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38    <h2>
39      <span class="refentrytitle">xmlmemory</span>
40    </h2>
41    <p>xmlmemory - interface for the memory allocator</p>
42    <p>provides interfaces for the memory allocator, including debugging capabilities. </p>
43    <p>Author(s): Daniel Veillard </p>
44    <div class="refsynopsisdiv">
45      <h2>Synopsis</h2>
46      <pre class="synopsis">#define <a href="#xmlRealloc">xmlRealloc</a>;
47#define <a href="#xmlMalloc">xmlMalloc</a>;
48#define <a href="#xmlMallocAtomic">xmlMallocAtomic</a>;
49#define <a href="#DEBUG_MEMORY">DEBUG_MEMORY</a>;
50#define <a href="#xmlMemStrdup">xmlMemStrdup</a>;
51void *	<a href="#xmlMemRealloc">xmlMemRealloc</a>			(void * ptr, <br/>					 size_t size);
52int	<a href="#xmlInitMemory">xmlInitMemory</a>			(void);
53void	<a href="#xmlMemFree">xmlMemFree</a>			(void * ptr);
54void *	<a href="#xmlMemMalloc">xmlMemMalloc</a>			(size_t size);
55void	<a href="#xmlMemDisplayLast">xmlMemDisplayLast</a>		(FILE * fp, <br/>					 long nbBytes);
56int	<a href="#xmlMemGet">xmlMemGet</a>			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc);
57void	<a href="#xmlMemoryDump">xmlMemoryDump</a>			(void);
58void *	<a href="#xmlMallocLoc">xmlMallocLoc</a>			(size_t size, <br/>					 const char * file, <br/>					 int line);
59void	<a href="#xmlMemDisplay">xmlMemDisplay</a>			(FILE * fp);
60int	<a href="#xmlMemBlocks">xmlMemBlocks</a>			(void);
61int	<a href="#xmlGcMemGet">xmlGcMemGet</a>			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocAtomicFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc);
62typedef char * <a href="#xmlStrdupFunc">xmlStrdupFunc</a>			(const char * str);
63typedef void <a href="#xmlFreeFunc">xmlFreeFunc</a>			(void * mem);
64void	<a href="#xmlMemShow">xmlMemShow</a>			(FILE * fp, <br/>					 int nr);
65void *	<a href="#xmlMallocAtomicLoc">xmlMallocAtomicLoc</a>		(size_t size, <br/>					 const char * file, <br/>					 int line);
66void *	<a href="#xmlReallocLoc">xmlReallocLoc</a>			(void * ptr, <br/>					 size_t size, <br/>					 const char * file, <br/>					 int line);
67void	<a href="#xmlCleanupMemory">xmlCleanupMemory</a>		(void);
68int	<a href="#xmlMemUsed">xmlMemUsed</a>			(void);
69int	<a href="#xmlMemSetup">xmlMemSetup</a>			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc);
70typedef void * <a href="#xmlReallocFunc">xmlReallocFunc</a>			(void * mem, <br/>					 size_t size);
71typedef void * <a href="#xmlMallocFunc">xmlMallocFunc</a>			(size_t size);
72int	<a href="#xmlGcMemSetup">xmlGcMemSetup</a>			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocAtomicFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc);
73char *	<a href="#xmlMemoryStrdup">xmlMemoryStrdup</a>			(const char * str);
74char *	<a href="#xmlMemStrdupLoc">xmlMemStrdupLoc</a>			(const char * str, <br/>					 const char * file, <br/>					 int line);
75</pre>
76    </div>
77    <div class="refsect1" lang="en">
78      <h2>Description</h2>
79    </div>
80    <div class="refsect1" lang="en">
81      <h2>Details</h2>
82      <div class="refsect2" lang="en">
83        <div class="refsect2" lang="en"><h3><a name="DEBUG_MEMORY">Macro </a>DEBUG_MEMORY</h3><pre class="programlisting">#define <a href="#DEBUG_MEMORY">DEBUG_MEMORY</a>;
84</pre><p><a href="libxml2-xmlmemory.html#DEBUG_MEMORY">DEBUG_MEMORY</a> replaces the allocator with a collect and debug shell to the libc allocator. <a href="libxml2-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="libxml2-xmlversion.html#DEBUG_MEMORY_LOCATION">DEBUG_MEMORY_LOCATION</a></p>
85</div>
86        <hr/>
87        <div class="refsect2" lang="en"><h3><a name="xmlFreeFunc"/>Function type xmlFreeFunc</h3><pre class="programlisting">void	xmlFreeFunc			(void * mem)<br/>
88</pre><p>Signature for a free() implementation.</p>
89<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></div>
90        <hr/>
91        <div class="refsect2" lang="en"><h3><a name="xmlMallocFunc"/>Function type xmlMallocFunc</h3><pre class="programlisting">void *	xmlMallocFunc			(size_t size)<br/>
92</pre><p>Signature for a malloc() implementation.</p>
93<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></div>
94        <hr/>
95        <div class="refsect2" lang="en"><h3><a name="xmlReallocFunc"/>Function type xmlReallocFunc</h3><pre class="programlisting">void *	xmlReallocFunc			(void * mem, <br/>					 size_t size)<br/>
96</pre><p>Signature for a realloc() implementation.</p>
97<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></div>
98        <hr/>
99        <div class="refsect2" lang="en"><h3><a name="xmlStrdupFunc"/>Function type xmlStrdupFunc</h3><pre class="programlisting">char *	xmlStrdupFunc			(const char * str)<br/>
100</pre><p>Signature for an strdup() implementation.</p>
101<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></div>
102        <hr/>
103        <div class="refsect2" lang="en"><h3><a name="xmlCleanupMemory"/>xmlCleanupMemory ()</h3><pre class="programlisting">void	xmlCleanupMemory		(void)<br/>
104</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>
105</div>
106        <hr/>
107        <div class="refsect2" lang="en"><h3><a name="xmlGcMemGet"/>xmlGcMemGet ()</h3><pre class="programlisting">int	xmlGcMemGet			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocAtomicFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc)<br/>
108</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>
109<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></div>
110        <hr/>
111        <div class="refsect2" lang="en"><h3><a name="xmlGcMemSetup"/>xmlGcMemSetup ()</h3><pre class="programlisting">int	xmlGcMemSetup			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocAtomicFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc)<br/>
112</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>
113<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></div>
114        <hr/>
115        <div class="refsect2" lang="en"><h3><a name="xmlInitMemory"/>xmlInitMemory ()</h3><pre class="programlisting">int	xmlInitMemory			(void)<br/>
116</pre><p>Initialize the memory layer.</p>
117<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></div>
118        <hr/>
119        <div class="refsect2" lang="en"><h3><a name="xmlMallocAtomicLoc"/>xmlMallocAtomicLoc ()</h3><pre class="programlisting">void *	xmlMallocAtomicLoc		(size_t size, <br/>					 const char * file, <br/>					 int line)<br/>
120</pre><p>a malloc() equivalent, with logging of the allocation info.</p>
121<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>size</tt></i>:</span></td><td>an unsigned 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></div>
122        <hr/>
123        <div class="refsect2" lang="en"><h3><a name="xmlMallocLoc"/>xmlMallocLoc ()</h3><pre class="programlisting">void *	xmlMallocLoc			(size_t size, <br/>					 const char * file, <br/>					 int line)<br/>
124</pre><p>a malloc() equivalent, with logging of the allocation info.</p>
125<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></div>
126        <hr/>
127        <div class="refsect2" lang="en"><h3><a name="xmlMemBlocks"/>xmlMemBlocks ()</h3><pre class="programlisting">int	xmlMemBlocks			(void)<br/>
128</pre><p>Provides the number of memory areas currently allocated</p>
129<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></div>
130        <hr/>
131        <div class="refsect2" lang="en"><h3><a name="xmlMemDisplay"/>xmlMemDisplay ()</h3><pre class="programlisting">void	xmlMemDisplay			(FILE * fp)<br/>
132</pre><p>show in-extenso the memory blocks allocated</p>
133<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></div>
134        <hr/>
135        <div class="refsect2" lang="en"><h3><a name="xmlMemDisplayLast"/>xmlMemDisplayLast ()</h3><pre class="programlisting">void	xmlMemDisplayLast		(FILE * fp, <br/>					 long nbBytes)<br/>
136</pre><p>the last nbBytes of memory allocated and not freed, useful for dumping the memory left allocated between two places at runtime.</p>
137<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></div>
138        <hr/>
139        <div class="refsect2" lang="en"><h3><a name="xmlMemFree"/>xmlMemFree ()</h3><pre class="programlisting">void	xmlMemFree			(void * ptr)<br/>
140</pre><p>a free() equivalent, with error checking.</p>
141<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></div>
142        <hr/>
143        <div class="refsect2" lang="en"><h3><a name="xmlMemGet"/>xmlMemGet ()</h3><pre class="programlisting">int	xmlMemGet			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> * freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> * mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> * reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> * strdupFunc)<br/>
144</pre><p>Provides the memory access functions set currently in use</p>
145<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></div>
146        <hr/>
147        <div class="refsect2" lang="en"><h3><a name="xmlMemMalloc"/>xmlMemMalloc ()</h3><pre class="programlisting">void *	xmlMemMalloc			(size_t size)<br/>
148</pre><p>a malloc() equivalent, with logging of the allocation info.</p>
149<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></div>
150        <hr/>
151        <div class="refsect2" lang="en"><h3><a name="xmlMemRealloc"/>xmlMemRealloc ()</h3><pre class="programlisting">void *	xmlMemRealloc			(void * ptr, <br/>					 size_t size)<br/>
152</pre><p>a realloc() equivalent, with logging of the allocation info.</p>
153<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></div>
154        <hr/>
155        <div class="refsect2" lang="en"><h3><a name="xmlMemSetup"/>xmlMemSetup ()</h3><pre class="programlisting">int	xmlMemSetup			(<a href="libxml2-xmlmemory.html#xmlFreeFunc">xmlFreeFunc</a> freeFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlMallocFunc">xmlMallocFunc</a> mallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlReallocFunc">xmlReallocFunc</a> reallocFunc, <br/>					 <a href="libxml2-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a> strdupFunc)<br/>
156</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>
157<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></div>
158        <hr/>
159        <div class="refsect2" lang="en"><h3><a name="xmlMemShow"/>xmlMemShow ()</h3><pre class="programlisting">void	xmlMemShow			(FILE * fp, <br/>					 int nr)<br/>
160</pre><p>show a show display of the memory allocated, and dump the @nr last allocated areas which were not freed</p>
161<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></div>
162        <hr/>
163        <div class="refsect2" lang="en"><h3><a name="xmlMemStrdupLoc"/>xmlMemStrdupLoc ()</h3><pre class="programlisting">char *	xmlMemStrdupLoc			(const char * str, <br/>					 const char * file, <br/>					 int line)<br/>
164</pre><p>a strdup() equivalent, with logging of the allocation info.</p>
165<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></div>
166        <hr/>
167        <div class="refsect2" lang="en"><h3><a name="xmlMemUsed"/>xmlMemUsed ()</h3><pre class="programlisting">int	xmlMemUsed			(void)<br/>
168</pre><p>Provides the amount of memory currently allocated</p>
169<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></div>
170        <hr/>
171        <div class="refsect2" lang="en"><h3><a name="xmlMemoryDump"/>xmlMemoryDump ()</h3><pre class="programlisting">void	xmlMemoryDump			(void)<br/>
172</pre><p>Dump in-extenso the memory blocks allocated to the file .memorylist</p>
173</div>
174        <hr/>
175        <div class="refsect2" lang="en"><h3><a name="xmlMemoryStrdup"/>xmlMemoryStrdup ()</h3><pre class="programlisting">char *	xmlMemoryStrdup			(const char * str)<br/>
176</pre><p>a strdup() equivalent, with logging of the allocation info.</p>
177<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></div>
178        <hr/>
179        <div class="refsect2" lang="en"><h3><a name="xmlReallocLoc"/>xmlReallocLoc ()</h3><pre class="programlisting">void *	xmlReallocLoc			(void * ptr, <br/>					 size_t size, <br/>					 const char * file, <br/>					 int line)<br/>
180</pre><p>a realloc() equivalent, with logging of the allocation info.</p>
181<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></div>
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