<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>EXIF library (libexif) API: libexif/exif-mem.h File Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.4 --> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul> </div> <div class="nav"> <a class="el" href="dir_6b7d2a0353a66579e981c2e82ba2b6ef.html">libexif</a></div> <h1>exif-mem.h File Reference</h1>Define the ExifMem data type and the associated functions. ExifMem defines the memory management functions used by the ExifLoader. <a href="#_details">More...</a> <p> <code>#include <libexif/exif-utils.h></code><br> <p> <a href="exif-mem_8h-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0"> <tr><td></td></tr> <tr><td colspan="2"><br><h2>Typedefs</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a> )(ExifLong s)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a> )(void *p, ExifLong s)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a> )(void *p)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef struct _ExifMem </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a></td></tr> <tr><td colspan="2"><br><h2>Functions</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#ace6f5e726c2225ae6d57a299e9e384f">exif_mem_new</a> (<a class="el" href="exif-mem_8h.html#8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a> a, <a class="el" href="exif-mem_8h.html#77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a> r, <a class="el" href="exif-mem_8h.html#9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a> f)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#cedafabd958c9846ea3f908135715dcf">exif_mem_ref</a> (<a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#dabd1345e1172ce379658cecfd3f7d70">exif_mem_unref</a> (<a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="00442916c2b7a2c0b43fad64f338a000"></a><!-- doxytag: member="exif-mem.h::exif_mem_alloc" ref="00442916c2b7a2c0b43fad64f338a000" 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#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *m, ExifLong s)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="029f8f0346f778ac9caa56536fcf3c85"></a><!-- doxytag: member="exif-mem.h::exif_mem_realloc" ref="029f8f0346f778ac9caa56536fcf3c85" 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#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *m, void *p, ExifLong s)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b7ec7776593c6ffe5f49fec974f7cfe1"></a><!-- doxytag: member="exif-mem.h::exif_mem_free" ref="b7ec7776593c6ffe5f49fec974f7cfe1" 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#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *m, void *p)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-mem_8h.html#cd2926c29b470c9d43f84567a84d5acb">exif_mem_new_default</a> (void)</td></tr> </table> <hr><a name="_details"></a><h2>Detailed Description</h2> Define the ExifMem data type and the associated functions. ExifMem defines the memory management functions used by the ExifLoader. <p> <hr><h2>Typedef Documentation</h2> <a class="anchor" name="ab8aacbc0ed6f11a1f022b7b1bf4750e"></a><!-- doxytag: member="exif-mem.h::ExifMem" ref="ab8aacbc0ed6f11a1f022b7b1bf4750e" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct _ExifMem <a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> </td> </tr> </table> </div> <div class="memdoc"> <p> ExifMem define a memory allocator </div> </div><p> <a class="anchor" name="8bfb570d7f9c7a2e686759e77e9d984c"></a><!-- doxytag: member="exif-mem.h::ExifMemAllocFunc" ref="8bfb570d7f9c7a2e686759e77e9d984c" args=")(ExifLong s)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void*(* <a class="el" href="exif-mem_8h.html#8bfb570d7f9c7a2e686759e77e9d984c">ExifMemAllocFunc</a>)(ExifLong s) </td> </tr> </table> </div> <div class="memdoc"> <p> Should work like calloc() <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>s</em> </td><td>the size of the block to allocate. </td></tr> </table> </dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd>the allocated memory and initialized. </dd></dl> </div> </div><p> <a class="anchor" name="9e5d88bc50fddc0eab10d86564d7a36b"></a><!-- doxytag: member="exif-mem.h::ExifMemFreeFunc" ref="9e5d88bc50fddc0eab10d86564d7a36b" args=")(void *p)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* <a class="el" href="exif-mem_8h.html#9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a>)(void *p) </td> </tr> </table> </div> <div class="memdoc"> <p> Free method for ExifMem <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>p</em> </td><td>the pointer to free </td></tr> </table> </dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd>the freed pointer </dd></dl> </div> </div><p> <a class="anchor" name="77e64fae08dcdc412e52b9c1cbdceddd"></a><!-- doxytag: member="exif-mem.h::ExifMemReallocFunc" ref="77e64fae08dcdc412e52b9c1cbdceddd" args=")(void *p, ExifLong s)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void*(* <a class="el" href="exif-mem_8h.html#77e64fae08dcdc412e52b9c1cbdceddd">ExifMemReallocFunc</a>)(void *p, ExifLong s) </td> </tr> </table> </div> <div class="memdoc"> <p> Should work like realloc() <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>p</em> </td><td>the pointer to reallocate </td></tr> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>s</em> </td><td>the size of the reallocated block </td></tr> </table> </dl> <dl class="return" compact><dt><b>Returns:</b></dt><dd>allocated memory </dd></dl> </div> </div><p> <hr><h2>Function Documentation</h2> <a class="anchor" name="ace6f5e726c2225ae6d57a299e9e384f"></a><!-- doxytag: member="exif-mem.h::exif_mem_new" ref="ace6f5e726c2225ae6d57a299e9e384f" 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#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a>* exif_mem_new </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-mem_8h.html#8bfb570d7f9c7a2e686759e77e9d984c">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#77e64fae08dcdc412e52b9c1cbdceddd">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#9e5d88bc50fddc0eab10d86564d7a36b">ExifMemFreeFunc</a> </td> <td class="paramname"> <em>f</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> Create a new ExifMem <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>a</em> </td><td>the allocator function </td></tr> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>r</em> </td><td>the reallocator function </td></tr> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>f</em> </td><td>the free function </td></tr> </table> </dl> </div> </div><p> <a class="anchor" name="cd2926c29b470c9d43f84567a84d5acb"></a><!-- doxytag: member="exif-mem.h::exif_mem_new_default" ref="cd2926c29b470c9d43f84567a84d5acb" args="(void)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a>* exif_mem_new_default </td> <td>(</td> <td class="paramtype">void </td> <td class="paramname"> </td> <td> ) </td> <td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> The default ExifMem for your convenience <dl class="return" compact><dt><b>Returns:</b></dt><dd>return the default ExifMem </dd></dl> </div> </div><p> <a class="anchor" name="cedafabd958c9846ea3f908135715dcf"></a><!-- doxytag: member="exif-mem.h::exif_mem_ref" ref="cedafabd958c9846ea3f908135715dcf" args="(ExifMem *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_mem_ref </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td> <td class="paramname"> </td> <td> ) </td> <td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> Refcount an ExifMem </div> </div><p> <a class="anchor" name="dabd1345e1172ce379658cecfd3f7d70"></a><!-- doxytag: member="exif-mem.h::exif_mem_unref" ref="dabd1345e1172ce379658cecfd3f7d70" args="(ExifMem *)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_mem_unref </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-mem_8h.html#ab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td> <td class="paramname"> </td> <td> ) </td> <td width="100%"></td> </tr> </table> </div> <div class="memdoc"> <p> Unrefcount an ExifMem If the refcount reaches 0, the ExifMem is freed </div> </div><p> <hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 25 09:03:36 2008 for EXIF library (libexif) API by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.4 </small></address> </body> </html>