1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>basic_multi_buffer::commit</title> 5<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Chapter 1. Boost.Beast"> 8<link rel="up" href="../boost__beast__basic_multi_buffer.html" title="basic_multi_buffer"> 9<link rel="prev" href="prepare.html" title="basic_multi_buffer::prepare"> 10<link rel="next" href="consume.html" title="basic_multi_buffer::consume"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="prepare.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__basic_multi_buffer.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="consume.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="beast.ref.boost__beast__basic_multi_buffer.commit"></a><a class="link" href="commit.html" title="basic_multi_buffer::commit">basic_multi_buffer::commit</a> 28</h5></div></div></div> 29<p> 30 <a class="indexterm" name="idm46057547763248"></a> 31 </p> 32<p> 33 Append writable bytes to the readable bytes. 34 </p> 35<h6> 36<a name="beast.ref.boost__beast__basic_multi_buffer.commit.h0"></a> 37 <span class="phrase"><a name="beast.ref.boost__beast__basic_multi_buffer.commit.synopsis"></a></span><a class="link" href="commit.html#beast.ref.boost__beast__basic_multi_buffer.commit.synopsis">Synopsis</a> 38 </h6> 39<pre class="programlisting"><span class="keyword">void</span> 40<span class="identifier">commit</span><span class="special">(</span> 41 <span class="identifier">size_type</span> <span class="identifier">n</span><span class="special">);</span> 42</pre> 43<h6> 44<a name="beast.ref.boost__beast__basic_multi_buffer.commit.h1"></a> 45 <span class="phrase"><a name="beast.ref.boost__beast__basic_multi_buffer.commit.description"></a></span><a class="link" href="commit.html#beast.ref.boost__beast__basic_multi_buffer.commit.description">Description</a> 46 </h6> 47<p> 48 Appends n bytes from the start of the writable bytes to the end of the 49 readable bytes. The remainder of the writable bytes are discarded. If n 50 is greater than the number of writable bytes, all writable bytes are appended 51 to the readable bytes. All buffer sequences previously obtained using 52 <a class="link" href="prepare.html" title="basic_multi_buffer::prepare"><code class="computeroutput"><span class="identifier">prepare</span></code></a> are invalidated. Buffer 53 sequences previously obtained using <a class="link" href="data/overload1.html" title="basic_multi_buffer::data (1 of 2 overloads)"><code class="computeroutput"><span class="identifier">data</span></code></a> remain valid. 54 </p> 55<h6> 56<a name="beast.ref.boost__beast__basic_multi_buffer.commit.h2"></a> 57 <span class="phrase"><a name="beast.ref.boost__beast__basic_multi_buffer.commit.parameters"></a></span><a class="link" href="commit.html#beast.ref.boost__beast__basic_multi_buffer.commit.parameters">Parameters</a> 58 </h6> 59<div class="informaltable"><table class="table"> 60<colgroup> 61<col> 62<col> 63</colgroup> 64<thead><tr> 65<th> 66 <p> 67 Name 68 </p> 69 </th> 70<th> 71 <p> 72 Description 73 </p> 74 </th> 75</tr></thead> 76<tbody><tr> 77<td> 78 <p> 79 <code class="computeroutput"><span class="identifier">n</span></code> 80 </p> 81 </td> 82<td> 83 <p> 84 The number of bytes to append. If this number is greater than 85 the number of writable bytes, all writable bytes are appended. 86 </p> 87 </td> 88</tr></tbody> 89</table></div> 90<h6> 91<a name="beast.ref.boost__beast__basic_multi_buffer.commit.h3"></a> 92 <span class="phrase"><a name="beast.ref.boost__beast__basic_multi_buffer.commit.exception_safety"></a></span><a class="link" href="commit.html#beast.ref.boost__beast__basic_multi_buffer.commit.exception_safety">Exception 93 Safety</a> 94 </h6> 95<p> 96 No-throw guarantee. 97 </p> 98</div> 99<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 100<td align="left"></td> 101<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 102 Falco<p> 103 Distributed under the Boost Software License, Version 1.0. (See accompanying 104 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 105 </p> 106</div></td> 107</tr></table> 108<hr> 109<div class="spirit-nav"> 110<a accesskey="p" href="prepare.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__basic_multi_buffer.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="consume.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 111</div> 112</body> 113</html> 114