0</span>] } + } +} +<span class="kw">impl </span>vec256_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>new128(xs: [vec128_storage; <span class="number">2</span>]) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ sse2: xs } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>split128(<span class="self">self</span>) -> [vec128_storage; <span class="number">2</span>] { + <span class="kw">unsafe </span>{ <span class="self">self</span>.sse2 } + } +} +<span class="kw">impl </span>Eq <span class="kw">for </span>vec256_storage {} +<span class="kw">impl </span>PartialEq <span class="kw">for </span>vec256_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="kw">unsafe </span>{ <span class="self">self</span>.sse2 == rhs.sse2 } + } +} + +<span class="attribute">#[allow(non_camel_case_types)] +#[derive(Copy, Clone)] +</span><span class="kw">pub union </span>vec512_storage { + u32x16: [u32; <span class="number">16</span>], + u64x8: [u64; <span class="number">8</span>], + u128x4: [u128; <span class="number">4</span>], + sse2: [vec128_storage; <span class="number">4</span>], + avx: [vec256_storage; <span class="number">2</span>], +} +<span class="kw">impl </span>Default <span class="kw">for </span>vec512_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>default() -> <span class="self">Self </span>{ + vec512_storage { + u128x4: [<span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>], + } + } +} +<span class="kw">impl </span>vec512_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>new128(xs: [vec128_storage; <span class="number">4</span>]) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ sse2: xs } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>split128(<span class="self">self</span>) -> [vec128_storage; <span class="number">4</span>] { + <span class="kw">unsafe </span>{ <span class="self">self</span>.sse2 } + } +} +<span class="kw">impl </span>Eq <span class="kw">for </span>vec512_storage {} +<span class="kw">impl </span>PartialEq <span class="kw">for </span>vec512_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="kw">unsafe </span>{ <span class="self">self</span>.avx == rhs.avx } + } +} + +<span class="macro">macro_rules! </span>impl_into { + (<span class="macro-nonterminal">$storage</span>:ident, <span class="macro-nonterminal">$array</span>:ty, <span class="macro-nonterminal">$name</span>:ident) => { + <span class="kw">impl </span>From<<span class="macro-nonterminal">$storage</span>> <span class="kw">for </span><span class="macro-nonterminal">$array </span>{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(vec: <span class="macro-nonterminal">$storage</span>) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ vec.<span class="macro-nonterminal">$name </span>} + } + } + }; +} +<span class="macro">impl_into!</span>(vec128_storage, [u32; <span class="number">4</span>], u32x4); +<span class="macro">impl_into!</span>(vec128_storage, [u64; <span class="number">2</span>], u64x2); +<span class="macro">impl_into!</span>(vec128_storage, [u128; <span class="number">1</span>], u128x1); +<span class="macro">impl_into!</span>(vec256_storage, [u32; <span class="number">8</span>], u32x8); +<span class="macro">impl_into!</span>(vec256_storage, [u64; <span class="number">4</span>], u64x4); +<span class="macro">impl_into!</span>(vec256_storage, [u128; <span class="number">2</span>], u128x2); +<span class="macro">impl_into!</span>(vec512_storage, [u32; <span class="number">16</span>], u32x16); +<span class="macro">impl_into!</span>(vec512_storage, [u64; <span class="number">8</span>], u64x8); +<span class="macro">impl_into!</span>(vec512_storage, [u128; <span class="number">4</span>], u128x4); + +<span class="doccomment">/// Generate the full set of optimized implementations to take advantage of the most important +/// hardware feature sets. +/// +/// This dispatcher is suitable for maximizing throughput. +</span><span class="attribute">#[macro_export] +</span><span class="macro">macro_rules! </span>dispatch { + (<span class="macro-nonterminal">$mach</span>:ident, <span class="macro-nonterminal">$MTy</span>:ident, { $([<span class="macro-nonterminal">$</span><span class="kw">pub</span>:<span class="macro-nonterminal">tt</span>$((<span class="macro-nonterminal">$krate</span>:tt))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>:ident($(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* $(,)<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret</span>:ty <span class="macro-nonterminal">$body</span>:block }) => { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>$(<span class="macro-nonterminal">$</span><span class="kw">pub</span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>)* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>fn_impl<<span class="macro-nonterminal">$MTy</span>: <span class="macro-nonterminal">$crate::Machine</span>>(<span class="macro-nonterminal">$mach</span>: <span class="macro-nonterminal">$MTy</span>, $(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret $body + </span><span class="kw">use </span>std::arch::x86_64::<span class="kw-2">*</span>; + <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] + </span><span class="kw">unsafe fn </span>impl_avx2($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="kw">let </span>ret = fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>); + _mm256_zeroupper(); + ret + } + <span class="attribute">#[target_feature(enable = <span class="string">"avx"</span>)] + #[target_feature(enable = <span class="string">"sse4.1"</span>)] + #[target_feature(enable = <span class="string">"ssse3"</span>)] + </span><span class="kw">unsafe fn </span>impl_avx($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="kw">let </span>ret = fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>); + _mm256_zeroupper(); + ret + } + <span class="attribute">#[target_feature(enable = <span class="string">"sse4.1"</span>)] + #[target_feature(enable = <span class="string">"ssse3"</span>)] + </span><span class="kw">unsafe fn </span>impl_sse41($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE41::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] + </span><span class="kw">unsafe fn </span>impl_ssse3($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSSE3::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="attribute">#[target_feature(enable = <span class="string">"sse2"</span>)] + </span><span class="kw">unsafe fn </span>impl_sse2($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="kw">unsafe </span>{ + <span class="kw">if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"avx2"</span>) { + impl_avx2($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"avx"</span>) { + impl_avx($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"sse4.1"</span>) { + impl_sse41($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"ssse3"</span>) { + impl_ssse3($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"sse2"</span>) { + impl_sse2($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else </span>{ + <span class="macro">unimplemented!</span>() + } + } + } + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + #[inline(always)] + </span>$(<span class="macro-nonterminal">$</span><span class="kw">pub</span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>)* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="kw">unsafe fn </span>fn_impl<<span class="macro-nonterminal">$MTy</span>: <span class="macro-nonterminal">$crate::Machine</span>>(<span class="macro-nonterminal">$mach</span>: <span class="macro-nonterminal">$MTy</span>, $(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret $body + </span><span class="kw">unsafe </span>{ + <span class="kw">if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"avx2"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"avx"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"sse4.1"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE41::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"ssse3"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSSE3::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + } + } + }; + (<span class="macro-nonterminal">$mach</span>:ident, <span class="macro-nonterminal">$MTy</span>:ident, { $([<span class="macro-nonterminal">$</span><span class="kw">pub</span>:<span class="macro-nonterminal">tt </span>$((<span class="macro-nonterminal">$krate</span>:tt))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>:ident($(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* $(,)<span class="kw-2">*</span>) <span class="macro-nonterminal">$body</span>:block }) => { + <span class="macro">dispatch!</span>(<span class="macro-nonterminal">$mach</span>, <span class="macro-nonterminal">$MTy</span>, { + $([<span class="macro-nonterminal">$</span><span class="kw">pub </span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> () <span class="macro-nonterminal">$body + </span>}); + } +} + +<span class="doccomment">/// Generate only the basic implementations necessary to be able to operate efficiently on 128-bit +/// vectors on this platfrom. For x86-64, that would mean SSE2 and AVX. +/// +/// This dispatcher is suitable for vector operations that do not benefit from advanced hardware +/// features (e.g. because they are done infrequently), so minimizing their contribution to code +/// size is more important. +</span><span class="attribute">#[macro_export] +</span><span class="macro">macro_rules! </span>dispatch_light128 { + (<span class="macro-nonterminal">$mach</span>:ident, <span class="macro-nonterminal">$MTy</span>:ident, { $([<span class="macro-nonterminal">$</span><span class="kw">pub</span>:<span class="macro-nonterminal">tt</span>$((<span class="macro-nonterminal">$krate</span>:tt))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>:ident($(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* $(,)<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret</span>:ty <span class="macro-nonterminal">$body</span>:block }) => { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>$(<span class="macro-nonterminal">$</span><span class="kw">pub </span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>)* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>fn_impl<<span class="macro-nonterminal">$MTy</span>: <span class="macro-nonterminal">$crate::Machine</span>>(<span class="macro-nonterminal">$mach</span>: <span class="macro-nonterminal">$MTy</span>, $(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret $body + </span><span class="kw">use </span>std::arch::x86_64::<span class="kw-2">*</span>; + <span class="attribute">#[target_feature(enable = <span class="string">"avx"</span>)] + </span><span class="kw">unsafe fn </span>impl_avx($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="attribute">#[target_feature(enable = <span class="string">"sse2"</span>)] + </span><span class="kw">unsafe fn </span>impl_sse2($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="kw">unsafe </span>{ + <span class="kw">if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"avx"</span>) { + impl_avx($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"sse2"</span>) { + impl_sse2($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else </span>{ + <span class="macro">unimplemented!</span>() + } + } + } + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + #[inline(always)] + </span>$(<span class="macro-nonterminal">$</span><span class="kw">pub</span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>)* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="kw">unsafe fn </span>fn_impl<<span class="macro-nonterminal">$MTy</span>: <span class="macro-nonterminal">$crate::Machine</span>>(<span class="macro-nonterminal">$mach</span>: <span class="macro-nonterminal">$MTy</span>, $(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret $body + </span><span class="kw">unsafe </span>{ + <span class="kw">if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"avx2"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"avx"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"sse4.1"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE41::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"ssse3"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSSE3::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + } + } + }; + (<span class="macro-nonterminal">$mach</span>:ident, <span class="macro-nonterminal">$MTy</span>:ident, { $([<span class="macro-nonterminal">$</span><span class="kw">pub</span>:<span class="macro-nonterminal">tt</span>$((<span class="macro-nonterminal">$krate</span>:tt))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>:ident($(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* $(,)<span class="kw-2">*</span>) <span class="macro-nonterminal">$body</span>:block }) => { + <span class="macro">dispatch_light128!</span>(<span class="macro-nonterminal">$mach</span>, <span class="macro-nonterminal">$MTy</span>, { + $([<span class="macro-nonterminal">$</span><span class="kw">pub </span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> () <span class="macro-nonterminal">$body + </span>}); + } +} + +<span class="doccomment">/// Generate only the basic implementations necessary to be able to operate efficiently on 256-bit +/// vectors on this platfrom. For x86-64, that would mean SSE2, AVX, and AVX2. +/// +/// This dispatcher is suitable for vector operations that do not benefit from advanced hardware +/// features (e.g. because they are done infrequently), so minimizing their contribution to code +/// size is more important. +</span><span class="attribute">#[macro_export] +</span><span class="macro">macro_rules! </span>dispatch_light256 { + (<span class="macro-nonterminal">$mach</span>:ident, <span class="macro-nonterminal">$MTy</span>:ident, { $([<span class="macro-nonterminal">$</span><span class="kw">pub</span>:<span class="macro-nonterminal">tt</span>$((<span class="macro-nonterminal">$krate</span>:tt))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>:ident($(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* $(,)<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret</span>:ty <span class="macro-nonterminal">$body</span>:block }) => { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>$([<span class="macro-nonterminal">$</span><span class="kw">pub </span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>fn_impl<<span class="macro-nonterminal">$MTy</span>: <span class="macro-nonterminal">$crate::Machine</span>>(<span class="macro-nonterminal">$mach</span>: <span class="macro-nonterminal">$MTy</span>, $(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret $body + </span><span class="kw">use </span>std::arch::x86_64::<span class="kw-2">*</span>; + <span class="attribute">#[target_feature(enable = <span class="string">"avx"</span>)] + </span><span class="kw">unsafe fn </span>impl_avx($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="attribute">#[target_feature(enable = <span class="string">"sse2"</span>)] + </span><span class="kw">unsafe fn </span>impl_sse2($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + <span class="kw">unsafe </span>{ + <span class="kw">if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"avx"</span>) { + impl_avx($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">is_x86_feature_detected!</span>(<span class="string">"sse2"</span>) { + impl_sse2($(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else </span>{ + <span class="macro">unimplemented!</span>() + } + } + } + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + #[inline(always)] + </span>$(<span class="macro-nonterminal">$</span><span class="kw">pub</span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>)* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret </span>{ + <span class="kw">unsafe fn </span>fn_impl<<span class="macro-nonterminal">$MTy</span>: <span class="macro-nonterminal">$crate::Machine</span>>(<span class="macro-nonterminal">$mach</span>: <span class="macro-nonterminal">$MTy</span>, $(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> <span class="macro-nonterminal">$ret $body + </span><span class="kw">unsafe </span>{ + <span class="kw">if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"avx2"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"avx"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::AVX::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"sse4.1"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE41::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else if </span><span class="macro">cfg!</span>(target_feature = <span class="string">"ssse3"</span>) { + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSSE3::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } <span class="kw">else </span>{ + fn_impl(<span class="macro-nonterminal">$crate::x86_64::SSE2::instance</span>(), $(<span class="macro-nonterminal">$arg</span>),<span class="kw-2">*</span>) + } + } + } + }; + (<span class="macro-nonterminal">$mach</span>:ident, <span class="macro-nonterminal">$MTy</span>:ident, { $([<span class="macro-nonterminal">$</span><span class="kw">pub</span>:<span class="macro-nonterminal">tt</span>$((<span class="macro-nonterminal">$krate</span>:tt))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>:ident($(<span class="macro-nonterminal">$arg</span>:ident: <span class="macro-nonterminal">$argty</span>:ty),* $(,)<span class="kw-2">*</span>) <span class="macro-nonterminal">$body</span>:block }) => { + <span class="macro">dispatch_light256!</span>(<span class="macro-nonterminal">$mach</span>, <span class="macro-nonterminal">$MTy</span>, { + $([<span class="macro-nonterminal">$</span><span class="kw">pub </span>$((<span class="macro-nonterminal">$krate</span>))<span class="kw-2">*</span>])* <span class="kw">fn </span><span class="macro-nonterminal">$name</span>($(<span class="macro-nonterminal">$arg</span>: <span class="macro-nonterminal">$argty</span>),<span class="kw-2">*</span>) -> () <span class="macro-nonterminal">$body + </span>}); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="ppv_lite86" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
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id="1201">1201</span> +<span id="1202">1202</span> +<span id="1203">1203</span> +<span id="1204">1204</span> +<span id="1205">1205</span> +<span id="1206">1206</span> +<span id="1207">1207</span> +<span id="1208">1208</span> +<span id="1209">1209</span> +<span id="1210">1210</span> +<span id="1211">1211</span> +<span id="1212">1212</span> +<span id="1213">1213</span> +<span id="1214">1214</span> +<span id="1215">1215</span> +<span id="1216">1216</span> +<span id="1217">1217</span> +<span id="1218">1218</span> +<span id="1219">1219</span> +<span id="1220">1220</span> +<span id="1221">1221</span> +<span id="1222">1222</span> +<span id="1223">1223</span> +<span id="1224">1224</span> +<span id="1225">1225</span> +<span id="1226">1226</span> +<span id="1227">1227</span> +<span id="1228">1228</span> +<span id="1229">1229</span> +<span id="1230">1230</span> +<span id="1231">1231</span> +<span id="1232">1232</span> +<span id="1233">1233</span> +<span id="1234">1234</span> +<span id="1235">1235</span> +<span id="1236">1236</span> +<span id="1237">1237</span> +<span id="1238">1238</span> +<span id="1239">1239</span> +<span id="1240">1240</span> +<span id="1241">1241</span> +<span id="1242">1242</span> +<span id="1243">1243</span> +<span id="1244">1244</span> +<span id="1245">1245</span> +<span id="1246">1246</span> +<span id="1247">1247</span> +<span id="1248">1248</span> +<span id="1249">1249</span> +<span id="1250">1250</span> +<span id="1251">1251</span> +<span id="1252">1252</span> +<span id="1253">1253</span> +<span id="1254">1254</span> +<span id="1255">1255</span> +<span id="1256">1256</span> +<span id="1257">1257</span> +<span id="1258">1258</span> +<span id="1259">1259</span> +<span id="1260">1260</span> +<span id="1261">1261</span> +<span id="1262">1262</span> +<span id="1263">1263</span> +<span id="1264">1264</span> +<span id="1265">1265</span> +<span id="1266">1266</span> +<span id="1267">1267</span> +<span id="1268">1268</span> +<span id="1269">1269</span> +<span id="1270">1270</span> +<span id="1271">1271</span> +<span id="1272">1272</span> +<span id="1273">1273</span> +<span id="1274">1274</span> +<span id="1275">1275</span> +<span id="1276">1276</span> +<span id="1277">1277</span> +<span id="1278">1278</span> +<span id="1279">1279</span> +<span id="1280">1280</span> +<span id="1281">1281</span> +<span id="1282">1282</span> +<span id="1283">1283</span> +<span id="1284">1284</span> +<span id="1285">1285</span> +<span id="1286">1286</span> +<span id="1287">1287</span> +<span id="1288">1288</span> +<span id="1289">1289</span> +<span id="1290">1290</span> +<span id="1291">1291</span> +<span id="1292">1292</span> +<span id="1293">1293</span> +<span id="1294">1294</span> +<span id="1295">1295</span> +<span id="1296">1296</span> +<span id="1297">1297</span> +<span id="1298">1298</span> +<span id="1299">1299</span> +<span id="1300">1300</span> +<span id="1301">1301</span> +<span id="1302">1302</span> +<span id="1303">1303</span> +<span id="1304">1304</span> +<span id="1305">1305</span> +<span id="1306">1306</span> +<span id="1307">1307</span> +<span id="1308">1308</span> +<span id="1309">1309</span> +<span id="1310">1310</span> +<span id="1311">1311</span> +<span id="1312">1312</span> +<span id="1313">1313</span> +<span id="1314">1314</span> +<span id="1315">1315</span> +<span id="1316">1316</span> +<span id="1317">1317</span> +<span id="1318">1318</span> +<span id="1319">1319</span> +<span id="1320">1320</span> +<span id="1321">1321</span> +<span id="1322">1322</span> +<span id="1323">1323</span> +<span id="1324">1324</span> +<span id="1325">1325</span> +<span id="1326">1326</span> +<span id="1327">1327</span> +<span id="1328">1328</span> +<span id="1329">1329</span> +<span id="1330">1330</span> +<span id="1331">1331</span> +<span id="1332">1332</span> +<span id="1333">1333</span> +<span id="1334">1334</span> +<span id="1335">1335</span> +<span id="1336">1336</span> +<span id="1337">1337</span> +<span id="1338">1338</span> +<span id="1339">1339</span> +<span id="1340">1340</span> +<span id="1341">1341</span> +<span id="1342">1342</span> +<span id="1343">1343</span> +<span id="1344">1344</span> +<span id="1345">1345</span> +<span id="1346">1346</span> +<span id="1347">1347</span> +<span id="1348">1348</span> +<span id="1349">1349</span> +<span id="1350">1350</span> +<span id="1351">1351</span> +<span id="1352">1352</span> +<span id="1353">1353</span> +<span id="1354">1354</span> +<span id="1355">1355</span> +<span id="1356">1356</span> +<span id="1357">1357</span> +<span id="1358">1358</span> +<span id="1359">1359</span> +<span id="1360">1360</span> +<span id="1361">1361</span> +<span id="1362">1362</span> +<span id="1363">1363</span> +<span id="1364">1364</span> +<span id="1365">1365</span> +<span id="1366">1366</span> +<span id="1367">1367</span> +<span id="1368">1368</span> +<span id="1369">1369</span> +<span id="1370">1370</span> +<span id="1371">1371</span> +<span id="1372">1372</span> +<span id="1373">1373</span> +<span id="1374">1374</span> +<span id="1375">1375</span> +<span id="1376">1376</span> +<span id="1377">1377</span> +<span id="1378">1378</span> +<span id="1379">1379</span> +<span id="1380">1380</span> +<span id="1381">1381</span> +<span id="1382">1382</span> +<span id="1383">1383</span> +<span id="1384">1384</span> +<span id="1385">1385</span> +<span id="1386">1386</span> +<span id="1387">1387</span> +<span id="1388">1388</span> +<span id="1389">1389</span> +<span id="1390">1390</span> +<span id="1391">1391</span> +<span id="1392">1392</span> +<span id="1393">1393</span> +<span id="1394">1394</span> +<span id="1395">1395</span> +<span id="1396">1396</span> +<span id="1397">1397</span> +<span id="1398">1398</span> +<span id="1399">1399</span> +<span id="1400">1400</span> +<span id="1401">1401</span> +<span id="1402">1402</span> +<span id="1403">1403</span> +<span id="1404">1404</span> +<span id="1405">1405</span> +<span id="1406">1406</span> +<span id="1407">1407</span> +<span id="1408">1408</span> +<span id="1409">1409</span> +<span id="1410">1410</span> +<span id="1411">1411</span> +<span id="1412">1412</span> +<span id="1413">1413</span> +<span id="1414">1414</span> +<span id="1415">1415</span> +<span id="1416">1416</span> +<span id="1417">1417</span> +<span id="1418">1418</span> +<span id="1419">1419</span> +<span id="1420">1420</span> +<span id="1421">1421</span> +<span id="1422">1422</span> +<span id="1423">1423</span> +<span id="1424">1424</span> +<span id="1425">1425</span> +<span id="1426">1426</span> +<span id="1427">1427</span> +<span id="1428">1428</span> +<span id="1429">1429</span> +<span id="1430">1430</span> +<span id="1431">1431</span> +<span id="1432">1432</span> +<span id="1433">1433</span> +<span id="1434">1434</span> +<span id="1435">1435</span> +<span id="1436">1436</span> +<span id="1437">1437</span> +<span id="1438">1438</span> +<span id="1439">1439</span> +<span id="1440">1440</span> +<span id="1441">1441</span> +<span id="1442">1442</span> +<span id="1443">1443</span> +<span id="1444">1444</span> +<span id="1445">1445</span> +<span id="1446">1446</span> +<span id="1447">1447</span> +<span id="1448">1448</span> +<span id="1449">1449</span> +<span id="1450">1450</span> +<span id="1451">1451</span> +<span id="1452">1452</span> +<span id="1453">1453</span> +<span id="1454">1454</span> +<span id="1455">1455</span> +<span id="1456">1456</span> +<span id="1457">1457</span> +<span id="1458">1458</span> +<span id="1459">1459</span> +<span id="1460">1460</span> +<span id="1461">1461</span> +<span id="1462">1462</span> +<span id="1463">1463</span> +<span id="1464">1464</span> +<span id="1465">1465</span> +<span id="1466">1466</span> +<span id="1467">1467</span> +<span id="1468">1468</span> +<span id="1469">1469</span> +<span id="1470">1470</span> +<span id="1471">1471</span> +<span id="1472">1472</span> +<span id="1473">1473</span> +<span id="1474">1474</span> +<span id="1475">1475</span> +<span id="1476">1476</span> +<span id="1477">1477</span> +<span id="1478">1478</span> +<span id="1479">1479</span> +<span id="1480">1480</span> +<span id="1481">1481</span> +<span id="1482">1482</span> +<span id="1483">1483</span> +<span id="1484">1484</span> +<span id="1485">1485</span> +<span id="1486">1486</span> +<span id="1487">1487</span> +<span id="1488">1488</span> +<span id="1489">1489</span> +<span id="1490">1490</span> +<span id="1491">1491</span> +<span id="1492">1492</span> +<span id="1493">1493</span> +<span id="1494">1494</span> +<span id="1495">1495</span> +<span id="1496">1496</span> +<span id="1497">1497</span> +<span id="1498">1498</span> +<span id="1499">1499</span> +<span id="1500">1500</span> +<span id="1501">1501</span> +<span id="1502">1502</span> +<span id="1503">1503</span> +<span id="1504">1504</span> +<span id="1505">1505</span> +<span id="1506">1506</span> +<span id="1507">1507</span> +<span id="1508">1508</span> +<span id="1509">1509</span> +<span id="1510">1510</span> +<span id="1511">1511</span> +<span id="1512">1512</span> +<span id="1513">1513</span> +<span id="1514">1514</span> +<span id="1515">1515</span> +<span id="1516">1516</span> +<span id="1517">1517</span> +<span id="1518">1518</span> +<span id="1519">1519</span> +<span id="1520">1520</span> +<span id="1521">1521</span> +<span id="1522">1522</span> +<span id="1523">1523</span> +<span id="1524">1524</span> +<span id="1525">1525</span> +<span id="1526">1526</span> +<span id="1527">1527</span> +<span id="1528">1528</span> +<span id="1529">1529</span> +<span id="1530">1530</span> +<span id="1531">1531</span> +<span id="1532">1532</span> +<span id="1533">1533</span> +<span id="1534">1534</span> +<span id="1535">1535</span> +<span id="1536">1536</span> +<span id="1537">1537</span> +<span id="1538">1538</span> +<span id="1539">1539</span> +<span id="1540">1540</span> +<span id="1541">1541</span> +<span id="1542">1542</span> +<span id="1543">1543</span> +<span id="1544">1544</span> +<span id="1545">1545</span> +<span id="1546">1546</span> +<span id="1547">1547</span> +<span id="1548">1548</span> +<span id="1549">1549</span> +<span id="1550">1550</span> +<span id="1551">1551</span> +<span id="1552">1552</span> +<span id="1553">1553</span> +<span id="1554">1554</span> +<span id="1555">1555</span> +<span id="1556">1556</span> +<span id="1557">1557</span> +<span id="1558">1558</span> +<span id="1559">1559</span> +<span id="1560">1560</span> +<span id="1561">1561</span> +<span id="1562">1562</span> +<span id="1563">1563</span> +<span id="1564">1564</span> +<span id="1565">1565</span> +<span id="1566">1566</span> +<span id="1567">1567</span> +<span id="1568">1568</span> +<span id="1569">1569</span> +<span id="1570">1570</span> +<span id="1571">1571</span> +<span id="1572">1572</span> +<span id="1573">1573</span> +<span id="1574">1574</span> +<span id="1575">1575</span> +<span id="1576">1576</span> +<span id="1577">1577</span> +<span id="1578">1578</span> +<span id="1579">1579</span> +<span id="1580">1580</span> +<span id="1581">1581</span> +<span id="1582">1582</span> +<span id="1583">1583</span> +<span id="1584">1584</span> +<span id="1585">1585</span> +<span id="1586">1586</span> +<span id="1587">1587</span> +<span id="1588">1588</span> +<span id="1589">1589</span> +<span id="1590">1590</span> +<span id="1591">1591</span> +<span id="1592">1592</span> +<span id="1593">1593</span> +<span id="1594">1594</span> +<span id="1595">1595</span> +<span id="1596">1596</span> +<span id="1597">1597</span> +<span id="1598">1598</span> +<span id="1599">1599</span> +<span id="1600">1600</span> +<span id="1601">1601</span> +<span id="1602">1602</span> +<span id="1603">1603</span> +<span id="1604">1604</span> +<span id="1605">1605</span> +<span id="1606">1606</span> +<span id="1607">1607</span> +<span id="1608">1608</span> +<span id="1609">1609</span> +<span id="1610">1610</span> +<span id="1611">1611</span> +<span id="1612">1612</span> +<span id="1613">1613</span> +<span id="1614">1614</span> +<span id="1615">1615</span> +<span id="1616">1616</span> +<span id="1617">1617</span> +<span id="1618">1618</span> +<span id="1619">1619</span> +<span id="1620">1620</span> +<span id="1621">1621</span> +<span id="1622">1622</span> +<span id="1623">1623</span> +<span id="1624">1624</span> +<span id="1625">1625</span> +<span id="1626">1626</span> +<span id="1627">1627</span> +<span id="1628">1628</span> +<span id="1629">1629</span> +<span id="1630">1630</span> +<span id="1631">1631</span> +<span id="1632">1632</span> +<span id="1633">1633</span> +<span id="1634">1634</span> +<span id="1635">1635</span> +<span id="1636">1636</span> +<span id="1637">1637</span> +<span id="1638">1638</span> +<span id="1639">1639</span> +<span id="1640">1640</span> +<span id="1641">1641</span> +<span id="1642">1642</span> +<span id="1643">1643</span> +<span id="1644">1644</span> +<span id="1645">1645</span> +<span id="1646">1646</span> +<span id="1647">1647</span> +<span id="1648">1648</span> +<span id="1649">1649</span> +<span id="1650">1650</span> +<span id="1651">1651</span> +<span id="1652">1652</span> +<span id="1653">1653</span> +<span id="1654">1654</span> +<span id="1655">1655</span> +<span id="1656">1656</span> +<span id="1657">1657</span> +<span id="1658">1658</span> +<span id="1659">1659</span> +<span id="1660">1660</span> +<span id="1661">1661</span> +<span id="1662">1662</span> +<span id="1663">1663</span> +<span id="1664">1664</span> +<span id="1665">1665</span> +<span id="1666">1666</span> +<span id="1667">1667</span> +<span id="1668">1668</span> +<span id="1669">1669</span> +<span id="1670">1670</span> +<span id="1671">1671</span> +<span id="1672">1672</span> +<span id="1673">1673</span> +<span id="1674">1674</span> +<span id="1675">1675</span> +<span id="1676">1676</span> +<span id="1677">1677</span> +<span id="1678">1678</span> +<span id="1679">1679</span> +<span id="1680">1680</span> +<span id="1681">1681</span> +<span id="1682">1682</span> +<span id="1683">1683</span> +<span id="1684">1684</span> +<span id="1685">1685</span> +<span id="1686">1686</span> +<span id="1687">1687</span> +<span id="1688">1688</span> +<span id="1689">1689</span> +<span id="1690">1690</span> +<span id="1691">1691</span> +<span id="1692">1692</span> +<span id="1693">1693</span> +<span id="1694">1694</span> +<span id="1695">1695</span> +<span id="1696">1696</span> +<span id="1697">1697</span> +<span id="1698">1698</span> +<span id="1699">1699</span> +<span id="1700">1700</span> +<span id="1701">1701</span> +<span id="1702">1702</span> +<span id="1703">1703</span> +</pre><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::soft::{x2, x4}; +<span class="kw">use </span><span class="kw">crate</span>::types::<span class="kw-2">*</span>; +<span class="kw">use </span><span class="kw">crate</span>::vec128_storage; +<span class="kw">use </span><span class="kw">crate</span>::x86_64::Avx2Machine; +<span class="kw">use </span><span class="kw">crate</span>::x86_64::SseMachine <span class="kw">as </span>Machine86; +<span class="kw">use </span><span class="kw">crate</span>::x86_64::{NoS3, NoS4, YesS3, YesS4}; +<span class="kw">use </span>core::arch::x86_64::<span class="kw-2">*</span>; +<span class="kw">use </span>core::marker::PhantomData; +<span class="kw">use </span>core::ops::{ + Add, AddAssign, BitAnd, BitAndAssign, BitOr, BitOrAssign, BitXor, BitXorAssign, Not, +}; + +<span class="macro">macro_rules! </span>impl_binop { + (<span class="macro-nonterminal">$vec</span>:ident, <span class="macro-nonterminal">$</span><span class="kw">trait</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$</span><span class="kw">fn</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$impl_fn</span>:ident) => { + <span class="kw">impl</span><S3, S4, NI> <span class="macro-nonterminal">$</span><span class="kw">trait for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> { + <span class="kw">type </span>Output = <span class="self">Self</span>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">self</span>, rhs: <span class="self">Self</span>) -> <span class="self">Self</span>::Output { + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ <span class="macro-nonterminal">$impl_fn</span>(<span class="self">self</span>.x, rhs.x) }) + } + } + }; +} + +<span class="macro">macro_rules! </span>impl_binop_assign { + (<span class="macro-nonterminal">$vec</span>:ident, <span class="macro-nonterminal">$</span><span class="kw">trait</span>:<span class="macro-nonterminal">ident</span>, <span class="macro-nonterminal">$fn_assign</span>:ident, <span class="macro-nonterminal">$</span><span class="kw">fn</span>:<span class="macro-nonterminal">ident</span>) => { + <span class="kw">impl</span><S3, S4, NI> <span class="macro-nonterminal">$</span><span class="kw">trait for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> + <span class="kw">where + </span><span class="macro-nonterminal">$vec</span><S3, S4, NI>: Copy, + { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$fn_assign</span>(<span class="kw-2">&mut </span><span class="self">self</span>, rhs: <span class="self">Self</span>) { + <span class="kw-2">*</span><span class="self">self </span>= <span class="self">self</span>.<span class="macro-nonterminal">$</span><span class="kw">fn</span>(<span class="macro-nonterminal">rhs</span>); + } + } + }; +} + +<span class="macro">macro_rules! </span>def_vec { + (<span class="macro-nonterminal">$vec</span>:ident, <span class="macro-nonterminal">$word</span>:ident) => { + <span class="attribute">#[allow(non_camel_case_types)] + #[derive(Copy, Clone)] + </span><span class="kw">pub struct </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> { + x: __m128i, + s3: PhantomData<S3>, + s4: PhantomData<S4>, + ni: PhantomData<NI>, + } + + <span class="kw">impl</span><S3, S4, NI> Store<vec128_storage> <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unpack(x: vec128_storage) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(x.sse2) + } + } + <span class="kw">impl</span><S3, S4, NI> From<<span class="macro-nonterminal">$vec</span><S3, S4, NI>> <span class="kw">for </span>vec128_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: <span class="macro-nonterminal">$vec</span><S3, S4, NI>) -> <span class="self">Self </span>{ + vec128_storage { sse2: x.x } + } + } + <span class="kw">impl</span><S3, S4, NI> <span class="macro-nonterminal">$vec</span><S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>new(x: __m128i) -> <span class="self">Self </span>{ + <span class="macro-nonterminal">$vec </span>{ + x, + s3: PhantomData, + s4: PhantomData, + ni: PhantomData, + } + } + } + + <span class="kw">impl</span><S3, S4, NI> StoreBytes <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> + <span class="kw">where + </span><span class="self">Self</span>: BSwap, + { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_le(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="macro">assert_eq!</span>(input.len(), <span class="number">16</span>); + <span class="self">Self</span>::new(_mm_loadu_si128(input.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_</span>)) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_be(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="macro">assert_eq!</span>(input.len(), <span class="number">16</span>); + <span class="self">Self</span>::new(_mm_loadu_si128(input.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_</span>)).bswap() + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_le(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="macro">assert_eq!</span>(out.len(), <span class="number">16</span>); + <span class="kw">unsafe </span>{ _mm_storeu_si128(out.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>, <span class="self">self</span>.x) } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_be(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="macro">assert_eq!</span>(out.len(), <span class="number">16</span>); + <span class="kw">let </span>x = <span class="self">self</span>.bswap().x; + <span class="kw">unsafe </span>{ + _mm_storeu_si128(out.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>, x); + } + } + } + + <span class="kw">impl</span><S3, S4, NI> Default <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>default() -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_setzero_si128() }) + } + } + + <span class="kw">impl</span><S3, S4, NI> Not <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> { + <span class="kw">type </span>Output = <span class="self">Self</span>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>not(<span class="self">self</span>) -> <span class="self">Self</span>::Output { + <span class="kw">unsafe </span>{ + <span class="kw">let </span>ff = _mm_set1_epi64x(-<span class="number">1i64</span>); + <span class="self">self </span>^ <span class="self">Self</span>::new(ff) + } + } + } + + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> BitOps0 <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> {} + <span class="macro">impl_binop!</span>(<span class="macro-nonterminal">$vec</span>, BitAnd, bitand, _mm_and_si128); + <span class="macro">impl_binop!</span>(<span class="macro-nonterminal">$vec</span>, BitOr, bitor, _mm_or_si128); + <span class="macro">impl_binop!</span>(<span class="macro-nonterminal">$vec</span>, BitXor, bitxor, _mm_xor_si128); + <span class="macro">impl_binop_assign!</span>(<span class="macro-nonterminal">$vec</span>, BitAndAssign, bitand_assign, bitand); + <span class="macro">impl_binop_assign!</span>(<span class="macro-nonterminal">$vec</span>, BitOrAssign, bitor_assign, bitor); + <span class="macro">impl_binop_assign!</span>(<span class="macro-nonterminal">$vec</span>, BitXorAssign, bitxor_assign, bitxor); + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> AndNot <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> { + <span class="kw">type </span>Output = <span class="self">Self</span>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>andnot(<span class="self">self</span>, rhs: <span class="self">Self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_andnot_si128(<span class="self">self</span>.x, rhs.x) }) + } + } + }; +} + +<span class="macro">macro_rules! </span>impl_bitops32 { + (<span class="macro-nonterminal">$vec</span>:ident) => { + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> BitOps32 <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> <span class="kw">where + </span><span class="macro-nonterminal">$vec</span><S3, S4, NI>: RotateEachWord32 + { + } + }; +} + +<span class="macro">macro_rules! </span>impl_bitops64 { + (<span class="macro-nonterminal">$vec</span>:ident) => { + <span class="macro">impl_bitops32!</span>(<span class="macro-nonterminal">$vec</span>); + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> BitOps64 <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> <span class="kw">where + </span><span class="macro-nonterminal">$vec</span><S3, S4, NI>: RotateEachWord64 + RotateEachWord32 + { + } + }; +} + +<span class="macro">macro_rules! </span>impl_bitops128 { + (<span class="macro-nonterminal">$vec</span>:ident) => { + <span class="macro">impl_bitops64!</span>(<span class="macro-nonterminal">$vec</span>); + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> BitOps128 <span class="kw">for </span><span class="macro-nonterminal">$vec</span><S3, S4, NI> <span class="kw">where + </span><span class="macro-nonterminal">$vec</span><S3, S4, NI>: RotateEachWord128 + { + } + }; +} + +<span class="macro">macro_rules! </span>rotr_32_s3 { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$k0</span>:expr, <span class="macro-nonterminal">$k1</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi8(<span class="self">self</span>.x, _mm_set_epi64x(<span class="macro-nonterminal">$k0</span>, <span class="macro-nonterminal">$k1</span>)) }) + } + }; +} +<span class="macro">macro_rules! </span>rotr_32 { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$i</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + _mm_or_si128( + _mm_srli_epi32(<span class="self">self</span>.x, <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + _mm_slli_epi32(<span class="self">self</span>.x, <span class="number">32 </span>- <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + ) + }) + } + }; +} +<span class="kw">impl</span><S4: Copy, NI: Copy> RotateEachWord32 <span class="kw">for </span>u32x4_sse2<YesS3, S4, NI> { + <span class="macro">rotr_32!</span>(rotate_each_word_right7, <span class="number">7</span>); + <span class="macro">rotr_32_s3!</span>( + rotate_each_word_right8, + <span class="number">0x0c0f_0e0d_080b_0a09</span>, + <span class="number">0x0407_0605_0003_0201 + </span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right11, <span class="number">11</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right12, <span class="number">12</span>); + <span class="macro">rotr_32_s3!</span>( + rotate_each_word_right16, + <span class="number">0x0d0c_0f0e_0908_0b0a</span>, + <span class="number">0x0504_0706_0100_0302 + </span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right20, <span class="number">20</span>); + <span class="macro">rotr_32_s3!</span>( + rotate_each_word_right24, + <span class="number">0x0e0d_0c0f_0a09_080b</span>, + <span class="number">0x0605_0407_0201_0003 + </span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right25, <span class="number">25</span>); +} +<span class="kw">impl</span><S4: Copy, NI: Copy> RotateEachWord32 <span class="kw">for </span>u32x4_sse2<NoS3, S4, NI> { + <span class="macro">rotr_32!</span>(rotate_each_word_right7, <span class="number">7</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right8, <span class="number">8</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right11, <span class="number">11</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right12, <span class="number">12</span>); + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>rotate_each_word_right16(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(swap16_s2(<span class="self">self</span>.x)) + } + <span class="macro">rotr_32!</span>(rotate_each_word_right20, <span class="number">20</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right24, <span class="number">24</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right25, <span class="number">25</span>); +} + +<span class="macro">macro_rules! </span>rotr_64_s3 { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$k0</span>:expr, <span class="macro-nonterminal">$k1</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi8(<span class="self">self</span>.x, _mm_set_epi64x(<span class="macro-nonterminal">$k0</span>, <span class="macro-nonterminal">$k1</span>)) }) + } + }; +} +<span class="macro">macro_rules! </span>rotr_64 { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$i</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + _mm_or_si128( + _mm_srli_epi64(<span class="self">self</span>.x, <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + _mm_slli_epi64(<span class="self">self</span>.x, <span class="number">64 </span>- <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + ) + }) + } + }; +} +<span class="kw">impl</span><S4: Copy, NI: Copy> RotateEachWord32 <span class="kw">for </span>u64x2_sse2<YesS3, S4, NI> { + <span class="macro">rotr_64!</span>(rotate_each_word_right7, <span class="number">7</span>); + <span class="macro">rotr_64_s3!</span>( + rotate_each_word_right8, + <span class="number">0x080f_0e0d_0c0b_0a09</span>, + <span class="number">0x0007_0605_0403_0201 + </span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right11, <span class="number">11</span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right12, <span class="number">12</span>); + <span class="macro">rotr_64_s3!</span>( + rotate_each_word_right16, + <span class="number">0x0908_0f0e_0d0c_0b0a</span>, + <span class="number">0x0100_0706_0504_0302 + </span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right20, <span class="number">20</span>); + <span class="macro">rotr_64_s3!</span>( + rotate_each_word_right24, + <span class="number">0x0a09_080f_0e0d_0c0b</span>, + <span class="number">0x0201_0007_0605_0403 + </span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right25, <span class="number">25</span>); +} +<span class="kw">impl</span><S4: Copy, NI: Copy> RotateEachWord32 <span class="kw">for </span>u64x2_sse2<NoS3, S4, NI> { + <span class="macro">rotr_64!</span>(rotate_each_word_right7, <span class="number">7</span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right8, <span class="number">8</span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right11, <span class="number">11</span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right12, <span class="number">12</span>); + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>rotate_each_word_right16(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(swap16_s2(<span class="self">self</span>.x)) + } + <span class="macro">rotr_64!</span>(rotate_each_word_right20, <span class="number">20</span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right24, <span class="number">24</span>); + <span class="macro">rotr_64!</span>(rotate_each_word_right25, <span class="number">25</span>); +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> RotateEachWord64 <span class="kw">for </span>u64x2_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>rotate_each_word_right32(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b10110001</span>) }) + } +} + +<span class="macro">macro_rules! </span>rotr_128 { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$i</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + _mm_or_si128( + _mm_srli_si128(<span class="self">self</span>.x, <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + _mm_slli_si128(<span class="self">self</span>.x, <span class="number">128 </span>- <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + ) + }) + } + }; +} +<span class="comment">// TODO: completely unoptimized +</span><span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> RotateEachWord32 <span class="kw">for </span>u128x1_sse2<S3, S4, NI> { + <span class="macro">rotr_128!</span>(rotate_each_word_right7, <span class="number">7</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right8, <span class="number">8</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right11, <span class="number">11</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right12, <span class="number">12</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right16, <span class="number">16</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right20, <span class="number">20</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right24, <span class="number">24</span>); + <span class="macro">rotr_128!</span>(rotate_each_word_right25, <span class="number">25</span>); +} +<span class="comment">// TODO: completely unoptimized +</span><span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> RotateEachWord64 <span class="kw">for </span>u128x1_sse2<S3, S4, NI> { + <span class="macro">rotr_128!</span>(rotate_each_word_right32, <span class="number">32</span>); +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> RotateEachWord128 <span class="kw">for </span>u128x1_sse2<S3, S4, NI> {} + +<span class="macro">def_vec!</span>(u32x4_sse2, u32); +<span class="macro">def_vec!</span>(u64x2_sse2, u64); +<span class="macro">def_vec!</span>(u128x1_sse2, u128); + +<span class="kw">impl</span><S3, NI> MultiLane<[u32; <span class="number">4</span>]> <span class="kw">for </span>u32x4_sse2<S3, YesS4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u32; <span class="number">4</span>] { + <span class="kw">unsafe </span>{ + <span class="kw">let </span>x = _mm_cvtsi128_si64(<span class="self">self</span>.x) <span class="kw">as </span>u64; + <span class="kw">let </span>y = _mm_extract_epi64(<span class="self">self</span>.x, <span class="number">1</span>) <span class="kw">as </span>u64; + [x <span class="kw">as </span>u32, (x >> <span class="number">32</span>) <span class="kw">as </span>u32, y <span class="kw">as </span>u32, (y >> <span class="number">32</span>) <span class="kw">as </span>u32] + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(xs: [u32; <span class="number">4</span>]) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>x = _mm_cvtsi64_si128((xs[<span class="number">0</span>] <span class="kw">as </span>u64 | ((xs[<span class="number">1</span>] <span class="kw">as </span>u64) << <span class="number">32</span>)) <span class="kw">as </span>i64); + x = _mm_insert_epi64(x, (xs[<span class="number">2</span>] <span class="kw">as </span>u64 | ((xs[<span class="number">3</span>] <span class="kw">as </span>u64) << <span class="number">32</span>)) <span class="kw">as </span>i64, <span class="number">1</span>); + <span class="self">Self</span>::new(x) + } + } +} +<span class="kw">impl</span><S3, NI> MultiLane<[u32; <span class="number">4</span>]> <span class="kw">for </span>u32x4_sse2<S3, NoS4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u32; <span class="number">4</span>] { + <span class="kw">unsafe </span>{ + <span class="kw">let </span>x = _mm_cvtsi128_si64(<span class="self">self</span>.x) <span class="kw">as </span>u64; + <span class="kw">let </span>y = _mm_cvtsi128_si64(_mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b11101110</span>)) <span class="kw">as </span>u64; + [x <span class="kw">as </span>u32, (x >> <span class="number">32</span>) <span class="kw">as </span>u32, y <span class="kw">as </span>u32, (y >> <span class="number">32</span>) <span class="kw">as </span>u32] + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(xs: [u32; <span class="number">4</span>]) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + <span class="kw">let </span>x = (xs[<span class="number">0</span>] <span class="kw">as </span>u64 | ((xs[<span class="number">1</span>] <span class="kw">as </span>u64) << <span class="number">32</span>)) <span class="kw">as </span>i64; + <span class="kw">let </span>y = (xs[<span class="number">2</span>] <span class="kw">as </span>u64 | ((xs[<span class="number">3</span>] <span class="kw">as </span>u64) << <span class="number">32</span>)) <span class="kw">as </span>i64; + <span class="kw">let </span>x = _mm_cvtsi64_si128(x); + <span class="kw">let </span>y = _mm_slli_si128(_mm_cvtsi64_si128(y), <span class="number">8</span>); + <span class="self">Self</span>::new(_mm_or_si128(x, y)) + } + } +} +<span class="kw">impl</span><S3, NI> MultiLane<[u64; <span class="number">2</span>]> <span class="kw">for </span>u64x2_sse2<S3, YesS4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u64; <span class="number">2</span>] { + <span class="kw">unsafe </span>{ + [ + _mm_cvtsi128_si64(<span class="self">self</span>.x) <span class="kw">as </span>u64, + _mm_extract_epi64(<span class="self">self</span>.x, <span class="number">1</span>) <span class="kw">as </span>u64, + ] + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(xs: [u64; <span class="number">2</span>]) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>x = _mm_cvtsi64_si128(xs[<span class="number">0</span>] <span class="kw">as </span>i64); + x = _mm_insert_epi64(x, xs[<span class="number">1</span>] <span class="kw">as </span>i64, <span class="number">1</span>); + <span class="self">Self</span>::new(x) + } + } +} +<span class="kw">impl</span><S3, NI> MultiLane<[u64; <span class="number">2</span>]> <span class="kw">for </span>u64x2_sse2<S3, NoS4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u64; <span class="number">2</span>] { + <span class="kw">unsafe </span>{ + [ + _mm_cvtsi128_si64(<span class="self">self</span>.x) <span class="kw">as </span>u64, + _mm_cvtsi128_si64(_mm_srli_si128(<span class="self">self</span>.x, <span class="number">8</span>)) <span class="kw">as </span>u64, + ] + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(xs: [u64; <span class="number">2</span>]) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + <span class="kw">let </span>x = _mm_cvtsi64_si128(xs[<span class="number">0</span>] <span class="kw">as </span>i64); + <span class="kw">let </span>y = _mm_slli_si128(_mm_cvtsi64_si128(xs[<span class="number">1</span>] <span class="kw">as </span>i64), <span class="number">8</span>); + <span class="self">Self</span>::new(_mm_or_si128(x, y)) + } + } +} +<span class="kw">impl</span><S3, S4, NI> MultiLane<[u128; <span class="number">1</span>]> <span class="kw">for </span>u128x1_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u128; <span class="number">1</span>] { + <span class="macro">unimplemented!</span>() + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(xs: [u128; <span class="number">1</span>]) -> <span class="self">Self </span>{ + <span class="macro">unimplemented!</span>(<span class="string">"{:?}"</span>, xs) + } +} + +<span class="kw">impl</span><S3, S4, NI> MultiLane<[u64; <span class="number">4</span>]> <span class="kw">for </span>u64x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: MultiLane<[u64; <span class="number">2</span>]> + Copy, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u64; <span class="number">4</span>] { + <span class="kw">let </span>(a, b) = (<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].to_lanes(), <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].to_lanes()); + [a[<span class="number">0</span>], a[<span class="number">1</span>], b[<span class="number">0</span>], b[<span class="number">1</span>]] + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(xs: [u64; <span class="number">4</span>]) -> <span class="self">Self </span>{ + <span class="kw">let </span>(a, b) = ( + u64x2_sse2::from_lanes([xs[<span class="number">0</span>], xs[<span class="number">1</span>]]), + u64x2_sse2::from_lanes([xs[<span class="number">2</span>], xs[<span class="number">3</span>]]), + ); + x2::new([a, b]) + } +} + +<span class="macro">macro_rules! </span>impl_into { + (<span class="macro-nonterminal">$from</span>:ident, <span class="macro-nonterminal">$to</span>:ident) => { + <span class="kw">impl</span><S3, S4, NI> From<<span class="macro-nonterminal">$from</span><S3, S4, NI>> <span class="kw">for </span><span class="macro-nonterminal">$to</span><S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: <span class="macro-nonterminal">$from</span><S3, S4, NI>) -> <span class="self">Self </span>{ + <span class="macro-nonterminal">$to::new</span>(x.x) + } + } + }; +} + +<span class="macro">impl_into!</span>(u128x1_sse2, u32x4_sse2); +<span class="macro">impl_into!</span>(u128x1_sse2, u64x2_sse2); + +<span class="macro">impl_bitops32!</span>(u32x4_sse2); +<span class="macro">impl_bitops64!</span>(u64x2_sse2); +<span class="macro">impl_bitops128!</span>(u128x1_sse2); + +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> ArithOps <span class="kw">for </span>u32x4_sse2<S3, S4, NI> <span class="kw">where + </span>u32x4_sse2<S3, S4, NI>: BSwap +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> ArithOps <span class="kw">for </span>u64x2_sse2<S3, S4, NI> <span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: BSwap +{ +} +<span class="macro">impl_binop!</span>(u32x4_sse2, Add, add, _mm_add_epi32); +<span class="macro">impl_binop!</span>(u64x2_sse2, Add, add, _mm_add_epi64); +<span class="macro">impl_binop_assign!</span>(u32x4_sse2, AddAssign, add_assign, add); +<span class="macro">impl_binop_assign!</span>(u64x2_sse2, AddAssign, add_assign, add); + +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u32x4<Machine86<S3, S4, NI>> <span class="kw">for </span>u32x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u32x4_sse2<S3, S4, NI>: RotateEachWord32 + BSwap + MultiLane<[u32; <span class="number">4</span>]> + Vec4<u32>, + Machine86<S3, S4, NI>: Machine, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u64x2<Machine86<S3, S4, NI>> <span class="kw">for </span>u64x2_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: + RotateEachWord64 + RotateEachWord32 + BSwap + MultiLane<[u64; <span class="number">2</span>]> + Vec2<u64>, + Machine86<S3, S4, NI>: Machine, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u128x1<Machine86<S3, S4, NI>> <span class="kw">for </span>u128x1_sse2<S3, S4, NI> +<span class="kw">where + </span>u128x1_sse2<S3, S4, NI>: Swap64 + RotateEachWord64 + RotateEachWord32 + BSwap, + Machine86<S3, S4, NI>: Machine, + u128x1_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4>, + u128x1_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2>, +{ +} + +<span class="kw">impl</span><NI: Copy> u32x4<Avx2Machine<NI>> <span class="kw">for </span>u32x4_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u32x4_sse2<YesS3, YesS4, NI>: RotateEachWord32 + BSwap + MultiLane<[u32; <span class="number">4</span>]> + Vec4<u32>, + Machine86<YesS3, YesS4, NI>: Machine, +{ +} +<span class="kw">impl</span><NI: Copy> u64x2<Avx2Machine<NI>> <span class="kw">for </span>u64x2_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u64x2_sse2<YesS3, YesS4, NI>: + RotateEachWord64 + RotateEachWord32 + BSwap + MultiLane<[u64; <span class="number">2</span>]> + Vec2<u64>, + Machine86<YesS3, YesS4, NI>: Machine, +{ +} +<span class="kw">impl</span><NI: Copy> u128x1<Avx2Machine<NI>> <span class="kw">for </span>u128x1_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u128x1_sse2<YesS3, YesS4, NI>: Swap64 + RotateEachWord64 + RotateEachWord32 + BSwap, + Machine86<YesS3, YesS4, NI>: Machine, + u128x1_sse2<YesS3, YesS4, NI>: Into<<Machine86<YesS3, YesS4, NI> <span class="kw">as </span>Machine>::u32x4>, + u128x1_sse2<YesS3, YesS4, NI>: Into<<Machine86<YesS3, YesS4, NI> <span class="kw">as </span>Machine>::u64x2>, +{ +} + +<span class="kw">impl</span><S3, S4, NI> UnsafeFrom<[u32; <span class="number">4</span>]> <span class="kw">for </span>u32x4_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_from(xs: [u32; <span class="number">4</span>]) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(_mm_set_epi32( + xs[<span class="number">3</span>] <span class="kw">as </span>i32, + xs[<span class="number">2</span>] <span class="kw">as </span>i32, + xs[<span class="number">1</span>] <span class="kw">as </span>i32, + xs[<span class="number">0</span>] <span class="kw">as </span>i32, + )) + } +} + +<span class="kw">impl</span><S3, NI> Vec4<u32> <span class="kw">for </span>u32x4_sse2<S3, YesS4, NI> +<span class="kw">where + </span><span class="self">Self</span>: MultiLane<[u32; <span class="number">4</span>]>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u32 { + <span class="self">self</span>.to_lanes()[i <span class="kw">as </span>usize] + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="self">self</span>, v: u32, i: u32) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> _mm_insert_epi32(<span class="self">self</span>.x, v <span class="kw">as </span>i32, <span class="number">0</span>), + <span class="number">1 </span>=> _mm_insert_epi32(<span class="self">self</span>.x, v <span class="kw">as </span>i32, <span class="number">1</span>), + <span class="number">2 </span>=> _mm_insert_epi32(<span class="self">self</span>.x, v <span class="kw">as </span>i32, <span class="number">2</span>), + <span class="number">3 </span>=> _mm_insert_epi32(<span class="self">self</span>.x, v <span class="kw">as </span>i32, <span class="number">3</span>), + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), + } + }) + } +} +<span class="kw">impl</span><S3, NI> Vec4<u32> <span class="kw">for </span>u32x4_sse2<S3, NoS4, NI> +<span class="kw">where + </span><span class="self">Self</span>: MultiLane<[u32; <span class="number">4</span>]>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u32 { + <span class="self">self</span>.to_lanes()[i <span class="kw">as </span>usize] + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="self">self</span>, v: u32, i: u32) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> { + <span class="kw">let </span>x = _mm_andnot_si128(_mm_cvtsi32_si128(-<span class="number">1</span>), <span class="self">self</span>.x); + _mm_or_si128(x, _mm_cvtsi32_si128(v <span class="kw">as </span>i32)) + } + <span class="number">1 </span>=> { + <span class="kw">let </span><span class="kw-2">mut </span>x = _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0111_1000</span>); + x = _mm_slli_si128(x, <span class="number">4</span>); + x = _mm_or_si128(x, _mm_cvtsi32_si128(v <span class="kw">as </span>i32)); + _mm_shuffle_epi32(x, <span class="number">0b1110_0001</span>) + } + <span class="number">2 </span>=> { + <span class="kw">let </span><span class="kw-2">mut </span>x = _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b1011_0100</span>); + x = _mm_slli_si128(x, <span class="number">4</span>); + x = _mm_or_si128(x, _mm_cvtsi32_si128(v <span class="kw">as </span>i32)); + _mm_shuffle_epi32(x, <span class="number">0b1100_1001</span>) + } + <span class="number">3 </span>=> { + <span class="kw">let </span><span class="kw-2">mut </span>x = _mm_slli_si128(<span class="self">self</span>.x, <span class="number">4</span>); + x = _mm_or_si128(x, _mm_cvtsi32_si128(v <span class="kw">as </span>i32)); + _mm_shuffle_epi32(x, <span class="number">0b0011_1001</span>) + } + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), + } + }) + } +} + +<span class="kw">impl</span><S3, S4, NI> LaneWords4 <span class="kw">for </span>u32x4_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">self</span>.shuffle2301() + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">self</span>.shuffle1230() + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">self</span>.shuffle3012() + } +} + +<span class="kw">impl</span><S3, S4, NI> Words4 <span class="kw">for </span>u32x4_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0100_1110</span>) }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b1001_0011</span>) }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0011_1001</span>) }) + } +} + +<span class="kw">impl</span><S4, NI> Words4 <span class="kw">for </span>u64x4_sse2<YesS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + x2::new([u64x2_sse2::new(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x), u64x2_sse2::new(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x)]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + x2::new([ + u64x2_sse2::new(_mm_alignr_epi8(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">8</span>)), + u64x2_sse2::new(_mm_alignr_epi8(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">8</span>)), + ]) + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + x2::new([ + u64x2_sse2::new(_mm_alignr_epi8(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">8</span>)), + u64x2_sse2::new(_mm_alignr_epi8(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">8</span>)), + ]) + } + } +} +<span class="kw">impl</span><S4, NI> Words4 <span class="kw">for </span>u64x4_sse2<NoS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + x2::new([u64x2_sse2::new(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x), u64x2_sse2::new(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x)]) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + <span class="kw">let </span>a = _mm_srli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">8</span>); + <span class="kw">let </span>b = _mm_slli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">8</span>); + <span class="kw">let </span>c = _mm_srli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">8</span>); + <span class="kw">let </span>d = _mm_slli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">8</span>); + <span class="kw">let </span>da = _mm_or_si128(d, a); + <span class="kw">let </span>bc = _mm_or_si128(b, c); + x2::new([u64x2_sse2::new(da), u64x2_sse2::new(bc)]) + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="kw">unsafe </span>{ + <span class="kw">let </span>a = _mm_srli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">8</span>); + <span class="kw">let </span>b = _mm_slli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">8</span>); + <span class="kw">let </span>c = _mm_srli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">8</span>); + <span class="kw">let </span>d = _mm_slli_si128(<span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">8</span>); + <span class="kw">let </span>da = _mm_or_si128(d, a); + <span class="kw">let </span>bc = _mm_or_si128(b, c); + x2::new([u64x2_sse2::new(bc), u64x2_sse2::new(da)]) + } + } +} + +<span class="kw">impl</span><S3, S4, NI> UnsafeFrom<[u64; <span class="number">2</span>]> <span class="kw">for </span>u64x2_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_from(xs: [u64; <span class="number">2</span>]) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(_mm_set_epi64x(xs[<span class="number">1</span>] <span class="kw">as </span>i64, xs[<span class="number">0</span>] <span class="kw">as </span>i64)) + } +} + +<span class="kw">impl</span><S3, NI> Vec2<u64> <span class="kw">for </span>u64x2_sse2<S3, YesS4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u64 { + <span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> _mm_cvtsi128_si64(<span class="self">self</span>.x) <span class="kw">as </span>u64, + <span class="number">1 </span>=> _mm_extract_epi64(<span class="self">self</span>.x, <span class="number">1</span>) <span class="kw">as </span>u64, + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), + } + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="self">self</span>, x: u64, i: u32) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> _mm_insert_epi64(<span class="self">self</span>.x, x <span class="kw">as </span>i64, <span class="number">0</span>), + <span class="number">1 </span>=> _mm_insert_epi64(<span class="self">self</span>.x, x <span class="kw">as </span>i64, <span class="number">1</span>), + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), + } + }) + } +} +<span class="kw">impl</span><S3, NI> Vec2<u64> <span class="kw">for </span>u64x2_sse2<S3, NoS4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u64 { + <span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> _mm_cvtsi128_si64(<span class="self">self</span>.x) <span class="kw">as </span>u64, + <span class="number">1 </span>=> _mm_cvtsi128_si64(_mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b11101110</span>)) <span class="kw">as </span>u64, + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), + } + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="self">self</span>, x: u64, i: u32) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> _mm_or_si128( + _mm_andnot_si128(_mm_cvtsi64_si128(-<span class="number">1</span>), <span class="self">self</span>.x), + _mm_cvtsi64_si128(x <span class="kw">as </span>i64), + ), + <span class="number">1 </span>=> _mm_or_si128( + _mm_move_epi64(<span class="self">self</span>.x), + _mm_slli_si128(_mm_cvtsi64_si128(x <span class="kw">as </span>i64), <span class="number">8</span>), + ), + <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(), + } + }) + } +} + +<span class="kw">impl</span><S4, NI> BSwap <span class="kw">for </span>u32x4_sse2<YesS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">let </span>k = _mm_set_epi64x(<span class="number">0x0c0d_0e0f_0809_0a0b</span>, <span class="number">0x0405_0607_0001_0203</span>); + _mm_shuffle_epi8(<span class="self">self</span>.x, k) + }) + } +} +<span class="attribute">#[inline(always)] +</span><span class="kw">fn </span>bswap32_s2(x: __m128i) -> __m128i { + <span class="kw">unsafe </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>y = _mm_unpacklo_epi8(x, _mm_setzero_si128()); + y = _mm_shufflehi_epi16(y, <span class="number">0b0001_1011</span>); + y = _mm_shufflelo_epi16(y, <span class="number">0b0001_1011</span>); + <span class="kw">let </span><span class="kw-2">mut </span>z = _mm_unpackhi_epi8(x, _mm_setzero_si128()); + z = _mm_shufflehi_epi16(z, <span class="number">0b0001_1011</span>); + z = _mm_shufflelo_epi16(z, <span class="number">0b0001_1011</span>); + _mm_packus_epi16(y, z) + } +} +<span class="kw">impl</span><S4, NI> BSwap <span class="kw">for </span>u32x4_sse2<NoS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(bswap32_s2(<span class="self">self</span>.x)) + } +} + +<span class="kw">impl</span><S4, NI> BSwap <span class="kw">for </span>u64x2_sse2<YesS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">let </span>k = _mm_set_epi64x(<span class="number">0x0809_0a0b_0c0d_0e0f</span>, <span class="number">0x0001_0203_0405_0607</span>); + _mm_shuffle_epi8(<span class="self">self</span>.x, k) + }) + } +} +<span class="kw">impl</span><S4, NI> BSwap <span class="kw">for </span>u64x2_sse2<NoS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ bswap32_s2(_mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b1011_0001</span>)) }) + } +} + +<span class="kw">impl</span><S4, NI> BSwap <span class="kw">for </span>u128x1_sse2<YesS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">let </span>k = _mm_set_epi64x(<span class="number">0x0f0e_0d0c_0b0a_0908</span>, <span class="number">0x0706_0504_0302_0100</span>); + _mm_shuffle_epi8(<span class="self">self</span>.x, k) + }) + } +} +<span class="kw">impl</span><S4, NI> BSwap <span class="kw">for </span>u128x1_sse2<NoS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>bswap(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">unimplemented!</span>() + } +} + +<span class="macro">macro_rules! </span>swapi { + (<span class="macro-nonterminal">$x</span>:expr, <span class="macro-nonterminal">$i</span>:expr, <span class="macro-nonterminal">$k</span>:expr) => { + <span class="kw">unsafe </span>{ + <span class="kw">const </span>K: u8 = <span class="macro-nonterminal">$k</span>; + <span class="kw">let </span>k = _mm_set1_epi8(K <span class="kw">as </span>i8); + u128x1_sse2::new(_mm_or_si128( + _mm_srli_epi16(_mm_and_si128(<span class="macro-nonterminal">$x</span>.x, k), <span class="macro-nonterminal">$i</span>), + _mm_and_si128(_mm_slli_epi16(<span class="macro-nonterminal">$x</span>.x, <span class="macro-nonterminal">$i</span>), k), + )) + } + }; +} +<span class="attribute">#[inline(always)] +</span><span class="kw">fn </span>swap16_s2(x: __m128i) -> __m128i { + <span class="kw">unsafe </span>{ _mm_shufflehi_epi16(_mm_shufflelo_epi16(x, <span class="number">0b1011_0001</span>), <span class="number">0b1011_0001</span>) } +} +<span class="kw">impl</span><S4, NI> Swap64 <span class="kw">for </span>u128x1_sse2<YesS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap1(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">swapi!</span>(<span class="self">self</span>, <span class="number">1</span>, <span class="number">0xaa</span>) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap2(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">swapi!</span>(<span class="self">self</span>, <span class="number">2</span>, <span class="number">0xcc</span>) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap4(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">swapi!</span>(<span class="self">self</span>, <span class="number">4</span>, <span class="number">0xf0</span>) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap8(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ + <span class="kw">let </span>k = _mm_set_epi64x(<span class="number">0x0e0f_0c0d_0a0b_0809</span>, <span class="number">0x0607_0405_0203_0001</span>); + _mm_shuffle_epi8(<span class="self">self</span>.x, k) + }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap16(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ + <span class="kw">let </span>k = _mm_set_epi64x(<span class="number">0x0d0c_0f0e_0908_0b0a</span>, <span class="number">0x0504_0706_0100_0302</span>); + _mm_shuffle_epi8(<span class="self">self</span>.x, k) + }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap32(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b1011_0001</span>) }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap64(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0100_1110</span>) }) + } +} +<span class="kw">impl</span><S4, NI> Swap64 <span class="kw">for </span>u128x1_sse2<NoS3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap1(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">swapi!</span>(<span class="self">self</span>, <span class="number">1</span>, <span class="number">0xaa</span>) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap2(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">swapi!</span>(<span class="self">self</span>, <span class="number">2</span>, <span class="number">0xcc</span>) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap4(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="macro">swapi!</span>(<span class="self">self</span>, <span class="number">4</span>, <span class="number">0xf0</span>) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap8(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ + _mm_or_si128(_mm_slli_epi16(<span class="self">self</span>.x, <span class="number">8</span>), _mm_srli_epi16(<span class="self">self</span>.x, <span class="number">8</span>)) + }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap16(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(swap16_s2(<span class="self">self</span>.x)) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap32(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b1011_0001</span>) }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>swap64(<span class="self">self</span>) -> <span class="self">Self </span>{ + u128x1_sse2::new(<span class="kw">unsafe </span>{ _mm_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0100_1110</span>) }) + } +} + +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>G0; +<span class="attribute">#[derive(Copy, Clone)] +</span><span class="kw">pub struct </span>G1; + +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u32x4x2_sse2<S3, S4, NI> = x2<u32x4_sse2<S3, S4, NI>, G0>; +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u64x2x2_sse2<S3, S4, NI> = x2<u64x2_sse2<S3, S4, NI>, G0>; +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u64x4_sse2<S3, S4, NI> = x2<u64x2_sse2<S3, S4, NI>, G1>; +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u128x2_sse2<S3, S4, NI> = x2<u128x1_sse2<S3, S4, NI>, G0>; + +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u32x4x4_sse2<S3, S4, NI> = x4<u32x4_sse2<S3, S4, NI>>; +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u64x2x4_sse2<S3, S4, NI> = x4<u64x2_sse2<S3, S4, NI>>; +<span class="attribute">#[allow(non_camel_case_types)] +</span><span class="kw">pub type </span>u128x4_sse2<S3, S4, NI> = x4<u128x1_sse2<S3, S4, NI>>; + +<span class="kw">impl</span><S3, S4, NI> Vector<[u32; <span class="number">16</span>]> <span class="kw">for </span>u32x4x4_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_scalars(<span class="self">self</span>) -> [u32; <span class="number">16</span>] { + <span class="kw">unsafe </span>{ core::mem::transmute(<span class="self">self</span>) } + } +} + +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u32x4x2<Machine86<S3, S4, NI>> <span class="kw">for </span>u32x4x2_sse2<S3, S4, NI> +<span class="kw">where + </span>u32x4_sse2<S3, S4, NI>: RotateEachWord32 + BSwap, + Machine86<S3, S4, NI>: Machine, + u32x4x2_sse2<S3, S4, NI>: MultiLane<[<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4; <span class="number">2</span>]>, + u32x4x2_sse2<S3, S4, NI>: Vec2<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4>, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u64x2x2<Machine86<S3, S4, NI>> <span class="kw">for </span>u64x2x2_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: RotateEachWord64 + RotateEachWord32 + BSwap, + Machine86<S3, S4, NI>: Machine, + u64x2x2_sse2<S3, S4, NI>: MultiLane<[<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2; <span class="number">2</span>]>, + u64x2x2_sse2<S3, S4, NI>: Vec2<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2>, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u64x4<Machine86<S3, S4, NI>> <span class="kw">for </span>u64x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: RotateEachWord64 + RotateEachWord32 + BSwap, + Machine86<S3, S4, NI>: Machine, + u64x4_sse2<S3, S4, NI>: MultiLane<[u64; <span class="number">4</span>]> + Vec4<u64> + Words4, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u128x2<Machine86<S3, S4, NI>> <span class="kw">for </span>u128x2_sse2<S3, S4, NI> +<span class="kw">where + </span>u128x1_sse2<S3, S4, NI>: Swap64 + BSwap, + Machine86<S3, S4, NI>: Machine, + u128x2_sse2<S3, S4, NI>: MultiLane<[<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u128x1; <span class="number">2</span>]>, + u128x2_sse2<S3, S4, NI>: Vec2<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u128x1>, + u128x2_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4x2>, + u128x2_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2x2>, + u128x2_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x4>, +{ +} + +<span class="kw">impl</span><NI: Copy> u32x4x2<Avx2Machine<NI>> <span class="kw">for </span>u32x4x2_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u32x4_sse2<YesS3, YesS4, NI>: RotateEachWord32 + BSwap, + Avx2Machine<NI>: Machine, + u32x4x2_sse2<YesS3, YesS4, NI>: MultiLane<[<Avx2Machine<NI> <span class="kw">as </span>Machine>::u32x4; <span class="number">2</span>]>, + u32x4x2_sse2<YesS3, YesS4, NI>: Vec2<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u32x4>, +{ +} +<span class="kw">impl</span><NI: Copy> u64x2x2<Avx2Machine<NI>> <span class="kw">for </span>u64x2x2_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u64x2_sse2<YesS3, YesS4, NI>: RotateEachWord64 + RotateEachWord32 + BSwap, + Avx2Machine<NI>: Machine, + u64x2x2_sse2<YesS3, YesS4, NI>: MultiLane<[<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x2; <span class="number">2</span>]>, + u64x2x2_sse2<YesS3, YesS4, NI>: Vec2<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x2>, +{ +} +<span class="kw">impl</span><NI: Copy> u64x4<Avx2Machine<NI>> <span class="kw">for </span>u64x4_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u64x2_sse2<YesS3, YesS4, NI>: RotateEachWord64 + RotateEachWord32 + BSwap, + Avx2Machine<NI>: Machine, + u64x4_sse2<YesS3, YesS4, NI>: MultiLane<[u64; <span class="number">4</span>]> + Vec4<u64> + Words4, +{ +} +<span class="kw">impl</span><NI: Copy> u128x2<Avx2Machine<NI>> <span class="kw">for </span>u128x2_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u128x1_sse2<YesS3, YesS4, NI>: Swap64 + BSwap, + Avx2Machine<NI>: Machine, + u128x2_sse2<YesS3, YesS4, NI>: MultiLane<[<Avx2Machine<NI> <span class="kw">as </span>Machine>::u128x1; <span class="number">2</span>]>, + u128x2_sse2<YesS3, YesS4, NI>: Vec2<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u128x1>, + u128x2_sse2<YesS3, YesS4, NI>: Into<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u32x4x2>, + u128x2_sse2<YesS3, YesS4, NI>: Into<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x2x2>, + u128x2_sse2<YesS3, YesS4, NI>: Into<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x4>, +{ +} + +<span class="kw">impl</span><S3, S4, NI> Vec4<u64> <span class="kw">for </span>u64x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: Copy + Vec2<u64>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u64 { + <span class="kw">match </span>i { + <span class="number">0 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].extract(<span class="number">0</span>), + <span class="number">1 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].extract(<span class="number">1</span>), + <span class="number">2 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].extract(<span class="number">0</span>), + <span class="number">3 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].extract(<span class="number">1</span>), + <span class="kw">_ </span>=> <span class="macro">panic!</span>(), + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="kw-2">mut </span><span class="self">self</span>, w: u64, i: u32) -> <span class="self">Self </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>] = <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].insert(w, <span class="number">0</span>), + <span class="number">1 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>] = <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].insert(w, <span class="number">1</span>), + <span class="number">2 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>] = <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].insert(w, <span class="number">0</span>), + <span class="number">3 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>] = <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].insert(w, <span class="number">1</span>), + <span class="kw">_ </span>=> <span class="macro">panic!</span>(), + }; + <span class="self">self + </span>} +} + +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u32x4x4<Machine86<S3, S4, NI>> <span class="kw">for </span>u32x4x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u32x4_sse2<S3, S4, NI>: RotateEachWord32 + BSwap, + Machine86<S3, S4, NI>: Machine, + u32x4x4_sse2<S3, S4, NI>: MultiLane<[<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4; <span class="number">4</span>]>, + u32x4x4_sse2<S3, S4, NI>: Vec4<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4>, + u32x4x4_sse2<S3, S4, NI>: Vec4Ext<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4>, + u32x4x4_sse2<S3, S4, NI>: Vector<[u32; <span class="number">16</span>]>, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u64x2x4<Machine86<S3, S4, NI>> <span class="kw">for </span>u64x2x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: RotateEachWord64 + RotateEachWord32 + BSwap, + Machine86<S3, S4, NI>: Machine, + u64x2x4_sse2<S3, S4, NI>: MultiLane<[<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2; <span class="number">4</span>]>, + u64x2x4_sse2<S3, S4, NI>: Vec4<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2>, +{ +} +<span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> u128x4<Machine86<S3, S4, NI>> <span class="kw">for </span>u128x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u128x1_sse2<S3, S4, NI>: Swap64 + BSwap, + Machine86<S3, S4, NI>: Machine, + u128x4_sse2<S3, S4, NI>: MultiLane<[<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u128x1; <span class="number">4</span>]>, + u128x4_sse2<S3, S4, NI>: Vec4<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u128x1>, + u128x4_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u32x4x4>, + u128x4_sse2<S3, S4, NI>: Into<<Machine86<S3, S4, NI> <span class="kw">as </span>Machine>::u64x2x4>, +{ +} + +<span class="kw">impl</span><NI: Copy> u64x2x4<Avx2Machine<NI>> <span class="kw">for </span>u64x2x4_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u64x2_sse2<YesS3, YesS4, NI>: RotateEachWord64 + RotateEachWord32 + BSwap, + Avx2Machine<NI>: Machine, + u64x2x4_sse2<YesS3, YesS4, NI>: MultiLane<[<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x2; <span class="number">4</span>]>, + u64x2x4_sse2<YesS3, YesS4, NI>: Vec4<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x2>, +{ +} +<span class="kw">impl</span><NI: Copy> u128x4<Avx2Machine<NI>> <span class="kw">for </span>u128x4_sse2<YesS3, YesS4, NI> +<span class="kw">where + </span>u128x1_sse2<YesS3, YesS4, NI>: Swap64 + BSwap, + Avx2Machine<NI>: Machine, + u128x4_sse2<YesS3, YesS4, NI>: MultiLane<[<Avx2Machine<NI> <span class="kw">as </span>Machine>::u128x1; <span class="number">4</span>]>, + u128x4_sse2<YesS3, YesS4, NI>: Vec4<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u128x1>, + u128x4_sse2<YesS3, YesS4, NI>: Into<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u32x4x4>, + u128x4_sse2<YesS3, YesS4, NI>: Into<<Avx2Machine<NI> <span class="kw">as </span>Machine>::u64x2x4>, +{ +} + +<span class="macro">macro_rules! </span>impl_into_x { + (<span class="macro-nonterminal">$from</span>:ident, <span class="macro-nonterminal">$to</span>:ident) => { + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy, Gf, Gt> From<x2<<span class="macro-nonterminal">$from</span><S3, S4, NI>, Gf>> + <span class="kw">for </span>x2<<span class="macro-nonterminal">$to</span><S3, S4, NI>, Gt> + { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: x2<<span class="macro-nonterminal">$from</span><S3, S4, NI>, Gf>) -> <span class="self">Self </span>{ + x2::new([<span class="macro-nonterminal">$to::from</span>(x.<span class="number">0</span>[<span class="number">0</span>]), <span class="macro-nonterminal">$to::from</span>(x.<span class="number">0</span>[<span class="number">1</span>])]) + } + } + <span class="kw">impl</span><S3: Copy, S4: Copy, NI: Copy> From<x4<<span class="macro-nonterminal">$from</span><S3, S4, NI>>> <span class="kw">for </span>x4<<span class="macro-nonterminal">$to</span><S3, S4, NI>> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: x4<<span class="macro-nonterminal">$from</span><S3, S4, NI>>) -> <span class="self">Self </span>{ + x4::new([ + <span class="macro-nonterminal">$to::from</span>(x.<span class="number">0</span>[<span class="number">0</span>]), + <span class="macro-nonterminal">$to::from</span>(x.<span class="number">0</span>[<span class="number">1</span>]), + <span class="macro-nonterminal">$to::from</span>(x.<span class="number">0</span>[<span class="number">2</span>]), + <span class="macro-nonterminal">$to::from</span>(x.<span class="number">0</span>[<span class="number">3</span>]), + ]) + } + } + }; +} +<span class="macro">impl_into_x!</span>(u128x1_sse2, u64x2_sse2); +<span class="macro">impl_into_x!</span>(u128x1_sse2, u32x4_sse2); + +<span class="comment">///// Debugging + +</span><span class="kw">use </span>core::fmt::{Debug, Formatter, <span class="prelude-ty">Result</span>}; + +<span class="kw">impl</span><W: PartialEq, G> PartialEq <span class="kw">for </span>x2<W, G> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>] == rhs.<span class="number">0</span>[<span class="number">0</span>] && <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>] == rhs.<span class="number">0</span>[<span class="number">1</span>] + } +} + +<span class="attribute">#[allow(unused)] +#[inline(always)] +</span><span class="kw">unsafe fn </span>eq128_s4(x: __m128i, y: __m128i) -> bool { + <span class="kw">let </span>q = _mm_shuffle_epi32(_mm_cmpeq_epi64(x, y), <span class="number">0b1100_0110</span>); + _mm_cvtsi128_si64(q) == -<span class="number">1 +</span>} + +<span class="attribute">#[inline(always)] +</span><span class="kw">unsafe fn </span>eq128_s2(x: __m128i, y: __m128i) -> bool { + <span class="kw">let </span>q = _mm_cmpeq_epi32(x, y); + <span class="kw">let </span>p = _mm_cvtsi128_si64(_mm_srli_si128(q, <span class="number">8</span>)); + <span class="kw">let </span>q = _mm_cvtsi128_si64(q); + (p & q) == -<span class="number">1 +</span>} + +<span class="kw">impl</span><S3, S4, NI> PartialEq <span class="kw">for </span>u32x4_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="kw">unsafe </span>{ eq128_s2(<span class="self">self</span>.x, rhs.x) } + } +} +<span class="kw">impl</span><S3, S4, NI> Debug <span class="kw">for </span>u32x4_sse2<S3, S4, NI> +<span class="kw">where + </span><span class="self">Self</span>: Copy + MultiLane<[u32; <span class="number">4</span>]>, +{ + <span class="attribute">#[cold] + </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>Formatter) -> <span class="prelude-ty">Result </span>{ + fmt.write_fmt(<span class="macro">format_args!</span>(<span class="string">"{:08x?}"</span>, <span class="kw-2">&</span><span class="self">self</span>.to_lanes())) + } +} + +<span class="kw">impl</span><S3, S4, NI> PartialEq <span class="kw">for </span>u64x2_sse2<S3, S4, NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="kw">unsafe </span>{ eq128_s2(<span class="self">self</span>.x, rhs.x) } + } +} +<span class="kw">impl</span><S3, S4, NI> Debug <span class="kw">for </span>u64x2_sse2<S3, S4, NI> +<span class="kw">where + </span><span class="self">Self</span>: Copy + MultiLane<[u64; <span class="number">2</span>]>, +{ + <span class="attribute">#[cold] + </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>Formatter) -> <span class="prelude-ty">Result </span>{ + fmt.write_fmt(<span class="macro">format_args!</span>(<span class="string">"{:016x?}"</span>, <span class="kw-2">&</span><span class="self">self</span>.to_lanes())) + } +} + +<span class="kw">impl</span><S3, S4, NI> Debug <span class="kw">for </span>u64x4_sse2<S3, S4, NI> +<span class="kw">where + </span>u64x2_sse2<S3, S4, NI>: Copy + MultiLane<[u64; <span class="number">2</span>]>, +{ + <span class="attribute">#[cold] + </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>Formatter) -> <span class="prelude-ty">Result </span>{ + <span class="kw">let </span>(a, b) = (<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].to_lanes(), <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].to_lanes()); + fmt.write_fmt(<span class="macro">format_args!</span>(<span class="string">"{:016x?}"</span>, <span class="kw-2">&</span>[a[<span class="number">0</span>], a[<span class="number">1</span>], b[<span class="number">0</span>], b[<span class="number">1</span>]])) + } +} + +<span class="attribute">#[cfg(test)] +#[cfg(target_arch = <span class="string">"x86_64"</span>)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="kw">use </span><span class="kw">crate</span>::x86_64::{SSE2, SSE41, SSSE3}; + <span class="kw">use </span><span class="kw">crate</span>::Machine; + + <span class="attribute">#[test] + #[cfg_attr(not(target_feature = <span class="string">"ssse3"</span>), ignore)] + </span><span class="kw">fn </span>test_bswap32_s2_vs_s3() { + <span class="kw">let </span>xs = [<span class="number">0x0f0e_0d0c</span>, <span class="number">0x0b0a_0908</span>, <span class="number">0x0706_0504</span>, <span class="number">0x0302_0100</span>]; + <span class="kw">let </span>ys = [<span class="number">0x0c0d_0e0f</span>, <span class="number">0x0809_0a0b</span>, <span class="number">0x0405_0607</span>, <span class="number">0x0001_0203</span>]; + + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>s3 = <span class="kw">unsafe </span>{ SSSE3::instance() }; + + <span class="kw">let </span>x_s2 = { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u32x4 = s2.vec(xs); + x_s2.bswap() + }; + + <span class="kw">let </span>x_s3 = { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u32x4 = s3.vec(xs); + x_s3.bswap() + }; + + <span class="macro">assert_eq!</span>(x_s2, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + <span class="macro">assert_eq!</span>(x_s2, s2.vec(ys)); + } + + <span class="attribute">#[test] + #[cfg_attr(not(target_feature = <span class="string">"ssse3"</span>), ignore)] + </span><span class="kw">fn </span>test_bswap64_s2_vs_s3() { + <span class="kw">let </span>xs = [<span class="number">0x0f0e_0d0c_0b0a_0908</span>, <span class="number">0x0706_0504_0302_0100</span>]; + <span class="kw">let </span>ys = [<span class="number">0x0809_0a0b_0c0d_0e0f</span>, <span class="number">0x0001_0203_0405_0607</span>]; + + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>s3 = <span class="kw">unsafe </span>{ SSSE3::instance() }; + + <span class="kw">let </span>x_s2 = { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u64x2 = s2.vec(xs); + x_s2.bswap() + }; + + <span class="kw">let </span>x_s3 = { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u64x2 = s3.vec(xs); + x_s3.bswap() + }; + + <span class="macro">assert_eq!</span>(x_s2, s2.vec(ys)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + } + + <span class="attribute">#[test] + #[cfg_attr(not(target_feature = <span class="string">"ssse3"</span>), ignore)] + </span><span class="kw">fn </span>test_shuffle32_s2_vs_s3() { + <span class="kw">let </span>xs = [<span class="number">0x0</span>, <span class="number">0x1</span>, <span class="number">0x2</span>, <span class="number">0x3</span>]; + <span class="kw">let </span>ys = [<span class="number">0x2</span>, <span class="number">0x3</span>, <span class="number">0x0</span>, <span class="number">0x1</span>]; + <span class="kw">let </span>zs = [<span class="number">0x1</span>, <span class="number">0x2</span>, <span class="number">0x3</span>, <span class="number">0x0</span>]; + + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>s3 = <span class="kw">unsafe </span>{ SSSE3::instance() }; + + <span class="kw">let </span>x_s2 = { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u32x4 = s2.vec(xs); + x_s2.shuffle2301() + }; + <span class="kw">let </span>x_s3 = { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u32x4 = s3.vec(xs); + x_s3.shuffle2301() + }; + <span class="macro">assert_eq!</span>(x_s2, s2.vec(ys)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + + <span class="kw">let </span>x_s2 = { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u32x4 = s2.vec(xs); + x_s2.shuffle3012() + }; + <span class="kw">let </span>x_s3 = { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u32x4 = s3.vec(xs); + x_s3.shuffle3012() + }; + <span class="macro">assert_eq!</span>(x_s2, s2.vec(zs)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + + <span class="kw">let </span>x_s2 = x_s2.shuffle1230(); + <span class="kw">let </span>x_s3 = x_s3.shuffle1230(); + <span class="macro">assert_eq!</span>(x_s2, s2.vec(xs)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + } + + <span class="attribute">#[test] + #[cfg_attr(not(target_feature = <span class="string">"ssse3"</span>), ignore)] + </span><span class="kw">fn </span>test_shuffle64_s2_vs_s3() { + <span class="kw">let </span>xs = [<span class="number">0x0</span>, <span class="number">0x1</span>, <span class="number">0x2</span>, <span class="number">0x3</span>]; + <span class="kw">let </span>ys = [<span class="number">0x2</span>, <span class="number">0x3</span>, <span class="number">0x0</span>, <span class="number">0x1</span>]; + <span class="kw">let </span>zs = [<span class="number">0x1</span>, <span class="number">0x2</span>, <span class="number">0x3</span>, <span class="number">0x0</span>]; + + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>s3 = <span class="kw">unsafe </span>{ SSSE3::instance() }; + + <span class="kw">let </span>x_s2 = { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u64x4 = s2.vec(xs); + x_s2.shuffle2301() + }; + <span class="kw">let </span>x_s3 = { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u64x4 = s3.vec(xs); + x_s3.shuffle2301() + }; + <span class="macro">assert_eq!</span>(x_s2, s2.vec(ys)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + + <span class="kw">let </span>x_s2 = { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u64x4 = s2.vec(xs); + x_s2.shuffle3012() + }; + <span class="kw">let </span>x_s3 = { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u64x4 = s3.vec(xs); + x_s3.shuffle3012() + }; + <span class="macro">assert_eq!</span>(x_s2, s2.vec(zs)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + + <span class="kw">let </span>x_s2 = x_s2.shuffle1230(); + <span class="kw">let </span>x_s3 = x_s3.shuffle1230(); + <span class="macro">assert_eq!</span>(x_s2, s2.vec(xs)); + <span class="macro">assert_eq!</span>(x_s3, <span class="kw">unsafe </span>{ core::mem::transmute(x_s3) }); + } + + <span class="attribute">#[cfg_attr(not(all(target_feature = <span class="string">"ssse3"</span>, target_feature = <span class="string">"sse4.1"</span>)), ignore)] + #[test] + </span><span class="kw">fn </span>test_lanes_u32x4() { + <span class="kw">let </span>xs = [<span class="number">0x1</span>, <span class="number">0x2</span>, <span class="number">0x3</span>, <span class="number">0x4</span>]; + + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>s3 = <span class="kw">unsafe </span>{ SSSE3::instance() }; + <span class="kw">let </span>s4 = <span class="kw">unsafe </span>{ SSE41::instance() }; + + { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u32x4 = s2.vec(xs); + <span class="kw">let </span>y_s2 = <SSE2 <span class="kw">as </span>Machine>::u32x4::from_lanes(xs); + <span class="macro">assert_eq!</span>(x_s2, y_s2); + <span class="macro">assert_eq!</span>(xs, y_s2.to_lanes()); + } + + { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u32x4 = s3.vec(xs); + <span class="kw">let </span>y_s3 = <SSSE3 <span class="kw">as </span>Machine>::u32x4::from_lanes(xs); + <span class="macro">assert_eq!</span>(x_s3, y_s3); + <span class="macro">assert_eq!</span>(xs, y_s3.to_lanes()); + } + + { + <span class="kw">let </span>x_s4: <SSE41 <span class="kw">as </span>Machine>::u32x4 = s4.vec(xs); + <span class="kw">let </span>y_s4 = <SSE41 <span class="kw">as </span>Machine>::u32x4::from_lanes(xs); + <span class="macro">assert_eq!</span>(x_s4, y_s4); + <span class="macro">assert_eq!</span>(xs, y_s4.to_lanes()); + } + } + + <span class="attribute">#[test] + #[cfg_attr(not(all(target_feature = <span class="string">"ssse3"</span>, target_feature = <span class="string">"sse4.1"</span>)), ignore)] + </span><span class="kw">fn </span>test_lanes_u64x2() { + <span class="kw">let </span>xs = [<span class="number">0x1</span>, <span class="number">0x2</span>]; + + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>s3 = <span class="kw">unsafe </span>{ SSSE3::instance() }; + <span class="kw">let </span>s4 = <span class="kw">unsafe </span>{ SSE41::instance() }; + + { + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u64x2 = s2.vec(xs); + <span class="kw">let </span>y_s2 = <SSE2 <span class="kw">as </span>Machine>::u64x2::from_lanes(xs); + <span class="macro">assert_eq!</span>(x_s2, y_s2); + <span class="macro">assert_eq!</span>(xs, y_s2.to_lanes()); + } + + { + <span class="kw">let </span>x_s3: <SSSE3 <span class="kw">as </span>Machine>::u64x2 = s3.vec(xs); + <span class="kw">let </span>y_s3 = <SSSE3 <span class="kw">as </span>Machine>::u64x2::from_lanes(xs); + <span class="macro">assert_eq!</span>(x_s3, y_s3); + <span class="macro">assert_eq!</span>(xs, y_s3.to_lanes()); + } + + { + <span class="kw">let </span>x_s4: <SSE41 <span class="kw">as </span>Machine>::u64x2 = s4.vec(xs); + <span class="kw">let </span>y_s4 = <SSE41 <span class="kw">as </span>Machine>::u64x2::from_lanes(xs); + <span class="macro">assert_eq!</span>(x_s4, y_s4); + <span class="macro">assert_eq!</span>(xs, y_s4.to_lanes()); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_vec4_u32x4_s2() { + <span class="kw">let </span>xs = [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>]; + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u32x4 = s2.vec(xs); + <span class="macro">assert_eq!</span>(x_s2.extract(<span class="number">0</span>), <span class="number">1</span>); + <span class="macro">assert_eq!</span>(x_s2.extract(<span class="number">1</span>), <span class="number">2</span>); + <span class="macro">assert_eq!</span>(x_s2.extract(<span class="number">2</span>), <span class="number">3</span>); + <span class="macro">assert_eq!</span>(x_s2.extract(<span class="number">3</span>), <span class="number">4</span>); + <span class="macro">assert_eq!</span>(x_s2.insert(<span class="number">0xf</span>, <span class="number">0</span>), s2.vec([<span class="number">0xf</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>])); + <span class="macro">assert_eq!</span>(x_s2.insert(<span class="number">0xf</span>, <span class="number">1</span>), s2.vec([<span class="number">1</span>, <span class="number">0xf</span>, <span class="number">3</span>, <span class="number">4</span>])); + <span class="macro">assert_eq!</span>(x_s2.insert(<span class="number">0xf</span>, <span class="number">2</span>), s2.vec([<span class="number">1</span>, <span class="number">2</span>, <span class="number">0xf</span>, <span class="number">4</span>])); + <span class="macro">assert_eq!</span>(x_s2.insert(<span class="number">0xf</span>, <span class="number">3</span>), s2.vec([<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0xf</span>])); + } + + <span class="attribute">#[test] + #[cfg_attr(not(all(target_feature = <span class="string">"ssse3"</span>, target_feature = <span class="string">"sse4.1"</span>)), ignore)] + </span><span class="kw">fn </span>test_vec4_u32x4_s4() { + <span class="kw">let </span>xs = [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>]; + <span class="kw">let </span>s4 = <span class="kw">unsafe </span>{ SSE41::instance() }; + <span class="kw">let </span>x_s4: <SSE41 <span class="kw">as </span>Machine>::u32x4 = s4.vec(xs); + <span class="macro">assert_eq!</span>(x_s4.extract(<span class="number">0</span>), <span class="number">1</span>); + <span class="macro">assert_eq!</span>(x_s4.extract(<span class="number">1</span>), <span class="number">2</span>); + <span class="macro">assert_eq!</span>(x_s4.extract(<span class="number">2</span>), <span class="number">3</span>); + <span class="macro">assert_eq!</span>(x_s4.extract(<span class="number">3</span>), <span class="number">4</span>); + <span class="macro">assert_eq!</span>(x_s4.insert(<span class="number">0xf</span>, <span class="number">0</span>), s4.vec([<span class="number">0xf</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>])); + <span class="macro">assert_eq!</span>(x_s4.insert(<span class="number">0xf</span>, <span class="number">1</span>), s4.vec([<span class="number">1</span>, <span class="number">0xf</span>, <span class="number">3</span>, <span class="number">4</span>])); + <span class="macro">assert_eq!</span>(x_s4.insert(<span class="number">0xf</span>, <span class="number">2</span>), s4.vec([<span class="number">1</span>, <span class="number">2</span>, <span class="number">0xf</span>, <span class="number">4</span>])); + <span class="macro">assert_eq!</span>(x_s4.insert(<span class="number">0xf</span>, <span class="number">3</span>), s4.vec([<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0xf</span>])); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_vec2_u64x2_s2() { + <span class="kw">let </span>xs = [<span class="number">0x1</span>, <span class="number">0x2</span>]; + <span class="kw">let </span>s2 = <span class="kw">unsafe </span>{ SSE2::instance() }; + <span class="kw">let </span>x_s2: <SSE2 <span class="kw">as </span>Machine>::u64x2 = s2.vec(xs); + <span class="macro">assert_eq!</span>(x_s2.extract(<span class="number">0</span>), <span class="number">1</span>); + <span class="macro">assert_eq!</span>(x_s2.extract(<span class="number">1</span>), <span class="number">2</span>); + <span class="macro">assert_eq!</span>(x_s2.insert(<span class="number">0xf</span>, <span class="number">0</span>), s2.vec([<span class="number">0xf</span>, <span class="number">2</span>])); + <span class="macro">assert_eq!</span>(x_s2.insert(<span class="number">0xf</span>, <span class="number">1</span>), s2.vec([<span class="number">1</span>, <span class="number">0xf</span>])); + } + + <span class="attribute">#[test] + #[cfg_attr(not(all(target_feature = <span class="string">"ssse3"</span>, target_feature = <span class="string">"sse4.1"</span>)), ignore)] + </span><span class="kw">fn </span>test_vec4_u64x2_s4() { + <span class="kw">let </span>xs = [<span class="number">0x1</span>, <span class="number">0x2</span>]; + <span class="kw">let </span>s4 = <span class="kw">unsafe </span>{ SSE41::instance() }; + <span class="kw">let </span>x_s4: <SSE41 <span class="kw">as </span>Machine>::u64x2 = s4.vec(xs); + <span class="macro">assert_eq!</span>(x_s4.extract(<span class="number">0</span>), <span class="number">1</span>); + <span class="macro">assert_eq!</span>(x_s4.extract(<span class="number">1</span>), <span class="number">2</span>); + <span class="macro">assert_eq!</span>(x_s4.insert(<span class="number">0xf</span>, <span class="number">0</span>), s4.vec([<span class="number">0xf</span>, <span class="number">2</span>])); + <span class="macro">assert_eq!</span>(x_s4.insert(<span class="number">0xf</span>, <span class="number">1</span>), s4.vec([<span class="number">1</span>, <span class="number">0xf</span>])); + } +} + +<span class="kw">pub mod </span>avx2 { + <span class="attribute">#![allow(non_camel_case_types)] + </span><span class="kw">use </span><span class="kw">crate</span>::soft::{x2, x4}; + <span class="kw">use </span><span class="kw">crate</span>::types::<span class="kw-2">*</span>; + <span class="kw">use </span><span class="kw">crate</span>::x86_64::sse2::{u128x1_sse2, u32x4_sse2, G0}; + <span class="kw">use </span><span class="kw">crate</span>::x86_64::{vec256_storage, vec512_storage, Avx2Machine, YesS3, YesS4}; + <span class="kw">use </span>core::arch::x86_64::<span class="kw-2">*</span>; + <span class="kw">use </span>core::marker::PhantomData; + <span class="kw">use </span>core::ops::<span class="kw-2">*</span>; + + <span class="attribute">#[derive(Copy, Clone)] + </span><span class="kw">pub struct </span>u32x4x2_avx2<NI> { + x: __m256i, + ni: PhantomData<NI>, + } + + <span class="kw">impl</span><NI> u32x4x2_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>new(x: __m256i) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ x, ni: PhantomData } + } + } + + <span class="kw">impl</span><NI> u32x4x2<Avx2Machine<NI>> <span class="kw">for </span>u32x4x2_avx2<NI> <span class="kw">where </span>NI: Copy {} + <span class="kw">impl</span><NI> Store<vec256_storage> <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unpack(p: vec256_storage) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(p.avx) + } + } + <span class="kw">impl</span><NI> StoreBytes <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_le(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="macro">assert_eq!</span>(input.len(), <span class="number">32</span>); + <span class="self">Self</span>::new(_mm256_loadu_si256(input.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_</span>)) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unsafe_read_be(input: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + <span class="self">Self</span>::unsafe_read_le(input).bswap() + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_le(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">unsafe </span>{ + <span class="macro">assert_eq!</span>(out.len(), <span class="number">32</span>); + _mm256_storeu_si256(out.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>, <span class="self">self</span>.x) + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>write_be(<span class="self">self</span>, out: <span class="kw-2">&mut </span>[u8]) { + <span class="self">self</span>.bswap().write_le(out) + } + } + <span class="kw">impl</span><NI> MultiLane<[u32x4_sse2<YesS3, YesS4, NI>; <span class="number">2</span>]> <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u32x4_sse2<YesS3, YesS4, NI>; <span class="number">2</span>] { + <span class="kw">unsafe </span>{ + [ + u32x4_sse2::new(_mm256_extracti128_si256(<span class="self">self</span>.x, <span class="number">0</span>)), + u32x4_sse2::new(_mm256_extracti128_si256(<span class="self">self</span>.x, <span class="number">1</span>)), + ] + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(x: [u32x4_sse2<YesS3, YesS4, NI>; <span class="number">2</span>]) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm256_setr_m128i(x[<span class="number">0</span>].x, x[<span class="number">1</span>].x) }) + } + } + <span class="kw">impl</span><NI> Vec2<u32x4_sse2<YesS3, YesS4, NI>> <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u32x4_sse2<YesS3, YesS4, NI> { + <span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> u32x4_sse2::new(_mm256_extracti128_si256(<span class="self">self</span>.x, <span class="number">0</span>)), + <span class="number">1 </span>=> u32x4_sse2::new(_mm256_extracti128_si256(<span class="self">self</span>.x, <span class="number">1</span>)), + <span class="kw">_ </span>=> <span class="macro">panic!</span>(), + } + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="self">self</span>, w: u32x4_sse2<YesS3, YesS4, NI>, i: u32) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + <span class="kw">match </span>i { + <span class="number">0 </span>=> _mm256_inserti128_si256(<span class="self">self</span>.x, w.x, <span class="number">0</span>), + <span class="number">1 </span>=> _mm256_inserti128_si256(<span class="self">self</span>.x, w.x, <span class="number">1</span>), + <span class="kw">_ </span>=> <span class="macro">panic!</span>(), + } + }) + } + } + <span class="kw">impl</span><NI> BitOps32 <span class="kw">for </span>u32x4x2_avx2<NI> <span class="kw">where </span>NI: Copy {} + <span class="kw">impl</span><NI> ArithOps <span class="kw">for </span>u32x4x2_avx2<NI> <span class="kw">where </span>NI: Copy {} + <span class="macro">macro_rules! </span>shuf_lane_bytes { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$k0</span>:expr, <span class="macro-nonterminal">$k1</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + _mm256_shuffle_epi8(<span class="self">self</span>.x, _mm256_set_epi64x(<span class="macro-nonterminal">$k0</span>, <span class="macro-nonterminal">$k1</span>, <span class="macro-nonterminal">$k0</span>, <span class="macro-nonterminal">$k1</span>)) + }) + } + }; + } + <span class="macro">macro_rules! </span>rotr_32 { + (<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$i</span>:expr) => { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$name</span>(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + _mm256_or_si256( + _mm256_srli_epi32(<span class="self">self</span>.x, <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + _mm256_slli_epi32(<span class="self">self</span>.x, <span class="number">32 </span>- <span class="macro-nonterminal">$i </span><span class="kw">as </span>i32), + ) + }) + } + }; + } + <span class="kw">impl</span><NI: Copy> RotateEachWord32 <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="macro">rotr_32!</span>(rotate_each_word_right7, <span class="number">7</span>); + <span class="macro">shuf_lane_bytes!</span>( + rotate_each_word_right8, + <span class="number">0x0c0f_0e0d_080b_0a09</span>, + <span class="number">0x0407_0605_0003_0201 + </span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right11, <span class="number">11</span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right12, <span class="number">12</span>); + <span class="macro">shuf_lane_bytes!</span>( + rotate_each_word_right16, + <span class="number">0x0d0c_0f0e_0908_0b0a</span>, + <span class="number">0x0504_0706_0100_0302 + </span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right20, <span class="number">20</span>); + <span class="macro">shuf_lane_bytes!</span>( + rotate_each_word_right24, + <span class="number">0x0e0d_0c0f_0a09_080b</span>, + <span class="number">0x0605_0407_0201_0003 + </span>); + <span class="macro">rotr_32!</span>(rotate_each_word_right25, <span class="number">25</span>); + } + <span class="kw">impl</span><NI> BitOps0 <span class="kw">for </span>u32x4x2_avx2<NI> <span class="kw">where </span>NI: Copy {} + <span class="kw">impl</span><NI> From<u32x4x2_avx2<NI>> <span class="kw">for </span>vec256_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: u32x4x2_avx2<NI>) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ avx: x.x } + } + } + + <span class="macro">macro_rules! </span>impl_assign { + (<span class="macro-nonterminal">$vec</span>:ident, <span class="macro-nonterminal">$Assign</span>:ident, <span class="macro-nonterminal">$assign_fn</span>:ident, <span class="macro-nonterminal">$bin_fn</span>:ident) => { + <span class="kw">impl</span><NI> <span class="macro-nonterminal">$Assign </span><span class="kw">for </span><span class="macro-nonterminal">$vec</span><NI> + <span class="kw">where + </span>NI: Copy, + { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$assign_fn</span>(<span class="kw-2">&mut </span><span class="self">self</span>, rhs: <span class="self">Self</span>) { + <span class="kw-2">*</span><span class="self">self </span>= <span class="self">self</span>.<span class="macro-nonterminal">$bin_fn</span>(rhs); + } + } + }; + } + <span class="macro">impl_assign!</span>(u32x4x2_avx2, BitXorAssign, bitxor_assign, bitxor); + <span class="macro">impl_assign!</span>(u32x4x2_avx2, BitOrAssign, bitor_assign, bitor); + <span class="macro">impl_assign!</span>(u32x4x2_avx2, BitAndAssign, bitand_assign, bitand); + <span class="macro">impl_assign!</span>(u32x4x2_avx2, AddAssign, add_assign, add); + + <span class="macro">macro_rules! </span>impl_bitop { + (<span class="macro-nonterminal">$vec</span>:ident, <span class="macro-nonterminal">$Op</span>:ident, <span class="macro-nonterminal">$op_fn</span>:ident, <span class="macro-nonterminal">$impl_fn</span>:ident) => { + <span class="kw">impl</span><NI> <span class="macro-nonterminal">$Op </span><span class="kw">for </span><span class="macro-nonterminal">$vec</span><NI> { + <span class="kw">type </span>Output = <span class="self">Self</span>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span><span class="macro-nonterminal">$op_fn</span>(<span class="self">self</span>, rhs: <span class="self">Self</span>) -> <span class="self">Self</span>::Output { + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ <span class="macro-nonterminal">$impl_fn</span>(<span class="self">self</span>.x, rhs.x) }) + } + } + }; + } + <span class="macro">impl_bitop!</span>(u32x4x2_avx2, BitXor, bitxor, _mm256_xor_si256); + <span class="macro">impl_bitop!</span>(u32x4x2_avx2, BitOr, bitor, _mm256_or_si256); + <span class="macro">impl_bitop!</span>(u32x4x2_avx2, BitAnd, bitand, _mm256_and_si256); + <span class="macro">impl_bitop!</span>(u32x4x2_avx2, AndNot, andnot, _mm256_andnot_si256); + <span class="macro">impl_bitop!</span>(u32x4x2_avx2, Add, add, _mm256_add_epi32); + + <span class="kw">impl</span><NI> Not <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="kw">type </span>Output = <span class="self">Self</span>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>not(<span class="self">self</span>) -> <span class="self">Self</span>::Output { + <span class="kw">unsafe </span>{ + <span class="kw">let </span>f = _mm256_set1_epi8(-<span class="number">0x7f</span>); + <span class="self">Self</span>::new(f) ^ <span class="self">self + </span>} + } + } + + <span class="kw">impl</span><NI> BSwap <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="macro">shuf_lane_bytes!</span>(bswap, <span class="number">0x0c0d_0e0f_0809_0a0b</span>, <span class="number">0x0405_0607_0001_0203</span>); + } + + <span class="kw">impl</span><NI> From<x2<u128x1_sse2<YesS3, YesS4, NI>, G0>> <span class="kw">for </span>u32x4x2_avx2<NI> + <span class="kw">where + </span>NI: Copy, + { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: x2<u128x1_sse2<YesS3, YesS4, NI>, G0>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm256_setr_m128i(x.<span class="number">0</span>[<span class="number">0</span>].x, x.<span class="number">0</span>[<span class="number">1</span>].x) }) + } + } + + <span class="kw">impl</span><NI> LaneWords4 <span class="kw">for </span>u32x4x2_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words1230(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm256_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b1001_0011</span>) }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words2301(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm256_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0100_1110</span>) }) + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>shuffle_lane_words3012(<span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ _mm256_shuffle_epi32(<span class="self">self</span>.x, <span class="number">0b0011_1001</span>) }) + } + } + + <span class="comment">/////////////////////////////////////////////////////////////////////////////////////////// + + </span><span class="kw">pub type </span>u32x4x4_avx2<NI> = x2<u32x4x2_avx2<NI>, G0>; + <span class="kw">impl</span><NI: Copy> u32x4x4<Avx2Machine<NI>> <span class="kw">for </span>u32x4x4_avx2<NI> {} + + <span class="kw">impl</span><NI: Copy> Store<vec512_storage> <span class="kw">for </span>u32x4x4_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">unsafe fn </span>unpack(p: vec512_storage) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new([ + u32x4x2_avx2::unpack(p.avx[<span class="number">0</span>]), + u32x4x2_avx2::unpack(p.avx[<span class="number">1</span>]), + ]) + } + } + <span class="kw">impl</span><NI: Copy> MultiLane<[u32x4_sse2<YesS3, YesS4, NI>; <span class="number">4</span>]> <span class="kw">for </span>u32x4x4_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_lanes(<span class="self">self</span>) -> [u32x4_sse2<YesS3, YesS4, NI>; <span class="number">4</span>] { + <span class="kw">let </span>[a, b] = <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].to_lanes(); + <span class="kw">let </span>[c, d] = <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].to_lanes(); + [a, b, c, d] + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_lanes(x: [u32x4_sse2<YesS3, YesS4, NI>; <span class="number">4</span>]) -> <span class="self">Self </span>{ + <span class="kw">let </span>ab = u32x4x2_avx2::from_lanes([x[<span class="number">0</span>], x[<span class="number">1</span>]]); + <span class="kw">let </span>cd = u32x4x2_avx2::from_lanes([x[<span class="number">2</span>], x[<span class="number">3</span>]]); + <span class="self">Self</span>::new([ab, cd]) + } + } + <span class="kw">impl</span><NI: Copy> Vec4<u32x4_sse2<YesS3, YesS4, NI>> <span class="kw">for </span>u32x4x4_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, i: u32) -> u32x4_sse2<YesS3, YesS4, NI> { + <span class="kw">match </span>i { + <span class="number">0 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].extract(<span class="number">0</span>), + <span class="number">1 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].extract(<span class="number">1</span>), + <span class="number">2 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].extract(<span class="number">0</span>), + <span class="number">3 </span>=> <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].extract(<span class="number">1</span>), + <span class="kw">_ </span>=> <span class="macro">panic!</span>(), + } + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>insert(<span class="self">self</span>, w: u32x4_sse2<YesS3, YesS4, NI>, i: u32) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">match </span>i { + <span class="number">0 </span>| <span class="number">1 </span>=> [<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>].insert(w, i), <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>]], + <span class="number">2 </span>| <span class="number">3 </span>=> [<span class="self">self</span>.<span class="number">0</span>[<span class="number">0</span>], <span class="self">self</span>.<span class="number">0</span>[<span class="number">1</span>].insert(w, i - <span class="number">2</span>)], + <span class="kw">_ </span>=> <span class="macro">panic!</span>(), + }) + } + } + <span class="kw">impl</span><NI: Copy> Vec4Ext<u32x4_sse2<YesS3, YesS4, NI>> <span class="kw">for </span>u32x4x4_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>transpose4(a: <span class="self">Self</span>, b: <span class="self">Self</span>, c: <span class="self">Self</span>, d: <span class="self">Self</span>) -> (<span class="self">Self</span>, <span class="self">Self</span>, <span class="self">Self</span>, <span class="self">Self</span>) { + <span class="comment">/* + * a00:a01 a10:a11 + * b00:b01 b10:b11 + * c00:c01 c10:c11 + * d00:d01 d10:d11 + * => + * a00:b00 c00:d00 + * a01:b01 c01:d01 + * a10:b10 c10:d10 + * a11:b11 c11:d11 + */ + </span><span class="kw">unsafe </span>{ + <span class="kw">let </span>ab00 = u32x4x2_avx2::new(_mm256_permute2x128_si256(a.<span class="number">0</span>[<span class="number">0</span>].x, b.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">0x20</span>)); + <span class="kw">let </span>ab01 = u32x4x2_avx2::new(_mm256_permute2x128_si256(a.<span class="number">0</span>[<span class="number">0</span>].x, b.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">0x31</span>)); + <span class="kw">let </span>ab10 = u32x4x2_avx2::new(_mm256_permute2x128_si256(a.<span class="number">0</span>[<span class="number">1</span>].x, b.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">0x20</span>)); + <span class="kw">let </span>ab11 = u32x4x2_avx2::new(_mm256_permute2x128_si256(a.<span class="number">0</span>[<span class="number">1</span>].x, b.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">0x31</span>)); + <span class="kw">let </span>cd00 = u32x4x2_avx2::new(_mm256_permute2x128_si256(c.<span class="number">0</span>[<span class="number">0</span>].x, d.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">0x20</span>)); + <span class="kw">let </span>cd01 = u32x4x2_avx2::new(_mm256_permute2x128_si256(c.<span class="number">0</span>[<span class="number">0</span>].x, d.<span class="number">0</span>[<span class="number">0</span>].x, <span class="number">0x31</span>)); + <span class="kw">let </span>cd10 = u32x4x2_avx2::new(_mm256_permute2x128_si256(c.<span class="number">0</span>[<span class="number">1</span>].x, d.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">0x20</span>)); + <span class="kw">let </span>cd11 = u32x4x2_avx2::new(_mm256_permute2x128_si256(c.<span class="number">0</span>[<span class="number">1</span>].x, d.<span class="number">0</span>[<span class="number">1</span>].x, <span class="number">0x31</span>)); + ( + <span class="self">Self</span>::new([ab00, cd00]), + <span class="self">Self</span>::new([ab01, cd01]), + <span class="self">Self</span>::new([ab10, cd10]), + <span class="self">Self</span>::new([ab11, cd11]), + ) + } + } + } + <span class="kw">impl</span><NI: Copy> Vector<[u32; <span class="number">16</span>]> <span class="kw">for </span>u32x4x4_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>to_scalars(<span class="self">self</span>) -> [u32; <span class="number">16</span>] { + <span class="kw">unsafe </span>{ core::mem::transmute(<span class="self">self</span>) } + } + } + <span class="kw">impl</span><NI: Copy> From<u32x4x4_avx2<NI>> <span class="kw">for </span>vec512_storage { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: u32x4x4_avx2<NI>) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ + avx: [ + vec256_storage { avx: x.<span class="number">0</span>[<span class="number">0</span>].x }, + vec256_storage { avx: x.<span class="number">0</span>[<span class="number">1</span>].x }, + ], + } + } + } + <span class="kw">impl</span><NI: Copy> From<x4<u128x1_sse2<YesS3, YesS4, NI>>> <span class="kw">for </span>u32x4x4_avx2<NI> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from(x: x4<u128x1_sse2<YesS3, YesS4, NI>>) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(<span class="kw">unsafe </span>{ + [ + u32x4x2_avx2::new(_mm256_setr_m128i(x.<span class="number">0</span>[<span class="number">0</span>].x, x.<span class="number">0</span>[<span class="number">1</span>].x)), + u32x4x2_avx2::new(_mm256_setr_m128i(x.<span class="number">0</span>[<span class="number">2</span>].x, x.<span class="number">0</span>[<span class="number">3</span>].x)), + ] + }) + } + } +} +</code></pre></div> +</section></div></main><div 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The Bernoulli distribution. + +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::Distribution; +<span class="kw">use </span><span class="kw">crate</span>::Rng; +<span class="kw">use </span>core::{fmt, u64}; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; +<span class="doccomment">/// The Bernoulli distribution. +/// +/// This is a special case of the Binomial distribution where `n = 1`. +/// +/// # Example +/// +/// ```rust +/// use rand::distributions::{Bernoulli, Distribution}; +/// +/// let d = Bernoulli::new(0.3).unwrap(); +/// let v = d.sample(&mut rand::thread_rng()); +/// println!("{} is from a Bernoulli distribution", v); +/// ``` +/// +/// # Precision +/// +/// This `Bernoulli` distribution uses 64 bits from the RNG (a `u64`), +/// so only probabilities that are multiples of 2<sup>-64</sup> can be +/// represented. +</span><span class="attribute">#[derive(Clone, Copy, Debug, PartialEq)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>Bernoulli { + <span class="doccomment">/// Probability of success, relative to the maximal integer. + </span>p_int: u64, +} + +<span class="comment">// To sample from the Bernoulli distribution we use a method that compares a +// random `u64` value `v < (p * 2^64)`. +// +// If `p == 1.0`, the integer `v` to compare against can not represented as a +// `u64`. We manually set it to `u64::MAX` instead (2^64 - 1 instead of 2^64). +// Note that value of `p < 1.0` can never result in `u64::MAX`, because an +// `f64` only has 53 bits of precision, and the next largest value of `p` will +// result in `2^64 - 2048`. +// +// Also there is a 100% theoretical concern: if someone consistently wants to +// generate `true` using the Bernoulli distribution (i.e. by using a probability +// of `1.0`), just using `u64::MAX` is not enough. On average it would return +// false once every 2^64 iterations. Some people apparently care about this +// case. +// +// That is why we special-case `u64::MAX` to always return `true`, without using +// the RNG, and pay the performance price for all uses that *are* reasonable. +// Luckily, if `new()` and `sample` are close, the compiler can optimize out the +// extra check. +</span><span class="kw">const </span>ALWAYS_TRUE: u64 = u64::MAX; + +<span class="comment">// This is just `2.0.powi(64)`, but written this way because it is not available +// in `no_std` mode. +</span><span class="kw">const </span>SCALE: f64 = <span class="number">2.0 </span>* (<span class="number">1u64 </span><< <span class="number">63</span>) <span class="kw">as </span>f64; + +<span class="doccomment">/// Error type returned from `Bernoulli::new`. +</span><span class="attribute">#[derive(Clone, Copy, Debug, PartialEq, Eq)] +</span><span class="kw">pub enum </span>BernoulliError { + <span class="doccomment">/// `p < 0` or `p > 1`. + </span>InvalidProbability, +} + +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>BernoulliError { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { + f.write_str(<span class="kw">match </span><span class="self">self </span>{ + BernoulliError::InvalidProbability => <span class="string">"p is outside [0, 1] in Bernoulli distribution"</span>, + }) + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>::std::error::Error <span class="kw">for </span>BernoulliError {} + +<span class="kw">impl </span>Bernoulli { + <span class="doccomment">/// Construct a new `Bernoulli` with the given probability of success `p`. + /// + /// # Precision + /// + /// For `p = 1.0`, the resulting distribution will always generate true. + /// For `p = 0.0`, the resulting distribution will always generate false. + /// + /// This method is accurate for any input `p` in the range `[0, 1]` which is + /// a multiple of 2<sup>-64</sup>. (Note that not all multiples of + /// 2<sup>-64</sup> in `[0, 1]` can be represented as a `f64`.) + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>new(p: f64) -> <span class="prelude-ty">Result</span><Bernoulli, BernoulliError> { + <span class="kw">if </span>!(<span class="number">0.0</span>..<span class="number">1.0</span>).contains(<span class="kw-2">&</span>p) { + <span class="kw">if </span>p == <span class="number">1.0 </span>{ + <span class="kw">return </span><span class="prelude-val">Ok</span>(Bernoulli { p_int: ALWAYS_TRUE }); + } + <span class="kw">return </span><span class="prelude-val">Err</span>(BernoulliError::InvalidProbability); + } + <span class="prelude-val">Ok</span>(Bernoulli { + p_int: (p * SCALE) <span class="kw">as </span>u64, + }) + } + + <span class="doccomment">/// Construct a new `Bernoulli` with the probability of success of + /// `numerator`-in-`denominator`. I.e. `new_ratio(2, 3)` will return + /// a `Bernoulli` with a 2-in-3 chance, or about 67%, of returning `true`. + /// + /// return `true`. If `numerator == 0` it will always return `false`. + /// For `numerator > denominator` and `denominator == 0`, this returns an + /// error. Otherwise, for `numerator == denominator`, samples are always + /// true; for `numerator == 0` samples are always false. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>from_ratio(numerator: u32, denominator: u32) -> <span class="prelude-ty">Result</span><Bernoulli, BernoulliError> { + <span class="kw">if </span>numerator > denominator || denominator == <span class="number">0 </span>{ + <span class="kw">return </span><span class="prelude-val">Err</span>(BernoulliError::InvalidProbability); + } + <span class="kw">if </span>numerator == denominator { + <span class="kw">return </span><span class="prelude-val">Ok</span>(Bernoulli { p_int: ALWAYS_TRUE }); + } + <span class="kw">let </span>p_int = ((f64::from(numerator) / f64::from(denominator)) * SCALE) <span class="kw">as </span>u64; + <span class="prelude-val">Ok</span>(Bernoulli { p_int }) + } +} + +<span class="kw">impl </span>Distribution<bool> <span class="kw">for </span>Bernoulli { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> bool { + <span class="comment">// Make sure to always return true for p = 1.0. + </span><span class="kw">if </span><span class="self">self</span>.p_int == ALWAYS_TRUE { + <span class="kw">return </span><span class="bool-val">true</span>; + } + <span class="kw">let </span>v: u64 = rng.gen(); + v < <span class="self">self</span>.p_int + } +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use </span><span class="kw">super</span>::Bernoulli; + <span class="kw">use </span><span class="kw">crate</span>::distributions::Distribution; + <span class="kw">use </span><span class="kw">crate</span>::Rng; + + <span class="attribute">#[test] + #[cfg(feature=<span class="string">"serde1"</span>)] + </span><span class="kw">fn </span>test_serializing_deserializing_bernoulli() { + <span class="kw">let </span>coin_flip = Bernoulli::new(<span class="number">0.5</span>).unwrap(); + <span class="kw">let </span>de_coin_flip : Bernoulli = bincode::deserialize(<span class="kw-2">&</span>bincode::serialize(<span class="kw-2">&</span>coin_flip).unwrap()).unwrap(); + + <span class="macro">assert_eq!</span>(coin_flip.p_int, de_coin_flip.p_int); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_trivial() { + <span class="comment">// We prefer to be explicit here. + </span><span class="attribute">#![allow(clippy::bool_assert_comparison)] + + </span><span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">1</span>); + <span class="kw">let </span>always_false = Bernoulli::new(<span class="number">0.0</span>).unwrap(); + <span class="kw">let </span>always_true = Bernoulli::new(<span class="number">1.0</span>).unwrap(); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">5 </span>{ + <span class="macro">assert_eq!</span>(r.sample::<bool, <span class="kw">_</span>>(<span class="kw-2">&</span>always_false), <span class="bool-val">false</span>); + <span class="macro">assert_eq!</span>(r.sample::<bool, <span class="kw">_</span>>(<span class="kw-2">&</span>always_true), <span class="bool-val">true</span>); + <span class="macro">assert_eq!</span>(Distribution::<bool>::sample(<span class="kw-2">&</span>always_false, <span class="kw-2">&mut </span>r), <span class="bool-val">false</span>); + <span class="macro">assert_eq!</span>(Distribution::<bool>::sample(<span class="kw-2">&</span>always_true, <span class="kw-2">&mut </span>r), <span class="bool-val">true</span>); + } + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_average() { + <span class="kw">const </span>P: f64 = <span class="number">0.3</span>; + <span class="kw">const </span>NUM: u32 = <span class="number">3</span>; + <span class="kw">const </span>DENOM: u32 = <span class="number">10</span>; + <span class="kw">let </span>d1 = Bernoulli::new(P).unwrap(); + <span class="kw">let </span>d2 = Bernoulli::from_ratio(NUM, DENOM).unwrap(); + <span class="kw">const </span>N: u32 = <span class="number">100_000</span>; + + <span class="kw">let </span><span class="kw-2">mut </span>sum1: u32 = <span class="number">0</span>; + <span class="kw">let </span><span class="kw-2">mut </span>sum2: u32 = <span class="number">0</span>; + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">2</span>); + <span class="kw">for _ in </span><span class="number">0</span>..N { + <span class="kw">if </span>d1.sample(<span class="kw-2">&mut </span>rng) { + sum1 += <span class="number">1</span>; + } + <span class="kw">if </span>d2.sample(<span class="kw-2">&mut </span>rng) { + sum2 += <span class="number">1</span>; + } + } + <span class="kw">let </span>avg1 = (sum1 <span class="kw">as </span>f64) / (N <span class="kw">as </span>f64); + <span class="macro">assert!</span>((avg1 - P).abs() < <span class="number">5e-3</span>); + + <span class="kw">let </span>avg2 = (sum2 <span class="kw">as </span>f64) / (N <span class="kw">as </span>f64); + <span class="macro">assert!</span>((avg2 - (NUM <span class="kw">as </span>f64) / (DENOM <span class="kw">as </span>f64)).abs() < <span class="number">5e-3</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">3</span>); + <span class="kw">let </span>distr = Bernoulli::new(<span class="number">0.4532</span>).unwrap(); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="bool-val">false</span>; <span class="number">10</span>]; + <span class="kw">for </span>x <span class="kw">in </span><span class="kw-2">&mut </span>buf { + <span class="kw-2">*</span>x = rng.sample(<span class="kw-2">&</span>distr); + } + <span class="macro">assert_eq!</span>(buf, [ + <span class="bool-val">true</span>, <span class="bool-val">false</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>, <span class="bool-val">false</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>, <span class="bool-val">true</span>, <span class="bool-val">true</span>, <span class="bool-val">true + </span>]); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>bernoulli_distributions_can_be_compared() { + <span class="macro">assert_eq!</span>(Bernoulli::new(<span class="number">1.0</span>), Bernoulli::new(<span class="number">1.0</span>)); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/distribution.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/distribution.rs.html new file mode 100644 index 0000000..afc8925 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/distribution.rs.html @@ -0,0 +1,547 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/distribution.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>distribution.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin 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href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> 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+<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// Copyright 2013-2017 The Rust Project Developers. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Distribution trait and associates + +</span><span class="kw">use </span><span class="kw">crate</span>::Rng; +<span class="kw">use </span>core::iter; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">use </span>alloc::string::String; + +<span class="doccomment">/// Types (distributions) that can be used to create a random instance of `T`. +/// +/// It is possible to sample from a distribution through both the +/// `Distribution` and [`Rng`] traits, via `distr.sample(&mut rng)` and +/// `rng.sample(distr)`. They also both offer the [`sample_iter`] method, which +/// produces an iterator that samples from the distribution. +/// +/// All implementations are expected to be immutable; this has the significant +/// advantage of not needing to consider thread safety, and for most +/// distributions efficient state-less sampling algorithms are available. +/// +/// Implementations are typically expected to be portable with reproducible +/// results when used with a PRNG with fixed seed; see the +/// [portability chapter](https://rust-random.github.io/book/portability.html) +/// of The Rust Rand Book. In some cases this does not apply, e.g. the `usize` +/// type requires different sampling on 32-bit and 64-bit machines. +/// +/// [`sample_iter`]: Distribution::sample_iter +</span><span class="kw">pub trait </span>Distribution<T> { + <span class="doccomment">/// Generate a random value of `T`, using `rng` as the source of randomness. + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> T; + + <span class="doccomment">/// Create an iterator that generates random values of `T`, using `rng` as + /// the source of randomness. + /// + /// Note that this function takes `self` by value. This works since + /// `Distribution<T>` is impl'd for `&D` where `D: Distribution<T>`, + /// however borrowing is not automatic hence `distr.sample_iter(...)` may + /// need to be replaced with `(&distr).sample_iter(...)` to borrow or + /// `(&*distr).sample_iter(...)` to reborrow an existing reference. + /// + /// # Example + /// + /// ``` + /// use rand::thread_rng; + /// use rand::distributions::{Distribution, Alphanumeric, Uniform, Standard}; + /// + /// let mut rng = thread_rng(); + /// + /// // Vec of 16 x f32: + /// let v: Vec<f32> = Standard.sample_iter(&mut rng).take(16).collect(); + /// + /// // String: + /// let s: String = Alphanumeric + /// .sample_iter(&mut rng) + /// .take(7) + /// .map(char::from) + /// .collect(); + /// + /// // Dice-rolling: + /// let die_range = Uniform::new_inclusive(1, 6); + /// let mut roll_die = die_range.sample_iter(&mut rng); + /// while roll_die.next().unwrap() != 6 { + /// println!("Not a 6; rolling again!"); + /// } + /// ``` + </span><span class="kw">fn </span>sample_iter<R>(<span class="self">self</span>, rng: R) -> DistIter<<span class="self">Self</span>, R, T> + <span class="kw">where + </span>R: Rng, + <span class="self">Self</span>: Sized, + { + DistIter { + distr: <span class="self">self</span>, + rng, + phantom: ::core::marker::PhantomData, + } + } + + <span class="doccomment">/// Create a distribution of values of 'S' by mapping the output of `Self` + /// through the closure `F` + /// + /// # Example + /// + /// ``` + /// use rand::thread_rng; + /// use rand::distributions::{Distribution, Uniform}; + /// + /// let mut rng = thread_rng(); + /// + /// let die = Uniform::new_inclusive(1, 6); + /// let even_number = die.map(|num| num % 2 == 0); + /// while !even_number.sample(&mut rng) { + /// println!("Still odd; rolling again!"); + /// } + /// ``` + </span><span class="kw">fn </span>map<F, S>(<span class="self">self</span>, func: F) -> DistMap<<span class="self">Self</span>, F, T, S> + <span class="kw">where + </span>F: Fn(T) -> S, + <span class="self">Self</span>: Sized, + { + DistMap { + distr: <span class="self">self</span>, + func, + phantom: ::core::marker::PhantomData, + } + } +} + +<span class="kw">impl</span><<span class="lifetime">'a</span>, T, D: Distribution<T>> Distribution<T> <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>D { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> T { + (<span class="kw-2">*</span><span class="self">self</span>).sample(rng) + } +} + +<span class="doccomment">/// An iterator that generates random values of `T` with distribution `D`, +/// using `R` as the source of randomness. +/// +/// This `struct` is created by the [`sample_iter`] method on [`Distribution`]. +/// See its documentation for more. +/// +/// [`sample_iter`]: Distribution::sample_iter +</span><span class="attribute">#[derive(Debug)] +</span><span class="kw">pub struct </span>DistIter<D, R, T> { + distr: D, + rng: R, + phantom: ::core::marker::PhantomData<T>, +} + +<span class="kw">impl</span><D, R, T> Iterator <span class="kw">for </span>DistIter<D, R, T> +<span class="kw">where + </span>D: Distribution<T>, + R: Rng, +{ + <span class="kw">type </span>Item = T; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><T> { + <span class="comment">// Here, self.rng may be a reference, but we must take &mut anyway. + // Even if sample could take an R: Rng by value, we would need to do this + // since Rng is not copyable and we cannot enforce that this is "reborrowable". + </span><span class="prelude-val">Some</span>(<span class="self">self</span>.distr.sample(<span class="kw-2">&mut </span><span class="self">self</span>.rng)) + } + + <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { + (usize::max_value(), <span class="prelude-val">None</span>) + } +} + +<span class="kw">impl</span><D, R, T> iter::FusedIterator <span class="kw">for </span>DistIter<D, R, T> +<span class="kw">where + </span>D: Distribution<T>, + R: Rng, +{ +} + +<span class="attribute">#[cfg(features = <span class="string">"nightly"</span>)] +</span><span class="kw">impl</span><D, R, T> iter::TrustedLen <span class="kw">for </span>DistIter<D, R, T> +<span class="kw">where + </span>D: Distribution<T>, + R: Rng, +{ +} + +<span class="doccomment">/// A distribution of values of type `S` derived from the distribution `D` +/// by mapping its output of type `T` through the closure `F`. +/// +/// This `struct` is created by the [`Distribution::map`] method. +/// See its documentation for more. +</span><span class="attribute">#[derive(Debug)] +</span><span class="kw">pub struct </span>DistMap<D, F, T, S> { + distr: D, + func: F, + phantom: ::core::marker::PhantomData<<span class="kw">fn</span>(T) -> S>, +} + +<span class="kw">impl</span><D, F, T, S> Distribution<S> <span class="kw">for </span>DistMap<D, F, T, S> +<span class="kw">where + </span>D: Distribution<T>, + F: Fn(T) -> S, +{ + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> S { + (<span class="self">self</span>.func)(<span class="self">self</span>.distr.sample(rng)) + } +} + +<span class="doccomment">/// `String` sampler +/// +/// Sampling a `String` of random characters is not quite the same as collecting +/// a sequence of chars. This trait contains some helpers. +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">pub trait </span>DistString { + <span class="doccomment">/// Append `len` random chars to `string` + </span><span class="kw">fn </span>append_string<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, string: <span class="kw-2">&mut </span>String, len: usize); + + <span class="doccomment">/// Generate a `String` of `len` random chars + </span><span class="attribute">#[inline] + </span><span class="kw">fn </span>sample_string<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, len: usize) -> String { + <span class="kw">let </span><span class="kw-2">mut </span>s = String::new(); + <span class="self">self</span>.append_string(rng, <span class="kw-2">&mut </span>s, len); + s + } +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Uniform}; + <span class="kw">use </span><span class="kw">crate</span>::Rng; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_distributions_iter() { + <span class="kw">use </span><span class="kw">crate</span>::distributions::Open01; + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">210</span>); + <span class="kw">let </span>distr = Open01; + <span class="kw">let </span><span class="kw-2">mut </span>iter = Distribution::<f32>::sample_iter(distr, <span class="kw-2">&mut </span>rng); + <span class="kw">let </span><span class="kw-2">mut </span>sum: f32 = <span class="number">0.</span>; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + sum += iter.next().unwrap(); + } + <span class="macro">assert!</span>(<span class="number">0. </span>< sum && sum < <span class="number">100.</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_distributions_map() { + <span class="kw">let </span>dist = Uniform::new_inclusive(<span class="number">0</span>, <span class="number">5</span>).map(|val| val + <span class="number">15</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">212</span>); + <span class="kw">let </span>val = dist.sample(<span class="kw-2">&mut </span>rng); + <span class="macro">assert!</span>((<span class="number">15</span>..=<span class="number">20</span>).contains(<span class="kw-2">&</span>val)); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_make_an_iter() { + <span class="kw">fn </span>ten_dice_rolls_other_than_five<R: Rng>( + rng: <span class="kw-2">&mut </span>R, + ) -> <span class="kw">impl </span>Iterator<Item = i32> + <span class="lifetime">'_ </span>{ + Uniform::new_inclusive(<span class="number">1</span>, <span class="number">6</span>) + .sample_iter(rng) + .filter(|x| <span class="kw-2">*</span>x != <span class="number">5</span>) + .take(<span class="number">10</span>) + } + + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">211</span>); + <span class="kw">let </span><span class="kw-2">mut </span>count = <span class="number">0</span>; + <span class="kw">for </span>val <span class="kw">in </span>ten_dice_rolls_other_than_five(<span class="kw-2">&mut </span>rng) { + <span class="macro">assert!</span>((<span class="number">1</span>..=<span class="number">6</span>).contains(<span class="kw-2">&</span>val) && val != <span class="number">5</span>); + count += <span class="number">1</span>; + } + <span class="macro">assert_eq!</span>(count, <span class="number">10</span>); + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="kw">fn </span>test_dist_string() { + <span class="kw">use </span>core::str; + <span class="kw">use </span><span class="kw">crate</span>::distributions::{Alphanumeric, DistString, Standard}; + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">213</span>); + + <span class="kw">let </span>s1 = Alphanumeric.sample_string(<span class="kw-2">&mut </span>rng, <span class="number">20</span>); + <span class="macro">assert_eq!</span>(s1.len(), <span class="number">20</span>); + <span class="macro">assert_eq!</span>(str::from_utf8(s1.as_bytes()), <span class="prelude-val">Ok</span>(s1.as_str())); + + <span class="kw">let </span>s2 = Standard.sample_string(<span class="kw-2">&mut </span>rng, <span class="number">20</span>); + <span class="macro">assert_eq!</span>(s2.chars().count(), <span class="number">20</span>); + <span class="macro">assert_eq!</span>(str::from_utf8(s2.as_bytes()), <span class="prelude-val">Ok</span>(s2.as_str())); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/float.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/float.rs.html new file mode 100644 index 0000000..cba1f5b --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/float.rs.html @@ -0,0 +1,627 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/float.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>float.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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+<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Basic floating-point number distributions + +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::utils::FloatSIMDUtils; +<span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Standard}; +<span class="kw">use </span><span class="kw">crate</span>::Rng; +<span class="kw">use </span>core::mem; +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] </span><span class="kw">use </span>packed_simd::<span class="kw-2">*</span>; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; + +<span class="doccomment">/// A distribution to sample floating point numbers uniformly in the half-open +/// interval `(0, 1]`, i.e. including 1 but not 0. +/// +/// All values that can be generated are of the form `n * ε/2`. For `f32` +/// the 24 most significant random bits of a `u32` are used and for `f64` the +/// 53 most significant bits of a `u64` are used. The conversion uses the +/// multiplicative method. +/// +/// See also: [`Standard`] which samples from `[0, 1)`, [`Open01`] +/// which samples from `(0, 1)` and [`Uniform`] which samples from arbitrary +/// ranges. +/// +/// # Example +/// ``` +/// use rand::{thread_rng, Rng}; +/// use rand::distributions::OpenClosed01; +/// +/// let val: f32 = thread_rng().sample(OpenClosed01); +/// println!("f32 from (0, 1): {}", val); +/// ``` +/// +/// [`Standard`]: crate::distributions::Standard +/// [`Open01`]: crate::distributions::Open01 +/// [`Uniform`]: crate::distributions::uniform::Uniform +</span><span class="attribute">#[derive(Clone, Copy, Debug)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>OpenClosed01; + +<span class="doccomment">/// A distribution to sample floating point numbers uniformly in the open +/// interval `(0, 1)`, i.e. not including either endpoint. +/// +/// All values that can be generated are of the form `n * ε + ε/2`. For `f32` +/// the 23 most significant random bits of an `u32` are used, for `f64` 52 from +/// an `u64`. The conversion uses a transmute-based method. +/// +/// See also: [`Standard`] which samples from `[0, 1)`, [`OpenClosed01`] +/// which samples from `(0, 1]` and [`Uniform`] which samples from arbitrary +/// ranges. +/// +/// # Example +/// ``` +/// use rand::{thread_rng, Rng}; +/// use rand::distributions::Open01; +/// +/// let val: f32 = thread_rng().sample(Open01); +/// println!("f32 from (0, 1): {}", val); +/// ``` +/// +/// [`Standard`]: crate::distributions::Standard +/// [`OpenClosed01`]: crate::distributions::OpenClosed01 +/// [`Uniform`]: crate::distributions::uniform::Uniform +</span><span class="attribute">#[derive(Clone, Copy, Debug)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>Open01; + + +<span class="comment">// This trait is needed by both this lib and rand_distr hence is a hidden export +</span><span class="attribute">#[doc(hidden)] +</span><span class="kw">pub trait </span>IntoFloat { + <span class="kw">type </span>F; + + <span class="doccomment">/// Helper method to combine the fraction and a constant exponent into a + /// float. + /// + /// Only the least significant bits of `self` may be set, 23 for `f32` and + /// 52 for `f64`. + /// The resulting value will fall in a range that depends on the exponent. + /// As an example the range with exponent 0 will be + /// [2<sup>0</sup>..2<sup>1</sup>), which is [1..2). + </span><span class="kw">fn </span>into_float_with_exponent(<span class="self">self</span>, exponent: i32) -> <span class="self">Self</span>::F; +} + +<span class="macro">macro_rules! </span>float_impls { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$uty</span>:ident, <span class="macro-nonterminal">$f_scalar</span>:ident, <span class="macro-nonterminal">$u_scalar</span>:ty, + <span class="macro-nonterminal">$fraction_bits</span>:expr, <span class="macro-nonterminal">$exponent_bias</span>:expr) => { + <span class="kw">impl </span>IntoFloat <span class="kw">for </span><span class="macro-nonterminal">$uty </span>{ + <span class="kw">type </span>F = <span class="macro-nonterminal">$ty</span>; + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>into_float_with_exponent(<span class="self">self</span>, exponent: i32) -> <span class="macro-nonterminal">$ty </span>{ + <span class="comment">// The exponent is encoded using an offset-binary representation + </span><span class="kw">let </span>exponent_bits: <span class="macro-nonterminal">$u_scalar </span>= + ((<span class="macro-nonterminal">$exponent_bias </span>+ exponent) <span class="kw">as </span><span class="macro-nonterminal">$u_scalar</span>) << <span class="macro-nonterminal">$fraction_bits</span>; + <span class="macro-nonterminal">$ty::from_bits</span>(<span class="self">self </span>| exponent_bits) + } + } + + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$ty</span>> <span class="kw">for </span>Standard { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$ty </span>{ + <span class="comment">// Multiply-based method; 24/53 random bits; [0, 1) interval. + // We use the most significant bits because for simple RNGs + // those are usually more random. + </span><span class="kw">let </span>float_size = mem::size_of::<<span class="macro-nonterminal">$f_scalar</span>>() <span class="kw">as </span>u32 * <span class="number">8</span>; + <span class="kw">let </span>precision = <span class="macro-nonterminal">$fraction_bits </span>+ <span class="number">1</span>; + <span class="kw">let </span>scale = <span class="number">1.0 </span>/ ((<span class="number">1 </span><span class="kw">as </span><span class="macro-nonterminal">$u_scalar </span><< precision) <span class="kw">as </span><span class="macro-nonterminal">$f_scalar</span>); + + <span class="kw">let </span>value: <span class="macro-nonterminal">$uty </span>= rng.gen(); + <span class="kw">let </span>value = value >> (float_size - precision); + scale * <span class="macro-nonterminal">$ty::cast_from_int</span>(value) + } + } + + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$ty</span>> <span class="kw">for </span>OpenClosed01 { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$ty </span>{ + <span class="comment">// Multiply-based method; 24/53 random bits; (0, 1] interval. + // We use the most significant bits because for simple RNGs + // those are usually more random. + </span><span class="kw">let </span>float_size = mem::size_of::<<span class="macro-nonterminal">$f_scalar</span>>() <span class="kw">as </span>u32 * <span class="number">8</span>; + <span class="kw">let </span>precision = <span class="macro-nonterminal">$fraction_bits </span>+ <span class="number">1</span>; + <span class="kw">let </span>scale = <span class="number">1.0 </span>/ ((<span class="number">1 </span><span class="kw">as </span><span class="macro-nonterminal">$u_scalar </span><< precision) <span class="kw">as </span><span class="macro-nonterminal">$f_scalar</span>); + + <span class="kw">let </span>value: <span class="macro-nonterminal">$uty </span>= rng.gen(); + <span class="kw">let </span>value = value >> (float_size - precision); + <span class="comment">// Add 1 to shift up; will not overflow because of right-shift: + </span>scale * <span class="macro-nonterminal">$ty::cast_from_int</span>(value + <span class="number">1</span>) + } + } + + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$ty</span>> <span class="kw">for </span>Open01 { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$ty </span>{ + <span class="comment">// Transmute-based method; 23/52 random bits; (0, 1) interval. + // We use the most significant bits because for simple RNGs + // those are usually more random. + </span><span class="kw">use </span>core::<span class="macro-nonterminal">$f_scalar::EPSILON</span>; + <span class="kw">let </span>float_size = mem::size_of::<<span class="macro-nonterminal">$f_scalar</span>>() <span class="kw">as </span>u32 * <span class="number">8</span>; + + <span class="kw">let </span>value: <span class="macro-nonterminal">$uty </span>= rng.gen(); + <span class="kw">let </span>fraction = value >> (float_size - <span class="macro-nonterminal">$fraction_bits</span>); + fraction.into_float_with_exponent(<span class="number">0</span>) - (<span class="number">1.0 </span>- EPSILON / <span class="number">2.0</span>) + } + } + } +} + +<span class="macro">float_impls! </span>{ f32, u32, f32, u32, <span class="number">23</span>, <span class="number">127 </span>} +<span class="macro">float_impls! </span>{ f64, u64, f64, u64, <span class="number">52</span>, <span class="number">1023 </span>} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f32x2, u32x2, f32, u32, <span class="number">23</span>, <span class="number">127 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f32x4, u32x4, f32, u32, <span class="number">23</span>, <span class="number">127 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f32x8, u32x8, f32, u32, <span class="number">23</span>, <span class="number">127 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f32x16, u32x16, f32, u32, <span class="number">23</span>, <span class="number">127 </span>} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f64x2, u64x2, f64, u64, <span class="number">52</span>, <span class="number">1023 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f64x4, u64x4, f64, u64, <span class="number">52</span>, <span class="number">1023 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">float_impls! </span>{ f64x8, u64x8, f64, u64, <span class="number">52</span>, <span class="number">1023 </span>} + + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="kw">use </span><span class="kw">crate</span>::rngs::mock::StepRng; + + <span class="kw">const </span>EPSILON32: f32 = ::core::f32::EPSILON; + <span class="kw">const </span>EPSILON64: f64 = ::core::f64::EPSILON; + + <span class="macro">macro_rules! </span>test_f32 { + (<span class="macro-nonterminal">$fnn</span>:ident, <span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$ZERO</span>:expr, <span class="macro-nonterminal">$EPSILON</span>:expr) => { + <span class="attribute">#[test] + </span><span class="kw">fn </span><span class="macro-nonterminal">$fnn</span>() { + <span class="comment">// Standard + </span><span class="kw">let </span><span class="kw-2">mut </span>zeros = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(zeros.gen::<<span class="macro-nonterminal">$ty</span>>(), <span class="macro-nonterminal">$ZERO</span>); + <span class="kw">let </span><span class="kw-2">mut </span>one = StepRng::new(<span class="number">1 </span><< <span class="number">8 </span>| <span class="number">1 </span><< (<span class="number">8 </span>+ <span class="number">32</span>), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(one.gen::<<span class="macro-nonterminal">$ty</span>>(), <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = StepRng::new(!<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(max.gen::<<span class="macro-nonterminal">$ty</span>>(), <span class="number">1.0 </span>- <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + + <span class="comment">// OpenClosed01 + </span><span class="kw">let </span><span class="kw-2">mut </span>zeros = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(zeros.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(OpenClosed01), <span class="number">0.0 </span>+ <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>one = StepRng::new(<span class="number">1 </span><< <span class="number">8 </span>| <span class="number">1 </span><< (<span class="number">8 </span>+ <span class="number">32</span>), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(one.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(OpenClosed01), <span class="macro-nonterminal">$EPSILON</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = StepRng::new(!<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(max.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(OpenClosed01), <span class="macro-nonterminal">$ZERO </span>+ <span class="number">1.0</span>); + + <span class="comment">// Open01 + </span><span class="kw">let </span><span class="kw-2">mut </span>zeros = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(zeros.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(Open01), <span class="number">0.0 </span>+ <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>one = StepRng::new(<span class="number">1 </span><< <span class="number">9 </span>| <span class="number">1 </span><< (<span class="number">9 </span>+ <span class="number">32</span>), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(one.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(Open01), <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0 </span>* <span class="number">3.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = StepRng::new(!<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(max.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(Open01), <span class="number">1.0 </span>- <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + } + }; + } + <span class="macro">test_f32! </span>{ f32_edge_cases, f32, <span class="number">0.0</span>, EPSILON32 } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f32! </span>{ f32x2_edge_cases, f32x2, f32x2::splat(<span class="number">0.0</span>), f32x2::splat(EPSILON32) } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f32! </span>{ f32x4_edge_cases, f32x4, f32x4::splat(<span class="number">0.0</span>), f32x4::splat(EPSILON32) } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f32! </span>{ f32x8_edge_cases, f32x8, f32x8::splat(<span class="number">0.0</span>), f32x8::splat(EPSILON32) } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f32! </span>{ f32x16_edge_cases, f32x16, f32x16::splat(<span class="number">0.0</span>), f32x16::splat(EPSILON32) } + + <span class="macro">macro_rules! </span>test_f64 { + (<span class="macro-nonterminal">$fnn</span>:ident, <span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$ZERO</span>:expr, <span class="macro-nonterminal">$EPSILON</span>:expr) => { + <span class="attribute">#[test] + </span><span class="kw">fn </span><span class="macro-nonterminal">$fnn</span>() { + <span class="comment">// Standard + </span><span class="kw">let </span><span class="kw-2">mut </span>zeros = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(zeros.gen::<<span class="macro-nonterminal">$ty</span>>(), <span class="macro-nonterminal">$ZERO</span>); + <span class="kw">let </span><span class="kw-2">mut </span>one = StepRng::new(<span class="number">1 </span><< <span class="number">11</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(one.gen::<<span class="macro-nonterminal">$ty</span>>(), <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = StepRng::new(!<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(max.gen::<<span class="macro-nonterminal">$ty</span>>(), <span class="number">1.0 </span>- <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + + <span class="comment">// OpenClosed01 + </span><span class="kw">let </span><span class="kw-2">mut </span>zeros = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(zeros.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(OpenClosed01), <span class="number">0.0 </span>+ <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>one = StepRng::new(<span class="number">1 </span><< <span class="number">11</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(one.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(OpenClosed01), <span class="macro-nonterminal">$EPSILON</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = StepRng::new(!<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(max.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(OpenClosed01), <span class="macro-nonterminal">$ZERO </span>+ <span class="number">1.0</span>); + + <span class="comment">// Open01 + </span><span class="kw">let </span><span class="kw-2">mut </span>zeros = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(zeros.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(Open01), <span class="number">0.0 </span>+ <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>one = StepRng::new(<span class="number">1 </span><< <span class="number">12</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(one.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(Open01), <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0 </span>* <span class="number">3.0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = StepRng::new(!<span class="number">0</span>, <span class="number">0</span>); + <span class="macro">assert_eq!</span>(max.sample::<<span class="macro-nonterminal">$ty</span>, <span class="kw">_</span>>(Open01), <span class="number">1.0 </span>- <span class="macro-nonterminal">$EPSILON </span>/ <span class="number">2.0</span>); + } + }; + } + <span class="macro">test_f64! </span>{ f64_edge_cases, f64, <span class="number">0.0</span>, EPSILON64 } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f64! </span>{ f64x2_edge_cases, f64x2, f64x2::splat(<span class="number">0.0</span>), f64x2::splat(EPSILON64) } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f64! </span>{ f64x4_edge_cases, f64x4, f64x4::splat(<span class="number">0.0</span>), f64x4::splat(EPSILON64) } + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span><span class="macro">test_f64! </span>{ f64x8_edge_cases, f64x8, f64x8::splat(<span class="number">0.0</span>), f64x8::splat(EPSILON64) } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability() { + <span class="kw">fn </span>test_samples<T: Copy + core::fmt::Debug + PartialEq, D: Distribution<T>>( + distr: <span class="kw-2">&</span>D, zero: T, expected: <span class="kw-2">&</span>[T], + ) { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">0x6f44f5646c2a7334</span>); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [zero; <span class="number">3</span>]; + <span class="kw">for </span>x <span class="kw">in </span><span class="kw-2">&mut </span>buf { + <span class="kw-2">*</span>x = rng.sample(<span class="kw-2">&</span>distr); + } + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>buf, expected); + } + + test_samples(<span class="kw-2">&</span>Standard, <span class="number">0f32</span>, <span class="kw-2">&</span>[<span class="number">0.0035963655</span>, <span class="number">0.7346052</span>, <span class="number">0.09778172</span>]); + test_samples(<span class="kw-2">&</span>Standard, <span class="number">0f64</span>, <span class="kw-2">&</span>[ + <span class="number">0.7346051961657583</span>, + <span class="number">0.20298547462974248</span>, + <span class="number">0.8166436635290655</span>, + ]); + + test_samples(<span class="kw-2">&</span>OpenClosed01, <span class="number">0f32</span>, <span class="kw-2">&</span>[<span class="number">0.003596425</span>, <span class="number">0.73460525</span>, <span class="number">0.09778178</span>]); + test_samples(<span class="kw-2">&</span>OpenClosed01, <span class="number">0f64</span>, <span class="kw-2">&</span>[ + <span class="number">0.7346051961657584</span>, + <span class="number">0.2029854746297426</span>, + <span class="number">0.8166436635290656</span>, + ]); + + test_samples(<span class="kw-2">&</span>Open01, <span class="number">0f32</span>, <span class="kw-2">&</span>[<span class="number">0.0035963655</span>, <span class="number">0.73460525</span>, <span class="number">0.09778172</span>]); + test_samples(<span class="kw-2">&</span>Open01, <span class="number">0f64</span>, <span class="kw-2">&</span>[ + <span class="number">0.7346051961657584</span>, + <span class="number">0.20298547462974248</span>, + <span class="number">0.8166436635290656</span>, + ]); + + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span>{ + <span class="comment">// We only test a sub-set of types here. Values are identical to + // non-SIMD types; we assume this pattern continues across all + // SIMD types. + + </span>test_samples(<span class="kw-2">&</span>Standard, f32x2::new(<span class="number">0.0</span>, <span class="number">0.0</span>), <span class="kw-2">&</span>[ + f32x2::new(<span class="number">0.0035963655</span>, <span class="number">0.7346052</span>), + f32x2::new(<span class="number">0.09778172</span>, <span class="number">0.20298547</span>), + f32x2::new(<span class="number">0.34296435</span>, <span class="number">0.81664366</span>), + ]); + + test_samples(<span class="kw-2">&</span>Standard, f64x2::new(<span class="number">0.0</span>, <span class="number">0.0</span>), <span class="kw-2">&</span>[ + f64x2::new(<span class="number">0.7346051961657583</span>, <span class="number">0.20298547462974248</span>), + f64x2::new(<span class="number">0.8166436635290655</span>, <span class="number">0.7423708925400552</span>), + f64x2::new(<span class="number">0.16387782224016323</span>, <span class="number">0.9087068770169618</span>), + ]); + } + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/integer.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/integer.rs.html new file mode 100644 index 0000000..0fbac64 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/integer.rs.html @@ -0,0 +1,551 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/integer.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>integer.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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+<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The implementations of the `Standard` distribution for integer types. + +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Standard}; +<span class="kw">use </span><span class="kw">crate</span>::Rng; +<span class="attribute">#[cfg(all(target_arch = <span class="string">"x86"</span>, feature = <span class="string">"simd_support"</span>))] +</span><span class="kw">use </span>core::arch::x86::{__m128i, __m256i}; +<span class="attribute">#[cfg(all(target_arch = <span class="string">"x86_64"</span>, feature = <span class="string">"simd_support"</span>))] +</span><span class="kw">use </span>core::arch::x86_64::{__m128i, __m256i}; +<span class="kw">use </span>core::num::{NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU8, NonZeroUsize, + NonZeroU128}; +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] </span><span class="kw">use </span>packed_simd::<span class="kw-2">*</span>; + +<span class="kw">impl </span>Distribution<u8> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> u8 { + rng.next_u32() <span class="kw">as </span>u8 + } +} + +<span class="kw">impl </span>Distribution<u16> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> u16 { + rng.next_u32() <span class="kw">as </span>u16 + } +} + +<span class="kw">impl </span>Distribution<u32> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> u32 { + rng.next_u32() + } +} + +<span class="kw">impl </span>Distribution<u64> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> u64 { + rng.next_u64() + } +} + +<span class="kw">impl </span>Distribution<u128> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> u128 { + <span class="comment">// Use LE; we explicitly generate one value before the next. + </span><span class="kw">let </span>x = u128::from(rng.next_u64()); + <span class="kw">let </span>y = u128::from(rng.next_u64()); + (y << <span class="number">64</span>) | x + } +} + +<span class="kw">impl </span>Distribution<usize> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + #[cfg(any(target_pointer_width = <span class="string">"32"</span>, target_pointer_width = <span class="string">"16"</span>))] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> usize { + rng.next_u32() <span class="kw">as </span>usize + } + + <span class="attribute">#[inline] + #[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> usize { + rng.next_u64() <span class="kw">as </span>usize + } +} + +<span class="macro">macro_rules! </span>impl_int_from_uint { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$uty</span>:ty) => { + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$ty</span>> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$ty </span>{ + rng.gen::<<span class="macro-nonterminal">$uty</span>>() <span class="kw">as </span><span class="macro-nonterminal">$ty + </span>} + } + }; +} + +<span class="macro">impl_int_from_uint! </span>{ i8, u8 } +<span class="macro">impl_int_from_uint! </span>{ i16, u16 } +<span class="macro">impl_int_from_uint! </span>{ i32, u32 } +<span class="macro">impl_int_from_uint! </span>{ i64, u64 } +<span class="macro">impl_int_from_uint! </span>{ i128, u128 } +<span class="macro">impl_int_from_uint! </span>{ isize, usize } + +<span class="macro">macro_rules! </span>impl_nzint { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$new</span>:path) => { + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$ty</span>> <span class="kw">for </span>Standard { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$ty </span>{ + <span class="kw">loop </span>{ + <span class="kw">if let </span><span class="prelude-val">Some</span>(nz) = <span class="macro-nonterminal">$new</span>(rng.gen()) { + <span class="kw">break </span>nz; + } + } + } + } + }; +} + +<span class="macro">impl_nzint!</span>(NonZeroU8, NonZeroU8::new); +<span class="macro">impl_nzint!</span>(NonZeroU16, NonZeroU16::new); +<span class="macro">impl_nzint!</span>(NonZeroU32, NonZeroU32::new); +<span class="macro">impl_nzint!</span>(NonZeroU64, NonZeroU64::new); +<span class="macro">impl_nzint!</span>(NonZeroU128, NonZeroU128::new); +<span class="macro">impl_nzint!</span>(NonZeroUsize, NonZeroUsize::new); + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">macro_rules! </span>simd_impl { + ($((<span class="macro-nonterminal">$intrinsic</span>:ident, <span class="macro-nonterminal">$vec</span>:ty),)+) => {$( + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$intrinsic</span>> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$intrinsic </span>{ + <span class="macro-nonterminal">$intrinsic::from_bits</span>(rng.gen::<<span class="macro-nonterminal">$vec</span>>()) + } + } + )+}; + + (<span class="macro-nonterminal">$bits</span>:expr,) => {}; + (<span class="macro-nonterminal">$bits</span>:expr, <span class="macro-nonterminal">$ty</span>:ty, $(<span class="macro-nonterminal">$ty_more</span>:ty,)<span class="kw-2">*</span>) => { + <span class="macro">simd_impl!</span>(<span class="macro-nonterminal">$bits</span>, $(<span class="macro-nonterminal">$ty_more</span>,)<span class="kw-2">*</span>); + + <span class="kw">impl </span>Distribution<<span class="macro-nonterminal">$ty</span>> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="macro-nonterminal">$ty </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>vec: <span class="macro-nonterminal">$ty </span>= Default::default(); + <span class="kw">unsafe </span>{ + <span class="kw">let </span>ptr = <span class="kw-2">&mut </span>vec; + <span class="kw">let </span>b_ptr = <span class="kw-2">&mut *</span>(ptr <span class="kw">as </span><span class="kw-2">*mut </span><span class="macro-nonterminal">$ty </span><span class="kw">as </span><span class="kw-2">*mut </span>[u8; <span class="macro-nonterminal">$bits</span>/<span class="number">8</span>]); + rng.fill_bytes(b_ptr); + } + vec.to_le() + } + } + }; +} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">simd_impl!</span>(<span class="number">16</span>, u8x2, i8x2,); +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">simd_impl!</span>(<span class="number">32</span>, u8x4, i8x4, u16x2, i16x2,); +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">simd_impl!</span>(<span class="number">64</span>, u8x8, i8x8, u16x4, i16x4, u32x2, i32x2,); +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">simd_impl!</span>(<span class="number">128</span>, u8x16, i8x16, u16x8, i16x8, u32x4, i32x4, u64x2, i64x2,); +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">simd_impl!</span>(<span class="number">256</span>, u8x32, i8x32, u16x16, i16x16, u32x8, i32x8, u64x4, i64x4,); +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">simd_impl!</span>(<span class="number">512</span>, u8x64, i8x64, u16x32, i16x32, u32x16, i32x16, u64x8, i64x8,); +<span class="attribute">#[cfg(all( + feature = <span class="string">"simd_support"</span>, + any(target_arch = <span class="string">"x86"</span>, target_arch = <span class="string">"x86_64"</span>) +))] +</span><span class="macro">simd_impl!</span>((__m128i, u8x16), (__m256i, u8x32),); + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_integers() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">806</span>); + + rng.sample::<isize, <span class="kw">_</span>>(Standard); + rng.sample::<i8, <span class="kw">_</span>>(Standard); + rng.sample::<i16, <span class="kw">_</span>>(Standard); + rng.sample::<i32, <span class="kw">_</span>>(Standard); + rng.sample::<i64, <span class="kw">_</span>>(Standard); + rng.sample::<i128, <span class="kw">_</span>>(Standard); + + rng.sample::<usize, <span class="kw">_</span>>(Standard); + rng.sample::<u8, <span class="kw">_</span>>(Standard); + rng.sample::<u16, <span class="kw">_</span>>(Standard); + rng.sample::<u32, <span class="kw">_</span>>(Standard); + rng.sample::<u64, <span class="kw">_</span>>(Standard); + rng.sample::<u128, <span class="kw">_</span>>(Standard); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability() { + <span class="kw">fn </span>test_samples<T: Copy + core::fmt::Debug + PartialEq>(zero: T, expected: <span class="kw-2">&</span>[T]) + <span class="kw">where </span>Standard: Distribution<T> { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">807</span>); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [zero; <span class="number">3</span>]; + <span class="kw">for </span>x <span class="kw">in </span><span class="kw-2">&mut </span>buf { + <span class="kw-2">*</span>x = rng.sample(Standard); + } + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>buf, expected); + } + + test_samples(<span class="number">0u8</span>, <span class="kw-2">&</span>[<span class="number">9</span>, <span class="number">247</span>, <span class="number">111</span>]); + test_samples(<span class="number">0u16</span>, <span class="kw-2">&</span>[<span class="number">32265</span>, <span class="number">42999</span>, <span class="number">38255</span>]); + test_samples(<span class="number">0u32</span>, <span class="kw-2">&</span>[<span class="number">2220326409</span>, <span class="number">2575017975</span>, <span class="number">2018088303</span>]); + test_samples(<span class="number">0u64</span>, <span class="kw-2">&</span>[ + <span class="number">11059617991457472009</span>, + <span class="number">16096616328739788143</span>, + <span class="number">1487364411147516184</span>, + ]); + test_samples(<span class="number">0u128</span>, <span class="kw-2">&</span>[ + <span class="number">296930161868957086625409848350820761097</span>, + <span class="number">145644820879247630242265036535529306392</span>, + <span class="number">111087889832015897993126088499035356354</span>, + ]); + <span class="attribute">#[cfg(any(target_pointer_width = <span class="string">"32"</span>, target_pointer_width = <span class="string">"16"</span>))] + </span>test_samples(<span class="number">0usize</span>, <span class="kw-2">&</span>[<span class="number">2220326409</span>, <span class="number">2575017975</span>, <span class="number">2018088303</span>]); + <span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] + </span>test_samples(<span class="number">0usize</span>, <span class="kw-2">&</span>[ + <span class="number">11059617991457472009</span>, + <span class="number">16096616328739788143</span>, + <span class="number">1487364411147516184</span>, + ]); + + test_samples(<span class="number">0i8</span>, <span class="kw-2">&</span>[<span class="number">9</span>, -<span class="number">9</span>, <span class="number">111</span>]); + <span class="comment">// Skip further i* types: they are simple reinterpretation of u* samples + + </span><span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span>{ + <span class="comment">// We only test a sub-set of types here and make assumptions about the rest. + + </span>test_samples(u8x2::default(), <span class="kw-2">&</span>[ + u8x2::new(<span class="number">9</span>, <span class="number">126</span>), + u8x2::new(<span class="number">247</span>, <span class="number">167</span>), + u8x2::new(<span class="number">111</span>, <span class="number">149</span>), + ]); + test_samples(u8x4::default(), <span class="kw-2">&</span>[ + u8x4::new(<span class="number">9</span>, <span class="number">126</span>, <span class="number">87</span>, <span class="number">132</span>), + u8x4::new(<span class="number">247</span>, <span class="number">167</span>, <span class="number">123</span>, <span class="number">153</span>), + u8x4::new(<span class="number">111</span>, <span class="number">149</span>, <span class="number">73</span>, <span class="number">120</span>), + ]); + test_samples(u8x8::default(), <span class="kw-2">&</span>[ + u8x8::new(<span class="number">9</span>, <span class="number">126</span>, <span class="number">87</span>, <span class="number">132</span>, <span class="number">247</span>, <span class="number">167</span>, <span class="number">123</span>, <span class="number">153</span>), + u8x8::new(<span class="number">111</span>, <span class="number">149</span>, <span class="number">73</span>, <span class="number">120</span>, <span class="number">68</span>, <span class="number">171</span>, <span class="number">98</span>, <span class="number">223</span>), + u8x8::new(<span class="number">24</span>, <span class="number">121</span>, <span class="number">1</span>, <span class="number">50</span>, <span class="number">13</span>, <span class="number">46</span>, <span class="number">164</span>, <span class="number">20</span>), + ]); + + test_samples(i64x8::default(), <span class="kw-2">&</span>[ + i64x8::new( + -<span class="number">7387126082252079607</span>, + -<span class="number">2350127744969763473</span>, + <span class="number">1487364411147516184</span>, + <span class="number">7895421560427121838</span>, + <span class="number">602190064936008898</span>, + <span class="number">6022086574635100741</span>, + -<span class="number">5080089175222015595</span>, + -<span class="number">4066367846667249123</span>, + ), + i64x8::new( + <span class="number">9180885022207963908</span>, + <span class="number">3095981199532211089</span>, + <span class="number">6586075293021332726</span>, + <span class="number">419343203796414657</span>, + <span class="number">3186951873057035255</span>, + <span class="number">5287129228749947252</span>, + <span class="number">444726432079249540</span>, + -<span class="number">1587028029513790706</span>, + ), + i64x8::new( + <span class="number">6075236523189346388</span>, + <span class="number">1351763722368165432</span>, + -<span class="number">6192309979959753740</span>, + -<span class="number">7697775502176768592</span>, + -<span class="number">4482022114172078123</span>, + <span class="number">7522501477800909500</span>, + -<span class="number">1837258847956201231</span>, + -<span class="number">586926753024886735</span>, + ), + ]); + } + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/mod.rs.html new file mode 100644 index 0000000..8e93c46 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/mod.rs.html @@ -0,0 +1,439 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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+<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// Copyright 2013-2017 The Rust Project Developers. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Generating random samples from probability distributions +//! +//! This module is the home of the [`Distribution`] trait and several of its +//! implementations. It is the workhorse behind some of the convenient +//! functionality of the [`Rng`] trait, e.g. [`Rng::gen`] and of course +//! [`Rng::sample`]. +//! +//! Abstractly, a [probability distribution] describes the probability of +//! occurrence of each value in its sample space. +//! +//! More concretely, an implementation of `Distribution<T>` for type `X` is an +//! algorithm for choosing values from the sample space (a subset of `T`) +//! according to the distribution `X` represents, using an external source of +//! randomness (an RNG supplied to the `sample` function). +//! +//! A type `X` may implement `Distribution<T>` for multiple types `T`. +//! Any type implementing [`Distribution`] is stateless (i.e. immutable), +//! but it may have internal parameters set at construction time (for example, +//! [`Uniform`] allows specification of its sample space as a range within `T`). +//! +//! +//! # The `Standard` distribution +//! +//! The [`Standard`] distribution is important to mention. This is the +//! distribution used by [`Rng::gen`] and represents the "default" way to +//! produce a random value for many different types, including most primitive +//! types, tuples, arrays, and a few derived types. See the documentation of +//! [`Standard`] for more details. +//! +//! Implementing `Distribution<T>` for [`Standard`] for user types `T` makes it +//! possible to generate type `T` with [`Rng::gen`], and by extension also +//! with the [`random`] function. +//! +//! ## Random characters +//! +//! [`Alphanumeric`] is a simple distribution to sample random letters and +//! numbers of the `char` type; in contrast [`Standard`] may sample any valid +//! `char`. +//! +//! +//! # Uniform numeric ranges +//! +//! The [`Uniform`] distribution is more flexible than [`Standard`], but also +//! more specialised: it supports fewer target types, but allows the sample +//! space to be specified as an arbitrary range within its target type `T`. +//! Both [`Standard`] and [`Uniform`] are in some sense uniform distributions. +//! +//! Values may be sampled from this distribution using [`Rng::sample(Range)`] or +//! by creating a distribution object with [`Uniform::new`], +//! [`Uniform::new_inclusive`] or `From<Range>`. When the range limits are not +//! known at compile time it is typically faster to reuse an existing +//! `Uniform` object than to call [`Rng::sample(Range)`]. +//! +//! User types `T` may also implement `Distribution<T>` for [`Uniform`], +//! although this is less straightforward than for [`Standard`] (see the +//! documentation in the [`uniform`] module). Doing so enables generation of +//! values of type `T` with [`Rng::sample(Range)`]. +//! +//! ## Open and half-open ranges +//! +//! There are surprisingly many ways to uniformly generate random floats. A +//! range between 0 and 1 is standard, but the exact bounds (open vs closed) +//! and accuracy differ. In addition to the [`Standard`] distribution Rand offers +//! [`Open01`] and [`OpenClosed01`]. See "Floating point implementation" section of +//! [`Standard`] documentation for more details. +//! +//! # Non-uniform sampling +//! +//! Sampling a simple true/false outcome with a given probability has a name: +//! the [`Bernoulli`] distribution (this is used by [`Rng::gen_bool`]). +//! +//! For weighted sampling from a sequence of discrete values, use the +//! [`WeightedIndex`] distribution. +//! +//! This crate no longer includes other non-uniform distributions; instead +//! it is recommended that you use either [`rand_distr`] or [`statrs`]. +//! +//! +//! [probability distribution]: https://en.wikipedia.org/wiki/Probability_distribution +//! [`rand_distr`]: https://crates.io/crates/rand_distr +//! [`statrs`]: https://crates.io/crates/statrs + +//! [`random`]: crate::random +//! [`rand_distr`]: https://crates.io/crates/rand_distr +//! [`statrs`]: https://crates.io/crates/statrs + +</span><span class="kw">mod </span>bernoulli; +<span class="kw">mod </span>distribution; +<span class="kw">mod </span>float; +<span class="kw">mod </span>integer; +<span class="kw">mod </span>other; +<span class="kw">mod </span>slice; +<span class="kw">mod </span>utils; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">mod </span>weighted_index; + +<span class="attribute">#[doc(hidden)] +</span><span class="kw">pub mod </span>hidden_export { + <span class="kw">pub use </span><span class="kw">super</span>::float::IntoFloat; <span class="comment">// used by rand_distr +</span>} +<span class="kw">pub mod </span>uniform; +<span class="attribute">#[deprecated( + since = <span class="string">"0.8.0"</span>, + note = <span class="string">"use rand::distributions::{WeightedIndex, WeightedError} instead" +</span>)] +#[cfg(feature = <span class="string">"alloc"</span>)] +#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] +</span><span class="kw">pub mod </span>weighted; + +<span class="kw">pub use </span><span class="self">self</span>::bernoulli::{Bernoulli, BernoulliError}; +<span class="kw">pub use </span><span class="self">self</span>::distribution::{Distribution, DistIter, DistMap}; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">pub use </span><span class="self">self</span>::distribution::DistString; +<span class="kw">pub use </span><span class="self">self</span>::float::{Open01, OpenClosed01}; +<span class="kw">pub use </span><span class="self">self</span>::other::Alphanumeric; +<span class="kw">pub use </span><span class="self">self</span>::slice::Slice; +<span class="attribute">#[doc(inline)] +</span><span class="kw">pub use </span><span class="self">self</span>::uniform::Uniform; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">pub use </span><span class="self">self</span>::weighted_index::{WeightedError, WeightedIndex}; + +<span class="attribute">#[allow(unused)] +</span><span class="kw">use </span><span class="kw">crate</span>::Rng; + +<span class="doccomment">/// A generic random value distribution, implemented for many primitive types. +/// Usually generates values with a numerically uniform distribution, and with a +/// range appropriate to the type. +/// +/// ## Provided implementations +/// +/// Assuming the provided `Rng` is well-behaved, these implementations +/// generate values with the following ranges and distributions: +/// +/// * Integers (`i32`, `u32`, `isize`, `usize`, etc.): Uniformly distributed +/// over all values of the type. +/// * `char`: Uniformly distributed over all Unicode scalar values, i.e. all +/// code points in the range `0...0x10_FFFF`, except for the range +/// `0xD800...0xDFFF` (the surrogate code points). This includes +/// unassigned/reserved code points. +/// * `bool`: Generates `false` or `true`, each with probability 0.5. +/// * Floating point types (`f32` and `f64`): Uniformly distributed in the +/// half-open range `[0, 1)`. See notes below. +/// * Wrapping integers (`Wrapping<T>`), besides the type identical to their +/// normal integer variants. +/// +/// The `Standard` distribution also supports generation of the following +/// compound types where all component types are supported: +/// +/// * Tuples (up to 12 elements): each element is generated sequentially. +/// * Arrays (up to 32 elements): each element is generated sequentially; +/// see also [`Rng::fill`] which supports arbitrary array length for integer +/// and float types and tends to be faster for `u32` and smaller types. +/// When using `rustc` ≥ 1.51, enable the `min_const_gen` feature to support +/// arrays larger than 32 elements. +/// Note that [`Rng::fill`] and `Standard`'s array support are *not* equivalent: +/// the former is optimised for integer types (using fewer RNG calls for +/// element types smaller than the RNG word size), while the latter supports +/// any element type supported by `Standard`. +/// * `Option<T>` first generates a `bool`, and if true generates and returns +/// `Some(value)` where `value: T`, otherwise returning `None`. +/// +/// ## Custom implementations +/// +/// The [`Standard`] distribution may be implemented for user types as follows: +/// +/// ``` +/// # #![allow(dead_code)] +/// use rand::Rng; +/// use rand::distributions::{Distribution, Standard}; +/// +/// struct MyF32 { +/// x: f32, +/// } +/// +/// impl Distribution<MyF32> for Standard { +/// fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> MyF32 { +/// MyF32 { x: rng.gen() } +/// } +/// } +/// ``` +/// +/// ## Example usage +/// ``` +/// use rand::prelude::*; +/// use rand::distributions::Standard; +/// +/// let val: f32 = StdRng::from_entropy().sample(Standard); +/// println!("f32 from [0, 1): {}", val); +/// ``` +/// +/// # Floating point implementation +/// The floating point implementations for `Standard` generate a random value in +/// the half-open interval `[0, 1)`, i.e. including 0 but not 1. +/// +/// All values that can be generated are of the form `n * ε/2`. For `f32` +/// the 24 most significant random bits of a `u32` are used and for `f64` the +/// 53 most significant bits of a `u64` are used. The conversion uses the +/// multiplicative method: `(rng.gen::<$uty>() >> N) as $ty * (ε/2)`. +/// +/// See also: [`Open01`] which samples from `(0, 1)`, [`OpenClosed01`] which +/// samples from `(0, 1]` and `Rng::gen_range(0..1)` which also samples from +/// `[0, 1)`. Note that `Open01` uses transmute-based methods which yield 1 bit +/// less precision but may perform faster on some architectures (on modern Intel +/// CPUs all methods have approximately equal performance). +/// +/// [`Uniform`]: uniform::Uniform +</span><span class="attribute">#[derive(Clone, Copy, Debug)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(serde::Serialize, serde::Deserialize))] +</span><span class="kw">pub struct </span>Standard; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/other.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/other.rs.html new file mode 100644 index 0000000..415f1da --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/other.rs.html @@ -0,0 +1,733 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/other.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>other.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The implementations of the `Standard` distribution for other built-in types. + +</span><span class="kw">use </span>core::char; +<span class="kw">use </span>core::num::Wrapping; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">use </span>alloc::string::String; + +<span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Standard, Uniform}; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::DistString; +<span class="kw">use </span><span class="kw">crate</span>::Rng; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; +<span class="attribute">#[cfg(feature = <span class="string">"min_const_gen"</span>)] +</span><span class="kw">use </span>core::mem::{<span class="self">self</span>, MaybeUninit}; + + +<span class="comment">// ----- Sampling distributions ----- + +</span><span class="doccomment">/// Sample a `u8`, uniformly distributed over ASCII letters and numbers: +/// a-z, A-Z and 0-9. +/// +/// # Example +/// +/// ``` +/// use rand::{Rng, thread_rng}; +/// use rand::distributions::Alphanumeric; +/// +/// let mut rng = thread_rng(); +/// let chars: String = (0..7).map(|_| rng.sample(Alphanumeric) as char).collect(); +/// println!("Random chars: {}", chars); +/// ``` +/// +/// The [`DistString`] trait provides an easier method of generating +/// a random `String`, and offers more efficient allocation: +/// ``` +/// use rand::distributions::{Alphanumeric, DistString}; +/// let string = Alphanumeric.sample_string(&mut rand::thread_rng(), 16); +/// println!("Random string: {}", string); +/// ``` +/// +/// # Passwords +/// +/// Users sometimes ask whether it is safe to use a string of random characters +/// as a password. In principle, all RNGs in Rand implementing `CryptoRng` are +/// suitable as a source of randomness for generating passwords (if they are +/// properly seeded), but it is more conservative to only use randomness +/// directly from the operating system via the `getrandom` crate, or the +/// corresponding bindings of a crypto library. +/// +/// When generating passwords or keys, it is important to consider the threat +/// model and in some cases the memorability of the password. This is out of +/// scope of the Rand project, and therefore we defer to the following +/// references: +/// +/// - [Wikipedia article on Password Strength](https://en.wikipedia.org/wiki/Password_strength) +/// - [Diceware for generating memorable passwords](https://en.wikipedia.org/wiki/Diceware) +</span><span class="attribute">#[derive(Debug, Clone, Copy)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>Alphanumeric; + + +<span class="comment">// ----- Implementations of distributions ----- + +</span><span class="kw">impl </span>Distribution<char> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> char { + <span class="comment">// A valid `char` is either in the interval `[0, 0xD800)` or + // `(0xDFFF, 0x11_0000)`. All `char`s must therefore be in + // `[0, 0x11_0000)` but not in the "gap" `[0xD800, 0xDFFF]` which is + // reserved for surrogates. This is the size of that gap. + </span><span class="kw">const </span>GAP_SIZE: u32 = <span class="number">0xDFFF </span>- <span class="number">0xD800 </span>+ <span class="number">1</span>; + + <span class="comment">// Uniform::new(0, 0x11_0000 - GAP_SIZE) can also be used but it + // seemed slower. + </span><span class="kw">let </span>range = Uniform::new(GAP_SIZE, <span class="number">0x11_0000</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>n = range.sample(rng); + <span class="kw">if </span>n <= <span class="number">0xDFFF </span>{ + n -= GAP_SIZE; + } + <span class="kw">unsafe </span>{ char::from_u32_unchecked(n) } + } +} + +<span class="doccomment">/// Note: the `String` is potentially left with excess capacity; optionally the +/// user may call `string.shrink_to_fit()` afterwards. +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">impl </span>DistString <span class="kw">for </span>Standard { + <span class="kw">fn </span>append_string<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, s: <span class="kw-2">&mut </span>String, len: usize) { + <span class="comment">// A char is encoded with at most four bytes, thus this reservation is + // guaranteed to be sufficient. We do not shrink_to_fit afterwards so + // that repeated usage on the same `String` buffer does not reallocate. + </span>s.reserve(<span class="number">4 </span>* len); + s.extend(Distribution::<char>::sample_iter(<span class="self">self</span>, rng).take(len)); + } +} + +<span class="kw">impl </span>Distribution<u8> <span class="kw">for </span>Alphanumeric { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> u8 { + <span class="kw">const </span>RANGE: u32 = <span class="number">26 </span>+ <span class="number">26 </span>+ <span class="number">10</span>; + <span class="kw">const </span>GEN_ASCII_STR_CHARSET: <span class="kw-2">&</span>[u8] = <span class="string">b"ABCDEFGHIJKLMNOPQRSTUVWXYZ\ + abcdefghijklmnopqrstuvwxyz\ + 0123456789"</span>; + <span class="comment">// We can pick from 62 characters. This is so close to a power of 2, 64, + // that we can do better than `Uniform`. Use a simple bitshift and + // rejection sampling. We do not use a bitmask, because for small RNGs + // the most significant bits are usually of higher quality. + </span><span class="kw">loop </span>{ + <span class="kw">let </span>var = rng.next_u32() >> (<span class="number">32 </span>- <span class="number">6</span>); + <span class="kw">if </span>var < RANGE { + <span class="kw">return </span>GEN_ASCII_STR_CHARSET[var <span class="kw">as </span>usize]; + } + } + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">impl </span>DistString <span class="kw">for </span>Alphanumeric { + <span class="kw">fn </span>append_string<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, string: <span class="kw-2">&mut </span>String, len: usize) { + <span class="kw">unsafe </span>{ + <span class="kw">let </span>v = string.as_mut_vec(); + v.extend(<span class="self">self</span>.sample_iter(rng).take(len)); + } + } +} + +<span class="kw">impl </span>Distribution<bool> <span class="kw">for </span>Standard { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> bool { + <span class="comment">// We can compare against an arbitrary bit of an u32 to get a bool. + // Because the least significant bits of a lower quality RNG can have + // simple patterns, we compare against the most significant bit. This is + // easiest done using a sign test. + </span>(rng.next_u32() <span class="kw">as </span>i32) < <span class="number">0 + </span>} +} + +<span class="macro">macro_rules! </span>tuple_impl { + <span class="comment">// use variables to indicate the arity of the tuple + </span>($(<span class="macro-nonterminal">$tyvar</span>:ident),* ) => { + <span class="comment">// the trailing commas are for the 1 tuple + </span><span class="kw">impl</span>< $( <span class="macro-nonterminal">$tyvar </span>),* > + Distribution<( $( <span class="macro-nonterminal">$tyvar </span>),* , )> + <span class="kw">for </span>Standard + <span class="kw">where </span>$( Standard: Distribution<<span class="macro-nonterminal">$tyvar</span>> ),* + { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, _rng: <span class="kw-2">&mut </span>R) -> ( $( <span class="macro-nonterminal">$tyvar </span>),* , ) { + ( + <span class="comment">// use the $tyvar's to get the appropriate number of + // repeats (they're not actually needed) + </span>$( + _rng.gen::<<span class="macro-nonterminal">$tyvar</span>>() + ),* + , + ) + } + } + } +} + +<span class="kw">impl </span>Distribution<()> <span class="kw">for </span>Standard { + <span class="attribute">#[allow(clippy::unused_unit)] + #[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&mut </span>R) -> () { + () + } +} +<span class="macro">tuple_impl! </span>{A} +<span class="macro">tuple_impl! </span>{A, B} +<span class="macro">tuple_impl! </span>{A, B, C} +<span class="macro">tuple_impl! </span>{A, B, C, D} +<span class="macro">tuple_impl! </span>{A, B, C, D, E} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F, G} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F, G, H} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F, G, H, I} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F, G, H, I, J} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F, G, H, I, J, K} +<span class="macro">tuple_impl! </span>{A, B, C, D, E, F, G, H, I, J, K, L} + +<span class="attribute">#[cfg(feature = <span class="string">"min_const_gen"</span>)] +#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"min_const_gen"</span>)))] +</span><span class="kw">impl</span><T, <span class="kw">const </span>N: usize> Distribution<[T; N]> <span class="kw">for </span>Standard +<span class="kw">where </span>Standard: Distribution<T> +{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, _rng: <span class="kw-2">&mut </span>R) -> [T; N] { + <span class="kw">let </span><span class="kw-2">mut </span>buff: [MaybeUninit<T>; N] = <span class="kw">unsafe </span>{ MaybeUninit::uninit().assume_init() }; + + <span class="kw">for </span>elem <span class="kw">in </span><span class="kw-2">&mut </span>buff { + <span class="kw-2">*</span>elem = MaybeUninit::new(_rng.gen()); + } + + <span class="kw">unsafe </span>{ mem::transmute_copy::<<span class="kw">_</span>, <span class="kw">_</span>>(<span class="kw-2">&</span>buff) } + } +} + +<span class="attribute">#[cfg(not(feature = <span class="string">"min_const_gen"</span>))] +</span><span class="macro">macro_rules! </span>array_impl { + <span class="comment">// recursive, given at least one type parameter: + </span>{<span class="macro-nonterminal">$n</span>:expr, <span class="macro-nonterminal">$t</span>:ident, $(<span class="macro-nonterminal">$ts</span>:ident,)<span class="kw-2">*</span>} => { + <span class="macro">array_impl!</span>{(<span class="macro-nonterminal">$n </span>- <span class="number">1</span>), $(<span class="macro-nonterminal">$ts</span>,)<span class="kw-2">*</span>} + + <span class="kw">impl</span><T> Distribution<[T; <span class="macro-nonterminal">$n</span>]> <span class="kw">for </span>Standard <span class="kw">where </span>Standard: Distribution<T> { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, _rng: <span class="kw-2">&mut </span>R) -> [T; <span class="macro-nonterminal">$n</span>] { + [_rng.gen::<<span class="macro-nonterminal">$t</span>>(), $(_rng.gen::<<span class="macro-nonterminal">$ts</span>>()),<span class="kw-2">*</span>] + } + } + }; + <span class="comment">// empty case: + </span>{<span class="macro-nonterminal">$n</span>:expr,} => { + <span class="kw">impl</span><T> Distribution<[T; <span class="macro-nonterminal">$n</span>]> <span class="kw">for </span>Standard { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, _rng: <span class="kw-2">&mut </span>R) -> [T; <span class="macro-nonterminal">$n</span>] { [] } + } + }; +} + +<span class="attribute">#[cfg(not(feature = <span class="string">"min_const_gen"</span>))] +</span><span class="macro">array_impl! </span>{<span class="number">32</span>, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T,} + +<span class="kw">impl</span><T> Distribution<<span class="prelude-ty">Option</span><T>> <span class="kw">for </span>Standard +<span class="kw">where </span>Standard: Distribution<T> +{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><T> { + <span class="comment">// UFCS is needed here: https://github.com/rust-lang/rust/issues/24066 + </span><span class="kw">if </span>rng.gen::<bool>() { + <span class="prelude-val">Some</span>(rng.gen()) + } <span class="kw">else </span>{ + <span class="prelude-val">None + </span>} + } +} + +<span class="kw">impl</span><T> Distribution<Wrapping<T>> <span class="kw">for </span>Standard +<span class="kw">where </span>Standard: Distribution<T> +{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> Wrapping<T> { + Wrapping(rng.gen()) + } +} + + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="kw">use </span><span class="kw">crate</span>::RngCore; + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>alloc::string::String; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_misc() { + <span class="kw">let </span>rng: <span class="kw-2">&mut </span><span class="kw">dyn </span>RngCore = <span class="kw-2">&mut </span><span class="kw">crate</span>::test::rng(<span class="number">820</span>); + + rng.sample::<char, <span class="kw">_</span>>(Standard); + rng.sample::<bool, <span class="kw">_</span>>(Standard); + } + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + #[test] + </span><span class="kw">fn </span>test_chars() { + <span class="kw">use </span>core::iter; + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">805</span>); + + <span class="comment">// Test by generating a relatively large number of chars, so we also + // take the rejection sampling path. + </span><span class="kw">let </span>word: String = iter::repeat(()) + .map(|()| rng.gen::<char>()) + .take(<span class="number">1000</span>) + .collect(); + <span class="macro">assert!</span>(!word.is_empty()); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_alphanumeric() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">806</span>); + + <span class="comment">// Test by generating a relatively large number of chars, so we also + // take the rejection sampling path. + </span><span class="kw">let </span><span class="kw-2">mut </span>incorrect = <span class="bool-val">false</span>; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>c: char = rng.sample(Alphanumeric).into(); + incorrect |= !((<span class="string">'0'</span>..=<span class="string">'9'</span>).contains(<span class="kw-2">&</span>c) || + (<span class="string">'A'</span>..=<span class="string">'Z'</span>).contains(<span class="kw-2">&</span>c) || + (<span class="string">'a'</span>..=<span class="string">'z'</span>).contains(<span class="kw-2">&</span>c) ); + } + <span class="macro">assert!</span>(!incorrect); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability() { + <span class="kw">fn </span>test_samples<T: Copy + core::fmt::Debug + PartialEq, D: Distribution<T>>( + distr: <span class="kw-2">&</span>D, zero: T, expected: <span class="kw-2">&</span>[T], + ) { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">807</span>); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [zero; <span class="number">5</span>]; + <span class="kw">for </span>x <span class="kw">in </span><span class="kw-2">&mut </span>buf { + <span class="kw-2">*</span>x = rng.sample(<span class="kw-2">&</span>distr); + } + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>buf, expected); + } + + test_samples(<span class="kw-2">&</span>Standard, <span class="string">'a'</span>, <span class="kw-2">&</span>[ + <span class="string">'\u{8cdac}'</span>, + <span class="string">'\u{a346a}'</span>, + <span class="string">'\u{80120}'</span>, + <span class="string">'\u{ed692}'</span>, + <span class="string">'\u{35888}'</span>, + ]); + test_samples(<span class="kw-2">&</span>Alphanumeric, <span class="number">0</span>, <span class="kw-2">&</span>[<span class="number">104</span>, <span class="number">109</span>, <span class="number">101</span>, <span class="number">51</span>, <span class="number">77</span>]); + test_samples(<span class="kw-2">&</span>Standard, <span class="bool-val">false</span>, <span class="kw-2">&</span>[<span class="bool-val">true</span>, <span class="bool-val">true</span>, <span class="bool-val">false</span>, <span class="bool-val">true</span>, <span class="bool-val">false</span>]); + test_samples(<span class="kw-2">&</span>Standard, <span class="prelude-val">None </span><span class="kw">as </span><span class="prelude-ty">Option</span><bool>, <span class="kw-2">&</span>[ + <span class="prelude-val">Some</span>(<span class="bool-val">true</span>), + <span class="prelude-val">None</span>, + <span class="prelude-val">Some</span>(<span class="bool-val">false</span>), + <span class="prelude-val">None</span>, + <span class="prelude-val">Some</span>(<span class="bool-val">false</span>), + ]); + test_samples(<span class="kw-2">&</span>Standard, Wrapping(<span class="number">0i32</span>), <span class="kw-2">&</span>[ + Wrapping(-<span class="number">2074640887</span>), + Wrapping(-<span class="number">1719949321</span>), + Wrapping(<span class="number">2018088303</span>), + Wrapping(-<span class="number">547181756</span>), + Wrapping(<span class="number">838957336</span>), + ]); + + <span class="comment">// We test only sub-sets of tuple and array impls + </span>test_samples(<span class="kw-2">&</span>Standard, (), <span class="kw-2">&</span>[(), (), (), (), ()]); + test_samples(<span class="kw-2">&</span>Standard, (<span class="bool-val">false</span>,), <span class="kw-2">&</span>[ + (<span class="bool-val">true</span>,), + (<span class="bool-val">true</span>,), + (<span class="bool-val">false</span>,), + (<span class="bool-val">true</span>,), + (<span class="bool-val">false</span>,), + ]); + test_samples(<span class="kw-2">&</span>Standard, (<span class="bool-val">false</span>, <span class="bool-val">false</span>), <span class="kw-2">&</span>[ + (<span class="bool-val">true</span>, <span class="bool-val">true</span>), + (<span class="bool-val">false</span>, <span class="bool-val">true</span>), + (<span class="bool-val">false</span>, <span class="bool-val">false</span>), + (<span class="bool-val">true</span>, <span class="bool-val">false</span>), + (<span class="bool-val">false</span>, <span class="bool-val">false</span>), + ]); + + test_samples(<span class="kw-2">&</span>Standard, [<span class="number">0u8</span>; <span class="number">0</span>], <span class="kw-2">&</span>[[], [], [], [], []]); + test_samples(<span class="kw-2">&</span>Standard, [<span class="number">0u8</span>; <span class="number">3</span>], <span class="kw-2">&</span>[ + [<span class="number">9</span>, <span class="number">247</span>, <span class="number">111</span>], + [<span class="number">68</span>, <span class="number">24</span>, <span class="number">13</span>], + [<span class="number">174</span>, <span class="number">19</span>, <span class="number">194</span>], + [<span class="number">172</span>, <span class="number">69</span>, <span class="number">213</span>], + [<span class="number">149</span>, <span class="number">207</span>, <span class="number">29</span>], + ]); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/slice.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/slice.rs.html new file mode 100644 index 0000000..2f43484 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/slice.rs.html @@ -0,0 +1,237 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/slice.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>slice.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2021 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Uniform}; + +<span class="doccomment">/// A distribution to sample items uniformly from a slice. +/// +/// [`Slice::new`] constructs a distribution referencing a slice and uniformly +/// samples references from the items in the slice. It may do extra work up +/// front to make sampling of multiple values faster; if only one sample from +/// the slice is required, [`SliceRandom::choose`] can be more efficient. +/// +/// Steps are taken to avoid bias which might be present in naive +/// implementations; for example `slice[rng.gen() % slice.len()]` samples from +/// the slice, but may be more likely to select numbers in the low range than +/// other values. +/// +/// This distribution samples with replacement; each sample is independent. +/// Sampling without replacement requires state to be retained, and therefore +/// cannot be handled by a distribution; you should instead consider methods +/// on [`SliceRandom`], such as [`SliceRandom::choose_multiple`]. +/// +/// # Example +/// +/// ``` +/// use rand::Rng; +/// use rand::distributions::Slice; +/// +/// let vowels = ['a', 'e', 'i', 'o', 'u']; +/// let vowels_dist = Slice::new(&vowels).unwrap(); +/// let rng = rand::thread_rng(); +/// +/// // build a string of 10 vowels +/// let vowel_string: String = rng +/// .sample_iter(&vowels_dist) +/// .take(10) +/// .collect(); +/// +/// println!("{}", vowel_string); +/// assert_eq!(vowel_string.len(), 10); +/// assert!(vowel_string.chars().all(|c| vowels.contains(&c))); +/// ``` +/// +/// For a single sample, [`SliceRandom::choose`][crate::seq::SliceRandom::choose] +/// may be preferred: +/// +/// ``` +/// use rand::seq::SliceRandom; +/// +/// let vowels = ['a', 'e', 'i', 'o', 'u']; +/// let mut rng = rand::thread_rng(); +/// +/// println!("{}", vowels.choose(&mut rng).unwrap()) +/// ``` +/// +/// [`SliceRandom`]: crate::seq::SliceRandom +/// [`SliceRandom::choose`]: crate::seq::SliceRandom::choose +/// [`SliceRandom::choose_multiple`]: crate::seq::SliceRandom::choose_multiple +</span><span class="attribute">#[derive(Debug, Clone, Copy)] +</span><span class="kw">pub struct </span>Slice<<span class="lifetime">'a</span>, T> { + slice: <span class="kw-2">&</span><span class="lifetime">'a </span>[T], + range: Uniform<usize>, +} + +<span class="kw">impl</span><<span class="lifetime">'a</span>, T> Slice<<span class="lifetime">'a</span>, T> { + <span class="doccomment">/// Create a new `Slice` instance which samples uniformly from the slice. + /// Returns `Err` if the slice is empty. + </span><span class="kw">pub fn </span>new(slice: <span class="kw-2">&</span><span class="lifetime">'a </span>[T]) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, EmptySlice> { + <span class="kw">match </span>slice.len() { + <span class="number">0 </span>=> <span class="prelude-val">Err</span>(EmptySlice), + len => <span class="prelude-val">Ok</span>(<span class="self">Self </span>{ + slice, + range: Uniform::new(<span class="number">0</span>, len), + }), + } + } +} + +<span class="kw">impl</span><<span class="lifetime">'a</span>, T> Distribution<<span class="kw-2">&</span><span class="lifetime">'a </span>T> <span class="kw">for </span>Slice<<span class="lifetime">'a</span>, T> { + <span class="kw">fn </span>sample<R: <span class="kw">crate</span>::Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="kw-2">&</span><span class="lifetime">'a </span>T { + <span class="kw">let </span>idx = <span class="self">self</span>.range.sample(rng); + + <span class="macro">debug_assert!</span>( + idx < <span class="self">self</span>.slice.len(), + <span class="string">"Uniform::new(0, {}) somehow returned {}"</span>, + <span class="self">self</span>.slice.len(), + idx + ); + + <span class="comment">// Safety: at construction time, it was ensured that the slice was + // non-empty, and that the `Uniform` range produces values in range + // for the slice + </span><span class="kw">unsafe </span>{ <span class="self">self</span>.slice.get_unchecked(idx) } + } +} + +<span class="doccomment">/// Error type indicating that a [`Slice`] distribution was improperly +/// constructed with an empty slice. +</span><span class="attribute">#[derive(Debug, Clone, Copy)] +</span><span class="kw">pub struct </span>EmptySlice; + +<span class="kw">impl </span>core::fmt::Display <span class="kw">for </span>EmptySlice { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>core::fmt::Formatter<<span class="lifetime">'_</span>>) -> core::fmt::Result { + <span class="macro">write!</span>( + f, + <span class="string">"Tried to create a `distributions::Slice` with an empty slice" + </span>) + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>std::error::Error <span class="kw">for </span>EmptySlice {} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/uniform.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/uniform.rs.html new file mode 100644 index 0000000..72d0ba1 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/uniform.rs.html @@ -0,0 +1,3319 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/uniform.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>uniform.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> 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id="1613">1613</span> +<span id="1614">1614</span> +<span id="1615">1615</span> +<span id="1616">1616</span> +<span id="1617">1617</span> +<span id="1618">1618</span> +<span id="1619">1619</span> +<span id="1620">1620</span> +<span id="1621">1621</span> +<span id="1622">1622</span> +<span id="1623">1623</span> +<span id="1624">1624</span> +<span id="1625">1625</span> +<span id="1626">1626</span> +<span id="1627">1627</span> +<span id="1628">1628</span> +<span id="1629">1629</span> +<span id="1630">1630</span> +<span id="1631">1631</span> +<span id="1632">1632</span> +<span id="1633">1633</span> +<span id="1634">1634</span> +<span id="1635">1635</span> +<span id="1636">1636</span> +<span id="1637">1637</span> +<span id="1638">1638</span> +<span id="1639">1639</span> +<span id="1640">1640</span> +<span id="1641">1641</span> +<span id="1642">1642</span> +<span id="1643">1643</span> +<span id="1644">1644</span> +<span id="1645">1645</span> +<span id="1646">1646</span> +<span id="1647">1647</span> +<span id="1648">1648</span> +<span id="1649">1649</span> +<span id="1650">1650</span> +<span id="1651">1651</span> +<span id="1652">1652</span> +<span id="1653">1653</span> +<span id="1654">1654</span> +<span id="1655">1655</span> +<span id="1656">1656</span> +<span id="1657">1657</span> +<span id="1658">1658</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018-2020 Developers of the Rand project. +// Copyright 2017 The Rust Project Developers. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! A distribution uniformly sampling numbers within a given range. +//! +//! [`Uniform`] is the standard distribution to sample uniformly from a range; +//! e.g. `Uniform::new_inclusive(1, 6)` can sample integers from 1 to 6, like a +//! standard die. [`Rng::gen_range`] supports any type supported by +//! [`Uniform`]. +//! +//! This distribution is provided with support for several primitive types +//! (all integer and floating-point types) as well as [`std::time::Duration`], +//! and supports extension to user-defined types via a type-specific *back-end* +//! implementation. +//! +//! The types [`UniformInt`], [`UniformFloat`] and [`UniformDuration`] are the +//! back-ends supporting sampling from primitive integer and floating-point +//! ranges as well as from [`std::time::Duration`]; these types do not normally +//! need to be used directly (unless implementing a derived back-end). +//! +//! # Example usage +//! +//! ``` +//! use rand::{Rng, thread_rng}; +//! use rand::distributions::Uniform; +//! +//! let mut rng = thread_rng(); +//! let side = Uniform::new(-10.0, 10.0); +//! +//! // sample between 1 and 10 points +//! for _ in 0..rng.gen_range(1..=10) { +//! // sample a point from the square with sides -10 - 10 in two dimensions +//! let (x, y) = (rng.sample(side), rng.sample(side)); +//! println!("Point: {}, {}", x, y); +//! } +//! ``` +//! +//! # Extending `Uniform` to support a custom type +//! +//! To extend [`Uniform`] to support your own types, write a back-end which +//! implements the [`UniformSampler`] trait, then implement the [`SampleUniform`] +//! helper trait to "register" your back-end. See the `MyF32` example below. +//! +//! At a minimum, the back-end needs to store any parameters needed for sampling +//! (e.g. the target range) and implement `new`, `new_inclusive` and `sample`. +//! Those methods should include an assert to check the range is valid (i.e. +//! `low < high`). The example below merely wraps another back-end. +//! +//! The `new`, `new_inclusive` and `sample_single` functions use arguments of +//! type SampleBorrow<X> in order to support passing in values by reference or +//! by value. In the implementation of these functions, you can choose to +//! simply use the reference returned by [`SampleBorrow::borrow`], or you can choose +//! to copy or clone the value, whatever is appropriate for your type. +//! +//! ``` +//! use rand::prelude::*; +//! use rand::distributions::uniform::{Uniform, SampleUniform, +//! UniformSampler, UniformFloat, SampleBorrow}; +//! +//! struct MyF32(f32); +//! +//! #[derive(Clone, Copy, Debug)] +//! struct UniformMyF32(UniformFloat<f32>); +//! +//! impl UniformSampler for UniformMyF32 { +//! type X = MyF32; +//! fn new<B1, B2>(low: B1, high: B2) -> Self +//! where B1: SampleBorrow<Self::X> + Sized, +//! B2: SampleBorrow<Self::X> + Sized +//! { +//! UniformMyF32(UniformFloat::<f32>::new(low.borrow().0, high.borrow().0)) +//! } +//! fn new_inclusive<B1, B2>(low: B1, high: B2) -> Self +//! where B1: SampleBorrow<Self::X> + Sized, +//! B2: SampleBorrow<Self::X> + Sized +//! { +//! UniformMyF32(UniformFloat::<f32>::new_inclusive( +//! low.borrow().0, +//! high.borrow().0, +//! )) +//! } +//! fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> Self::X { +//! MyF32(self.0.sample(rng)) +//! } +//! } +//! +//! impl SampleUniform for MyF32 { +//! type Sampler = UniformMyF32; +//! } +//! +//! let (low, high) = (MyF32(17.0f32), MyF32(22.0f32)); +//! let uniform = Uniform::new(low, high); +//! let x = uniform.sample(&mut thread_rng()); +//! ``` +//! +//! [`SampleUniform`]: crate::distributions::uniform::SampleUniform +//! [`UniformSampler`]: crate::distributions::uniform::UniformSampler +//! [`UniformInt`]: crate::distributions::uniform::UniformInt +//! [`UniformFloat`]: crate::distributions::uniform::UniformFloat +//! [`UniformDuration`]: crate::distributions::uniform::UniformDuration +//! [`SampleBorrow::borrow`]: crate::distributions::uniform::SampleBorrow::borrow + +</span><span class="kw">use </span>core::time::Duration; +<span class="kw">use </span>core::ops::{Range, RangeInclusive}; + +<span class="kw">use </span><span class="kw">crate</span>::distributions::float::IntoFloat; +<span class="kw">use </span><span class="kw">crate</span>::distributions::utils::{BoolAsSIMD, FloatAsSIMD, FloatSIMDUtils, WideningMultiply}; +<span class="kw">use </span><span class="kw">crate</span>::distributions::Distribution; +<span class="kw">use crate</span>::{Rng, RngCore}; + +<span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] +#[allow(unused_imports)] </span><span class="comment">// rustc doesn't detect that this is actually used +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::utils::Float; + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] </span><span class="kw">use </span>packed_simd::<span class="kw-2">*</span>; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; + +<span class="doccomment">/// Sample values uniformly between two bounds. +/// +/// [`Uniform::new`] and [`Uniform::new_inclusive`] construct a uniform +/// distribution sampling from the given range; these functions may do extra +/// work up front to make sampling of multiple values faster. If only one sample +/// from the range is required, [`Rng::gen_range`] can be more efficient. +/// +/// When sampling from a constant range, many calculations can happen at +/// compile-time and all methods should be fast; for floating-point ranges and +/// the full range of integer types this should have comparable performance to +/// the `Standard` distribution. +/// +/// Steps are taken to avoid bias which might be present in naive +/// implementations; for example `rng.gen::<u8>() % 170` samples from the range +/// `[0, 169]` but is twice as likely to select numbers less than 85 than other +/// values. Further, the implementations here give more weight to the high-bits +/// generated by the RNG than the low bits, since with some RNGs the low-bits +/// are of lower quality than the high bits. +/// +/// Implementations must sample in `[low, high)` range for +/// `Uniform::new(low, high)`, i.e., excluding `high`. In particular, care must +/// be taken to ensure that rounding never results values `< low` or `>= high`. +/// +/// # Example +/// +/// ``` +/// use rand::distributions::{Distribution, Uniform}; +/// +/// let between = Uniform::from(10..10000); +/// let mut rng = rand::thread_rng(); +/// let mut sum = 0; +/// for _ in 0..1000 { +/// sum += between.sample(&mut rng); +/// } +/// println!("{}", sum); +/// ``` +/// +/// For a single sample, [`Rng::gen_range`] may be preferred: +/// +/// ``` +/// use rand::Rng; +/// +/// let mut rng = rand::thread_rng(); +/// println!("{}", rng.gen_range(0..10)); +/// ``` +/// +/// [`new`]: Uniform::new +/// [`new_inclusive`]: Uniform::new_inclusive +/// [`Rng::gen_range`]: Rng::gen_range +</span><span class="attribute">#[derive(Clone, Copy, Debug, PartialEq)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +#[cfg_attr(feature = <span class="string">"serde1"</span>, serde(bound(serialize = <span class="string">"X::Sampler: Serialize"</span>)))] +#[cfg_attr(feature = <span class="string">"serde1"</span>, serde(bound(deserialize = <span class="string">"X::Sampler: Deserialize<'de>"</span>)))] +</span><span class="kw">pub struct </span>Uniform<X: SampleUniform>(X::Sampler); + +<span class="kw">impl</span><X: SampleUniform> Uniform<X> { + <span class="doccomment">/// Create a new `Uniform` instance which samples uniformly from the half + /// open range `[low, high)` (excluding `high`). Panics if `low >= high`. + </span><span class="kw">pub fn </span>new<B1, B2>(low: B1, high: B2) -> Uniform<X> + <span class="kw">where + </span>B1: SampleBorrow<X> + Sized, + B2: SampleBorrow<X> + Sized, + { + Uniform(X::Sampler::new(low, high)) + } + + <span class="doccomment">/// Create a new `Uniform` instance which samples uniformly from the closed + /// range `[low, high]` (inclusive). Panics if `low > high`. + </span><span class="kw">pub fn </span>new_inclusive<B1, B2>(low: B1, high: B2) -> Uniform<X> + <span class="kw">where + </span>B1: SampleBorrow<X> + Sized, + B2: SampleBorrow<X> + Sized, + { + Uniform(X::Sampler::new_inclusive(low, high)) + } +} + +<span class="kw">impl</span><X: SampleUniform> Distribution<X> <span class="kw">for </span>Uniform<X> { + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> X { + <span class="self">self</span>.<span class="number">0</span>.sample(rng) + } +} + +<span class="doccomment">/// Helper trait for creating objects using the correct implementation of +/// [`UniformSampler`] for the sampling type. +/// +/// See the [module documentation] on how to implement [`Uniform`] range +/// sampling for a custom type. +/// +/// [module documentation]: crate::distributions::uniform +</span><span class="kw">pub trait </span>SampleUniform: Sized { + <span class="doccomment">/// The `UniformSampler` implementation supporting type `X`. + </span><span class="kw">type </span>Sampler: UniformSampler<X = <span class="self">Self</span>>; +} + +<span class="doccomment">/// Helper trait handling actual uniform sampling. +/// +/// See the [module documentation] on how to implement [`Uniform`] range +/// sampling for a custom type. +/// +/// Implementation of [`sample_single`] is optional, and is only useful when +/// the implementation can be faster than `Self::new(low, high).sample(rng)`. +/// +/// [module documentation]: crate::distributions::uniform +/// [`sample_single`]: UniformSampler::sample_single +</span><span class="kw">pub trait </span>UniformSampler: Sized { + <span class="doccomment">/// The type sampled by this implementation. + </span><span class="kw">type </span>X; + + <span class="doccomment">/// Construct self, with inclusive lower bound and exclusive upper bound + /// `[low, high)`. + /// + /// Usually users should not call this directly but instead use + /// `Uniform::new`, which asserts that `low < high` before calling this. + </span><span class="kw">fn </span>new<B1, B2>(low: B1, high: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized; + + <span class="doccomment">/// Construct self, with inclusive bounds `[low, high]`. + /// + /// Usually users should not call this directly but instead use + /// `Uniform::new_inclusive`, which asserts that `low <= high` before + /// calling this. + </span><span class="kw">fn </span>new_inclusive<B1, B2>(low: B1, high: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized; + + <span class="doccomment">/// Sample a value. + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X; + + <span class="doccomment">/// Sample a single value uniformly from a range with inclusive lower bound + /// and exclusive upper bound `[low, high)`. + /// + /// By default this is implemented using + /// `UniformSampler::new(low, high).sample(rng)`. However, for some types + /// more optimal implementations for single usage may be provided via this + /// method (which is the case for integers and floats). + /// Results may not be identical. + /// + /// Note that to use this method in a generic context, the type needs to be + /// retrieved via `SampleUniform::Sampler` as follows: + /// ``` + /// use rand::{thread_rng, distributions::uniform::{SampleUniform, UniformSampler}}; + /// # #[allow(unused)] + /// fn sample_from_range<T: SampleUniform>(lb: T, ub: T) -> T { + /// let mut rng = thread_rng(); + /// <T as SampleUniform>::Sampler::sample_single(lb, ub, &mut rng) + /// } + /// ``` + </span><span class="kw">fn </span>sample_single<R: Rng + <span class="question-mark">?</span>Sized, B1, B2>(low: B1, high: B2, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X + <span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>uniform: <span class="self">Self </span>= UniformSampler::new(low, high); + uniform.sample(rng) + } + + <span class="doccomment">/// Sample a single value uniformly from a range with inclusive lower bound + /// and inclusive upper bound `[low, high]`. + /// + /// By default this is implemented using + /// `UniformSampler::new_inclusive(low, high).sample(rng)`. However, for + /// some types more optimal implementations for single usage may be provided + /// via this method. + /// Results may not be identical. + </span><span class="kw">fn </span>sample_single_inclusive<R: Rng + <span class="question-mark">?</span>Sized, B1, B2>(low: B1, high: B2, rng: <span class="kw-2">&mut </span>R) + -> <span class="self">Self</span>::X + <span class="kw">where </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized + { + <span class="kw">let </span>uniform: <span class="self">Self </span>= UniformSampler::new_inclusive(low, high); + uniform.sample(rng) + } +} + +<span class="kw">impl</span><X: SampleUniform> From<Range<X>> <span class="kw">for </span>Uniform<X> { + <span class="kw">fn </span>from(r: ::core::ops::Range<X>) -> Uniform<X> { + Uniform::new(r.start, r.end) + } +} + +<span class="kw">impl</span><X: SampleUniform> From<RangeInclusive<X>> <span class="kw">for </span>Uniform<X> { + <span class="kw">fn </span>from(r: ::core::ops::RangeInclusive<X>) -> Uniform<X> { + Uniform::new_inclusive(r.start(), r.end()) + } +} + + +<span class="doccomment">/// Helper trait similar to [`Borrow`] but implemented +/// only for SampleUniform and references to SampleUniform in +/// order to resolve ambiguity issues. +/// +/// [`Borrow`]: std::borrow::Borrow +</span><span class="kw">pub trait </span>SampleBorrow<Borrowed> { + <span class="doccomment">/// Immutably borrows from an owned value. See [`Borrow::borrow`] + /// + /// [`Borrow::borrow`]: std::borrow::Borrow::borrow + </span><span class="kw">fn </span>borrow(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Borrowed; +} +<span class="kw">impl</span><Borrowed> SampleBorrow<Borrowed> <span class="kw">for </span>Borrowed +<span class="kw">where </span>Borrowed: SampleUniform +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>borrow(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Borrowed { + <span class="self">self + </span>} +} +<span class="kw">impl</span><<span class="lifetime">'a</span>, Borrowed> SampleBorrow<Borrowed> <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>Borrowed +<span class="kw">where </span>Borrowed: SampleUniform +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>borrow(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Borrowed { + <span class="kw-2">*</span><span class="self">self + </span>} +} + +<span class="doccomment">/// Range that supports generating a single sample efficiently. +/// +/// Any type implementing this trait can be used to specify the sampled range +/// for `Rng::gen_range`. +</span><span class="kw">pub trait </span>SampleRange<T> { + <span class="doccomment">/// Generate a sample from the given range. + </span><span class="kw">fn </span>sample_single<R: RngCore + <span class="question-mark">?</span>Sized>(<span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> T; + + <span class="doccomment">/// Check whether the range is empty. + </span><span class="kw">fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool; +} + +<span class="kw">impl</span><T: SampleUniform + PartialOrd> SampleRange<T> <span class="kw">for </span>Range<T> { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample_single<R: RngCore + <span class="question-mark">?</span>Sized>(<span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> T { + T::Sampler::sample_single(<span class="self">self</span>.start, <span class="self">self</span>.end, rng) + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool { + !(<span class="self">self</span>.start < <span class="self">self</span>.end) + } +} + +<span class="kw">impl</span><T: SampleUniform + PartialOrd> SampleRange<T> <span class="kw">for </span>RangeInclusive<T> { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample_single<R: RngCore + <span class="question-mark">?</span>Sized>(<span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> T { + T::Sampler::sample_single_inclusive(<span class="self">self</span>.start(), <span class="self">self</span>.end(), rng) + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool { + !(<span class="self">self</span>.start() <= <span class="self">self</span>.end()) + } +} + + +<span class="comment">//////////////////////////////////////////////////////////////////////////////// + +// What follows are all back-ends. + + +</span><span class="doccomment">/// The back-end implementing [`UniformSampler`] for integer types. +/// +/// Unless you are implementing [`UniformSampler`] for your own type, this type +/// should not be used directly, use [`Uniform`] instead. +/// +/// # Implementation notes +/// +/// For simplicity, we use the same generic struct `UniformInt<X>` for all +/// integer types `X`. This gives us only one field type, `X`; to store unsigned +/// values of this size, we take use the fact that these conversions are no-ops. +/// +/// For a closed range, the number of possible numbers we should generate is +/// `range = (high - low + 1)`. To avoid bias, we must ensure that the size of +/// our sample space, `zone`, is a multiple of `range`; other values must be +/// rejected (by replacing with a new random sample). +/// +/// As a special case, we use `range = 0` to represent the full range of the +/// result type (i.e. for `new_inclusive($ty::MIN, $ty::MAX)`). +/// +/// The optimum `zone` is the largest product of `range` which fits in our +/// (unsigned) target type. We calculate this by calculating how many numbers we +/// must reject: `reject = (MAX + 1) % range = (MAX - range + 1) % range`. Any (large) +/// product of `range` will suffice, thus in `sample_single` we multiply by a +/// power of 2 via bit-shifting (faster but may cause more rejections). +/// +/// The smallest integer PRNGs generate is `u32`. For 8- and 16-bit outputs we +/// use `u32` for our `zone` and samples (because it's not slower and because +/// it reduces the chance of having to reject a sample). In this case we cannot +/// store `zone` in the target type since it is too large, however we know +/// `ints_to_reject < range <= $unsigned::MAX`. +/// +/// An alternative to using a modulus is widening multiply: After a widening +/// multiply by `range`, the result is in the high word. Then comparing the low +/// word against `zone` makes sure our distribution is uniform. +</span><span class="attribute">#[derive(Clone, Copy, Debug, PartialEq)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>UniformInt<X> { + low: X, + range: X, + z: X, <span class="comment">// either ints_to_reject or zone depending on implementation +</span>} + +<span class="macro">macro_rules! </span>uniform_int_impl { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$unsigned</span>:ident, <span class="macro-nonterminal">$u_large</span>:ident) => { + <span class="kw">impl </span>SampleUniform <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Sampler = UniformInt<<span class="macro-nonterminal">$ty</span>>; + } + + <span class="kw">impl </span>UniformSampler <span class="kw">for </span>UniformInt<<span class="macro-nonterminal">$ty</span>> { + <span class="comment">// We play free and fast with unsigned vs signed here + // (when $ty is signed), but that's fine, since the + // contract of this macro is for $ty and $unsigned to be + // "bit-equal", so casting between them is a no-op. + + </span><span class="kw">type </span>X = <span class="macro-nonterminal">$ty</span>; + + <span class="attribute">#[inline] </span><span class="comment">// if the range is constant, this helps LLVM to do the + // calculations at compile-time. + </span><span class="kw">fn </span>new<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>(low < high, <span class="string">"Uniform::new called with `low >= high`"</span>); + UniformSampler::new_inclusive(low, high - <span class="number">1</span>) + } + + <span class="attribute">#[inline] </span><span class="comment">// if the range is constant, this helps LLVM to do the + // calculations at compile-time. + </span><span class="kw">fn </span>new_inclusive<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>( + low <= high, + <span class="string">"Uniform::new_inclusive called with `low > high`" + </span>); + <span class="kw">let </span>unsigned_max = ::core::<span class="macro-nonterminal">$u_large::MAX</span>; + + <span class="kw">let </span>range = high.wrapping_sub(low).wrapping_add(<span class="number">1</span>) <span class="kw">as </span><span class="macro-nonterminal">$unsigned</span>; + <span class="kw">let </span>ints_to_reject = <span class="kw">if </span>range > <span class="number">0 </span>{ + <span class="kw">let </span>range = <span class="macro-nonterminal">$u_large::from</span>(range); + (unsigned_max - range + <span class="number">1</span>) % range + } <span class="kw">else </span>{ + <span class="number">0 + </span>}; + + UniformInt { + low, + <span class="comment">// These are really $unsigned values, but store as $ty: + </span>range: range <span class="kw">as </span><span class="macro-nonterminal">$ty</span>, + z: ints_to_reject <span class="kw">as </span><span class="macro-nonterminal">$unsigned </span><span class="kw">as </span><span class="macro-nonterminal">$ty</span>, + } + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X { + <span class="kw">let </span>range = <span class="self">self</span>.range <span class="kw">as </span><span class="macro-nonterminal">$unsigned </span><span class="kw">as </span><span class="macro-nonterminal">$u_large</span>; + <span class="kw">if </span>range > <span class="number">0 </span>{ + <span class="kw">let </span>unsigned_max = ::core::<span class="macro-nonterminal">$u_large::MAX</span>; + <span class="kw">let </span>zone = unsigned_max - (<span class="self">self</span>.z <span class="kw">as </span><span class="macro-nonterminal">$unsigned </span><span class="kw">as </span><span class="macro-nonterminal">$u_large</span>); + <span class="kw">loop </span>{ + <span class="kw">let </span>v: <span class="macro-nonterminal">$u_large </span>= rng.gen(); + <span class="kw">let </span>(hi, lo) = v.wmul(range); + <span class="kw">if </span>lo <= zone { + <span class="kw">return </span><span class="self">self</span>.low.wrapping_add(hi <span class="kw">as </span><span class="macro-nonterminal">$ty</span>); + } + } + } <span class="kw">else </span>{ + <span class="comment">// Sample from the entire integer range. + </span>rng.gen() + } + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample_single<R: Rng + <span class="question-mark">?</span>Sized, B1, B2>(low_b: B1, high_b: B2, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X + <span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>(low < high, <span class="string">"UniformSampler::sample_single: low >= high"</span>); + <span class="self">Self</span>::sample_single_inclusive(low, high - <span class="number">1</span>, rng) + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample_single_inclusive<R: Rng + <span class="question-mark">?</span>Sized, B1, B2>(low_b: B1, high_b: B2, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X + <span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>(low <= high, <span class="string">"UniformSampler::sample_single_inclusive: low > high"</span>); + <span class="kw">let </span>range = high.wrapping_sub(low).wrapping_add(<span class="number">1</span>) <span class="kw">as </span><span class="macro-nonterminal">$unsigned </span><span class="kw">as </span><span class="macro-nonterminal">$u_large</span>; + <span class="comment">// If the above resulted in wrap-around to 0, the range is $ty::MIN..=$ty::MAX, + // and any integer will do. + </span><span class="kw">if </span>range == <span class="number">0 </span>{ + <span class="kw">return </span>rng.gen(); + } + + <span class="kw">let </span>zone = <span class="kw">if </span>::core::<span class="macro-nonterminal">$unsigned::MAX </span><= ::core::u16::MAX <span class="kw">as </span><span class="macro-nonterminal">$unsigned </span>{ + <span class="comment">// Using a modulus is faster than the approximation for + // i8 and i16. I suppose we trade the cost of one + // modulus for near-perfect branch prediction. + </span><span class="kw">let </span>unsigned_max: <span class="macro-nonterminal">$u_large </span>= ::core::<span class="macro-nonterminal">$u_large::MAX</span>; + <span class="kw">let </span>ints_to_reject = (unsigned_max - range + <span class="number">1</span>) % range; + unsigned_max - ints_to_reject + } <span class="kw">else </span>{ + <span class="comment">// conservative but fast approximation. `- 1` is necessary to allow the + // same comparison without bias. + </span>(range << range.leading_zeros()).wrapping_sub(<span class="number">1</span>) + }; + + <span class="kw">loop </span>{ + <span class="kw">let </span>v: <span class="macro-nonterminal">$u_large </span>= rng.gen(); + <span class="kw">let </span>(hi, lo) = v.wmul(range); + <span class="kw">if </span>lo <= zone { + <span class="kw">return </span>low.wrapping_add(hi <span class="kw">as </span><span class="macro-nonterminal">$ty</span>); + } + } + } + } + }; +} + +<span class="macro">uniform_int_impl! </span>{ i8, u8, u32 } +<span class="macro">uniform_int_impl! </span>{ i16, u16, u32 } +<span class="macro">uniform_int_impl! </span>{ i32, u32, u32 } +<span class="macro">uniform_int_impl! </span>{ i64, u64, u64 } +<span class="macro">uniform_int_impl! </span>{ i128, u128, u128 } +<span class="macro">uniform_int_impl! </span>{ isize, usize, usize } +<span class="macro">uniform_int_impl! </span>{ u8, u8, u32 } +<span class="macro">uniform_int_impl! </span>{ u16, u16, u32 } +<span class="macro">uniform_int_impl! </span>{ u32, u32, u32 } +<span class="macro">uniform_int_impl! </span>{ u64, u64, u64 } +<span class="macro">uniform_int_impl! </span>{ usize, usize, usize } +<span class="macro">uniform_int_impl! </span>{ u128, u128, u128 } + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">macro_rules! </span>uniform_simd_int_impl { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$unsigned</span>:ident, <span class="macro-nonterminal">$u_scalar</span>:ident) => { + <span class="comment">// The "pick the largest zone that can fit in an `u32`" optimization + // is less useful here. Multiple lanes complicate things, we don't + // know the PRNG's minimal output size, and casting to a larger vector + // is generally a bad idea for SIMD performance. The user can still + // implement it manually. + + // TODO: look into `Uniform::<u32x4>::new(0u32, 100)` functionality + // perhaps `impl SampleUniform for $u_scalar`? + </span><span class="kw">impl </span>SampleUniform <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Sampler = UniformInt<<span class="macro-nonterminal">$ty</span>>; + } + + <span class="kw">impl </span>UniformSampler <span class="kw">for </span>UniformInt<<span class="macro-nonterminal">$ty</span>> { + <span class="kw">type </span>X = <span class="macro-nonterminal">$ty</span>; + + <span class="attribute">#[inline] </span><span class="comment">// if the range is constant, this helps LLVM to do the + // calculations at compile-time. + </span><span class="kw">fn </span>new<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>(low.lt(high).all(), <span class="string">"Uniform::new called with `low >= high`"</span>); + UniformSampler::new_inclusive(low, high - <span class="number">1</span>) + } + + <span class="attribute">#[inline] </span><span class="comment">// if the range is constant, this helps LLVM to do the + // calculations at compile-time. + </span><span class="kw">fn </span>new_inclusive<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>(low.le(high).all(), + <span class="string">"Uniform::new_inclusive called with `low > high`"</span>); + <span class="kw">let </span>unsigned_max = ::core::<span class="macro-nonterminal">$u_scalar::MAX</span>; + + <span class="comment">// NOTE: these may need to be replaced with explicitly + // wrapping operations if `packed_simd` changes + </span><span class="kw">let </span>range: <span class="macro-nonterminal">$unsigned </span>= ((high - low) + <span class="number">1</span>).cast(); + <span class="comment">// `% 0` will panic at runtime. + </span><span class="kw">let </span>not_full_range = range.gt(<span class="macro-nonterminal">$unsigned::splat</span>(<span class="number">0</span>)); + <span class="comment">// replacing 0 with `unsigned_max` allows a faster `select` + // with bitwise OR + </span><span class="kw">let </span>modulo = not_full_range.select(range, <span class="macro-nonterminal">$unsigned::splat</span>(unsigned_max)); + <span class="comment">// wrapping addition + </span><span class="kw">let </span>ints_to_reject = (unsigned_max - range + <span class="number">1</span>) % modulo; + <span class="comment">// When `range` is 0, `lo` of `v.wmul(range)` will always be + // zero which means only one sample is needed. + </span><span class="kw">let </span>zone = unsigned_max - ints_to_reject; + + UniformInt { + low, + <span class="comment">// These are really $unsigned values, but store as $ty: + </span>range: range.cast(), + z: zone.cast(), + } + } + + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X { + <span class="kw">let </span>range: <span class="macro-nonterminal">$unsigned </span>= <span class="self">self</span>.range.cast(); + <span class="kw">let </span>zone: <span class="macro-nonterminal">$unsigned </span>= <span class="self">self</span>.z.cast(); + + <span class="comment">// This might seem very slow, generating a whole new + // SIMD vector for every sample rejection. For most uses + // though, the chance of rejection is small and provides good + // general performance. With multiple lanes, that chance is + // multiplied. To mitigate this, we replace only the lanes of + // the vector which fail, iteratively reducing the chance of + // rejection. The replacement method does however add a little + // overhead. Benchmarking or calculating probabilities might + // reveal contexts where this replacement method is slower. + </span><span class="kw">let </span><span class="kw-2">mut </span>v: <span class="macro-nonterminal">$unsigned </span>= rng.gen(); + <span class="kw">loop </span>{ + <span class="kw">let </span>(hi, lo) = v.wmul(range); + <span class="kw">let </span>mask = lo.le(zone); + <span class="kw">if </span>mask.all() { + <span class="kw">let </span>hi: <span class="macro-nonterminal">$ty </span>= hi.cast(); + <span class="comment">// wrapping addition + </span><span class="kw">let </span>result = <span class="self">self</span>.low + hi; + <span class="comment">// `select` here compiles to a blend operation + // When `range.eq(0).none()` the compare and blend + // operations are avoided. + </span><span class="kw">let </span>v: <span class="macro-nonterminal">$ty </span>= v.cast(); + <span class="kw">return </span>range.gt(<span class="macro-nonterminal">$unsigned::splat</span>(<span class="number">0</span>)).select(result, v); + } + <span class="comment">// Replace only the failing lanes + </span>v = mask.select(v, rng.gen()); + } + } + } + }; + + <span class="comment">// bulk implementation + </span>($((<span class="macro-nonterminal">$unsigned</span>:ident, <span class="macro-nonterminal">$signed</span>:ident),)+ <span class="macro-nonterminal">$u_scalar</span>:ident) => { + $( + <span class="macro">uniform_simd_int_impl!</span>(<span class="macro-nonterminal">$unsigned</span>, <span class="macro-nonterminal">$unsigned</span>, <span class="macro-nonterminal">$u_scalar</span>); + <span class="macro">uniform_simd_int_impl!</span>(<span class="macro-nonterminal">$signed</span>, <span class="macro-nonterminal">$unsigned</span>, <span class="macro-nonterminal">$u_scalar</span>); + )+ + }; +} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_simd_int_impl! </span>{ + (u64x2, i64x2), + (u64x4, i64x4), + (u64x8, i64x8), + u64 +} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_simd_int_impl! </span>{ + (u32x2, i32x2), + (u32x4, i32x4), + (u32x8, i32x8), + (u32x16, i32x16), + u32 +} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_simd_int_impl! </span>{ + (u16x2, i16x2), + (u16x4, i16x4), + (u16x8, i16x8), + (u16x16, i16x16), + (u16x32, i16x32), + u16 +} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_simd_int_impl! </span>{ + (u8x2, i8x2), + (u8x4, i8x4), + (u8x8, i8x8), + (u8x16, i8x16), + (u8x32, i8x32), + (u8x64, i8x64), + u8 +} + +<span class="kw">impl </span>SampleUniform <span class="kw">for </span>char { + <span class="kw">type </span>Sampler = UniformChar; +} + +<span class="doccomment">/// The back-end implementing [`UniformSampler`] for `char`. +/// +/// Unless you are implementing [`UniformSampler`] for your own type, this type +/// should not be used directly, use [`Uniform`] instead. +/// +/// This differs from integer range sampling since the range `0xD800..=0xDFFF` +/// are used for surrogate pairs in UCS and UTF-16, and consequently are not +/// valid Unicode code points. We must therefore avoid sampling values in this +/// range. +</span><span class="attribute">#[derive(Clone, Copy, Debug)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>UniformChar { + sampler: UniformInt<u32>, +} + +<span class="doccomment">/// UTF-16 surrogate range start +</span><span class="kw">const </span>CHAR_SURROGATE_START: u32 = <span class="number">0xD800</span>; +<span class="doccomment">/// UTF-16 surrogate range size +</span><span class="kw">const </span>CHAR_SURROGATE_LEN: u32 = <span class="number">0xE000 </span>- CHAR_SURROGATE_START; + +<span class="doccomment">/// Convert `char` to compressed `u32` +</span><span class="kw">fn </span>char_to_comp_u32(c: char) -> u32 { + <span class="kw">match </span>c <span class="kw">as </span>u32 { + c <span class="kw">if </span>c >= CHAR_SURROGATE_START => c - CHAR_SURROGATE_LEN, + c => c, + } +} + +<span class="kw">impl </span>UniformSampler <span class="kw">for </span>UniformChar { + <span class="kw">type </span>X = char; + + <span class="attribute">#[inline] </span><span class="comment">// if the range is constant, this helps LLVM to do the + // calculations at compile-time. + </span><span class="kw">fn </span>new<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = char_to_comp_u32(<span class="kw-2">*</span>low_b.borrow()); + <span class="kw">let </span>high = char_to_comp_u32(<span class="kw-2">*</span>high_b.borrow()); + <span class="kw">let </span>sampler = UniformInt::<u32>::new(low, high); + UniformChar { sampler } + } + + <span class="attribute">#[inline] </span><span class="comment">// if the range is constant, this helps LLVM to do the + // calculations at compile-time. + </span><span class="kw">fn </span>new_inclusive<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = char_to_comp_u32(<span class="kw-2">*</span>low_b.borrow()); + <span class="kw">let </span>high = char_to_comp_u32(<span class="kw-2">*</span>high_b.borrow()); + <span class="kw">let </span>sampler = UniformInt::<u32>::new_inclusive(low, high); + UniformChar { sampler } + } + + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X { + <span class="kw">let </span><span class="kw-2">mut </span>x = <span class="self">self</span>.sampler.sample(rng); + <span class="kw">if </span>x >= CHAR_SURROGATE_START { + x += CHAR_SURROGATE_LEN; + } + <span class="comment">// SAFETY: x must not be in surrogate range or greater than char::MAX. + // This relies on range constructors which accept char arguments. + // Validity of input char values is assumed. + </span><span class="kw">unsafe </span>{ core::char::from_u32_unchecked(x) } + } +} + +<span class="doccomment">/// The back-end implementing [`UniformSampler`] for floating-point types. +/// +/// Unless you are implementing [`UniformSampler`] for your own type, this type +/// should not be used directly, use [`Uniform`] instead. +/// +/// # Implementation notes +/// +/// Instead of generating a float in the `[0, 1)` range using [`Standard`], the +/// `UniformFloat` implementation converts the output of an PRNG itself. This +/// way one or two steps can be optimized out. +/// +/// The floats are first converted to a value in the `[1, 2)` interval using a +/// transmute-based method, and then mapped to the expected range with a +/// multiply and addition. Values produced this way have what equals 23 bits of +/// random digits for an `f32`, and 52 for an `f64`. +/// +/// [`new`]: UniformSampler::new +/// [`new_inclusive`]: UniformSampler::new_inclusive +/// [`Standard`]: crate::distributions::Standard +</span><span class="attribute">#[derive(Clone, Copy, Debug, PartialEq)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>UniformFloat<X> { + low: X, + scale: X, +} + +<span class="macro">macro_rules! </span>uniform_float_impl { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$uty</span>:ident, <span class="macro-nonterminal">$f_scalar</span>:ident, <span class="macro-nonterminal">$u_scalar</span>:ident, <span class="macro-nonterminal">$bits_to_discard</span>:expr) => { + <span class="kw">impl </span>SampleUniform <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Sampler = UniformFloat<<span class="macro-nonterminal">$ty</span>>; + } + + <span class="kw">impl </span>UniformSampler <span class="kw">for </span>UniformFloat<<span class="macro-nonterminal">$ty</span>> { + <span class="kw">type </span>X = <span class="macro-nonterminal">$ty</span>; + + <span class="kw">fn </span>new<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">debug_assert!</span>( + low.all_finite(), + <span class="string">"Uniform::new called with `low` non-finite." + </span>); + <span class="macro">debug_assert!</span>( + high.all_finite(), + <span class="string">"Uniform::new called with `high` non-finite." + </span>); + <span class="macro">assert!</span>(low.all_lt(high), <span class="string">"Uniform::new called with `low >= high`"</span>); + <span class="kw">let </span>max_rand = <<span class="macro-nonterminal">$ty</span>>::splat( + (::core::<span class="macro-nonterminal">$u_scalar::MAX </span>>> <span class="macro-nonterminal">$bits_to_discard</span>).into_float_with_exponent(<span class="number">0</span>) - <span class="number">1.0</span>, + ); + + <span class="kw">let </span><span class="kw-2">mut </span>scale = high - low; + <span class="macro">assert!</span>(scale.all_finite(), <span class="string">"Uniform::new: range overflow"</span>); + + <span class="kw">loop </span>{ + <span class="kw">let </span>mask = (scale * max_rand + low).ge_mask(high); + <span class="kw">if </span>mask.none() { + <span class="kw">break</span>; + } + scale = scale.decrease_masked(mask); + } + + <span class="macro">debug_assert!</span>(<<span class="macro-nonterminal">$ty</span>>::splat(<span class="number">0.0</span>).all_le(scale)); + + UniformFloat { low, scale } + } + + <span class="kw">fn </span>new_inclusive<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">debug_assert!</span>( + low.all_finite(), + <span class="string">"Uniform::new_inclusive called with `low` non-finite." + </span>); + <span class="macro">debug_assert!</span>( + high.all_finite(), + <span class="string">"Uniform::new_inclusive called with `high` non-finite." + </span>); + <span class="macro">assert!</span>( + low.all_le(high), + <span class="string">"Uniform::new_inclusive called with `low > high`" + </span>); + <span class="kw">let </span>max_rand = <<span class="macro-nonterminal">$ty</span>>::splat( + (::core::<span class="macro-nonterminal">$u_scalar::MAX </span>>> <span class="macro-nonterminal">$bits_to_discard</span>).into_float_with_exponent(<span class="number">0</span>) - <span class="number">1.0</span>, + ); + + <span class="kw">let </span><span class="kw-2">mut </span>scale = (high - low) / max_rand; + <span class="macro">assert!</span>(scale.all_finite(), <span class="string">"Uniform::new_inclusive: range overflow"</span>); + + <span class="kw">loop </span>{ + <span class="kw">let </span>mask = (scale * max_rand + low).gt_mask(high); + <span class="kw">if </span>mask.none() { + <span class="kw">break</span>; + } + scale = scale.decrease_masked(mask); + } + + <span class="macro">debug_assert!</span>(<<span class="macro-nonterminal">$ty</span>>::splat(<span class="number">0.0</span>).all_le(scale)); + + UniformFloat { low, scale } + } + + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X { + <span class="comment">// Generate a value in the range [1, 2) + </span><span class="kw">let </span>value1_2 = (rng.gen::<<span class="macro-nonterminal">$uty</span>>() >> <span class="macro-nonterminal">$bits_to_discard</span>).into_float_with_exponent(<span class="number">0</span>); + + <span class="comment">// Get a value in the range [0, 1) in order to avoid + // overflowing into infinity when multiplying with scale + </span><span class="kw">let </span>value0_1 = value1_2 - <span class="number">1.0</span>; + + <span class="comment">// We don't use `f64::mul_add`, because it is not available with + // `no_std`. Furthermore, it is slower for some targets (but + // faster for others). However, the order of multiplication and + // addition is important, because on some platforms (e.g. ARM) + // it will be optimized to a single (non-FMA) instruction. + </span>value0_1 * <span class="self">self</span>.scale + <span class="self">self</span>.low + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample_single<R: Rng + <span class="question-mark">?</span>Sized, B1, B2>(low_b: B1, high_b: B2, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X + <span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">debug_assert!</span>( + low.all_finite(), + <span class="string">"UniformSampler::sample_single called with `low` non-finite." + </span>); + <span class="macro">debug_assert!</span>( + high.all_finite(), + <span class="string">"UniformSampler::sample_single called with `high` non-finite." + </span>); + <span class="macro">assert!</span>( + low.all_lt(high), + <span class="string">"UniformSampler::sample_single: low >= high" + </span>); + <span class="kw">let </span><span class="kw-2">mut </span>scale = high - low; + <span class="macro">assert!</span>(scale.all_finite(), <span class="string">"UniformSampler::sample_single: range overflow"</span>); + + <span class="kw">loop </span>{ + <span class="comment">// Generate a value in the range [1, 2) + </span><span class="kw">let </span>value1_2 = + (rng.gen::<<span class="macro-nonterminal">$uty</span>>() >> <span class="macro-nonterminal">$bits_to_discard</span>).into_float_with_exponent(<span class="number">0</span>); + + <span class="comment">// Get a value in the range [0, 1) in order to avoid + // overflowing into infinity when multiplying with scale + </span><span class="kw">let </span>value0_1 = value1_2 - <span class="number">1.0</span>; + + <span class="comment">// Doing multiply before addition allows some architectures + // to use a single instruction. + </span><span class="kw">let </span>res = value0_1 * scale + low; + + <span class="macro">debug_assert!</span>(low.all_le(res) || !scale.all_finite()); + <span class="kw">if </span>res.all_lt(high) { + <span class="kw">return </span>res; + } + + <span class="comment">// This handles a number of edge cases. + // * `low` or `high` is NaN. In this case `scale` and + // `res` are going to end up as NaN. + // * `low` is negative infinity and `high` is finite. + // `scale` is going to be infinite and `res` will be + // NaN. + // * `high` is positive infinity and `low` is finite. + // `scale` is going to be infinite and `res` will + // be infinite or NaN (if value0_1 is 0). + // * `low` is negative infinity and `high` is positive + // infinity. `scale` will be infinite and `res` will + // be NaN. + // * `low` and `high` are finite, but `high - low` + // overflows to infinite. `scale` will be infinite + // and `res` will be infinite or NaN (if value0_1 is 0). + // So if `high` or `low` are non-finite, we are guaranteed + // to fail the `res < high` check above and end up here. + // + // While we technically should check for non-finite `low` + // and `high` before entering the loop, by doing the checks + // here instead, we allow the common case to avoid these + // checks. But we are still guaranteed that if `low` or + // `high` are non-finite we'll end up here and can do the + // appropriate checks. + // + // Likewise `high - low` overflowing to infinity is also + // rare, so handle it here after the common case. + </span><span class="kw">let </span>mask = !scale.finite_mask(); + <span class="kw">if </span>mask.any() { + <span class="macro">assert!</span>( + low.all_finite() && high.all_finite(), + <span class="string">"Uniform::sample_single: low and high must be finite" + </span>); + scale = scale.decrease_masked(mask); + } + } + } + } + }; +} + +<span class="macro">uniform_float_impl! </span>{ f32, u32, f32, u32, <span class="number">32 </span>- <span class="number">23 </span>} +<span class="macro">uniform_float_impl! </span>{ f64, u64, f64, u64, <span class="number">64 </span>- <span class="number">52 </span>} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f32x2, u32x2, f32, u32, <span class="number">32 </span>- <span class="number">23 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f32x4, u32x4, f32, u32, <span class="number">32 </span>- <span class="number">23 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f32x8, u32x8, f32, u32, <span class="number">32 </span>- <span class="number">23 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f32x16, u32x16, f32, u32, <span class="number">32 </span>- <span class="number">23 </span>} + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f64x2, u64x2, f64, u64, <span class="number">64 </span>- <span class="number">52 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f64x4, u64x4, f64, u64, <span class="number">64 </span>- <span class="number">52 </span>} +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">uniform_float_impl! </span>{ f64x8, u64x8, f64, u64, <span class="number">64 </span>- <span class="number">52 </span>} + + +<span class="doccomment">/// The back-end implementing [`UniformSampler`] for `Duration`. +/// +/// Unless you are implementing [`UniformSampler`] for your own types, this type +/// should not be used directly, use [`Uniform`] instead. +</span><span class="attribute">#[derive(Clone, Copy, Debug)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>UniformDuration { + mode: UniformDurationMode, + offset: u32, +} + +<span class="attribute">#[derive(Debug, Copy, Clone)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">enum </span>UniformDurationMode { + Small { + secs: u64, + nanos: Uniform<u32>, + }, + Medium { + nanos: Uniform<u64>, + }, + Large { + max_secs: u64, + max_nanos: u32, + secs: Uniform<u64>, + }, +} + +<span class="kw">impl </span>SampleUniform <span class="kw">for </span>Duration { + <span class="kw">type </span>Sampler = UniformDuration; +} + +<span class="kw">impl </span>UniformSampler <span class="kw">for </span>UniformDuration { + <span class="kw">type </span>X = Duration; + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>new<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>(low < high, <span class="string">"Uniform::new called with `low >= high`"</span>); + UniformDuration::new_inclusive(low, high - Duration::new(<span class="number">0</span>, <span class="number">1</span>)) + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>new_inclusive<B1, B2>(low_b: B1, high_b: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + <span class="kw">let </span>low = <span class="kw-2">*</span>low_b.borrow(); + <span class="kw">let </span>high = <span class="kw-2">*</span>high_b.borrow(); + <span class="macro">assert!</span>( + low <= high, + <span class="string">"Uniform::new_inclusive called with `low > high`" + </span>); + + <span class="kw">let </span>low_s = low.as_secs(); + <span class="kw">let </span>low_n = low.subsec_nanos(); + <span class="kw">let </span><span class="kw-2">mut </span>high_s = high.as_secs(); + <span class="kw">let </span><span class="kw-2">mut </span>high_n = high.subsec_nanos(); + + <span class="kw">if </span>high_n < low_n { + high_s -= <span class="number">1</span>; + high_n += <span class="number">1_000_000_000</span>; + } + + <span class="kw">let </span>mode = <span class="kw">if </span>low_s == high_s { + UniformDurationMode::Small { + secs: low_s, + nanos: Uniform::new_inclusive(low_n, high_n), + } + } <span class="kw">else </span>{ + <span class="kw">let </span>max = high_s + .checked_mul(<span class="number">1_000_000_000</span>) + .and_then(|n| n.checked_add(u64::from(high_n))); + + <span class="kw">if let </span><span class="prelude-val">Some</span>(higher_bound) = max { + <span class="kw">let </span>lower_bound = low_s * <span class="number">1_000_000_000 </span>+ u64::from(low_n); + UniformDurationMode::Medium { + nanos: Uniform::new_inclusive(lower_bound, higher_bound), + } + } <span class="kw">else </span>{ + <span class="comment">// An offset is applied to simplify generation of nanoseconds + </span><span class="kw">let </span>max_nanos = high_n - low_n; + UniformDurationMode::Large { + max_secs: high_s, + max_nanos, + secs: Uniform::new_inclusive(low_s, high_s), + } + } + }; + UniformDuration { + mode, + offset: low_n, + } + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> Duration { + <span class="kw">match </span><span class="self">self</span>.mode { + UniformDurationMode::Small { secs, nanos } => { + <span class="kw">let </span>n = nanos.sample(rng); + Duration::new(secs, n) + } + UniformDurationMode::Medium { nanos } => { + <span class="kw">let </span>nanos = nanos.sample(rng); + Duration::new(nanos / <span class="number">1_000_000_000</span>, (nanos % <span class="number">1_000_000_000</span>) <span class="kw">as </span>u32) + } + UniformDurationMode::Large { + max_secs, + max_nanos, + secs, + } => { + <span class="comment">// constant folding means this is at least as fast as `Rng::sample(Range)` + </span><span class="kw">let </span>nano_range = Uniform::new(<span class="number">0</span>, <span class="number">1_000_000_000</span>); + <span class="kw">loop </span>{ + <span class="kw">let </span>s = secs.sample(rng); + <span class="kw">let </span>n = nano_range.sample(rng); + <span class="kw">if </span>!(s == max_secs && n > max_nanos) { + <span class="kw">let </span>sum = n + <span class="self">self</span>.offset; + <span class="kw">break </span>Duration::new(s, sum); + } + } + } + } + } +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="kw">use </span><span class="kw">crate</span>::rngs::mock::StepRng; + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"serde1"</span>)] + </span><span class="kw">fn </span>test_serialization_uniform_duration() { + <span class="kw">let </span>distr = UniformDuration::new(Duration::from_secs(<span class="number">10</span>), Duration::from_secs(<span class="number">60</span>)); + <span class="kw">let </span>de_distr: UniformDuration = bincode::deserialize(<span class="kw-2">&</span>bincode::serialize(<span class="kw-2">&</span>distr).unwrap()).unwrap(); + <span class="macro">assert_eq!</span>( + distr.offset, de_distr.offset + ); + <span class="kw">match </span>(distr.mode, de_distr.mode) { + (UniformDurationMode::Small {secs: a_secs, nanos: a_nanos}, UniformDurationMode::Small {secs, nanos}) => { + <span class="macro">assert_eq!</span>(a_secs, secs); + + <span class="macro">assert_eq!</span>(a_nanos.<span class="number">0</span>.low, nanos.<span class="number">0</span>.low); + <span class="macro">assert_eq!</span>(a_nanos.<span class="number">0</span>.range, nanos.<span class="number">0</span>.range); + <span class="macro">assert_eq!</span>(a_nanos.<span class="number">0</span>.z, nanos.<span class="number">0</span>.z); + } + (UniformDurationMode::Medium {nanos: a_nanos} , UniformDurationMode::Medium {nanos}) => { + <span class="macro">assert_eq!</span>(a_nanos.<span class="number">0</span>.low, nanos.<span class="number">0</span>.low); + <span class="macro">assert_eq!</span>(a_nanos.<span class="number">0</span>.range, nanos.<span class="number">0</span>.range); + <span class="macro">assert_eq!</span>(a_nanos.<span class="number">0</span>.z, nanos.<span class="number">0</span>.z); + } + (UniformDurationMode::Large {max_secs:a_max_secs, max_nanos:a_max_nanos, secs:a_secs}, UniformDurationMode::Large {max_secs, max_nanos, secs} ) => { + <span class="macro">assert_eq!</span>(a_max_secs, max_secs); + <span class="macro">assert_eq!</span>(a_max_nanos, max_nanos); + + <span class="macro">assert_eq!</span>(a_secs.<span class="number">0</span>.low, secs.<span class="number">0</span>.low); + <span class="macro">assert_eq!</span>(a_secs.<span class="number">0</span>.range, secs.<span class="number">0</span>.range); + <span class="macro">assert_eq!</span>(a_secs.<span class="number">0</span>.z, secs.<span class="number">0</span>.z); + } + <span class="kw">_ </span>=> <span class="macro">panic!</span>(<span class="string">"`UniformDurationMode` was not serialized/deserialized correctly"</span>) + } + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"serde1"</span>)] + </span><span class="kw">fn </span>test_uniform_serialization() { + <span class="kw">let </span>unit_box: Uniform<i32> = Uniform::new(-<span class="number">1</span>, <span class="number">1</span>); + <span class="kw">let </span>de_unit_box: Uniform<i32> = bincode::deserialize(<span class="kw-2">&</span>bincode::serialize(<span class="kw-2">&</span>unit_box).unwrap()).unwrap(); + + <span class="macro">assert_eq!</span>(unit_box.<span class="number">0</span>.low, de_unit_box.<span class="number">0</span>.low); + <span class="macro">assert_eq!</span>(unit_box.<span class="number">0</span>.range, de_unit_box.<span class="number">0</span>.range); + <span class="macro">assert_eq!</span>(unit_box.<span class="number">0</span>.z, de_unit_box.<span class="number">0</span>.z); + + <span class="kw">let </span>unit_box: Uniform<f32> = Uniform::new(-<span class="number">1.</span>, <span class="number">1.</span>); + <span class="kw">let </span>de_unit_box: Uniform<f32> = bincode::deserialize(<span class="kw-2">&</span>bincode::serialize(<span class="kw-2">&</span>unit_box).unwrap()).unwrap(); + + <span class="macro">assert_eq!</span>(unit_box.<span class="number">0</span>.low, de_unit_box.<span class="number">0</span>.low); + <span class="macro">assert_eq!</span>(unit_box.<span class="number">0</span>.scale, de_unit_box.<span class="number">0</span>.scale); + } + + <span class="attribute">#[should_panic] + #[test] + </span><span class="kw">fn </span>test_uniform_bad_limits_equal_int() { + Uniform::new(<span class="number">10</span>, <span class="number">10</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_uniform_good_limits_equal_int() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">804</span>); + <span class="kw">let </span>dist = Uniform::new_inclusive(<span class="number">10</span>, <span class="number">10</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">20 </span>{ + <span class="macro">assert_eq!</span>(rng.sample(dist), <span class="number">10</span>); + } + } + + <span class="attribute">#[should_panic] + #[test] + </span><span class="kw">fn </span>test_uniform_bad_limits_flipped_int() { + Uniform::new(<span class="number">10</span>, <span class="number">5</span>); + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_integers() { + <span class="kw">use </span>core::{i128, u128}; + <span class="kw">use </span>core::{i16, i32, i64, i8, isize}; + <span class="kw">use </span>core::{u16, u32, u64, u8, usize}; + + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">251</span>); + <span class="macro">macro_rules! </span>t { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$v</span>:expr, <span class="macro-nonterminal">$le</span>:expr, <span class="macro-nonterminal">$lt</span>:expr) => {{ + <span class="kw">for </span><span class="kw-2">&</span>(low, high) <span class="kw">in </span><span class="macro-nonterminal">$v</span>.iter() { + <span class="kw">let </span>my_uniform = Uniform::new(low, high); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v: <span class="macro-nonterminal">$ty </span>= rng.sample(my_uniform); + <span class="macro">assert!</span>(<span class="macro-nonterminal">$le</span>(low, v) && <span class="macro-nonterminal">$lt</span>(v, high)); + } + + <span class="kw">let </span>my_uniform = Uniform::new_inclusive(low, high); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v: <span class="macro-nonterminal">$ty </span>= rng.sample(my_uniform); + <span class="macro">assert!</span>(<span class="macro-nonterminal">$le</span>(low, v) && <span class="macro-nonterminal">$le</span>(v, high)); + } + + <span class="kw">let </span>my_uniform = Uniform::new(<span class="kw-2">&</span>low, high); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v: <span class="macro-nonterminal">$ty </span>= rng.sample(my_uniform); + <span class="macro">assert!</span>(<span class="macro-nonterminal">$le</span>(low, v) && <span class="macro-nonterminal">$lt</span>(v, high)); + } + + <span class="kw">let </span>my_uniform = Uniform::new_inclusive(<span class="kw-2">&</span>low, <span class="kw-2">&</span>high); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v: <span class="macro-nonterminal">$ty </span>= rng.sample(my_uniform); + <span class="macro">assert!</span>(<span class="macro-nonterminal">$le</span>(low, v) && <span class="macro-nonterminal">$le</span>(v, high)); + } + + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v = <<span class="macro-nonterminal">$ty </span><span class="kw">as </span>SampleUniform>::Sampler::sample_single(low, high, <span class="kw-2">&mut </span>rng); + <span class="macro">assert!</span>(<span class="macro-nonterminal">$le</span>(low, v) && <span class="macro-nonterminal">$lt</span>(v, high)); + } + + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v = <<span class="macro-nonterminal">$ty </span><span class="kw">as </span>SampleUniform>::Sampler::sample_single_inclusive(low, high, <span class="kw-2">&mut </span>rng); + <span class="macro">assert!</span>(<span class="macro-nonterminal">$le</span>(low, v) && <span class="macro-nonterminal">$le</span>(v, high)); + } + } + }}; + + <span class="comment">// scalar bulk + </span>($(<span class="macro-nonterminal">$ty</span>:ident),<span class="kw-2">*</span>) => {{ + $(<span class="macro">t!</span>( + <span class="macro-nonterminal">$ty</span>, + [(<span class="number">0</span>, <span class="number">10</span>), (<span class="number">10</span>, <span class="number">127</span>), (<span class="macro-nonterminal">$ty::MIN</span>, <span class="macro-nonterminal">$ty::MAX</span>)], + |x, y| x <= y, + |x, y| x < y + );)* + }}; + + <span class="comment">// simd bulk + </span>($(<span class="macro-nonterminal">$ty</span>:ident),* => <span class="macro-nonterminal">$scalar</span>:ident) => {{ + $(<span class="macro">t!</span>( + <span class="macro-nonterminal">$ty</span>, + [ + (<span class="macro-nonterminal">$ty::splat</span>(<span class="number">0</span>), <span class="macro-nonterminal">$ty::splat</span>(<span class="number">10</span>)), + (<span class="macro-nonterminal">$ty::splat</span>(<span class="number">10</span>), <span class="macro-nonterminal">$ty::splat</span>(<span class="number">127</span>)), + (<span class="macro-nonterminal">$ty::splat</span>(<span class="macro-nonterminal">$scalar::MIN</span>), <span class="macro-nonterminal">$ty::splat</span>(<span class="macro-nonterminal">$scalar::MAX</span>)), + ], + |x: <span class="macro-nonterminal">$ty</span>, y| x.le(y).all(), + |x: <span class="macro-nonterminal">$ty</span>, y| x.lt(y).all() + );)* + }}; + } + <span class="macro">t!</span>(i8, i16, i32, i64, isize, u8, u16, u32, u64, usize, i128, u128); + + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span>{ + <span class="macro">t!</span>(u8x2, u8x4, u8x8, u8x16, u8x32, u8x64 => u8); + <span class="macro">t!</span>(i8x2, i8x4, i8x8, i8x16, i8x32, i8x64 => i8); + <span class="macro">t!</span>(u16x2, u16x4, u16x8, u16x16, u16x32 => u16); + <span class="macro">t!</span>(i16x2, i16x4, i16x8, i16x16, i16x32 => i16); + <span class="macro">t!</span>(u32x2, u32x4, u32x8, u32x16 => u32); + <span class="macro">t!</span>(i32x2, i32x4, i32x8, i32x16 => i32); + <span class="macro">t!</span>(u64x2, u64x4, u64x8 => u64); + <span class="macro">t!</span>(i64x2, i64x4, i64x8 => i64); + } + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_char() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">891</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max = core::char::from_u32(<span class="number">0</span>).unwrap(); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>c = rng.gen_range(<span class="string">'A'</span>..=<span class="string">'Z'</span>); + <span class="macro">assert!</span>((<span class="string">'A'</span>..=<span class="string">'Z'</span>).contains(<span class="kw-2">&</span>c)); + max = max.max(c); + } + <span class="macro">assert_eq!</span>(max, <span class="string">'Z'</span>); + <span class="kw">let </span>d = Uniform::new( + core::char::from_u32(<span class="number">0xD7F0</span>).unwrap(), + core::char::from_u32(<span class="number">0xE010</span>).unwrap(), + ); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>c = d.sample(<span class="kw-2">&mut </span>rng); + <span class="macro">assert!</span>((c <span class="kw">as </span>u32) < <span class="number">0xD800 </span>|| (c <span class="kw">as </span>u32) > <span class="number">0xDFFF</span>); + } + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_floats() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">252</span>); + <span class="kw">let </span><span class="kw-2">mut </span>zero_rng = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="kw">let </span><span class="kw-2">mut </span>max_rng = StepRng::new(<span class="number">0xffff_ffff_ffff_ffff</span>, <span class="number">0</span>); + <span class="macro">macro_rules! </span>t { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$f_scalar</span>:ident, <span class="macro-nonterminal">$bits_shifted</span>:expr) => {{ + <span class="kw">let </span>v: <span class="kw-2">&</span>[(<span class="macro-nonterminal">$f_scalar</span>, <span class="macro-nonterminal">$f_scalar</span>)] = <span class="kw-2">&</span>[ + (<span class="number">0.0</span>, <span class="number">100.0</span>), + (-<span class="number">1e35</span>, -<span class="number">1e25</span>), + (<span class="number">1e-35</span>, <span class="number">1e-25</span>), + (-<span class="number">1e35</span>, <span class="number">1e35</span>), + (<<span class="macro-nonterminal">$f_scalar</span>>::from_bits(<span class="number">0</span>), <<span class="macro-nonterminal">$f_scalar</span>>::from_bits(<span class="number">3</span>)), + (-<<span class="macro-nonterminal">$f_scalar</span>>::from_bits(<span class="number">10</span>), -<<span class="macro-nonterminal">$f_scalar</span>>::from_bits(<span class="number">1</span>)), + (-<<span class="macro-nonterminal">$f_scalar</span>>::from_bits(<span class="number">5</span>), <span class="number">0.0</span>), + (-<<span class="macro-nonterminal">$f_scalar</span>>::from_bits(<span class="number">7</span>), -<span class="number">0.0</span>), + (<span class="number">0.1 </span>* ::core::<span class="macro-nonterminal">$f_scalar::MAX</span>, ::core::<span class="macro-nonterminal">$f_scalar::MAX</span>), + (-::core::<span class="macro-nonterminal">$f_scalar::MAX </span>* <span class="number">0.2</span>, ::core::<span class="macro-nonterminal">$f_scalar::MAX </span>* <span class="number">0.7</span>), + ]; + <span class="kw">for </span><span class="kw-2">&</span>(low_scalar, high_scalar) <span class="kw">in </span>v.iter() { + <span class="kw">for </span>lane <span class="kw">in </span><span class="number">0</span>..<<span class="macro-nonterminal">$ty</span>>::lanes() { + <span class="kw">let </span>low = <<span class="macro-nonterminal">$ty</span>>::splat(<span class="number">0.0 </span><span class="kw">as </span><span class="macro-nonterminal">$f_scalar</span>).replace(lane, low_scalar); + <span class="kw">let </span>high = <<span class="macro-nonterminal">$ty</span>>::splat(<span class="number">1.0 </span><span class="kw">as </span><span class="macro-nonterminal">$f_scalar</span>).replace(lane, high_scalar); + <span class="kw">let </span>my_uniform = Uniform::new(low, high); + <span class="kw">let </span>my_incl_uniform = Uniform::new_inclusive(low, high); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>v = rng.sample(my_uniform).extract(lane); + <span class="macro">assert!</span>(low_scalar <= v && v < high_scalar); + <span class="kw">let </span>v = rng.sample(my_incl_uniform).extract(lane); + <span class="macro">assert!</span>(low_scalar <= v && v <= high_scalar); + <span class="kw">let </span>v = <<span class="macro-nonterminal">$ty </span><span class="kw">as </span>SampleUniform>::Sampler + ::sample_single(low, high, <span class="kw-2">&mut </span>rng).extract(lane); + <span class="macro">assert!</span>(low_scalar <= v && v < high_scalar); + } + + <span class="macro">assert_eq!</span>( + rng.sample(Uniform::new_inclusive(low, low)).extract(lane), + low_scalar + ); + + <span class="macro">assert_eq!</span>(zero_rng.sample(my_uniform).extract(lane), low_scalar); + <span class="macro">assert_eq!</span>(zero_rng.sample(my_incl_uniform).extract(lane), low_scalar); + <span class="macro">assert_eq!</span>(<<span class="macro-nonterminal">$ty </span><span class="kw">as </span>SampleUniform>::Sampler + ::sample_single(low, high, <span class="kw-2">&mut </span>zero_rng) + .extract(lane), low_scalar); + <span class="macro">assert!</span>(max_rng.sample(my_uniform).extract(lane) < high_scalar); + <span class="macro">assert!</span>(max_rng.sample(my_incl_uniform).extract(lane) <= high_scalar); + + <span class="comment">// Don't run this test for really tiny differences between high and low + // since for those rounding might result in selecting high for a very + // long time. + </span><span class="kw">if </span>(high_scalar - low_scalar) > <span class="number">0.0001 </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>lowering_max_rng = StepRng::new( + <span class="number">0xffff_ffff_ffff_ffff</span>, + (-<span class="number">1i64 </span><< <span class="macro-nonterminal">$bits_shifted</span>) <span class="kw">as </span>u64, + ); + <span class="macro">assert!</span>( + <<span class="macro-nonterminal">$ty </span><span class="kw">as </span>SampleUniform>::Sampler + ::sample_single(low, high, <span class="kw-2">&mut </span>lowering_max_rng) + .extract(lane) < high_scalar + ); + } + } + } + + <span class="macro">assert_eq!</span>( + rng.sample(Uniform::new_inclusive( + ::core::<span class="macro-nonterminal">$f_scalar::MAX</span>, + ::core::<span class="macro-nonterminal">$f_scalar::MAX + </span>)), + ::core::<span class="macro-nonterminal">$f_scalar::MAX + </span>); + <span class="macro">assert_eq!</span>( + rng.sample(Uniform::new_inclusive( + -::core::<span class="macro-nonterminal">$f_scalar::MAX</span>, + -::core::<span class="macro-nonterminal">$f_scalar::MAX + </span>)), + -::core::<span class="macro-nonterminal">$f_scalar::MAX + </span>); + }}; + } + + <span class="macro">t!</span>(f32, f32, <span class="number">32 </span>- <span class="number">23</span>); + <span class="macro">t!</span>(f64, f64, <span class="number">64 </span>- <span class="number">52</span>); + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span>{ + <span class="macro">t!</span>(f32x2, f32, <span class="number">32 </span>- <span class="number">23</span>); + <span class="macro">t!</span>(f32x4, f32, <span class="number">32 </span>- <span class="number">23</span>); + <span class="macro">t!</span>(f32x8, f32, <span class="number">32 </span>- <span class="number">23</span>); + <span class="macro">t!</span>(f32x16, f32, <span class="number">32 </span>- <span class="number">23</span>); + <span class="macro">t!</span>(f64x2, f64, <span class="number">64 </span>- <span class="number">52</span>); + <span class="macro">t!</span>(f64x4, f64, <span class="number">64 </span>- <span class="number">52</span>); + <span class="macro">t!</span>(f64x8, f64, <span class="number">64 </span>- <span class="number">52</span>); + } + } + + <span class="attribute">#[test] + #[should_panic] + </span><span class="kw">fn </span>test_float_overflow() { + <span class="kw">let _ </span>= Uniform::from(::core::f64::MIN..::core::f64::MAX); + } + + <span class="attribute">#[test] + #[should_panic] + </span><span class="kw">fn </span>test_float_overflow_single() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">252</span>); + rng.gen_range(::core::f64::MIN..::core::f64::MAX); + } + + <span class="attribute">#[test] + #[cfg(all( + feature = <span class="string">"std"</span>, + not(target_arch = <span class="string">"wasm32"</span>), + not(target_arch = <span class="string">"asmjs"</span>) + ))] + </span><span class="kw">fn </span>test_float_assertions() { + <span class="kw">use </span><span class="kw">super</span>::SampleUniform; + <span class="kw">use </span>std::panic::catch_unwind; + <span class="kw">fn </span>range<T: SampleUniform>(low: T, high: T) { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">253</span>); + T::Sampler::sample_single(low, high, <span class="kw-2">&mut </span>rng); + } + + <span class="macro">macro_rules! </span>t { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$f_scalar</span>:ident) => {{ + <span class="kw">let </span>v: <span class="kw-2">&</span>[(<span class="macro-nonterminal">$f_scalar</span>, <span class="macro-nonterminal">$f_scalar</span>)] = <span class="kw-2">&</span>[ + (::std::<span class="macro-nonterminal">$f_scalar::NAN</span>, <span class="number">0.0</span>), + (<span class="number">1.0</span>, ::std::<span class="macro-nonterminal">$f_scalar::NAN</span>), + (::std::<span class="macro-nonterminal">$f_scalar::NAN</span>, ::std::<span class="macro-nonterminal">$f_scalar::NAN</span>), + (<span class="number">1.0</span>, <span class="number">0.5</span>), + (::std::<span class="macro-nonterminal">$f_scalar::MAX</span>, -::std::<span class="macro-nonterminal">$f_scalar::MAX</span>), + (::std::<span class="macro-nonterminal">$f_scalar::INFINITY</span>, ::std::<span class="macro-nonterminal">$f_scalar::INFINITY</span>), + ( + ::std::<span class="macro-nonterminal">$f_scalar::NEG_INFINITY</span>, + ::std::<span class="macro-nonterminal">$f_scalar::NEG_INFINITY</span>, + ), + (::std::<span class="macro-nonterminal">$f_scalar::NEG_INFINITY</span>, <span class="number">5.0</span>), + (<span class="number">5.0</span>, ::std::<span class="macro-nonterminal">$f_scalar::INFINITY</span>), + (::std::<span class="macro-nonterminal">$f_scalar::NAN</span>, ::std::<span class="macro-nonterminal">$f_scalar::INFINITY</span>), + (::std::<span class="macro-nonterminal">$f_scalar::NEG_INFINITY</span>, ::std::<span class="macro-nonterminal">$f_scalar::NAN</span>), + (::std::<span class="macro-nonterminal">$f_scalar::NEG_INFINITY</span>, ::std::<span class="macro-nonterminal">$f_scalar::INFINITY</span>), + ]; + <span class="kw">for </span><span class="kw-2">&</span>(low_scalar, high_scalar) <span class="kw">in </span>v.iter() { + <span class="kw">for </span>lane <span class="kw">in </span><span class="number">0</span>..<<span class="macro-nonterminal">$ty</span>>::lanes() { + <span class="kw">let </span>low = <<span class="macro-nonterminal">$ty</span>>::splat(<span class="number">0.0 </span><span class="kw">as </span><span class="macro-nonterminal">$f_scalar</span>).replace(lane, low_scalar); + <span class="kw">let </span>high = <<span class="macro-nonterminal">$ty</span>>::splat(<span class="number">1.0 </span><span class="kw">as </span><span class="macro-nonterminal">$f_scalar</span>).replace(lane, high_scalar); + <span class="macro">assert!</span>(catch_unwind(|| range(low, high)).is_err()); + <span class="macro">assert!</span>(catch_unwind(|| Uniform::new(low, high)).is_err()); + <span class="macro">assert!</span>(catch_unwind(|| Uniform::new_inclusive(low, high)).is_err()); + <span class="macro">assert!</span>(catch_unwind(|| range(low, low)).is_err()); + <span class="macro">assert!</span>(catch_unwind(|| Uniform::new(low, low)).is_err()); + } + } + }}; + } + + <span class="macro">t!</span>(f32, f32); + <span class="macro">t!</span>(f64, f64); + <span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] + </span>{ + <span class="macro">t!</span>(f32x2, f32); + <span class="macro">t!</span>(f32x4, f32); + <span class="macro">t!</span>(f32x8, f32); + <span class="macro">t!</span>(f32x16, f32); + <span class="macro">t!</span>(f64x2, f64); + <span class="macro">t!</span>(f64x4, f64); + <span class="macro">t!</span>(f64x8, f64); + } + } + + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_durations() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">253</span>); + + <span class="kw">let </span>v = <span class="kw-2">&</span>[ + (Duration::new(<span class="number">10</span>, <span class="number">50000</span>), Duration::new(<span class="number">100</span>, <span class="number">1234</span>)), + (Duration::new(<span class="number">0</span>, <span class="number">100</span>), Duration::new(<span class="number">1</span>, <span class="number">50</span>)), + ( + Duration::new(<span class="number">0</span>, <span class="number">0</span>), + Duration::new(u64::max_value(), <span class="number">999_999_999</span>), + ), + ]; + <span class="kw">for </span><span class="kw-2">&</span>(low, high) <span class="kw">in </span>v.iter() { + <span class="kw">let </span>my_uniform = Uniform::new(low, high); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>v = rng.sample(my_uniform); + <span class="macro">assert!</span>(low <= v && v < high); + } + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_custom_uniform() { + <span class="kw">use </span><span class="kw">crate</span>::distributions::uniform::{ + SampleBorrow, SampleUniform, UniformFloat, UniformSampler, + }; + <span class="attribute">#[derive(Clone, Copy, PartialEq, PartialOrd)] + </span><span class="kw">struct </span>MyF32 { + x: f32, + } + <span class="attribute">#[derive(Clone, Copy, Debug)] + </span><span class="kw">struct </span>UniformMyF32(UniformFloat<f32>); + <span class="kw">impl </span>UniformSampler <span class="kw">for </span>UniformMyF32 { + <span class="kw">type </span>X = MyF32; + + <span class="kw">fn </span>new<B1, B2>(low: B1, high: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + UniformMyF32(UniformFloat::<f32>::new(low.borrow().x, high.borrow().x)) + } + + <span class="kw">fn </span>new_inclusive<B1, B2>(low: B1, high: B2) -> <span class="self">Self + </span><span class="kw">where + </span>B1: SampleBorrow<<span class="self">Self</span>::X> + Sized, + B2: SampleBorrow<<span class="self">Self</span>::X> + Sized, + { + UniformSampler::new(low, high) + } + + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="self">Self</span>::X { + MyF32 { + x: <span class="self">self</span>.<span class="number">0</span>.sample(rng), + } + } + } + <span class="kw">impl </span>SampleUniform <span class="kw">for </span>MyF32 { + <span class="kw">type </span>Sampler = UniformMyF32; + } + + <span class="kw">let </span>(low, high) = (MyF32 { x: <span class="number">17.0f32 </span>}, MyF32 { x: <span class="number">22.0f32 </span>}); + <span class="kw">let </span>uniform = Uniform::new(low, high); + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">804</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>x: MyF32 = rng.sample(uniform); + <span class="macro">assert!</span>(low <= x && x < high); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_uniform_from_std_range() { + <span class="kw">let </span>r = Uniform::from(<span class="number">2u32</span>..<span class="number">7</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.low, <span class="number">2</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.range, <span class="number">5</span>); + <span class="kw">let </span>r = Uniform::from(<span class="number">2.0f64</span>..<span class="number">7.0</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.low, <span class="number">2.0</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.scale, <span class="number">5.0</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_uniform_from_std_range_inclusive() { + <span class="kw">let </span>r = Uniform::from(<span class="number">2u32</span>..=<span class="number">6</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.low, <span class="number">2</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.range, <span class="number">5</span>); + <span class="kw">let </span>r = Uniform::from(<span class="number">2.0f64</span>..=<span class="number">7.0</span>); + <span class="macro">assert_eq!</span>(r.<span class="number">0</span>.low, <span class="number">2.0</span>); + <span class="macro">assert!</span>(r.<span class="number">0</span>.scale > <span class="number">5.0</span>); + <span class="macro">assert!</span>(r.<span class="number">0</span>.scale < <span class="number">5.0 </span>+ <span class="number">1e-14</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability() { + <span class="kw">fn </span>test_samples<T: SampleUniform + Copy + core::fmt::Debug + PartialEq>( + lb: T, ub: T, expected_single: <span class="kw-2">&</span>[T], expected_multiple: <span class="kw-2">&</span>[T], + ) <span class="kw">where </span>Uniform<T>: Distribution<T> { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">897</span>); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [lb; <span class="number">3</span>]; + + <span class="kw">for </span>x <span class="kw">in </span><span class="kw-2">&mut </span>buf { + <span class="kw-2">*</span>x = T::Sampler::sample_single(lb, ub, <span class="kw-2">&mut </span>rng); + } + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>buf, expected_single); + + <span class="kw">let </span>distr = Uniform::new(lb, ub); + <span class="kw">for </span>x <span class="kw">in </span><span class="kw-2">&mut </span>buf { + <span class="kw-2">*</span>x = rng.sample(<span class="kw-2">&</span>distr); + } + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>buf, expected_multiple); + } + + <span class="comment">// We test on a sub-set of types; possibly we should do more. + // TODO: SIMD types + + </span>test_samples(<span class="number">11u8</span>, <span class="number">219</span>, <span class="kw-2">&</span>[<span class="number">17</span>, <span class="number">66</span>, <span class="number">214</span>], <span class="kw-2">&</span>[<span class="number">181</span>, <span class="number">93</span>, <span class="number">165</span>]); + test_samples(<span class="number">11u32</span>, <span class="number">219</span>, <span class="kw-2">&</span>[<span class="number">17</span>, <span class="number">66</span>, <span class="number">214</span>], <span class="kw-2">&</span>[<span class="number">181</span>, <span class="number">93</span>, <span class="number">165</span>]); + + test_samples(<span class="number">0f32</span>, <span class="number">1e-2f32</span>, <span class="kw-2">&</span>[<span class="number">0.0003070104</span>, <span class="number">0.0026630748</span>, <span class="number">0.00979833</span>], <span class="kw-2">&</span>[ + <span class="number">0.008194133</span>, + <span class="number">0.00398172</span>, + <span class="number">0.007428536</span>, + ]); + test_samples( + -<span class="number">1e10f64</span>, + <span class="number">1e10f64</span>, + <span class="kw-2">&</span>[-<span class="number">4673848682.871551</span>, <span class="number">6388267422.932352</span>, <span class="number">4857075081.198343</span>], + <span class="kw-2">&</span>[<span class="number">1173375212.1808167</span>, <span class="number">1917642852.109581</span>, <span class="number">2365076174.3153973</span>], + ); + + test_samples( + Duration::new(<span class="number">2</span>, <span class="number">0</span>), + Duration::new(<span class="number">4</span>, <span class="number">0</span>), + <span class="kw-2">&</span>[ + Duration::new(<span class="number">2</span>, <span class="number">532615131</span>), + Duration::new(<span class="number">3</span>, <span class="number">638826742</span>), + Duration::new(<span class="number">3</span>, <span class="number">485707508</span>), + ], + <span class="kw-2">&</span>[ + Duration::new(<span class="number">3</span>, <span class="number">117337521</span>), + Duration::new(<span class="number">3</span>, <span class="number">191764285</span>), + Duration::new(<span class="number">3</span>, <span class="number">236507617</span>), + ], + ); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>uniform_distributions_can_be_compared() { + <span class="macro">assert_eq!</span>(Uniform::new(<span class="number">1.0</span>, <span class="number">2.0</span>), Uniform::new(<span class="number">1.0</span>, <span class="number">2.0</span>)); + + <span class="comment">// To cover UniformInt + </span><span class="macro">assert_eq!</span>(Uniform::new(<span class="number">1 </span><span class="kw">as </span>u32, <span class="number">2 </span><span class="kw">as </span>u32), Uniform::new(<span class="number">1 </span><span class="kw">as </span>u32, <span class="number">2 </span><span class="kw">as </span>u32)); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/utils.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/utils.rs.html new file mode 100644 index 0000000..118f6fa --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/utils.rs.html @@ -0,0 +1,861 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/utils.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>utils.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" 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+<span id="410">410</span> +<span id="411">411</span> +<span id="412">412</span> +<span id="413">413</span> +<span id="414">414</span> +<span id="415">415</span> +<span id="416">416</span> +<span id="417">417</span> +<span id="418">418</span> +<span id="419">419</span> +<span id="420">420</span> +<span id="421">421</span> +<span id="422">422</span> +<span id="423">423</span> +<span id="424">424</span> +<span id="425">425</span> +<span id="426">426</span> +<span id="427">427</span> +<span id="428">428</span> +<span id="429">429</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Math helper functions + +</span><span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] </span><span class="kw">use </span>packed_simd::<span class="kw-2">*</span>; + + +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">trait </span>WideningMultiply<RHS = <span class="self">Self</span>> { + <span class="kw">type </span>Output; + + <span class="kw">fn </span>wmul(<span class="self">self</span>, x: RHS) -> <span class="self">Self</span>::Output; +} + +<span class="macro">macro_rules! </span>wmul_impl { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$wide</span>:ty, <span class="macro-nonterminal">$shift</span>:expr) => { + <span class="kw">impl </span>WideningMultiply <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Output = (<span class="macro-nonterminal">$ty</span>, <span class="macro-nonterminal">$ty</span>); + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>wmul(<span class="self">self</span>, x: <span class="macro-nonterminal">$ty</span>) -> <span class="self">Self</span>::Output { + <span class="kw">let </span>tmp = (<span class="self">self </span><span class="kw">as </span><span class="macro-nonterminal">$wide</span>) * (x <span class="kw">as </span><span class="macro-nonterminal">$wide</span>); + ((tmp >> <span class="macro-nonterminal">$shift</span>) <span class="kw">as </span><span class="macro-nonterminal">$ty</span>, tmp <span class="kw">as </span><span class="macro-nonterminal">$ty</span>) + } + } + }; + + <span class="comment">// simd bulk implementation + </span>($((<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$wide</span>:ident),)+, <span class="macro-nonterminal">$shift</span>:expr) => { + $( + <span class="kw">impl </span>WideningMultiply <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Output = (<span class="macro-nonterminal">$ty</span>, <span class="macro-nonterminal">$ty</span>); + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>wmul(<span class="self">self</span>, x: <span class="macro-nonterminal">$ty</span>) -> <span class="self">Self</span>::Output { + <span class="comment">// For supported vectors, this should compile to a couple + // supported multiply & swizzle instructions (no actual + // casting). + // TODO: optimize + </span><span class="kw">let </span>y: <span class="macro-nonterminal">$wide </span>= <span class="self">self</span>.cast(); + <span class="kw">let </span>x: <span class="macro-nonterminal">$wide </span>= x.cast(); + <span class="kw">let </span>tmp = y * x; + <span class="kw">let </span>hi: <span class="macro-nonterminal">$ty </span>= (tmp >> <span class="macro-nonterminal">$shift</span>).cast(); + <span class="kw">let </span>lo: <span class="macro-nonterminal">$ty </span>= tmp.cast(); + (hi, lo) + } + } + )+ + }; +} +<span class="macro">wmul_impl! </span>{ u8, u16, <span class="number">8 </span>} +<span class="macro">wmul_impl! </span>{ u16, u32, <span class="number">16 </span>} +<span class="macro">wmul_impl! </span>{ u32, u64, <span class="number">32 </span>} +<span class="macro">wmul_impl! </span>{ u64, u128, <span class="number">64 </span>} + +<span class="comment">// This code is a translation of the __mulddi3 function in LLVM's +// compiler-rt. It is an optimised variant of the common method +// `(a + b) * (c + d) = ac + ad + bc + bd`. +// +// For some reason LLVM can optimise the C version very well, but +// keeps shuffling registers in this Rust translation. +</span><span class="macro">macro_rules! </span>wmul_impl_large { + (<span class="macro-nonterminal">$ty</span>:ty, <span class="macro-nonterminal">$half</span>:expr) => { + <span class="kw">impl </span>WideningMultiply <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Output = (<span class="macro-nonterminal">$ty</span>, <span class="macro-nonterminal">$ty</span>); + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>wmul(<span class="self">self</span>, b: <span class="macro-nonterminal">$ty</span>) -> <span class="self">Self</span>::Output { + <span class="kw">const </span>LOWER_MASK: <span class="macro-nonterminal">$ty </span>= !<span class="number">0 </span>>> <span class="macro-nonterminal">$half</span>; + <span class="kw">let </span><span class="kw-2">mut </span>low = (<span class="self">self </span>& LOWER_MASK).wrapping_mul(b & LOWER_MASK); + <span class="kw">let </span><span class="kw-2">mut </span>t = low >> <span class="macro-nonterminal">$half</span>; + low &= LOWER_MASK; + t += (<span class="self">self </span>>> <span class="macro-nonterminal">$half</span>).wrapping_mul(b & LOWER_MASK); + low += (t & LOWER_MASK) << <span class="macro-nonterminal">$half</span>; + <span class="kw">let </span><span class="kw-2">mut </span>high = t >> <span class="macro-nonterminal">$half</span>; + t = low >> <span class="macro-nonterminal">$half</span>; + low &= LOWER_MASK; + t += (b >> <span class="macro-nonterminal">$half</span>).wrapping_mul(<span class="self">self </span>& LOWER_MASK); + low += (t & LOWER_MASK) << <span class="macro-nonterminal">$half</span>; + high += t >> <span class="macro-nonterminal">$half</span>; + high += (<span class="self">self </span>>> <span class="macro-nonterminal">$half</span>).wrapping_mul(b >> <span class="macro-nonterminal">$half</span>); + + (high, low) + } + } + }; + + <span class="comment">// simd bulk implementation + </span>(($(<span class="macro-nonterminal">$ty</span>:ty,)+) <span class="macro-nonterminal">$scalar</span>:ty, <span class="macro-nonterminal">$half</span>:expr) => { + $( + <span class="kw">impl </span>WideningMultiply <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Output = (<span class="macro-nonterminal">$ty</span>, <span class="macro-nonterminal">$ty</span>); + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>wmul(<span class="self">self</span>, b: <span class="macro-nonterminal">$ty</span>) -> <span class="self">Self</span>::Output { + <span class="comment">// needs wrapping multiplication + </span><span class="kw">const </span>LOWER_MASK: <span class="macro-nonterminal">$scalar </span>= !<span class="number">0 </span>>> <span class="macro-nonterminal">$half</span>; + <span class="kw">let </span><span class="kw-2">mut </span>low = (<span class="self">self </span>& LOWER_MASK) * (b & LOWER_MASK); + <span class="kw">let </span><span class="kw-2">mut </span>t = low >> <span class="macro-nonterminal">$half</span>; + low &= LOWER_MASK; + t += (<span class="self">self </span>>> <span class="macro-nonterminal">$half</span>) * (b & LOWER_MASK); + low += (t & LOWER_MASK) << <span class="macro-nonterminal">$half</span>; + <span class="kw">let </span><span class="kw-2">mut </span>high = t >> <span class="macro-nonterminal">$half</span>; + t = low >> <span class="macro-nonterminal">$half</span>; + low &= LOWER_MASK; + t += (b >> <span class="macro-nonterminal">$half</span>) * (<span class="self">self </span>& LOWER_MASK); + low += (t & LOWER_MASK) << <span class="macro-nonterminal">$half</span>; + high += t >> <span class="macro-nonterminal">$half</span>; + high += (<span class="self">self </span>>> <span class="macro-nonterminal">$half</span>) * (b >> <span class="macro-nonterminal">$half</span>); + + (high, low) + } + } + )+ + }; +} +<span class="macro">wmul_impl_large! </span>{ u128, <span class="number">64 </span>} + +<span class="macro">macro_rules! </span>wmul_impl_usize { + (<span class="macro-nonterminal">$ty</span>:ty) => { + <span class="kw">impl </span>WideningMultiply <span class="kw">for </span>usize { + <span class="kw">type </span>Output = (usize, usize); + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>wmul(<span class="self">self</span>, x: usize) -> <span class="self">Self</span>::Output { + <span class="kw">let </span>(high, low) = (<span class="self">self </span><span class="kw">as </span><span class="macro-nonterminal">$ty</span>).wmul(x <span class="kw">as </span><span class="macro-nonterminal">$ty</span>); + (high <span class="kw">as </span>usize, low <span class="kw">as </span>usize) + } + } + }; +} +<span class="attribute">#[cfg(target_pointer_width = <span class="string">"16"</span>)] +</span><span class="macro">wmul_impl_usize! </span>{ u16 } +<span class="attribute">#[cfg(target_pointer_width = <span class="string">"32"</span>)] +</span><span class="macro">wmul_impl_usize! </span>{ u32 } +<span class="attribute">#[cfg(target_pointer_width = <span class="string">"64"</span>)] +</span><span class="macro">wmul_impl_usize! </span>{ u64 } + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="kw">mod </span>simd_wmul { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="attribute">#[cfg(target_arch = <span class="string">"x86"</span>)] </span><span class="kw">use </span>core::arch::x86::<span class="kw-2">*</span>; + <span class="attribute">#[cfg(target_arch = <span class="string">"x86_64"</span>)] </span><span class="kw">use </span>core::arch::x86_64::<span class="kw-2">*</span>; + + <span class="macro">wmul_impl! </span>{ + (u8x2, u16x2), + (u8x4, u16x4), + (u8x8, u16x8), + (u8x16, u16x16), + (u8x32, u16x32),, + <span class="number">8 + </span>} + + <span class="macro">wmul_impl! </span>{ (u16x2, u32x2),, <span class="number">16 </span>} + <span class="macro">wmul_impl! </span>{ (u16x4, u32x4),, <span class="number">16 </span>} + <span class="attribute">#[cfg(not(target_feature = <span class="string">"sse2"</span>))] + </span><span class="macro">wmul_impl! </span>{ (u16x8, u32x8),, <span class="number">16 </span>} + <span class="attribute">#[cfg(not(target_feature = <span class="string">"avx2"</span>))] + </span><span class="macro">wmul_impl! </span>{ (u16x16, u32x16),, <span class="number">16 </span>} + + <span class="comment">// 16-bit lane widths allow use of the x86 `mulhi` instructions, which + // means `wmul` can be implemented with only two instructions. + </span><span class="attribute">#[allow(unused_macros)] + </span><span class="macro">macro_rules! </span>wmul_impl_16 { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$intrinsic</span>:ident, <span class="macro-nonterminal">$mulhi</span>:ident, <span class="macro-nonterminal">$mullo</span>:ident) => { + <span class="kw">impl </span>WideningMultiply <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Output = (<span class="macro-nonterminal">$ty</span>, <span class="macro-nonterminal">$ty</span>); + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>wmul(<span class="self">self</span>, x: <span class="macro-nonterminal">$ty</span>) -> <span class="self">Self</span>::Output { + <span class="kw">let </span>b = <span class="macro-nonterminal">$intrinsic::from_bits</span>(x); + <span class="kw">let </span>a = <span class="macro-nonterminal">$intrinsic::from_bits</span>(<span class="self">self</span>); + <span class="kw">let </span>hi = <span class="macro-nonterminal">$ty::from_bits</span>(<span class="kw">unsafe </span>{ <span class="macro-nonterminal">$mulhi</span>(a, b) }); + <span class="kw">let </span>lo = <span class="macro-nonterminal">$ty::from_bits</span>(<span class="kw">unsafe </span>{ <span class="macro-nonterminal">$mullo</span>(a, b) }); + (hi, lo) + } + } + }; + } + + <span class="attribute">#[cfg(target_feature = <span class="string">"sse2"</span>)] + </span><span class="macro">wmul_impl_16! </span>{ u16x8, __m128i, _mm_mulhi_epu16, _mm_mullo_epi16 } + <span class="attribute">#[cfg(target_feature = <span class="string">"avx2"</span>)] + </span><span class="macro">wmul_impl_16! </span>{ u16x16, __m256i, _mm256_mulhi_epu16, _mm256_mullo_epi16 } + <span class="comment">// FIXME: there are no `__m512i` types in stdsimd yet, so `wmul::<u16x32>` + // cannot use the same implementation. + + </span><span class="macro">wmul_impl! </span>{ + (u32x2, u64x2), + (u32x4, u64x4), + (u32x8, u64x8),, + <span class="number">32 + </span>} + + <span class="comment">// TODO: optimize, this seems to seriously slow things down + </span><span class="macro">wmul_impl_large! </span>{ (u8x64,) u8, <span class="number">4 </span>} + <span class="macro">wmul_impl_large! </span>{ (u16x32,) u16, <span class="number">8 </span>} + <span class="macro">wmul_impl_large! </span>{ (u32x16,) u32, <span class="number">16 </span>} + <span class="macro">wmul_impl_large! </span>{ (u64x2, u64x4, u64x8,) u64, <span class="number">32 </span>} +} + +<span class="doccomment">/// Helper trait when dealing with scalar and SIMD floating point types. +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">trait </span>FloatSIMDUtils { + <span class="comment">// `PartialOrd` for vectors compares lexicographically. We want to compare all + // the individual SIMD lanes instead, and get the combined result over all + // lanes. This is possible using something like `a.lt(b).all()`, but we + // implement it as a trait so we can write the same code for `f32` and `f64`. + // Only the comparison functions we need are implemented. + </span><span class="kw">fn </span>all_lt(<span class="self">self</span>, other: <span class="self">Self</span>) -> bool; + <span class="kw">fn </span>all_le(<span class="self">self</span>, other: <span class="self">Self</span>) -> bool; + <span class="kw">fn </span>all_finite(<span class="self">self</span>) -> bool; + + <span class="kw">type </span>Mask; + <span class="kw">fn </span>finite_mask(<span class="self">self</span>) -> <span class="self">Self</span>::Mask; + <span class="kw">fn </span>gt_mask(<span class="self">self</span>, other: <span class="self">Self</span>) -> <span class="self">Self</span>::Mask; + <span class="kw">fn </span>ge_mask(<span class="self">self</span>, other: <span class="self">Self</span>) -> <span class="self">Self</span>::Mask; + + <span class="comment">// Decrease all lanes where the mask is `true` to the next lower value + // representable by the floating-point type. At least one of the lanes + // must be set. + </span><span class="kw">fn </span>decrease_masked(<span class="self">self</span>, mask: <span class="self">Self</span>::Mask) -> <span class="self">Self</span>; + + <span class="comment">// Convert from int value. Conversion is done while retaining the numerical + // value, not by retaining the binary representation. + </span><span class="kw">type </span>UInt; + <span class="kw">fn </span>cast_from_int(i: <span class="self">Self</span>::UInt) -> <span class="self">Self</span>; +} + +<span class="doccomment">/// Implement functions available in std builds but missing from core primitives +</span><span class="attribute">#[cfg(not(std))] +</span><span class="comment">// False positive: We are following `std` here. +</span><span class="attribute">#[allow(clippy::wrong_self_convention)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">trait </span>Float: Sized { + <span class="kw">fn </span>is_nan(<span class="self">self</span>) -> bool; + <span class="kw">fn </span>is_infinite(<span class="self">self</span>) -> bool; + <span class="kw">fn </span>is_finite(<span class="self">self</span>) -> bool; +} + +<span class="doccomment">/// Implement functions on f32/f64 to give them APIs similar to SIMD types +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">trait </span>FloatAsSIMD: Sized { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>lanes() -> usize { + <span class="number">1 + </span>} + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>splat(scalar: <span class="self">Self</span>) -> <span class="self">Self </span>{ + scalar + } + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>extract(<span class="self">self</span>, index: usize) -> <span class="self">Self </span>{ + <span class="macro">debug_assert_eq!</span>(index, <span class="number">0</span>); + <span class="self">self + </span>} + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>replace(<span class="self">self</span>, index: usize, new_value: <span class="self">Self</span>) -> <span class="self">Self </span>{ + <span class="macro">debug_assert_eq!</span>(index, <span class="number">0</span>); + new_value + } +} + +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">trait </span>BoolAsSIMD: Sized { + <span class="kw">fn </span>any(<span class="self">self</span>) -> bool; + <span class="kw">fn </span>all(<span class="self">self</span>) -> bool; + <span class="kw">fn </span>none(<span class="self">self</span>) -> bool; +} + +<span class="kw">impl </span>BoolAsSIMD <span class="kw">for </span>bool { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>any(<span class="self">self</span>) -> bool { + <span class="self">self + </span>} + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all(<span class="self">self</span>) -> bool { + <span class="self">self + </span>} + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>none(<span class="self">self</span>) -> bool { + !<span class="self">self + </span>} +} + +<span class="macro">macro_rules! </span>scalar_float_impl { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$uty</span>:ident) => { + <span class="attribute">#[cfg(not(std))] + </span><span class="kw">impl </span>Float <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>is_nan(<span class="self">self</span>) -> bool { + <span class="self">self </span>!= <span class="self">self + </span>} + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>is_infinite(<span class="self">self</span>) -> bool { + <span class="self">self </span>== ::core::<span class="macro-nonterminal">$ty::INFINITY </span>|| <span class="self">self </span>== ::core::<span class="macro-nonterminal">$ty::NEG_INFINITY + </span>} + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>is_finite(<span class="self">self</span>) -> bool { + !(<span class="self">self</span>.is_nan() || <span class="self">self</span>.is_infinite()) + } + } + + <span class="kw">impl </span>FloatSIMDUtils <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Mask = bool; + <span class="kw">type </span>UInt = <span class="macro-nonterminal">$uty</span>; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all_lt(<span class="self">self</span>, other: <span class="self">Self</span>) -> bool { + <span class="self">self </span>< other + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all_le(<span class="self">self</span>, other: <span class="self">Self</span>) -> bool { + <span class="self">self </span><= other + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all_finite(<span class="self">self</span>) -> bool { + <span class="self">self</span>.is_finite() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>finite_mask(<span class="self">self</span>) -> <span class="self">Self</span>::Mask { + <span class="self">self</span>.is_finite() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>gt_mask(<span class="self">self</span>, other: <span class="self">Self</span>) -> <span class="self">Self</span>::Mask { + <span class="self">self </span>> other + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>ge_mask(<span class="self">self</span>, other: <span class="self">Self</span>) -> <span class="self">Self</span>::Mask { + <span class="self">self </span>>= other + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>decrease_masked(<span class="self">self</span>, mask: <span class="self">Self</span>::Mask) -> <span class="self">Self </span>{ + <span class="macro">debug_assert!</span>(mask, <span class="string">"At least one lane must be set"</span>); + <<span class="macro-nonterminal">$ty</span>>::from_bits(<span class="self">self</span>.to_bits() - <span class="number">1</span>) + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>cast_from_int(i: <span class="self">Self</span>::UInt) -> <span class="self">Self </span>{ + i <span class="kw">as </span><span class="macro-nonterminal">$ty + </span>} + } + + <span class="kw">impl </span>FloatAsSIMD <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{} + }; +} + +<span class="macro">scalar_float_impl!</span>(f32, u32); +<span class="macro">scalar_float_impl!</span>(f64, u64); + + +<span class="attribute">#[cfg(feature = <span class="string">"simd_support"</span>)] +</span><span class="macro">macro_rules! </span>simd_impl { + (<span class="macro-nonterminal">$ty</span>:ident, <span class="macro-nonterminal">$f_scalar</span>:ident, <span class="macro-nonterminal">$mty</span>:ident, <span class="macro-nonterminal">$uty</span>:ident) => { + <span class="kw">impl </span>FloatSIMDUtils <span class="kw">for </span><span class="macro-nonterminal">$ty </span>{ + <span class="kw">type </span>Mask = <span class="macro-nonterminal">$mty</span>; + <span class="kw">type </span>UInt = <span class="macro-nonterminal">$uty</span>; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all_lt(<span class="self">self</span>, other: <span class="self">Self</span>) -> bool { + <span class="self">self</span>.lt(other).all() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all_le(<span class="self">self</span>, other: <span class="self">Self</span>) -> bool { + <span class="self">self</span>.le(other).all() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>all_finite(<span class="self">self</span>) -> bool { + <span class="self">self</span>.finite_mask().all() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>finite_mask(<span class="self">self</span>) -> <span class="self">Self</span>::Mask { + <span class="comment">// This can possibly be done faster by checking bit patterns + </span><span class="kw">let </span>neg_inf = <span class="macro-nonterminal">$ty::splat</span>(::core::<span class="macro-nonterminal">$f_scalar::NEG_INFINITY</span>); + <span class="kw">let </span>pos_inf = <span class="macro-nonterminal">$ty::splat</span>(::core::<span class="macro-nonterminal">$f_scalar::INFINITY</span>); + <span class="self">self</span>.gt(neg_inf) & <span class="self">self</span>.lt(pos_inf) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>gt_mask(<span class="self">self</span>, other: <span class="self">Self</span>) -> <span class="self">Self</span>::Mask { + <span class="self">self</span>.gt(other) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>ge_mask(<span class="self">self</span>, other: <span class="self">Self</span>) -> <span class="self">Self</span>::Mask { + <span class="self">self</span>.ge(other) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>decrease_masked(<span class="self">self</span>, mask: <span class="self">Self</span>::Mask) -> <span class="self">Self </span>{ + <span class="comment">// Casting a mask into ints will produce all bits set for + // true, and 0 for false. Adding that to the binary + // representation of a float means subtracting one from + // the binary representation, resulting in the next lower + // value representable by $ty. This works even when the + // current value is infinity. + </span><span class="macro">debug_assert!</span>(mask.any(), <span class="string">"At least one lane must be set"</span>); + <<span class="macro-nonterminal">$ty</span>>::from_bits(<<span class="macro-nonterminal">$uty</span>>::from_bits(<span class="self">self</span>) + <<span class="macro-nonterminal">$uty</span>>::from_bits(mask)) + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>cast_from_int(i: <span class="self">Self</span>::UInt) -> <span class="self">Self </span>{ + i.cast() + } + } + }; +} + +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f32x2, f32, m32x2, u32x2 } +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f32x4, f32, m32x4, u32x4 } +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f32x8, f32, m32x8, u32x8 } +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f32x16, f32, m32x16, u32x16 } +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f64x2, f64, m64x2, u64x2 } +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f64x4, f64, m64x4, u64x4 } +<span class="attribute">#[cfg(feature=<span class="string">"simd_support"</span>)] </span><span class="macro">simd_impl! </span>{ f64x8, f64, m64x8, u64x8 } +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/weighted.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/weighted.rs.html new file mode 100644 index 0000000..7ae8d0d --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/weighted.rs.html @@ -0,0 +1,97 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/weighted.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>weighted.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Weighted index sampling +//! +//! This module is deprecated. Use [`crate::distributions::WeightedIndex`] and +//! [`crate::distributions::WeightedError`] instead. + +</span><span class="kw">pub use super</span>::{WeightedIndex, WeightedError}; + +<span class="attribute">#[allow(missing_docs)] +#[deprecated(since = <span class="string">"0.8.0"</span>, note = <span class="string">"moved to rand_distr crate"</span>)] +</span><span class="kw">pub mod </span>alias_method { + <span class="comment">// This module exists to provide a deprecation warning which minimises + // compile errors, but still fails to compile if ever used. + </span><span class="kw">use </span>core::marker::PhantomData; + <span class="kw">use </span>alloc::vec::Vec; + <span class="kw">use </span><span class="kw">super</span>::WeightedError; + + <span class="attribute">#[derive(Debug)] + </span><span class="kw">pub struct </span>WeightedIndex<W: Weight> { + _phantom: PhantomData<W>, + } + <span class="kw">impl</span><W: Weight> WeightedIndex<W> { + <span class="kw">pub fn </span>new(_weights: Vec<W>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, WeightedError> { + <span class="prelude-val">Err</span>(WeightedError::NoItem) + } + } + + <span class="kw">pub trait </span>Weight {} + <span class="macro">macro_rules! </span>impl_weight { + () => {}; + (<span class="macro-nonterminal">$T</span>:ident, $(<span class="macro-nonterminal">$more</span>:ident,)<span class="kw-2">*</span>) => { + <span class="kw">impl </span>Weight <span class="kw">for </span><span class="macro-nonterminal">$T </span>{} + <span class="macro">impl_weight!</span>($(<span class="macro-nonterminal">$more</span>,)<span class="kw-2">*</span>); + }; + } + <span class="macro">impl_weight!</span>(f64, f32,); + <span class="macro">impl_weight!</span>(u8, u16, u32, u64, usize,); + <span class="macro">impl_weight!</span>(i8, i16, i32, i64, isize,); + <span class="macro">impl_weight!</span>(u128, i128,); +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/weighted_index.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/weighted_index.rs.html new file mode 100644 index 0000000..7439a5b --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/distributions/weighted_index.rs.html @@ -0,0 +1,919 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/distributions/weighted_index.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>weighted_index.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> 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This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Weighted index sampling + +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::uniform::{SampleBorrow, SampleUniform, UniformSampler}; +<span class="kw">use </span><span class="kw">crate</span>::distributions::Distribution; +<span class="kw">use </span><span class="kw">crate</span>::Rng; +<span class="kw">use </span>core::cmp::PartialOrd; +<span class="kw">use </span>core::fmt; + +<span class="comment">// Note that this whole module is only imported if feature="alloc" is enabled. +</span><span class="kw">use </span>alloc::vec::Vec; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; + +<span class="doccomment">/// A distribution using weighted sampling of discrete items +/// +/// Sampling a `WeightedIndex` distribution returns the index of a randomly +/// selected element from the iterator used when the `WeightedIndex` was +/// created. The chance of a given element being picked is proportional to the +/// value of the element. The weights can use any type `X` for which an +/// implementation of [`Uniform<X>`] exists. +/// +/// # Performance +/// +/// Time complexity of sampling from `WeightedIndex` is `O(log N)` where +/// `N` is the number of weights. As an alternative, +/// [`rand_distr::weighted_alias`](https://docs.rs/rand_distr/*/rand_distr/weighted_alias/index.html) +/// supports `O(1)` sampling, but with much higher initialisation cost. +/// +/// A `WeightedIndex<X>` contains a `Vec<X>` and a [`Uniform<X>`] and so its +/// size is the sum of the size of those objects, possibly plus some alignment. +/// +/// Creating a `WeightedIndex<X>` will allocate enough space to hold `N - 1` +/// weights of type `X`, where `N` is the number of weights. However, since +/// `Vec` doesn't guarantee a particular growth strategy, additional memory +/// might be allocated but not used. Since the `WeightedIndex` object also +/// contains, this might cause additional allocations, though for primitive +/// types, [`Uniform<X>`] doesn't allocate any memory. +/// +/// Sampling from `WeightedIndex` will result in a single call to +/// `Uniform<X>::sample` (method of the [`Distribution`] trait), which typically +/// will request a single value from the underlying [`RngCore`], though the +/// exact number depends on the implementation of `Uniform<X>::sample`. +/// +/// # Example +/// +/// ``` +/// use rand::prelude::*; +/// use rand::distributions::WeightedIndex; +/// +/// let choices = ['a', 'b', 'c']; +/// let weights = [2, 1, 1]; +/// let dist = WeightedIndex::new(&weights).unwrap(); +/// let mut rng = thread_rng(); +/// for _ in 0..100 { +/// // 50% chance to print 'a', 25% chance to print 'b', 25% chance to print 'c' +/// println!("{}", choices[dist.sample(&mut rng)]); +/// } +/// +/// let items = [('a', 0), ('b', 3), ('c', 7)]; +/// let dist2 = WeightedIndex::new(items.iter().map(|item| item.1)).unwrap(); +/// for _ in 0..100 { +/// // 0% chance to print 'a', 30% chance to print 'b', 70% chance to print 'c' +/// println!("{}", items[dist2.sample(&mut rng)].0); +/// } +/// ``` +/// +/// [`Uniform<X>`]: crate::distributions::Uniform +/// [`RngCore`]: crate::RngCore +</span><span class="attribute">#[derive(Debug, Clone, PartialEq)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] +</span><span class="kw">pub struct </span>WeightedIndex<X: SampleUniform + PartialOrd> { + cumulative_weights: Vec<X>, + total_weight: X, + weight_distribution: X::Sampler, +} + +<span class="kw">impl</span><X: SampleUniform + PartialOrd> WeightedIndex<X> { + <span class="doccomment">/// Creates a new a `WeightedIndex` [`Distribution`] using the values + /// in `weights`. The weights can use any type `X` for which an + /// implementation of [`Uniform<X>`] exists. + /// + /// Returns an error if the iterator is empty, if any weight is `< 0`, or + /// if its total value is 0. + /// + /// [`Uniform<X>`]: crate::distributions::uniform::Uniform + </span><span class="kw">pub fn </span>new<I>(weights: I) -> <span class="prelude-ty">Result</span><WeightedIndex<X>, WeightedError> + <span class="kw">where + </span>I: IntoIterator, + I::Item: SampleBorrow<X>, + X: <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + Clone + Default, + { + <span class="kw">let </span><span class="kw-2">mut </span>iter = weights.into_iter(); + <span class="kw">let </span><span class="kw-2">mut </span>total_weight: X = iter.next().ok_or(WeightedError::NoItem)<span class="question-mark">?</span>.borrow().clone(); + + <span class="kw">let </span>zero = <X <span class="kw">as </span>Default>::default(); + <span class="kw">if </span>!(total_weight >= zero) { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::InvalidWeight); + } + + <span class="kw">let </span><span class="kw-2">mut </span>weights = Vec::<X>::with_capacity(iter.size_hint().<span class="number">0</span>); + <span class="kw">for </span>w <span class="kw">in </span>iter { + <span class="comment">// Note that `!(w >= x)` is not equivalent to `w < x` for partially + // ordered types due to NaNs which are equal to nothing. + </span><span class="kw">if </span>!(w.borrow() >= <span class="kw-2">&</span>zero) { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::InvalidWeight); + } + weights.push(total_weight.clone()); + total_weight += w.borrow(); + } + + <span class="kw">if </span>total_weight == zero { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::AllWeightsZero); + } + <span class="kw">let </span>distr = X::Sampler::new(zero, total_weight.clone()); + + <span class="prelude-val">Ok</span>(WeightedIndex { + cumulative_weights: weights, + total_weight, + weight_distribution: distr, + }) + } + + <span class="doccomment">/// Update a subset of weights, without changing the number of weights. + /// + /// `new_weights` must be sorted by the index. + /// + /// Using this method instead of `new` might be more efficient if only a small number of + /// weights is modified. No allocations are performed, unless the weight type `X` uses + /// allocation internally. + /// + /// In case of error, `self` is not modified. + </span><span class="kw">pub fn </span>update_weights(<span class="kw-2">&mut </span><span class="self">self</span>, new_weights: <span class="kw-2">&</span>[(usize, <span class="kw-2">&</span>X)]) -> <span class="prelude-ty">Result</span><(), WeightedError> + <span class="kw">where </span>X: <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + + <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::SubAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + + Clone + + Default { + <span class="kw">if </span>new_weights.is_empty() { + <span class="kw">return </span><span class="prelude-val">Ok</span>(()); + } + + <span class="kw">let </span>zero = <X <span class="kw">as </span>Default>::default(); + + <span class="kw">let </span><span class="kw-2">mut </span>total_weight = <span class="self">self</span>.total_weight.clone(); + + <span class="comment">// Check for errors first, so we don't modify `self` in case something + // goes wrong. + </span><span class="kw">let </span><span class="kw-2">mut </span>prev_i = <span class="prelude-val">None</span>; + <span class="kw">for </span><span class="kw-2">&</span>(i, w) <span class="kw">in </span>new_weights { + <span class="kw">if let </span><span class="prelude-val">Some</span>(old_i) = prev_i { + <span class="kw">if </span>old_i >= i { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::InvalidWeight); + } + } + <span class="kw">if </span>!(<span class="kw-2">*</span>w >= zero) { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::InvalidWeight); + } + <span class="kw">if </span>i > <span class="self">self</span>.cumulative_weights.len() { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::TooMany); + } + + <span class="kw">let </span><span class="kw-2">mut </span>old_w = <span class="kw">if </span>i < <span class="self">self</span>.cumulative_weights.len() { + <span class="self">self</span>.cumulative_weights[i].clone() + } <span class="kw">else </span>{ + <span class="self">self</span>.total_weight.clone() + }; + <span class="kw">if </span>i > <span class="number">0 </span>{ + old_w -= <span class="kw-2">&</span><span class="self">self</span>.cumulative_weights[i - <span class="number">1</span>]; + } + + total_weight -= <span class="kw-2">&</span>old_w; + total_weight += w; + prev_i = <span class="prelude-val">Some</span>(i); + } + <span class="kw">if </span>total_weight <= zero { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::AllWeightsZero); + } + + <span class="comment">// Update the weights. Because we checked all the preconditions in the + // previous loop, this should never panic. + </span><span class="kw">let </span><span class="kw-2">mut </span>iter = new_weights.iter(); + + <span class="kw">let </span><span class="kw-2">mut </span>prev_weight = zero.clone(); + <span class="kw">let </span><span class="kw-2">mut </span>next_new_weight = iter.next(); + <span class="kw">let </span><span class="kw-2">&</span>(first_new_index, <span class="kw">_</span>) = next_new_weight.unwrap(); + <span class="kw">let </span><span class="kw-2">mut </span>cumulative_weight = <span class="kw">if </span>first_new_index > <span class="number">0 </span>{ + <span class="self">self</span>.cumulative_weights[first_new_index - <span class="number">1</span>].clone() + } <span class="kw">else </span>{ + zero.clone() + }; + <span class="kw">for </span>i <span class="kw">in </span>first_new_index..<span class="self">self</span>.cumulative_weights.len() { + <span class="kw">match </span>next_new_weight { + <span class="prelude-val">Some</span>(<span class="kw-2">&</span>(j, w)) <span class="kw">if </span>i == j => { + cumulative_weight += w; + next_new_weight = iter.next(); + } + <span class="kw">_ </span>=> { + <span class="kw">let </span><span class="kw-2">mut </span>tmp = <span class="self">self</span>.cumulative_weights[i].clone(); + tmp -= <span class="kw-2">&</span>prev_weight; <span class="comment">// We know this is positive. + </span>cumulative_weight += <span class="kw-2">&</span>tmp; + } + } + prev_weight = cumulative_weight.clone(); + core::mem::swap(<span class="kw-2">&mut </span>prev_weight, <span class="kw-2">&mut </span><span class="self">self</span>.cumulative_weights[i]); + } + + <span class="self">self</span>.total_weight = total_weight; + <span class="self">self</span>.weight_distribution = X::Sampler::new(zero, <span class="self">self</span>.total_weight.clone()); + + <span class="prelude-val">Ok</span>(()) + } +} + +<span class="kw">impl</span><X> Distribution<usize> <span class="kw">for </span>WeightedIndex<X> +<span class="kw">where </span>X: SampleUniform + PartialOrd +{ + <span class="kw">fn </span>sample<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> usize { + <span class="kw">use </span>::core::cmp::Ordering; + <span class="kw">let </span>chosen_weight = <span class="self">self</span>.weight_distribution.sample(rng); + <span class="comment">// Find the first item which has a weight *higher* than the chosen weight. + </span><span class="self">self</span>.cumulative_weights + .binary_search_by(|w| { + <span class="kw">if </span><span class="kw-2">*</span>w <= chosen_weight { + Ordering::Less + } <span class="kw">else </span>{ + Ordering::Greater + } + }) + .unwrap_err() + } +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] + #[test] + </span><span class="kw">fn </span>test_weightedindex_serde1() { + <span class="kw">let </span>weighted_index = WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>]).unwrap(); + + <span class="kw">let </span>ser_weighted_index = bincode::serialize(<span class="kw-2">&</span>weighted_index).unwrap(); + <span class="kw">let </span>de_weighted_index: WeightedIndex<i32> = + bincode::deserialize(<span class="kw-2">&</span>ser_weighted_index).unwrap(); + + <span class="macro">assert_eq!</span>( + de_weighted_index.cumulative_weights, + weighted_index.cumulative_weights + ); + <span class="macro">assert_eq!</span>(de_weighted_index.total_weight, weighted_index.total_weight); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_accepting_nan(){ + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[core::f32::NAN, <span class="number">0.5</span>]).unwrap_err(), + WeightedError::InvalidWeight, + ); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[core::f32::NAN]).unwrap_err(), + WeightedError::InvalidWeight, + ); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">0.5</span>, core::f32::NAN]).unwrap_err(), + WeightedError::InvalidWeight, + ); + + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">0.5</span>, <span class="number">7.0</span>]) + .unwrap() + .update_weights(<span class="kw-2">&</span>[(<span class="number">0</span>, <span class="kw-2">&</span>core::f32::NAN)]) + .unwrap_err(), + WeightedError::InvalidWeight, + ) + } + + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_weightedindex() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">700</span>); + <span class="kw">const </span>N_REPS: u32 = <span class="number">5000</span>; + <span class="kw">let </span>weights = [<span class="number">1u32</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>]; + <span class="kw">let </span>total_weight = weights.iter().sum::<u32>() <span class="kw">as </span>f32; + + <span class="kw">let </span>verify = |result: [i32; <span class="number">14</span>]| { + <span class="kw">for </span>(i, count) <span class="kw">in </span>result.iter().enumerate() { + <span class="kw">let </span>exp = (weights[i] * N_REPS) <span class="kw">as </span>f32 / total_weight; + <span class="kw">let </span><span class="kw-2">mut </span>err = (<span class="kw-2">*</span>count <span class="kw">as </span>f32 - exp).abs(); + <span class="kw">if </span>err != <span class="number">0.0 </span>{ + err /= exp; + } + <span class="macro">assert!</span>(err <= <span class="number">0.25</span>); + } + }; + + <span class="comment">// WeightedIndex from vec + </span><span class="kw">let </span><span class="kw-2">mut </span>chosen = [<span class="number">0i32</span>; <span class="number">14</span>]; + <span class="kw">let </span>distr = WeightedIndex::new(weights.to_vec()).unwrap(); + <span class="kw">for _ in </span><span class="number">0</span>..N_REPS { + chosen[distr.sample(<span class="kw-2">&mut </span>r)] += <span class="number">1</span>; + } + verify(chosen); + + <span class="comment">// WeightedIndex from slice + </span>chosen = [<span class="number">0i32</span>; <span class="number">14</span>]; + <span class="kw">let </span>distr = WeightedIndex::new(<span class="kw-2">&</span>weights[..]).unwrap(); + <span class="kw">for _ in </span><span class="number">0</span>..N_REPS { + chosen[distr.sample(<span class="kw-2">&mut </span>r)] += <span class="number">1</span>; + } + verify(chosen); + + <span class="comment">// WeightedIndex from iterator + </span>chosen = [<span class="number">0i32</span>; <span class="number">14</span>]; + <span class="kw">let </span>distr = WeightedIndex::new(weights.iter()).unwrap(); + <span class="kw">for _ in </span><span class="number">0</span>..N_REPS { + chosen[distr.sample(<span class="kw-2">&mut </span>r)] += <span class="number">1</span>; + } + verify(chosen); + + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">5 </span>{ + <span class="macro">assert_eq!</span>(WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">1</span>]).unwrap().sample(<span class="kw-2">&mut </span>r), <span class="number">1</span>); + <span class="macro">assert_eq!</span>(WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">1</span>, <span class="number">0</span>]).unwrap().sample(<span class="kw-2">&mut </span>r), <span class="number">0</span>); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">10</span>, <span class="number">0</span>]) + .unwrap() + .sample(<span class="kw-2">&mut </span>r), + <span class="number">4 + </span>); + } + + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">10</span>][<span class="number">0</span>..<span class="number">0</span>]).unwrap_err(), + WeightedError::NoItem + ); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">0</span>]).unwrap_err(), + WeightedError::AllWeightsZero + ); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">10</span>, <span class="number">20</span>, -<span class="number">1</span>, <span class="number">30</span>]).unwrap_err(), + WeightedError::InvalidWeight + ); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[-<span class="number">10</span>, <span class="number">20</span>, <span class="number">1</span>, <span class="number">30</span>]).unwrap_err(), + WeightedError::InvalidWeight + ); + <span class="macro">assert_eq!</span>( + WeightedIndex::new(<span class="kw-2">&</span>[-<span class="number">10</span>]).unwrap_err(), + WeightedError::InvalidWeight + ); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_update_weights() { + <span class="kw">let </span>data = [ + ( + <span class="kw-2">&</span>[<span class="number">10u32</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>][..], + <span class="kw-2">&</span>[(<span class="number">1</span>, <span class="kw-2">&</span><span class="number">100</span>), (<span class="number">2</span>, <span class="kw-2">&</span><span class="number">4</span>)][..], <span class="comment">// positive change + </span><span class="kw-2">&</span>[<span class="number">10</span>, <span class="number">100</span>, <span class="number">4</span>, <span class="number">4</span>][..], + ), + ( + <span class="kw-2">&</span>[<span class="number">1u32</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>][..], + <span class="kw-2">&</span>[(<span class="number">2</span>, <span class="kw-2">&</span><span class="number">1</span>), (<span class="number">5</span>, <span class="kw-2">&</span><span class="number">1</span>), (<span class="number">13</span>, <span class="kw-2">&</span><span class="number">100</span>)][..], <span class="comment">// negative change and last element + </span><span class="kw-2">&</span>[<span class="number">1u32</span>, <span class="number">2</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">5</span>, <span class="number">1</span>, <span class="number">7</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">100</span>][..], + ), + ]; + + <span class="kw">for </span>(weights, update, expected_weights) <span class="kw">in </span>data.iter() { + <span class="kw">let </span>total_weight = weights.iter().sum::<u32>(); + <span class="kw">let </span><span class="kw-2">mut </span>distr = WeightedIndex::new(weights.to_vec()).unwrap(); + <span class="macro">assert_eq!</span>(distr.total_weight, total_weight); + + distr.update_weights(update).unwrap(); + <span class="kw">let </span>expected_total_weight = expected_weights.iter().sum::<u32>(); + <span class="kw">let </span>expected_distr = WeightedIndex::new(expected_weights.to_vec()).unwrap(); + <span class="macro">assert_eq!</span>(distr.total_weight, expected_total_weight); + <span class="macro">assert_eq!</span>(distr.total_weight, expected_distr.total_weight); + <span class="macro">assert_eq!</span>(distr.cumulative_weights, expected_distr.cumulative_weights); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability() { + <span class="kw">fn </span>test_samples<X: SampleUniform + PartialOrd, I>( + weights: I, buf: <span class="kw-2">&mut </span>[usize], expected: <span class="kw-2">&</span>[usize], + ) <span class="kw">where + </span>I: IntoIterator, + I::Item: SampleBorrow<X>, + X: <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + Clone + Default, + { + <span class="macro">assert_eq!</span>(buf.len(), expected.len()); + <span class="kw">let </span>distr = WeightedIndex::new(weights).unwrap(); + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">701</span>); + <span class="kw">for </span>r <span class="kw">in </span>buf.iter_mut() { + <span class="kw-2">*</span>r = rng.sample(<span class="kw-2">&</span>distr); + } + <span class="macro">assert_eq!</span>(buf, expected); + } + + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0</span>; <span class="number">10</span>]; + test_samples(<span class="kw-2">&</span>[<span class="number">1i32</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">1</span>, <span class="number">1</span>], <span class="kw-2">&mut </span>buf, <span class="kw-2">&</span>[ + <span class="number">0</span>, <span class="number">6</span>, <span class="number">2</span>, <span class="number">6</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">2</span>, <span class="number">5</span>, + ]); + test_samples(<span class="kw-2">&</span>[<span class="number">0.7f32</span>, <span class="number">0.1</span>, <span class="number">0.1</span>, <span class="number">0.1</span>], <span class="kw-2">&mut </span>buf, <span class="kw-2">&</span>[ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, + ]); + test_samples(<span class="kw-2">&</span>[<span class="number">1.0f64</span>, <span class="number">0.999</span>, <span class="number">0.998</span>, <span class="number">0.997</span>], <span class="kw-2">&mut </span>buf, <span class="kw-2">&</span>[ + <span class="number">2</span>, <span class="number">2</span>, <span class="number">1</span>, <span class="number">3</span>, <span class="number">2</span>, <span class="number">1</span>, <span class="number">3</span>, <span class="number">3</span>, <span class="number">2</span>, <span class="number">1</span>, + ]); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>weighted_index_distributions_can_be_compared() { + <span class="macro">assert_eq!</span>(WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">1</span>, <span class="number">2</span>]), WeightedIndex::new(<span class="kw-2">&</span>[<span class="number">1</span>, <span class="number">2</span>])); + } +} + +<span class="doccomment">/// Error type returned from `WeightedIndex::new`. +</span><span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +</span><span class="kw">pub enum </span>WeightedError { + <span class="doccomment">/// The provided weight collection contains no items. + </span>NoItem, + + <span class="doccomment">/// A weight is either less than zero, greater than the supported maximum, + /// NaN, or otherwise invalid. + </span>InvalidWeight, + + <span class="doccomment">/// All items in the provided weight collection are zero. + </span>AllWeightsZero, + + <span class="doccomment">/// Too many weights are provided (length greater than `u32::MAX`) + </span>TooMany, +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>std::error::Error <span class="kw">for </span>WeightedError {} + +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>WeightedError { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + f.write_str(<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + WeightedError::NoItem => <span class="string">"No weights provided in distribution"</span>, + WeightedError::InvalidWeight => <span class="string">"A weight is invalid in distribution"</span>, + WeightedError::AllWeightsZero => <span class="string">"All weights are zero in distribution"</span>, + WeightedError::TooMany => <span class="string">"Too many weights (hit u32::MAX) in distribution"</span>, + }) + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
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This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Utilities for random number generation +//! +//! Rand provides utilities to generate random numbers, to convert them to +//! useful types and distributions, and some randomness-related algorithms. +//! +//! # Quick Start +//! +//! To get you started quickly, the easiest and highest-level way to get +//! a random value is to use [`random()`]; alternatively you can use +//! [`thread_rng()`]. The [`Rng`] trait provides a useful API on all RNGs, while +//! the [`distributions`] and [`seq`] modules provide further +//! functionality on top of RNGs. +//! +//! ``` +//! use rand::prelude::*; +//! +//! if rand::random() { // generates a boolean +//! // Try printing a random unicode code point (probably a bad idea)! +//! println!("char: {}", rand::random::<char>()); +//! } +//! +//! let mut rng = rand::thread_rng(); +//! let y: f64 = rng.gen(); // generates a float between 0 and 1 +//! +//! let mut nums: Vec<i32> = (1..100).collect(); +//! nums.shuffle(&mut rng); +//! ``` +//! +//! # The Book +//! +//! For the user guide and further documentation, please read +//! [The Rust Rand Book](https://rust-random.github.io/book). + +</span><span class="attribute">#![doc( + html_logo_url = <span class="string">"https://www.rust-lang.org/logos/rust-logo-128x128-blk.png"</span>, + html_favicon_url = <span class="string">"https://www.rust-lang.org/favicon.ico"</span>, + html_root_url = <span class="string">"https://rust-random.github.io/rand/" +</span>)] +#![deny(missing_docs)] +#![deny(missing_debug_implementations)] +#![doc(test(attr(allow(unused_variables), deny(warnings))))] +#![no_std] +#![cfg_attr(feature = <span class="string">"simd_support"</span>, feature(stdsimd))] +#![cfg_attr(doc_cfg, feature(doc_cfg))] +#![allow( + clippy::float_cmp, + clippy::neg_cmp_op_on_partial_ord, +)] + +#[cfg(feature = <span class="string">"std"</span>)] </span><span class="kw">extern crate </span>std; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">extern crate </span>alloc; + +<span class="attribute">#[allow(unused)] +</span><span class="macro">macro_rules! </span>trace { ($(<span class="macro-nonterminal">$x</span>:tt)<span class="kw-2">*</span>) => ( + <span class="attribute">#[cfg(feature = <span class="string">"log"</span>)] </span>{ + <span class="macro">log::trace!</span>($(<span class="macro-nonterminal">$x</span>)<span class="kw-2">*</span>) + } +) } +<span class="attribute">#[allow(unused)] +</span><span class="macro">macro_rules! </span>debug { ($(<span class="macro-nonterminal">$x</span>:tt)<span class="kw-2">*</span>) => ( + <span class="attribute">#[cfg(feature = <span class="string">"log"</span>)] </span>{ + <span class="macro">log::debug!</span>($(<span class="macro-nonterminal">$x</span>)<span class="kw-2">*</span>) + } +) } +<span class="attribute">#[allow(unused)] +</span><span class="macro">macro_rules! </span>info { ($(<span class="macro-nonterminal">$x</span>:tt)<span class="kw-2">*</span>) => ( + <span class="attribute">#[cfg(feature = <span class="string">"log"</span>)] </span>{ + <span class="macro">log::info!</span>($(<span class="macro-nonterminal">$x</span>)<span class="kw-2">*</span>) + } +) } +<span class="attribute">#[allow(unused)] +</span><span class="macro">macro_rules! </span>warn { ($(<span class="macro-nonterminal">$x</span>:tt)<span class="kw-2">*</span>) => ( + <span class="attribute">#[cfg(feature = <span class="string">"log"</span>)] </span>{ + <span class="macro">log::warn!</span>($(<span class="macro-nonterminal">$x</span>)<span class="kw-2">*</span>) + } +) } +<span class="attribute">#[allow(unused)] +</span><span class="macro">macro_rules! </span>error { ($(<span class="macro-nonterminal">$x</span>:tt)<span class="kw-2">*</span>) => ( + <span class="attribute">#[cfg(feature = <span class="string">"log"</span>)] </span>{ + <span class="macro">log::error!</span>($(<span class="macro-nonterminal">$x</span>)<span class="kw-2">*</span>) + } +) } + +<span class="comment">// Re-exports from rand_core +</span><span class="kw">pub use </span>rand_core::{CryptoRng, Error, RngCore, SeedableRng}; + +<span class="comment">// Public modules +</span><span class="kw">pub mod </span>distributions; +<span class="kw">pub mod </span>prelude; +<span class="kw">mod </span>rng; +<span class="kw">pub mod </span>rngs; +<span class="kw">pub mod </span>seq; + +<span class="comment">// Public exports +</span><span class="attribute">#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] +</span><span class="kw">pub use </span><span class="kw">crate</span>::rngs::thread::thread_rng; +<span class="kw">pub use </span>rng::{Fill, Rng}; + +<span class="attribute">#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Standard}; + +<span class="doccomment">/// Generates a random value using the thread-local random number generator. +/// +/// This is simply a shortcut for `thread_rng().gen()`. See [`thread_rng`] for +/// documentation of the entropy source and [`Standard`] for documentation of +/// distributions and type-specific generation. +/// +/// # Provided implementations +/// +/// The following types have provided implementations that +/// generate values with the following ranges and distributions: +/// +/// * Integers (`i32`, `u32`, `isize`, `usize`, etc.): Uniformly distributed +/// over all values of the type. +/// * `char`: Uniformly distributed over all Unicode scalar values, i.e. all +/// code points in the range `0...0x10_FFFF`, except for the range +/// `0xD800...0xDFFF` (the surrogate code points). This includes +/// unassigned/reserved code points. +/// * `bool`: Generates `false` or `true`, each with probability 0.5. +/// * Floating point types (`f32` and `f64`): Uniformly distributed in the +/// half-open range `[0, 1)`. See notes below. +/// * Wrapping integers (`Wrapping<T>`), besides the type identical to their +/// normal integer variants. +/// +/// Also supported is the generation of the following +/// compound types where all component types are supported: +/// +/// * Tuples (up to 12 elements): each element is generated sequentially. +/// * Arrays (up to 32 elements): each element is generated sequentially; +/// see also [`Rng::fill`] which supports arbitrary array length for integer +/// types and tends to be faster for `u32` and smaller types. +/// * `Option<T>` first generates a `bool`, and if true generates and returns +/// `Some(value)` where `value: T`, otherwise returning `None`. +/// +/// # Examples +/// +/// ``` +/// let x = rand::random::<u8>(); +/// println!("{}", x); +/// +/// let y = rand::random::<f64>(); +/// println!("{}", y); +/// +/// if rand::random() { // generates a boolean +/// println!("Better lucky than good!"); +/// } +/// ``` +/// +/// If you're calling `random()` in a loop, caching the generator as in the +/// following example can increase performance. +/// +/// ``` +/// use rand::Rng; +/// +/// let mut v = vec![1, 2, 3]; +/// +/// for x in v.iter_mut() { +/// *x = rand::random() +/// } +/// +/// // can be made faster by caching thread_rng +/// +/// let mut rng = rand::thread_rng(); +/// +/// for x in v.iter_mut() { +/// *x = rng.gen(); +/// } +/// ``` +/// +/// [`Standard`]: distributions::Standard +</span><span class="attribute">#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] +#[cfg_attr(doc_cfg, doc(cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))))] +#[inline] +</span><span class="kw">pub fn </span>random<T>() -> T +<span class="kw">where </span>Standard: Distribution<T> { + thread_rng().gen() +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="doccomment">/// Construct a deterministic RNG with the given seed + </span><span class="kw">pub fn </span>rng(seed: u64) -> <span class="kw">impl </span>RngCore { + <span class="comment">// For tests, we want a statistically good, fast, reproducible RNG. + // PCG32 will do fine, and will be easy to embed if we ever need to. + </span><span class="kw">const </span>INC: u64 = <span class="number">11634580027462260723</span>; + rand_pcg::Pcg32::new(seed, INC) + } + + <span class="attribute">#[test] + #[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] + </span><span class="kw">fn </span>test_random() { + <span class="kw">let </span>_n: usize = random(); + <span class="kw">let </span>_f: f32 = random(); + <span class="kw">let </span>_o: <span class="prelude-ty">Option</span><<span class="prelude-ty">Option</span><i8>> = random(); + <span class="attribute">#[allow(clippy::type_complexity)] + </span><span class="kw">let </span>_many: ( + (), + (usize, isize, <span class="prelude-ty">Option</span><(u32, (bool,))>), + (u8, i8, u16, i16, u32, i32, u64, i64), + (f32, (f64, (f64,))), + ) = random(); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/prelude.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/prelude.rs.html new file mode 100644 index 0000000..777b203 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/prelude.rs.html @@ -0,0 +1,71 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/prelude.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>prelude.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Convenience re-export of common members +//! +//! Like the standard library's prelude, this module simplifies importing of +//! common items. Unlike the standard prelude, the contents of this module must +//! be imported manually: +//! +//! ``` +//! use rand::prelude::*; +//! # let mut r = StdRng::from_rng(thread_rng()).unwrap(); +//! # let _: f32 = r.gen(); +//! ``` + +</span><span class="attribute">#[doc(no_inline)] </span><span class="kw">pub use </span><span class="kw">crate</span>::distributions::Distribution; +<span class="attribute">#[cfg(feature = <span class="string">"small_rng"</span>)] +#[doc(no_inline)] +</span><span class="kw">pub use </span><span class="kw">crate</span>::rngs::SmallRng; +<span class="attribute">#[cfg(feature = <span class="string">"std_rng"</span>)] +#[doc(no_inline)] </span><span class="kw">pub use </span><span class="kw">crate</span>::rngs::StdRng; +<span class="attribute">#[doc(no_inline)] +#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] +</span><span class="kw">pub use </span><span class="kw">crate</span>::rngs::ThreadRng; +<span class="attribute">#[doc(no_inline)] </span><span class="kw">pub use </span><span class="kw">crate</span>::seq::{IteratorRandom, SliceRandom}; +<span class="attribute">#[doc(no_inline)] +#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] +</span><span class="kw">pub use crate</span>::{random, thread_rng}; +<span class="attribute">#[doc(no_inline)] </span><span class="kw">pub use crate</span>::{CryptoRng, Rng, RngCore, SeedableRng}; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rng.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rng.rs.html new file mode 100644 index 0000000..1e28705 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rng.rs.html @@ -0,0 +1,1203 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rng.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>rng.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link 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href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre 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id="599">599</span> +<span id="600">600</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// Copyright 2013-2017 The Rust Project Developers. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! [`Rng`] trait + +</span><span class="kw">use </span>rand_core::{Error, RngCore}; +<span class="kw">use </span><span class="kw">crate</span>::distributions::uniform::{SampleRange, SampleUniform}; +<span class="kw">use </span><span class="kw">crate</span>::distributions::{<span class="self">self</span>, Distribution, Standard}; +<span class="kw">use </span>core::num::Wrapping; +<span class="kw">use </span>core::{mem, slice}; + +<span class="doccomment">/// An automatically-implemented extension trait on [`RngCore`] providing high-level +/// generic methods for sampling values and other convenience methods. +/// +/// This is the primary trait to use when generating random values. +/// +/// # Generic usage +/// +/// The basic pattern is `fn foo<R: Rng + ?Sized>(rng: &mut R)`. Some +/// things are worth noting here: +/// +/// - Since `Rng: RngCore` and every `RngCore` implements `Rng`, it makes no +/// difference whether we use `R: Rng` or `R: RngCore`. +/// - The `+ ?Sized` un-bounding allows functions to be called directly on +/// type-erased references; i.e. `foo(r)` where `r: &mut dyn RngCore`. Without +/// this it would be necessary to write `foo(&mut r)`. +/// +/// An alternative pattern is possible: `fn foo<R: Rng>(rng: R)`. This has some +/// trade-offs. It allows the argument to be consumed directly without a `&mut` +/// (which is how `from_rng(thread_rng())` works); also it still works directly +/// on references (including type-erased references). Unfortunately within the +/// function `foo` it is not known whether `rng` is a reference type or not, +/// hence many uses of `rng` require an extra reference, either explicitly +/// (`distr.sample(&mut rng)`) or implicitly (`rng.gen()`); one may hope the +/// optimiser can remove redundant references later. +/// +/// Example: +/// +/// ``` +/// # use rand::thread_rng; +/// use rand::Rng; +/// +/// fn foo<R: Rng + ?Sized>(rng: &mut R) -> f32 { +/// rng.gen() +/// } +/// +/// # let v = foo(&mut thread_rng()); +/// ``` +</span><span class="kw">pub trait </span>Rng: RngCore { + <span class="doccomment">/// Return a random value supporting the [`Standard`] distribution. + /// + /// # Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// + /// let mut rng = thread_rng(); + /// let x: u32 = rng.gen(); + /// println!("{}", x); + /// println!("{:?}", rng.gen::<(f64, bool)>()); + /// ``` + /// + /// # Arrays and tuples + /// + /// The `rng.gen()` method is able to generate arrays (up to 32 elements) + /// and tuples (up to 12 elements), so long as all element types can be + /// generated. + /// When using `rustc` ≥ 1.51, enable the `min_const_gen` feature to support + /// arrays larger than 32 elements. + /// + /// For arrays of integers, especially for those with small element types + /// (< 64 bit), it will likely be faster to instead use [`Rng::fill`]. + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// + /// let mut rng = thread_rng(); + /// let tuple: (u8, i32, char) = rng.gen(); // arbitrary tuple support + /// + /// let arr1: [f32; 32] = rng.gen(); // array construction + /// let mut arr2 = [0u8; 128]; + /// rng.fill(&mut arr2); // array fill + /// ``` + /// + /// [`Standard`]: distributions::Standard + </span><span class="attribute">#[inline] + </span><span class="kw">fn </span>gen<T>(<span class="kw-2">&mut </span><span class="self">self</span>) -> T + <span class="kw">where </span>Standard: Distribution<T> { + Standard.sample(<span class="self">self</span>) + } + + <span class="doccomment">/// Generate a random value in the given range. + /// + /// This function is optimised for the case that only a single sample is + /// made from the given range. See also the [`Uniform`] distribution + /// type which may be faster if sampling from the same range repeatedly. + /// + /// Only `gen_range(low..high)` and `gen_range(low..=high)` are supported. + /// + /// # Panics + /// + /// Panics if the range is empty. + /// + /// # Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// + /// let mut rng = thread_rng(); + /// + /// // Exclusive range + /// let n: u32 = rng.gen_range(0..10); + /// println!("{}", n); + /// let m: f64 = rng.gen_range(-40.0..1.3e5); + /// println!("{}", m); + /// + /// // Inclusive range + /// let n: u32 = rng.gen_range(0..=10); + /// println!("{}", n); + /// ``` + /// + /// [`Uniform`]: distributions::uniform::Uniform + </span><span class="kw">fn </span>gen_range<T, R>(<span class="kw-2">&mut </span><span class="self">self</span>, range: R) -> T + <span class="kw">where + </span>T: SampleUniform, + R: SampleRange<T> + { + <span class="macro">assert!</span>(!range.is_empty(), <span class="string">"cannot sample empty range"</span>); + range.sample_single(<span class="self">self</span>) + } + + <span class="doccomment">/// Sample a new value, using the given distribution. + /// + /// ### Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// use rand::distributions::Uniform; + /// + /// let mut rng = thread_rng(); + /// let x = rng.sample(Uniform::new(10u32, 15)); + /// // Type annotation requires two types, the type and distribution; the + /// // distribution can be inferred. + /// let y = rng.sample::<u16, _>(Uniform::new(10, 15)); + /// ``` + </span><span class="kw">fn </span>sample<T, D: Distribution<T>>(<span class="kw-2">&mut </span><span class="self">self</span>, distr: D) -> T { + distr.sample(<span class="self">self</span>) + } + + <span class="doccomment">/// Create an iterator that generates values using the given distribution. + /// + /// Note that this function takes its arguments by value. This works since + /// `(&mut R): Rng where R: Rng` and + /// `(&D): Distribution where D: Distribution`, + /// however borrowing is not automatic hence `rng.sample_iter(...)` may + /// need to be replaced with `(&mut rng).sample_iter(...)`. + /// + /// # Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// use rand::distributions::{Alphanumeric, Uniform, Standard}; + /// + /// let mut rng = thread_rng(); + /// + /// // Vec of 16 x f32: + /// let v: Vec<f32> = (&mut rng).sample_iter(Standard).take(16).collect(); + /// + /// // String: + /// let s: String = (&mut rng).sample_iter(Alphanumeric) + /// .take(7) + /// .map(char::from) + /// .collect(); + /// + /// // Combined values + /// println!("{:?}", (&mut rng).sample_iter(Standard).take(5) + /// .collect::<Vec<(f64, bool)>>()); + /// + /// // Dice-rolling: + /// let die_range = Uniform::new_inclusive(1, 6); + /// let mut roll_die = (&mut rng).sample_iter(die_range); + /// while roll_die.next().unwrap() != 6 { + /// println!("Not a 6; rolling again!"); + /// } + /// ``` + </span><span class="kw">fn </span>sample_iter<T, D>(<span class="self">self</span>, distr: D) -> distributions::DistIter<D, <span class="self">Self</span>, T> + <span class="kw">where + </span>D: Distribution<T>, + <span class="self">Self</span>: Sized, + { + distr.sample_iter(<span class="self">self</span>) + } + + <span class="doccomment">/// Fill any type implementing [`Fill`] with random data + /// + /// The distribution is expected to be uniform with portable results, but + /// this cannot be guaranteed for third-party implementations. + /// + /// This is identical to [`try_fill`] except that it panics on error. + /// + /// # Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// + /// let mut arr = [0i8; 20]; + /// thread_rng().fill(&mut arr[..]); + /// ``` + /// + /// [`fill_bytes`]: RngCore::fill_bytes + /// [`try_fill`]: Rng::try_fill + </span><span class="kw">fn </span>fill<T: Fill + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>T) { + dest.try_fill(<span class="self">self</span>).unwrap_or_else(|<span class="kw">_</span>| <span class="macro">panic!</span>(<span class="string">"Rng::fill failed"</span>)) + } + + <span class="doccomment">/// Fill any type implementing [`Fill`] with random data + /// + /// The distribution is expected to be uniform with portable results, but + /// this cannot be guaranteed for third-party implementations. + /// + /// This is identical to [`fill`] except that it forwards errors. + /// + /// # Example + /// + /// ``` + /// # use rand::Error; + /// use rand::{thread_rng, Rng}; + /// + /// # fn try_inner() -> Result<(), Error> { + /// let mut arr = [0u64; 4]; + /// thread_rng().try_fill(&mut arr[..])?; + /// # Ok(()) + /// # } + /// + /// # try_inner().unwrap() + /// ``` + /// + /// [`try_fill_bytes`]: RngCore::try_fill_bytes + /// [`fill`]: Rng::fill + </span><span class="kw">fn </span>try_fill<T: Fill + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>T) -> <span class="prelude-ty">Result</span><(), Error> { + dest.try_fill(<span class="self">self</span>) + } + + <span class="doccomment">/// Return a bool with a probability `p` of being true. + /// + /// See also the [`Bernoulli`] distribution, which may be faster if + /// sampling from the same probability repeatedly. + /// + /// # Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// + /// let mut rng = thread_rng(); + /// println!("{}", rng.gen_bool(1.0 / 3.0)); + /// ``` + /// + /// # Panics + /// + /// If `p < 0` or `p > 1`. + /// + /// [`Bernoulli`]: distributions::Bernoulli + </span><span class="attribute">#[inline] + </span><span class="kw">fn </span>gen_bool(<span class="kw-2">&mut </span><span class="self">self</span>, p: f64) -> bool { + <span class="kw">let </span>d = distributions::Bernoulli::new(p).unwrap(); + <span class="self">self</span>.sample(d) + } + + <span class="doccomment">/// Return a bool with a probability of `numerator/denominator` of being + /// true. I.e. `gen_ratio(2, 3)` has chance of 2 in 3, or about 67%, of + /// returning true. If `numerator == denominator`, then the returned value + /// is guaranteed to be `true`. If `numerator == 0`, then the returned + /// value is guaranteed to be `false`. + /// + /// See also the [`Bernoulli`] distribution, which may be faster if + /// sampling from the same `numerator` and `denominator` repeatedly. + /// + /// # Panics + /// + /// If `denominator == 0` or `numerator > denominator`. + /// + /// # Example + /// + /// ``` + /// use rand::{thread_rng, Rng}; + /// + /// let mut rng = thread_rng(); + /// println!("{}", rng.gen_ratio(2, 3)); + /// ``` + /// + /// [`Bernoulli`]: distributions::Bernoulli + </span><span class="attribute">#[inline] + </span><span class="kw">fn </span>gen_ratio(<span class="kw-2">&mut </span><span class="self">self</span>, numerator: u32, denominator: u32) -> bool { + <span class="kw">let </span>d = distributions::Bernoulli::from_ratio(numerator, denominator).unwrap(); + <span class="self">self</span>.sample(d) + } +} + +<span class="kw">impl</span><R: RngCore + <span class="question-mark">?</span>Sized> Rng <span class="kw">for </span>R {} + +<span class="doccomment">/// Types which may be filled with random data +/// +/// This trait allows arrays to be efficiently filled with random data. +/// +/// Implementations are expected to be portable across machines unless +/// clearly documented otherwise (see the +/// [Chapter on Portability](https://rust-random.github.io/book/portability.html)). +</span><span class="kw">pub trait </span>Fill { + <span class="doccomment">/// Fill self with random data + </span><span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error>; +} + +<span class="macro">macro_rules! </span>impl_fill_each { + () => {}; + (<span class="macro-nonterminal">$t</span>:ty) => { + <span class="kw">impl </span>Fill <span class="kw">for </span>[<span class="macro-nonterminal">$t</span>] { + <span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">for </span>elt <span class="kw">in </span><span class="self">self</span>.iter_mut() { + <span class="kw-2">*</span>elt = rng.gen(); + } + <span class="prelude-val">Ok</span>(()) + } + } + }; + (<span class="macro-nonterminal">$t</span>:ty, $(<span class="macro-nonterminal">$tt</span>:ty,)<span class="kw-2">*</span>) => { + <span class="macro">impl_fill_each!</span>(<span class="macro-nonterminal">$t</span>); + <span class="macro">impl_fill_each!</span>($(<span class="macro-nonterminal">$tt</span>,)<span class="kw-2">*</span>); + }; +} + +<span class="macro">impl_fill_each!</span>(bool, char, f32, f64,); + +<span class="kw">impl </span>Fill <span class="kw">for </span>[u8] { + <span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error> { + rng.try_fill_bytes(<span class="self">self</span>) + } +} + +<span class="macro">macro_rules! </span>impl_fill { + () => {}; + (<span class="macro-nonterminal">$t</span>:ty) => { + <span class="kw">impl </span>Fill <span class="kw">for </span>[<span class="macro-nonterminal">$t</span>] { + <span class="attribute">#[inline(never)] </span><span class="comment">// in micro benchmarks, this improves performance + </span><span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">if </span><span class="self">self</span>.len() > <span class="number">0 </span>{ + rng.try_fill_bytes(<span class="kw">unsafe </span>{ + slice::from_raw_parts_mut(<span class="self">self</span>.as_mut_ptr() + <span class="kw">as </span><span class="kw-2">*mut </span>u8, + <span class="self">self</span>.len() * mem::size_of::<<span class="macro-nonterminal">$t</span>>() + ) + })<span class="question-mark">?</span>; + <span class="kw">for </span>x <span class="kw">in </span><span class="self">self </span>{ + <span class="kw-2">*</span>x = x.to_le(); + } + } + <span class="prelude-val">Ok</span>(()) + } + } + + <span class="kw">impl </span>Fill <span class="kw">for </span>[Wrapping<<span class="macro-nonterminal">$t</span>>] { + <span class="attribute">#[inline(never)] + </span><span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">if </span><span class="self">self</span>.len() > <span class="number">0 </span>{ + rng.try_fill_bytes(<span class="kw">unsafe </span>{ + slice::from_raw_parts_mut(<span class="self">self</span>.as_mut_ptr() + <span class="kw">as </span><span class="kw-2">*mut </span>u8, + <span class="self">self</span>.len() * mem::size_of::<<span class="macro-nonterminal">$t</span>>() + ) + })<span class="question-mark">?</span>; + <span class="kw">for </span>x <span class="kw">in </span><span class="self">self </span>{ + <span class="kw-2">*</span>x = Wrapping(x.<span class="number">0</span>.to_le()); + } + } + <span class="prelude-val">Ok</span>(()) + } + } + }; + (<span class="macro-nonterminal">$t</span>:ty, $(<span class="macro-nonterminal">$tt</span>:ty,)<span class="kw-2">*</span>) => { + <span class="macro">impl_fill!</span>(<span class="macro-nonterminal">$t</span>); + <span class="comment">// TODO: this could replace above impl once Rust #32463 is fixed + // impl_fill!(Wrapping<$t>); + </span><span class="macro">impl_fill!</span>($(<span class="macro-nonterminal">$tt</span>,)<span class="kw-2">*</span>); + } +} + +<span class="macro">impl_fill!</span>(u16, u32, u64, usize, u128,); +<span class="macro">impl_fill!</span>(i8, i16, i32, i64, isize, i128,); + +<span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"min_const_gen"</span>)))] +#[cfg(feature = <span class="string">"min_const_gen"</span>)] +</span><span class="kw">impl</span><T, <span class="kw">const </span>N: usize> Fill <span class="kw">for </span>[T; N] +<span class="kw">where </span>[T]: Fill +{ + <span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>[..].try_fill(rng) + } +} + +<span class="attribute">#[cfg(not(feature = <span class="string">"min_const_gen"</span>))] +</span><span class="macro">macro_rules! </span>impl_fill_arrays { + (<span class="macro-nonterminal">$n</span>:expr,) => {}; + (<span class="macro-nonterminal">$n</span>:expr, <span class="macro-nonterminal">$N</span>:ident) => { + <span class="kw">impl</span><T> Fill <span class="kw">for </span>[T; <span class="macro-nonterminal">$n</span>] <span class="kw">where </span>[T]: Fill { + <span class="kw">fn </span>try_fill<R: Rng + <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>[..].try_fill(rng) + } + } + }; + (<span class="macro-nonterminal">$n</span>:expr, <span class="macro-nonterminal">$N</span>:ident, $(<span class="macro-nonterminal">$NN</span>:ident,)<span class="kw-2">*</span>) => { + <span class="macro">impl_fill_arrays!</span>(<span class="macro-nonterminal">$n</span>, <span class="macro-nonterminal">$N</span>); + <span class="macro">impl_fill_arrays!</span>(<span class="macro-nonterminal">$n </span>- <span class="number">1</span>, $(<span class="macro-nonterminal">$NN</span>,)<span class="kw-2">*</span>); + }; + (!div <span class="macro-nonterminal">$n</span>:expr,) => {}; + (!div <span class="macro-nonterminal">$n</span>:expr, <span class="macro-nonterminal">$N</span>:ident, $(<span class="macro-nonterminal">$NN</span>:ident,)<span class="kw-2">*</span>) => { + <span class="macro">impl_fill_arrays!</span>(<span class="macro-nonterminal">$n</span>, <span class="macro-nonterminal">$N</span>); + <span class="macro">impl_fill_arrays!</span>(!div <span class="macro-nonterminal">$n </span>/ <span class="number">2</span>, $(<span class="macro-nonterminal">$NN</span>,)<span class="kw-2">*</span>); + }; +} +<span class="attribute">#[cfg(not(feature = <span class="string">"min_const_gen"</span>))] +#[rustfmt::skip] +</span><span class="macro">impl_fill_arrays!</span>(<span class="number">32</span>, N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,); +<span class="attribute">#[cfg(not(feature = <span class="string">"min_const_gen"</span>))] +</span><span class="macro">impl_fill_arrays!</span>(!div <span class="number">4096</span>, N,N,N,N,N,N,N,); + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="kw">use </span><span class="kw">crate</span>::test::rng; + <span class="kw">use </span><span class="kw">crate</span>::rngs::mock::StepRng; + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>alloc::boxed::Box; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_fill_bytes_default() { + <span class="kw">let </span><span class="kw-2">mut </span>r = StepRng::new(<span class="number">0x11_22_33_44_55_66_77_88</span>, <span class="number">0</span>); + + <span class="comment">// check every remainder mod 8, both in small and big vectors. + </span><span class="kw">let </span>lengths = [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">80</span>, <span class="number">81</span>, <span class="number">82</span>, <span class="number">83</span>, <span class="number">84</span>, <span class="number">85</span>, <span class="number">86</span>, <span class="number">87</span>]; + <span class="kw">for </span><span class="kw-2">&</span>n <span class="kw">in </span>lengths.iter() { + <span class="kw">let </span><span class="kw-2">mut </span>buffer = [<span class="number">0u8</span>; <span class="number">87</span>]; + <span class="kw">let </span>v = <span class="kw-2">&mut </span>buffer[<span class="number">0</span>..n]; + r.fill_bytes(v); + + <span class="comment">// use this to get nicer error messages. + </span><span class="kw">for </span>(i, <span class="kw-2">&</span>byte) <span class="kw">in </span>v.iter().enumerate() { + <span class="kw">if </span>byte == <span class="number">0 </span>{ + <span class="macro">panic!</span>(<span class="string">"byte {} of {} is zero"</span>, i, n) + } + } + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_fill() { + <span class="kw">let </span>x = <span class="number">9041086907909331047</span>; <span class="comment">// a random u64 + </span><span class="kw">let </span><span class="kw-2">mut </span>rng = StepRng::new(x, <span class="number">0</span>); + + <span class="comment">// Convert to byte sequence and back to u64; byte-swap twice if BE. + </span><span class="kw">let </span><span class="kw-2">mut </span>array = [<span class="number">0u64</span>; <span class="number">2</span>]; + rng.fill(<span class="kw-2">&mut </span>array[..]); + <span class="macro">assert_eq!</span>(array, [x, x]); + <span class="macro">assert_eq!</span>(rng.next_u64(), x); + + <span class="comment">// Convert to bytes then u32 in LE order + </span><span class="kw">let </span><span class="kw-2">mut </span>array = [<span class="number">0u32</span>; <span class="number">2</span>]; + rng.fill(<span class="kw-2">&mut </span>array[..]); + <span class="macro">assert_eq!</span>(array, [x <span class="kw">as </span>u32, (x >> <span class="number">32</span>) <span class="kw">as </span>u32]); + <span class="macro">assert_eq!</span>(rng.next_u32(), x <span class="kw">as </span>u32); + + <span class="comment">// Check equivalence using wrapped arrays + </span><span class="kw">let </span><span class="kw-2">mut </span>warray = [Wrapping(<span class="number">0u32</span>); <span class="number">2</span>]; + rng.fill(<span class="kw-2">&mut </span>warray[..]); + <span class="macro">assert_eq!</span>(array[<span class="number">0</span>], warray[<span class="number">0</span>].<span class="number">0</span>); + <span class="macro">assert_eq!</span>(array[<span class="number">1</span>], warray[<span class="number">1</span>].<span class="number">0</span>); + + <span class="comment">// Check equivalence for generated floats + </span><span class="kw">let </span><span class="kw-2">mut </span>array = [<span class="number">0f32</span>; <span class="number">2</span>]; + rng.fill(<span class="kw-2">&mut </span>array); + <span class="kw">let </span>gen: [f32; <span class="number">2</span>] = rng.gen(); + <span class="macro">assert_eq!</span>(array, gen); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_fill_empty() { + <span class="kw">let </span><span class="kw-2">mut </span>array = [<span class="number">0u32</span>; <span class="number">0</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = StepRng::new(<span class="number">0</span>, <span class="number">1</span>); + rng.fill(<span class="kw-2">&mut </span>array); + rng.fill(<span class="kw-2">&mut </span>array[..]); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_gen_range_int() { + <span class="kw">let </span><span class="kw-2">mut </span>r = rng(<span class="number">101</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>a = r.gen_range(-<span class="number">4711</span>..<span class="number">17</span>); + <span class="macro">assert!</span>((-<span class="number">4711</span>..<span class="number">17</span>).contains(<span class="kw-2">&</span>a)); + <span class="kw">let </span>a: i8 = r.gen_range(-<span class="number">3</span>..<span class="number">42</span>); + <span class="macro">assert!</span>((-<span class="number">3</span>..<span class="number">42</span>).contains(<span class="kw-2">&</span>a)); + <span class="kw">let </span>a: u16 = r.gen_range(<span class="number">10</span>..<span class="number">99</span>); + <span class="macro">assert!</span>((<span class="number">10</span>..<span class="number">99</span>).contains(<span class="kw-2">&</span>a)); + <span class="kw">let </span>a: i32 = r.gen_range(-<span class="number">100</span>..<span class="number">2000</span>); + <span class="macro">assert!</span>((-<span class="number">100</span>..<span class="number">2000</span>).contains(<span class="kw-2">&</span>a)); + <span class="kw">let </span>a: u32 = r.gen_range(<span class="number">12</span>..=<span class="number">24</span>); + <span class="macro">assert!</span>((<span class="number">12</span>..=<span class="number">24</span>).contains(<span class="kw-2">&</span>a)); + + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">0u32</span>..<span class="number">1</span>), <span class="number">0u32</span>); + <span class="macro">assert_eq!</span>(r.gen_range(-<span class="number">12i64</span>..-<span class="number">11</span>), -<span class="number">12i64</span>); + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">3_000_000</span>..<span class="number">3_000_001</span>), <span class="number">3_000_000</span>); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_gen_range_float() { + <span class="kw">let </span><span class="kw-2">mut </span>r = rng(<span class="number">101</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>a = r.gen_range(-<span class="number">4.5</span>..<span class="number">1.7</span>); + <span class="macro">assert!</span>((-<span class="number">4.5</span>..<span class="number">1.7</span>).contains(<span class="kw-2">&</span>a)); + <span class="kw">let </span>a = r.gen_range(-<span class="number">1.1</span>..=-<span class="number">0.3</span>); + <span class="macro">assert!</span>((-<span class="number">1.1</span>..=-<span class="number">0.3</span>).contains(<span class="kw-2">&</span>a)); + + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">0.0f32</span>..=<span class="number">0.0</span>), <span class="number">0.</span>); + <span class="macro">assert_eq!</span>(r.gen_range(-<span class="number">11.0</span>..=-<span class="number">11.0</span>), -<span class="number">11.</span>); + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">3_000_000.0</span>..=<span class="number">3_000_000.0</span>), <span class="number">3_000_000.</span>); + } + } + + <span class="attribute">#[test] + #[should_panic] + </span><span class="kw">fn </span>test_gen_range_panic_int() { + <span class="attribute">#![allow(clippy::reversed_empty_ranges)] + </span><span class="kw">let </span><span class="kw-2">mut </span>r = rng(<span class="number">102</span>); + r.gen_range(<span class="number">5</span>..-<span class="number">2</span>); + } + + <span class="attribute">#[test] + #[should_panic] + </span><span class="kw">fn </span>test_gen_range_panic_usize() { + <span class="attribute">#![allow(clippy::reversed_empty_ranges)] + </span><span class="kw">let </span><span class="kw-2">mut </span>r = rng(<span class="number">103</span>); + r.gen_range(<span class="number">5</span>..<span class="number">2</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_gen_bool() { + <span class="attribute">#![allow(clippy::bool_assert_comparison)] + + </span><span class="kw">let </span><span class="kw-2">mut </span>r = rng(<span class="number">105</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">5 </span>{ + <span class="macro">assert_eq!</span>(r.gen_bool(<span class="number">0.0</span>), <span class="bool-val">false</span>); + <span class="macro">assert_eq!</span>(r.gen_bool(<span class="number">1.0</span>), <span class="bool-val">true</span>); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_rng_trait_object() { + <span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Standard}; + <span class="kw">let </span><span class="kw-2">mut </span>rng = rng(<span class="number">109</span>); + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw-2">&mut </span>rng <span class="kw">as </span><span class="kw-2">&mut </span><span class="kw">dyn </span>RngCore; + r.next_u32(); + r.gen::<i32>(); + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">0</span>..<span class="number">1</span>), <span class="number">0</span>); + <span class="kw">let </span>_c: u8 = Standard.sample(<span class="kw-2">&mut </span>r); + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="kw">fn </span>test_rng_boxed_trait() { + <span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, Standard}; + <span class="kw">let </span>rng = rng(<span class="number">110</span>); + <span class="kw">let </span><span class="kw-2">mut </span>r = Box::new(rng) <span class="kw">as </span>Box<<span class="kw">dyn </span>RngCore>; + r.next_u32(); + r.gen::<i32>(); + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">0</span>..<span class="number">1</span>), <span class="number">0</span>); + <span class="kw">let </span>_c: u8 = Standard.sample(<span class="kw-2">&mut </span>r); + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_gen_ratio_average() { + <span class="kw">const </span>NUM: u32 = <span class="number">3</span>; + <span class="kw">const </span>DENOM: u32 = <span class="number">10</span>; + <span class="kw">const </span>N: u32 = <span class="number">100_000</span>; + + <span class="kw">let </span><span class="kw-2">mut </span>sum: u32 = <span class="number">0</span>; + <span class="kw">let </span><span class="kw-2">mut </span>rng = rng(<span class="number">111</span>); + <span class="kw">for _ in </span><span class="number">0</span>..N { + <span class="kw">if </span>rng.gen_ratio(NUM, DENOM) { + sum += <span class="number">1</span>; + } + } + <span class="comment">// Have Binomial(N, NUM/DENOM) distribution + </span><span class="kw">let </span>expected = (NUM * N) / DENOM; <span class="comment">// exact integer + </span><span class="macro">assert!</span>(((sum - expected) <span class="kw">as </span>i32).abs() < <span class="number">500</span>); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/mod.rs.html new file mode 100644 index 0000000..a272f93 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/mod.rs.html @@ -0,0 +1,35 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/adapter/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Wrappers / adapters forming RNGs + +</span><span class="kw">mod </span>read; +<span class="kw">mod </span>reseeding; + +<span class="attribute">#[allow(deprecated)] +</span><span class="kw">pub use </span><span class="self">self</span>::read::{ReadError, ReadRng}; +<span class="kw">pub use </span><span class="self">self</span>::reseeding::ReseedingRng; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/read.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/read.rs.html new file mode 100644 index 0000000..d16c0fb --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/read.rs.html @@ -0,0 +1,303 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/adapter/read.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>read.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" 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src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// Copyright 2013 The Rust Project Developers. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! A wrapper around any Read to treat it as an RNG. + +</span><span class="attribute">#![allow(deprecated)] + +</span><span class="kw">use </span>std::fmt; +<span class="kw">use </span>std::io::Read; + +<span class="kw">use </span>rand_core::{impls, Error, RngCore}; + + +<span class="doccomment">/// An RNG that reads random bytes straight from any type supporting +/// [`std::io::Read`], for example files. +/// +/// This will work best with an infinite reader, but that is not required. +/// +/// This can be used with `/dev/urandom` on Unix but it is recommended to use +/// [`OsRng`] instead. +/// +/// # Panics +/// +/// `ReadRng` uses [`std::io::Read::read_exact`], which retries on interrupts. +/// All other errors from the underlying reader, including when it does not +/// have enough data, will only be reported through [`try_fill_bytes`]. +/// The other [`RngCore`] methods will panic in case of an error. +/// +/// [`OsRng`]: crate::rngs::OsRng +/// [`try_fill_bytes`]: RngCore::try_fill_bytes +</span><span class="attribute">#[derive(Debug)] +#[deprecated(since=<span class="string">"0.8.4"</span>, note=<span class="string">"removal due to lack of usage"</span>)] +</span><span class="kw">pub struct </span>ReadRng<R> { + reader: R, +} + +<span class="kw">impl</span><R: Read> ReadRng<R> { + <span class="doccomment">/// Create a new `ReadRng` from a `Read`. + </span><span class="kw">pub fn </span>new(r: R) -> ReadRng<R> { + ReadRng { reader: r } + } +} + +<span class="kw">impl</span><R: Read> RngCore <span class="kw">for </span>ReadRng<R> { + <span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + impls::next_u32_via_fill(<span class="self">self</span>) + } + + <span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + impls::next_u64_via_fill(<span class="self">self</span>) + } + + <span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="self">self</span>.try_fill_bytes(dest).unwrap_or_else(|err| { + <span class="macro">panic!</span>( + <span class="string">"reading random bytes from Read implementation failed; error: {}"</span>, + err + ) + }); + } + + <span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="kw">if </span>dest.is_empty() { + <span class="kw">return </span><span class="prelude-val">Ok</span>(()); + } + <span class="comment">// Use `std::io::read_exact`, which retries on `ErrorKind::Interrupted`. + </span><span class="self">self</span>.reader + .read_exact(dest) + .map_err(|e| Error::new(ReadError(e))) + } +} + +<span class="doccomment">/// `ReadRng` error type +</span><span class="attribute">#[derive(Debug)] +#[deprecated(since=<span class="string">"0.8.4"</span>)] +</span><span class="kw">pub struct </span>ReadError(std::io::Error); + +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>ReadError { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + <span class="macro">write!</span>(f, <span class="string">"ReadError: {}"</span>, <span class="self">self</span>.<span class="number">0</span>) + } +} + +<span class="kw">impl </span>std::error::Error <span class="kw">for </span>ReadError { + <span class="kw">fn </span>source(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>(<span class="kw">dyn </span>std::error::Error + <span class="lifetime">'static</span>)> { + <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>) + } +} + + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use </span>std::println; + + <span class="kw">use </span><span class="kw">super</span>::ReadRng; + <span class="kw">use </span><span class="kw">crate</span>::RngCore; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_reader_rng_u64() { + <span class="comment">// transmute from the target to avoid endianness concerns. + </span><span class="attribute">#[rustfmt::skip] + </span><span class="kw">let </span>v = [<span class="number">0u8</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, + <span class="number">0</span>, <span class="number">4</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, + <span class="number">5</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ReadRng::new(<span class="kw-2">&</span>v[..]); + + <span class="macro">assert_eq!</span>(rng.next_u64(), <span class="number">1 </span><< <span class="number">56</span>); + <span class="macro">assert_eq!</span>(rng.next_u64(), (<span class="number">2 </span><< <span class="number">56</span>) + (<span class="number">3 </span><< <span class="number">32</span>) + (<span class="number">4 </span><< <span class="number">8</span>)); + <span class="macro">assert_eq!</span>(rng.next_u64(), <span class="number">5</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_reader_rng_u32() { + <span class="kw">let </span>v = [<span class="number">0u8</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ReadRng::new(<span class="kw-2">&</span>v[..]); + + <span class="macro">assert_eq!</span>(rng.next_u32(), <span class="number">1 </span><< <span class="number">24</span>); + <span class="macro">assert_eq!</span>(rng.next_u32(), <span class="number">2 </span><< <span class="number">16</span>); + <span class="macro">assert_eq!</span>(rng.next_u32(), <span class="number">3</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_reader_rng_fill_bytes() { + <span class="kw">let </span>v = [<span class="number">1u8</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>w = [<span class="number">0u8</span>; <span class="number">8</span>]; + + <span class="kw">let </span><span class="kw-2">mut </span>rng = ReadRng::new(<span class="kw-2">&</span>v[..]); + rng.fill_bytes(<span class="kw-2">&mut </span>w); + + <span class="macro">assert!</span>(v == w); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_reader_rng_insufficient_bytes() { + <span class="kw">let </span>v = [<span class="number">1u8</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>w = [<span class="number">0u8</span>; <span class="number">9</span>]; + + <span class="kw">let </span><span class="kw-2">mut </span>rng = ReadRng::new(<span class="kw-2">&</span>v[..]); + + <span class="kw">let </span>result = rng.try_fill_bytes(<span class="kw-2">&mut </span>w); + <span class="macro">assert!</span>(result.is_err()); + <span class="macro">println!</span>(<span class="string">"Error: {}"</span>, result.unwrap_err()); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/reseeding.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/reseeding.rs.html new file mode 100644 index 0000000..93f4eaf --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/adapter/reseeding.rs.html @@ -0,0 +1,775 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/adapter/reseeding.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>reseeding.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" 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title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> 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+<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// Copyright 2013 The Rust Project Developers. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! A wrapper around another PRNG that reseeds it after it +//! generates a certain number of random bytes. + +</span><span class="kw">use </span>core::mem::size_of; + +<span class="kw">use </span>rand_core::block::{BlockRng, BlockRngCore}; +<span class="kw">use </span>rand_core::{CryptoRng, Error, RngCore, SeedableRng}; + +<span class="doccomment">/// A wrapper around any PRNG that implements [`BlockRngCore`], that adds the +/// ability to reseed it. +/// +/// `ReseedingRng` reseeds the underlying PRNG in the following cases: +/// +/// - On a manual call to [`reseed()`]. +/// - After `clone()`, the clone will be reseeded on first use. +/// - When a process is forked on UNIX, the RNGs in both the parent and child +/// processes will be reseeded just before the next call to +/// [`BlockRngCore::generate`], i.e. "soon". For ChaCha and Hc128 this is a +/// maximum of fifteen `u32` values before reseeding. +/// - After the PRNG has generated a configurable number of random bytes. +/// +/// # When should reseeding after a fixed number of generated bytes be used? +/// +/// Reseeding after a fixed number of generated bytes is never strictly +/// *necessary*. Cryptographic PRNGs don't have a limited number of bytes they +/// can output, or at least not a limit reachable in any practical way. There is +/// no such thing as 'running out of entropy'. +/// +/// Occasionally reseeding can be seen as some form of 'security in depth'. Even +/// if in the future a cryptographic weakness is found in the CSPRNG being used, +/// or a flaw in the implementation, occasionally reseeding should make +/// exploiting it much more difficult or even impossible. +/// +/// Use [`ReseedingRng::new`] with a `threshold` of `0` to disable reseeding +/// after a fixed number of generated bytes. +/// +/// # Limitations +/// +/// It is recommended that a `ReseedingRng` (including `ThreadRng`) not be used +/// from a fork handler. +/// Use `OsRng` or `getrandom`, or defer your use of the RNG until later. +/// +/// # Error handling +/// +/// Although unlikely, reseeding the wrapped PRNG can fail. `ReseedingRng` will +/// never panic but try to handle the error intelligently through some +/// combination of retrying and delaying reseeding until later. +/// If handling the source error fails `ReseedingRng` will continue generating +/// data from the wrapped PRNG without reseeding. +/// +/// Manually calling [`reseed()`] will not have this retry or delay logic, but +/// reports the error. +/// +/// # Example +/// +/// ``` +/// use rand::prelude::*; +/// use rand_chacha::ChaCha20Core; // Internal part of ChaChaRng that +/// // implements BlockRngCore +/// use rand::rngs::OsRng; +/// use rand::rngs::adapter::ReseedingRng; +/// +/// let prng = ChaCha20Core::from_entropy(); +/// let mut reseeding_rng = ReseedingRng::new(prng, 0, OsRng); +/// +/// println!("{}", reseeding_rng.gen::<u64>()); +/// +/// let mut cloned_rng = reseeding_rng.clone(); +/// assert!(reseeding_rng.gen::<u64>() != cloned_rng.gen::<u64>()); +/// ``` +/// +/// [`BlockRngCore`]: rand_core::block::BlockRngCore +/// [`ReseedingRng::new`]: ReseedingRng::new +/// [`reseed()`]: ReseedingRng::reseed +</span><span class="attribute">#[derive(Debug)] +</span><span class="kw">pub struct </span>ReseedingRng<R, Rsdr>(BlockRng<ReseedingCore<R, Rsdr>>) +<span class="kw">where + </span>R: BlockRngCore + SeedableRng, + Rsdr: RngCore; + +<span class="kw">impl</span><R, Rsdr> ReseedingRng<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng, + Rsdr: RngCore, +{ + <span class="doccomment">/// Create a new `ReseedingRng` from an existing PRNG, combined with a RNG + /// to use as reseeder. + /// + /// `threshold` sets the number of generated bytes after which to reseed the + /// PRNG. Set it to zero to never reseed based on the number of generated + /// values. + </span><span class="kw">pub fn </span>new(rng: R, threshold: u64, reseeder: Rsdr) -> <span class="self">Self </span>{ + ReseedingRng(BlockRng::new(ReseedingCore::new(rng, threshold, reseeder))) + } + + <span class="doccomment">/// Reseed the internal PRNG. + </span><span class="kw">pub fn </span>reseed(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.<span class="number">0</span>.core.reseed() + } +} + +<span class="comment">// TODO: this should be implemented for any type where the inner type +// implements RngCore, but we can't specify that because ReseedingCore is private +</span><span class="kw">impl</span><R, Rsdr: RngCore> RngCore <span class="kw">for </span>ReseedingRng<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore<Item = u32> + SeedableRng, + <R <span class="kw">as </span>BlockRngCore>::Results: AsRef<[u32]> + AsMut<[u32]>, +{ + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="self">self</span>.<span class="number">0</span>.next_u32() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="self">self</span>.<span class="number">0</span>.next_u64() + } + + <span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="self">self</span>.<span class="number">0</span>.fill_bytes(dest) + } + + <span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.<span class="number">0</span>.try_fill_bytes(dest) + } +} + +<span class="kw">impl</span><R, Rsdr> Clone <span class="kw">for </span>ReseedingRng<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng + Clone, + Rsdr: RngCore + Clone, +{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> ReseedingRng<R, Rsdr> { + <span class="comment">// Recreating `BlockRng` seems easier than cloning it and resetting + // the index. + </span>ReseedingRng(BlockRng::new(<span class="self">self</span>.<span class="number">0</span>.core.clone())) + } +} + +<span class="kw">impl</span><R, Rsdr> CryptoRng <span class="kw">for </span>ReseedingRng<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng + CryptoRng, + Rsdr: RngCore + CryptoRng, +{ +} + +<span class="attribute">#[derive(Debug)] +</span><span class="kw">struct </span>ReseedingCore<R, Rsdr> { + inner: R, + reseeder: Rsdr, + threshold: i64, + bytes_until_reseed: i64, + fork_counter: usize, +} + +<span class="kw">impl</span><R, Rsdr> BlockRngCore <span class="kw">for </span>ReseedingCore<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng, + Rsdr: RngCore, +{ + <span class="kw">type </span>Item = <R <span class="kw">as </span>BlockRngCore>::Item; + <span class="kw">type </span>Results = <R <span class="kw">as </span>BlockRngCore>::Results; + + <span class="kw">fn </span>generate(<span class="kw-2">&mut </span><span class="self">self</span>, results: <span class="kw-2">&mut </span><span class="self">Self</span>::Results) { + <span class="kw">let </span>global_fork_counter = fork::get_fork_counter(); + <span class="kw">if </span><span class="self">self</span>.bytes_until_reseed <= <span class="number">0 </span>|| <span class="self">self</span>.is_forked(global_fork_counter) { + <span class="comment">// We get better performance by not calling only `reseed` here + // and continuing with the rest of the function, but by directly + // returning from a non-inlined function. + </span><span class="kw">return </span><span class="self">self</span>.reseed_and_generate(results, global_fork_counter); + } + <span class="kw">let </span>num_bytes = results.as_ref().len() * size_of::<<span class="self">Self</span>::Item>(); + <span class="self">self</span>.bytes_until_reseed -= num_bytes <span class="kw">as </span>i64; + <span class="self">self</span>.inner.generate(results); + } +} + +<span class="kw">impl</span><R, Rsdr> ReseedingCore<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng, + Rsdr: RngCore, +{ + <span class="doccomment">/// Create a new `ReseedingCore`. + </span><span class="kw">fn </span>new(rng: R, threshold: u64, reseeder: Rsdr) -> <span class="self">Self </span>{ + <span class="kw">use </span>::core::i64::MAX; + fork::register_fork_handler(); + + <span class="comment">// Because generating more values than `i64::MAX` takes centuries on + // current hardware, we just clamp to that value. + // Also we set a threshold of 0, which indicates no limit, to that + // value. + </span><span class="kw">let </span>threshold = <span class="kw">if </span>threshold == <span class="number">0 </span>{ + MAX + } <span class="kw">else if </span>threshold <= MAX <span class="kw">as </span>u64 { + threshold <span class="kw">as </span>i64 + } <span class="kw">else </span>{ + MAX + }; + + ReseedingCore { + inner: rng, + reseeder, + threshold: threshold <span class="kw">as </span>i64, + bytes_until_reseed: threshold <span class="kw">as </span>i64, + fork_counter: <span class="number">0</span>, + } + } + + <span class="doccomment">/// Reseed the internal PRNG. + </span><span class="kw">fn </span>reseed(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><(), Error> { + R::from_rng(<span class="kw-2">&mut </span><span class="self">self</span>.reseeder).map(|result| { + <span class="self">self</span>.bytes_until_reseed = <span class="self">self</span>.threshold; + <span class="self">self</span>.inner = result + }) + } + + <span class="kw">fn </span>is_forked(<span class="kw-2">&</span><span class="self">self</span>, global_fork_counter: usize) -> bool { + <span class="comment">// In theory, on 32-bit platforms, it is possible for + // `global_fork_counter` to wrap around after ~4e9 forks. + // + // This check will detect a fork in the normal case where + // `fork_counter < global_fork_counter`, and also when the difference + // between both is greater than `isize::MAX` (wrapped around). + // + // It will still fail to detect a fork if there have been more than + // `isize::MAX` forks, without any reseed in between. Seems unlikely + // enough. + </span>(<span class="self">self</span>.fork_counter.wrapping_sub(global_fork_counter) <span class="kw">as </span>isize) < <span class="number">0 + </span>} + + <span class="attribute">#[inline(never)] + </span><span class="kw">fn </span>reseed_and_generate( + <span class="kw-2">&mut </span><span class="self">self</span>, results: <span class="kw-2">&mut </span><<span class="self">Self </span><span class="kw">as </span>BlockRngCore>::Results, global_fork_counter: usize, + ) { + <span class="attribute">#![allow(clippy::if_same_then_else)] </span><span class="comment">// false positive + </span><span class="kw">if </span><span class="self">self</span>.is_forked(global_fork_counter) { + <span class="macro">info!</span>(<span class="string">"Fork detected, reseeding RNG"</span>); + } <span class="kw">else </span>{ + <span class="macro">trace!</span>(<span class="string">"Reseeding RNG (periodic reseed)"</span>); + } + + <span class="kw">let </span>num_bytes = results.as_ref().len() * size_of::<<R <span class="kw">as </span>BlockRngCore>::Item>(); + + <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = <span class="self">self</span>.reseed() { + <span class="macro">warn!</span>(<span class="string">"Reseeding RNG failed: {}"</span>, e); + <span class="kw">let _ </span>= e; + } + <span class="self">self</span>.fork_counter = global_fork_counter; + + <span class="self">self</span>.bytes_until_reseed = <span class="self">self</span>.threshold - num_bytes <span class="kw">as </span>i64; + <span class="self">self</span>.inner.generate(results); + } +} + +<span class="kw">impl</span><R, Rsdr> Clone <span class="kw">for </span>ReseedingCore<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng + Clone, + Rsdr: RngCore + Clone, +{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> ReseedingCore<R, Rsdr> { + ReseedingCore { + inner: <span class="self">self</span>.inner.clone(), + reseeder: <span class="self">self</span>.reseeder.clone(), + threshold: <span class="self">self</span>.threshold, + bytes_until_reseed: <span class="number">0</span>, <span class="comment">// reseed clone on first use + </span>fork_counter: <span class="self">self</span>.fork_counter, + } + } +} + +<span class="kw">impl</span><R, Rsdr> CryptoRng <span class="kw">for </span>ReseedingCore<R, Rsdr> +<span class="kw">where + </span>R: BlockRngCore + SeedableRng + CryptoRng, + Rsdr: RngCore + CryptoRng, +{ +} + + +<span class="attribute">#[cfg(all(unix, not(target_os = <span class="string">"emscripten"</span>)))] +</span><span class="kw">mod </span>fork { + <span class="kw">use </span>core::sync::atomic::{AtomicUsize, Ordering}; + <span class="kw">use </span>std::sync::Once; + + <span class="comment">// Fork protection + // + // We implement fork protection on Unix using `pthread_atfork`. + // When the process is forked, we increment `RESEEDING_RNG_FORK_COUNTER`. + // Every `ReseedingRng` stores the last known value of the static in + // `fork_counter`. If the cached `fork_counter` is less than + // `RESEEDING_RNG_FORK_COUNTER`, it is time to reseed this RNG. + // + // If reseeding fails, we don't deal with this by setting a delay, but just + // don't update `fork_counter`, so a reseed is attempted as soon as + // possible. + + </span><span class="kw">static </span>RESEEDING_RNG_FORK_COUNTER: AtomicUsize = AtomicUsize::new(<span class="number">0</span>); + + <span class="kw">pub fn </span>get_fork_counter() -> usize { + RESEEDING_RNG_FORK_COUNTER.load(Ordering::Relaxed) + } + + <span class="kw">extern </span><span class="string">"C" </span><span class="kw">fn </span>fork_handler() { + <span class="comment">// Note: fetch_add is defined to wrap on overflow + // (which is what we want). + </span>RESEEDING_RNG_FORK_COUNTER.fetch_add(<span class="number">1</span>, Ordering::Relaxed); + } + + <span class="kw">pub fn </span>register_fork_handler() { + <span class="kw">static </span>REGISTER: Once = Once::new(); + REGISTER.call_once(|| { + <span class="comment">// Bump the counter before and after forking (see #1169): + </span><span class="kw">let </span>ret = <span class="kw">unsafe </span>{ libc::pthread_atfork( + <span class="prelude-val">Some</span>(fork_handler), + <span class="prelude-val">Some</span>(fork_handler), + <span class="prelude-val">Some</span>(fork_handler), + ) }; + <span class="kw">if </span>ret != <span class="number">0 </span>{ + <span class="macro">panic!</span>(<span class="string">"libc::pthread_atfork failed with code {}"</span>, ret); + } + }); + } +} + +<span class="attribute">#[cfg(not(all(unix, not(target_os = <span class="string">"emscripten"</span>))))] +</span><span class="kw">mod </span>fork { + <span class="kw">pub fn </span>get_fork_counter() -> usize { + <span class="number">0 + </span>} + <span class="kw">pub fn </span>register_fork_handler() {} +} + + +<span class="attribute">#[cfg(feature = <span class="string">"std_rng"</span>)] +#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use </span><span class="kw">super</span>::ReseedingRng; + <span class="kw">use </span><span class="kw">crate</span>::rngs::mock::StepRng; + <span class="kw">use </span><span class="kw">crate</span>::rngs::std::Core; + <span class="kw">use crate</span>::{Rng, SeedableRng}; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_reseeding() { + <span class="kw">let </span><span class="kw-2">mut </span>zero = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="kw">let </span>rng = Core::from_rng(<span class="kw-2">&mut </span>zero).unwrap(); + <span class="kw">let </span>thresh = <span class="number">1</span>; <span class="comment">// reseed every time the buffer is exhausted + </span><span class="kw">let </span><span class="kw-2">mut </span>reseeding = ReseedingRng::new(rng, thresh, zero); + + <span class="comment">// RNG buffer size is [u32; 64] + // Debug is only implemented up to length 32 so use two arrays + </span><span class="kw">let </span><span class="kw-2">mut </span>buf = ([<span class="number">0u32</span>; <span class="number">32</span>], [<span class="number">0u32</span>; <span class="number">32</span>]); + reseeding.fill(<span class="kw-2">&mut </span>buf.<span class="number">0</span>); + reseeding.fill(<span class="kw-2">&mut </span>buf.<span class="number">1</span>); + <span class="kw">let </span>seq = buf; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">10 </span>{ + reseeding.fill(<span class="kw-2">&mut </span>buf.<span class="number">0</span>); + reseeding.fill(<span class="kw-2">&mut </span>buf.<span class="number">1</span>); + <span class="macro">assert_eq!</span>(buf, seq); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_clone_reseeding() { + <span class="attribute">#![allow(clippy::redundant_clone)] + + </span><span class="kw">let </span><span class="kw-2">mut </span>zero = StepRng::new(<span class="number">0</span>, <span class="number">0</span>); + <span class="kw">let </span>rng = Core::from_rng(<span class="kw-2">&mut </span>zero).unwrap(); + <span class="kw">let </span><span class="kw-2">mut </span>rng1 = ReseedingRng::new(rng, <span class="number">32 </span>* <span class="number">4</span>, zero); + + <span class="kw">let </span>first: u32 = rng1.gen(); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">10 </span>{ + <span class="kw">let _ </span>= rng1.gen::<u32>(); + } + + <span class="kw">let </span><span class="kw-2">mut </span>rng2 = rng1.clone(); + <span class="macro">assert_eq!</span>(first, rng2.gen::<u32>()); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/mock.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/mock.rs.html new file mode 100644 index 0000000..819baf1 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/mock.rs.html @@ -0,0 +1,177 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/mock.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mock.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Mock random number generator + +</span><span class="kw">use </span>rand_core::{impls, Error, RngCore}; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; + +<span class="doccomment">/// A simple implementation of `RngCore` for testing purposes. +/// +/// This generates an arithmetic sequence (i.e. adds a constant each step) +/// over a `u64` number, using wrapping arithmetic. If the increment is 0 +/// the generator yields a constant. +/// +/// ``` +/// use rand::Rng; +/// use rand::rngs::mock::StepRng; +/// +/// let mut my_rng = StepRng::new(2, 1); +/// let sample: [u64; 3] = my_rng.gen(); +/// assert_eq!(sample, [2, 3, 4]); +/// ``` +</span><span class="attribute">#[derive(Debug, Clone, PartialEq, Eq)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>StepRng { + v: u64, + a: u64, +} + +<span class="kw">impl </span>StepRng { + <span class="doccomment">/// Create a `StepRng`, yielding an arithmetic sequence starting with + /// `initial` and incremented by `increment` each time. + </span><span class="kw">pub fn </span>new(initial: u64, increment: u64) -> <span class="self">Self </span>{ + StepRng { + v: initial, + a: increment, + } + } +} + +<span class="kw">impl </span>RngCore <span class="kw">for </span>StepRng { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="self">self</span>.next_u64() <span class="kw">as </span>u32 + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="kw">let </span>result = <span class="self">self</span>.v; + <span class="self">self</span>.v = <span class="self">self</span>.v.wrapping_add(<span class="self">self</span>.a); + result + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + impls::fill_bytes_via_next(<span class="self">self</span>, dest); + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.fill_bytes(dest); + <span class="prelude-val">Ok</span>(()) + } +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>tests { + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"serde1"</span>)] + </span><span class="kw">fn </span>test_serialization_step_rng() { + <span class="kw">use </span><span class="kw">super</span>::StepRng; + + <span class="kw">let </span>some_rng = StepRng::new(<span class="number">42</span>, <span class="number">7</span>); + <span class="kw">let </span>de_some_rng: StepRng = + bincode::deserialize(<span class="kw-2">&</span>bincode::serialize(<span class="kw-2">&</span>some_rng).unwrap()).unwrap(); + <span class="macro">assert_eq!</span>(some_rng.v, de_some_rng.v); + <span class="macro">assert_eq!</span>(some_rng.a, de_some_rng.a); + + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/mod.rs.html new file mode 100644 index 0000000..48767fa --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/mod.rs.html @@ -0,0 +1,241 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Random number generators and adapters +//! +//! ## Background: Random number generators (RNGs) +//! +//! Computers cannot produce random numbers from nowhere. We classify +//! random number generators as follows: +//! +//! - "True" random number generators (TRNGs) use hard-to-predict data sources +//! (e.g. the high-resolution parts of event timings and sensor jitter) to +//! harvest random bit-sequences, apply algorithms to remove bias and +//! estimate available entropy, then combine these bits into a byte-sequence +//! or an entropy pool. This job is usually done by the operating system or +//! a hardware generator (HRNG). +//! - "Pseudo"-random number generators (PRNGs) use algorithms to transform a +//! seed into a sequence of pseudo-random numbers. These generators can be +//! fast and produce well-distributed unpredictable random numbers (or not). +//! They are usually deterministic: given algorithm and seed, the output +//! sequence can be reproduced. They have finite period and eventually loop; +//! with many algorithms this period is fixed and can be proven sufficiently +//! long, while others are chaotic and the period depends on the seed. +//! - "Cryptographically secure" pseudo-random number generators (CSPRNGs) +//! are the sub-set of PRNGs which are secure. Security of the generator +//! relies both on hiding the internal state and using a strong algorithm. +//! +//! ## Traits and functionality +//! +//! All RNGs implement the [`RngCore`] trait, as a consequence of which the +//! [`Rng`] extension trait is automatically implemented. Secure RNGs may +//! additionally implement the [`CryptoRng`] trait. +//! +//! All PRNGs require a seed to produce their random number sequence. The +//! [`SeedableRng`] trait provides three ways of constructing PRNGs: +//! +//! - `from_seed` accepts a type specific to the PRNG +//! - `from_rng` allows a PRNG to be seeded from any other RNG +//! - `seed_from_u64` allows any PRNG to be seeded from a `u64` insecurely +//! - `from_entropy` securely seeds a PRNG from fresh entropy +//! +//! Use the [`rand_core`] crate when implementing your own RNGs. +//! +//! ## Our generators +//! +//! This crate provides several random number generators: +//! +//! - [`OsRng`] is an interface to the operating system's random number +//! source. Typically the operating system uses a CSPRNG with entropy +//! provided by a TRNG and some type of on-going re-seeding. +//! - [`ThreadRng`], provided by the [`thread_rng`] function, is a handle to a +//! thread-local CSPRNG with periodic seeding from [`OsRng`]. Because this +//! is local, it is typically much faster than [`OsRng`]. It should be +//! secure, though the paranoid may prefer [`OsRng`]. +//! - [`StdRng`] is a CSPRNG chosen for good performance and trust of security +//! (based on reviews, maturity and usage). The current algorithm is ChaCha12, +//! which is well established and rigorously analysed. +//! [`StdRng`] provides the algorithm used by [`ThreadRng`] but without +//! periodic reseeding. +//! - [`SmallRng`] is an **insecure** PRNG designed to be fast, simple, require +//! little memory, and have good output quality. +//! +//! The algorithms selected for [`StdRng`] and [`SmallRng`] may change in any +//! release and may be platform-dependent, therefore they should be considered +//! **not reproducible**. +//! +//! ## Additional generators +//! +//! **TRNGs**: The [`rdrand`] crate provides an interface to the RDRAND and +//! RDSEED instructions available in modern Intel and AMD CPUs. +//! The [`rand_jitter`] crate provides a user-space implementation of +//! entropy harvesting from CPU timer jitter, but is very slow and has +//! [security issues](https://github.com/rust-random/rand/issues/699). +//! +//! **PRNGs**: Several companion crates are available, providing individual or +//! families of PRNG algorithms. These provide the implementations behind +//! [`StdRng`] and [`SmallRng`] but can also be used directly, indeed *should* +//! be used directly when **reproducibility** matters. +//! Some suggestions are: [`rand_chacha`], [`rand_pcg`], [`rand_xoshiro`]. +//! A full list can be found by searching for crates with the [`rng` tag]. +//! +//! [`Rng`]: crate::Rng +//! [`RngCore`]: crate::RngCore +//! [`CryptoRng`]: crate::CryptoRng +//! [`SeedableRng`]: crate::SeedableRng +//! [`thread_rng`]: crate::thread_rng +//! [`rdrand`]: https://crates.io/crates/rdrand +//! [`rand_jitter`]: https://crates.io/crates/rand_jitter +//! [`rand_chacha`]: https://crates.io/crates/rand_chacha +//! [`rand_pcg`]: https://crates.io/crates/rand_pcg +//! [`rand_xoshiro`]: https://crates.io/crates/rand_xoshiro +//! [`rng` tag]: https://crates.io/keywords/rng + +</span><span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std"</span>)))] +#[cfg(feature = <span class="string">"std"</span>)] </span><span class="kw">pub mod </span>adapter; + +<span class="kw">pub mod </span>mock; <span class="comment">// Public so we don't export `StepRng` directly, making it a bit + // more clear it is intended for testing. + +</span><span class="attribute">#[cfg(all(feature = <span class="string">"small_rng"</span>, target_pointer_width = <span class="string">"64"</span>))] +</span><span class="kw">mod </span>xoshiro256plusplus; +<span class="attribute">#[cfg(all(feature = <span class="string">"small_rng"</span>, not(target_pointer_width = <span class="string">"64"</span>)))] +</span><span class="kw">mod </span>xoshiro128plusplus; +<span class="attribute">#[cfg(feature = <span class="string">"small_rng"</span>)] </span><span class="kw">mod </span>small; + +<span class="attribute">#[cfg(feature = <span class="string">"std_rng"</span>)] </span><span class="kw">mod </span>std; +<span class="attribute">#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>thread; + +<span class="attribute">#[cfg(feature = <span class="string">"small_rng"</span>)] </span><span class="kw">pub use </span><span class="self">self</span>::small::SmallRng; +<span class="attribute">#[cfg(feature = <span class="string">"std_rng"</span>)] </span><span class="kw">pub use </span><span class="self">self</span>::std::StdRng; +<span class="attribute">#[cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))] </span><span class="kw">pub use </span><span class="self">self</span>::thread::ThreadRng; + +<span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"getrandom"</span>)))] +#[cfg(feature = <span class="string">"getrandom"</span>)] </span><span class="kw">pub use </span>rand_core::OsRng; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/std.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/std.rs.html new file mode 100644 index 0000000..a7d324f --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/std.rs.html @@ -0,0 +1,199 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/std.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>std.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rand/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The standard RNG + +</span><span class="kw">use crate</span>::{CryptoRng, Error, RngCore, SeedableRng}; + +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>rand_chacha::ChaCha12Core <span class="kw">as </span>Core; + +<span class="kw">use </span>rand_chacha::ChaCha12Rng <span class="kw">as </span>Rng; + +<span class="doccomment">/// The standard RNG. The PRNG algorithm in `StdRng` is chosen to be efficient +/// on the current platform, to be statistically strong and unpredictable +/// (meaning a cryptographically secure PRNG). +/// +/// The current algorithm used is the ChaCha block cipher with 12 rounds. Please +/// see this relevant [rand issue] for the discussion. This may change as new +/// evidence of cipher security and performance becomes available. +/// +/// The algorithm is deterministic but should not be considered reproducible +/// due to dependence on configuration and possible replacement in future +/// library versions. For a secure reproducible generator, we recommend use of +/// the [rand_chacha] crate directly. +/// +/// [rand_chacha]: https://crates.io/crates/rand_chacha +/// [rand issue]: https://github.com/rust-random/rand/issues/932 +</span><span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std_rng"</span>)))] +#[derive(Clone, Debug, PartialEq, Eq)] +</span><span class="kw">pub struct </span>StdRng(Rng); + +<span class="kw">impl </span>RngCore <span class="kw">for </span>StdRng { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="self">self</span>.<span class="number">0</span>.next_u32() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="self">self</span>.<span class="number">0</span>.next_u64() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="self">self</span>.<span class="number">0</span>.fill_bytes(dest); + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.<span class="number">0</span>.try_fill_bytes(dest) + } +} + +<span class="kw">impl </span>SeedableRng <span class="kw">for </span>StdRng { + <span class="kw">type </span>Seed = <Rng <span class="kw">as </span>SeedableRng>::Seed; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + StdRng(Rng::from_seed(seed)) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_rng<R: RngCore>(rng: R) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> { + Rng::from_rng(rng).map(StdRng) + } +} + +<span class="kw">impl </span>CryptoRng <span class="kw">for </span>StdRng {} + + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use </span><span class="kw">crate</span>::rngs::StdRng; + <span class="kw">use crate</span>::{RngCore, SeedableRng}; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_stdrng_construction() { + <span class="comment">// Test value-stability of StdRng. This is expected to break any time + // the algorithm is changed. + </span><span class="attribute">#[rustfmt::skip] + </span><span class="kw">let </span>seed = [<span class="number">1</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>, <span class="number">23</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>, <span class="number">200</span>,<span class="number">1</span>,<span class="number">0</span>,<span class="number">0</span>, <span class="number">210</span>,<span class="number">30</span>,<span class="number">0</span>,<span class="number">0</span>, + <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>]; + + <span class="kw">let </span>target = [<span class="number">10719222850664546238</span>, <span class="number">14064965282130556830</span>]; + + <span class="kw">let </span><span class="kw-2">mut </span>rng0 = StdRng::from_seed(seed); + <span class="kw">let </span>x0 = rng0.next_u64(); + + <span class="kw">let </span><span class="kw-2">mut </span>rng1 = StdRng::from_rng(rng0).unwrap(); + <span class="kw">let </span>x1 = rng1.next_u64(); + + <span class="macro">assert_eq!</span>([x0, x1], target); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/thread.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/thread.rs.html new file mode 100644 index 0000000..5243758 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/rngs/thread.rs.html @@ -0,0 +1,289 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/rngs/thread.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>thread.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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+<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Thread-local random number generator + +</span><span class="kw">use </span>core::cell::UnsafeCell; +<span class="kw">use </span>std::rc::Rc; +<span class="kw">use </span>std::thread_local; + +<span class="kw">use </span><span class="kw">super</span>::std::Core; +<span class="kw">use </span><span class="kw">crate</span>::rngs::adapter::ReseedingRng; +<span class="kw">use </span><span class="kw">crate</span>::rngs::OsRng; +<span class="kw">use crate</span>::{CryptoRng, Error, RngCore, SeedableRng}; + +<span class="comment">// Rationale for using `UnsafeCell` in `ThreadRng`: +// +// Previously we used a `RefCell`, with an overhead of ~15%. There will only +// ever be one mutable reference to the interior of the `UnsafeCell`, because +// we only have such a reference inside `next_u32`, `next_u64`, etc. Within a +// single thread (which is the definition of `ThreadRng`), there will only ever +// be one of these methods active at a time. +// +// A possible scenario where there could be multiple mutable references is if +// `ThreadRng` is used inside `next_u32` and co. But the implementation is +// completely under our control. We just have to ensure none of them use +// `ThreadRng` internally, which is nonsensical anyway. We should also never run +// `ThreadRng` in destructors of its implementation, which is also nonsensical. + + +// Number of generated bytes after which to reseed `ThreadRng`. +// According to benchmarks, reseeding has a noticeable impact with thresholds +// of 32 kB and less. We choose 64 kB to avoid significant overhead. +</span><span class="kw">const </span>THREAD_RNG_RESEED_THRESHOLD: u64 = <span class="number">1024 </span>* <span class="number">64</span>; + +<span class="doccomment">/// A reference to the thread-local generator +/// +/// An instance can be obtained via [`thread_rng`] or via `ThreadRng::default()`. +/// This handle is safe to use everywhere (including thread-local destructors), +/// though it is recommended not to use inside a fork handler. +/// The handle cannot be passed between threads (is not `Send` or `Sync`). +/// +/// `ThreadRng` uses the same PRNG as [`StdRng`] for security and performance +/// and is automatically seeded from [`OsRng`]. +/// +/// Unlike `StdRng`, `ThreadRng` uses the [`ReseedingRng`] wrapper to reseed +/// the PRNG from fresh entropy every 64 kiB of random data as well as after a +/// fork on Unix (though not quite immediately; see documentation of +/// [`ReseedingRng`]). +/// Note that the reseeding is done as an extra precaution against side-channel +/// attacks and mis-use (e.g. if somehow weak entropy were supplied initially). +/// The PRNG algorithms used are assumed to be secure. +/// +/// [`ReseedingRng`]: crate::rngs::adapter::ReseedingRng +/// [`StdRng`]: crate::rngs::StdRng +</span><span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))))] +#[derive(Clone, Debug)] +</span><span class="kw">pub struct </span>ThreadRng { + <span class="comment">// Rc is explicitly !Send and !Sync + </span>rng: Rc<UnsafeCell<ReseedingRng<Core, OsRng>>>, +} + +<span class="macro">thread_local!</span>( + <span class="comment">// We require Rc<..> to avoid premature freeing when thread_rng is used + // within thread-local destructors. See #968. + </span><span class="kw">static </span>THREAD_RNG_KEY: Rc<UnsafeCell<ReseedingRng<Core, OsRng>>> = { + <span class="kw">let </span>r = Core::from_rng(OsRng).unwrap_or_else(|err| + <span class="macro">panic!</span>(<span class="string">"could not initialize thread_rng: {}"</span>, err)); + <span class="kw">let </span>rng = ReseedingRng::new(r, + THREAD_RNG_RESEED_THRESHOLD, + OsRng); + Rc::new(UnsafeCell::new(rng)) + } +); + +<span class="doccomment">/// Retrieve the lazily-initialized thread-local random number generator, +/// seeded by the system. Intended to be used in method chaining style, +/// e.g. `thread_rng().gen::<i32>()`, or cached locally, e.g. +/// `let mut rng = thread_rng();`. Invoked by the `Default` trait, making +/// `ThreadRng::default()` equivalent. +/// +/// For more information see [`ThreadRng`]. +</span><span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(all(feature = <span class="string">"std"</span>, feature = <span class="string">"std_rng"</span>))))] +</span><span class="kw">pub fn </span>thread_rng() -> ThreadRng { + <span class="kw">let </span>rng = THREAD_RNG_KEY.with(|t| t.clone()); + ThreadRng { rng } +} + +<span class="kw">impl </span>Default <span class="kw">for </span>ThreadRng { + <span class="kw">fn </span>default() -> ThreadRng { + <span class="kw">crate</span>::prelude::thread_rng() + } +} + +<span class="kw">impl </span>RngCore <span class="kw">for </span>ThreadRng { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="comment">// SAFETY: We must make sure to stop using `rng` before anyone else + // creates another mutable reference + </span><span class="kw">let </span>rng = <span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.rng.get() }; + rng.next_u32() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="comment">// SAFETY: We must make sure to stop using `rng` before anyone else + // creates another mutable reference + </span><span class="kw">let </span>rng = <span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.rng.get() }; + rng.next_u64() + } + + <span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="comment">// SAFETY: We must make sure to stop using `rng` before anyone else + // creates another mutable reference + </span><span class="kw">let </span>rng = <span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.rng.get() }; + rng.fill_bytes(dest) + } + + <span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="comment">// SAFETY: We must make sure to stop using `rng` before anyone else + // creates another mutable reference + </span><span class="kw">let </span>rng = <span class="kw">unsafe </span>{ <span class="kw-2">&mut *</span><span class="self">self</span>.rng.get() }; + rng.try_fill_bytes(dest) + } +} + +<span class="kw">impl </span>CryptoRng <span class="kw">for </span>ThreadRng {} + + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_thread_rng() { + <span class="kw">use </span><span class="kw">crate</span>::Rng; + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::thread_rng(); + r.gen::<i32>(); + <span class="macro">assert_eq!</span>(r.gen_range(<span class="number">0</span>..<span class="number">1</span>), <span class="number">0</span>); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/seq/index.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/seq/index.rs.html new file mode 100644 index 0000000..9f59f7f --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/seq/index.rs.html @@ -0,0 +1,1359 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/seq/index.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>index.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span 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+<span id="447">447</span> +<span id="448">448</span> +<span id="449">449</span> +<span id="450">450</span> +<span id="451">451</span> +<span id="452">452</span> +<span id="453">453</span> +<span id="454">454</span> +<span id="455">455</span> +<span id="456">456</span> +<span id="457">457</span> +<span id="458">458</span> +<span id="459">459</span> +<span id="460">460</span> +<span id="461">461</span> +<span id="462">462</span> +<span id="463">463</span> +<span id="464">464</span> +<span id="465">465</span> +<span id="466">466</span> +<span id="467">467</span> +<span id="468">468</span> +<span id="469">469</span> +<span id="470">470</span> +<span id="471">471</span> +<span id="472">472</span> +<span id="473">473</span> +<span id="474">474</span> +<span id="475">475</span> +<span id="476">476</span> +<span id="477">477</span> +<span id="478">478</span> +<span id="479">479</span> +<span id="480">480</span> +<span id="481">481</span> +<span id="482">482</span> +<span id="483">483</span> +<span id="484">484</span> +<span id="485">485</span> +<span id="486">486</span> +<span id="487">487</span> +<span id="488">488</span> +<span id="489">489</span> +<span id="490">490</span> +<span id="491">491</span> +<span id="492">492</span> +<span id="493">493</span> +<span id="494">494</span> +<span id="495">495</span> +<span id="496">496</span> +<span id="497">497</span> +<span id="498">498</span> +<span id="499">499</span> +<span id="500">500</span> +<span id="501">501</span> +<span id="502">502</span> +<span id="503">503</span> +<span id="504">504</span> +<span id="505">505</span> +<span id="506">506</span> +<span id="507">507</span> +<span id="508">508</span> +<span id="509">509</span> +<span id="510">510</span> +<span id="511">511</span> +<span id="512">512</span> +<span id="513">513</span> +<span id="514">514</span> +<span id="515">515</span> +<span id="516">516</span> +<span id="517">517</span> +<span id="518">518</span> +<span id="519">519</span> +<span id="520">520</span> +<span id="521">521</span> +<span id="522">522</span> +<span id="523">523</span> +<span id="524">524</span> +<span id="525">525</span> +<span id="526">526</span> +<span id="527">527</span> +<span id="528">528</span> +<span id="529">529</span> +<span id="530">530</span> +<span id="531">531</span> +<span id="532">532</span> +<span id="533">533</span> +<span id="534">534</span> +<span id="535">535</span> +<span id="536">536</span> +<span id="537">537</span> +<span id="538">538</span> +<span id="539">539</span> +<span id="540">540</span> +<span id="541">541</span> +<span id="542">542</span> +<span id="543">543</span> +<span id="544">544</span> +<span id="545">545</span> +<span id="546">546</span> +<span id="547">547</span> +<span id="548">548</span> +<span id="549">549</span> +<span id="550">550</span> +<span id="551">551</span> +<span id="552">552</span> +<span id="553">553</span> +<span id="554">554</span> +<span id="555">555</span> +<span id="556">556</span> +<span id="557">557</span> +<span id="558">558</span> +<span id="559">559</span> +<span id="560">560</span> +<span id="561">561</span> +<span id="562">562</span> +<span id="563">563</span> +<span id="564">564</span> +<span id="565">565</span> +<span id="566">566</span> +<span id="567">567</span> +<span id="568">568</span> +<span id="569">569</span> +<span id="570">570</span> +<span id="571">571</span> +<span id="572">572</span> +<span id="573">573</span> +<span id="574">574</span> +<span id="575">575</span> +<span id="576">576</span> +<span id="577">577</span> +<span id="578">578</span> +<span id="579">579</span> +<span id="580">580</span> +<span id="581">581</span> +<span id="582">582</span> +<span id="583">583</span> +<span id="584">584</span> +<span id="585">585</span> +<span id="586">586</span> +<span id="587">587</span> +<span id="588">588</span> +<span id="589">589</span> +<span id="590">590</span> +<span id="591">591</span> +<span id="592">592</span> +<span id="593">593</span> +<span id="594">594</span> +<span id="595">595</span> +<span id="596">596</span> +<span id="597">597</span> +<span id="598">598</span> +<span id="599">599</span> +<span id="600">600</span> +<span id="601">601</span> +<span id="602">602</span> +<span id="603">603</span> +<span id="604">604</span> +<span id="605">605</span> +<span id="606">606</span> +<span id="607">607</span> +<span id="608">608</span> +<span id="609">609</span> +<span id="610">610</span> +<span id="611">611</span> +<span id="612">612</span> +<span id="613">613</span> +<span id="614">614</span> +<span id="615">615</span> +<span id="616">616</span> +<span id="617">617</span> +<span id="618">618</span> +<span id="619">619</span> +<span id="620">620</span> +<span id="621">621</span> +<span id="622">622</span> +<span id="623">623</span> +<span id="624">624</span> +<span id="625">625</span> +<span id="626">626</span> +<span id="627">627</span> +<span id="628">628</span> +<span id="629">629</span> +<span id="630">630</span> +<span id="631">631</span> +<span id="632">632</span> +<span id="633">633</span> +<span id="634">634</span> +<span id="635">635</span> +<span id="636">636</span> +<span id="637">637</span> +<span id="638">638</span> +<span id="639">639</span> +<span id="640">640</span> +<span id="641">641</span> +<span id="642">642</span> +<span id="643">643</span> +<span id="644">644</span> +<span id="645">645</span> +<span id="646">646</span> +<span id="647">647</span> +<span id="648">648</span> +<span id="649">649</span> +<span id="650">650</span> +<span id="651">651</span> +<span id="652">652</span> +<span id="653">653</span> +<span id="654">654</span> +<span id="655">655</span> +<span id="656">656</span> +<span id="657">657</span> +<span id="658">658</span> +<span id="659">659</span> +<span id="660">660</span> +<span id="661">661</span> +<span id="662">662</span> +<span id="663">663</span> +<span id="664">664</span> +<span id="665">665</span> +<span id="666">666</span> +<span id="667">667</span> +<span id="668">668</span> +<span id="669">669</span> +<span id="670">670</span> +<span id="671">671</span> +<span id="672">672</span> +<span id="673">673</span> +<span id="674">674</span> +<span id="675">675</span> +<span id="676">676</span> +<span id="677">677</span> +<span id="678">678</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Low-level API for sampling indices + +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>core::slice; + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>alloc::vec::{<span class="self">self</span>, Vec}; +<span class="comment">// BTreeMap is not as fast in tests, but better than nothing. +</span><span class="attribute">#[cfg(all(feature = <span class="string">"alloc"</span>, not(feature = <span class="string">"std"</span>)))] +</span><span class="kw">use </span>alloc::collections::BTreeSet; +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] </span><span class="kw">use </span>std::collections::HashSet; + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::WeightedError; + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">use crate</span>::{Rng, distributions::{uniform::SampleUniform, Distribution, Uniform}}; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Serialize, Deserialize}; + +<span class="doccomment">/// A vector of indices. +/// +/// Multiple internal representations are possible. +</span><span class="attribute">#[derive(Clone, Debug)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub enum </span>IndexVec { + <span class="attribute">#[doc(hidden)] + </span>U32(Vec<u32>), + <span class="attribute">#[doc(hidden)] + </span>USize(Vec<usize>), +} + +<span class="kw">impl </span>IndexVec { + <span class="doccomment">/// Returns the number of indices + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize { + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + IndexVec::U32(<span class="kw-2">ref </span>v) => v.len(), + IndexVec::USize(<span class="kw-2">ref </span>v) => v.len(), + } + } + + <span class="doccomment">/// Returns `true` if the length is 0. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool { + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + IndexVec::U32(<span class="kw-2">ref </span>v) => v.is_empty(), + IndexVec::USize(<span class="kw-2">ref </span>v) => v.is_empty(), + } + } + + <span class="doccomment">/// Return the value at the given `index`. + /// + /// (Note: we cannot implement [`std::ops::Index`] because of lifetime + /// restrictions.) + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>index(<span class="kw-2">&</span><span class="self">self</span>, index: usize) -> usize { + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + IndexVec::U32(<span class="kw-2">ref </span>v) => v[index] <span class="kw">as </span>usize, + IndexVec::USize(<span class="kw-2">ref </span>v) => v[index], + } + } + + <span class="doccomment">/// Return result as a `Vec<usize>`. Conversion may or may not be trivial. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>into_vec(<span class="self">self</span>) -> Vec<usize> { + <span class="kw">match </span><span class="self">self </span>{ + IndexVec::U32(v) => v.into_iter().map(|i| i <span class="kw">as </span>usize).collect(), + IndexVec::USize(v) => v, + } + } + + <span class="doccomment">/// Iterate over the indices as a sequence of `usize` values + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>iter(<span class="kw-2">&</span><span class="self">self</span>) -> IndexVecIter<<span class="lifetime">'_</span>> { + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + IndexVec::U32(<span class="kw-2">ref </span>v) => IndexVecIter::U32(v.iter()), + IndexVec::USize(<span class="kw-2">ref </span>v) => IndexVecIter::USize(v.iter()), + } + } +} + +<span class="kw">impl </span>IntoIterator <span class="kw">for </span>IndexVec { + <span class="kw">type </span>Item = usize; + <span class="kw">type </span>IntoIter = IndexVecIntoIter; + + <span class="doccomment">/// Convert into an iterator over the indices as a sequence of `usize` values + </span><span class="attribute">#[inline] + </span><span class="kw">fn </span>into_iter(<span class="self">self</span>) -> IndexVecIntoIter { + <span class="kw">match </span><span class="self">self </span>{ + IndexVec::U32(v) => IndexVecIntoIter::U32(v.into_iter()), + IndexVec::USize(v) => IndexVecIntoIter::USize(v.into_iter()), + } + } +} + +<span class="kw">impl </span>PartialEq <span class="kw">for </span>IndexVec { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>IndexVec) -> bool { + <span class="kw">use </span><span class="self">self</span>::IndexVec::<span class="kw-2">*</span>; + <span class="kw">match </span>(<span class="self">self</span>, other) { + (<span class="kw-2">&</span>U32(<span class="kw-2">ref </span>v1), <span class="kw-2">&</span>U32(<span class="kw-2">ref </span>v2)) => v1 == v2, + (<span class="kw-2">&</span>USize(<span class="kw-2">ref </span>v1), <span class="kw-2">&</span>USize(<span class="kw-2">ref </span>v2)) => v1 == v2, + (<span class="kw-2">&</span>U32(<span class="kw-2">ref </span>v1), <span class="kw-2">&</span>USize(<span class="kw-2">ref </span>v2)) => { + (v1.len() == v2.len()) && (v1.iter().zip(v2.iter()).all(|(x, y)| <span class="kw-2">*</span>x <span class="kw">as </span>usize == <span class="kw-2">*</span>y)) + } + (<span class="kw-2">&</span>USize(<span class="kw-2">ref </span>v1), <span class="kw-2">&</span>U32(<span class="kw-2">ref </span>v2)) => { + (v1.len() == v2.len()) && (v1.iter().zip(v2.iter()).all(|(x, y)| <span class="kw-2">*</span>x == <span class="kw-2">*</span>y <span class="kw">as </span>usize)) + } + } + } +} + +<span class="kw">impl </span>From<Vec<u32>> <span class="kw">for </span>IndexVec { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from(v: Vec<u32>) -> <span class="self">Self </span>{ + IndexVec::U32(v) + } +} + +<span class="kw">impl </span>From<Vec<usize>> <span class="kw">for </span>IndexVec { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from(v: Vec<usize>) -> <span class="self">Self </span>{ + IndexVec::USize(v) + } +} + +<span class="doccomment">/// Return type of `IndexVec::iter`. +</span><span class="attribute">#[derive(Debug)] +</span><span class="kw">pub enum </span>IndexVecIter<<span class="lifetime">'a</span>> { + <span class="attribute">#[doc(hidden)] + </span>U32(slice::Iter<<span class="lifetime">'a</span>, u32>), + <span class="attribute">#[doc(hidden)] + </span>USize(slice::Iter<<span class="lifetime">'a</span>, usize>), +} + +<span class="kw">impl</span><<span class="lifetime">'a</span>> Iterator <span class="kw">for </span>IndexVecIter<<span class="lifetime">'a</span>> { + <span class="kw">type </span>Item = usize; + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><usize> { + <span class="kw">use </span><span class="self">self</span>::IndexVecIter::<span class="kw-2">*</span>; + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + U32(<span class="kw-2">ref mut </span>iter) => iter.next().map(|i| <span class="kw-2">*</span>i <span class="kw">as </span>usize), + USize(<span class="kw-2">ref mut </span>iter) => iter.next().cloned(), + } + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + IndexVecIter::U32(<span class="kw-2">ref </span>v) => v.size_hint(), + IndexVecIter::USize(<span class="kw-2">ref </span>v) => v.size_hint(), + } + } +} + +<span class="kw">impl</span><<span class="lifetime">'a</span>> ExactSizeIterator <span class="kw">for </span>IndexVecIter<<span class="lifetime">'a</span>> {} + +<span class="doccomment">/// Return type of `IndexVec::into_iter`. +</span><span class="attribute">#[derive(Clone, Debug)] +</span><span class="kw">pub enum </span>IndexVecIntoIter { + <span class="attribute">#[doc(hidden)] + </span>U32(vec::IntoIter<u32>), + <span class="attribute">#[doc(hidden)] + </span>USize(vec::IntoIter<usize>), +} + +<span class="kw">impl </span>Iterator <span class="kw">for </span>IndexVecIntoIter { + <span class="kw">type </span>Item = usize; + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { + <span class="kw">use </span><span class="self">self</span>::IndexVecIntoIter::<span class="kw-2">*</span>; + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + U32(<span class="kw-2">ref mut </span>v) => v.next().map(|i| i <span class="kw">as </span>usize), + USize(<span class="kw-2">ref mut </span>v) => v.next(), + } + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { + <span class="kw">use </span><span class="self">self</span>::IndexVecIntoIter::<span class="kw-2">*</span>; + <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ + U32(<span class="kw-2">ref </span>v) => v.size_hint(), + USize(<span class="kw-2">ref </span>v) => v.size_hint(), + } + } +} + +<span class="kw">impl </span>ExactSizeIterator <span class="kw">for </span>IndexVecIntoIter {} + + +<span class="doccomment">/// Randomly sample exactly `amount` distinct indices from `0..length`, and +/// return them in random order (fully shuffled). +/// +/// This method is used internally by the slice sampling methods, but it can +/// sometimes be useful to have the indices themselves so this is provided as +/// an alternative. +/// +/// The implementation used is not specified; we automatically select the +/// fastest available algorithm for the `length` and `amount` parameters +/// (based on detailed profiling on an Intel Haswell CPU). Roughly speaking, +/// complexity is `O(amount)`, except that when `amount` is small, performance +/// is closer to `O(amount^2)`, and when `length` is close to `amount` then +/// `O(length)`. +/// +/// Note that performance is significantly better over `u32` indices than over +/// `u64` indices. Because of this we hide the underlying type behind an +/// abstraction, `IndexVec`. +/// +/// If an allocation-free `no_std` function is required, it is suggested +/// to adapt the internal `sample_floyd` implementation. +/// +/// Panics if `amount > length`. +</span><span class="kw">pub fn </span>sample<R>(rng: <span class="kw-2">&mut </span>R, length: usize, amount: usize) -> IndexVec +<span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">if </span>amount > length { + <span class="macro">panic!</span>(<span class="string">"`amount` of samples must be less than or equal to `length`"</span>); + } + <span class="kw">if </span>length > (::core::u32::MAX <span class="kw">as </span>usize) { + <span class="comment">// We never want to use inplace here, but could use floyd's alg + // Lazy version: always use the cache alg. + </span><span class="kw">return </span>sample_rejection(rng, length, amount); + } + <span class="kw">let </span>amount = amount <span class="kw">as </span>u32; + <span class="kw">let </span>length = length <span class="kw">as </span>u32; + + <span class="comment">// Choice of algorithm here depends on both length and amount. See: + // https://github.com/rust-random/rand/pull/479 + // We do some calculations with f32. Accuracy is not very important. + + </span><span class="kw">if </span>amount < <span class="number">163 </span>{ + <span class="kw">const </span>C: [[f32; <span class="number">2</span>]; <span class="number">2</span>] = [[<span class="number">1.6</span>, <span class="number">8.0 </span>/ <span class="number">45.0</span>], [<span class="number">10.0</span>, <span class="number">70.0 </span>/ <span class="number">9.0</span>]]; + <span class="kw">let </span>j = <span class="kw">if </span>length < <span class="number">500_000 </span>{ <span class="number">0 </span>} <span class="kw">else </span>{ <span class="number">1 </span>}; + <span class="kw">let </span>amount_fp = amount <span class="kw">as </span>f32; + <span class="kw">let </span>m4 = C[<span class="number">0</span>][j] * amount_fp; + <span class="comment">// Short-cut: when amount < 12, floyd's is always faster + </span><span class="kw">if </span>amount > <span class="number">11 </span>&& (length <span class="kw">as </span>f32) < (C[<span class="number">1</span>][j] + m4) * amount_fp { + sample_inplace(rng, length, amount) + } <span class="kw">else </span>{ + sample_floyd(rng, length, amount) + } + } <span class="kw">else </span>{ + <span class="kw">const </span>C: [f32; <span class="number">2</span>] = [<span class="number">270.0</span>, <span class="number">330.0 </span>/ <span class="number">9.0</span>]; + <span class="kw">let </span>j = <span class="kw">if </span>length < <span class="number">500_000 </span>{ <span class="number">0 </span>} <span class="kw">else </span>{ <span class="number">1 </span>}; + <span class="kw">if </span>(length <span class="kw">as </span>f32) < C[j] * (amount <span class="kw">as </span>f32) { + sample_inplace(rng, length, amount) + } <span class="kw">else </span>{ + sample_rejection(rng, length, amount) + } + } +} + +<span class="doccomment">/// Randomly sample exactly `amount` distinct indices from `0..length`, and +/// return them in an arbitrary order (there is no guarantee of shuffling or +/// ordering). The weights are to be provided by the input function `weights`, +/// which will be called once for each index. +/// +/// This method is used internally by the slice sampling methods, but it can +/// sometimes be useful to have the indices themselves so this is provided as +/// an alternative. +/// +/// This implementation uses `O(length + amount)` space and `O(length)` time +/// if the "nightly" feature is enabled, or `O(length)` space and +/// `O(length + amount * log length)` time otherwise. +/// +/// Panics if `amount > length`. +</span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std"</span>)))] +</span><span class="kw">pub fn </span>sample_weighted<R, F, X>( + rng: <span class="kw-2">&mut </span>R, length: usize, weight: F, amount: usize, +) -> <span class="prelude-ty">Result</span><IndexVec, WeightedError> +<span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(usize) -> X, + X: Into<f64>, +{ + <span class="kw">if </span>length > (core::u32::MAX <span class="kw">as </span>usize) { + sample_efraimidis_spirakis(rng, length, weight, amount) + } <span class="kw">else </span>{ + <span class="macro">assert!</span>(amount <= core::u32::MAX <span class="kw">as </span>usize); + <span class="kw">let </span>amount = amount <span class="kw">as </span>u32; + <span class="kw">let </span>length = length <span class="kw">as </span>u32; + sample_efraimidis_spirakis(rng, length, weight, amount) + } +} + + +<span class="doccomment">/// Randomly sample exactly `amount` distinct indices from `0..length`, and +/// return them in an arbitrary order (there is no guarantee of shuffling or +/// ordering). The weights are to be provided by the input function `weights`, +/// which will be called once for each index. +/// +/// This implementation uses the algorithm described by Efraimidis and Spirakis +/// in this paper: https://doi.org/10.1016/j.ipl.2005.11.003 +/// It uses `O(length + amount)` space and `O(length)` time if the +/// "nightly" feature is enabled, or `O(length)` space and `O(length +/// + amount * log length)` time otherwise. +/// +/// Panics if `amount > length`. +</span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">fn </span>sample_efraimidis_spirakis<R, F, X, N>( + rng: <span class="kw-2">&mut </span>R, length: N, weight: F, amount: N, +) -> <span class="prelude-ty">Result</span><IndexVec, WeightedError> +<span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(usize) -> X, + X: Into<f64>, + N: UInt, + IndexVec: From<Vec<N>>, +{ + <span class="kw">if </span>amount == N::zero() { + <span class="kw">return </span><span class="prelude-val">Ok</span>(IndexVec::U32(Vec::new())); + } + + <span class="kw">if </span>amount > length { + <span class="macro">panic!</span>(<span class="string">"`amount` of samples must be less than or equal to `length`"</span>); + } + + <span class="kw">struct </span>Element<N> { + index: N, + key: f64, + } + <span class="kw">impl</span><N> PartialOrd <span class="kw">for </span>Element<N> { + <span class="kw">fn </span>partial_cmp(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> <span class="prelude-ty">Option</span><core::cmp::Ordering> { + <span class="self">self</span>.key.partial_cmp(<span class="kw-2">&</span>other.key) + } + } + <span class="kw">impl</span><N> Ord <span class="kw">for </span>Element<N> { + <span class="kw">fn </span>cmp(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> core::cmp::Ordering { + <span class="comment">// partial_cmp will always produce a value, + // because we check that the weights are not nan + </span><span class="self">self</span>.partial_cmp(other).unwrap() + } + } + <span class="kw">impl</span><N> PartialEq <span class="kw">for </span>Element<N> { + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { + <span class="self">self</span>.key == other.key + } + } + <span class="kw">impl</span><N> Eq <span class="kw">for </span>Element<N> {} + + <span class="attribute">#[cfg(feature = <span class="string">"nightly"</span>)] + </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>candidates = Vec::with_capacity(length.as_usize()); + <span class="kw">let </span><span class="kw-2">mut </span>index = N::zero(); + <span class="kw">while </span>index < length { + <span class="kw">let </span>weight = weight(index.as_usize()).into(); + <span class="kw">if </span>!(weight >= <span class="number">0.</span>) { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::InvalidWeight); + } + + <span class="kw">let </span>key = rng.gen::<f64>().powf(<span class="number">1.0 </span>/ weight); + candidates.push(Element { index, key }); + + index += N::one(); + } + + <span class="comment">// Partially sort the array to find the `amount` elements with the greatest + // keys. Do this by using `select_nth_unstable` to put the elements with + // the *smallest* keys at the beginning of the list in `O(n)` time, which + // provides equivalent information about the elements with the *greatest* keys. + </span><span class="kw">let </span>(<span class="kw">_</span>, mid, greater) + = candidates.select_nth_unstable(length.as_usize() - amount.as_usize()); + + <span class="kw">let </span><span class="kw-2">mut </span>result: Vec<N> = Vec::with_capacity(amount.as_usize()); + result.push(mid.index); + <span class="kw">for </span>element <span class="kw">in </span>greater { + result.push(element.index); + } + <span class="prelude-val">Ok</span>(IndexVec::from(result)) + } + + <span class="attribute">#[cfg(not(feature = <span class="string">"nightly"</span>))] + </span>{ + <span class="kw">use </span>alloc::collections::BinaryHeap; + + <span class="comment">// Partially sort the array such that the `amount` elements with the largest + // keys are first using a binary max heap. + </span><span class="kw">let </span><span class="kw-2">mut </span>candidates = BinaryHeap::with_capacity(length.as_usize()); + <span class="kw">let </span><span class="kw-2">mut </span>index = N::zero(); + <span class="kw">while </span>index < length { + <span class="kw">let </span>weight = weight(index.as_usize()).into(); + <span class="kw">if </span>!(weight >= <span class="number">0.</span>) { + <span class="kw">return </span><span class="prelude-val">Err</span>(WeightedError::InvalidWeight); + } + + <span class="kw">let </span>key = rng.gen::<f64>().powf(<span class="number">1.0 </span>/ weight); + candidates.push(Element { index, key }); + + index += N::one(); + } + + <span class="kw">let </span><span class="kw-2">mut </span>result: Vec<N> = Vec::with_capacity(amount.as_usize()); + <span class="kw">while </span>result.len() < amount.as_usize() { + result.push(candidates.pop().unwrap().index); + } + <span class="prelude-val">Ok</span>(IndexVec::from(result)) + } +} + +<span class="doccomment">/// Randomly sample exactly `amount` indices from `0..length`, using Floyd's +/// combination algorithm. +/// +/// The output values are fully shuffled. (Overhead is under 50%.) +/// +/// This implementation uses `O(amount)` memory and `O(amount^2)` time. +</span><span class="kw">fn </span>sample_floyd<R>(rng: <span class="kw-2">&mut </span>R, length: u32, amount: u32) -> IndexVec +<span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="comment">// For small amount we use Floyd's fully-shuffled variant. For larger + // amounts this is slow due to Vec::insert performance, so we shuffle + // afterwards. Benchmarks show little overhead from extra logic. + </span><span class="kw">let </span>floyd_shuffle = amount < <span class="number">50</span>; + + <span class="macro">debug_assert!</span>(amount <= length); + <span class="kw">let </span><span class="kw-2">mut </span>indices = Vec::with_capacity(amount <span class="kw">as </span>usize); + <span class="kw">for </span>j <span class="kw">in </span>length - amount..length { + <span class="kw">let </span>t = rng.gen_range(<span class="number">0</span>..=j); + <span class="kw">if </span>floyd_shuffle { + <span class="kw">if let </span><span class="prelude-val">Some</span>(pos) = indices.iter().position(|<span class="kw-2">&</span>x| x == t) { + indices.insert(pos, j); + <span class="kw">continue</span>; + } + } <span class="kw">else if </span>indices.contains(<span class="kw-2">&</span>t) { + indices.push(j); + <span class="kw">continue</span>; + } + indices.push(t); + } + <span class="kw">if </span>!floyd_shuffle { + <span class="comment">// Reimplement SliceRandom::shuffle with smaller indices + </span><span class="kw">for </span>i <span class="kw">in </span>(<span class="number">1</span>..amount).rev() { + <span class="comment">// invariant: elements with index > i have been locked in place. + </span>indices.swap(i <span class="kw">as </span>usize, rng.gen_range(<span class="number">0</span>..=i) <span class="kw">as </span>usize); + } + } + IndexVec::from(indices) +} + +<span class="doccomment">/// Randomly sample exactly `amount` indices from `0..length`, using an inplace +/// partial Fisher-Yates method. +/// Sample an amount of indices using an inplace partial fisher yates method. +/// +/// This allocates the entire `length` of indices and randomizes only the first `amount`. +/// It then truncates to `amount` and returns. +/// +/// This method is not appropriate for large `length` and potentially uses a lot +/// of memory; because of this we only implement for `u32` index (which improves +/// performance in all cases). +/// +/// Set-up is `O(length)` time and memory and shuffling is `O(amount)` time. +</span><span class="kw">fn </span>sample_inplace<R>(rng: <span class="kw-2">&mut </span>R, length: u32, amount: u32) -> IndexVec +<span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="macro">debug_assert!</span>(amount <= length); + <span class="kw">let </span><span class="kw-2">mut </span>indices: Vec<u32> = Vec::with_capacity(length <span class="kw">as </span>usize); + indices.extend(<span class="number">0</span>..length); + <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..amount { + <span class="kw">let </span>j: u32 = rng.gen_range(i..length); + indices.swap(i <span class="kw">as </span>usize, j <span class="kw">as </span>usize); + } + indices.truncate(amount <span class="kw">as </span>usize); + <span class="macro">debug_assert_eq!</span>(indices.len(), amount <span class="kw">as </span>usize); + IndexVec::from(indices) +} + +<span class="kw">trait </span>UInt: Copy + PartialOrd + Ord + PartialEq + Eq + SampleUniform + + core::hash::Hash + core::ops::AddAssign { + <span class="kw">fn </span>zero() -> <span class="self">Self</span>; + <span class="kw">fn </span>one() -> <span class="self">Self</span>; + <span class="kw">fn </span>as_usize(<span class="self">self</span>) -> usize; +} +<span class="kw">impl </span>UInt <span class="kw">for </span>u32 { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>zero() -> <span class="self">Self </span>{ + <span class="number">0 + </span>} + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>one() -> <span class="self">Self </span>{ + <span class="number">1 + </span>} + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>as_usize(<span class="self">self</span>) -> usize { + <span class="self">self </span><span class="kw">as </span>usize + } +} +<span class="kw">impl </span>UInt <span class="kw">for </span>usize { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>zero() -> <span class="self">Self </span>{ + <span class="number">0 + </span>} + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>one() -> <span class="self">Self </span>{ + <span class="number">1 + </span>} + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>as_usize(<span class="self">self</span>) -> usize { + <span class="self">self + </span>} +} + +<span class="doccomment">/// Randomly sample exactly `amount` indices from `0..length`, using rejection +/// sampling. +/// +/// Since `amount <<< length` there is a low chance of a random sample in +/// `0..length` being a duplicate. We test for duplicates and resample where +/// necessary. The algorithm is `O(amount)` time and memory. +/// +/// This function is generic over X primarily so that results are value-stable +/// over 32-bit and 64-bit platforms. +</span><span class="kw">fn </span>sample_rejection<X: UInt, R>(rng: <span class="kw-2">&mut </span>R, length: X, amount: X) -> IndexVec +<span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + IndexVec: From<Vec<X>>, +{ + <span class="macro">debug_assert!</span>(amount < length); + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span><span class="kw">let </span><span class="kw-2">mut </span>cache = HashSet::with_capacity(amount.as_usize()); + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + </span><span class="kw">let </span><span class="kw-2">mut </span>cache = BTreeSet::new(); + <span class="kw">let </span>distr = Uniform::new(X::zero(), length); + <span class="kw">let </span><span class="kw-2">mut </span>indices = Vec::with_capacity(amount.as_usize()); + <span class="kw">for _ in </span><span class="number">0</span>..amount.as_usize() { + <span class="kw">let </span><span class="kw-2">mut </span>pos = distr.sample(rng); + <span class="kw">while </span>!cache.insert(pos) { + pos = distr.sample(rng); + } + indices.push(pos); + } + + <span class="macro">debug_assert_eq!</span>(indices.len(), amount.as_usize()); + IndexVec::from(indices) +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"serde1"</span>)] + </span><span class="kw">fn </span>test_serialization_index_vec() { + <span class="kw">let </span>some_index_vec = IndexVec::from(<span class="macro">vec!</span>[<span class="number">254_usize</span>, <span class="number">234</span>, <span class="number">2</span>, <span class="number">1</span>]); + <span class="kw">let </span>de_some_index_vec: IndexVec = bincode::deserialize(<span class="kw-2">&</span>bincode::serialize(<span class="kw-2">&</span>some_index_vec).unwrap()).unwrap(); + <span class="kw">match </span>(some_index_vec, de_some_index_vec) { + (IndexVec::U32(a), IndexVec::U32(b)) => { + <span class="macro">assert_eq!</span>(a, b); + }, + (IndexVec::USize(a), IndexVec::USize(b)) => { + <span class="macro">assert_eq!</span>(a, b); + }, + <span class="kw">_ </span>=> {<span class="macro">panic!</span>(<span class="string">"failed to seralize/deserialize `IndexVec`"</span>)} + } + } + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>alloc::vec; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_sample_boundaries() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">404</span>); + + <span class="macro">assert_eq!</span>(sample_inplace(<span class="kw-2">&mut </span>r, <span class="number">0</span>, <span class="number">0</span>).len(), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(sample_inplace(<span class="kw-2">&mut </span>r, <span class="number">1</span>, <span class="number">0</span>).len(), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(sample_inplace(<span class="kw-2">&mut </span>r, <span class="number">1</span>, <span class="number">1</span>).into_vec(), <span class="macro">vec!</span>[<span class="number">0</span>]); + + <span class="macro">assert_eq!</span>(sample_rejection(<span class="kw-2">&mut </span>r, <span class="number">1u32</span>, <span class="number">0</span>).len(), <span class="number">0</span>); + + <span class="macro">assert_eq!</span>(sample_floyd(<span class="kw-2">&mut </span>r, <span class="number">0</span>, <span class="number">0</span>).len(), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(sample_floyd(<span class="kw-2">&mut </span>r, <span class="number">1</span>, <span class="number">0</span>).len(), <span class="number">0</span>); + <span class="macro">assert_eq!</span>(sample_floyd(<span class="kw-2">&mut </span>r, <span class="number">1</span>, <span class="number">1</span>).into_vec(), <span class="macro">vec!</span>[<span class="number">0</span>]); + + <span class="comment">// These algorithms should be fast with big numbers. Test average. + </span><span class="kw">let </span>sum: usize = sample_rejection(<span class="kw-2">&mut </span>r, <span class="number">1 </span><< <span class="number">25</span>, <span class="number">10u32</span>).into_iter().sum(); + <span class="macro">assert!</span>(<span class="number">1 </span><< <span class="number">25 </span>< sum && sum < (<span class="number">1 </span><< <span class="number">25</span>) * <span class="number">25</span>); + + <span class="kw">let </span>sum: usize = sample_floyd(<span class="kw-2">&mut </span>r, <span class="number">1 </span><< <span class="number">25</span>, <span class="number">10</span>).into_iter().sum(); + <span class="macro">assert!</span>(<span class="number">1 </span><< <span class="number">25 </span>< sum && sum < (<span class="number">1 </span><< <span class="number">25</span>) * <span class="number">25</span>); + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_sample_alg() { + <span class="kw">let </span>seed_rng = <span class="kw">crate</span>::test::rng; + + <span class="comment">// We can't test which algorithm is used directly, but Floyd's alg + // should produce different results from the others. (Also, `inplace` + // and `cached` currently use different sizes thus produce different results.) + + // A small length and relatively large amount should use inplace + </span><span class="kw">let </span>(length, amount): (usize, usize) = (<span class="number">100</span>, <span class="number">50</span>); + <span class="kw">let </span>v1 = sample(<span class="kw-2">&mut </span>seed_rng(<span class="number">420</span>), length, amount); + <span class="kw">let </span>v2 = sample_inplace(<span class="kw-2">&mut </span>seed_rng(<span class="number">420</span>), length <span class="kw">as </span>u32, amount <span class="kw">as </span>u32); + <span class="macro">assert!</span>(v1.iter().all(|e| e < length)); + <span class="macro">assert_eq!</span>(v1, v2); + + <span class="comment">// Test Floyd's alg does produce different results + </span><span class="kw">let </span>v3 = sample_floyd(<span class="kw-2">&mut </span>seed_rng(<span class="number">420</span>), length <span class="kw">as </span>u32, amount <span class="kw">as </span>u32); + <span class="macro">assert!</span>(v1 != v3); + + <span class="comment">// A large length and small amount should use Floyd + </span><span class="kw">let </span>(length, amount): (usize, usize) = (<span class="number">1 </span><< <span class="number">20</span>, <span class="number">50</span>); + <span class="kw">let </span>v1 = sample(<span class="kw-2">&mut </span>seed_rng(<span class="number">421</span>), length, amount); + <span class="kw">let </span>v2 = sample_floyd(<span class="kw-2">&mut </span>seed_rng(<span class="number">421</span>), length <span class="kw">as </span>u32, amount <span class="kw">as </span>u32); + <span class="macro">assert!</span>(v1.iter().all(|e| e < length)); + <span class="macro">assert_eq!</span>(v1, v2); + + <span class="comment">// A large length and larger amount should use cache + </span><span class="kw">let </span>(length, amount): (usize, usize) = (<span class="number">1 </span><< <span class="number">20</span>, <span class="number">600</span>); + <span class="kw">let </span>v1 = sample(<span class="kw-2">&mut </span>seed_rng(<span class="number">422</span>), length, amount); + <span class="kw">let </span>v2 = sample_rejection(<span class="kw-2">&mut </span>seed_rng(<span class="number">422</span>), length <span class="kw">as </span>u32, amount <span class="kw">as </span>u32); + <span class="macro">assert!</span>(v1.iter().all(|e| e < length)); + <span class="macro">assert_eq!</span>(v1, v2); + } + + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + #[test] + </span><span class="kw">fn </span>test_sample_weighted() { + <span class="kw">let </span>seed_rng = <span class="kw">crate</span>::test::rng; + <span class="kw">for </span><span class="kw-2">&</span>(amount, len) <span class="kw">in </span><span class="kw-2">&</span>[(<span class="number">0</span>, <span class="number">10</span>), (<span class="number">5</span>, <span class="number">10</span>), (<span class="number">10</span>, <span class="number">10</span>)] { + <span class="kw">let </span>v = sample_weighted(<span class="kw-2">&mut </span>seed_rng(<span class="number">423</span>), len, |i| i <span class="kw">as </span>f64, amount).unwrap(); + <span class="kw">match </span>v { + IndexVec::U32(<span class="kw-2">mut </span>indices) => { + <span class="macro">assert_eq!</span>(indices.len(), amount); + indices.sort_unstable(); + indices.dedup(); + <span class="macro">assert_eq!</span>(indices.len(), amount); + <span class="kw">for </span><span class="kw-2">&</span>i <span class="kw">in </span><span class="kw-2">&</span>indices { + <span class="macro">assert!</span>((i <span class="kw">as </span>usize) < len); + } + }, + IndexVec::USize(<span class="kw">_</span>) => <span class="macro">panic!</span>(<span class="string">"expected `IndexVec::U32`"</span>), + } + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability_sample() { + <span class="kw">let </span>do_test = |length, amount, values: <span class="kw-2">&</span>[u32]| { + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u32</span>; <span class="number">8</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">410</span>); + + <span class="kw">let </span>res = sample(<span class="kw-2">&mut </span>rng, length, amount); + <span class="kw">let </span>len = res.len().min(buf.len()); + <span class="kw">for </span>(x, y) <span class="kw">in </span>res.into_iter().zip(buf.iter_mut()) { + <span class="kw-2">*</span>y = x <span class="kw">as </span>u32; + } + <span class="macro">assert_eq!</span>( + <span class="kw-2">&</span>buf[<span class="number">0</span>..len], + values, + <span class="string">"failed sampling {}, {}"</span>, + length, + amount + ); + }; + + do_test(<span class="number">10</span>, <span class="number">6</span>, <span class="kw-2">&</span>[<span class="number">8</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">5</span>, <span class="number">9</span>, <span class="number">6</span>]); <span class="comment">// floyd + </span>do_test(<span class="number">25</span>, <span class="number">10</span>, <span class="kw-2">&</span>[<span class="number">18</span>, <span class="number">15</span>, <span class="number">14</span>, <span class="number">9</span>, <span class="number">0</span>, <span class="number">13</span>, <span class="number">5</span>, <span class="number">24</span>]); <span class="comment">// floyd + </span>do_test(<span class="number">300</span>, <span class="number">8</span>, <span class="kw-2">&</span>[<span class="number">30</span>, <span class="number">283</span>, <span class="number">150</span>, <span class="number">1</span>, <span class="number">73</span>, <span class="number">13</span>, <span class="number">285</span>, <span class="number">35</span>]); <span class="comment">// floyd + </span>do_test(<span class="number">300</span>, <span class="number">80</span>, <span class="kw-2">&</span>[<span class="number">31</span>, <span class="number">289</span>, <span class="number">248</span>, <span class="number">154</span>, <span class="number">5</span>, <span class="number">78</span>, <span class="number">19</span>, <span class="number">286</span>]); <span class="comment">// inplace + </span>do_test(<span class="number">300</span>, <span class="number">180</span>, <span class="kw-2">&</span>[<span class="number">31</span>, <span class="number">289</span>, <span class="number">248</span>, <span class="number">154</span>, <span class="number">5</span>, <span class="number">78</span>, <span class="number">19</span>, <span class="number">286</span>]); <span class="comment">// inplace + + </span>do_test(<span class="number">1_000_000</span>, <span class="number">8</span>, <span class="kw-2">&</span>[ + <span class="number">103717</span>, <span class="number">963485</span>, <span class="number">826422</span>, <span class="number">509101</span>, <span class="number">736394</span>, <span class="number">807035</span>, <span class="number">5327</span>, <span class="number">632573</span>, + ]); <span class="comment">// floyd + </span>do_test(<span class="number">1_000_000</span>, <span class="number">180</span>, <span class="kw-2">&</span>[ + <span class="number">103718</span>, <span class="number">963490</span>, <span class="number">826426</span>, <span class="number">509103</span>, <span class="number">736396</span>, <span class="number">807036</span>, <span class="number">5327</span>, <span class="number">632573</span>, + ]); <span class="comment">// rejection + </span>} +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/seq/mod.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/seq/mod.rs.html new file mode 100644 index 0000000..99cd32d --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand/seq/mod.rs.html @@ -0,0 +1,2715 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.8.5/src/seq/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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src="../../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +<span id="57">57</span> +<span id="58">58</span> +<span id="59">59</span> +<span id="60">60</span> +<span id="61">61</span> +<span id="62">62</span> +<span id="63">63</span> +<span id="64">64</span> +<span id="65">65</span> +<span id="66">66</span> +<span id="67">67</span> +<span id="68">68</span> +<span id="69">69</span> +<span id="70">70</span> +<span id="71">71</span> +<span id="72">72</span> +<span id="73">73</span> +<span id="74">74</span> +<span id="75">75</span> +<span id="76">76</span> +<span id="77">77</span> +<span id="78">78</span> +<span id="79">79</span> +<span id="80">80</span> +<span id="81">81</span> +<span id="82">82</span> +<span id="83">83</span> +<span id="84">84</span> +<span id="85">85</span> +<span id="86">86</span> +<span id="87">87</span> +<span id="88">88</span> +<span id="89">89</span> +<span id="90">90</span> +<span id="91">91</span> +<span id="92">92</span> +<span id="93">93</span> +<span id="94">94</span> +<span id="95">95</span> +<span id="96">96</span> +<span id="97">97</span> +<span id="98">98</span> +<span id="99">99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +<span id="177">177</span> +<span id="178">178</span> +<span id="179">179</span> +<span id="180">180</span> +<span id="181">181</span> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +<span id="219">219</span> +<span id="220">220</span> +<span id="221">221</span> +<span id="222">222</span> +<span id="223">223</span> +<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +<span id="323">323</span> +<span id="324">324</span> +<span id="325">325</span> +<span id="326">326</span> +<span id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +<span id="344">344</span> +<span id="345">345</span> +<span id="346">346</span> +<span id="347">347</span> +<span id="348">348</span> +<span id="349">349</span> +<span id="350">350</span> +<span id="351">351</span> +<span id="352">352</span> +<span id="353">353</span> +<span id="354">354</span> +<span id="355">355</span> +<span id="356">356</span> +<span id="357">357</span> +<span id="358">358</span> +<span id="359">359</span> +<span id="360">360</span> +<span id="361">361</span> +<span id="362">362</span> +<span id="363">363</span> +<span id="364">364</span> +<span id="365">365</span> +<span id="366">366</span> +<span id="367">367</span> +<span id="368">368</span> +<span id="369">369</span> +<span id="370">370</span> +<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +<span id="387">387</span> +<span id="388">388</span> +<span id="389">389</span> +<span id="390">390</span> +<span id="391">391</span> +<span id="392">392</span> +<span id="393">393</span> +<span id="394">394</span> +<span id="395">395</span> +<span id="396">396</span> +<span id="397">397</span> +<span id="398">398</span> +<span id="399">399</span> +<span id="400">400</span> +<span id="401">401</span> +<span id="402">402</span> +<span id="403">403</span> +<span id="404">404</span> +<span id="405">405</span> +<span id="406">406</span> +<span id="407">407</span> +<span id="408">408</span> +<span id="409">409</span> 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id="1035">1035</span> +<span id="1036">1036</span> +<span id="1037">1037</span> +<span id="1038">1038</span> +<span id="1039">1039</span> +<span id="1040">1040</span> +<span id="1041">1041</span> +<span id="1042">1042</span> +<span id="1043">1043</span> +<span id="1044">1044</span> +<span id="1045">1045</span> +<span id="1046">1046</span> +<span id="1047">1047</span> +<span id="1048">1048</span> +<span id="1049">1049</span> +<span id="1050">1050</span> +<span id="1051">1051</span> +<span id="1052">1052</span> +<span id="1053">1053</span> +<span id="1054">1054</span> +<span id="1055">1055</span> +<span id="1056">1056</span> +<span id="1057">1057</span> +<span id="1058">1058</span> +<span id="1059">1059</span> +<span id="1060">1060</span> +<span id="1061">1061</span> +<span id="1062">1062</span> +<span id="1063">1063</span> +<span id="1064">1064</span> +<span id="1065">1065</span> +<span id="1066">1066</span> +<span id="1067">1067</span> +<span id="1068">1068</span> +<span 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id="1307">1307</span> +<span id="1308">1308</span> +<span id="1309">1309</span> +<span id="1310">1310</span> +<span id="1311">1311</span> +<span id="1312">1312</span> +<span id="1313">1313</span> +<span id="1314">1314</span> +<span id="1315">1315</span> +<span id="1316">1316</span> +<span id="1317">1317</span> +<span id="1318">1318</span> +<span id="1319">1319</span> +<span id="1320">1320</span> +<span id="1321">1321</span> +<span id="1322">1322</span> +<span id="1323">1323</span> +<span id="1324">1324</span> +<span id="1325">1325</span> +<span id="1326">1326</span> +<span id="1327">1327</span> +<span id="1328">1328</span> +<span id="1329">1329</span> +<span id="1330">1330</span> +<span id="1331">1331</span> +<span id="1332">1332</span> +<span id="1333">1333</span> +<span id="1334">1334</span> +<span id="1335">1335</span> +<span id="1336">1336</span> +<span id="1337">1337</span> +<span id="1338">1338</span> +<span id="1339">1339</span> +<span id="1340">1340</span> +<span id="1341">1341</span> +<span id="1342">1342</span> +<span id="1343">1343</span> +<span id="1344">1344</span> +<span id="1345">1345</span> +<span id="1346">1346</span> +<span id="1347">1347</span> +<span id="1348">1348</span> +<span id="1349">1349</span> +<span id="1350">1350</span> +<span id="1351">1351</span> +<span id="1352">1352</span> +<span id="1353">1353</span> +<span id="1354">1354</span> +<span id="1355">1355</span> +<span id="1356">1356</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Sequence-related functionality +//! +//! This module provides: +//! +//! * [`SliceRandom`] slice sampling and mutation +//! * [`IteratorRandom`] iterator sampling +//! * [`index::sample`] low-level API to choose multiple indices from +//! `0..length` +//! +//! Also see: +//! +//! * [`crate::distributions::WeightedIndex`] distribution which provides +//! weighted index sampling. +//! +//! In order to make results reproducible across 32-64 bit architectures, all +//! `usize` indices are sampled as a `u32` where possible (also providing a +//! small performance boost in some cases). + + +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] +</span><span class="kw">pub mod </span>index; + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>core::ops::Index; + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>alloc::vec::Vec; + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">use </span><span class="kw">crate</span>::distributions::uniform::{SampleBorrow, SampleUniform}; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span><span class="kw">crate</span>::distributions::WeightedError; +<span class="kw">use </span><span class="kw">crate</span>::Rng; + +<span class="doccomment">/// Extension trait on slices, providing random mutation and sampling methods. +/// +/// This trait is implemented on all `[T]` slice types, providing several +/// methods for choosing and shuffling elements. You must `use` this trait: +/// +/// ``` +/// use rand::seq::SliceRandom; +/// +/// let mut rng = rand::thread_rng(); +/// let mut bytes = "Hello, random!".to_string().into_bytes(); +/// bytes.shuffle(&mut rng); +/// let str = String::from_utf8(bytes).unwrap(); +/// println!("{}", str); +/// ``` +/// Example output (non-deterministic): +/// ```none +/// l,nmroHado !le +/// ``` +</span><span class="kw">pub trait </span>SliceRandom { + <span class="doccomment">/// The element type. + </span><span class="kw">type </span>Item; + + <span class="doccomment">/// Returns a reference to one random element of the slice, or `None` if the + /// slice is empty. + /// + /// For slices, complexity is `O(1)`. + /// + /// # Example + /// + /// ``` + /// use rand::thread_rng; + /// use rand::seq::SliceRandom; + /// + /// let choices = [1, 2, 4, 8, 16, 32]; + /// let mut rng = thread_rng(); + /// println!("{:?}", choices.choose(&mut rng)); + /// assert_eq!(choices[..0].choose(&mut rng), None); + /// ``` + </span><span class="kw">fn </span>choose<R>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized; + + <span class="doccomment">/// Returns a mutable reference to one random element of the slice, or + /// `None` if the slice is empty. + /// + /// For slices, complexity is `O(1)`. + </span><span class="kw">fn </span>choose_mut<R>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span><span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized; + + <span class="doccomment">/// Chooses `amount` elements from the slice at random, without repetition, + /// and in random order. The returned iterator is appropriate both for + /// collection into a `Vec` and filling an existing buffer (see example). + /// + /// In case this API is not sufficiently flexible, use [`index::sample`]. + /// + /// For slices, complexity is the same as [`index::sample`]. + /// + /// # Example + /// ``` + /// use rand::seq::SliceRandom; + /// + /// let mut rng = &mut rand::thread_rng(); + /// let sample = "Hello, audience!".as_bytes(); + /// + /// // collect the results into a vector: + /// let v: Vec<u8> = sample.choose_multiple(&mut rng, 3).cloned().collect(); + /// + /// // store in a buffer: + /// let mut buf = [0u8; 5]; + /// for (b, slot) in sample.choose_multiple(&mut rng, buf.len()).zip(buf.iter_mut()) { + /// *slot = *b; + /// } + /// ``` + </span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] + </span><span class="kw">fn </span>choose_multiple<R>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize) -> SliceChooseIter<<span class="self">Self</span>, <span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized; + + <span class="doccomment">/// Similar to [`choose`], but where the likelihood of each outcome may be + /// specified. + /// + /// The specified function `weight` maps each item `x` to a relative + /// likelihood `weight(x)`. The probability of each item being selected is + /// therefore `weight(x) / s`, where `s` is the sum of all `weight(x)`. + /// + /// For slices of length `n`, complexity is `O(n)`. + /// See also [`choose_weighted_mut`], [`distributions::weighted`]. + /// + /// # Example + /// + /// ``` + /// use rand::prelude::*; + /// + /// let choices = [('a', 2), ('b', 1), ('c', 1)]; + /// let mut rng = thread_rng(); + /// // 50% chance to print 'a', 25% chance to print 'b', 25% chance to print 'c' + /// println!("{:?}", choices.choose_weighted(&mut rng, |item| item.1).unwrap().0); + /// ``` + /// [`choose`]: SliceRandom::choose + /// [`choose_weighted_mut`]: SliceRandom::choose_weighted_mut + /// [`distributions::weighted`]: crate::distributions::weighted + </span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] + </span><span class="kw">fn </span>choose_weighted<R, F, B, X>( + <span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, weight: F, + ) -> <span class="prelude-ty">Result</span><<span class="kw-2">&</span><span class="self">Self</span>::Item, WeightedError> + <span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(<span class="kw-2">&</span><span class="self">Self</span>::Item) -> B, + B: SampleBorrow<X>, + X: SampleUniform + + <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + + ::core::cmp::PartialOrd<X> + + Clone + + Default; + + <span class="doccomment">/// Similar to [`choose_mut`], but where the likelihood of each outcome may + /// be specified. + /// + /// The specified function `weight` maps each item `x` to a relative + /// likelihood `weight(x)`. The probability of each item being selected is + /// therefore `weight(x) / s`, where `s` is the sum of all `weight(x)`. + /// + /// For slices of length `n`, complexity is `O(n)`. + /// See also [`choose_weighted`], [`distributions::weighted`]. + /// + /// [`choose_mut`]: SliceRandom::choose_mut + /// [`choose_weighted`]: SliceRandom::choose_weighted + /// [`distributions::weighted`]: crate::distributions::weighted + </span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] + </span><span class="kw">fn </span>choose_weighted_mut<R, F, B, X>( + <span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, weight: F, + ) -> <span class="prelude-ty">Result</span><<span class="kw-2">&mut </span><span class="self">Self</span>::Item, WeightedError> + <span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(<span class="kw-2">&</span><span class="self">Self</span>::Item) -> B, + B: SampleBorrow<X>, + X: SampleUniform + + <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + + ::core::cmp::PartialOrd<X> + + Clone + + Default; + + <span class="doccomment">/// Similar to [`choose_multiple`], but where the likelihood of each element's + /// inclusion in the output may be specified. The elements are returned in an + /// arbitrary, unspecified order. + /// + /// The specified function `weight` maps each item `x` to a relative + /// likelihood `weight(x)`. The probability of each item being selected is + /// therefore `weight(x) / s`, where `s` is the sum of all `weight(x)`. + /// + /// If all of the weights are equal, even if they are all zero, each element has + /// an equal likelihood of being selected. + /// + /// The complexity of this method depends on the feature `partition_at_index`. + /// If the feature is enabled, then for slices of length `n`, the complexity + /// is `O(n)` space and `O(n)` time. Otherwise, the complexity is `O(n)` space and + /// `O(n * log amount)` time. + /// + /// # Example + /// + /// ``` + /// use rand::prelude::*; + /// + /// let choices = [('a', 2), ('b', 1), ('c', 1)]; + /// let mut rng = thread_rng(); + /// // First Draw * Second Draw = total odds + /// // ----------------------- + /// // (50% * 50%) + (25% * 67%) = 41.7% chance that the output is `['a', 'b']` in some order. + /// // (50% * 50%) + (25% * 67%) = 41.7% chance that the output is `['a', 'c']` in some order. + /// // (25% * 33%) + (25% * 33%) = 16.6% chance that the output is `['b', 'c']` in some order. + /// println!("{:?}", choices.choose_multiple_weighted(&mut rng, 2, |item| item.1).unwrap().collect::<Vec<_>>()); + /// ``` + /// [`choose_multiple`]: SliceRandom::choose_multiple + </span><span class="comment">// + // Note: this is feature-gated on std due to usage of f64::powf. + // If necessary, we may use alloc+libm as an alternative (see PR #1089). + </span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std"</span>)))] + </span><span class="kw">fn </span>choose_multiple_weighted<R, F, X>( + <span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize, weight: F, + ) -> <span class="prelude-ty">Result</span><SliceChooseIter<<span class="self">Self</span>, <span class="self">Self</span>::Item>, WeightedError> + <span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(<span class="kw-2">&</span><span class="self">Self</span>::Item) -> X, + X: Into<f64>; + + <span class="doccomment">/// Shuffle a mutable slice in place. + /// + /// For slices of length `n`, complexity is `O(n)`. + /// + /// # Example + /// + /// ``` + /// use rand::seq::SliceRandom; + /// use rand::thread_rng; + /// + /// let mut rng = thread_rng(); + /// let mut y = [1, 2, 3, 4, 5]; + /// println!("Unshuffled: {:?}", y); + /// y.shuffle(&mut rng); + /// println!("Shuffled: {:?}", y); + /// ``` + </span><span class="kw">fn </span>shuffle<R>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized; + + <span class="doccomment">/// Shuffle a slice in place, but exit early. + /// + /// Returns two mutable slices from the source slice. The first contains + /// `amount` elements randomly permuted. The second has the remaining + /// elements that are not fully shuffled. + /// + /// This is an efficient method to select `amount` elements at random from + /// the slice, provided the slice may be mutated. + /// + /// If you only need to choose elements randomly and `amount > self.len()/2` + /// then you may improve performance by taking + /// `amount = values.len() - amount` and using only the second slice. + /// + /// If `amount` is greater than the number of elements in the slice, this + /// will perform a full shuffle. + /// + /// For slices, complexity is `O(m)` where `m = amount`. + </span><span class="kw">fn </span>partial_shuffle<R>( + <span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize, + ) -> (<span class="kw-2">&mut </span>[<span class="self">Self</span>::Item], <span class="kw-2">&mut </span>[<span class="self">Self</span>::Item]) + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized; +} + +<span class="doccomment">/// Extension trait on iterators, providing random sampling methods. +/// +/// This trait is implemented on all iterators `I` where `I: Iterator + Sized` +/// and provides methods for +/// choosing one or more elements. You must `use` this trait: +/// +/// ``` +/// use rand::seq::IteratorRandom; +/// +/// let mut rng = rand::thread_rng(); +/// +/// let faces = "😀😎😐😕😠😢"; +/// println!("I am {}!", faces.chars().choose(&mut rng).unwrap()); +/// ``` +/// Example output (non-deterministic): +/// ```none +/// I am 😀! +/// ``` +</span><span class="kw">pub trait </span>IteratorRandom: Iterator + Sized { + <span class="doccomment">/// Choose one element at random from the iterator. + /// + /// Returns `None` if and only if the iterator is empty. + /// + /// This method uses [`Iterator::size_hint`] for optimisation. With an + /// accurate hint and where [`Iterator::nth`] is a constant-time operation + /// this method can offer `O(1)` performance. Where no size hint is + /// available, complexity is `O(n)` where `n` is the iterator length. + /// Partial hints (where `lower > 0`) also improve performance. + /// + /// Note that the output values and the number of RNG samples used + /// depends on size hints. In particular, `Iterator` combinators that don't + /// change the values yielded but change the size hints may result in + /// `choose` returning different elements. If you want consistent results + /// and RNG usage consider using [`IteratorRandom::choose_stable`]. + </span><span class="kw">fn </span>choose<R>(<span class="kw-2">mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">let </span>(<span class="kw-2">mut </span>lower, <span class="kw-2">mut </span>upper) = <span class="self">self</span>.size_hint(); + <span class="kw">let </span><span class="kw-2">mut </span>consumed = <span class="number">0</span>; + <span class="kw">let </span><span class="kw-2">mut </span>result = <span class="prelude-val">None</span>; + + <span class="comment">// Handling for this condition outside the loop allows the optimizer to eliminate the loop + // when the Iterator is an ExactSizeIterator. This has a large performance impact on e.g. + // seq_iter_choose_from_1000. + </span><span class="kw">if </span>upper == <span class="prelude-val">Some</span>(lower) { + <span class="kw">return if </span>lower == <span class="number">0 </span>{ + <span class="prelude-val">None + </span>} <span class="kw">else </span>{ + <span class="self">self</span>.nth(gen_index(rng, lower)) + }; + } + + <span class="comment">// Continue until the iterator is exhausted + </span><span class="kw">loop </span>{ + <span class="kw">if </span>lower > <span class="number">1 </span>{ + <span class="kw">let </span>ix = gen_index(rng, lower + consumed); + <span class="kw">let </span>skip = <span class="kw">if </span>ix < lower { + result = <span class="self">self</span>.nth(ix); + lower - (ix + <span class="number">1</span>) + } <span class="kw">else </span>{ + lower + }; + <span class="kw">if </span>upper == <span class="prelude-val">Some</span>(lower) { + <span class="kw">return </span>result; + } + consumed += lower; + <span class="kw">if </span>skip > <span class="number">0 </span>{ + <span class="self">self</span>.nth(skip - <span class="number">1</span>); + } + } <span class="kw">else </span>{ + <span class="kw">let </span>elem = <span class="self">self</span>.next(); + <span class="kw">if </span>elem.is_none() { + <span class="kw">return </span>result; + } + consumed += <span class="number">1</span>; + <span class="kw">if </span>gen_index(rng, consumed) == <span class="number">0 </span>{ + result = elem; + } + } + + <span class="kw">let </span>hint = <span class="self">self</span>.size_hint(); + lower = hint.<span class="number">0</span>; + upper = hint.<span class="number">1</span>; + } + } + + <span class="doccomment">/// Choose one element at random from the iterator. + /// + /// Returns `None` if and only if the iterator is empty. + /// + /// This method is very similar to [`choose`] except that the result + /// only depends on the length of the iterator and the values produced by + /// `rng`. Notably for any iterator of a given length this will make the + /// same requests to `rng` and if the same sequence of values are produced + /// the same index will be selected from `self`. This may be useful if you + /// need consistent results no matter what type of iterator you are working + /// with. If you do not need this stability prefer [`choose`]. + /// + /// Note that this method still uses [`Iterator::size_hint`] to skip + /// constructing elements where possible, however the selection and `rng` + /// calls are the same in the face of this optimization. If you want to + /// force every element to be created regardless call `.inspect(|e| ())`. + /// + /// [`choose`]: IteratorRandom::choose + </span><span class="kw">fn </span>choose_stable<R>(<span class="kw-2">mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">let </span><span class="kw-2">mut </span>consumed = <span class="number">0</span>; + <span class="kw">let </span><span class="kw-2">mut </span>result = <span class="prelude-val">None</span>; + + <span class="kw">loop </span>{ + <span class="comment">// Currently the only way to skip elements is `nth()`. So we need to + // store what index to access next here. + // This should be replaced by `advance_by()` once it is stable: + // https://github.com/rust-lang/rust/issues/77404 + </span><span class="kw">let </span><span class="kw-2">mut </span>next = <span class="number">0</span>; + + <span class="kw">let </span>(lower, <span class="kw">_</span>) = <span class="self">self</span>.size_hint(); + <span class="kw">if </span>lower >= <span class="number">2 </span>{ + <span class="kw">let </span>highest_selected = (<span class="number">0</span>..lower) + .filter(|ix| gen_index(rng, consumed+ix+<span class="number">1</span>) == <span class="number">0</span>) + .last(); + + consumed += lower; + next = lower; + + <span class="kw">if let </span><span class="prelude-val">Some</span>(ix) = highest_selected { + result = <span class="self">self</span>.nth(ix); + next -= ix + <span class="number">1</span>; + <span class="macro">debug_assert!</span>(result.is_some(), <span class="string">"iterator shorter than size_hint().0"</span>); + } + } + + <span class="kw">let </span>elem = <span class="self">self</span>.nth(next); + <span class="kw">if </span>elem.is_none() { + <span class="kw">return </span>result + } + + <span class="kw">if </span>gen_index(rng, consumed+<span class="number">1</span>) == <span class="number">0 </span>{ + result = elem; + } + consumed += <span class="number">1</span>; + } + } + + <span class="doccomment">/// Collects values at random from the iterator into a supplied buffer + /// until that buffer is filled. + /// + /// Although the elements are selected randomly, the order of elements in + /// the buffer is neither stable nor fully random. If random ordering is + /// desired, shuffle the result. + /// + /// Returns the number of elements added to the buffer. This equals the length + /// of the buffer unless the iterator contains insufficient elements, in which + /// case this equals the number of elements available. + /// + /// Complexity is `O(n)` where `n` is the length of the iterator. + /// For slices, prefer [`SliceRandom::choose_multiple`]. + </span><span class="kw">fn </span>choose_multiple_fill<R>(<span class="kw-2">mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, buf: <span class="kw-2">&mut </span>[<span class="self">Self</span>::Item]) -> usize + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">let </span>amount = buf.len(); + <span class="kw">let </span><span class="kw-2">mut </span>len = <span class="number">0</span>; + <span class="kw">while </span>len < amount { + <span class="kw">if let </span><span class="prelude-val">Some</span>(elem) = <span class="self">self</span>.next() { + buf[len] = elem; + len += <span class="number">1</span>; + } <span class="kw">else </span>{ + <span class="comment">// Iterator exhausted; stop early + </span><span class="kw">return </span>len; + } + } + + <span class="comment">// Continue, since the iterator was not exhausted + </span><span class="kw">for </span>(i, elem) <span class="kw">in </span><span class="self">self</span>.enumerate() { + <span class="kw">let </span>k = gen_index(rng, i + <span class="number">1 </span>+ amount); + <span class="kw">if let </span><span class="prelude-val">Some</span>(slot) = buf.get_mut(k) { + <span class="kw-2">*</span>slot = elem; + } + } + len + } + + <span class="doccomment">/// Collects `amount` values at random from the iterator into a vector. + /// + /// This is equivalent to `choose_multiple_fill` except for the result type. + /// + /// Although the elements are selected randomly, the order of elements in + /// the buffer is neither stable nor fully random. If random ordering is + /// desired, shuffle the result. + /// + /// The length of the returned vector equals `amount` unless the iterator + /// contains insufficient elements, in which case it equals the number of + /// elements available. + /// + /// Complexity is `O(n)` where `n` is the length of the iterator. + /// For slices, prefer [`SliceRandom::choose_multiple`]. + </span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] + </span><span class="kw">fn </span>choose_multiple<R>(<span class="kw-2">mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize) -> Vec<<span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">let </span><span class="kw-2">mut </span>reservoir = Vec::with_capacity(amount); + reservoir.extend(<span class="self">self</span>.by_ref().take(amount)); + + <span class="comment">// Continue unless the iterator was exhausted + // + // note: this prevents iterators that "restart" from causing problems. + // If the iterator stops once, then so do we. + </span><span class="kw">if </span>reservoir.len() == amount { + <span class="kw">for </span>(i, elem) <span class="kw">in </span><span class="self">self</span>.enumerate() { + <span class="kw">let </span>k = gen_index(rng, i + <span class="number">1 </span>+ amount); + <span class="kw">if let </span><span class="prelude-val">Some</span>(slot) = reservoir.get_mut(k) { + <span class="kw-2">*</span>slot = elem; + } + } + } <span class="kw">else </span>{ + <span class="comment">// Don't hang onto extra memory. There is a corner case where + // `amount` was much less than `self.len()`. + </span>reservoir.shrink_to_fit(); + } + reservoir + } +} + + +<span class="kw">impl</span><T> SliceRandom <span class="kw">for </span>[T] { + <span class="kw">type </span>Item = T; + + <span class="kw">fn </span>choose<R>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">if </span><span class="self">self</span>.is_empty() { + <span class="prelude-val">None + </span>} <span class="kw">else </span>{ + <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="self">self</span>[gen_index(rng, <span class="self">self</span>.len())]) + } + } + + <span class="kw">fn </span>choose_mut<R>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span><span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">if </span><span class="self">self</span>.is_empty() { + <span class="prelude-val">None + </span>} <span class="kw">else </span>{ + <span class="kw">let </span>len = <span class="self">self</span>.len(); + <span class="prelude-val">Some</span>(<span class="kw-2">&mut </span><span class="self">self</span>[gen_index(rng, len)]) + } + } + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="kw">fn </span>choose_multiple<R>(<span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize) -> SliceChooseIter<<span class="self">Self</span>, <span class="self">Self</span>::Item> + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">let </span>amount = ::core::cmp::min(amount, <span class="self">self</span>.len()); + SliceChooseIter { + slice: <span class="self">self</span>, + _phantom: Default::default(), + indices: index::sample(rng, <span class="self">self</span>.len(), amount).into_iter(), + } + } + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="kw">fn </span>choose_weighted<R, F, B, X>( + <span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, weight: F, + ) -> <span class="prelude-ty">Result</span><<span class="kw-2">&</span><span class="self">Self</span>::Item, WeightedError> + <span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(<span class="kw-2">&</span><span class="self">Self</span>::Item) -> B, + B: SampleBorrow<X>, + X: SampleUniform + + <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + + ::core::cmp::PartialOrd<X> + + Clone + + Default, + { + <span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, WeightedIndex}; + <span class="kw">let </span>distr = WeightedIndex::new(<span class="self">self</span>.iter().map(weight))<span class="question-mark">?</span>; + <span class="prelude-val">Ok</span>(<span class="kw-2">&</span><span class="self">self</span>[distr.sample(rng)]) + } + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="kw">fn </span>choose_weighted_mut<R, F, B, X>( + <span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, weight: F, + ) -> <span class="prelude-ty">Result</span><<span class="kw-2">&mut </span><span class="self">Self</span>::Item, WeightedError> + <span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(<span class="kw-2">&</span><span class="self">Self</span>::Item) -> B, + B: SampleBorrow<X>, + X: SampleUniform + + <span class="kw">for</span><<span class="lifetime">'a</span>> ::core::ops::AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>X> + + ::core::cmp::PartialOrd<X> + + Clone + + Default, + { + <span class="kw">use </span><span class="kw">crate</span>::distributions::{Distribution, WeightedIndex}; + <span class="kw">let </span>distr = WeightedIndex::new(<span class="self">self</span>.iter().map(weight))<span class="question-mark">?</span>; + <span class="prelude-val">Ok</span>(<span class="kw-2">&mut </span><span class="self">self</span>[distr.sample(rng)]) + } + + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span><span class="kw">fn </span>choose_multiple_weighted<R, F, X>( + <span class="kw-2">&</span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize, weight: F, + ) -> <span class="prelude-ty">Result</span><SliceChooseIter<<span class="self">Self</span>, <span class="self">Self</span>::Item>, WeightedError> + <span class="kw">where + </span>R: Rng + <span class="question-mark">?</span>Sized, + F: Fn(<span class="kw-2">&</span><span class="self">Self</span>::Item) -> X, + X: Into<f64>, + { + <span class="kw">let </span>amount = ::core::cmp::min(amount, <span class="self">self</span>.len()); + <span class="prelude-val">Ok</span>(SliceChooseIter { + slice: <span class="self">self</span>, + _phantom: Default::default(), + indices: index::sample_weighted( + rng, + <span class="self">self</span>.len(), + |idx| weight(<span class="kw-2">&</span><span class="self">self</span>[idx]).into(), + amount, + )<span class="question-mark">? + </span>.into_iter(), + }) + } + + <span class="kw">fn </span>shuffle<R>(<span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R) + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="kw">for </span>i <span class="kw">in </span>(<span class="number">1</span>..<span class="self">self</span>.len()).rev() { + <span class="comment">// invariant: elements with index > i have been locked in place. + </span><span class="self">self</span>.swap(i, gen_index(rng, i + <span class="number">1</span>)); + } + } + + <span class="kw">fn </span>partial_shuffle<R>( + <span class="kw-2">&mut </span><span class="self">self</span>, rng: <span class="kw-2">&mut </span>R, amount: usize, + ) -> (<span class="kw-2">&mut </span>[<span class="self">Self</span>::Item], <span class="kw-2">&mut </span>[<span class="self">Self</span>::Item]) + <span class="kw">where </span>R: Rng + <span class="question-mark">?</span>Sized { + <span class="comment">// This applies Durstenfeld's algorithm for the + // [Fisher–Yates shuffle](https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle#The_modern_algorithm) + // for an unbiased permutation, but exits early after choosing `amount` + // elements. + + </span><span class="kw">let </span>len = <span class="self">self</span>.len(); + <span class="kw">let </span>end = <span class="kw">if </span>amount >= len { <span class="number">0 </span>} <span class="kw">else </span>{ len - amount }; + + <span class="kw">for </span>i <span class="kw">in </span>(end..len).rev() { + <span class="comment">// invariant: elements with index > i have been locked in place. + </span><span class="self">self</span>.swap(i, gen_index(rng, i + <span class="number">1</span>)); + } + <span class="kw">let </span>r = <span class="self">self</span>.split_at_mut(end); + (r.<span class="number">1</span>, r.<span class="number">0</span>) + } +} + +<span class="kw">impl</span><I> IteratorRandom <span class="kw">for </span>I <span class="kw">where </span>I: Iterator + Sized {} + + +<span class="doccomment">/// An iterator over multiple slice elements. +/// +/// This struct is created by +/// [`SliceRandom::choose_multiple`](trait.SliceRandom.html#tymethod.choose_multiple). +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"alloc"</span>)))] +#[derive(Debug)] +</span><span class="kw">pub struct </span>SliceChooseIter<<span class="lifetime">'a</span>, S: <span class="question-mark">?</span>Sized + <span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>> { + slice: <span class="kw-2">&</span><span class="lifetime">'a </span>S, + _phantom: ::core::marker::PhantomData<T>, + indices: index::IndexVecIntoIter, +} + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">impl</span><<span class="lifetime">'a</span>, S: Index<usize, Output = T> + <span class="question-mark">?</span>Sized + <span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>> Iterator <span class="kw">for </span>SliceChooseIter<<span class="lifetime">'a</span>, S, T> { + <span class="kw">type </span>Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T; + + <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { + <span class="comment">// TODO: investigate using SliceIndex::get_unchecked when stable + </span><span class="self">self</span>.indices.next().map(|i| <span class="kw-2">&</span><span class="self">self</span>.slice[i <span class="kw">as </span>usize]) + } + + <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { + (<span class="self">self</span>.indices.len(), <span class="prelude-val">Some</span>(<span class="self">self</span>.indices.len())) + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">impl</span><<span class="lifetime">'a</span>, S: Index<usize, Output = T> + <span class="question-mark">?</span>Sized + <span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>> ExactSizeIterator + <span class="kw">for </span>SliceChooseIter<<span class="lifetime">'a</span>, S, T> +{ + <span class="kw">fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize { + <span class="self">self</span>.indices.len() + } +} + + +<span class="comment">// Sample a number uniformly between 0 and `ubound`. Uses 32-bit sampling where +// possible, primarily in order to produce the same output on 32-bit and 64-bit +// platforms. +</span><span class="attribute">#[inline] +</span><span class="kw">fn </span>gen_index<R: Rng + <span class="question-mark">?</span>Sized>(rng: <span class="kw-2">&mut </span>R, ubound: usize) -> usize { + <span class="kw">if </span>ubound <= (core::u32::MAX <span class="kw">as </span>usize) { + rng.gen_range(<span class="number">0</span>..ubound <span class="kw">as </span>u32) <span class="kw">as </span>usize + } <span class="kw">else </span>{ + rng.gen_range(<span class="number">0</span>..ubound) + } +} + + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span><span class="kw">crate</span>::Rng; + <span class="attribute">#[cfg(all(feature = <span class="string">"alloc"</span>, not(feature = <span class="string">"std"</span>)))] </span><span class="kw">use </span>alloc::vec::Vec; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_slice_choose() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">107</span>); + <span class="kw">let </span>chars = [ + <span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>, <span class="string">'e'</span>, <span class="string">'f'</span>, <span class="string">'g'</span>, <span class="string">'h'</span>, <span class="string">'i'</span>, <span class="string">'j'</span>, <span class="string">'k'</span>, <span class="string">'l'</span>, <span class="string">'m'</span>, <span class="string">'n'</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>chosen = [<span class="number">0i32</span>; <span class="number">14</span>]; + <span class="comment">// The below all use a binomial distribution with n=1000, p=1/14. + // binocdf(40, 1000, 1/14) ~= 2e-5; 1-binocdf(106, ..) ~= 2e-5 + </span><span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>picked = <span class="kw-2">*</span>chars.choose(<span class="kw-2">&mut </span>r).unwrap(); + chosen[(picked <span class="kw">as </span>usize) - (<span class="string">'a' </span><span class="kw">as </span>usize)] += <span class="number">1</span>; + } + <span class="kw">for </span>count <span class="kw">in </span>chosen.iter() { + <span class="macro">assert!</span>(<span class="number">40 </span>< <span class="kw-2">*</span>count && <span class="kw-2">*</span>count < <span class="number">106</span>); + } + + chosen.iter_mut().for_each(|x| <span class="kw-2">*</span>x = <span class="number">0</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw-2">*</span>chosen.choose_mut(<span class="kw-2">&mut </span>r).unwrap() += <span class="number">1</span>; + } + <span class="kw">for </span>count <span class="kw">in </span>chosen.iter() { + <span class="macro">assert!</span>(<span class="number">40 </span>< <span class="kw-2">*</span>count && <span class="kw-2">*</span>count < <span class="number">106</span>); + } + + <span class="kw">let </span><span class="kw-2">mut </span>v: [isize; <span class="number">0</span>] = []; + <span class="macro">assert_eq!</span>(v.choose(<span class="kw-2">&mut </span>r), <span class="prelude-val">None</span>); + <span class="macro">assert_eq!</span>(v.choose_mut(<span class="kw-2">&mut </span>r), <span class="prelude-val">None</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability_slice() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">413</span>); + <span class="kw">let </span>chars = [ + <span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>, <span class="string">'e'</span>, <span class="string">'f'</span>, <span class="string">'g'</span>, <span class="string">'h'</span>, <span class="string">'i'</span>, <span class="string">'j'</span>, <span class="string">'k'</span>, <span class="string">'l'</span>, <span class="string">'m'</span>, <span class="string">'n'</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>nums = [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>, <span class="number">12</span>]; + + <span class="macro">assert_eq!</span>(chars.choose(<span class="kw-2">&mut </span>r), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="string">'l'</span>)); + <span class="macro">assert_eq!</span>(nums.choose_mut(<span class="kw-2">&mut </span>r), <span class="prelude-val">Some</span>(<span class="kw-2">&mut </span><span class="number">10</span>)); + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="macro">assert_eq!</span>( + <span class="kw-2">&</span>chars + .choose_multiple(<span class="kw-2">&mut </span>r, <span class="number">8</span>) + .cloned() + .collect::<Vec<char>>(), + <span class="kw-2">&</span>[<span class="string">'d'</span>, <span class="string">'m'</span>, <span class="string">'b'</span>, <span class="string">'n'</span>, <span class="string">'c'</span>, <span class="string">'k'</span>, <span class="string">'h'</span>, <span class="string">'e'</span>] + ); + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="macro">assert_eq!</span>(chars.choose_weighted(<span class="kw-2">&mut </span>r, |<span class="kw">_</span>| <span class="number">1</span>), <span class="prelude-val">Ok</span>(<span class="kw-2">&</span><span class="string">'f'</span>)); + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="macro">assert_eq!</span>(nums.choose_weighted_mut(<span class="kw-2">&mut </span>r, |<span class="kw">_</span>| <span class="number">1</span>), <span class="prelude-val">Ok</span>(<span class="kw-2">&mut </span><span class="number">5</span>)); + + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">414</span>); + nums.shuffle(<span class="kw-2">&mut </span>r); + <span class="macro">assert_eq!</span>(nums, [<span class="number">9</span>, <span class="number">5</span>, <span class="number">3</span>, <span class="number">10</span>, <span class="number">7</span>, <span class="number">12</span>, <span class="number">8</span>, <span class="number">11</span>, <span class="number">6</span>, <span class="number">4</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">1</span>]); + nums = [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>, <span class="number">12</span>]; + <span class="kw">let </span>res = nums.partial_shuffle(<span class="kw-2">&mut </span>r, <span class="number">6</span>); + <span class="macro">assert_eq!</span>(res.<span class="number">0</span>, <span class="kw-2">&mut </span>[<span class="number">7</span>, <span class="number">4</span>, <span class="number">8</span>, <span class="number">6</span>, <span class="number">9</span>, <span class="number">3</span>]); + <span class="macro">assert_eq!</span>(res.<span class="number">1</span>, <span class="kw-2">&mut </span>[<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">12</span>, <span class="number">11</span>, <span class="number">5</span>, <span class="number">10</span>]); + } + + <span class="attribute">#[derive(Clone)] + </span><span class="kw">struct </span>UnhintedIterator<I: Iterator + Clone> { + iter: I, + } + <span class="kw">impl</span><I: Iterator + Clone> Iterator <span class="kw">for </span>UnhintedIterator<I> { + <span class="kw">type </span>Item = I::Item; + + <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { + <span class="self">self</span>.iter.next() + } + } + + <span class="attribute">#[derive(Clone)] + </span><span class="kw">struct </span>ChunkHintedIterator<I: ExactSizeIterator + Iterator + Clone> { + iter: I, + chunk_remaining: usize, + chunk_size: usize, + hint_total_size: bool, + } + <span class="kw">impl</span><I: ExactSizeIterator + Iterator + Clone> Iterator <span class="kw">for </span>ChunkHintedIterator<I> { + <span class="kw">type </span>Item = I::Item; + + <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { + <span class="kw">if </span><span class="self">self</span>.chunk_remaining == <span class="number">0 </span>{ + <span class="self">self</span>.chunk_remaining = ::core::cmp::min(<span class="self">self</span>.chunk_size, <span class="self">self</span>.iter.len()); + } + <span class="self">self</span>.chunk_remaining = <span class="self">self</span>.chunk_remaining.saturating_sub(<span class="number">1</span>); + + <span class="self">self</span>.iter.next() + } + + <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { + ( + <span class="self">self</span>.chunk_remaining, + <span class="kw">if </span><span class="self">self</span>.hint_total_size { + <span class="prelude-val">Some</span>(<span class="self">self</span>.iter.len()) + } <span class="kw">else </span>{ + <span class="prelude-val">None + </span>}, + ) + } + } + + <span class="attribute">#[derive(Clone)] + </span><span class="kw">struct </span>WindowHintedIterator<I: ExactSizeIterator + Iterator + Clone> { + iter: I, + window_size: usize, + hint_total_size: bool, + } + <span class="kw">impl</span><I: ExactSizeIterator + Iterator + Clone> Iterator <span class="kw">for </span>WindowHintedIterator<I> { + <span class="kw">type </span>Item = I::Item; + + <span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { + <span class="self">self</span>.iter.next() + } + + <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { + ( + ::core::cmp::min(<span class="self">self</span>.iter.len(), <span class="self">self</span>.window_size), + <span class="kw">if </span><span class="self">self</span>.hint_total_size { + <span class="prelude-val">Some</span>(<span class="self">self</span>.iter.len()) + } <span class="kw">else </span>{ + <span class="prelude-val">None + </span>}, + ) + } + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_iterator_choose() { + <span class="kw">let </span>r = <span class="kw-2">&mut </span><span class="kw">crate</span>::test::rng(<span class="number">109</span>); + <span class="kw">fn </span>test_iter<R: Rng + <span class="question-mark">?</span>Sized, Iter: Iterator<Item = usize> + Clone>(r: <span class="kw-2">&mut </span>R, iter: Iter) { + <span class="kw">let </span><span class="kw-2">mut </span>chosen = [<span class="number">0i32</span>; <span class="number">9</span>]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>picked = iter.clone().choose(r).unwrap(); + chosen[picked] += <span class="number">1</span>; + } + <span class="kw">for </span>count <span class="kw">in </span>chosen.iter() { + <span class="comment">// Samples should follow Binomial(1000, 1/9) + // Octave: binopdf(x, 1000, 1/9) gives the prob of *count == x + // Note: have seen 153, which is unlikely but not impossible. + </span><span class="macro">assert!</span>( + <span class="number">72 </span>< <span class="kw-2">*</span>count && <span class="kw-2">*</span>count < <span class="number">154</span>, + <span class="string">"count not close to 1000/9: {}"</span>, + count + ); + } + } + + test_iter(r, <span class="number">0</span>..<span class="number">9</span>); + test_iter(r, [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>].iter().cloned()); + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span>test_iter(r, (<span class="number">0</span>..<span class="number">9</span>).collect::<Vec<<span class="kw">_</span>>>().into_iter()); + test_iter(r, UnhintedIterator { iter: <span class="number">0</span>..<span class="number">9 </span>}); + test_iter(r, ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + chunk_size: <span class="number">4</span>, + chunk_remaining: <span class="number">4</span>, + hint_total_size: <span class="bool-val">false</span>, + }); + test_iter(r, ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + chunk_size: <span class="number">4</span>, + chunk_remaining: <span class="number">4</span>, + hint_total_size: <span class="bool-val">true</span>, + }); + test_iter(r, WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + window_size: <span class="number">2</span>, + hint_total_size: <span class="bool-val">false</span>, + }); + test_iter(r, WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + window_size: <span class="number">2</span>, + hint_total_size: <span class="bool-val">true</span>, + }); + + <span class="macro">assert_eq!</span>((<span class="number">0</span>..<span class="number">0</span>).choose(r), <span class="prelude-val">None</span>); + <span class="macro">assert_eq!</span>(UnhintedIterator { iter: <span class="number">0</span>..<span class="number">0 </span>}.choose(r), <span class="prelude-val">None</span>); + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_iterator_choose_stable() { + <span class="kw">let </span>r = <span class="kw-2">&mut </span><span class="kw">crate</span>::test::rng(<span class="number">109</span>); + <span class="kw">fn </span>test_iter<R: Rng + <span class="question-mark">?</span>Sized, Iter: Iterator<Item = usize> + Clone>(r: <span class="kw-2">&mut </span>R, iter: Iter) { + <span class="kw">let </span><span class="kw-2">mut </span>chosen = [<span class="number">0i32</span>; <span class="number">9</span>]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>picked = iter.clone().choose_stable(r).unwrap(); + chosen[picked] += <span class="number">1</span>; + } + <span class="kw">for </span>count <span class="kw">in </span>chosen.iter() { + <span class="comment">// Samples should follow Binomial(1000, 1/9) + // Octave: binopdf(x, 1000, 1/9) gives the prob of *count == x + // Note: have seen 153, which is unlikely but not impossible. + </span><span class="macro">assert!</span>( + <span class="number">72 </span>< <span class="kw-2">*</span>count && <span class="kw-2">*</span>count < <span class="number">154</span>, + <span class="string">"count not close to 1000/9: {}"</span>, + count + ); + } + } + + test_iter(r, <span class="number">0</span>..<span class="number">9</span>); + test_iter(r, [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>].iter().cloned()); + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span>test_iter(r, (<span class="number">0</span>..<span class="number">9</span>).collect::<Vec<<span class="kw">_</span>>>().into_iter()); + test_iter(r, UnhintedIterator { iter: <span class="number">0</span>..<span class="number">9 </span>}); + test_iter(r, ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + chunk_size: <span class="number">4</span>, + chunk_remaining: <span class="number">4</span>, + hint_total_size: <span class="bool-val">false</span>, + }); + test_iter(r, ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + chunk_size: <span class="number">4</span>, + chunk_remaining: <span class="number">4</span>, + hint_total_size: <span class="bool-val">true</span>, + }); + test_iter(r, WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + window_size: <span class="number">2</span>, + hint_total_size: <span class="bool-val">false</span>, + }); + test_iter(r, WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + window_size: <span class="number">2</span>, + hint_total_size: <span class="bool-val">true</span>, + }); + + <span class="macro">assert_eq!</span>((<span class="number">0</span>..<span class="number">0</span>).choose(r), <span class="prelude-val">None</span>); + <span class="macro">assert_eq!</span>(UnhintedIterator { iter: <span class="number">0</span>..<span class="number">0 </span>}.choose(r), <span class="prelude-val">None</span>); + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_iterator_choose_stable_stability() { + <span class="kw">fn </span>test_iter(iter: <span class="kw">impl </span>Iterator<Item = usize> + Clone) -> [i32; <span class="number">9</span>] { + <span class="kw">let </span>r = <span class="kw-2">&mut </span><span class="kw">crate</span>::test::rng(<span class="number">109</span>); + <span class="kw">let </span><span class="kw-2">mut </span>chosen = [<span class="number">0i32</span>; <span class="number">9</span>]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1000 </span>{ + <span class="kw">let </span>picked = iter.clone().choose_stable(r).unwrap(); + chosen[picked] += <span class="number">1</span>; + } + chosen + } + + <span class="kw">let </span>reference = test_iter(<span class="number">0</span>..<span class="number">9</span>); + <span class="macro">assert_eq!</span>(test_iter([<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>].iter().cloned()), reference); + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="macro">assert_eq!</span>(test_iter((<span class="number">0</span>..<span class="number">9</span>).collect::<Vec<<span class="kw">_</span>>>().into_iter()), reference); + <span class="macro">assert_eq!</span>(test_iter(UnhintedIterator { iter: <span class="number">0</span>..<span class="number">9 </span>}), reference); + <span class="macro">assert_eq!</span>(test_iter(ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + chunk_size: <span class="number">4</span>, + chunk_remaining: <span class="number">4</span>, + hint_total_size: <span class="bool-val">false</span>, + }), reference); + <span class="macro">assert_eq!</span>(test_iter(ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + chunk_size: <span class="number">4</span>, + chunk_remaining: <span class="number">4</span>, + hint_total_size: <span class="bool-val">true</span>, + }), reference); + <span class="macro">assert_eq!</span>(test_iter(WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + window_size: <span class="number">2</span>, + hint_total_size: <span class="bool-val">false</span>, + }), reference); + <span class="macro">assert_eq!</span>(test_iter(WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">9</span>, + window_size: <span class="number">2</span>, + hint_total_size: <span class="bool-val">true</span>, + }), reference); + } + + <span class="attribute">#[test] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_shuffle() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">108</span>); + <span class="kw">let </span>empty: <span class="kw-2">&mut </span>[isize] = <span class="kw-2">&mut </span>[]; + empty.shuffle(<span class="kw-2">&mut </span>r); + <span class="kw">let </span><span class="kw-2">mut </span>one = [<span class="number">1</span>]; + one.shuffle(<span class="kw-2">&mut </span>r); + <span class="kw">let </span>b: <span class="kw-2">&</span>[<span class="kw">_</span>] = <span class="kw-2">&</span>[<span class="number">1</span>]; + <span class="macro">assert_eq!</span>(one, b); + + <span class="kw">let </span><span class="kw-2">mut </span>two = [<span class="number">1</span>, <span class="number">2</span>]; + two.shuffle(<span class="kw-2">&mut </span>r); + <span class="macro">assert!</span>(two == [<span class="number">1</span>, <span class="number">2</span>] || two == [<span class="number">2</span>, <span class="number">1</span>]); + + <span class="kw">fn </span>move_last(slice: <span class="kw-2">&mut </span>[usize], pos: usize) { + <span class="comment">// use slice[pos..].rotate_left(1); once we can use that + </span><span class="kw">let </span>last_val = slice[pos]; + <span class="kw">for </span>i <span class="kw">in </span>pos..slice.len() - <span class="number">1 </span>{ + slice[i] = slice[i + <span class="number">1</span>]; + } + <span class="kw-2">*</span>slice.last_mut().unwrap() = last_val; + } + <span class="kw">let </span><span class="kw-2">mut </span>counts = [<span class="number">0i32</span>; <span class="number">24</span>]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">10000 </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>arr: [usize; <span class="number">4</span>] = [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]; + arr.shuffle(<span class="kw-2">&mut </span>r); + <span class="kw">let </span><span class="kw-2">mut </span>permutation = <span class="number">0usize</span>; + <span class="kw">let </span><span class="kw-2">mut </span>pos_value = counts.len(); + <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">4 </span>{ + pos_value /= <span class="number">4 </span>- i; + <span class="kw">let </span>pos = arr.iter().position(|<span class="kw-2">&</span>x| x == i).unwrap(); + <span class="macro">assert!</span>(pos < (<span class="number">4 </span>- i)); + permutation += pos * pos_value; + move_last(<span class="kw-2">&mut </span>arr, pos); + <span class="macro">assert_eq!</span>(arr[<span class="number">3</span>], i); + } + <span class="kw">for </span>(i, <span class="kw-2">&</span>a) <span class="kw">in </span>arr.iter().enumerate() { + <span class="macro">assert_eq!</span>(a, i); + } + counts[permutation] += <span class="number">1</span>; + } + <span class="kw">for </span>count <span class="kw">in </span>counts.iter() { + <span class="comment">// Binomial(10000, 1/24) with average 416.667 + // Octave: binocdf(n, 10000, 1/24) + // 99.9% chance samples lie within this range: + </span><span class="macro">assert!</span>(<span class="number">352 </span><= <span class="kw-2">*</span>count && <span class="kw-2">*</span>count <= <span class="number">483</span>, <span class="string">"count: {}"</span>, count); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_partial_shuffle() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">118</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>empty: [u32; <span class="number">0</span>] = []; + <span class="kw">let </span>res = empty.partial_shuffle(<span class="kw-2">&mut </span>r, <span class="number">10</span>); + <span class="macro">assert_eq!</span>((res.<span class="number">0</span>.len(), res.<span class="number">1</span>.len()), (<span class="number">0</span>, <span class="number">0</span>)); + + <span class="kw">let </span><span class="kw-2">mut </span>v = [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>]; + <span class="kw">let </span>res = v.partial_shuffle(<span class="kw-2">&mut </span>r, <span class="number">2</span>); + <span class="macro">assert_eq!</span>((res.<span class="number">0</span>.len(), res.<span class="number">1</span>.len()), (<span class="number">2</span>, <span class="number">3</span>)); + <span class="macro">assert!</span>(res.<span class="number">0</span>[<span class="number">0</span>] != res.<span class="number">0</span>[<span class="number">1</span>]); + <span class="comment">// First elements are only modified if selected, so at least one isn't modified: + </span><span class="macro">assert!</span>(res.<span class="number">1</span>[<span class="number">0</span>] == <span class="number">1 </span>|| res.<span class="number">1</span>[<span class="number">1</span>] == <span class="number">2 </span>|| res.<span class="number">1</span>[<span class="number">2</span>] == <span class="number">3</span>); + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"alloc"</span>)] + </span><span class="kw">fn </span>test_sample_iter() { + <span class="kw">let </span>min_val = <span class="number">1</span>; + <span class="kw">let </span>max_val = <span class="number">100</span>; + + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">401</span>); + <span class="kw">let </span>vals = (min_val..max_val).collect::<Vec<i32>>(); + <span class="kw">let </span>small_sample = vals.iter().choose_multiple(<span class="kw-2">&mut </span>r, <span class="number">5</span>); + <span class="kw">let </span>large_sample = vals.iter().choose_multiple(<span class="kw-2">&mut </span>r, vals.len() + <span class="number">5</span>); + + <span class="macro">assert_eq!</span>(small_sample.len(), <span class="number">5</span>); + <span class="macro">assert_eq!</span>(large_sample.len(), vals.len()); + <span class="comment">// no randomization happens when amount >= len + </span><span class="macro">assert_eq!</span>(large_sample, vals.iter().collect::<Vec<<span class="kw">_</span>>>()); + + <span class="macro">assert!</span>(small_sample + .iter() + .all(|e| { <span class="kw-2">**</span>e >= min_val && <span class="kw-2">**</span>e <= max_val })); + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"alloc"</span>)] + #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow + </span><span class="kw">fn </span>test_weighted() { + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="kw">crate</span>::test::rng(<span class="number">406</span>); + <span class="kw">const </span>N_REPS: u32 = <span class="number">3000</span>; + <span class="kw">let </span>weights = [<span class="number">1u32</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>]; + <span class="kw">let </span>total_weight = weights.iter().sum::<u32>() <span class="kw">as </span>f32; + + <span class="kw">let </span>verify = |result: [i32; <span class="number">14</span>]| { + <span class="kw">for </span>(i, count) <span class="kw">in </span>result.iter().enumerate() { + <span class="kw">let </span>exp = (weights[i] * N_REPS) <span class="kw">as </span>f32 / total_weight; + <span class="kw">let </span><span class="kw-2">mut </span>err = (<span class="kw-2">*</span>count <span class="kw">as </span>f32 - exp).abs(); + <span class="kw">if </span>err != <span class="number">0.0 </span>{ + err /= exp; + } + <span class="macro">assert!</span>(err <= <span class="number">0.25</span>); + } + }; + + <span class="comment">// choose_weighted + </span><span class="kw">fn </span>get_weight<T>(item: <span class="kw-2">&</span>(u32, T)) -> u32 { + item.<span class="number">0 + </span>} + <span class="kw">let </span><span class="kw-2">mut </span>chosen = [<span class="number">0i32</span>; <span class="number">14</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>items = [(<span class="number">0u32</span>, <span class="number">0usize</span>); <span class="number">14</span>]; <span class="comment">// (weight, index) + </span><span class="kw">for </span>(i, item) <span class="kw">in </span>items.iter_mut().enumerate() { + <span class="kw-2">*</span>item = (weights[i], i); + } + <span class="kw">for _ in </span><span class="number">0</span>..N_REPS { + <span class="kw">let </span>item = items.choose_weighted(<span class="kw-2">&mut </span>r, get_weight).unwrap(); + chosen[item.<span class="number">1</span>] += <span class="number">1</span>; + } + verify(chosen); + + <span class="comment">// choose_weighted_mut + </span><span class="kw">let </span><span class="kw-2">mut </span>items = [(<span class="number">0u32</span>, <span class="number">0i32</span>); <span class="number">14</span>]; <span class="comment">// (weight, count) + </span><span class="kw">for </span>(i, item) <span class="kw">in </span>items.iter_mut().enumerate() { + <span class="kw-2">*</span>item = (weights[i], <span class="number">0</span>); + } + <span class="kw">for _ in </span><span class="number">0</span>..N_REPS { + items.choose_weighted_mut(<span class="kw-2">&mut </span>r, get_weight).unwrap().<span class="number">1 </span>+= <span class="number">1</span>; + } + <span class="kw">for </span>(ch, item) <span class="kw">in </span>chosen.iter_mut().zip(items.iter()) { + <span class="kw-2">*</span>ch = item.<span class="number">1</span>; + } + verify(chosen); + + <span class="comment">// Check error cases + </span><span class="kw">let </span>empty_slice = <span class="kw-2">&mut </span>[<span class="number">10</span>][<span class="number">0</span>..<span class="number">0</span>]; + <span class="macro">assert_eq!</span>( + empty_slice.choose_weighted(<span class="kw-2">&mut </span>r, |<span class="kw">_</span>| <span class="number">1</span>), + <span class="prelude-val">Err</span>(WeightedError::NoItem) + ); + <span class="macro">assert_eq!</span>( + empty_slice.choose_weighted_mut(<span class="kw-2">&mut </span>r, |<span class="kw">_</span>| <span class="number">1</span>), + <span class="prelude-val">Err</span>(WeightedError::NoItem) + ); + <span class="macro">assert_eq!</span>( + [<span class="string">'x'</span>].choose_weighted_mut(<span class="kw-2">&mut </span>r, |<span class="kw">_</span>| <span class="number">0</span>), + <span class="prelude-val">Err</span>(WeightedError::AllWeightsZero) + ); + <span class="macro">assert_eq!</span>( + [<span class="number">0</span>, -<span class="number">1</span>].choose_weighted_mut(<span class="kw-2">&mut </span>r, |x| <span class="kw-2">*</span>x), + <span class="prelude-val">Err</span>(WeightedError::InvalidWeight) + ); + <span class="macro">assert_eq!</span>( + [-<span class="number">1</span>, <span class="number">0</span>].choose_weighted_mut(<span class="kw-2">&mut </span>r, |x| <span class="kw-2">*</span>x), + <span class="prelude-val">Err</span>(WeightedError::InvalidWeight) + ); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability_choose() { + <span class="kw">fn </span>choose<I: Iterator<Item = u32>>(iter: I) -> <span class="prelude-ty">Option</span><u32> { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">411</span>); + iter.choose(<span class="kw-2">&mut </span>rng) + } + + <span class="macro">assert_eq!</span>(choose([].iter().cloned()), <span class="prelude-val">None</span>); + <span class="macro">assert_eq!</span>(choose(<span class="number">0</span>..<span class="number">100</span>), <span class="prelude-val">Some</span>(<span class="number">33</span>)); + <span class="macro">assert_eq!</span>(choose(UnhintedIterator { iter: <span class="number">0</span>..<span class="number">100 </span>}), <span class="prelude-val">Some</span>(<span class="number">40</span>)); + <span class="macro">assert_eq!</span>( + choose(ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + chunk_size: <span class="number">32</span>, + chunk_remaining: <span class="number">32</span>, + hint_total_size: <span class="bool-val">false</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">39</span>) + ); + <span class="macro">assert_eq!</span>( + choose(ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + chunk_size: <span class="number">32</span>, + chunk_remaining: <span class="number">32</span>, + hint_total_size: <span class="bool-val">true</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">39</span>) + ); + <span class="macro">assert_eq!</span>( + choose(WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + window_size: <span class="number">32</span>, + hint_total_size: <span class="bool-val">false</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">90</span>) + ); + <span class="macro">assert_eq!</span>( + choose(WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + window_size: <span class="number">32</span>, + hint_total_size: <span class="bool-val">true</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">90</span>) + ); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability_choose_stable() { + <span class="kw">fn </span>choose<I: Iterator<Item = u32>>(iter: I) -> <span class="prelude-ty">Option</span><u32> { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">411</span>); + iter.choose_stable(<span class="kw-2">&mut </span>rng) + } + + <span class="macro">assert_eq!</span>(choose([].iter().cloned()), <span class="prelude-val">None</span>); + <span class="macro">assert_eq!</span>(choose(<span class="number">0</span>..<span class="number">100</span>), <span class="prelude-val">Some</span>(<span class="number">40</span>)); + <span class="macro">assert_eq!</span>(choose(UnhintedIterator { iter: <span class="number">0</span>..<span class="number">100 </span>}), <span class="prelude-val">Some</span>(<span class="number">40</span>)); + <span class="macro">assert_eq!</span>( + choose(ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + chunk_size: <span class="number">32</span>, + chunk_remaining: <span class="number">32</span>, + hint_total_size: <span class="bool-val">false</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">40</span>) + ); + <span class="macro">assert_eq!</span>( + choose(ChunkHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + chunk_size: <span class="number">32</span>, + chunk_remaining: <span class="number">32</span>, + hint_total_size: <span class="bool-val">true</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">40</span>) + ); + <span class="macro">assert_eq!</span>( + choose(WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + window_size: <span class="number">32</span>, + hint_total_size: <span class="bool-val">false</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">40</span>) + ); + <span class="macro">assert_eq!</span>( + choose(WindowHintedIterator { + iter: <span class="number">0</span>..<span class="number">100</span>, + window_size: <span class="number">32</span>, + hint_total_size: <span class="bool-val">true</span>, + }), + <span class="prelude-val">Some</span>(<span class="number">40</span>) + ); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>value_stability_choose_multiple() { + <span class="kw">fn </span>do_test<I: Iterator<Item = u32>>(iter: I, v: <span class="kw-2">&</span>[u32]) { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">412</span>); + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u32</span>; <span class="number">8</span>]; + <span class="macro">assert_eq!</span>(iter.choose_multiple_fill(<span class="kw-2">&mut </span>rng, <span class="kw-2">&mut </span>buf), v.len()); + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>buf[<span class="number">0</span>..v.len()], v); + } + + do_test(<span class="number">0</span>..<span class="number">4</span>, <span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]); + do_test(<span class="number">0</span>..<span class="number">8</span>, <span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>]); + do_test(<span class="number">0</span>..<span class="number">100</span>, <span class="kw-2">&</span>[<span class="number">58</span>, <span class="number">78</span>, <span class="number">80</span>, <span class="number">92</span>, <span class="number">43</span>, <span class="number">8</span>, <span class="number">96</span>, <span class="number">7</span>]); + + <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] + </span>{ + <span class="kw">fn </span>do_test<I: Iterator<Item = u32>>(iter: I, v: <span class="kw-2">&</span>[u32]) { + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">412</span>); + <span class="macro">assert_eq!</span>(iter.choose_multiple(<span class="kw-2">&mut </span>rng, v.len()), v); + } + + do_test(<span class="number">0</span>..<span class="number">4</span>, <span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]); + do_test(<span class="number">0</span>..<span class="number">8</span>, <span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>]); + do_test(<span class="number">0</span>..<span class="number">100</span>, <span class="kw-2">&</span>[<span class="number">58</span>, <span class="number">78</span>, <span class="number">80</span>, <span class="number">92</span>, <span class="number">43</span>, <span class="number">8</span>, <span class="number">96</span>, <span class="number">7</span>]); + } + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"std"</span>)] + </span><span class="kw">fn </span>test_multiple_weighted_edge_cases() { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">413</span>); + + <span class="comment">// Case 1: One of the weights is 0 + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, <span class="number">2</span>), (<span class="string">'b'</span>, <span class="number">1</span>), (<span class="string">'c'</span>, <span class="number">0</span>)]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>result = choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap() + .collect::<Vec<<span class="kw">_</span>>>(); + + <span class="macro">assert_eq!</span>(result.len(), <span class="number">2</span>); + <span class="macro">assert!</span>(!result.iter().any(|val| val.<span class="number">0 </span>== <span class="string">'c'</span>)); + } + + <span class="comment">// Case 2: All of the weights are 0 + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, <span class="number">0</span>), (<span class="string">'b'</span>, <span class="number">0</span>), (<span class="string">'c'</span>, <span class="number">0</span>)]; + + <span class="macro">assert_eq!</span>(choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap().count(), <span class="number">2</span>); + + <span class="comment">// Case 3: Negative weights + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, -<span class="number">1</span>), (<span class="string">'b'</span>, <span class="number">1</span>), (<span class="string">'c'</span>, <span class="number">1</span>)]; + <span class="macro">assert_eq!</span>( + choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap_err(), + WeightedError::InvalidWeight + ); + + <span class="comment">// Case 4: Empty list + </span><span class="kw">let </span>choices = []; + <span class="macro">assert_eq!</span>(choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">0</span>, |<span class="kw">_</span>: <span class="kw-2">&</span>()| <span class="number">0</span>) + .unwrap().count(), <span class="number">0</span>); + + <span class="comment">// Case 5: NaN weights + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, core::f64::NAN), (<span class="string">'b'</span>, <span class="number">1.0</span>), (<span class="string">'c'</span>, <span class="number">1.0</span>)]; + <span class="macro">assert_eq!</span>( + choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap_err(), + WeightedError::InvalidWeight + ); + + <span class="comment">// Case 6: +infinity weights + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, core::f64::INFINITY), (<span class="string">'b'</span>, <span class="number">1.0</span>), (<span class="string">'c'</span>, <span class="number">1.0</span>)]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">100 </span>{ + <span class="kw">let </span>result = choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap() + .collect::<Vec<<span class="kw">_</span>>>(); + <span class="macro">assert_eq!</span>(result.len(), <span class="number">2</span>); + <span class="macro">assert!</span>(result.iter().any(|val| val.<span class="number">0 </span>== <span class="string">'a'</span>)); + } + + <span class="comment">// Case 7: -infinity weights + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, core::f64::NEG_INFINITY), (<span class="string">'b'</span>, <span class="number">1.0</span>), (<span class="string">'c'</span>, <span class="number">1.0</span>)]; + <span class="macro">assert_eq!</span>( + choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap_err(), + WeightedError::InvalidWeight + ); + + <span class="comment">// Case 8: -0 weights + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, -<span class="number">0.0</span>), (<span class="string">'b'</span>, <span class="number">1.0</span>), (<span class="string">'c'</span>, <span class="number">1.0</span>)]; + <span class="macro">assert!</span>(choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .is_ok()); + } + + <span class="attribute">#[test] + #[cfg(feature = <span class="string">"std"</span>)] + </span><span class="kw">fn </span>test_multiple_weighted_distributions() { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="comment">// The theoretical probabilities of the different outcomes are: + // AB: 0.5 * 0.5 = 0.250 + // AC: 0.5 * 0.5 = 0.250 + // BA: 0.25 * 0.67 = 0.167 + // BC: 0.25 * 0.33 = 0.082 + // CA: 0.25 * 0.67 = 0.167 + // CB: 0.25 * 0.33 = 0.082 + </span><span class="kw">let </span>choices = [(<span class="string">'a'</span>, <span class="number">2</span>), (<span class="string">'b'</span>, <span class="number">1</span>), (<span class="string">'c'</span>, <span class="number">1</span>)]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = <span class="kw">crate</span>::test::rng(<span class="number">414</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0i32</span>; <span class="number">3</span>]; + <span class="kw">let </span>expected_results = [<span class="number">4167</span>, <span class="number">4167</span>, <span class="number">1666</span>]; + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">10000 </span>{ + <span class="kw">let </span>result = choices + .choose_multiple_weighted(<span class="kw-2">&mut </span>rng, <span class="number">2</span>, |item| item.<span class="number">1</span>) + .unwrap() + .collect::<Vec<<span class="kw">_</span>>>(); + + <span class="macro">assert_eq!</span>(result.len(), <span class="number">2</span>); + + <span class="kw">match </span>(result[<span class="number">0</span>].<span class="number">0</span>, result[<span class="number">1</span>].<span class="number">0</span>) { + (<span class="string">'a'</span>, <span class="string">'b'</span>) | (<span class="string">'b'</span>, <span class="string">'a'</span>) => { + results[<span class="number">0</span>] += <span class="number">1</span>; + } + (<span class="string">'a'</span>, <span class="string">'c'</span>) | (<span class="string">'c'</span>, <span class="string">'a'</span>) => { + results[<span class="number">1</span>] += <span class="number">1</span>; + } + (<span class="string">'b'</span>, <span class="string">'c'</span>) | (<span class="string">'c'</span>, <span class="string">'b'</span>) => { + results[<span class="number">2</span>] += <span class="number">1</span>; + } + (<span class="kw">_</span>, <span class="kw">_</span>) => <span class="macro">panic!</span>(<span class="string">"unexpected result"</span>), + } + } + + <span class="kw">let </span><span class="kw-2">mut </span>diffs = results + .iter() + .zip(<span class="kw-2">&</span>expected_results) + .map(|(a, b)| (a - b).abs()); + <span class="macro">assert!</span>(!diffs.any(|deviation| deviation > <span class="number">100</span>)); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/chacha.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/chacha.rs.html new file mode 100644 index 0000000..8547efa --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/chacha.rs.html @@ -0,0 +1,1267 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_chacha-0.3.1/src/chacha.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>chacha.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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id="560">560</span> +<span id="561">561</span> +<span id="562">562</span> +<span id="563">563</span> +<span id="564">564</span> +<span id="565">565</span> +<span id="566">566</span> +<span id="567">567</span> +<span id="568">568</span> +<span id="569">569</span> +<span id="570">570</span> +<span id="571">571</span> +<span id="572">572</span> +<span id="573">573</span> +<span id="574">574</span> +<span id="575">575</span> +<span id="576">576</span> +<span id="577">577</span> +<span id="578">578</span> +<span id="579">579</span> +<span id="580">580</span> +<span id="581">581</span> +<span id="582">582</span> +<span id="583">583</span> +<span id="584">584</span> +<span id="585">585</span> +<span id="586">586</span> +<span id="587">587</span> +<span id="588">588</span> +<span id="589">589</span> +<span id="590">590</span> +<span id="591">591</span> +<span id="592">592</span> +<span id="593">593</span> +<span id="594">594</span> +<span id="595">595</span> +<span id="596">596</span> +<span id="597">597</span> +<span id="598">598</span> +<span id="599">599</span> +<span id="600">600</span> +<span id="601">601</span> +<span id="602">602</span> +<span id="603">603</span> +<span id="604">604</span> +<span id="605">605</span> +<span id="606">606</span> +<span id="607">607</span> +<span id="608">608</span> +<span id="609">609</span> +<span id="610">610</span> +<span id="611">611</span> +<span id="612">612</span> +<span id="613">613</span> +<span id="614">614</span> +<span id="615">615</span> +<span id="616">616</span> +<span id="617">617</span> +<span id="618">618</span> +<span id="619">619</span> +<span id="620">620</span> +<span id="621">621</span> +<span id="622">622</span> +<span id="623">623</span> +<span id="624">624</span> +<span id="625">625</span> +<span id="626">626</span> +<span id="627">627</span> +<span id="628">628</span> +<span id="629">629</span> +<span id="630">630</span> +<span id="631">631</span> +<span id="632">632</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The ChaCha random number generator. + +</span><span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] </span><span class="kw">use </span>core; +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] </span><span class="kw">use </span>std <span class="kw">as </span>core; + +<span class="kw">use </span><span class="self">self</span>::core::fmt; +<span class="kw">use </span><span class="kw">crate</span>::guts::ChaCha; +<span class="kw">use </span>rand_core::block::{BlockRng, BlockRngCore}; +<span class="kw">use </span>rand_core::{CryptoRng, Error, RngCore, SeedableRng}; + +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] </span><span class="kw">use </span>serde::{Serialize, Deserialize, Serializer, Deserializer}; + +<span class="comment">// NB. this must remain consistent with some currently hard-coded numbers in this module +</span><span class="kw">const </span>BUF_BLOCKS: u8 = <span class="number">4</span>; +<span class="comment">// number of 32-bit words per ChaCha block (fixed by algorithm definition) +</span><span class="kw">const </span>BLOCK_WORDS: u8 = <span class="number">16</span>; + +<span class="attribute">#[repr(transparent)] +</span><span class="kw">pub struct </span>Array64<T>([T; <span class="number">64</span>]); +<span class="kw">impl</span><T> Default <span class="kw">for </span>Array64<T> +<span class="kw">where </span>T: Default +{ + <span class="attribute">#[rustfmt::skip] + </span><span class="kw">fn </span>default() -> <span class="self">Self </span>{ + <span class="self">Self</span>([ + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), T::default(), + ]) + } +} +<span class="kw">impl</span><T> AsRef<[T]> <span class="kw">for </span>Array64<T> { + <span class="kw">fn </span>as_ref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[T] { + <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0 + </span>} +} +<span class="kw">impl</span><T> AsMut<[T]> <span class="kw">for </span>Array64<T> { + <span class="kw">fn </span>as_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>[T] { + <span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0 + </span>} +} +<span class="kw">impl</span><T> Clone <span class="kw">for </span>Array64<T> +<span class="kw">where </span>T: Copy + Default +{ + <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>new = <span class="self">Self</span>::default(); + new.<span class="number">0</span>.copy_from_slice(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>); + new + } +} +<span class="kw">impl</span><T> fmt::Debug <span class="kw">for </span>Array64<T> { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + <span class="macro">write!</span>(f, <span class="string">"Array64 {{}}"</span>) + } +} + +<span class="macro">macro_rules! </span>chacha_impl { + (<span class="macro-nonterminal">$ChaChaXCore</span>:ident, <span class="macro-nonterminal">$ChaChaXRng</span>:ident, <span class="macro-nonterminal">$rounds</span>:expr, <span class="macro-nonterminal">$doc</span>:expr, <span class="macro-nonterminal">$abst</span>:ident) => { + <span class="attribute">#[doc=<span class="macro-nonterminal">$doc</span>] + #[derive(Clone, PartialEq, Eq)] + </span><span class="kw">pub struct </span><span class="macro-nonterminal">$ChaChaXCore </span>{ + state: ChaCha, + } + + <span class="comment">// Custom Debug implementation that does not expose the internal state + </span><span class="kw">impl </span>fmt::Debug <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXCore </span>{ + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + <span class="macro">write!</span>(f, <span class="string">"ChaChaXCore {{}}"</span>) + } + } + + <span class="kw">impl </span>BlockRngCore <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXCore </span>{ + <span class="kw">type </span>Item = u32; + <span class="kw">type </span>Results = Array64<u32>; + <span class="attribute">#[inline] + </span><span class="kw">fn </span>generate(<span class="kw-2">&mut </span><span class="self">self</span>, r: <span class="kw-2">&mut </span><span class="self">Self</span>::Results) { + <span class="comment">// Fill slice of words by writing to equivalent slice of bytes, then fixing endianness. + </span><span class="self">self</span>.state.refill4(<span class="macro-nonterminal">$rounds</span>, <span class="kw">unsafe </span>{ + <span class="kw-2">&mut *</span>(<span class="kw-2">&mut *</span>r <span class="kw">as </span><span class="kw-2">*mut </span>Array64<u32> <span class="kw">as </span><span class="kw-2">*mut </span>[u8; <span class="number">256</span>]) + }); + <span class="kw">for </span>x <span class="kw">in </span>r.as_mut() { + <span class="kw-2">*</span>x = x.to_le(); + } + } + } + + <span class="kw">impl </span>SeedableRng <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXCore </span>{ + <span class="kw">type </span>Seed = [u8; <span class="number">32</span>]; + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + <span class="macro-nonterminal">$ChaChaXCore </span>{ state: ChaCha::new(<span class="kw-2">&</span>seed, <span class="kw-2">&</span>[<span class="number">0u8</span>; <span class="number">8</span>]) } + } + } + + <span class="kw">impl </span>CryptoRng <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXCore </span>{} + + <span class="doccomment">/// A cryptographically secure random number generator that uses the ChaCha algorithm. + /// + /// ChaCha is a stream cipher designed by Daniel J. Bernstein[^1], that we use as an RNG. It is + /// an improved variant of the Salsa20 cipher family, which was selected as one of the "stream + /// ciphers suitable for widespread adoption" by eSTREAM[^2]. + /// + /// ChaCha uses add-rotate-xor (ARX) operations as its basis. These are safe against timing + /// attacks, although that is mostly a concern for ciphers and not for RNGs. We provide a SIMD + /// implementation to support high throughput on a variety of common hardware platforms. + /// + /// With the ChaCha algorithm it is possible to choose the number of rounds the core algorithm + /// should run. The number of rounds is a tradeoff between performance and security, where 8 + /// rounds is the minimum potentially secure configuration, and 20 rounds is widely used as a + /// conservative choice. + /// + /// We use a 64-bit counter and 64-bit stream identifier as in Bernstein's implementation[^1] + /// except that we use a stream identifier in place of a nonce. A 64-bit counter over 64-byte + /// (16 word) blocks allows 1 ZiB of output before cycling, and the stream identifier allows + /// 2<sup>64</sup> unique streams of output per seed. Both counter and stream are initialized + /// to zero but may be set via the `set_word_pos` and `set_stream` methods. + /// + /// The word layout is: + /// + /// ```text + /// constant constant constant constant + /// seed seed seed seed + /// seed seed seed seed + /// counter counter stream_id stream_id + /// ``` + /// + /// This implementation uses an output buffer of sixteen `u32` words, and uses + /// [`BlockRng`] to implement the [`RngCore`] methods. + /// + /// [^1]: D. J. Bernstein, [*ChaCha, a variant of Salsa20*]( + /// https://cr.yp.to/chacha.html) + /// + /// [^2]: [eSTREAM: the ECRYPT Stream Cipher Project]( + /// http://www.ecrypt.eu.org/stream/) + </span><span class="attribute">#[derive(Clone, Debug)] + </span><span class="kw">pub struct </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + rng: BlockRng<<span class="macro-nonterminal">$ChaChaXCore</span>>, + } + + <span class="kw">impl </span>SeedableRng <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="kw">type </span>Seed = [u8; <span class="number">32</span>]; + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + <span class="kw">let </span>core = <span class="macro-nonterminal">$ChaChaXCore::from_seed</span>(seed); + <span class="self">Self </span>{ + rng: BlockRng::new(core), + } + } + } + + <span class="kw">impl </span>RngCore <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="self">self</span>.rng.next_u32() + } + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="self">self</span>.rng.next_u64() + } + <span class="attribute">#[inline] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, bytes: <span class="kw-2">&mut </span>[u8]) { + <span class="self">self</span>.rng.fill_bytes(bytes) + } + <span class="attribute">#[inline] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, bytes: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.rng.try_fill_bytes(bytes) + } + } + + <span class="kw">impl </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="comment">// The buffer is a 4-block window, i.e. it is always at a block-aligned position in the + // stream but if the stream has been seeked it may not be self-aligned. + + </span><span class="doccomment">/// Get the offset from the start of the stream, in 32-bit words. + /// + /// Since the generated blocks are 16 words (2<sup>4</sup>) long and the + /// counter is 64-bits, the offset is a 68-bit number. Sub-word offsets are + /// not supported, hence the result can simply be multiplied by 4 to get a + /// byte-offset. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>get_word_pos(<span class="kw-2">&</span><span class="self">self</span>) -> u128 { + <span class="kw">let </span>buf_start_block = { + <span class="kw">let </span>buf_end_block = <span class="self">self</span>.rng.core.state.get_block_pos(); + u64::wrapping_sub(buf_end_block, BUF_BLOCKS.into()) + }; + <span class="kw">let </span>(buf_offset_blocks, block_offset_words) = { + <span class="kw">let </span>buf_offset_words = <span class="self">self</span>.rng.index() <span class="kw">as </span>u64; + <span class="kw">let </span>blocks_part = buf_offset_words / u64::from(BLOCK_WORDS); + <span class="kw">let </span>words_part = buf_offset_words % u64::from(BLOCK_WORDS); + (blocks_part, words_part) + }; + <span class="kw">let </span>pos_block = u64::wrapping_add(buf_start_block, buf_offset_blocks); + <span class="kw">let </span>pos_block_words = u128::from(pos_block) * u128::from(BLOCK_WORDS); + pos_block_words + u128::from(block_offset_words) + } + + <span class="doccomment">/// Set the offset from the start of the stream, in 32-bit words. + /// + /// As with `get_word_pos`, we use a 68-bit number. Since the generator + /// simply cycles at the end of its period (1 ZiB), we ignore the upper + /// 60 bits. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>set_word_pos(<span class="kw-2">&mut </span><span class="self">self</span>, word_offset: u128) { + <span class="kw">let </span>block = (word_offset / u128::from(BLOCK_WORDS)) <span class="kw">as </span>u64; + <span class="self">self</span>.rng + .core + .state + .set_block_pos(block); + <span class="self">self</span>.rng.generate_and_set((word_offset % u128::from(BLOCK_WORDS)) <span class="kw">as </span>usize); + } + + <span class="doccomment">/// Set the stream number. + /// + /// This is initialized to zero; 2<sup>64</sup> unique streams of output + /// are available per seed/key. + /// + /// Note that in order to reproduce ChaCha output with a specific 64-bit + /// nonce, one can convert that nonce to a `u64` in little-endian fashion + /// and pass to this function. In theory a 96-bit nonce can be used by + /// passing the last 64-bits to this function and using the first 32-bits as + /// the most significant half of the 64-bit counter (which may be set + /// indirectly via `set_word_pos`), but this is not directly supported. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>set_stream(<span class="kw-2">&mut </span><span class="self">self</span>, stream: u64) { + <span class="self">self</span>.rng + .core + .state + .set_nonce(stream); + <span class="kw">if </span><span class="self">self</span>.rng.index() != <span class="number">64 </span>{ + <span class="kw">let </span>wp = <span class="self">self</span>.get_word_pos(); + <span class="self">self</span>.set_word_pos(wp); + } + } + + <span class="doccomment">/// Get the stream number. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>get_stream(<span class="kw-2">&</span><span class="self">self</span>) -> u64 { + <span class="self">self</span>.rng + .core + .state + .get_nonce() + } + + <span class="doccomment">/// Get the seed. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>get_seed(<span class="kw-2">&</span><span class="self">self</span>) -> [u8; <span class="number">32</span>] { + <span class="self">self</span>.rng + .core + .state + .get_seed() + } + } + + <span class="kw">impl </span>CryptoRng <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{} + + <span class="kw">impl </span>From<<span class="macro-nonterminal">$ChaChaXCore</span>> <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="kw">fn </span>from(core: <span class="macro-nonterminal">$ChaChaXCore</span>) -> <span class="self">Self </span>{ + <span class="macro-nonterminal">$ChaChaXRng </span>{ + rng: BlockRng::new(core), + } + } + } + + <span class="kw">impl </span>PartialEq<<span class="macro-nonterminal">$ChaChaXRng</span>> <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, rhs: <span class="kw-2">&</span><span class="macro-nonterminal">$ChaChaXRng</span>) -> bool { + <span class="kw">let </span>a: <span class="macro-nonterminal">$abst</span>::<span class="macro-nonterminal">$ChaChaXRng </span>= <span class="self">self</span>.into(); + <span class="kw">let </span>b: <span class="macro-nonterminal">$abst</span>::<span class="macro-nonterminal">$ChaChaXRng </span>= rhs.into(); + a == b + } + } + <span class="kw">impl </span>Eq <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{} + + <span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] + </span><span class="kw">impl </span>Serialize <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, s: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> + <span class="kw">where </span>S: Serializer { + <span class="macro-nonterminal">$abst</span>::<span class="macro-nonterminal">$ChaChaXRng::from</span>(<span class="self">self</span>).serialize(s) + } + } + <span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] + </span><span class="kw">impl</span><<span class="lifetime">'de</span>> Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="kw">fn </span>deserialize<D>(d: D) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, D::Error> <span class="kw">where </span>D: Deserializer<<span class="lifetime">'de</span>> { + <span class="macro-nonterminal">$abst</span>::<span class="macro-nonterminal">$ChaChaXRng::deserialize</span>(d).map(|x| <span class="self">Self</span>::from(<span class="kw-2">&</span>x)) + } + } + + <span class="kw">mod </span><span class="macro-nonterminal">$abst </span>{ + <span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] </span><span class="kw">use </span>serde::{Serialize, Deserialize}; + + <span class="comment">// The abstract state of a ChaCha stream, independent of implementation choices. The + // comparison and serialization of this object is considered a semver-covered part of + // the API. + </span><span class="attribute">#[derive(Debug, PartialEq, Eq)] + #[cfg_attr( + feature = <span class="string">"serde1"</span>, + derive(Serialize, Deserialize), + )] + </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + seed: [u8; <span class="number">32</span>], + stream: u64, + word_pos: u128, + } + + <span class="kw">impl </span>From<<span class="kw-2">&</span><span class="kw">super</span>::<span class="macro-nonterminal">$ChaChaXRng</span>> <span class="kw">for </span><span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="comment">// Forget all information about the input except what is necessary to determine the + // outputs of any sequence of pub API calls. + </span><span class="kw">fn </span>from(r: <span class="kw-2">&</span><span class="kw">super</span>::<span class="macro-nonterminal">$ChaChaXRng</span>) -> <span class="self">Self </span>{ + <span class="self">Self </span>{ + seed: r.get_seed(), + stream: r.get_stream(), + word_pos: r.get_word_pos(), + } + } + } + + <span class="kw">impl </span>From<<span class="kw-2">&</span><span class="macro-nonterminal">$ChaChaXRng</span>> <span class="kw">for super</span>::<span class="macro-nonterminal">$ChaChaXRng </span>{ + <span class="comment">// Construct one of the possible concrete RNGs realizing an abstract state. + </span><span class="kw">fn </span>from(a: <span class="kw-2">&</span><span class="macro-nonterminal">$ChaChaXRng</span>) -> <span class="self">Self </span>{ + <span class="kw">use </span>rand_core::SeedableRng; + <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="self">Self</span>::from_seed(a.seed); + r.set_stream(a.stream); + r.set_word_pos(a.word_pos); + r + } + } + } + } +} + +<span class="macro">chacha_impl!</span>(ChaCha20Core, ChaCha20Rng, <span class="number">10</span>, <span class="string">"ChaCha with 20 rounds"</span>, abstract20); +<span class="macro">chacha_impl!</span>(ChaCha12Core, ChaCha12Rng, <span class="number">6</span>, <span class="string">"ChaCha with 12 rounds"</span>, abstract12); +<span class="macro">chacha_impl!</span>(ChaCha8Core, ChaCha8Rng, <span class="number">4</span>, <span class="string">"ChaCha with 8 rounds"</span>, abstract8); + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use </span>rand_core::{RngCore, SeedableRng}; + + <span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] </span><span class="kw">use super</span>::{ChaCha20Rng, ChaCha12Rng, ChaCha8Rng}; + + <span class="kw">type </span>ChaChaRng = <span class="kw">super</span>::ChaCha20Rng; + + <span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] + #[test] + </span><span class="kw">fn </span>test_chacha_serde_roundtrip() { + <span class="kw">let </span>seed = [ + <span class="number">1</span>, <span class="number">0</span>, <span class="number">52</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">10</span>, <span class="number">0</span>, <span class="number">22</span>, <span class="number">32</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">55</span>, <span class="number">49</span>, <span class="number">0</span>, <span class="number">11</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">2</span>, <span class="number">92</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>rng1 = ChaCha20Rng::from_seed(seed); + <span class="kw">let </span><span class="kw-2">mut </span>rng2 = ChaCha12Rng::from_seed(seed); + <span class="kw">let </span><span class="kw-2">mut </span>rng3 = ChaCha8Rng::from_seed(seed); + + <span class="kw">let </span>encoded1 = serde_json::to_string(<span class="kw-2">&</span>rng1).unwrap(); + <span class="kw">let </span>encoded2 = serde_json::to_string(<span class="kw-2">&</span>rng2).unwrap(); + <span class="kw">let </span>encoded3 = serde_json::to_string(<span class="kw-2">&</span>rng3).unwrap(); + + <span class="kw">let </span><span class="kw-2">mut </span>decoded1: ChaCha20Rng = serde_json::from_str(<span class="kw-2">&</span>encoded1).unwrap(); + <span class="kw">let </span><span class="kw-2">mut </span>decoded2: ChaCha12Rng = serde_json::from_str(<span class="kw-2">&</span>encoded2).unwrap(); + <span class="kw">let </span><span class="kw-2">mut </span>decoded3: ChaCha8Rng = serde_json::from_str(<span class="kw-2">&</span>encoded3).unwrap(); + + <span class="macro">assert_eq!</span>(rng1, decoded1); + <span class="macro">assert_eq!</span>(rng2, decoded2); + <span class="macro">assert_eq!</span>(rng3, decoded3); + + <span class="macro">assert_eq!</span>(rng1.next_u32(), decoded1.next_u32()); + <span class="macro">assert_eq!</span>(rng2.next_u32(), decoded2.next_u32()); + <span class="macro">assert_eq!</span>(rng3.next_u32(), decoded3.next_u32()); + } + + <span class="comment">// This test validates that: + // 1. a hard-coded serialization demonstrating the format at time of initial release can still + // be deserialized to a ChaChaRng + // 2. re-serializing the resultant object produces exactly the original string + // + // Condition 2 is stronger than necessary: an equivalent serialization (e.g. with field order + // permuted, or whitespace differences) would also be admissible, but would fail this test. + // However testing for equivalence of serialized data is difficult, and there shouldn't be any + // reason we need to violate the stronger-than-needed condition, e.g. by changing the field + // definition order. + </span><span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] + #[test] + </span><span class="kw">fn </span>test_chacha_serde_format_stability() { + <span class="kw">let </span>j = <span class="string">r#"{"seed":[4,8,15,16,23,42,4,8,15,16,23,42,4,8,15,16,23,42,4,8,15,16,23,42,4,8,15,16,23,42,4,8],"stream":27182818284,"word_pos":314159265359}"#</span>; + <span class="kw">let </span>r: ChaChaRng = serde_json::from_str(<span class="kw-2">&</span>j).unwrap(); + <span class="kw">let </span>j1 = serde_json::to_string(<span class="kw-2">&</span>r).unwrap(); + <span class="macro">assert_eq!</span>(j, j1); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_construction() { + <span class="kw">let </span>seed = [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>rng1 = ChaChaRng::from_seed(seed); + <span class="macro">assert_eq!</span>(rng1.next_u32(), <span class="number">137206642</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>rng2 = ChaChaRng::from_rng(rng1).unwrap(); + <span class="macro">assert_eq!</span>(rng2.next_u32(), <span class="number">1325750369</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_true_values_a() { + <span class="comment">// Test vectors 1 and 2 from + // https://tools.ietf.org/html/draft-nir-cfrg-chacha20-poly1305-04 + </span><span class="kw">let </span>seed = [<span class="number">0u8</span>; <span class="number">32</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(seed); + + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u32</span>; <span class="number">16</span>]; + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng.next_u32(); + } + <span class="kw">let </span>expected = [ + <span class="number">0xade0b876</span>, <span class="number">0x903df1a0</span>, <span class="number">0xe56a5d40</span>, <span class="number">0x28bd8653</span>, <span class="number">0xb819d2bd</span>, <span class="number">0x1aed8da0</span>, <span class="number">0xccef36a8</span>, + <span class="number">0xc70d778b</span>, <span class="number">0x7c5941da</span>, <span class="number">0x8d485751</span>, <span class="number">0x3fe02477</span>, <span class="number">0x374ad8b8</span>, <span class="number">0xf4b8436a</span>, <span class="number">0x1ca11815</span>, + <span class="number">0x69b687c3</span>, <span class="number">0x8665eeb2</span>, + ]; + <span class="macro">assert_eq!</span>(results, expected); + + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng.next_u32(); + } + <span class="kw">let </span>expected = [ + <span class="number">0xbee7079f</span>, <span class="number">0x7a385155</span>, <span class="number">0x7c97ba98</span>, <span class="number">0x0d082d73</span>, <span class="number">0xa0290fcb</span>, <span class="number">0x6965e348</span>, <span class="number">0x3e53c612</span>, + <span class="number">0xed7aee32</span>, <span class="number">0x7621b729</span>, <span class="number">0x434ee69c</span>, <span class="number">0xb03371d5</span>, <span class="number">0xd539d874</span>, <span class="number">0x281fed31</span>, <span class="number">0x45fb0a51</span>, + <span class="number">0x1f0ae1ac</span>, <span class="number">0x6f4d794b</span>, + ]; + <span class="macro">assert_eq!</span>(results, expected); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_true_values_b() { + <span class="comment">// Test vector 3 from + // https://tools.ietf.org/html/draft-nir-cfrg-chacha20-poly1305-04 + </span><span class="kw">let </span>seed = [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(seed); + + <span class="comment">// Skip block 0 + </span><span class="kw">for _ in </span><span class="number">0</span>..<span class="number">16 </span>{ + rng.next_u32(); + } + + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u32</span>; <span class="number">16</span>]; + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng.next_u32(); + } + <span class="kw">let </span>expected = [ + <span class="number">0x2452eb3a</span>, <span class="number">0x9249f8ec</span>, <span class="number">0x8d829d9b</span>, <span class="number">0xddd4ceb1</span>, <span class="number">0xe8252083</span>, <span class="number">0x60818b01</span>, <span class="number">0xf38422b8</span>, + <span class="number">0x5aaa49c9</span>, <span class="number">0xbb00ca8e</span>, <span class="number">0xda3ba7b4</span>, <span class="number">0xc4b592d1</span>, <span class="number">0xfdf2732f</span>, <span class="number">0x4436274e</span>, <span class="number">0x2561b3c8</span>, + <span class="number">0xebdd4aa6</span>, <span class="number">0xa0136c00</span>, + ]; + <span class="macro">assert_eq!</span>(results, expected); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_true_values_c() { + <span class="comment">// Test vector 4 from + // https://tools.ietf.org/html/draft-nir-cfrg-chacha20-poly1305-04 + </span><span class="kw">let </span>seed = [ + <span class="number">0</span>, <span class="number">0xff</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ]; + <span class="kw">let </span>expected = [ + <span class="number">0xfb4dd572</span>, <span class="number">0x4bc42ef1</span>, <span class="number">0xdf922636</span>, <span class="number">0x327f1394</span>, <span class="number">0xa78dea8f</span>, <span class="number">0x5e269039</span>, <span class="number">0xa1bebbc1</span>, + <span class="number">0xcaf09aae</span>, <span class="number">0xa25ab213</span>, <span class="number">0x48a6b46c</span>, <span class="number">0x1b9d9bcb</span>, <span class="number">0x092c5be6</span>, <span class="number">0x546ca624</span>, <span class="number">0x1bec45d5</span>, + <span class="number">0x87f47473</span>, <span class="number">0x96f0992e</span>, + ]; + <span class="kw">let </span>expected_end = <span class="number">3 </span>* <span class="number">16</span>; + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u32</span>; <span class="number">16</span>]; + + <span class="comment">// Test block 2 by skipping block 0 and 1 + </span><span class="kw">let </span><span class="kw-2">mut </span>rng1 = ChaChaRng::from_seed(seed); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">32 </span>{ + rng1.next_u32(); + } + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng1.next_u32(); + } + <span class="macro">assert_eq!</span>(results, expected); + <span class="macro">assert_eq!</span>(rng1.get_word_pos(), expected_end); + + <span class="comment">// Test block 2 by using `set_word_pos` + </span><span class="kw">let </span><span class="kw-2">mut </span>rng2 = ChaChaRng::from_seed(seed); + rng2.set_word_pos(<span class="number">2 </span>* <span class="number">16</span>); + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng2.next_u32(); + } + <span class="macro">assert_eq!</span>(results, expected); + <span class="macro">assert_eq!</span>(rng2.get_word_pos(), expected_end); + + <span class="comment">// Test skipping behaviour with other types + </span><span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u8</span>; <span class="number">32</span>]; + rng2.fill_bytes(<span class="kw-2">&mut </span>buf[..]); + <span class="macro">assert_eq!</span>(rng2.get_word_pos(), expected_end + <span class="number">8</span>); + rng2.fill_bytes(<span class="kw-2">&mut </span>buf[<span class="number">0</span>..<span class="number">25</span>]); + <span class="macro">assert_eq!</span>(rng2.get_word_pos(), expected_end + <span class="number">15</span>); + rng2.next_u64(); + <span class="macro">assert_eq!</span>(rng2.get_word_pos(), expected_end + <span class="number">17</span>); + rng2.next_u32(); + rng2.next_u64(); + <span class="macro">assert_eq!</span>(rng2.get_word_pos(), expected_end + <span class="number">20</span>); + rng2.fill_bytes(<span class="kw-2">&mut </span>buf[<span class="number">0</span>..<span class="number">1</span>]); + <span class="macro">assert_eq!</span>(rng2.get_word_pos(), expected_end + <span class="number">21</span>); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_multiple_blocks() { + <span class="kw">let </span>seed = [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">4</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">5</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">6</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">7</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(seed); + + <span class="comment">// Store the 17*i-th 32-bit word, + // i.e., the i-th word of the i-th 16-word block + </span><span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u32</span>; <span class="number">16</span>]; + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng.next_u32(); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">16 </span>{ + rng.next_u32(); + } + } + <span class="kw">let </span>expected = [ + <span class="number">0xf225c81a</span>, <span class="number">0x6ab1be57</span>, <span class="number">0x04d42951</span>, <span class="number">0x70858036</span>, <span class="number">0x49884684</span>, <span class="number">0x64efec72</span>, <span class="number">0x4be2d186</span>, + <span class="number">0x3615b384</span>, <span class="number">0x11cfa18e</span>, <span class="number">0xd3c50049</span>, <span class="number">0x75c775f6</span>, <span class="number">0x434c6530</span>, <span class="number">0x2c5bad8f</span>, <span class="number">0x898881dc</span>, + <span class="number">0x5f1c86d9</span>, <span class="number">0xc1f8e7f4</span>, + ]; + <span class="macro">assert_eq!</span>(results, expected); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_true_bytes() { + <span class="kw">let </span>seed = [<span class="number">0u8</span>; <span class="number">32</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(seed); + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u8</span>; <span class="number">32</span>]; + rng.fill_bytes(<span class="kw-2">&mut </span>results); + <span class="kw">let </span>expected = [ + <span class="number">118</span>, <span class="number">184</span>, <span class="number">224</span>, <span class="number">173</span>, <span class="number">160</span>, <span class="number">241</span>, <span class="number">61</span>, <span class="number">144</span>, <span class="number">64</span>, <span class="number">93</span>, <span class="number">106</span>, <span class="number">229</span>, <span class="number">83</span>, <span class="number">134</span>, <span class="number">189</span>, <span class="number">40</span>, <span class="number">189</span>, <span class="number">210</span>, + <span class="number">25</span>, <span class="number">184</span>, <span class="number">160</span>, <span class="number">141</span>, <span class="number">237</span>, <span class="number">26</span>, <span class="number">168</span>, <span class="number">54</span>, <span class="number">239</span>, <span class="number">204</span>, <span class="number">139</span>, <span class="number">119</span>, <span class="number">13</span>, <span class="number">199</span>, + ]; + <span class="macro">assert_eq!</span>(results, expected); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_nonce() { + <span class="comment">// Test vector 5 from + // https://tools.ietf.org/html/draft-nir-cfrg-chacha20-poly1305-04 + // Although we do not support setting a nonce, we try it here anyway so + // we can use this test vector. + </span><span class="kw">let </span>seed = [<span class="number">0u8</span>; <span class="number">32</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(seed); + <span class="comment">// 96-bit nonce in LE order is: 0,0,0,0, 0,0,0,0, 0,0,0,2 + </span>rng.set_stream(<span class="number">2u64 </span><< (<span class="number">24 </span>+ <span class="number">32</span>)); + + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u32</span>; <span class="number">16</span>]; + <span class="kw">for </span>i <span class="kw">in </span>results.iter_mut() { + <span class="kw-2">*</span>i = rng.next_u32(); + } + <span class="kw">let </span>expected = [ + <span class="number">0x374dc6c2</span>, <span class="number">0x3736d58c</span>, <span class="number">0xb904e24a</span>, <span class="number">0xcd3f93ef</span>, <span class="number">0x88228b1a</span>, <span class="number">0x96a4dfb3</span>, <span class="number">0x5b76ab72</span>, + <span class="number">0xc727ee54</span>, <span class="number">0x0e0e978a</span>, <span class="number">0xf3145c95</span>, <span class="number">0x1b748ea8</span>, <span class="number">0xf786c297</span>, <span class="number">0x99c28f5f</span>, <span class="number">0x628314e8</span>, + <span class="number">0x398a19fa</span>, <span class="number">0x6ded1b53</span>, + ]; + <span class="macro">assert_eq!</span>(results, expected); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_clone_streams() { + <span class="kw">let </span>seed = [ + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">4</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">5</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">6</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">7</span>, + <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, + ]; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(seed); + <span class="kw">let </span><span class="kw-2">mut </span>clone = rng.clone(); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">16 </span>{ + <span class="macro">assert_eq!</span>(rng.next_u64(), clone.next_u64()); + } + + rng.set_stream(<span class="number">51</span>); + <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">7 </span>{ + <span class="macro">assert!</span>(rng.next_u32() != clone.next_u32()); + } + clone.set_stream(<span class="number">51</span>); <span class="comment">// switch part way through block + </span><span class="kw">for _ in </span><span class="number">7</span>..<span class="number">16 </span>{ + <span class="macro">assert_eq!</span>(rng.next_u32(), clone.next_u32()); + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_word_pos_wrap_exact() { + <span class="kw">use super</span>::{BUF_BLOCKS, BLOCK_WORDS}; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(Default::default()); + <span class="comment">// refilling the buffer in set_word_pos will wrap the block counter to 0 + </span><span class="kw">let </span>last_block = (<span class="number">1 </span><< <span class="number">68</span>) - u128::from(BUF_BLOCKS * BLOCK_WORDS); + rng.set_word_pos(last_block); + <span class="macro">assert_eq!</span>(rng.get_word_pos(), last_block); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_word_pos_wrap_excess() { + <span class="kw">use </span><span class="kw">super</span>::BLOCK_WORDS; + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(Default::default()); + <span class="comment">// refilling the buffer in set_word_pos will wrap the block counter past 0 + </span><span class="kw">let </span>last_block = (<span class="number">1 </span><< <span class="number">68</span>) - u128::from(BLOCK_WORDS); + rng.set_word_pos(last_block); + <span class="macro">assert_eq!</span>(rng.get_word_pos(), last_block); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_chacha_word_pos_zero() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = ChaChaRng::from_seed(Default::default()); + <span class="macro">assert_eq!</span>(rng.get_word_pos(), <span class="number">0</span>); + rng.set_word_pos(<span class="number">0</span>); + <span class="macro">assert_eq!</span>(rng.get_word_pos(), <span class="number">0</span>); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_chacha" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/guts.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/guts.rs.html new file mode 100644 index 0000000..dd1feff --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/guts.rs.html @@ -0,0 +1,549 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_chacha-0.3.1/src/guts.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>guts.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2019 The CryptoCorrosion Contributors +// Copyright 2020 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The ChaCha random number generator. + +</span><span class="kw">use </span>ppv_lite86::{dispatch, dispatch_light128}; + +<span class="kw">pub use </span>ppv_lite86::Machine; +<span class="kw">use </span>ppv_lite86::{vec128_storage, ArithOps, BitOps32, LaneWords4, MultiLane, StoreBytes, Vec4}; + +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>BLOCK: usize = <span class="number">64</span>; +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>BLOCK64: u64 = BLOCK <span class="kw">as </span>u64; +<span class="kw">const </span>LOG2_BUFBLOCKS: u64 = <span class="number">2</span>; +<span class="kw">const </span>BUFBLOCKS: u64 = <span class="number">1 </span><< LOG2_BUFBLOCKS; +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>BUFSZ64: u64 = BLOCK64 * BUFBLOCKS; +<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>BUFSZ: usize = BUFSZ64 <span class="kw">as </span>usize; + +<span class="kw">const </span>STREAM_PARAM_NONCE: u32 = <span class="number">1</span>; +<span class="kw">const </span>STREAM_PARAM_BLOCK: u32 = <span class="number">0</span>; + +<span class="attribute">#[derive(Clone, PartialEq, Eq)] +</span><span class="kw">pub struct </span>ChaCha { + <span class="kw">pub</span>(<span class="kw">crate</span>) b: vec128_storage, + <span class="kw">pub</span>(<span class="kw">crate</span>) c: vec128_storage, + <span class="kw">pub</span>(<span class="kw">crate</span>) d: vec128_storage, +} + +<span class="attribute">#[derive(Clone)] +</span><span class="kw">pub struct </span>State<V> { + <span class="kw">pub</span>(<span class="kw">crate</span>) a: V, + <span class="kw">pub</span>(<span class="kw">crate</span>) b: V, + <span class="kw">pub</span>(<span class="kw">crate</span>) c: V, + <span class="kw">pub</span>(<span class="kw">crate</span>) d: V, +} + +<span class="attribute">#[inline(always)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>round<V: ArithOps + BitOps32>(<span class="kw-2">mut </span>x: State<V>) -> State<V> { + x.a += x.b; + x.d = (x.d ^ x.a).rotate_each_word_right16(); + x.c += x.d; + x.b = (x.b ^ x.c).rotate_each_word_right20(); + x.a += x.b; + x.d = (x.d ^ x.a).rotate_each_word_right24(); + x.c += x.d; + x.b = (x.b ^ x.c).rotate_each_word_right25(); + x +} + +<span class="attribute">#[inline(always)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>diagonalize<V: LaneWords4>(<span class="kw-2">mut </span>x: State<V>) -> State<V> { + x.b = x.b.shuffle_lane_words3012(); + x.c = x.c.shuffle_lane_words2301(); + x.d = x.d.shuffle_lane_words1230(); + x +} +<span class="attribute">#[inline(always)] +</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>undiagonalize<V: LaneWords4>(<span class="kw-2">mut </span>x: State<V>) -> State<V> { + x.b = x.b.shuffle_lane_words1230(); + x.c = x.c.shuffle_lane_words2301(); + x.d = x.d.shuffle_lane_words3012(); + x +} + +<span class="kw">impl </span>ChaCha { + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>new(key: <span class="kw-2">&</span>[u8; <span class="number">32</span>], nonce: <span class="kw-2">&</span>[u8]) -> <span class="self">Self </span>{ + init_chacha(key, nonce) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>pos64<M: Machine>(<span class="kw-2">&</span><span class="self">self</span>, m: M) -> u64 { + <span class="kw">let </span>d: M::u32x4 = m.unpack(<span class="self">self</span>.d); + ((d.extract(<span class="number">1</span>) <span class="kw">as </span>u64) << <span class="number">32</span>) | d.extract(<span class="number">0</span>) <span class="kw">as </span>u64 + } + + <span class="doccomment">/// Produce 4 blocks of output, advancing the state + </span><span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>refill4(<span class="kw-2">&mut </span><span class="self">self</span>, drounds: u32, out: <span class="kw-2">&mut </span>[u8; BUFSZ]) { + refill_wide(<span class="self">self</span>, drounds, out) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>set_block_pos(<span class="kw-2">&mut </span><span class="self">self</span>, value: u64) { + set_stream_param(<span class="self">self</span>, STREAM_PARAM_BLOCK, value) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>get_block_pos(<span class="kw-2">&</span><span class="self">self</span>) -> u64 { + get_stream_param(<span class="self">self</span>, STREAM_PARAM_BLOCK) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>set_nonce(<span class="kw-2">&mut </span><span class="self">self</span>, value: u64) { + set_stream_param(<span class="self">self</span>, STREAM_PARAM_NONCE, value) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>get_nonce(<span class="kw-2">&</span><span class="self">self</span>) -> u64 { + get_stream_param(<span class="self">self</span>, STREAM_PARAM_NONCE) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>get_seed(<span class="kw-2">&</span><span class="self">self</span>) -> [u8; <span class="number">32</span>] { + get_seed(<span class="self">self</span>) + } +} + +<span class="attribute">#[allow(clippy::many_single_char_names)] +#[inline(always)] +</span><span class="kw">fn </span>refill_wide_impl<Mach: Machine>( + m: Mach, state: <span class="kw-2">&mut </span>ChaCha, drounds: u32, out: <span class="kw-2">&mut </span>[u8; BUFSZ], +) { + <span class="kw">let </span>k = m.vec([<span class="number">0x6170_7865</span>, <span class="number">0x3320_646e</span>, <span class="number">0x7962_2d32</span>, <span class="number">0x6b20_6574</span>]); + <span class="kw">let </span><span class="kw-2">mut </span>pos = state.pos64(m); + <span class="kw">let </span>d0: Mach::u32x4 = m.unpack(state.d); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d1 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d2 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d3 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + + <span class="kw">let </span>b = m.unpack(state.b); + <span class="kw">let </span>c = m.unpack(state.c); + <span class="kw">let </span><span class="kw-2">mut </span>x = State { + a: Mach::u32x4x4::from_lanes([k, k, k, k]), + b: Mach::u32x4x4::from_lanes([b, b, b, b]), + c: Mach::u32x4x4::from_lanes([c, c, c, c]), + d: m.unpack(Mach::u32x4x4::from_lanes([d0, d1, d2, d3]).into()), + }; + <span class="kw">for _ in </span><span class="number">0</span>..drounds { + x = round(x); + x = undiagonalize(round(diagonalize(x))); + } + <span class="kw">let </span><span class="kw-2">mut </span>pos = state.pos64(m); + <span class="kw">let </span>d0: Mach::u32x4 = m.unpack(state.d); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d1 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d2 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d3 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + pos = pos.wrapping_add(<span class="number">1</span>); + <span class="kw">let </span>d4 = d0.insert((pos >> <span class="number">32</span>) <span class="kw">as </span>u32, <span class="number">1</span>).insert(pos <span class="kw">as </span>u32, <span class="number">0</span>); + + <span class="kw">let </span>(a, b, c, d) = ( + x.a.to_lanes(), + x.b.to_lanes(), + x.c.to_lanes(), + x.d.to_lanes(), + ); + <span class="kw">let </span>sb = m.unpack(state.b); + <span class="kw">let </span>sc = m.unpack(state.c); + <span class="kw">let </span>sd = [m.unpack(state.d), d1, d2, d3]; + state.d = d4.into(); + <span class="kw">let </span><span class="kw-2">mut </span>words = out.chunks_exact_mut(<span class="number">16</span>); + <span class="kw">for </span>((((<span class="kw-2">&</span>a, <span class="kw-2">&</span>b), <span class="kw-2">&</span>c), <span class="kw-2">&</span>d), <span class="kw-2">&</span>sd) <span class="kw">in </span>a.iter().zip(<span class="kw-2">&</span>b).zip(<span class="kw-2">&</span>c).zip(<span class="kw-2">&</span>d).zip(<span class="kw-2">&</span>sd) { + (a + k).write_le(words.next().unwrap()); + (b + sb).write_le(words.next().unwrap()); + (c + sc).write_le(words.next().unwrap()); + (d + sd).write_le(words.next().unwrap()); + } +} + +<span class="macro">dispatch!</span>(m, Mach, { + <span class="kw">fn </span>refill_wide(state: <span class="kw-2">&mut </span>ChaCha, drounds: u32, out: <span class="kw-2">&mut </span>[u8; BUFSZ]) { + refill_wide_impl(m, state, drounds, out); + } +}); + +<span class="comment">// Single-block, rounds-only; shared by try_apply_keystream for tails shorter than BUFSZ +// and XChaCha's setup step. +</span><span class="macro">dispatch!</span>(m, Mach, { + <span class="kw">fn </span>refill_narrow_rounds(state: <span class="kw-2">&mut </span>ChaCha, drounds: u32) -> State<vec128_storage> { + <span class="kw">let </span>k: Mach::u32x4 = m.vec([<span class="number">0x6170_7865</span>, <span class="number">0x3320_646e</span>, <span class="number">0x7962_2d32</span>, <span class="number">0x6b20_6574</span>]); + <span class="kw">let </span><span class="kw-2">mut </span>x = State { + a: k, + b: m.unpack(state.b), + c: m.unpack(state.c), + d: m.unpack(state.d), + }; + <span class="kw">for _ in </span><span class="number">0</span>..drounds { + x = round(x); + x = undiagonalize(round(diagonalize(x))); + } + State { + a: x.a.into(), + b: x.b.into(), + c: x.c.into(), + d: x.d.into(), + } + } +}); + +<span class="macro">dispatch_light128!</span>(m, Mach, { + <span class="kw">fn </span>set_stream_param(state: <span class="kw-2">&mut </span>ChaCha, param: u32, value: u64) { + <span class="kw">let </span>d: Mach::u32x4 = m.unpack(state.d); + state.d = d + .insert((value >> <span class="number">32</span>) <span class="kw">as </span>u32, (param << <span class="number">1</span>) | <span class="number">1</span>) + .insert(value <span class="kw">as </span>u32, param << <span class="number">1</span>) + .into(); + } +}); + +<span class="macro">dispatch_light128!</span>(m, Mach, { + <span class="kw">fn </span>get_stream_param(state: <span class="kw-2">&</span>ChaCha, param: u32) -> u64 { + <span class="kw">let </span>d: Mach::u32x4 = m.unpack(state.d); + ((d.extract((param << <span class="number">1</span>) | <span class="number">1</span>) <span class="kw">as </span>u64) << <span class="number">32</span>) | d.extract(param << <span class="number">1</span>) <span class="kw">as </span>u64 + } +}); + +<span class="macro">dispatch_light128!</span>(m, Mach, { + <span class="kw">fn </span>get_seed(state: <span class="kw-2">&</span>ChaCha) -> [u8; <span class="number">32</span>] { + <span class="kw">let </span>b: Mach::u32x4 = m.unpack(state.b); + <span class="kw">let </span>c: Mach::u32x4 = m.unpack(state.c); + <span class="kw">let </span><span class="kw-2">mut </span>key = [<span class="number">0u8</span>; <span class="number">32</span>]; + b.write_le(<span class="kw-2">&mut </span>key[..<span class="number">16</span>]); + c.write_le(<span class="kw-2">&mut </span>key[<span class="number">16</span>..]); + key + } +}); + +<span class="kw">fn </span>read_u32le(xs: <span class="kw-2">&</span>[u8]) -> u32 { + <span class="macro">assert_eq!</span>(xs.len(), <span class="number">4</span>); + u32::from(xs[<span class="number">0</span>]) | (u32::from(xs[<span class="number">1</span>]) << <span class="number">8</span>) | (u32::from(xs[<span class="number">2</span>]) << <span class="number">16</span>) | (u32::from(xs[<span class="number">3</span>]) << <span class="number">24</span>) +} + +<span class="macro">dispatch_light128!</span>(m, Mach, { + <span class="kw">fn </span>init_chacha(key: <span class="kw-2">&</span>[u8; <span class="number">32</span>], nonce: <span class="kw-2">&</span>[u8]) -> ChaCha { + <span class="kw">let </span>ctr_nonce = [ + <span class="number">0</span>, + <span class="kw">if </span>nonce.len() == <span class="number">12 </span>{ + read_u32le(<span class="kw-2">&</span>nonce[<span class="number">0</span>..<span class="number">4</span>]) + } <span class="kw">else </span>{ + <span class="number">0 + </span>}, + read_u32le(<span class="kw-2">&</span>nonce[nonce.len() - <span class="number">8</span>..nonce.len() - <span class="number">4</span>]), + read_u32le(<span class="kw-2">&</span>nonce[nonce.len() - <span class="number">4</span>..]), + ]; + <span class="kw">let </span>key0: Mach::u32x4 = m.read_le(<span class="kw-2">&</span>key[..<span class="number">16</span>]); + <span class="kw">let </span>key1: Mach::u32x4 = m.read_le(<span class="kw-2">&</span>key[<span class="number">16</span>..]); + ChaCha { + b: key0.into(), + c: key1.into(), + d: ctr_nonce.into(), + } + } +}); + +<span class="macro">dispatch_light128!</span>(m, Mach, { + <span class="kw">fn </span>init_chacha_x(key: <span class="kw-2">&</span>[u8; <span class="number">32</span>], nonce: <span class="kw-2">&</span>[u8; <span class="number">24</span>], rounds: u32) -> ChaCha { + <span class="kw">let </span>key0: Mach::u32x4 = m.read_le(<span class="kw-2">&</span>key[..<span class="number">16</span>]); + <span class="kw">let </span>key1: Mach::u32x4 = m.read_le(<span class="kw-2">&</span>key[<span class="number">16</span>..]); + <span class="kw">let </span>nonce0: Mach::u32x4 = m.read_le(<span class="kw-2">&</span>nonce[..<span class="number">16</span>]); + <span class="kw">let </span><span class="kw-2">mut </span>state = ChaCha { + b: key0.into(), + c: key1.into(), + d: nonce0.into(), + }; + <span class="kw">let </span>x = refill_narrow_rounds(<span class="kw-2">&mut </span>state, rounds); + <span class="kw">let </span>ctr_nonce1 = [<span class="number">0</span>, <span class="number">0</span>, read_u32le(<span class="kw-2">&</span>nonce[<span class="number">16</span>..<span class="number">20</span>]), read_u32le(<span class="kw-2">&</span>nonce[<span class="number">20</span>..<span class="number">24</span>])]; + state.b = x.a; + state.c = x.d; + state.d = ctr_nonce1.into(); + state + } +}); +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_chacha" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/lib.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/lib.rs.html new file mode 100644 index 0000000..12d8c8e --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_chacha/lib.rs.html @@ -0,0 +1,69 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_chacha-0.3.1/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../rand_chacha/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The ChaCha random number generator. + +</span><span class="attribute">#![doc( + html_logo_url = <span class="string">"https://www.rust-lang.org/logos/rust-logo-128x128-blk.png"</span>, + html_favicon_url = <span class="string">"https://www.rust-lang.org/favicon.ico"</span>, + html_root_url = <span class="string">"https://rust-random.github.io/rand/" +</span>)] +#![deny(missing_docs)] +#![deny(missing_debug_implementations)] +#![doc(test(attr(allow(unused_variables), deny(warnings))))] +#![cfg_attr(not(feature = <span class="string">"std"</span>), no_std)] + +</span><span class="kw">pub use </span>rand_core; + +<span class="kw">mod </span>chacha; +<span class="kw">mod </span>guts; + +<span class="kw">pub use </span><span class="kw">crate</span>::chacha::{ + ChaCha12Core, ChaCha12Rng, ChaCha20Core, ChaCha20Rng, ChaCha8Core, ChaCha8Rng, +}; + +<span class="doccomment">/// ChaCha with 20 rounds +</span><span class="kw">pub type </span>ChaChaRng = ChaCha20Rng; +<span class="doccomment">/// ChaCha with 20 rounds, low-level interface +</span><span class="kw">pub type </span>ChaChaCore = ChaCha20Core; +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_chacha" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/block.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/block.rs.html new file mode 100644 index 0000000..fdcdb70 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/block.rs.html @@ -0,0 +1,1081 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.4/src/block.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>block.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../rand_core/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! The `BlockRngCore` trait and implementation helpers +//! +//! The [`BlockRngCore`] trait exists to assist in the implementation of RNGs +//! which generate a block of data in a cache instead of returning generated +//! values directly. +//! +//! Usage of this trait is optional, but provides two advantages: +//! implementations only need to concern themselves with generation of the +//! block, not the various [`RngCore`] methods (especially [`fill_bytes`], where +//! the optimal implementations are not trivial), and this allows +//! `ReseedingRng` (see [`rand`](https://docs.rs/rand) crate) perform periodic +//! reseeding with very low overhead. +//! +//! # Example +//! +//! ```no_run +//! use rand_core::{RngCore, SeedableRng}; +//! use rand_core::block::{BlockRngCore, BlockRng}; +//! +//! struct MyRngCore; +//! +//! impl BlockRngCore for MyRngCore { +//! type Item = u32; +//! type Results = [u32; 16]; +//! +//! fn generate(&mut self, results: &mut Self::Results) { +//! unimplemented!() +//! } +//! } +//! +//! impl SeedableRng for MyRngCore { +//! type Seed = [u8; 32]; +//! fn from_seed(seed: Self::Seed) -> Self { +//! unimplemented!() +//! } +//! } +//! +//! // optionally, also implement CryptoRng for MyRngCore +//! +//! // Final RNG. +//! let mut rng = BlockRng::<MyRngCore>::seed_from_u64(0); +//! println!("First value: {}", rng.next_u32()); +//! ``` +//! +//! [`BlockRngCore`]: crate::block::BlockRngCore +//! [`fill_bytes`]: RngCore::fill_bytes + +</span><span class="kw">use </span><span class="kw">crate</span>::impls::{fill_via_u32_chunks, fill_via_u64_chunks}; +<span class="kw">use crate</span>::{CryptoRng, Error, RngCore, SeedableRng}; +<span class="kw">use </span>core::convert::AsRef; +<span class="kw">use </span>core::fmt; +<span class="attribute">#[cfg(feature = <span class="string">"serde1"</span>)] +</span><span class="kw">use </span>serde::{Deserialize, Serialize}; + +<span class="doccomment">/// A trait for RNGs which do not generate random numbers individually, but in +/// blocks (typically `[u32; N]`). This technique is commonly used by +/// cryptographic RNGs to improve performance. +/// +/// See the [module][crate::block] documentation for details. +</span><span class="kw">pub trait </span>BlockRngCore { + <span class="doccomment">/// Results element type, e.g. `u32`. + </span><span class="kw">type </span>Item; + + <span class="doccomment">/// Results type. This is the 'block' an RNG implementing `BlockRngCore` + /// generates, which will usually be an array like `[u32; 16]`. + </span><span class="kw">type </span>Results: AsRef<[<span class="self">Self</span>::Item]> + AsMut<[<span class="self">Self</span>::Item]> + Default; + + <span class="doccomment">/// Generate a new block of results. + </span><span class="kw">fn </span>generate(<span class="kw-2">&mut </span><span class="self">self</span>, results: <span class="kw-2">&mut </span><span class="self">Self</span>::Results); +} + +<span class="doccomment">/// A wrapper type implementing [`RngCore`] for some type implementing +/// [`BlockRngCore`] with `u32` array buffer; i.e. this can be used to implement +/// a full RNG from just a `generate` function. +/// +/// The `core` field may be accessed directly but the results buffer may not. +/// PRNG implementations can simply use a type alias +/// (`pub type MyRng = BlockRng<MyRngCore>;`) but might prefer to use a +/// wrapper type (`pub struct MyRng(BlockRng<MyRngCore>);`); the latter must +/// re-implement `RngCore` but hides the implementation details and allows +/// extra functionality to be defined on the RNG +/// (e.g. `impl MyRng { fn set_stream(...){...} }`). +/// +/// `BlockRng` has heavily optimized implementations of the [`RngCore`] methods +/// reading values from the results buffer, as well as +/// calling [`BlockRngCore::generate`] directly on the output array when +/// [`fill_bytes`] / [`try_fill_bytes`] is called on a large array. These methods +/// also handle the bookkeeping of when to generate a new batch of values. +/// +/// No whole generated `u32` values are thrown away and all values are consumed +/// in-order. [`next_u32`] simply takes the next available `u32` value. +/// [`next_u64`] is implemented by combining two `u32` values, least +/// significant first. [`fill_bytes`] and [`try_fill_bytes`] consume a whole +/// number of `u32` values, converting each `u32` to a byte slice in +/// little-endian order. If the requested byte length is not a multiple of 4, +/// some bytes will be discarded. +/// +/// See also [`BlockRng64`] which uses `u64` array buffers. Currently there is +/// no direct support for other buffer types. +/// +/// For easy initialization `BlockRng` also implements [`SeedableRng`]. +/// +/// [`next_u32`]: RngCore::next_u32 +/// [`next_u64`]: RngCore::next_u64 +/// [`fill_bytes`]: RngCore::fill_bytes +/// [`try_fill_bytes`]: RngCore::try_fill_bytes +</span><span class="attribute">#[derive(Clone)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +#[cfg_attr( + feature = <span class="string">"serde1"</span>, + serde( + bound = <span class="string">"for<'x> R: Serialize + Deserialize<'x> + Sized, for<'x> R::Results: Serialize + Deserialize<'x>" + </span>) +)] +</span><span class="kw">pub struct </span>BlockRng<R: BlockRngCore + <span class="question-mark">?</span>Sized> { + results: R::Results, + index: usize, + <span class="doccomment">/// The *core* part of the RNG, implementing the `generate` function. + </span><span class="kw">pub </span>core: R, +} + +<span class="comment">// Custom Debug implementation that does not expose the contents of `results`. +</span><span class="kw">impl</span><R: BlockRngCore + fmt::Debug> fmt::Debug <span class="kw">for </span>BlockRng<R> { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + fmt.debug_struct(<span class="string">"BlockRng"</span>) + .field(<span class="string">"core"</span>, <span class="kw-2">&</span><span class="self">self</span>.core) + .field(<span class="string">"result_len"</span>, <span class="kw-2">&</span><span class="self">self</span>.results.as_ref().len()) + .field(<span class="string">"index"</span>, <span class="kw-2">&</span><span class="self">self</span>.index) + .finish() + } +} + +<span class="kw">impl</span><R: BlockRngCore> BlockRng<R> { + <span class="doccomment">/// Create a new `BlockRng` from an existing RNG implementing + /// `BlockRngCore`. Results will be generated on first use. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>new(core: R) -> BlockRng<R> { + <span class="kw">let </span>results_empty = R::Results::default(); + BlockRng { + core, + index: results_empty.as_ref().len(), + results: results_empty, + } + } + + <span class="doccomment">/// Get the index into the result buffer. + /// + /// If this is equal to or larger than the size of the result buffer then + /// the buffer is "empty" and `generate()` must be called to produce new + /// results. + </span><span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>index(<span class="kw-2">&</span><span class="self">self</span>) -> usize { + <span class="self">self</span>.index + } + + <span class="doccomment">/// Reset the number of available results. + /// This will force a new set of results to be generated on next use. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>reset(<span class="kw-2">&mut </span><span class="self">self</span>) { + <span class="self">self</span>.index = <span class="self">self</span>.results.as_ref().len(); + } + + <span class="doccomment">/// Generate a new set of results immediately, setting the index to the + /// given value. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>generate_and_set(<span class="kw-2">&mut </span><span class="self">self</span>, index: usize) { + <span class="macro">assert!</span>(index < <span class="self">self</span>.results.as_ref().len()); + <span class="self">self</span>.core.generate(<span class="kw-2">&mut </span><span class="self">self</span>.results); + <span class="self">self</span>.index = index; + } +} + +<span class="kw">impl</span><R: BlockRngCore<Item = u32>> RngCore <span class="kw">for </span>BlockRng<R> +<span class="kw">where + </span><R <span class="kw">as </span>BlockRngCore>::Results: AsRef<[u32]> + AsMut<[u32]>, +{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="kw">if </span><span class="self">self</span>.index >= <span class="self">self</span>.results.as_ref().len() { + <span class="self">self</span>.generate_and_set(<span class="number">0</span>); + } + + <span class="kw">let </span>value = <span class="self">self</span>.results.as_ref()[<span class="self">self</span>.index]; + <span class="self">self</span>.index += <span class="number">1</span>; + value + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="kw">let </span>read_u64 = |results: <span class="kw-2">&</span>[u32], index| { + <span class="kw">let </span>data = <span class="kw-2">&</span>results[index..=index + <span class="number">1</span>]; + u64::from(data[<span class="number">1</span>]) << <span class="number">32 </span>| u64::from(data[<span class="number">0</span>]) + }; + + <span class="kw">let </span>len = <span class="self">self</span>.results.as_ref().len(); + + <span class="kw">let </span>index = <span class="self">self</span>.index; + <span class="kw">if </span>index < len - <span class="number">1 </span>{ + <span class="self">self</span>.index += <span class="number">2</span>; + <span class="comment">// Read an u64 from the current index + </span>read_u64(<span class="self">self</span>.results.as_ref(), index) + } <span class="kw">else if </span>index >= len { + <span class="self">self</span>.generate_and_set(<span class="number">2</span>); + read_u64(<span class="self">self</span>.results.as_ref(), <span class="number">0</span>) + } <span class="kw">else </span>{ + <span class="kw">let </span>x = u64::from(<span class="self">self</span>.results.as_ref()[len - <span class="number">1</span>]); + <span class="self">self</span>.generate_and_set(<span class="number">1</span>); + <span class="kw">let </span>y = u64::from(<span class="self">self</span>.results.as_ref()[<span class="number">0</span>]); + (y << <span class="number">32</span>) | x + } + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span><span class="kw-2">mut </span>read_len = <span class="number">0</span>; + <span class="kw">while </span>read_len < dest.len() { + <span class="kw">if </span><span class="self">self</span>.index >= <span class="self">self</span>.results.as_ref().len() { + <span class="self">self</span>.generate_and_set(<span class="number">0</span>); + } + <span class="kw">let </span>(consumed_u32, filled_u8) = + fill_via_u32_chunks(<span class="kw-2">&</span><span class="self">self</span>.results.as_ref()[<span class="self">self</span>.index..], <span class="kw-2">&mut </span>dest[read_len..]); + + <span class="self">self</span>.index += consumed_u32; + read_len += filled_u8; + } + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.fill_bytes(dest); + <span class="prelude-val">Ok</span>(()) + } +} + +<span class="kw">impl</span><R: BlockRngCore + SeedableRng> SeedableRng <span class="kw">for </span>BlockRng<R> { + <span class="kw">type </span>Seed = R::Seed; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(R::from_seed(seed)) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>seed_from_u64(seed: u64) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(R::seed_from_u64(seed)) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_rng<S: RngCore>(rng: S) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> { + <span class="prelude-val">Ok</span>(<span class="self">Self</span>::new(R::from_rng(rng)<span class="question-mark">?</span>)) + } +} + +<span class="doccomment">/// A wrapper type implementing [`RngCore`] for some type implementing +/// [`BlockRngCore`] with `u64` array buffer; i.e. this can be used to implement +/// a full RNG from just a `generate` function. +/// +/// This is similar to [`BlockRng`], but specialized for algorithms that operate +/// on `u64` values. +/// +/// No whole generated `u64` values are thrown away and all values are consumed +/// in-order. [`next_u64`] simply takes the next available `u64` value. +/// [`next_u32`] is however a bit special: half of a `u64` is consumed, leaving +/// the other half in the buffer. If the next function called is [`next_u32`] +/// then the other half is then consumed, however both [`next_u64`] and +/// [`fill_bytes`] discard the rest of any half-consumed `u64`s when called. +/// +/// [`fill_bytes`] and [`try_fill_bytes`] consume a whole number of `u64` +/// values. If the requested length is not a multiple of 8, some bytes will be +/// discarded. +/// +/// [`next_u32`]: RngCore::next_u32 +/// [`next_u64`]: RngCore::next_u64 +/// [`fill_bytes`]: RngCore::fill_bytes +/// [`try_fill_bytes`]: RngCore::try_fill_bytes +</span><span class="attribute">#[derive(Clone)] +#[cfg_attr(feature = <span class="string">"serde1"</span>, derive(Serialize, Deserialize))] +</span><span class="kw">pub struct </span>BlockRng64<R: BlockRngCore + <span class="question-mark">?</span>Sized> { + results: R::Results, + index: usize, + half_used: bool, <span class="comment">// true if only half of the previous result is used + </span><span class="doccomment">/// The *core* part of the RNG, implementing the `generate` function. + </span><span class="kw">pub </span>core: R, +} + +<span class="comment">// Custom Debug implementation that does not expose the contents of `results`. +</span><span class="kw">impl</span><R: BlockRngCore + fmt::Debug> fmt::Debug <span class="kw">for </span>BlockRng64<R> { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + fmt.debug_struct(<span class="string">"BlockRng64"</span>) + .field(<span class="string">"core"</span>, <span class="kw-2">&</span><span class="self">self</span>.core) + .field(<span class="string">"result_len"</span>, <span class="kw-2">&</span><span class="self">self</span>.results.as_ref().len()) + .field(<span class="string">"index"</span>, <span class="kw-2">&</span><span class="self">self</span>.index) + .field(<span class="string">"half_used"</span>, <span class="kw-2">&</span><span class="self">self</span>.half_used) + .finish() + } +} + +<span class="kw">impl</span><R: BlockRngCore> BlockRng64<R> { + <span class="doccomment">/// Create a new `BlockRng` from an existing RNG implementing + /// `BlockRngCore`. Results will be generated on first use. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>new(core: R) -> BlockRng64<R> { + <span class="kw">let </span>results_empty = R::Results::default(); + BlockRng64 { + core, + index: results_empty.as_ref().len(), + half_used: <span class="bool-val">false</span>, + results: results_empty, + } + } + + <span class="doccomment">/// Get the index into the result buffer. + /// + /// If this is equal to or larger than the size of the result buffer then + /// the buffer is "empty" and `generate()` must be called to produce new + /// results. + </span><span class="attribute">#[inline(always)] + </span><span class="kw">pub fn </span>index(<span class="kw-2">&</span><span class="self">self</span>) -> usize { + <span class="self">self</span>.index + } + + <span class="doccomment">/// Reset the number of available results. + /// This will force a new set of results to be generated on next use. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>reset(<span class="kw-2">&mut </span><span class="self">self</span>) { + <span class="self">self</span>.index = <span class="self">self</span>.results.as_ref().len(); + <span class="self">self</span>.half_used = <span class="bool-val">false</span>; + } + + <span class="doccomment">/// Generate a new set of results immediately, setting the index to the + /// given value. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>generate_and_set(<span class="kw-2">&mut </span><span class="self">self</span>, index: usize) { + <span class="macro">assert!</span>(index < <span class="self">self</span>.results.as_ref().len()); + <span class="self">self</span>.core.generate(<span class="kw-2">&mut </span><span class="self">self</span>.results); + <span class="self">self</span>.index = index; + <span class="self">self</span>.half_used = <span class="bool-val">false</span>; + } +} + +<span class="kw">impl</span><R: BlockRngCore<Item = u64>> RngCore <span class="kw">for </span>BlockRng64<R> +<span class="kw">where + </span><R <span class="kw">as </span>BlockRngCore>::Results: AsRef<[u64]> + AsMut<[u64]>, +{ + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + <span class="kw">let </span><span class="kw-2">mut </span>index = <span class="self">self</span>.index - <span class="self">self</span>.half_used <span class="kw">as </span>usize; + <span class="kw">if </span>index >= <span class="self">self</span>.results.as_ref().len() { + <span class="self">self</span>.core.generate(<span class="kw-2">&mut </span><span class="self">self</span>.results); + <span class="self">self</span>.index = <span class="number">0</span>; + index = <span class="number">0</span>; + <span class="comment">// `self.half_used` is by definition `false` + </span><span class="self">self</span>.half_used = <span class="bool-val">false</span>; + } + + <span class="kw">let </span>shift = <span class="number">32 </span>* (<span class="self">self</span>.half_used <span class="kw">as </span>usize); + + <span class="self">self</span>.half_used = !<span class="self">self</span>.half_used; + <span class="self">self</span>.index += <span class="self">self</span>.half_used <span class="kw">as </span>usize; + + (<span class="self">self</span>.results.as_ref()[index] >> shift) <span class="kw">as </span>u32 + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + <span class="kw">if </span><span class="self">self</span>.index >= <span class="self">self</span>.results.as_ref().len() { + <span class="self">self</span>.core.generate(<span class="kw-2">&mut </span><span class="self">self</span>.results); + <span class="self">self</span>.index = <span class="number">0</span>; + } + + <span class="kw">let </span>value = <span class="self">self</span>.results.as_ref()[<span class="self">self</span>.index]; + <span class="self">self</span>.index += <span class="number">1</span>; + <span class="self">self</span>.half_used = <span class="bool-val">false</span>; + value + } + + <span class="attribute">#[inline] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span><span class="kw-2">mut </span>read_len = <span class="number">0</span>; + <span class="self">self</span>.half_used = <span class="bool-val">false</span>; + <span class="kw">while </span>read_len < dest.len() { + <span class="kw">if </span><span class="self">self</span>.index <span class="kw">as </span>usize >= <span class="self">self</span>.results.as_ref().len() { + <span class="self">self</span>.core.generate(<span class="kw-2">&mut </span><span class="self">self</span>.results); + <span class="self">self</span>.index = <span class="number">0</span>; + } + + <span class="kw">let </span>(consumed_u64, filled_u8) = fill_via_u64_chunks( + <span class="kw-2">&</span><span class="self">self</span>.results.as_ref()[<span class="self">self</span>.index <span class="kw">as </span>usize..], + <span class="kw-2">&mut </span>dest[read_len..], + ); + + <span class="self">self</span>.index += consumed_u64; + read_len += filled_u8; + } + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + <span class="self">self</span>.fill_bytes(dest); + <span class="prelude-val">Ok</span>(()) + } +} + +<span class="kw">impl</span><R: BlockRngCore + SeedableRng> SeedableRng <span class="kw">for </span>BlockRng64<R> { + <span class="kw">type </span>Seed = R::Seed; + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(R::from_seed(seed)) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>seed_from_u64(seed: u64) -> <span class="self">Self </span>{ + <span class="self">Self</span>::new(R::seed_from_u64(seed)) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>from_rng<S: RngCore>(rng: S) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> { + <span class="prelude-val">Ok</span>(<span class="self">Self</span>::new(R::from_rng(rng)<span class="question-mark">?</span>)) + } +} + +<span class="kw">impl</span><R: BlockRngCore + CryptoRng> CryptoRng <span class="kw">for </span>BlockRng<R> {} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use crate</span>::{SeedableRng, RngCore}; + <span class="kw">use </span><span class="kw">crate</span>::block::{BlockRng, BlockRng64, BlockRngCore}; + + <span class="attribute">#[derive(Debug, Clone)] + </span><span class="kw">struct </span>DummyRng { + counter: u32, + } + + <span class="kw">impl </span>BlockRngCore <span class="kw">for </span>DummyRng { + <span class="kw">type </span>Item = u32; + + <span class="kw">type </span>Results = [u32; <span class="number">16</span>]; + + <span class="kw">fn </span>generate(<span class="kw-2">&mut </span><span class="self">self</span>, results: <span class="kw-2">&mut </span><span class="self">Self</span>::Results) { + <span class="kw">for </span>r <span class="kw">in </span>results { + <span class="kw-2">*</span>r = <span class="self">self</span>.counter; + <span class="self">self</span>.counter = <span class="self">self</span>.counter.wrapping_add(<span class="number">3511615421</span>); + } + } + } + + <span class="kw">impl </span>SeedableRng <span class="kw">for </span>DummyRng { + <span class="kw">type </span>Seed = [u8; <span class="number">4</span>]; + + <span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + DummyRng { counter: u32::from_le_bytes(seed) } + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>blockrng_next_u32_vs_next_u64() { + <span class="kw">let </span><span class="kw-2">mut </span>rng1 = BlockRng::<DummyRng>::from_seed([<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>]); + <span class="kw">let </span><span class="kw-2">mut </span>rng2 = rng1.clone(); + <span class="kw">let </span><span class="kw-2">mut </span>rng3 = rng1.clone(); + + <span class="kw">let </span><span class="kw-2">mut </span>a = [<span class="number">0</span>; <span class="number">16</span>]; + (<span class="kw-2">&mut </span>a[..<span class="number">4</span>]).copy_from_slice(<span class="kw-2">&</span>rng1.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>a[<span class="number">4</span>..<span class="number">12</span>]).copy_from_slice(<span class="kw-2">&</span>rng1.next_u64().to_le_bytes()); + (<span class="kw-2">&mut </span>a[<span class="number">12</span>..]).copy_from_slice(<span class="kw-2">&</span>rng1.next_u32().to_le_bytes()); + + <span class="kw">let </span><span class="kw-2">mut </span>b = [<span class="number">0</span>; <span class="number">16</span>]; + (<span class="kw-2">&mut </span>b[..<span class="number">4</span>]).copy_from_slice(<span class="kw-2">&</span>rng2.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>b[<span class="number">4</span>..<span class="number">8</span>]).copy_from_slice(<span class="kw-2">&</span>rng2.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>b[<span class="number">8</span>..]).copy_from_slice(<span class="kw-2">&</span>rng2.next_u64().to_le_bytes()); + <span class="macro">assert_eq!</span>(a, b); + + <span class="kw">let </span><span class="kw-2">mut </span>c = [<span class="number">0</span>; <span class="number">16</span>]; + (<span class="kw-2">&mut </span>c[..<span class="number">8</span>]).copy_from_slice(<span class="kw-2">&</span>rng3.next_u64().to_le_bytes()); + (<span class="kw-2">&mut </span>c[<span class="number">8</span>..<span class="number">12</span>]).copy_from_slice(<span class="kw-2">&</span>rng3.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>c[<span class="number">12</span>..]).copy_from_slice(<span class="kw-2">&</span>rng3.next_u32().to_le_bytes()); + <span class="macro">assert_eq!</span>(a, c); + } + + <span class="attribute">#[derive(Debug, Clone)] + </span><span class="kw">struct </span>DummyRng64 { + counter: u64, + } + + <span class="kw">impl </span>BlockRngCore <span class="kw">for </span>DummyRng64 { + <span class="kw">type </span>Item = u64; + + <span class="kw">type </span>Results = [u64; <span class="number">8</span>]; + + <span class="kw">fn </span>generate(<span class="kw-2">&mut </span><span class="self">self</span>, results: <span class="kw-2">&mut </span><span class="self">Self</span>::Results) { + <span class="kw">for </span>r <span class="kw">in </span>results { + <span class="kw-2">*</span>r = <span class="self">self</span>.counter; + <span class="self">self</span>.counter = <span class="self">self</span>.counter.wrapping_add(<span class="number">2781463553396133981</span>); + } + } + } + + <span class="kw">impl </span>SeedableRng <span class="kw">for </span>DummyRng64 { + <span class="kw">type </span>Seed = [u8; <span class="number">8</span>]; + + <span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + DummyRng64 { counter: u64::from_le_bytes(seed) } + } + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>blockrng64_next_u32_vs_next_u64() { + <span class="kw">let </span><span class="kw-2">mut </span>rng1 = BlockRng64::<DummyRng64>::from_seed([<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>]); + <span class="kw">let </span><span class="kw-2">mut </span>rng2 = rng1.clone(); + <span class="kw">let </span><span class="kw-2">mut </span>rng3 = rng1.clone(); + + <span class="kw">let </span><span class="kw-2">mut </span>a = [<span class="number">0</span>; <span class="number">16</span>]; + (<span class="kw-2">&mut </span>a[..<span class="number">4</span>]).copy_from_slice(<span class="kw-2">&</span>rng1.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>a[<span class="number">4</span>..<span class="number">12</span>]).copy_from_slice(<span class="kw-2">&</span>rng1.next_u64().to_le_bytes()); + (<span class="kw-2">&mut </span>a[<span class="number">12</span>..]).copy_from_slice(<span class="kw-2">&</span>rng1.next_u32().to_le_bytes()); + + <span class="kw">let </span><span class="kw-2">mut </span>b = [<span class="number">0</span>; <span class="number">16</span>]; + (<span class="kw-2">&mut </span>b[..<span class="number">4</span>]).copy_from_slice(<span class="kw-2">&</span>rng2.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>b[<span class="number">4</span>..<span class="number">8</span>]).copy_from_slice(<span class="kw-2">&</span>rng2.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>b[<span class="number">8</span>..]).copy_from_slice(<span class="kw-2">&</span>rng2.next_u64().to_le_bytes()); + <span class="macro">assert_ne!</span>(a, b); + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>a[..<span class="number">4</span>], <span class="kw-2">&</span>b[..<span class="number">4</span>]); + <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>a[<span class="number">4</span>..<span class="number">12</span>], <span class="kw-2">&</span>b[<span class="number">8</span>..]); + + <span class="kw">let </span><span class="kw-2">mut </span>c = [<span class="number">0</span>; <span class="number">16</span>]; + (<span class="kw-2">&mut </span>c[..<span class="number">8</span>]).copy_from_slice(<span class="kw-2">&</span>rng3.next_u64().to_le_bytes()); + (<span class="kw-2">&mut </span>c[<span class="number">8</span>..<span class="number">12</span>]).copy_from_slice(<span class="kw-2">&</span>rng3.next_u32().to_le_bytes()); + (<span class="kw-2">&mut </span>c[<span class="number">12</span>..]).copy_from_slice(<span class="kw-2">&</span>rng3.next_u32().to_le_bytes()); + <span class="macro">assert_eq!</span>(b, c); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/error.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/error.rs.html new file mode 100644 index 0000000..5d08008 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/error.rs.html @@ -0,0 +1,459 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.4/src/error.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>error.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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id="227">227</span> +<span id="228">228</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Error types + +</span><span class="kw">use </span>core::fmt; +<span class="kw">use </span>core::num::NonZeroU32; + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] </span><span class="kw">use </span>std::boxed::Box; + +<span class="doccomment">/// Error type of random number generators +/// +/// In order to be compatible with `std` and `no_std`, this type has two +/// possible implementations: with `std` a boxed `Error` trait object is stored, +/// while with `no_std` we merely store an error code. +</span><span class="kw">pub struct </span>Error { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>inner: Box<<span class="kw">dyn </span>std::error::Error + Send + Sync + <span class="lifetime">'static</span>>, + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + </span>code: NonZeroU32, +} + +<span class="kw">impl </span>Error { + <span class="doccomment">/// Codes at or above this point can be used by users to define their own + /// custom errors. + /// + /// This has a fixed value of `(1 << 31) + (1 << 30) = 0xC000_0000`, + /// therefore the number of values available for custom codes is `1 << 30`. + /// + /// This is identical to [`getrandom::Error::CUSTOM_START`](https://docs.rs/getrandom/latest/getrandom/struct.Error.html#associatedconstant.CUSTOM_START). + </span><span class="kw">pub const </span>CUSTOM_START: u32 = (<span class="number">1 </span><< <span class="number">31</span>) + (<span class="number">1 </span><< <span class="number">30</span>); + <span class="doccomment">/// Codes below this point represent OS Errors (i.e. positive i32 values). + /// Codes at or above this point, but below [`Error::CUSTOM_START`] are + /// reserved for use by the `rand` and `getrandom` crates. + /// + /// This is identical to [`getrandom::Error::INTERNAL_START`](https://docs.rs/getrandom/latest/getrandom/struct.Error.html#associatedconstant.INTERNAL_START). + </span><span class="kw">pub const </span>INTERNAL_START: u32 = <span class="number">1 </span><< <span class="number">31</span>; + + <span class="doccomment">/// Construct from any type supporting `std::error::Error` + /// + /// Available only when configured with `std`. + /// + /// See also `From<NonZeroU32>`, which is available with and without `std`. + </span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std"</span>)))] + #[inline] + </span><span class="kw">pub fn </span>new<E>(err: E) -> <span class="self">Self + </span><span class="kw">where + </span>E: Into<Box<<span class="kw">dyn </span>std::error::Error + Send + Sync + <span class="lifetime">'static</span>>>, + { + Error { inner: err.into() } + } + + <span class="doccomment">/// Reference the inner error (`std` only) + /// + /// When configured with `std`, this is a trivial operation and never + /// panics. Without `std`, this method is simply unavailable. + </span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std"</span>)))] + #[inline] + </span><span class="kw">pub fn </span>inner(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>(<span class="kw">dyn </span>std::error::Error + Send + Sync + <span class="lifetime">'static</span>) { + <span class="kw-2">&*</span><span class="self">self</span>.inner + } + + <span class="doccomment">/// Unwrap the inner error (`std` only) + /// + /// When configured with `std`, this is a trivial operation and never + /// panics. Without `std`, this method is simply unavailable. + </span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"std"</span>)))] + #[inline] + </span><span class="kw">pub fn </span>take_inner(<span class="self">self</span>) -> Box<<span class="kw">dyn </span>std::error::Error + Send + Sync + <span class="lifetime">'static</span>> { + <span class="self">self</span>.inner + } + + <span class="doccomment">/// Extract the raw OS error code (if this error came from the OS) + /// + /// This method is identical to `std::io::Error::raw_os_error()`, except + /// that it works in `no_std` contexts. If this method returns `None`, the + /// error value can still be formatted via the `Display` implementation. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>raw_os_error(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><i32> { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>{ + <span class="kw">if let </span><span class="prelude-val">Some</span>(e) = <span class="self">self</span>.inner.downcast_ref::<std::io::Error>() { + <span class="kw">return </span>e.raw_os_error(); + } + } + <span class="kw">match </span><span class="self">self</span>.code() { + <span class="prelude-val">Some</span>(code) <span class="kw">if </span>u32::from(code) < <span class="self">Self</span>::INTERNAL_START => <span class="prelude-val">Some</span>(u32::from(code) <span class="kw">as </span>i32), + <span class="kw">_ </span>=> <span class="prelude-val">None</span>, + } + } + + <span class="doccomment">/// Retrieve the error code, if any. + /// + /// If this `Error` was constructed via `From<NonZeroU32>`, then this method + /// will return this `NonZeroU32` code (for `no_std` this is always the + /// case). Otherwise, this method will return `None`. + </span><span class="attribute">#[inline] + </span><span class="kw">pub fn </span>code(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><NonZeroU32> { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>{ + <span class="self">self</span>.inner.downcast_ref::<ErrorCode>().map(|c| c.<span class="number">0</span>) + } + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + </span>{ + <span class="prelude-val">Some</span>(<span class="self">self</span>.code) + } + } +} + +<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Error { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>{ + <span class="macro">write!</span>(f, <span class="string">"Error {{ inner: {:?} }}"</span>, <span class="self">self</span>.inner) + } + <span class="attribute">#[cfg(all(feature = <span class="string">"getrandom"</span>, not(feature = <span class="string">"std"</span>)))] + </span>{ + getrandom::Error::from(<span class="self">self</span>.code).fmt(f) + } + <span class="attribute">#[cfg(not(feature = <span class="string">"getrandom"</span>))] + </span>{ + <span class="macro">write!</span>(f, <span class="string">"Error {{ code: {} }}"</span>, <span class="self">self</span>.code) + } + } +} + +<span class="kw">impl </span>fmt::Display <span class="kw">for </span>Error { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>{ + <span class="macro">write!</span>(f, <span class="string">"{}"</span>, <span class="self">self</span>.inner) + } + <span class="attribute">#[cfg(all(feature = <span class="string">"getrandom"</span>, not(feature = <span class="string">"std"</span>)))] + </span>{ + getrandom::Error::from(<span class="self">self</span>.code).fmt(f) + } + <span class="attribute">#[cfg(not(feature = <span class="string">"getrandom"</span>))] + </span>{ + <span class="macro">write!</span>(f, <span class="string">"error code {}"</span>, <span class="self">self</span>.code) + } + } +} + +<span class="kw">impl </span>From<NonZeroU32> <span class="kw">for </span>Error { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from(code: NonZeroU32) -> <span class="self">Self </span>{ + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>{ + Error { + inner: Box::new(ErrorCode(code)), + } + } + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + </span>{ + Error { code } + } + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"getrandom"</span>)] +</span><span class="kw">impl </span>From<getrandom::Error> <span class="kw">for </span>Error { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from(error: getrandom::Error) -> <span class="self">Self </span>{ + <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] + </span>{ + Error { + inner: Box::new(error), + } + } + <span class="attribute">#[cfg(not(feature = <span class="string">"std"</span>))] + </span>{ + Error { code: error.code() } + } + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>std::error::Error <span class="kw">for </span>Error { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>source(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>(<span class="kw">dyn </span>std::error::Error + <span class="lifetime">'static</span>)> { + <span class="self">self</span>.inner.source() + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>From<Error> <span class="kw">for </span>std::io::Error { + <span class="attribute">#[inline] + </span><span class="kw">fn </span>from(error: Error) -> <span class="self">Self </span>{ + <span class="kw">if let </span><span class="prelude-val">Some</span>(code) = error.raw_os_error() { + std::io::Error::from_raw_os_error(code) + } <span class="kw">else </span>{ + std::io::Error::new(std::io::ErrorKind::Other, error) + } + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +#[derive(Debug, Copy, Clone)] +</span><span class="kw">struct </span>ErrorCode(NonZeroU32); + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>fmt::Display <span class="kw">for </span>ErrorCode { + <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { + <span class="macro">write!</span>(f, <span class="string">"error code {}"</span>, <span class="self">self</span>.<span class="number">0</span>) + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>std::error::Error <span class="kw">for </span>ErrorCode {} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="attribute">#[cfg(feature = <span class="string">"getrandom"</span>)] + #[test] + </span><span class="kw">fn </span>test_error_codes() { + <span class="comment">// Make sure the values are the same as in `getrandom`. + </span><span class="macro">assert_eq!</span>(<span class="kw">super</span>::Error::CUSTOM_START, getrandom::Error::CUSTOM_START); + <span class="macro">assert_eq!</span>(<span class="kw">super</span>::Error::INTERNAL_START, getrandom::Error::INTERNAL_START); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/impls.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/impls.rs.html new file mode 100644 index 0000000..e42bd6d --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/impls.rs.html @@ -0,0 +1,417 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.4/src/impls.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>impls.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Helper functions for implementing `RngCore` functions. +//! +//! For cross-platform reproducibility, these functions all use Little Endian: +//! least-significant part first. For example, `next_u64_via_u32` takes `u32` +//! values `x, y`, then outputs `(y << 32) | x`. To implement `next_u32` +//! from `next_u64` in little-endian order, one should use `next_u64() as u32`. +//! +//! Byte-swapping (like the std `to_le` functions) is only needed to convert +//! to/from byte sequences, and since its purpose is reproducibility, +//! non-reproducible sources (e.g. `OsRng`) need not bother with it. + +</span><span class="kw">use </span><span class="kw">crate</span>::RngCore; +<span class="kw">use </span>core::cmp::min; + +<span class="doccomment">/// Implement `next_u64` via `next_u32`, little-endian order. +</span><span class="kw">pub fn </span>next_u64_via_u32<R: RngCore + <span class="question-mark">?</span>Sized>(rng: <span class="kw-2">&mut </span>R) -> u64 { + <span class="comment">// Use LE; we explicitly generate one value before the next. + </span><span class="kw">let </span>x = u64::from(rng.next_u32()); + <span class="kw">let </span>y = u64::from(rng.next_u32()); + (y << <span class="number">32</span>) | x +} + +<span class="doccomment">/// Implement `fill_bytes` via `next_u64` and `next_u32`, little-endian order. +/// +/// The fastest way to fill a slice is usually to work as long as possible with +/// integers. That is why this method mostly uses `next_u64`, and only when +/// there are 4 or less bytes remaining at the end of the slice it uses +/// `next_u32` once. +</span><span class="kw">pub fn </span>fill_bytes_via_next<R: RngCore + <span class="question-mark">?</span>Sized>(rng: <span class="kw-2">&mut </span>R, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">let </span><span class="kw-2">mut </span>left = dest; + <span class="kw">while </span>left.len() >= <span class="number">8 </span>{ + <span class="kw">let </span>(l, r) = { left }.split_at_mut(<span class="number">8</span>); + left = r; + <span class="kw">let </span>chunk: [u8; <span class="number">8</span>] = rng.next_u64().to_le_bytes(); + l.copy_from_slice(<span class="kw-2">&</span>chunk); + } + <span class="kw">let </span>n = left.len(); + <span class="kw">if </span>n > <span class="number">4 </span>{ + <span class="kw">let </span>chunk: [u8; <span class="number">8</span>] = rng.next_u64().to_le_bytes(); + left.copy_from_slice(<span class="kw-2">&</span>chunk[..n]); + } <span class="kw">else if </span>n > <span class="number">0 </span>{ + <span class="kw">let </span>chunk: [u8; <span class="number">4</span>] = rng.next_u32().to_le_bytes(); + left.copy_from_slice(<span class="kw-2">&</span>chunk[..n]); + } +} + +<span class="kw">trait </span>Observable: Copy { + <span class="kw">type </span>Bytes: AsRef<[u8]>; + <span class="kw">fn </span>to_le_bytes(<span class="self">self</span>) -> <span class="self">Self</span>::Bytes; + + <span class="comment">// Contract: observing self is memory-safe (implies no uninitialised padding) + </span><span class="kw">fn </span>as_byte_slice(x: <span class="kw-2">&</span>[<span class="self">Self</span>]) -> <span class="kw-2">&</span>[u8]; +} +<span class="kw">impl </span>Observable <span class="kw">for </span>u32 { + <span class="kw">type </span>Bytes = [u8; <span class="number">4</span>]; + <span class="kw">fn </span>to_le_bytes(<span class="self">self</span>) -> <span class="self">Self</span>::Bytes { + <span class="self">self</span>.to_le_bytes() + } + <span class="kw">fn </span>as_byte_slice(x: <span class="kw-2">&</span>[<span class="self">Self</span>]) -> <span class="kw-2">&</span>[u8] { + <span class="kw">let </span>ptr = x.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span>u8; + <span class="kw">let </span>len = x.len() * core::mem::size_of::<<span class="self">Self</span>>(); + <span class="kw">unsafe </span>{ core::slice::from_raw_parts(ptr, len) } + } +} +<span class="kw">impl </span>Observable <span class="kw">for </span>u64 { + <span class="kw">type </span>Bytes = [u8; <span class="number">8</span>]; + <span class="kw">fn </span>to_le_bytes(<span class="self">self</span>) -> <span class="self">Self</span>::Bytes { + <span class="self">self</span>.to_le_bytes() + } + <span class="kw">fn </span>as_byte_slice(x: <span class="kw-2">&</span>[<span class="self">Self</span>]) -> <span class="kw-2">&</span>[u8] { + <span class="kw">let </span>ptr = x.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span>u8; + <span class="kw">let </span>len = x.len() * core::mem::size_of::<<span class="self">Self</span>>(); + <span class="kw">unsafe </span>{ core::slice::from_raw_parts(ptr, len) } + } +} + +<span class="kw">fn </span>fill_via_chunks<T: Observable>(src: <span class="kw-2">&</span>[T], dest: <span class="kw-2">&mut </span>[u8]) -> (usize, usize) { + <span class="kw">let </span>size = core::mem::size_of::<T>(); + <span class="kw">let </span>byte_len = min(src.len() * size, dest.len()); + <span class="kw">let </span>num_chunks = (byte_len + size - <span class="number">1</span>) / size; + + <span class="kw">if </span><span class="macro">cfg!</span>(target_endian = <span class="string">"little"</span>) { + <span class="comment">// On LE we can do a simple copy, which is 25-50% faster: + </span>dest[..byte_len].copy_from_slice(<span class="kw-2">&</span>T::as_byte_slice(<span class="kw-2">&</span>src[..num_chunks])[..byte_len]); + } <span class="kw">else </span>{ + <span class="comment">// This code is valid on all arches, but slower than the above: + </span><span class="kw">let </span><span class="kw-2">mut </span>i = <span class="number">0</span>; + <span class="kw">let </span><span class="kw-2">mut </span>iter = dest[..byte_len].chunks_exact_mut(size); + <span class="kw">for </span>chunk <span class="kw">in </span><span class="kw-2">&mut </span>iter { + chunk.copy_from_slice(src[i].to_le_bytes().as_ref()); + i += <span class="number">1</span>; + } + <span class="kw">let </span>chunk = iter.into_remainder(); + <span class="kw">if </span>!chunk.is_empty() { + chunk.copy_from_slice(<span class="kw-2">&</span>src[i].to_le_bytes().as_ref()[..chunk.len()]); + } + } + + (num_chunks, byte_len) +} + +<span class="doccomment">/// Implement `fill_bytes` by reading chunks from the output buffer of a block +/// based RNG. +/// +/// The return values are `(consumed_u32, filled_u8)`. +/// +/// `filled_u8` is the number of filled bytes in `dest`, which may be less than +/// the length of `dest`. +/// `consumed_u32` is the number of words consumed from `src`, which is the same +/// as `filled_u8 / 4` rounded up. +/// +/// # Example +/// (from `IsaacRng`) +/// +/// ```ignore +/// fn fill_bytes(&mut self, dest: &mut [u8]) { +/// let mut read_len = 0; +/// while read_len < dest.len() { +/// if self.index >= self.rsl.len() { +/// self.isaac(); +/// } +/// +/// let (consumed_u32, filled_u8) = +/// impls::fill_via_u32_chunks(&mut self.rsl[self.index..], +/// &mut dest[read_len..]); +/// +/// self.index += consumed_u32; +/// read_len += filled_u8; +/// } +/// } +/// ``` +</span><span class="kw">pub fn </span>fill_via_u32_chunks(src: <span class="kw-2">&</span>[u32], dest: <span class="kw-2">&mut </span>[u8]) -> (usize, usize) { + fill_via_chunks(src, dest) +} + +<span class="doccomment">/// Implement `fill_bytes` by reading chunks from the output buffer of a block +/// based RNG. +/// +/// The return values are `(consumed_u64, filled_u8)`. +/// `filled_u8` is the number of filled bytes in `dest`, which may be less than +/// the length of `dest`. +/// `consumed_u64` is the number of words consumed from `src`, which is the same +/// as `filled_u8 / 8` rounded up. +/// +/// See `fill_via_u32_chunks` for an example. +</span><span class="kw">pub fn </span>fill_via_u64_chunks(src: <span class="kw-2">&</span>[u64], dest: <span class="kw-2">&mut </span>[u8]) -> (usize, usize) { + fill_via_chunks(src, dest) +} + +<span class="doccomment">/// Implement `next_u32` via `fill_bytes`, little-endian order. +</span><span class="kw">pub fn </span>next_u32_via_fill<R: RngCore + <span class="question-mark">?</span>Sized>(rng: <span class="kw-2">&mut </span>R) -> u32 { + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0</span>; <span class="number">4</span>]; + rng.fill_bytes(<span class="kw-2">&mut </span>buf); + u32::from_le_bytes(buf) +} + +<span class="doccomment">/// Implement `next_u64` via `fill_bytes`, little-endian order. +</span><span class="kw">pub fn </span>next_u64_via_fill<R: RngCore + <span class="question-mark">?</span>Sized>(rng: <span class="kw-2">&mut </span>R) -> u64 { + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0</span>; <span class="number">8</span>]; + rng.fill_bytes(<span class="kw-2">&mut </span>buf); + u64::from_le_bytes(buf) +} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_fill_via_u32_chunks() { + <span class="kw">let </span>src = [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>dst = [<span class="number">0u8</span>; <span class="number">11</span>]; + <span class="macro">assert_eq!</span>(fill_via_u32_chunks(<span class="kw-2">&</span>src, <span class="kw-2">&mut </span>dst), (<span class="number">3</span>, <span class="number">11</span>)); + <span class="macro">assert_eq!</span>(dst, [<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>]); + + <span class="kw">let </span><span class="kw-2">mut </span>dst = [<span class="number">0u8</span>; <span class="number">13</span>]; + <span class="macro">assert_eq!</span>(fill_via_u32_chunks(<span class="kw-2">&</span>src, <span class="kw-2">&mut </span>dst), (<span class="number">3</span>, <span class="number">12</span>)); + <span class="macro">assert_eq!</span>(dst, [<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">3</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>]); + + <span class="kw">let </span><span class="kw-2">mut </span>dst = [<span class="number">0u8</span>; <span class="number">5</span>]; + <span class="macro">assert_eq!</span>(fill_via_u32_chunks(<span class="kw-2">&</span>src, <span class="kw-2">&mut </span>dst), (<span class="number">2</span>, <span class="number">5</span>)); + <span class="macro">assert_eq!</span>(dst, [<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>]); + } + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_fill_via_u64_chunks() { + <span class="kw">let </span>src = [<span class="number">1</span>, <span class="number">2</span>]; + <span class="kw">let </span><span class="kw-2">mut </span>dst = [<span class="number">0u8</span>; <span class="number">11</span>]; + <span class="macro">assert_eq!</span>(fill_via_u64_chunks(<span class="kw-2">&</span>src, <span class="kw-2">&mut </span>dst), (<span class="number">2</span>, <span class="number">11</span>)); + <span class="macro">assert_eq!</span>(dst, [<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>]); + + <span class="kw">let </span><span class="kw-2">mut </span>dst = [<span class="number">0u8</span>; <span class="number">17</span>]; + <span class="macro">assert_eq!</span>(fill_via_u64_chunks(<span class="kw-2">&</span>src, <span class="kw-2">&mut </span>dst), (<span class="number">2</span>, <span class="number">16</span>)); + <span class="macro">assert_eq!</span>(dst, [<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>]); + + <span class="kw">let </span><span class="kw-2">mut </span>dst = [<span class="number">0u8</span>; <span class="number">5</span>]; + <span class="macro">assert_eq!</span>(fill_via_u64_chunks(<span class="kw-2">&</span>src, <span class="kw-2">&mut </span>dst), (<span class="number">1</span>, <span class="number">5</span>)); + <span class="macro">assert_eq!</span>(dst, [<span class="number">1</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>]); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/le.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/le.rs.html new file mode 100644 index 0000000..119a894 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/le.rs.html @@ -0,0 +1,115 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.4/src/le.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>le.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../rand_core/index.html"> + <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span id="38">38</span> +<span id="39">39</span> +<span id="40">40</span> +<span id="41">41</span> +<span id="42">42</span> +<span id="43">43</span> +<span id="44">44</span> +<span id="45">45</span> +<span id="46">46</span> +<span id="47">47</span> +<span id="48">48</span> +<span id="49">49</span> +<span id="50">50</span> +<span id="51">51</span> +<span id="52">52</span> +<span id="53">53</span> +<span id="54">54</span> +<span id="55">55</span> +<span id="56">56</span> +</pre><pre class="rust"><code><span class="comment">// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Little-Endian utilities +//! +//! Little-Endian order has been chosen for internal usage; this makes some +//! useful functions available. + +</span><span class="kw">use </span>core::convert::TryInto; + +<span class="doccomment">/// Reads unsigned 32 bit integers from `src` into `dst`. +</span><span class="attribute">#[inline] +</span><span class="kw">pub fn </span>read_u32_into(src: <span class="kw-2">&</span>[u8], dst: <span class="kw-2">&mut </span>[u32]) { + <span class="macro">assert!</span>(src.len() >= <span class="number">4 </span>* dst.len()); + <span class="kw">for </span>(out, chunk) <span class="kw">in </span>dst.iter_mut().zip(src.chunks_exact(<span class="number">4</span>)) { + <span class="kw-2">*</span>out = u32::from_le_bytes(chunk.try_into().unwrap()); + } +} + +<span class="doccomment">/// Reads unsigned 64 bit integers from `src` into `dst`. +</span><span class="attribute">#[inline] +</span><span class="kw">pub fn </span>read_u64_into(src: <span class="kw-2">&</span>[u8], dst: <span class="kw-2">&mut </span>[u64]) { + <span class="macro">assert!</span>(src.len() >= <span class="number">8 </span>* dst.len()); + <span class="kw">for </span>(out, chunk) <span class="kw">in </span>dst.iter_mut().zip(src.chunks_exact(<span class="number">8</span>)) { + <span class="kw-2">*</span>out = u64::from_le_bytes(chunk.try_into().unwrap()); + } +} + +<span class="attribute">#[test] +</span><span class="kw">fn </span>test_read() { + <span class="kw">let </span>bytes = [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>, <span class="number">12</span>, <span class="number">13</span>, <span class="number">14</span>, <span class="number">15</span>, <span class="number">16</span>]; + + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u32</span>; <span class="number">4</span>]; + read_u32_into(<span class="kw-2">&</span>bytes, <span class="kw-2">&mut </span>buf); + <span class="macro">assert_eq!</span>(buf[<span class="number">0</span>], <span class="number">0x04030201</span>); + <span class="macro">assert_eq!</span>(buf[<span class="number">3</span>], <span class="number">0x100F0E0D</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u32</span>; <span class="number">3</span>]; + read_u32_into(<span class="kw-2">&</span>bytes[<span class="number">1</span>..<span class="number">13</span>], <span class="kw-2">&mut </span>buf); <span class="comment">// unaligned + </span><span class="macro">assert_eq!</span>(buf[<span class="number">0</span>], <span class="number">0x05040302</span>); + <span class="macro">assert_eq!</span>(buf[<span class="number">2</span>], <span class="number">0x0D0C0B0A</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u64</span>; <span class="number">2</span>]; + read_u64_into(<span class="kw-2">&</span>bytes, <span class="kw-2">&mut </span>buf); + <span class="macro">assert_eq!</span>(buf[<span class="number">0</span>], <span class="number">0x0807060504030201</span>); + <span class="macro">assert_eq!</span>(buf[<span class="number">1</span>], <span class="number">0x100F0E0D0C0B0A09</span>); + + <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u64</span>; <span class="number">1</span>]; + read_u64_into(<span class="kw-2">&</span>bytes[<span class="number">7</span>..<span class="number">15</span>], <span class="kw-2">&mut </span>buf); <span class="comment">// unaligned + </span><span class="macro">assert_eq!</span>(buf[<span class="number">0</span>], <span class="number">0x0F0E0D0C0B0A0908</span>); +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/lib.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/lib.rs.html new file mode 100644 index 0000000..b043d23 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/lib.rs.html @@ -0,0 +1,1065 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.4/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Random number generation traits +//! +//! This crate is mainly of interest to crates publishing implementations of +//! [`RngCore`]. Other users are encouraged to use the [`rand`] crate instead +//! which re-exports the main traits and error types. +//! +//! [`RngCore`] is the core trait implemented by algorithmic pseudo-random number +//! generators and external random-number sources. +//! +//! [`SeedableRng`] is an extension trait for construction from fixed seeds and +//! other random number generators. +//! +//! [`Error`] is provided for error-handling. It is safe to use in `no_std` +//! environments. +//! +//! The [`impls`] and [`le`] sub-modules include a few small functions to assist +//! implementation of [`RngCore`]. +//! +//! [`rand`]: https://docs.rs/rand + +</span><span class="attribute">#![doc( + html_logo_url = <span class="string">"https://www.rust-lang.org/logos/rust-logo-128x128-blk.png"</span>, + html_favicon_url = <span class="string">"https://www.rust-lang.org/favicon.ico"</span>, + html_root_url = <span class="string">"https://rust-random.github.io/rand/" +</span>)] +#![deny(missing_docs)] +#![deny(missing_debug_implementations)] +#![doc(test(attr(allow(unused_variables), deny(warnings))))] +#![cfg_attr(doc_cfg, feature(doc_cfg))] +#![no_std] + +</span><span class="kw">use </span>core::convert::AsMut; +<span class="kw">use </span>core::default::Default; + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] </span><span class="kw">extern crate </span>std; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">extern crate </span>alloc; +<span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] </span><span class="kw">use </span>alloc::boxed::Box; + +<span class="kw">pub use </span>error::Error; +<span class="attribute">#[cfg(feature = <span class="string">"getrandom"</span>)] </span><span class="kw">pub use </span>os::OsRng; + + +<span class="kw">pub mod </span>block; +<span class="kw">mod </span>error; +<span class="kw">pub mod </span>impls; +<span class="kw">pub mod </span>le; +<span class="attribute">#[cfg(feature = <span class="string">"getrandom"</span>)] </span><span class="kw">mod </span>os; + + +<span class="doccomment">/// The core of a random number generator. +/// +/// This trait encapsulates the low-level functionality common to all +/// generators, and is the "back end", to be implemented by generators. +/// End users should normally use the `Rng` trait from the [`rand`] crate, +/// which is automatically implemented for every type implementing `RngCore`. +/// +/// Three different methods for generating random data are provided since the +/// optimal implementation of each is dependent on the type of generator. There +/// is no required relationship between the output of each; e.g. many +/// implementations of [`fill_bytes`] consume a whole number of `u32` or `u64` +/// values and drop any remaining unused bytes. The same can happen with the +/// [`next_u32`] and [`next_u64`] methods, implementations may discard some +/// random bits for efficiency. +/// +/// The [`try_fill_bytes`] method is a variant of [`fill_bytes`] allowing error +/// handling; it is not deemed sufficiently useful to add equivalents for +/// [`next_u32`] or [`next_u64`] since the latter methods are almost always used +/// with algorithmic generators (PRNGs), which are normally infallible. +/// +/// Implementers should produce bits uniformly. Pathological RNGs (e.g. always +/// returning the same value, or never setting certain bits) can break rejection +/// sampling used by random distributions, and also break other RNGs when +/// seeding them via [`SeedableRng::from_rng`]. +/// +/// Algorithmic generators implementing [`SeedableRng`] should normally have +/// *portable, reproducible* output, i.e. fix Endianness when converting values +/// to avoid platform differences, and avoid making any changes which affect +/// output (except by communicating that the release has breaking changes). +/// +/// Typically an RNG will implement only one of the methods available +/// in this trait directly, then use the helper functions from the +/// [`impls`] module to implement the other methods. +/// +/// It is recommended that implementations also implement: +/// +/// - `Debug` with a custom implementation which *does not* print any internal +/// state (at least, [`CryptoRng`]s should not risk leaking state through +/// `Debug`). +/// - `Serialize` and `Deserialize` (from Serde), preferably making Serde +/// support optional at the crate level in PRNG libs. +/// - `Clone`, if possible. +/// - *never* implement `Copy` (accidental copies may cause repeated values). +/// - *do not* implement `Default` for pseudorandom generators, but instead +/// implement [`SeedableRng`], to guide users towards proper seeding. +/// External / hardware RNGs can choose to implement `Default`. +/// - `Eq` and `PartialEq` could be implemented, but are probably not useful. +/// +/// # Example +/// +/// A simple example, obviously not generating very *random* output: +/// +/// ``` +/// #![allow(dead_code)] +/// use rand_core::{RngCore, Error, impls}; +/// +/// struct CountingRng(u64); +/// +/// impl RngCore for CountingRng { +/// fn next_u32(&mut self) -> u32 { +/// self.next_u64() as u32 +/// } +/// +/// fn next_u64(&mut self) -> u64 { +/// self.0 += 1; +/// self.0 +/// } +/// +/// fn fill_bytes(&mut self, dest: &mut [u8]) { +/// impls::fill_bytes_via_next(self, dest) +/// } +/// +/// fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> { +/// Ok(self.fill_bytes(dest)) +/// } +/// } +/// ``` +/// +/// [`rand`]: https://docs.rs/rand +/// [`try_fill_bytes`]: RngCore::try_fill_bytes +/// [`fill_bytes`]: RngCore::fill_bytes +/// [`next_u32`]: RngCore::next_u32 +/// [`next_u64`]: RngCore::next_u64 +</span><span class="kw">pub trait </span>RngCore { + <span class="doccomment">/// Return the next random `u32`. + /// + /// RNGs must implement at least one method from this trait directly. In + /// the case this method is not implemented directly, it can be implemented + /// using `self.next_u64() as u32` or via [`impls::next_u32_via_fill`]. + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32; + + <span class="doccomment">/// Return the next random `u64`. + /// + /// RNGs must implement at least one method from this trait directly. In + /// the case this method is not implemented directly, it can be implemented + /// via [`impls::next_u64_via_u32`] or via [`impls::next_u64_via_fill`]. + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64; + + <span class="doccomment">/// Fill `dest` with random data. + /// + /// RNGs must implement at least one method from this trait directly. In + /// the case this method is not implemented directly, it can be implemented + /// via [`impls::fill_bytes_via_next`] or + /// via [`RngCore::try_fill_bytes`]; if this generator can + /// fail the implementation must choose how best to handle errors here + /// (e.g. panic with a descriptive message or log a warning and retry a few + /// times). + /// + /// This method should guarantee that `dest` is entirely filled + /// with new data, and may panic if this is impossible + /// (e.g. reading past the end of a file that is being used as the + /// source of randomness). + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]); + + <span class="doccomment">/// Fill `dest` entirely with random data. + /// + /// This is the only method which allows an RNG to report errors while + /// generating random data thus making this the primary method implemented + /// by external (true) RNGs (e.g. `OsRng`) which can fail. It may be used + /// directly to generate keys and to seed (infallible) PRNGs. + /// + /// Other than error handling, this method is identical to [`RngCore::fill_bytes`]; + /// thus this may be implemented using `Ok(self.fill_bytes(dest))` or + /// `fill_bytes` may be implemented with + /// `self.try_fill_bytes(dest).unwrap()` or more specific error handling. + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error>; +} + +<span class="doccomment">/// A marker trait used to indicate that an [`RngCore`] or [`BlockRngCore`] +/// implementation is supposed to be cryptographically secure. +/// +/// *Cryptographically secure generators*, also known as *CSPRNGs*, should +/// satisfy an additional properties over other generators: given the first +/// *k* bits of an algorithm's output +/// sequence, it should not be possible using polynomial-time algorithms to +/// predict the next bit with probability significantly greater than 50%. +/// +/// Some generators may satisfy an additional property, however this is not +/// required by this trait: if the CSPRNG's state is revealed, it should not be +/// computationally-feasible to reconstruct output prior to this. Some other +/// generators allow backwards-computation and are considered *reversible*. +/// +/// Note that this trait is provided for guidance only and cannot guarantee +/// suitability for cryptographic applications. In general it should only be +/// implemented for well-reviewed code implementing well-regarded algorithms. +/// +/// Note also that use of a `CryptoRng` does not protect against other +/// weaknesses such as seeding from a weak entropy source or leaking state. +/// +/// [`BlockRngCore`]: block::BlockRngCore +</span><span class="kw">pub trait </span>CryptoRng {} + +<span class="doccomment">/// An extension trait that is automatically implemented for any type +/// implementing [`RngCore`] and [`CryptoRng`]. +/// +/// It may be used as a trait object, and supports upcasting to [`RngCore`] via +/// the [`CryptoRngCore::as_rngcore`] method. +/// +/// # Example +/// +/// ``` +/// use rand_core::CryptoRngCore; +/// +/// #[allow(unused)] +/// fn make_token(rng: &mut dyn CryptoRngCore) -> [u8; 32] { +/// let mut buf = [0u8; 32]; +/// rng.fill_bytes(&mut buf); +/// buf +/// } +/// ``` +</span><span class="kw">pub trait </span>CryptoRngCore: CryptoRng + RngCore { + <span class="doccomment">/// Upcast to an [`RngCore`] trait object. + </span><span class="kw">fn </span>as_rngcore(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span><span class="kw">dyn </span>RngCore; +} + +<span class="kw">impl</span><T: CryptoRng + RngCore> CryptoRngCore <span class="kw">for </span>T { + <span class="kw">fn </span>as_rngcore(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span><span class="kw">dyn </span>RngCore { + <span class="self">self + </span>} +} + +<span class="doccomment">/// A random number generator that can be explicitly seeded. +/// +/// This trait encapsulates the low-level functionality common to all +/// pseudo-random number generators (PRNGs, or algorithmic generators). +/// +/// [`rand`]: https://docs.rs/rand +</span><span class="kw">pub trait </span>SeedableRng: Sized { + <span class="doccomment">/// Seed type, which is restricted to types mutably-dereferenceable as `u8` + /// arrays (we recommend `[u8; N]` for some `N`). + /// + /// It is recommended to seed PRNGs with a seed of at least circa 100 bits, + /// which means an array of `[u8; 12]` or greater to avoid picking RNGs with + /// partially overlapping periods. + /// + /// For cryptographic RNG's a seed of 256 bits is recommended, `[u8; 32]`. + /// + /// + /// # Implementing `SeedableRng` for RNGs with large seeds + /// + /// Note that the required traits `core::default::Default` and + /// `core::convert::AsMut<u8>` are not implemented for large arrays + /// `[u8; N]` with `N` > 32. To be able to implement the traits required by + /// `SeedableRng` for RNGs with such large seeds, the newtype pattern can be + /// used: + /// + /// ``` + /// use rand_core::SeedableRng; + /// + /// const N: usize = 64; + /// pub struct MyRngSeed(pub [u8; N]); + /// pub struct MyRng(MyRngSeed); + /// + /// impl Default for MyRngSeed { + /// fn default() -> MyRngSeed { + /// MyRngSeed([0; N]) + /// } + /// } + /// + /// impl AsMut<[u8]> for MyRngSeed { + /// fn as_mut(&mut self) -> &mut [u8] { + /// &mut self.0 + /// } + /// } + /// + /// impl SeedableRng for MyRng { + /// type Seed = MyRngSeed; + /// + /// fn from_seed(seed: MyRngSeed) -> MyRng { + /// MyRng(seed) + /// } + /// } + /// ``` + </span><span class="kw">type </span>Seed: Sized + Default + AsMut<[u8]>; + + <span class="doccomment">/// Create a new PRNG using the given seed. + /// + /// PRNG implementations are allowed to assume that bits in the seed are + /// well distributed. That means usually that the number of one and zero + /// bits are roughly equal, and values like 0, 1 and (size - 1) are unlikely. + /// Note that many non-cryptographic PRNGs will show poor quality output + /// if this is not adhered to. If you wish to seed from simple numbers, use + /// `seed_from_u64` instead. + /// + /// All PRNG implementations should be reproducible unless otherwise noted: + /// given a fixed `seed`, the same sequence of output should be produced + /// on all runs, library versions and architectures (e.g. check endianness). + /// Any "value-breaking" changes to the generator should require bumping at + /// least the minor version and documentation of the change. + /// + /// It is not required that this function yield the same state as a + /// reference implementation of the PRNG given equivalent seed; if necessary + /// another constructor replicating behaviour from a reference + /// implementation can be added. + /// + /// PRNG implementations should make sure `from_seed` never panics. In the + /// case that some special values (like an all zero seed) are not viable + /// seeds it is preferable to map these to alternative constant value(s), + /// for example `0xBAD5EEDu32` or `0x0DDB1A5E5BAD5EEDu64` ("odd biases? bad + /// seed"). This is assuming only a small number of values must be rejected. + </span><span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self</span>; + + <span class="doccomment">/// Create a new PRNG using a `u64` seed. + /// + /// This is a convenience-wrapper around `from_seed` to allow construction + /// of any `SeedableRng` from a simple `u64` value. It is designed such that + /// low Hamming Weight numbers like 0 and 1 can be used and should still + /// result in good, independent seeds to the PRNG which is returned. + /// + /// This **is not suitable for cryptography**, as should be clear given that + /// the input size is only 64 bits. + /// + /// Implementations for PRNGs *may* provide their own implementations of + /// this function, but the default implementation should be good enough for + /// all purposes. *Changing* the implementation of this function should be + /// considered a value-breaking change. + </span><span class="kw">fn </span>seed_from_u64(<span class="kw-2">mut </span>state: u64) -> <span class="self">Self </span>{ + <span class="comment">// We use PCG32 to generate a u32 sequence, and copy to the seed + </span><span class="kw">fn </span>pcg32(state: <span class="kw-2">&mut </span>u64) -> [u8; <span class="number">4</span>] { + <span class="kw">const </span>MUL: u64 = <span class="number">6364136223846793005</span>; + <span class="kw">const </span>INC: u64 = <span class="number">11634580027462260723</span>; + + <span class="comment">// We advance the state first (to get away from the input value, + // in case it has low Hamming Weight). + </span><span class="kw-2">*</span>state = state.wrapping_mul(MUL).wrapping_add(INC); + <span class="kw">let </span>state = <span class="kw-2">*</span>state; + + <span class="comment">// Use PCG output function with to_le to generate x: + </span><span class="kw">let </span>xorshifted = (((state >> <span class="number">18</span>) ^ state) >> <span class="number">27</span>) <span class="kw">as </span>u32; + <span class="kw">let </span>rot = (state >> <span class="number">59</span>) <span class="kw">as </span>u32; + <span class="kw">let </span>x = xorshifted.rotate_right(rot); + x.to_le_bytes() + } + + <span class="kw">let </span><span class="kw-2">mut </span>seed = <span class="self">Self</span>::Seed::default(); + <span class="kw">let </span><span class="kw-2">mut </span>iter = seed.as_mut().chunks_exact_mut(<span class="number">4</span>); + <span class="kw">for </span>chunk <span class="kw">in </span><span class="kw-2">&mut </span>iter { + chunk.copy_from_slice(<span class="kw-2">&</span>pcg32(<span class="kw-2">&mut </span>state)); + } + <span class="kw">let </span>rem = iter.into_remainder(); + <span class="kw">if </span>!rem.is_empty() { + rem.copy_from_slice(<span class="kw-2">&</span>pcg32(<span class="kw-2">&mut </span>state)[..rem.len()]); + } + + <span class="self">Self</span>::from_seed(seed) + } + + <span class="doccomment">/// Create a new PRNG seeded from another `Rng`. + /// + /// This may be useful when needing to rapidly seed many PRNGs from a master + /// PRNG, and to allow forking of PRNGs. It may be considered deterministic. + /// + /// The master PRNG should be at least as high quality as the child PRNGs. + /// When seeding non-cryptographic child PRNGs, we recommend using a + /// different algorithm for the master PRNG (ideally a CSPRNG) to avoid + /// correlations between the child PRNGs. If this is not possible (e.g. + /// forking using small non-crypto PRNGs) ensure that your PRNG has a good + /// mixing function on the output or consider use of a hash function with + /// `from_seed`. + /// + /// Note that seeding `XorShiftRng` from another `XorShiftRng` provides an + /// extreme example of what can go wrong: the new PRNG will be a clone + /// of the parent. + /// + /// PRNG implementations are allowed to assume that a good RNG is provided + /// for seeding, and that it is cryptographically secure when appropriate. + /// As of `rand` 0.7 / `rand_core` 0.5, implementations overriding this + /// method should ensure the implementation satisfies reproducibility + /// (in prior versions this was not required). + /// + /// [`rand`]: https://docs.rs/rand + </span><span class="kw">fn </span>from_rng<R: RngCore>(<span class="kw-2">mut </span>rng: R) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, Error> { + <span class="kw">let </span><span class="kw-2">mut </span>seed = <span class="self">Self</span>::Seed::default(); + rng.try_fill_bytes(seed.as_mut())<span class="question-mark">?</span>; + <span class="prelude-val">Ok</span>(<span class="self">Self</span>::from_seed(seed)) + } + + <span class="doccomment">/// Creates a new instance of the RNG seeded via [`getrandom`]. + /// + /// This method is the recommended way to construct non-deterministic PRNGs + /// since it is convenient and secure. + /// + /// In case the overhead of using [`getrandom`] to seed *many* PRNGs is an + /// issue, one may prefer to seed from a local PRNG, e.g. + /// `from_rng(thread_rng()).unwrap()`. + /// + /// # Panics + /// + /// If [`getrandom`] is unable to provide secure entropy this method will panic. + /// + /// [`getrandom`]: https://docs.rs/getrandom + </span><span class="attribute">#[cfg(feature = <span class="string">"getrandom"</span>)] + #[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"getrandom"</span>)))] + </span><span class="kw">fn </span>from_entropy() -> <span class="self">Self </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>seed = <span class="self">Self</span>::Seed::default(); + <span class="kw">if let </span><span class="prelude-val">Err</span>(err) = getrandom::getrandom(seed.as_mut()) { + <span class="macro">panic!</span>(<span class="string">"from_entropy failed: {}"</span>, err); + } + <span class="self">Self</span>::from_seed(seed) + } +} + +<span class="comment">// Implement `RngCore` for references to an `RngCore`. +// Force inlining all functions, so that it is up to the `RngCore` +// implementation and the optimizer to decide on inlining. +</span><span class="kw">impl</span><<span class="lifetime">'a</span>, R: RngCore + <span class="question-mark">?</span>Sized> RngCore <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>R { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + (<span class="kw-2">**</span><span class="self">self</span>).next_u32() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + (<span class="kw-2">**</span><span class="self">self</span>).next_u64() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + (<span class="kw-2">**</span><span class="self">self</span>).fill_bytes(dest) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + (<span class="kw-2">**</span><span class="self">self</span>).try_fill_bytes(dest) + } +} + +<span class="comment">// Implement `RngCore` for boxed references to an `RngCore`. +// Force inlining all functions, so that it is up to the `RngCore` +// implementation and the optimizer to decide on inlining. +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">impl</span><R: RngCore + <span class="question-mark">?</span>Sized> RngCore <span class="kw">for </span>Box<R> { + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + (<span class="kw-2">**</span><span class="self">self</span>).next_u32() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + (<span class="kw-2">**</span><span class="self">self</span>).next_u64() + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + (<span class="kw-2">**</span><span class="self">self</span>).fill_bytes(dest) + } + + <span class="attribute">#[inline(always)] + </span><span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + (<span class="kw-2">**</span><span class="self">self</span>).try_fill_bytes(dest) + } +} + +<span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] +</span><span class="kw">impl </span>std::io::Read <span class="kw">for dyn </span>RngCore { + <span class="kw">fn </span>read(<span class="kw-2">&mut </span><span class="self">self</span>, buf: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><usize, std::io::Error> { + <span class="self">self</span>.try_fill_bytes(buf)<span class="question-mark">?</span>; + <span class="prelude-val">Ok</span>(buf.len()) + } +} + +<span class="comment">// Implement `CryptoRng` for references to a `CryptoRng`. +</span><span class="kw">impl</span><<span class="lifetime">'a</span>, R: CryptoRng + <span class="question-mark">?</span>Sized> CryptoRng <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>R {} + +<span class="comment">// Implement `CryptoRng` for boxed references to a `CryptoRng`. +</span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] +</span><span class="kw">impl</span><R: CryptoRng + <span class="question-mark">?</span>Sized> CryptoRng <span class="kw">for </span>Box<R> {} + +<span class="attribute">#[cfg(test)] +</span><span class="kw">mod </span>test { + <span class="kw">use super</span>::<span class="kw-2">*</span>; + + <span class="attribute">#[test] + </span><span class="kw">fn </span>test_seed_from_u64() { + <span class="kw">struct </span>SeedableNum(u64); + <span class="kw">impl </span>SeedableRng <span class="kw">for </span>SeedableNum { + <span class="kw">type </span>Seed = [u8; <span class="number">8</span>]; + + <span class="kw">fn </span>from_seed(seed: <span class="self">Self</span>::Seed) -> <span class="self">Self </span>{ + <span class="kw">let </span><span class="kw-2">mut </span>x = [<span class="number">0u64</span>; <span class="number">1</span>]; + le::read_u64_into(<span class="kw-2">&</span>seed, <span class="kw-2">&mut </span>x); + SeedableNum(x[<span class="number">0</span>]) + } + } + + <span class="kw">const </span>N: usize = <span class="number">8</span>; + <span class="kw">const </span>SEEDS: [u64; N] = [<span class="number">0u64</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">8</span>, <span class="number">16</span>, -<span class="number">1i64 </span><span class="kw">as </span>u64]; + <span class="kw">let </span><span class="kw-2">mut </span>results = [<span class="number">0u64</span>; N]; + <span class="kw">for </span>(i, seed) <span class="kw">in </span>SEEDS.iter().enumerate() { + <span class="kw">let </span>SeedableNum(x) = SeedableNum::seed_from_u64(<span class="kw-2">*</span>seed); + results[i] = x; + } + + <span class="kw">for </span>(i1, r1) <span class="kw">in </span>results.iter().enumerate() { + <span class="kw">let </span>weight = r1.count_ones(); + <span class="comment">// This is the binomial distribution B(64, 0.5), so chance of + // weight < 20 is binocdf(19, 64, 0.5) = 7.8e-4, and same for + // weight > 44. + </span><span class="macro">assert!</span>((<span class="number">20</span>..=<span class="number">44</span>).contains(<span class="kw-2">&</span>weight)); + + <span class="kw">for </span>(i2, r2) <span class="kw">in </span>results.iter().enumerate() { + <span class="kw">if </span>i1 == i2 { + <span class="kw">continue</span>; + } + <span class="kw">let </span>diff_weight = (r1 ^ r2).count_ones(); + <span class="macro">assert!</span>(diff_weight >= <span class="number">20</span>); + } + } + + <span class="comment">// value-breakage test: + </span><span class="macro">assert_eq!</span>(results[<span class="number">0</span>], <span class="number">5029875928683246316</span>); + } +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
\ No newline at end of file diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/os.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/os.rs.html new file mode 100644 index 0000000..9a5d873 --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/rand_core/os.rs.html @@ -0,0 +1,173 @@ +<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.4/src/os.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>os.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> +<span id="2">2</span> +<span id="3">3</span> +<span id="4">4</span> +<span id="5">5</span> +<span id="6">6</span> +<span id="7">7</span> +<span id="8">8</span> +<span id="9">9</span> +<span id="10">10</span> +<span id="11">11</span> +<span id="12">12</span> +<span id="13">13</span> +<span id="14">14</span> +<span id="15">15</span> +<span id="16">16</span> +<span id="17">17</span> +<span id="18">18</span> +<span id="19">19</span> +<span id="20">20</span> +<span id="21">21</span> +<span id="22">22</span> +<span id="23">23</span> +<span id="24">24</span> +<span id="25">25</span> +<span id="26">26</span> +<span id="27">27</span> +<span id="28">28</span> +<span id="29">29</span> +<span id="30">30</span> +<span id="31">31</span> +<span id="32">32</span> +<span id="33">33</span> +<span id="34">34</span> +<span id="35">35</span> +<span id="36">36</span> +<span id="37">37</span> +<span 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This file may not be copied, modified, or distributed +// except according to those terms. + +</span><span class="doccomment">//! Interface to the random number generator of the operating system. + +</span><span class="kw">use crate</span>::{impls, CryptoRng, Error, RngCore}; +<span class="kw">use </span>getrandom::getrandom; + +<span class="doccomment">/// A random number generator that retrieves randomness from the +/// operating system. +/// +/// This is a zero-sized struct. It can be freely constructed with `OsRng`. +/// +/// The implementation is provided by the [getrandom] crate. Refer to +/// [getrandom] documentation for details. +/// +/// This struct is only available when specifying the crate feature `getrandom` +/// or `std`. When using the `rand` lib, it is also available as `rand::rngs::OsRng`. +/// +/// # Blocking and error handling +/// +/// It is possible that when used during early boot the first call to `OsRng` +/// will block until the system's RNG is initialised. It is also possible +/// (though highly unlikely) for `OsRng` to fail on some platforms, most +/// likely due to system mis-configuration. +/// +/// After the first successful call, it is highly unlikely that failures or +/// significant delays will occur (although performance should be expected to +/// be much slower than a user-space PRNG). +/// +/// # Usage example +/// ``` +/// use rand_core::{RngCore, OsRng}; +/// +/// let mut key = [0u8; 16]; +/// OsRng.fill_bytes(&mut key); +/// let random_u64 = OsRng.next_u64(); +/// ``` +/// +/// [getrandom]: https://crates.io/crates/getrandom +</span><span class="attribute">#[cfg_attr(doc_cfg, doc(cfg(feature = <span class="string">"getrandom"</span>)))] +#[derive(Clone, Copy, Debug, Default)] +</span><span class="kw">pub struct </span>OsRng; + +<span class="kw">impl </span>CryptoRng <span class="kw">for </span>OsRng {} + +<span class="kw">impl </span>RngCore <span class="kw">for </span>OsRng { + <span class="kw">fn </span>next_u32(<span class="kw-2">&mut </span><span class="self">self</span>) -> u32 { + impls::next_u32_via_fill(<span class="self">self</span>) + } + + <span class="kw">fn </span>next_u64(<span class="kw-2">&mut </span><span class="self">self</span>) -> u64 { + impls::next_u64_via_fill(<span class="self">self</span>) + } + + <span class="kw">fn </span>fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) { + <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = <span class="self">self</span>.try_fill_bytes(dest) { + <span class="macro">panic!</span>(<span class="string">"Error: {}"</span>, e); + } + } + + <span class="kw">fn </span>try_fill_bytes(<span class="kw-2">&mut </span><span class="self">self</span>, dest: <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), Error> { + getrandom(dest)<span class="question-mark">?</span>; + <span class="prelude-val">Ok</span>(()) + } +} + +<span class="attribute">#[test] +</span><span class="kw">fn </span>test_os_rng() { + <span class="kw">let </span>x = OsRng.next_u64(); + <span class="kw">let </span>y = OsRng.next_u64(); + <span class="macro">assert!</span>(x != <span class="number">0</span>); + <span class="macro">assert!</span>(x != y); +} + +<span class="attribute">#[test] +</span><span class="kw">fn </span>test_construction() { + <span class="kw">let </span><span class="kw-2">mut </span>rng = OsRng::default(); + <span class="macro">assert!</span>(rng.next_u64() != <span class="number">0</span>); +} +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="rand_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
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