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href="basic_bufferstream.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.interprocess.basic_bufferbuf"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template basic_bufferbuf</span></h2> 30<p>boost::interprocess::basic_bufferbuf</p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.bufferstream_hpp" title="Header <boost/interprocess/streams/bufferstream.hpp>">boost/interprocess/streams/bufferstream.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> CharTraits<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="basic_bufferbuf.html" title="Class template basic_bufferbuf">basic_bufferbuf</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_streambuf</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span> <span class="special">{</span> 37<span class="keyword">public</span><span class="special">:</span> 38 <span class="comment">// types</span> 39 <span class="keyword">typedef</span> <span class="identifier">CharT</span> <a name="boost.interprocess.basic_bufferbuf.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> 40 <span class="keyword">typedef</span> <span class="identifier">CharTraits</span><span class="special">::</span><span class="identifier">int_type</span> <a name="boost.interprocess.basic_bufferbuf.int_type"></a><span class="identifier">int_type</span><span class="special">;</span> 41 <span class="keyword">typedef</span> <span class="identifier">CharTraits</span><span class="special">::</span><span class="identifier">pos_type</span> <a name="boost.interprocess.basic_bufferbuf.pos_type"></a><span class="identifier">pos_type</span><span class="special">;</span> 42 <span class="keyword">typedef</span> <span class="identifier">CharTraits</span><span class="special">::</span><span class="identifier">off_type</span> <a name="boost.interprocess.basic_bufferbuf.off_type"></a><span class="identifier">off_type</span><span class="special">;</span> 43 <span class="keyword">typedef</span> <span class="identifier">CharTraits</span> <a name="boost.interprocess.basic_bufferbuf.traits_type"></a><span class="identifier">traits_type</span><span class="special">;</span> 44 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_streambuf</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">traits_type</span> <span class="special">></span> <a name="boost.interprocess.basic_bufferbuf.basic_streambuf_t"></a><span class="identifier">basic_streambuf_t</span><span class="special">;</span> 45 46 <span class="comment">// <a class="link" href="basic_bufferbuf.html#boost.interprocess.basic_bufferbufconstruct-copy-destruct">construct/copy/destruct</a></span> 47 <span class="keyword">explicit</span> <a class="link" href="basic_bufferbuf.html#idm45304010641888-bb"><span class="identifier">basic_bufferbuf</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span> 48 <span class="keyword">explicit</span> <a class="link" href="basic_bufferbuf.html#idm45304010639904-bb"><span class="identifier">basic_bufferbuf</span></a><span class="special">(</span><span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> 49 <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span> 50 <a class="link" href="basic_bufferbuf.html#idm45304010636512-bb"><span class="special">~</span><span class="identifier">basic_bufferbuf</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 51 52 <span class="comment">// <a class="link" href="basic_bufferbuf.html#idm45304010646896-bb">public member functions</a></span> 53 <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="special">></span> <a class="link" href="basic_bufferbuf.html#idm45304010646336-bb"><span class="identifier">buffer</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 54 <span class="keyword">void</span> <a class="link" href="basic_bufferbuf.html#idm45304010644736-bb"><span class="identifier">buffer</span></a><span class="special">(</span><span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span> 55<span class="special">}</span><span class="special">;</span></pre></div> 56<div class="refsect1"> 57<a name="id-1.3.19.17.3.55.4.4"></a><h2>Description</h2> 58<p>A streambuf class that controls the transmission of elements to and from a basic_xbufferstream. The elements are transmitted from a to a fixed size buffer </p> 59<div class="refsect2"> 60<a name="id-1.3.19.17.3.55.4.4.3"></a><h3> 61<a name="boost.interprocess.basic_bufferbufconstruct-copy-destruct"></a><code class="computeroutput">basic_bufferbuf</code> 62 public 63 construct/copy/destruct</h3> 64<div class="orderedlist"><ol class="orderedlist" type="1"> 65<li class="listitem"> 66<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45304010641888-bb"></a><span class="identifier">basic_bufferbuf</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> mode <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span></pre> 67<p>Constructor. Does not throw. </p> 68</li> 69<li class="listitem"> 70<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45304010639904-bb"></a><span class="identifier">basic_bufferbuf</span><span class="special">(</span><span class="identifier">CharT</span> <span class="special">*</span> buf<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> length<span class="special">,</span> 71 <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">openmode</span> mode <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">in</span><span class="special">|</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios_base</span><span class="special">::</span><span class="identifier">out</span><span class="special">)</span><span class="special">;</span></pre> 72<p>Constructor. Assigns formatting buffer. Does not throw. </p> 73</li> 74<li class="listitem"><pre class="literallayout"><a name="idm45304010636512-bb"></a><span class="special">~</span><span class="identifier">basic_bufferbuf</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 75</ol></div> 76</div> 77<div class="refsect2"> 78<a name="id-1.3.19.17.3.55.4.4.4"></a><h3> 79<a name="idm45304010646896-bb"></a><code class="computeroutput">basic_bufferbuf</code> public member functions</h3> 80<div class="orderedlist"><ol class="orderedlist" type="1"> 81<li class="listitem"> 82<pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="special">></span> <a name="idm45304010646336-bb"></a><span class="identifier">buffer</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 83<p>Returns the pointer and size of the internal buffer. Does not throw. </p> 84</li> 85<li class="listitem"> 86<pre class="literallayout"><span class="keyword">void</span> <a name="idm45304010644736-bb"></a><span class="identifier">buffer</span><span class="special">(</span><span class="identifier">CharT</span> <span class="special">*</span> buf<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> length<span class="special">)</span><span class="special">;</span></pre> 87<p>Sets the underlying buffer to a new value Does not throw. </p> 88</li> 89</ol></div> 90</div> 91</div> 92</div> 93<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 94<td align="left"></td> 95<td align="right"><div class="copyright-footer">Copyright © 2005-2015 Ion Gaztanaga<p> 96 Distributed under the Boost Software License, Version 1.0. (See accompanying 97 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>) 98 </p> 99</div></td> 100</tr></table> 101<hr> 102<div class="spirit-nav"> 103<a accesskey="p" href="make_managed_weak_ptr.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../interprocess/indexes_reference.html#header.boost.interprocess.streams.bufferstream_hpp"><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="basic_bufferstream.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 104</div> 105</body> 106</html> 107
