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<div id="projectname">EXIF library (libexif) API
 <span id="projectnumber">0.6.20</span>
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<div class="title">exif-mem.h File Reference</div> </div>
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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><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#a8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a> )(<a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Should work like calloc() <a href="#a8bfb570d7f9c7a2e686759e77e9d984c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#a77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a> )(void *p, <a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Should work like realloc() <a href="#a77e64fae08dcdc412e52b9c1cbdceddd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#a9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a> )(void *p)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free method for ExifMem. <a href="#a9e5d88bc50fddc0eab10d86564d7a36b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aab8aacbc0ed6f11a1f022b7b1bf4750e"></a><!-- doxytag: member="exif-mem.h::ExifMem" ref="aab8aacbc0ed6f11a1f022b7b1bf4750e" args="" -->
typedef struct _ExifMem </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">ExifMem define a memory allocator. <br/></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><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#a8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a> a, <a class="el" href="exif-mem_8h.html#a77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a> r, <a class="el" href="exif-mem_8h.html#a9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a> f)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a new ExifMem. <a href="#aace6f5e726c2225ae6d57a299e9e384f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acedafabd958c9846ea3f908135715dcf"></a><!-- doxytag: member="exif-mem.h::exif_mem_ref" ref="acedafabd958c9846ea3f908135715dcf" args="(ExifMem *)" -->
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><td class="mdescLeft"> </td><td class="mdescRight">Refcount an ExifMem. <br/></td></tr>
<tr><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><td class="mdescLeft"> </td><td class="mdescRight">Unrefcount an ExifMem. <a href="#adabd1345e1172ce379658cecfd3f7d70"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a00442916c2b7a2c0b43fad64f338a000"></a><!-- doxytag: member="exif-mem.h::exif_mem_alloc" ref="a00442916c2b7a2c0b43fad64f338a000" args="(ExifMem *m, ExifLong s)" -->
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><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a029f8f0346f778ac9caa56536fcf3c85"></a><!-- doxytag: member="exif-mem.h::exif_mem_realloc" ref="a029f8f0346f778ac9caa56536fcf3c85" args="(ExifMem *m, void *p, ExifLong s)" -->
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><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab7ec7776593c6ffe5f49fec974f7cfe1"></a><!-- doxytag: member="exif-mem.h::exif_mem_free" ref="ab7ec7776593c6ffe5f49fec974f7cfe1" args="(ExifMem *m, void *p)" -->
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><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><td class="mdescLeft"> </td><td class="mdescRight">Create a new ExifMem with default values for your convenience. <a href="#acd2926c29b470c9d43f84567a84d5acb"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>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><hr/><h2>Typedef Documentation</h2>
<a class="anchor" id="a8bfb570d7f9c7a2e686759e77e9d984c"></a><!-- doxytag: member="exif-mem.h::ExifMemAllocFunc" ref="a8bfb570d7f9c7a2e686759e77e9d984c" args=")(ExifLong s)" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">typedef void*(* <a class="el" href="exif-mem_8h.html#a8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a>)(<a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Should work like calloc() </p>
<dl class="params"><dt><b>Parameters:</b></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="return"><dt><b>Returns:</b></dt><dd>the allocated memory and initialized. </dd></dl>
</div>
</div>
<a class="anchor" id="a9e5d88bc50fddc0eab10d86564d7a36b"></a><!-- doxytag: member="exif-mem.h::ExifMemFreeFunc" ref="a9e5d88bc50fddc0eab10d86564d7a36b" args=")(void *p)" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">typedef void(* <a class="el" href="exif-mem_8h.html#a9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a>)(void *p)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Free method for ExifMem. </p>
<dl class="params"><dt><b>Parameters:</b></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="return"><dt><b>Returns:</b></dt><dd>the freed pointer </dd></dl>
</div>
</div>
<a class="anchor" id="a77e64fae08dcdc412e52b9c1cbdceddd"></a><!-- doxytag: member="exif-mem.h::ExifMemReallocFunc" ref="a77e64fae08dcdc412e52b9c1cbdceddd" args=")(void *p, ExifLong s)" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">typedef void*(* <a class="el" href="exif-mem_8h.html#a77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a>)(void *p, <a class="el" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">ExifLong</a> s)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Should work like realloc() </p>
<dl class="params"><dt><b>Parameters:</b></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="return"><dt><b>Returns:</b></dt><dd>allocated memory </dd></dl>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="aace6f5e726c2225ae6d57a299e9e384f"></a><!-- doxytag: member="exif-mem.h::exif_mem_new" ref="aace6f5e726c2225ae6d57a299e9e384f" args="(ExifMemAllocFunc a, ExifMemReallocFunc r, ExifMemFreeFunc f)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a>* <a class="el" href="exif-mem_8h.html#aace6f5e726c2225ae6d57a299e9e384f">exif_mem_new</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#a8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a> </td>
<td class="paramname"><em>a</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#a77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a> </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-mem_8h.html#a9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a> </td>
<td class="paramname"><em>f</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Create a new ExifMem. </p>
<dl class="params"><dt><b>Parameters:</b></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>
</div>
</div>
<a class="anchor" id="acd2926c29b470c9d43f84567a84d5acb"></a><!-- doxytag: member="exif-mem.h::exif_mem_new_default" ref="acd2926c29b470c9d43f84567a84d5acb" args="(void)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a>* <a class="el" href="exif-mem_8h.html#acd2926c29b470c9d43f84567a84d5acb">exif_mem_new_default</a> </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Create a new ExifMem with default values for your convenience. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>return a new default ExifMem </dd></dl>
</div>
</div>
<a class="anchor" id="adabd1345e1172ce379658cecfd3f7d70"></a><!-- doxytag: member="exif-mem.h::exif_mem_unref" ref="adabd1345e1172ce379658cecfd3f7d70" args="(ExifMem *)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-mem_8h.html#adabd1345e1172ce379658cecfd3f7d70">exif_mem_unref</a> </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>
</tr>
</table>
</div>
<div class="memdoc">
<p>Unrefcount an ExifMem. </p>
<p>If the refcount reaches 0, the ExifMem is freed </p>
</div>
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