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    13. 

  13.     </style><title>Module xmlmemory from libxml2</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"><table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr><td width="120"><a href="http://swpat.ffii.org/"><img src="../epatents.png" alt="Action against software patents" /></a></td><td width="180"><a href="http://www.gnome.org/"><img src="../gnome2.png" alt="Gnome2 Logo" /></a><a href="http://www.w3.org/Status"><img src="../w3c.png" alt="W3C Logo" /></a><a href="http://www.redhat.com/"><img src="../redhat.gif" alt="Red Hat Logo" /></a><div align="left"><a href="http://xmlsoft.org/"><img src="../Libxml2-Logo-180x168.gif" alt="Made with Libxml2 Logo" /></a></div></td><td><table border="0" width="90%" cellpadding="2" cellspacing="0" align="center" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3" bgcolor="#fffacd"><tr><td align="center"><h1></h1><h2>Module xmlmemory from libxml2</h2></td></tr></table></td></tr></table></td></tr></table><table border="0" cellpadding="4" cellspacing="0" width="100%" align="center"><tr><td bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td valign="top" width="200" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3"><tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>API Menu</b></center></td></tr><tr><td bgcolor="#fffacd"><form action="../search.php" enctype="application/x-www-form-urlencoded" method="get"><input name="query" type="text" size="20" value="" /><input name="submit" type="submit" value="Search ..." /></form><ul><li><a style="font-weight:bold" href="../index.html">Main Menu</a></li><li><a style="font-weight:bold" href="../docs.html">Developer Menu</a></li><li><a style="font-weight:bold" href="../examples/index.html">Code Examples</a></li><li><a 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bgcolor="#fffacd"><ul><li><a href="http://mail.gnome.org/archives/xml/">Mail archive</a></li><li><a href="http://xmlsoft.org/XSLT/">XSLT libxslt</a></li><li><a href="http://phd.cs.unibo.it/gdome2/">DOM gdome2</a></li><li><a href="http://www.aleksey.com/xmlsec/">XML-DSig xmlsec</a></li><li><a href="ftp://xmlsoft.org/">FTP</a></li><li><a href="http://www.zlatkovic.com/projects/libxml/">Windows binaries</a></li><li><a href="http://opencsw.org/packages/libxml2">Solaris binaries</a></li><li><a href="http://www.explain.com.au/oss/libxml2xslt.html">MacOsX binaries</a></li><li><a href="http://codespeak.net/lxml/">lxml Python bindings</a></li><li><a href="http://cpan.uwinnipeg.ca/dist/XML-LibXML">Perl bindings</a></li><li><a href="http://libxmlplusplus.sourceforge.net/">C++ bindings</a></li><li><a href="http://www.zend.com/php5/articles/php5-xmlphp.php#Heading4">PHP bindings</a></li><li><a href="http://sourceforge.net/projects/libxml2-pas/">Pascal bindings</a></li><li><a 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href="index.html">API documentation</a></th><td><a accesskey="h" href="../index.html"><img src="home.png" width="24" height="24" border="0" alt="Home" /></a></td><th align="center"><a href="../index.html">The XML C parser and toolkit of Gnome</a></th><th align="right"><a href="libxml-xmlmodule.html">xmlmodule</a></th><td><a accesskey="n" href="libxml-xmlmodule.html"><img src="right.png" width="24" height="24" border="0" alt="Next" /></a></td></tr></table><p>provides interfaces for the memory allocator, including debugging capabilities. </p><h2>Table of Contents</h2><pre class="programlisting">#define <a href="#DEBUG_MEMORY">DEBUG_MEMORY</a></pre><pre class="programlisting">Variable <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> <a name="xmlMalloc" id="xmlMalloc"></a>xmlMalloc
    14. 

  14. 

  15. </pre><pre class="programlisting">Variable <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> <a name="xmlMallocAtomic" id="xmlMallocAtomic"></a>xmlMallocAtomic
    16. 

  16. 

  17. </pre><pre class="programlisting">Variable <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> <a name="xmlMemStrdup" id="xmlMemStrdup"></a>xmlMemStrdup
    18. 

  18. 

  19. </pre><pre class="programlisting">Variable <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> <a name="xmlRealloc" id="xmlRealloc"></a>xmlRealloc
    20. 

  20. 

  21. </pre><pre class="programlisting">void	<a href="#xmlCleanupMemory">xmlCleanupMemory</a>		(void)</pre>
    22. 

  22. <pre class="programlisting">Function type: <a href="#xmlFreeFunc">xmlFreeFunc</a>
    23. 

  23. void	<a href="#xmlFreeFunc">xmlFreeFunc</a>			(void * mem)
    24. 

  24. </pre>
    25. 

  25. <pre class="programlisting">int	<a href="#xmlGcMemGet">xmlGcMemGet</a>			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocAtomicFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc)</pre>
    26. 

  26. <pre class="programlisting">int	<a href="#xmlGcMemSetup">xmlGcMemSetup</a>			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocAtomicFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc)</pre>
    27. 

  27. <pre class="programlisting">int	<a href="#xmlInitMemory">xmlInitMemory</a>			(void)</pre>
    28. 

  28. <pre class="programlisting">void *	<a href="#xmlMallocAtomicLoc">xmlMallocAtomicLoc</a>		(size_t size, <br />					 const char * file, <br />					 int line)</pre>
    29. 

  29. <pre class="programlisting">Function type: <a href="#xmlMallocFunc">xmlMallocFunc</a>
    30. 

  30. void *	<a href="#xmlMallocFunc">xmlMallocFunc</a>			(size_t size)
    31. 

  31. </pre>
    32. 

  32. <pre class="programlisting">void *	<a href="#xmlMallocLoc">xmlMallocLoc</a>			(size_t size, <br />					 const char * file, <br />					 int line)</pre>
    33. 

  33. <pre class="programlisting">int	<a href="#xmlMemBlocks">xmlMemBlocks</a>			(void)</pre>
    34. 

  34. <pre class="programlisting">void	<a href="#xmlMemDisplay">xmlMemDisplay</a>			(FILE * fp)</pre>
    35. 

  35. <pre class="programlisting">void	<a href="#xmlMemDisplayLast">xmlMemDisplayLast</a>		(FILE * fp, <br />					 long nbBytes)</pre>
    36. 

  36. <pre class="programlisting">void	<a href="#xmlMemFree">xmlMemFree</a>			(void * ptr)</pre>
    37. 

  37. <pre class="programlisting">int	<a href="#xmlMemGet">xmlMemGet</a>			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc)</pre>
    38. 

  38. <pre class="programlisting">void *	<a href="#xmlMemMalloc">xmlMemMalloc</a>			(size_t size)</pre>
    39. 

  39. <pre class="programlisting">void *	<a href="#xmlMemRealloc">xmlMemRealloc</a>			(void * ptr, <br />					 size_t size)</pre>
    40. 

  40. <pre class="programlisting">int	<a href="#xmlMemSetup">xmlMemSetup</a>			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc)</pre>
    41. 

  41. <pre class="programlisting">void	<a href="#xmlMemShow">xmlMemShow</a>			(FILE * fp, <br />					 int nr)</pre>
    42. 

  42. <pre class="programlisting">char *	<a href="#xmlMemStrdupLoc">xmlMemStrdupLoc</a>			(const char * str, <br />					 const char * file, <br />					 int line)</pre>
    43. 

  43. <pre class="programlisting">int	<a href="#xmlMemUsed">xmlMemUsed</a>			(void)</pre>
    44. 

  44. <pre class="programlisting">void	<a href="#xmlMemoryDump">xmlMemoryDump</a>			(void)</pre>
    45. 

  45. <pre class="programlisting">char *	<a href="#xmlMemoryStrdup">xmlMemoryStrdup</a>			(const char * str)</pre>
    46. 

  46. <pre class="programlisting">Function type: <a href="#xmlReallocFunc">xmlReallocFunc</a>
    47. 

  47. void *	<a href="#xmlReallocFunc">xmlReallocFunc</a>			(void * mem, <br />					 size_t size)
    48. 

  48. </pre>
    49. 

  49. <pre class="programlisting">void *	<a href="#xmlReallocLoc">xmlReallocLoc</a>			(void * ptr, <br />					 size_t size, <br />					 const char * file, <br />					 int line)</pre>
    50. 

  50. <pre class="programlisting">Function type: <a href="#xmlStrdupFunc">xmlStrdupFunc</a>
    51. 

  51. char *	<a href="#xmlStrdupFunc">xmlStrdupFunc</a>			(const char * str)
    52. 

  52. </pre>
    53. 

  53. <h2>Description</h2>
    54. 

  54. <h3><a name="DEBUG_MEMORY" id="DEBUG_MEMORY"></a>Macro: DEBUG_MEMORY</h3><pre>#define DEBUG_MEMORY</pre><p><a href="libxml-xmlmemory.html#DEBUG_MEMORY">DEBUG_MEMORY</a> replaces the allocator with a collect and debug shell to the libc allocator. <a href="libxml-xmlmemory.html#DEBUG_MEMORY">DEBUG_MEMORY</a> should only be activated when debugging libxml i.e. if libxml has been configured with --with-debug-mem too. #define DEBUG_MEMORY_FREED #define <a href="libxml-xmlversion.html#DEBUG_MEMORY_LOCATION">DEBUG_MEMORY_LOCATION</a></p>
    55. 

  55. <h3><a name="xmlCleanupMemory" id="xmlCleanupMemory"></a>Function: xmlCleanupMemory</h3><pre class="programlisting">void	xmlCleanupMemory		(void)<br />
    56. 

  56. </pre><p>Free up all the memory allocated by the library for its own use. This should not be called by user level code.</p>
    57. 

  57. <h3><a name="xmlFreeFunc" id="xmlFreeFunc"></a>Function type: xmlFreeFunc</h3><pre class="programlisting">Function type: xmlFreeFunc
    58. 

  58. void	xmlFreeFunc			(void * mem)
    59. 

  59. </pre><p>Signature for a free() implementation.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>mem</tt></i>:</span></td><td>an already allocated block of memory</td></tr></tbody></table></div><br />
    60. 

  60. <h3><a name="xmlGcMemGet" id="xmlGcMemGet"></a>Function: xmlGcMemGet</h3><pre class="programlisting">int	xmlGcMemGet			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocAtomicFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc)<br />
    61. 

  61. </pre><p>Provides the memory access functions set currently in use The mallocAtomicFunc is specialized for atomic block allocations (i.e. of areas useful for garbage collected memory allocators</p>
    62. 

  62. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>freeFunc</tt></i>:</span></td><td>place to save the free() function in use</td></tr><tr><td><span class="term"><i><tt>mallocFunc</tt></i>:</span></td><td>place to save the malloc() function in use</td></tr><tr><td><span class="term"><i><tt>mallocAtomicFunc</tt></i>:</span></td><td>place to save the atomic malloc() function in use</td></tr><tr><td><span class="term"><i><tt>reallocFunc</tt></i>:</span></td><td>place to save the realloc() function in use</td></tr><tr><td><span class="term"><i><tt>strdupFunc</tt></i>:</span></td><td>place to save the strdup() function in use</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success</td></tr></tbody></table></div><h3><a name="xmlGcMemSetup" id="xmlGcMemSetup"></a>Function: xmlGcMemSetup</h3><pre class="programlisting">int	xmlGcMemSetup			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocAtomicFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc)<br />
    63. 

  63. </pre><p>Override the default memory access functions with a new set This has to be called before any other libxml routines ! The mallocAtomicFunc is specialized for atomic block allocations (i.e. of areas useful for garbage collected memory allocators Should this be blocked if there was already some allocations done ?</p>
    64. 

  64. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>freeFunc</tt></i>:</span></td><td>the free() function to use</td></tr><tr><td><span class="term"><i><tt>mallocFunc</tt></i>:</span></td><td>the malloc() function to use</td></tr><tr><td><span class="term"><i><tt>mallocAtomicFunc</tt></i>:</span></td><td>the malloc() function to use for atomic allocations</td></tr><tr><td><span class="term"><i><tt>reallocFunc</tt></i>:</span></td><td>the realloc() function to use</td></tr><tr><td><span class="term"><i><tt>strdupFunc</tt></i>:</span></td><td>the strdup() function to use</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success</td></tr></tbody></table></div><h3><a name="xmlInitMemory" id="xmlInitMemory"></a>Function: xmlInitMemory</h3><pre class="programlisting">int	xmlInitMemory			(void)<br />
    65. 

  65. </pre><p>Initialize the memory layer.</p>
    66. 

  66. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success</td></tr></tbody></table></div><h3><a name="xmlMallocAtomicLoc" id="xmlMallocAtomicLoc"></a>Function: xmlMallocAtomicLoc</h3><pre class="programlisting">void *	xmlMallocAtomicLoc		(size_t size, <br />					 const char * file, <br />					 int line)<br />
    67. 

  67. </pre><p>a malloc() equivalent, with logging of the allocation info.</p>
    68. 

  68. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>an int specifying the size in byte to allocate.</td></tr><tr><td><span class="term"><i><tt>file</tt></i>:</span></td><td>the file name or NULL</td></tr><tr><td><span class="term"><i><tt>line</tt></i>:</span></td><td>the line number</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the allocated area or NULL in case of lack of memory.</td></tr></tbody></table></div><h3><a name="xmlMallocFunc" id="xmlMallocFunc"></a>Function type: xmlMallocFunc</h3><pre class="programlisting">Function type: xmlMallocFunc
    69. 

  69. void *	xmlMallocFunc			(size_t size)
    70. 

  70. </pre><p>Signature for a malloc() implementation.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>the size requested in bytes</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the newly allocated block or NULL in case of error.</td></tr></tbody></table></div><br />
    71. 

  71. <h3><a name="xmlMallocLoc" id="xmlMallocLoc"></a>Function: xmlMallocLoc</h3><pre class="programlisting">void *	xmlMallocLoc			(size_t size, <br />					 const char * file, <br />					 int line)<br />
    72. 

  72. </pre><p>a malloc() equivalent, with logging of the allocation info.</p>
    73. 

  73. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>an int specifying the size in byte to allocate.</td></tr><tr><td><span class="term"><i><tt>file</tt></i>:</span></td><td>the file name or NULL</td></tr><tr><td><span class="term"><i><tt>line</tt></i>:</span></td><td>the line number</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the allocated area or NULL in case of lack of memory.</td></tr></tbody></table></div><h3><a name="xmlMemBlocks" id="xmlMemBlocks"></a>Function: xmlMemBlocks</h3><pre class="programlisting">int	xmlMemBlocks			(void)<br />
    74. 

  74. </pre><p>Provides the number of memory areas currently allocated</p>
    75. 

  75. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>an int representing the number of blocks</td></tr></tbody></table></div><h3><a name="xmlMemDisplay" id="xmlMemDisplay"></a>Function: xmlMemDisplay</h3><pre class="programlisting">void	xmlMemDisplay			(FILE * fp)<br />
    76. 

  76. </pre><p>show in-extenso the memory blocks allocated</p>
    77. 

  77. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>fp</tt></i>:</span></td><td>a FILE descriptor used as the output file, if NULL, the result is written to the file .memorylist</td></tr></tbody></table></div><h3><a name="xmlMemDisplayLast" id="xmlMemDisplayLast"></a>Function: xmlMemDisplayLast</h3><pre class="programlisting">void	xmlMemDisplayLast		(FILE * fp, <br />					 long nbBytes)<br />
    78. 

  78. </pre><p>the last nbBytes of memory allocated and not freed, useful for dumping the memory left allocated between two places at runtime.</p>
    79. 

  79. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>fp</tt></i>:</span></td><td>a FILE descriptor used as the output file, if NULL, the result is written to the file .memorylist</td></tr><tr><td><span class="term"><i><tt>nbBytes</tt></i>:</span></td><td>the amount of memory to dump</td></tr></tbody></table></div><h3><a name="xmlMemFree" id="xmlMemFree"></a>Function: xmlMemFree</h3><pre class="programlisting">void	xmlMemFree			(void * ptr)<br />
    80. 

  80. </pre><p>a free() equivalent, with error checking.</p>
    81. 

  81. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ptr</tt></i>:</span></td><td>the memory block pointer</td></tr></tbody></table></div><h3><a name="xmlMemGet" id="xmlMemGet"></a>Function: xmlMemGet</h3><pre class="programlisting">int	xmlMemGet			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc)<br />
    82. 

  82. </pre><p>Provides the memory access functions set currently in use</p>
    83. 

  83. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>freeFunc</tt></i>:</span></td><td>place to save the free() function in use</td></tr><tr><td><span class="term"><i><tt>mallocFunc</tt></i>:</span></td><td>place to save the malloc() function in use</td></tr><tr><td><span class="term"><i><tt>reallocFunc</tt></i>:</span></td><td>place to save the realloc() function in use</td></tr><tr><td><span class="term"><i><tt>strdupFunc</tt></i>:</span></td><td>place to save the strdup() function in use</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success</td></tr></tbody></table></div><h3><a name="xmlMemMalloc" id="xmlMemMalloc"></a>Function: xmlMemMalloc</h3><pre class="programlisting">void *	xmlMemMalloc			(size_t size)<br />
    84. 

  84. </pre><p>a malloc() equivalent, with logging of the allocation info.</p>
    85. 

  85. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>an int specifying the size in byte to allocate.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the allocated area or NULL in case of lack of memory.</td></tr></tbody></table></div><h3><a name="xmlMemRealloc" id="xmlMemRealloc"></a>Function: xmlMemRealloc</h3><pre class="programlisting">void *	xmlMemRealloc			(void * ptr, <br />					 size_t size)<br />
    86. 

  86. </pre><p>a realloc() equivalent, with logging of the allocation info.</p>
    87. 

  87. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ptr</tt></i>:</span></td><td>the initial memory block pointer</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>an int specifying the size in byte to allocate.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the allocated area or NULL in case of lack of memory.</td></tr></tbody></table></div><h3><a name="xmlMemSetup" id="xmlMemSetup"></a>Function: xmlMemSetup</h3><pre class="programlisting">int	xmlMemSetup			(<a href="libxml-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br />					 <a href="libxml-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br />					 <a href="libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc)<br />
    88. 

  88. </pre><p>Override the default memory access functions with a new set This has to be called before any other libxml routines ! Should this be blocked if there was already some allocations done ?</p>
    89. 

  89. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>freeFunc</tt></i>:</span></td><td>the free() function to use</td></tr><tr><td><span class="term"><i><tt>mallocFunc</tt></i>:</span></td><td>the malloc() function to use</td></tr><tr><td><span class="term"><i><tt>reallocFunc</tt></i>:</span></td><td>the realloc() function to use</td></tr><tr><td><span class="term"><i><tt>strdupFunc</tt></i>:</span></td><td>the strdup() function to use</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 on success</td></tr></tbody></table></div><h3><a name="xmlMemShow" id="xmlMemShow"></a>Function: xmlMemShow</h3><pre class="programlisting">void	xmlMemShow			(FILE * fp, <br />					 int nr)<br />
    90. 

  90. </pre><p>show a show display of the memory allocated, and dump the @nr last allocated areas which were not freed</p>
    91. 

  91. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>fp</tt></i>:</span></td><td>a FILE descriptor used as the output file</td></tr><tr><td><span class="term"><i><tt>nr</tt></i>:</span></td><td>number of entries to dump</td></tr></tbody></table></div><h3><a name="xmlMemStrdupLoc" id="xmlMemStrdupLoc"></a>Function: xmlMemStrdupLoc</h3><pre class="programlisting">char *	xmlMemStrdupLoc			(const char * str, <br />					 const char * file, <br />					 int line)<br />
    92. 

  92. </pre><p>a strdup() equivalent, with logging of the allocation info.</p>
    93. 

  93. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the initial string pointer</td></tr><tr><td><span class="term"><i><tt>file</tt></i>:</span></td><td>the file name or NULL</td></tr><tr><td><span class="term"><i><tt>line</tt></i>:</span></td><td>the line number</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the new string or NULL if allocation error occurred.</td></tr></tbody></table></div><h3><a name="xmlMemUsed" id="xmlMemUsed"></a>Function: xmlMemUsed</h3><pre class="programlisting">int	xmlMemUsed			(void)<br />
    94. 

  94. </pre><p>Provides the amount of memory currently allocated</p>
    95. 

  95. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>an int representing the amount of memory allocated.</td></tr></tbody></table></div><h3><a name="xmlMemoryDump" id="xmlMemoryDump"></a>Function: xmlMemoryDump</h3><pre class="programlisting">void	xmlMemoryDump			(void)<br />
    96. 

  96. </pre><p>Dump in-extenso the memory blocks allocated to the file .memorylist</p>
    97. 

  97. <h3><a name="xmlMemoryStrdup" id="xmlMemoryStrdup"></a>Function: xmlMemoryStrdup</h3><pre class="programlisting">char *	xmlMemoryStrdup			(const char * str)<br />
    98. 

  98. </pre><p>a strdup() equivalent, with logging of the allocation info.</p>
    99. 

  99. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the initial string pointer</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the new string or NULL if allocation error occurred.</td></tr></tbody></table></div><h3><a name="xmlReallocFunc" id="xmlReallocFunc"></a>Function type: xmlReallocFunc</h3><pre class="programlisting">Function type: xmlReallocFunc
    100. 

  100. void *	xmlReallocFunc			(void * mem, <br />					 size_t size)
    101. 

  101. </pre><p>Signature for a realloc() implementation.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>mem</tt></i>:</span></td><td>an already allocated block of memory</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>the new size requested in bytes</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the newly reallocated block or NULL in case of error.</td></tr></tbody></table></div><br />
    102. 

  102. <h3><a name="xmlReallocLoc" id="xmlReallocLoc"></a>Function: xmlReallocLoc</h3><pre class="programlisting">void *	xmlReallocLoc			(void * ptr, <br />					 size_t size, <br />					 const char * file, <br />					 int line)<br />
    103. 

  103. </pre><p>a realloc() equivalent, with logging of the allocation info.</p>
    104. 

  104. <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ptr</tt></i>:</span></td><td>the initial memory block pointer</td></tr><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>an int specifying the size in byte to allocate.</td></tr><tr><td><span class="term"><i><tt>file</tt></i>:</span></td><td>the file name or NULL</td></tr><tr><td><span class="term"><i><tt>line</tt></i>:</span></td><td>the line number</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the allocated area or NULL in case of lack of memory.</td></tr></tbody></table></div><h3><a name="xmlStrdupFunc" id="xmlStrdupFunc"></a>Function type: xmlStrdupFunc</h3><pre class="programlisting">Function type: xmlStrdupFunc
    105. 

  105. char *	xmlStrdupFunc			(const char * str)
    106. 

  106. </pre><p>Signature for an strdup() implementation.</p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>a zero terminated string</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the copy of the string or NULL in case of error.</td></tr></tbody></table></div><br />
    107. 

  107. <p><a href="../bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html>
    108.