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libb64.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<title> libb64 - base64 encoding & decoding </title>
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<script>
var DOCNAME = 'libb64'
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<table id="header_table">
<tr>
<td style="vertical-align: middle;" width="100%">
<h1> libb64 </h1>
<h2> base64 encoding & decoding </h2>
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<section class="doc">
<span id="module_info"></span>
<h2 id="local-b64-requirelibb64"><code>local b64 = require'libb64'</code></h2>
<p>FFI binding of <a href="http://libb64.sourceforge.net/">libb64</a>, a fast base64 encoder and decoder by Chris Venter.</p>
<pre><code>b64.encode(s[, size]) -> s
b64.decode(s[, size]) -> s
b64.encode(cdata, size) -> s
b64.decode(cdata, size) -> s</code></pre>
<p>Encode/decode a string or cdata to a string.</p>
<pre><code>b64.encode_tobuffer(s, [size], out_buf, out_size) -> bytes_written
b64.decode_tobuffer(s, [size], out_buf, out_size) -> bytes_written
b64.encode_tobuffer(cdata, size, out_buf, out_size) -> bytes_written
b64.decode_tobuffer(cdata, size, out_buf, out_size) -> bytes_written</code></pre>
<p>Encode/decode a string or cdata to a buffer.</p>
<ul>
<li>encoding needs a buffer of at least <code>size * 2 + 3</code> bytes</li>
<li>decoding needs a buffer of at least <code>math.floor(size * 3 / 4)</code> bytes</li>
</ul>
<h2 id="todo">TODO</h2>
<p>Stream-like interface similar to zlib's inflate/deflate.<br />Benchmark against this pure ffi implementation<a href="https://github.com/kengonakajima/luvit-base64/issues/1">1</a>.</p>
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<li>{{name}}</li>
{{/module_array}}
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