68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
#ifndef __FT_SYSTEM_MEMORY_H__
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#define __FT_SYSTEM_MEMORY_H__
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#include <ft2build.h>
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FT_BEGIN_HEADER
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/* handle to memory structure */
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typedef struct FT_MemoryRec_* FT_Memory;
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/* a function used to allocate a new block of memory from a heap */
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typedef FT_Pointer (*FT_Memory_AllocFunc)( FT_ULong size,
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FT_Memory memory );
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/* a function used to free a block of memory */
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typedef void (*FT_Memory_FreeFunc) ( FT_Pointer block,
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FT_Memory memory );
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/* a function used to reallocate a given memory block to a new size */
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typedef FT_Pointer (*FT_Memory_ReallocFunc)( FT_Pointer block,
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FT_ULong new_size,
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FT_ULong cur_size,
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FT_Memory memory );
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/* a function called to allocate a new structure of 'size' bytes that */
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/* will be used for a new FT_Memory object.. */
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/* */
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typedef FT_Pointer (*FT_Memory_CreateFunc)( FT_UInt size,
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FT_Pointer init_data );
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/* a function used to destroy a FT_Memory object */
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typedef void (*FT_Memory_DestroyFunc)( FT_Memory memory );
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/* a structure holding the functions used to describe a given FT_Memory */
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/* implementation.. */
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/* */
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typedef struct FT_Memory_FuncsRec_
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{
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FT_Memory_AllocFunc mem_alloc;
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FT_Memory_FreeFunc mem_free;
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FT_Memory_ReallocFunc mem_realloc;
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FT_Memory_CreateFunc mem_create;
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FT_Memory_DestroyFunc mem_destroy;
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} FT_Memory_FuncsRec, *FT_Memory_Funcs;
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/* a function used to create a new custom FT_Memory object */
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/* */
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FT_BASE_DEF( FT_Memory )
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ft_memory_new( FT_Memory_Funcs mem_funcs,
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FT_Pointer mem_init_data );
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/* a function used to destroy a custom FT_Memory object */
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FT_BASE_DEF( void )
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ft_memory_destroy( FT_Memory memory );
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/* a pointer to the default memory functions used by FreeType in a */
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/* given build. By default, uses the ISO C malloc/free/realloc */
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/* */
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FT_APIVAR( const FT_MemoryFuncs ) ft_memory_funcs_default;
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/* */
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FT_END_HEADER
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#endif /* __FT_SYSTEM_MEMORY_H__ */
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