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* Copyright (C) 1998-2004 David Turner and Werner Lemberg
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* Copyright (C) 2006 Behdad Esfahbod
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* This is part of HarfBuzz, an OpenType Layout engine library.
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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#ifndef HARFBUZZ_IMPL_H
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#define HARFBUZZ_IMPL_H
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#include "harfbuzz-global.h"
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# define NULL ((void *)0)
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# define TTAG_GDEF HB_MAKE_TAG( 'G', 'D', 'E', 'F' )
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# define TTAG_GPOS HB_MAKE_TAG( 'G', 'P', 'O', 'S' )
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# define TTAG_GSUB HB_MAKE_TAG( 'G', 'S', 'U', 'B' )
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# define HB_UNUSED(arg) ((arg) = (arg))
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#define HB_LIKELY(cond) (cond)
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#define HB_UNLIKELY(cond) (cond)
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#define ARRAY_LEN(Array) ((int)(sizeof (Array) / sizeof (Array)[0]))
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#define HB_IsHighSurrogate(ucs) \
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(((ucs) & 0xfc00) == 0xd800)
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#define HB_IsLowSurrogate(ucs) \
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(((ucs) & 0xfc00) == 0xdc00)
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#define HB_SurrogateToUcs4(high, low) \
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(((HB_UChar32)(high))<<10) + (low) - 0x35fdc00;
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#define ALLOC(_ptr,_size) \
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( (_ptr) = _hb_alloc( _size, &error ), error != 0 )
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#define REALLOC(_ptr,_newsz) \
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( (_ptr) = _hb_realloc( (_ptr), (_newsz), &error ), error != 0 )
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#define ALLOC_ARRAY(_ptr,_count,_type) \
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ALLOC(_ptr,(_count)*sizeof(_type))
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#define REALLOC_ARRAY(_ptr,_newcnt,_type) \
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REALLOC(_ptr,(_newcnt)*sizeof(_type))
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#define MEM_Copy(dest,source,count) memcpy( (char*)(dest), (const char*)(source), (size_t)(count) )
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#define ERR(err) _hb_err (err)
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HB_INTERNAL HB_Pointer
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_hb_alloc( size_t size,
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HB_INTERNAL HB_Pointer
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_hb_realloc( HB_Pointer block,
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_hb_free( HB_Pointer block );
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/* helper func to set a breakpoint on */
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_hb_err (HB_Error code);
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#endif /* HARFBUZZ_IMPL_H */