| <!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 `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/openssl-0.10.54/src/bio.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>bio.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"><a class="sidebar-logo" href="../../openssl/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../openssl/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><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></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="kw">use </span>cfg_if::cfg_if; |
| <span class="kw">use </span>libc::c_int; |
| <span class="kw">use </span>std::marker::PhantomData; |
| <span class="kw">use </span>std::ptr; |
| <span class="kw">use </span>std::slice; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::cvt_p; |
| <span class="kw">use </span><span class="kw">crate</span>::error::ErrorStack; |
| |
| <span class="kw">pub struct </span>MemBioSlice<<span class="lifetime">'a</span>>(<span class="kw-2">*mut </span>ffi::BIO, PhantomData<<span class="kw-2">&</span><span class="lifetime">'a </span>[u8]>); |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Drop <span class="kw">for </span>MemBioSlice<<span class="lifetime">'a</span>> { |
| <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="kw">unsafe </span>{ |
| ffi::BIO_free_all(<span class="self">self</span>.<span class="number">0</span>); |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> MemBioSlice<<span class="lifetime">'a</span>> { |
| <span class="kw">pub fn </span>new(buf: <span class="kw-2">&</span><span class="lifetime">'a </span>[u8]) -> <span class="prelude-ty">Result</span><MemBioSlice<<span class="lifetime">'a</span>>, ErrorStack> { |
| ffi::init(); |
| |
| <span class="macro">assert!</span>(buf.len() <= c_int::max_value() <span class="kw">as </span>usize); |
| <span class="kw">let </span>bio = <span class="kw">unsafe </span>{ |
| cvt_p(BIO_new_mem_buf( |
| buf.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_</span>, |
| buf.len() <span class="kw">as </span><span class="kw">crate</span>::SLenType, |
| ))<span class="question-mark">? |
| </span>}; |
| |
| <span class="prelude-val">Ok</span>(MemBioSlice(bio, PhantomData)) |
| } |
| |
| <span class="kw">pub fn </span>as_ptr(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">*mut </span>ffi::BIO { |
| <span class="self">self</span>.<span class="number">0 |
| </span>} |
| } |
| |
| <span class="kw">pub struct </span>MemBio(<span class="kw-2">*mut </span>ffi::BIO); |
| |
| <span class="kw">impl </span>Drop <span class="kw">for </span>MemBio { |
| <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="kw">unsafe </span>{ |
| ffi::BIO_free_all(<span class="self">self</span>.<span class="number">0</span>); |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>MemBio { |
| <span class="kw">pub fn </span>new() -> <span class="prelude-ty">Result</span><MemBio, ErrorStack> { |
| ffi::init(); |
| |
| <span class="kw">let </span>bio = <span class="kw">unsafe </span>{ cvt_p(ffi::BIO_new(ffi::BIO_s_mem()))<span class="question-mark">? </span>}; |
| <span class="prelude-val">Ok</span>(MemBio(bio)) |
| } |
| |
| <span class="kw">pub fn </span>as_ptr(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">*mut </span>ffi::BIO { |
| <span class="self">self</span>.<span class="number">0 |
| </span>} |
| |
| <span class="kw">pub fn </span>get_buf(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[u8] { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span><span class="kw-2">mut </span>ptr = ptr::null_mut(); |
| <span class="kw">let </span>len = ffi::BIO_get_mem_data(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&mut </span>ptr); |
| slice::from_raw_parts(ptr <span class="kw">as </span><span class="kw-2">*const </span><span class="kw">_ as </span><span class="kw-2">*const </span><span class="kw">_</span>, len <span class="kw">as </span>usize) |
| } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub unsafe fn </span>from_ptr(bio: <span class="kw-2">*mut </span>ffi::BIO) -> MemBio { |
| MemBio(bio) |
| } |
| } |
| |
| <span class="macro">cfg_if! </span>{ |
| <span class="kw">if </span><span class="attribute">#[cfg(any(ossl102, boringssl))] </span>{ |
| <span class="kw">use </span>ffi::BIO_new_mem_buf; |
| } <span class="kw">else </span>{ |
| <span class="attribute">#[allow(bad_style)] |
| </span><span class="kw">unsafe fn </span>BIO_new_mem_buf(buf: <span class="kw-2">*const </span>::libc::c_void, len: ::libc::c_int) -> <span class="kw-2">*mut </span>ffi::BIO { |
| ffi::BIO_new_mem_buf(buf <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>, len) |
| } |
| } |
| } |
| </code></pre></div> |
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