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<title>Class template basic_obufferstream</title>
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<a name="boost.interprocess.basic_obufferstream"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class template basic_obufferstream</span></h2>
<p>boost::interprocess::basic_obufferstream</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<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="../../boost_interprocess_reference.html#header.boost.interprocess.streams.bufferstream_hpp" title="Header <boost/interprocess/streams/bufferstream.hpp>">boost/interprocess/streams/bufferstream.hpp</a>>
</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>
<span class="keyword">class</span> <a class="link" href="basic_obufferstream.html" title="Class template basic_obufferstream">basic_obufferstream</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="comment">// types</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</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><span class="identifier">char_type</span> <a name="boost.interprocess.basic_obufferstream.char_type"></a><span class="identifier">char_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">int_type</span> <a name="boost.interprocess.basic_obufferstream.int_type"></a><span class="identifier">int_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">pos_type</span> <a name="boost.interprocess.basic_obufferstream.pos_type"></a><span class="identifier">pos_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">off_type</span> <a name="boost.interprocess.basic_obufferstream.off_type"></a><span class="identifier">off_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ios</span><span class="special"><</span> <span class="identifier">char_type</span><span class="special">,</span> <span class="identifier">CharTraits</span> <span class="special">></span><span class="special">::</span><span class="identifier">traits_type</span> <a name="boost.interprocess.basic_obufferstream.traits_type"></a><span class="identifier">traits_type</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_obufferstream.html#boost.interprocess.basic_obufferstreamconstruct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="basic_obufferstream.html#id995538-bb"><span class="identifier">basic_obufferstream</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">out</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_obufferstream.html#id995551-bb"><span class="identifier">basic_obufferstream</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="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">out</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="basic_obufferstream.html#id995576-bb"><span class="special">~</span><span class="identifier">basic_obufferstream</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="basic_obufferstream.html#id995483-bb">public member functions</a></span>
<a class="link" href="basic_bufferbuf.html" title="Class template basic_bufferbuf">basic_bufferbuf</a><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> <a class="link" href="basic_obufferstream.html#id995487-bb"><span class="identifier">rdbuf</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<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_obufferstream.html#id995501-bb"><span class="identifier">buffer</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="basic_obufferstream.html#id995514-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>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id1846644"></a><h2>Description</h2>
<p>A basic_ostream class that uses a fixed size character buffer as its formatting buffer. </p>
<div class="refsect2">
<a name="id1846652"></a><h3>
<a name="boost.interprocess.basic_obufferstreamconstruct-copy-destruct"></a><code class="computeroutput">basic_obufferstream</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="id995538-bb"></a><span class="identifier">basic_obufferstream</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">out</span><span class="special">)</span><span class="special">;</span></pre>
<p>Constructor. Does not throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id995551-bb"></a><span class="identifier">basic_obufferstream</span><span class="special">(</span><span class="identifier">CharT</span> <span class="special">*</span> buffer<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="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">out</span><span class="special">)</span><span class="special">;</span></pre>
<p>Constructor. Assigns formatting buffer. Does not throw. </p>
</li>
<li class="listitem"><pre class="literallayout"><a name="id995576-bb"></a><span class="special">~</span><span class="identifier">basic_obufferstream</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="id1846906"></a><h3>
<a name="id995483-bb"></a><code class="computeroutput">basic_obufferstream</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a class="link" href="basic_bufferbuf.html" title="Class template basic_bufferbuf">basic_bufferbuf</a><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> <a name="id995487-bb"></a><span class="identifier">rdbuf</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>Returns the address of the stored stream buffer. </p>
</li>
<li class="listitem">
<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="id995501-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>
<p>Returns the pointer and size of the internal buffer. Does not throw. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="id995514-bb"></a><span class="identifier">buffer</span><span class="special">(</span><span class="identifier">CharT</span> <span class="special">*</span> buffer<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>
<p>Sets the underlying buffer to a new value. Resets stream position. Does not throw. </p>
</li>
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