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   <div id="projectname">libcbor
   &#160;<span id="projectnumber">0.5.0</span>
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   <div id="projectbrief">libcbor is a C library for parsing and generating CBOR, the general-purpose schema-less binary data format.</div>
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<div class="title">memory_utils.h File Reference</div>  </div>
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<div class="textblock"><code>#include &lt;string.h&gt;</code><br />
<code>#include &lt;stdbool.h&gt;</code><br />
</div>
<p><a href="memory__utils_8h_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
<tr class="memitem:abdee08be3f4cff35a94279fda66c4778"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="memory__utils_8h.html#abdee08be3f4cff35a94279fda66c4778">_cbor_safe_to_multiply</a> (size_t a, size_t b)</td></tr>
<tr class="memdesc:abdee08be3f4cff35a94279fda66c4778"><td class="mdescLeft">&#160;</td><td class="mdescRight">Can a and b be multiplied without overflowing size_t?  <a href="#abdee08be3f4cff35a94279fda66c4778">More...</a><br /></td></tr>
<tr class="separator:abdee08be3f4cff35a94279fda66c4778"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7bfbe0ac179b30f38bfeb9fe432ad4ec"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="memory__utils_8h.html#a7bfbe0ac179b30f38bfeb9fe432ad4ec">_cbor_alloc_multiple</a> (size_t item_size, size_t item_count)</td></tr>
<tr class="memdesc:a7bfbe0ac179b30f38bfeb9fe432ad4ec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Overflow-proof contiguous array allocation.  <a href="#a7bfbe0ac179b30f38bfeb9fe432ad4ec">More...</a><br /></td></tr>
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<tr class="memitem:afd7a22ccd3b44d6ff668e14c3a006e40"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="memory__utils_8h.html#afd7a22ccd3b44d6ff668e14c3a006e40">_cbor_realloc_multiple</a> (void *pointer, size_t item_size, size_t item_count)</td></tr>
<tr class="memdesc:afd7a22ccd3b44d6ff668e14c3a006e40"><td class="mdescLeft">&#160;</td><td class="mdescRight">Overflow-proof contiguous array reallocation.  <a href="#afd7a22ccd3b44d6ff668e14c3a006e40">More...</a><br /></td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="a7bfbe0ac179b30f38bfeb9fe432ad4ec"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7bfbe0ac179b30f38bfeb9fe432ad4ec">&sect;&nbsp;</a></span>_cbor_alloc_multiple()</h2>

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          <td class="memname">void* _cbor_alloc_multiple </td>
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<p>Overflow-proof contiguous array allocation. </p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">item_count</td><td></td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Region of item_size * item_count bytes, or NULL if the total size overflows size_t or the underlying allocator failed </dd></dl>

<p>Definition at line <a class="el" href="memory__utils_8c_source.html#l00030">30</a> of file <a class="el" href="memory__utils_8c_source.html">memory_utils.c</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#afd7a22ccd3b44d6ff668e14c3a006e40">&sect;&nbsp;</a></span>_cbor_realloc_multiple()</h2>

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<p>Overflow-proof contiguous array reallocation. </p>
<p>This implements the OpenBSD <code>reallocarray</code> functionality.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pointer</td><td></td></tr>
    <tr><td class="paramname">item_size</td><td></td></tr>
    <tr><td class="paramname">item_count</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Realloc'd of item_size * item_count bytes, or NULL if the total size overflows size_t or the underlying allocator failed </dd></dl>

<p>Definition at line <a class="el" href="memory__utils_8c_source.html#l00039">39</a> of file <a class="el" href="memory__utils_8c_source.html">memory_utils.c</a>.</p>

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<a id="abdee08be3f4cff35a94279fda66c4778"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abdee08be3f4cff35a94279fda66c4778">&sect;&nbsp;</a></span>_cbor_safe_to_multiply()</h2>

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          <td class="memname">bool _cbor_safe_to_multiply </td>
          <td>(</td>
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          <td class="paramkey"></td>
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          <td class="paramname"><em>b</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Can a and b be multiplied without overflowing size_t? </p>

<p>Definition at line <a class="el" href="memory__utils_8c_source.html#l00025">25</a> of file <a class="el" href="memory__utils_8c_source.html">memory_utils.c</a>.</p>

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