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/*******************************************************************
*
* Copyright 1996-2000 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* Copyright 2006 Behdad Esfahbod
*
* This is part of HarfBuzz, an OpenType Layout engine library.
*
* See the file name COPYING for licensing information.
*
******************************************************************/
#ifndef HARFBUZZ_IMPL_H
#define HARFBUZZ_IMPL_H
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_TRUETYPE_TAGS_H
#include "harfbuzz-global.h"
HB_BEGIN_HEADER
#ifndef HB_INTERNAL
# define HB_INTERNAL
#endif
#ifndef NULL
# define NULL ((void *)0)
#endif
#ifndef FALSE
# define FALSE 0
#endif
#ifndef TRUE
# define TRUE 1
#endif
#ifndef TTAG_GDEF
# define TTAG_GDEF HB_MAKE_TAG( 'G', 'D', 'E', 'F' )
#endif
#ifndef TTAG_GPOS
# define TTAG_GPOS HB_MAKE_TAG( 'G', 'P', 'O', 'S' )
#endif
#ifndef TTAG_GSUB
# define TTAG_GSUB HB_MAKE_TAG( 'G', 'S', 'U', 'B' )
#endif
#ifndef HB_UNUSED
# define HB_UNUSED(arg) ((arg) = (arg))
#endif
#define HB_LIKELY(cond) (cond)
#define HB_UNLIKELY(cond) (cond)
#define ARRAY_LEN(Array) ((int)(sizeof (Array) / sizeof (Array)[0]))
#define ALLOC(_ptr,_size) \
( (_ptr) = _hb_alloc( _size, &error ), error != 0 )
#define REALLOC(_ptr,_newsz) \
( (_ptr) = _hb_realloc( (_ptr), (_newsz), &error ), error != 0 )
#define FREE(_ptr) \
do { \
if ( (_ptr) ) \
{ \
_hb_free( _ptr ); \
_ptr = NULL; \
} \
} while (0)
#define ALLOC_ARRAY(_ptr,_count,_type) \
ALLOC(_ptr,(_count)*sizeof(_type))
#define REALLOC_ARRAY(_ptr,_newcnt,_type) \
REALLOC(_ptr,(_newcnt)*sizeof(_type))
#define MEM_Copy(dest,source,count) memcpy( (char*)(dest), (const char*)(source), (size_t)(count) )
#define ERR(err) _hb_err (err)
HB_INTERNAL HB_Pointer
_hb_alloc( HB_UInt size,
HB_Error *perror_ );
HB_INTERNAL HB_Pointer
_hb_realloc( HB_Pointer block,
HB_UInt new_size,
HB_Error *perror_ );
HB_INTERNAL void
_hb_free( HB_Pointer block );
/* helper func to set a breakpoint on */
HB_INTERNAL HB_Error
_hb_err (HB_Error code);
HB_END_HEADER
#endif /* HARFBUZZ_IMPL_H */
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