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<title>Struct default_user_allocator_malloc_free</title>
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<h2><span class="refentrytitle">Struct default_user_allocator_malloc_free</span></h2>
<p>boost::default_user_allocator_malloc_free &#8212; <a href="../boost_pool/pool/pooling.html#boost_pool.pool.pooling.user_allocator" target="_top">UserAllocator</a> used as template parameter for <a class="link" href="pool.html" title="Class template pool">pool</a> and <a class="link" href="object_pool.html" title="Class template object_pool">object_pool</a>. Uses malloc and free internally. </p>
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<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: &lt;<a class="link" href="../header/boost/pool/pool_hpp.html" title="Header &lt;boost/pool/pool.hpp&gt;">boost/pool/pool.hpp</a>&gt;

</span>
<span class="keyword">struct</span> <a class="link" href="default_user_allocator_malloc_free.html" title="Struct default_user_allocator_malloc_free">default_user_allocator_malloc_free</a> <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">size_t</span>    <a name="boost.default_user_allocator_malloc_free.size_type"></a><span class="identifier">size_type</span><span class="special">;</span>        <span class="comment">// An unsigned integral type that can represent the size of the largest object to be allocated. </span>
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ptrdiff_t</span> <a name="boost.default_user_allocator_malloc_free.difference_type"></a><span class="identifier">difference_type</span><span class="special">;</span>  <span class="comment">// A signed integral type that can represent the difference of any two pointers. </span>

  <span class="comment">// <a class="link" href="default_user_allocator_malloc_free.html#idm45952513186736-bb">public static functions</a></span>
  <span class="keyword">static</span> <span class="keyword">char</span> <span class="special">*</span> <a class="link" href="default_user_allocator_malloc_free.html#idm45952513186176-bb"><span class="identifier">malloc</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="keyword">void</span> <a class="link" href="default_user_allocator_malloc_free.html#idm45952513183200-bb"><span class="identifier">free</span></a><span class="special">(</span><span class="keyword">char</span> <span class="special">*</span><span class="keyword">const</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
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<a name="idm46381014145552"></a><h2>Description</h2>
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<a name="idm46381014145168"></a><h3>
<a name="idm45952513186736-bb"></a><code class="computeroutput">default_user_allocator_malloc_free</code> public static functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">char</span> <span class="special">*</span> <a name="idm45952513186176-bb"></a><span class="identifier">malloc</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">size_type</span> bytes<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">void</span> <a name="idm45952513183200-bb"></a><span class="identifier">free</span><span class="special">(</span><span class="keyword">char</span> <span class="special">*</span><span class="keyword">const</span> block<span class="special">)</span><span class="special">;</span></pre></li>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2000-2006 Stephen Cleary<br>Copyright &#169; 2011 Paul A. Bristow<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>)
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