133 lines
6.5 KiB
HTML
133 lines
6.5 KiB
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<meta name="keywords" content="rust, rustlang, rust-lang, decode_config_slice">
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<title>base64::decode_config_slice - Rust</title>
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<p class='location'><a href='index.html'>base64</a></p><script>window.sidebarCurrent = {name: 'decode_config_slice', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<h1 class='fqn'><span class='in-band'>Function <a href='index.html'>base64</a>::<wbr><a class="fn" href=''>decode_config_slice</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/base64/decode.rs.html#160-179' title='goto source code'>[src]</a></span></h1>
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<pre class='rust fn'>pub fn decode_config_slice<T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>>>(<br> input: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T, <br> config: <a class="struct" href="../base64/struct.Config.html" title="struct base64::Config">Config</a>, <br> output: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="enum" href="../base64/enum.DecodeError.html" title="enum base64::DecodeError">DecodeError</a>></pre><div class='docblock'><p>Decode the input into the provided output slice.</p>
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<p>This will not write any bytes past exactly what is decoded (no stray garbage bytes at the end).</p>
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<p>If you don't know ahead of time what the decoded length should be, size your buffer with a
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conservative estimate for the decoded length of an input: 3 bytes of output for every 4 bytes of
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input, rounded up, or in other words <code>(input_len + 3) / 4 * 3</code>.</p>
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<p>If the slice is not large enough, this will panic.</p>
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