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added xmlMallocAtomic() to be used when allocating blocks which do not

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* DOCBparser.c HTMLparser.c c14n.c catalog.c encoding.c globals.c
  nanohttp.c parser.c parserInternals.c relaxng.c tree.c uri.c
  xmlmemory.c xmlreader.c xmlregexp.c xpath.c xpointer.c
  include/libxml/globals.h include/libxml/xmlmemory.h: added
  xmlMallocAtomic() to be used when allocating blocks which
  do not contains pointers, add xmlGcMemSetup() and xmlGcMemGet()
  to allow registering the full set of functions needed by
  a garbage collecting allocator like libgc, ref #109944
Daniel
This commit is contained in:
Daniel Veillard
2003-04-19 00:07:51 +00:00
parent 8494271318
commit 3c908dca47
20 changed files with 251 additions and 51 deletions
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23
include/libxml/xmlmemory.h
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@@ -86,12 +86,15 @@ typedef char *(*xmlStrdupFunc)(const char *str);
* The 4 interfaces used for all memory handling within libxml.
LIBXML_DLL_IMPORT extern xmlFreeFunc xmlFree;
LIBXML_DLL_IMPORT extern xmlMallocFunc xmlMalloc;
LIBXML_DLL_IMPORT extern xmlMallocFunc xmlMallocAtomic;
LIBXML_DLL_IMPORT extern xmlReallocFunc xmlRealloc;
LIBXML_DLL_IMPORT extern xmlStrdupFunc xmlMemStrdup;
*/
/*
* The way to overload the existing functions.
* The xmlGc function have an extra entry for atomic block
* allocations useful for garbage collected memory allocators
*/
int xmlMemSetup (xmlFreeFunc freeFunc,
xmlMallocFunc mallocFunc,
@@ -101,6 +104,16 @@ int xmlMemGet (xmlFreeFunc *freeFunc,
xmlMallocFunc *mallocFunc,
xmlReallocFunc *reallocFunc,
xmlStrdupFunc *strdupFunc);
int xmlGcMemSetup (xmlFreeFunc freeFunc,
xmlMallocFunc mallocFunc,
xmlMallocFunc mallocAtomicFunc,
xmlReallocFunc reallocFunc,
xmlStrdupFunc strdupFunc);
int xmlGcMemGet (xmlFreeFunc *freeFunc,
xmlMallocFunc *mallocFunc,
xmlMallocFunc *mallocAtomicFunc,
xmlReallocFunc *reallocFunc,
xmlStrdupFunc *strdupFunc);
/*
* Initialization of the memory layer.
@@ -129,6 +142,16 @@ char * xmlMemoryStrdup (const char *str);
* Returns the pointer to the allocated area or NULL in case of error.
*/
#define xmlMalloc(size) xmlMallocLoc((size), __FILE__, __LINE__)
/**
* xmlMallocAtomic:
* @size: number of bytes to allocate
*
* Wrapper for the malloc() function used in the XML library for allocation
* of block not containing pointers to other areas.
*
* Returns the pointer to the allocated area or NULL in case of error.
*/
#define xmlMallocAtomic(size) xmlMallocAtomicLoc((size), __FILE__, __LINE__)
/**
* xmlRealloc:
* @ptr: pointer to the existing allocated area