annotate planemo/lib/python3.7/site-packages/lxml/includes/libxml/xmlmemory.h @ 1:56ad4e20f292 draft

"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 /*
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2 * Summary: interface for the memory allocator
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3 * Description: provides interfaces for the memory allocator,
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4 * including debugging capabilities.
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5 *
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6 * Copy: See Copyright for the status of this software.
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7 *
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8 * Author: Daniel Veillard
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9 */
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10
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11
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12 #ifndef __DEBUG_MEMORY_ALLOC__
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13 #define __DEBUG_MEMORY_ALLOC__
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14
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15 #include <stdio.h>
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16 #include <libxml/xmlversion.h>
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17
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18 /**
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19 * DEBUG_MEMORY:
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20 *
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21 * DEBUG_MEMORY replaces the allocator with a collect and debug
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22 * shell to the libc allocator.
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23 * DEBUG_MEMORY should only be activated when debugging
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24 * libxml i.e. if libxml has been configured with --with-debug-mem too.
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25 */
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26 /* #define DEBUG_MEMORY_FREED */
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27 /* #define DEBUG_MEMORY_LOCATION */
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28
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29 #ifdef DEBUG
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30 #ifndef DEBUG_MEMORY
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31 #define DEBUG_MEMORY
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32 #endif
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33 #endif
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34
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35 /**
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36 * DEBUG_MEMORY_LOCATION:
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37 *
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38 * DEBUG_MEMORY_LOCATION should be activated only when debugging
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39 * libxml i.e. if libxml has been configured with --with-debug-mem too.
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40 */
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41 #ifdef DEBUG_MEMORY_LOCATION
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42 #endif
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43
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44 #ifdef __cplusplus
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45 extern "C" {
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46 #endif
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47
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48 /*
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49 * The XML memory wrapper support 4 basic overloadable functions.
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50 */
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51 /**
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52 * xmlFreeFunc:
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53 * @mem: an already allocated block of memory
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54 *
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55 * Signature for a free() implementation.
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56 */
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57 typedef void (XMLCALL *xmlFreeFunc)(void *mem);
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58 /**
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59 * xmlMallocFunc:
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60 * @size: the size requested in bytes
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61 *
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62 * Signature for a malloc() implementation.
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63 *
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64 * Returns a pointer to the newly allocated block or NULL in case of error.
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65 */
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66 typedef void *(LIBXML_ATTR_ALLOC_SIZE(1) XMLCALL *xmlMallocFunc)(size_t size);
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67
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68 /**
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69 * xmlReallocFunc:
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70 * @mem: an already allocated block of memory
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71 * @size: the new size requested in bytes
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72 *
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73 * Signature for a realloc() implementation.
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74 *
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75 * Returns a pointer to the newly reallocated block or NULL in case of error.
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76 */
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77 typedef void *(XMLCALL *xmlReallocFunc)(void *mem, size_t size);
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78
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79 /**
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80 * xmlStrdupFunc:
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81 * @str: a zero terminated string
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82 *
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83 * Signature for an strdup() implementation.
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84 *
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85 * Returns the copy of the string or NULL in case of error.
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86 */
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87 typedef char *(XMLCALL *xmlStrdupFunc)(const char *str);
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88
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89 /*
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90 * The 4 interfaces used for all memory handling within libxml.
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91 LIBXML_DLL_IMPORT xmlFreeFunc xmlFree;
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92 LIBXML_DLL_IMPORT xmlMallocFunc xmlMalloc;
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93 LIBXML_DLL_IMPORT xmlMallocFunc xmlMallocAtomic;
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94 LIBXML_DLL_IMPORT xmlReallocFunc xmlRealloc;
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95 LIBXML_DLL_IMPORT xmlStrdupFunc xmlMemStrdup;
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96 */
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97
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98 /*
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99 * The way to overload the existing functions.
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100 * The xmlGc function have an extra entry for atomic block
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101 * allocations useful for garbage collected memory allocators
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102 */
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103 XMLPUBFUN int XMLCALL
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104 xmlMemSetup (xmlFreeFunc freeFunc,
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105 xmlMallocFunc mallocFunc,
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106 xmlReallocFunc reallocFunc,
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107 xmlStrdupFunc strdupFunc);
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108 XMLPUBFUN int XMLCALL
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109 xmlMemGet (xmlFreeFunc *freeFunc,
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110 xmlMallocFunc *mallocFunc,
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111 xmlReallocFunc *reallocFunc,
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112 xmlStrdupFunc *strdupFunc);
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113 XMLPUBFUN int XMLCALL
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114 xmlGcMemSetup (xmlFreeFunc freeFunc,
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115 xmlMallocFunc mallocFunc,
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116 xmlMallocFunc mallocAtomicFunc,
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117 xmlReallocFunc reallocFunc,
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118 xmlStrdupFunc strdupFunc);
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119 XMLPUBFUN int XMLCALL
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120 xmlGcMemGet (xmlFreeFunc *freeFunc,
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121 xmlMallocFunc *mallocFunc,
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122 xmlMallocFunc *mallocAtomicFunc,
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123 xmlReallocFunc *reallocFunc,
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124 xmlStrdupFunc *strdupFunc);
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125
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126 /*
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127 * Initialization of the memory layer.
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128 */
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129 XMLPUBFUN int XMLCALL
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130 xmlInitMemory (void);
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131
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132 /*
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133 * Cleanup of the memory layer.
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134 */
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135 XMLPUBFUN void XMLCALL
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136 xmlCleanupMemory (void);
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137 /*
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138 * These are specific to the XML debug memory wrapper.
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139 */
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140 XMLPUBFUN int XMLCALL
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141 xmlMemUsed (void);
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142 XMLPUBFUN int XMLCALL
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143 xmlMemBlocks (void);
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144 XMLPUBFUN void XMLCALL
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145 xmlMemDisplay (FILE *fp);
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146 XMLPUBFUN void XMLCALL
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147 xmlMemDisplayLast(FILE *fp, long nbBytes);
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148 XMLPUBFUN void XMLCALL
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149 xmlMemShow (FILE *fp, int nr);
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150 XMLPUBFUN void XMLCALL
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151 xmlMemoryDump (void);
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152 XMLPUBFUN void * XMLCALL
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153 xmlMemMalloc (size_t size) LIBXML_ATTR_ALLOC_SIZE(1);
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154 XMLPUBFUN void * XMLCALL
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155 xmlMemRealloc (void *ptr,size_t size);
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156 XMLPUBFUN void XMLCALL
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157 xmlMemFree (void *ptr);
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158 XMLPUBFUN char * XMLCALL
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159 xmlMemoryStrdup (const char *str);
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160 XMLPUBFUN void * XMLCALL
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161 xmlMallocLoc (size_t size, const char *file, int line) LIBXML_ATTR_ALLOC_SIZE(1);
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162 XMLPUBFUN void * XMLCALL
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163 xmlReallocLoc (void *ptr, size_t size, const char *file, int line);
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164 XMLPUBFUN void * XMLCALL
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165 xmlMallocAtomicLoc (size_t size, const char *file, int line) LIBXML_ATTR_ALLOC_SIZE(1);
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166 XMLPUBFUN char * XMLCALL
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167 xmlMemStrdupLoc (const char *str, const char *file, int line);
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168
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169
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170 #ifdef DEBUG_MEMORY_LOCATION
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171 /**
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172 * xmlMalloc:
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173 * @size: number of bytes to allocate
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174 *
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175 * Wrapper for the malloc() function used in the XML library.
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176 *
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177 * Returns the pointer to the allocated area or NULL in case of error.
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178 */
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179 #define xmlMalloc(size) xmlMallocLoc((size), __FILE__, __LINE__)
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180 /**
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181 * xmlMallocAtomic:
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182 * @size: number of bytes to allocate
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183 *
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184 * Wrapper for the malloc() function used in the XML library for allocation
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185 * of block not containing pointers to other areas.
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186 *
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187 * Returns the pointer to the allocated area or NULL in case of error.
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188 */
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189 #define xmlMallocAtomic(size) xmlMallocAtomicLoc((size), __FILE__, __LINE__)
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190 /**
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191 * xmlRealloc:
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192 * @ptr: pointer to the existing allocated area
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193 * @size: number of bytes to allocate
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194 *
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195 * Wrapper for the realloc() function used in the XML library.
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196 *
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197 * Returns the pointer to the allocated area or NULL in case of error.
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198 */
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199 #define xmlRealloc(ptr, size) xmlReallocLoc((ptr), (size), __FILE__, __LINE__)
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200 /**
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201 * xmlMemStrdup:
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202 * @str: pointer to the existing string
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203 *
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204 * Wrapper for the strdup() function, xmlStrdup() is usually preferred.
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205 *
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206 * Returns the pointer to the allocated area or NULL in case of error.
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207 */
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208 #define xmlMemStrdup(str) xmlMemStrdupLoc((str), __FILE__, __LINE__)
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209
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210 #endif /* DEBUG_MEMORY_LOCATION */
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211
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212 #ifdef __cplusplus
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213 }
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214 #endif /* __cplusplus */
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215
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216 #ifndef __XML_GLOBALS_H
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217 #ifndef __XML_THREADS_H__
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218 #include <libxml/threads.h>
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219 #include <libxml/globals.h>
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220 #endif
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221 #endif
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222
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223 #endif /* __DEBUG_MEMORY_ALLOC__ */
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224