<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>buffer (18 of 22 overloads)</title> <link rel="stylesheet" href="../../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../../boost_asio.html" title="Boost.Asio"> <link rel="up" href="../buffer.html" title="buffer"> <link rel="prev" href="overload17.html" title="buffer (17 of 22 overloads)"> <link rel="next" href="overload19.html" title="buffer (19 of 22 overloads)"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> <td align="center"><a href="../../../../../index.html">Home</a></td> <td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="overload17.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../buffer.html"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="overload19.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a> </div> <div class="section" title="buffer (18 of 22 overloads)"> <div class="titlepage"><div><div><h4 class="title"> <a name="boost_asio.reference.buffer.overload18"></a><a class="link" href="overload18.html" title="buffer (18 of 22 overloads)"> buffer (18 of 22 overloads)</a> </h4></div></div></div> <p> Create a new modifiable buffer that represents the given POD vector. </p> <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">PodType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Allocator</span><span class="special">></span> <span class="identifier">mutable_buffers_1</span> <span class="identifier">buffer</span><span class="special">(</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span> <span class="identifier">PodType</span><span class="special">,</span> <span class="identifier">Allocator</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">data</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">max_size_in_bytes</span><span class="special">);</span> </pre> <a name="boost_asio.reference.buffer.overload18.return_value"></a><h6> <a name="id903516"></a> <a class="link" href="overload18.html#boost_asio.reference.buffer.overload18.return_value">Return Value</a> </h6> <p> A <a class="link" href="../mutable_buffers_1.html" title="mutable_buffers_1"><code class="computeroutput"><span class="identifier">mutable_buffers_1</span></code></a> value equivalent to: </p> <pre class="programlisting"><span class="identifier">mutable_buffers_1</span><span class="special">(</span> <span class="identifier">data</span><span class="special">.</span><span class="identifier">size</span><span class="special">()</span> <span class="special">?</span> <span class="special">&</span><span class="identifier">data</span><span class="special">[</span><span class="number">0</span><span class="special">]</span> <span class="special">:</span> <span class="number">0</span><span class="special">,</span> <span class="identifier">min</span><span class="special">(</span><span class="identifier">data</span><span class="special">.</span><span class="identifier">size</span><span class="special">()</span> <span class="special">*</span> <span class="keyword">sizeof</span><span class="special">(</span><span class="identifier">PodType</span><span class="special">),</span> <span class="identifier">max_size_in_bytes</span><span class="special">));</span> </pre> <a name="boost_asio.reference.buffer.overload18.remarks"></a><h6> <a name="id903698"></a> <a class="link" href="overload18.html#boost_asio.reference.buffer.overload18.remarks">Remarks</a> </h6> <p> The buffer is invalidated by any vector operation that would also invalidate iterators. </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 Christopher M. Kohlhoff<p> Distributed under the Boost Software License, Version 1.0. (See accompanying 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>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="overload17.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../buffer.html"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="overload19.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>