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<div id="projectname">EXIF library (libexif) API
 <span id="projectnumber">0.6.21</span>
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<p>Define the ExifMem data type and the associated functions.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <<a class="el" href="exif-utils_8h_source.html">libexif/exif-utils.h</a>></code><br />
</div>
<p><a href="exif-mem_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:adf81f6e85c0190f8e8508a92b4010395"><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#adf81f6e85c0190f8e8508a92b4010395">ExifMemAllocFunc</a>) (<a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td></tr>
<tr class="memdesc:adf81f6e85c0190f8e8508a92b4010395"><td class="mdescLeft"> </td><td class="mdescRight">Should work like calloc() <a href="#adf81f6e85c0190f8e8508a92b4010395">More...</a><br /></td></tr>
<tr class="separator:adf81f6e85c0190f8e8508a92b4010395"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa4b480c99cdd0a56f68388d681d615c1"><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#aa4b480c99cdd0a56f68388d681d615c1">ExifMemReallocFunc</a>) (void *p, <a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td></tr>
<tr class="memdesc:aa4b480c99cdd0a56f68388d681d615c1"><td class="mdescLeft"> </td><td class="mdescRight">Should work like realloc() <a href="#aa4b480c99cdd0a56f68388d681d615c1">More...</a><br /></td></tr>
<tr class="separator:aa4b480c99cdd0a56f68388d681d615c1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af18d6d9ab20d3d8ee6cecff8e7fab240"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#af18d6d9ab20d3d8ee6cecff8e7fab240">ExifMemFreeFunc</a>) (void *p)</td></tr>
<tr class="memdesc:af18d6d9ab20d3d8ee6cecff8e7fab240"><td class="mdescLeft"> </td><td class="mdescRight">Free method for ExifMem. <a href="#af18d6d9ab20d3d8ee6cecff8e7fab240">More...</a><br /></td></tr>
<tr class="separator:af18d6d9ab20d3d8ee6cecff8e7fab240"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aab8aacbc0ed6f11a1f022b7b1bf4750e"><td class="memItemLeft" align="right" valign="top"><a id="aab8aacbc0ed6f11a1f022b7b1bf4750e"></a>
typedef struct _ExifMem </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a></td></tr>
<tr class="memdesc:aab8aacbc0ed6f11a1f022b7b1bf4750e"><td class="mdescLeft"> </td><td class="mdescRight">ExifMem define a memory allocator. <br /></td></tr>
<tr class="separator:aab8aacbc0ed6f11a1f022b7b1bf4750e"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:aace6f5e726c2225ae6d57a299e9e384f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#aace6f5e726c2225ae6d57a299e9e384f">exif_mem_new</a> (<a class="el" href="exif-mem_8h.html#adf81f6e85c0190f8e8508a92b4010395">ExifMemAllocFunc</a> a, <a class="el" href="exif-mem_8h.html#aa4b480c99cdd0a56f68388d681d615c1">ExifMemReallocFunc</a> r, <a class="el" href="exif-mem_8h.html#af18d6d9ab20d3d8ee6cecff8e7fab240">ExifMemFreeFunc</a> f)</td></tr>
<tr class="memdesc:aace6f5e726c2225ae6d57a299e9e384f"><td class="mdescLeft"> </td><td class="mdescRight">Create a new ExifMem. <a href="#aace6f5e726c2225ae6d57a299e9e384f">More...</a><br /></td></tr>
<tr class="separator:aace6f5e726c2225ae6d57a299e9e384f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acedafabd958c9846ea3f908135715dcf"><td class="memItemLeft" align="right" valign="top"><a id="acedafabd958c9846ea3f908135715dcf"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#acedafabd958c9846ea3f908135715dcf">exif_mem_ref</a> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *)</td></tr>
<tr class="memdesc:acedafabd958c9846ea3f908135715dcf"><td class="mdescLeft"> </td><td class="mdescRight">Refcount an ExifMem. <br /></td></tr>
<tr class="separator:acedafabd958c9846ea3f908135715dcf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adabd1345e1172ce379658cecfd3f7d70"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#adabd1345e1172ce379658cecfd3f7d70">exif_mem_unref</a> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *)</td></tr>
<tr class="memdesc:adabd1345e1172ce379658cecfd3f7d70"><td class="mdescLeft"> </td><td class="mdescRight">Unrefcount an ExifMem. <a href="#adabd1345e1172ce379658cecfd3f7d70">More...</a><br /></td></tr>
<tr class="separator:adabd1345e1172ce379658cecfd3f7d70"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a00442916c2b7a2c0b43fad64f338a000"><td class="memItemLeft" align="right" valign="top"><a id="a00442916c2b7a2c0b43fad64f338a000"></a>
void * </td><td class="memItemRight" valign="bottom"><b>exif_mem_alloc</b> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *m, <a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td></tr>
<tr class="separator:a00442916c2b7a2c0b43fad64f338a000"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a029f8f0346f778ac9caa56536fcf3c85"><td class="memItemLeft" align="right" valign="top"><a id="a029f8f0346f778ac9caa56536fcf3c85"></a>
void * </td><td class="memItemRight" valign="bottom"><b>exif_mem_realloc</b> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *m, void *p, <a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td></tr>
<tr class="separator:a029f8f0346f778ac9caa56536fcf3c85"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab7ec7776593c6ffe5f49fec974f7cfe1"><td class="memItemLeft" align="right" valign="top"><a id="ab7ec7776593c6ffe5f49fec974f7cfe1"></a>
void </td><td class="memItemRight" valign="bottom"><b>exif_mem_free</b> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *m, void *p)</td></tr>
<tr class="separator:ab7ec7776593c6ffe5f49fec974f7cfe1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acd2926c29b470c9d43f84567a84d5acb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#acd2926c29b470c9d43f84567a84d5acb">exif_mem_new_default</a> (void)</td></tr>
<tr class="memdesc:acd2926c29b470c9d43f84567a84d5acb"><td class="mdescLeft"> </td><td class="mdescRight">Create a new ExifMem with default values for your convenience. <a href="#acd2926c29b470c9d43f84567a84d5acb">More...</a><br /></td></tr>
<tr class="separator:acd2926c29b470c9d43f84567a84d5acb"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Define the ExifMem data type and the associated functions. </p>
<p>ExifMem defines the memory management functions used within libexif. </p>
</div><h2 class="groupheader">Typedef Documentation</h2>
<a id="adf81f6e85c0190f8e8508a92b4010395"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adf81f6e85c0190f8e8508a92b4010395">◆ </a></span>ExifMemAllocFunc</h2>
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<td class="memname">typedef void*(* ExifMemAllocFunc) (<a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td>
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</div><div class="memdoc">
<p>Should work like calloc() </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">s</td><td>the size of the block to allocate. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the allocated memory and initialized. </dd></dl>
</div>
</div>
<a id="af18d6d9ab20d3d8ee6cecff8e7fab240"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af18d6d9ab20d3d8ee6cecff8e7fab240">◆ </a></span>ExifMemFreeFunc</h2>
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<td class="memname">typedef void(* ExifMemFreeFunc) (void *p)</td>
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<p>Free method for ExifMem. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">p</td><td>the pointer to free </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the freed pointer </dd></dl>
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</div>
<a id="aa4b480c99cdd0a56f68388d681d615c1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa4b480c99cdd0a56f68388d681d615c1">◆ </a></span>ExifMemReallocFunc</h2>
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<td class="memname">typedef void*(* ExifMemReallocFunc) (void *p, <a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td>
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</table>
</div><div class="memdoc">
<p>Should work like realloc() </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">p</td><td>the pointer to reallocate </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">s</td><td>the size of the reallocated block </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>allocated memory </dd></dl>
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</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="aace6f5e726c2225ae6d57a299e9e384f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aace6f5e726c2225ae6d57a299e9e384f">◆ </a></span>exif_mem_new()</h2>
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<td class="memname"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a>* exif_mem_new </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#adf81f6e85c0190f8e8508a92b4010395">ExifMemAllocFunc</a> </td>
<td class="paramname"><em>a</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#aa4b480c99cdd0a56f68388d681d615c1">ExifMemReallocFunc</a> </td>
<td class="paramname"><em>r</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#af18d6d9ab20d3d8ee6cecff8e7fab240">ExifMemFreeFunc</a> </td>
<td class="paramname"><em>f</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Create a new ExifMem. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">a</td><td>the allocator function </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">r</td><td>the reallocator function </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">f</td><td>the free function </td></tr>
</table>
</dd>
</dl>
<p class="reference">Referenced by <a class="el" href="exif-mem_8h.html#acd2926c29b470c9d43f84567a84d5acb">exif_mem_new_default()</a>.</p>
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<a id="acd2926c29b470c9d43f84567a84d5acb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acd2926c29b470c9d43f84567a84d5acb">◆ </a></span>exif_mem_new_default()</h2>
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<div class="memproto">
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<td class="memname"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a>* exif_mem_new_default </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<p>Create a new ExifMem with default values for your convenience. </p>
<dl class="section return"><dt>Returns</dt><dd>return a new default ExifMem </dd></dl>
<p class="reference">References <a class="el" href="exif-mem_8h.html#aace6f5e726c2225ae6d57a299e9e384f">exif_mem_new()</a>.</p>
<p class="reference">Referenced by <a class="el" href="exif-data_8h.html#a1b1570fbbb15d525a0dfde8db7c8b500">exif_data_new()</a>, <a class="el" href="exif-entry_8h.html#a81d54ed31654fc76331ca493a2a35633">exif_entry_new()</a>, <a class="el" href="exif-loader_8h.html#a2d4278edbd89b5af3e5a4fe29b5e085c">exif_loader_new()</a>, and <a class="el" href="exif-log_8h.html#a92d3525981d3d604521ca74ce05d0add">exif_log_new()</a>.</p>
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<a id="adabd1345e1172ce379658cecfd3f7d70"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adabd1345e1172ce379658cecfd3f7d70">◆ </a></span>exif_mem_unref()</h2>
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<td class="memname">void exif_mem_unref </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Unrefcount an ExifMem. </p>
<p>If the refcount reaches 0, the ExifMem is freed </p>
<p class="reference">Referenced by <a class="el" href="exif-data_8h.html#a1b1570fbbb15d525a0dfde8db7c8b500">exif_data_new()</a>, <a class="el" href="exif-entry_8h.html#a81d54ed31654fc76331ca493a2a35633">exif_entry_new()</a>, and <a class="el" href="exif-loader_8h.html#a2d4278edbd89b5af3e5a4fe29b5e085c">exif_loader_new()</a>.</p>
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