mirror of https://github.com/freetype/freetype
* include/internal/ftstream.h: modified the definitions
of the FT_GET_XXXX and NEXT_XXXX macros for 16-bit correctness
This commit is contained in:
David Turner
parent
a560a1e018
commit
ca90a2c46b
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@ -8,6 +8,11 @@
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* src/psaux/psobjs.c (T1_Decrypt): Ditto.
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* src/type1/t1parse.c (T1_Get_Private_Dict): Ditto.
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2001-06-28 David Turner <david@freetype.org>
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* include/internal/ftstream.h: modified the definitions
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of the FT_GET_XXXX and NEXT_XXXX macros for 16-bit correctness
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2001-06-26 Werner Lemberg <wl@gnu.org>
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* src/cid/cidload.c, src/cid/cidload.h (cid_decrypt): Use FT_Offset
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@ -144,35 +144,66 @@ FT_BEGIN_HEADER
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/* type `char*' or equivalent (1-byte elements). */
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/* */
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#define FT_GET_SHORT_BE( p ) \
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( (short)( ( (signed char)(p)[0] << 8 ) | \
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(p)[1] ) )
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#define FT_GET_SHORT_BE( p ) \
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((FT_Int16)( ( (FT_Int16)(FT_Char)(p)[0] << 8 ) | \
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(FT_Int16)(FT_Byte)(p)[1] ) )
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#define FT_GET_OFF3_BE( p ) \
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( (long) ( ( (signed char)(p)[0] << 16 ) | \
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( (p)[1] << 8 ) | \
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(p)[2] ) )
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#define FT_GET_USHORT_BE( p ) \
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((FT_Int16)( ( (FT_UInt16)(FT_Byte)(p)[0] << 8 ) | \
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(FT_UInt16)(FT_Byte)(p)[1] ) )
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#define FT_GET_LONG_BE( p ) \
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( (long) ( ( (signed char)(p)[0] << 24 ) | \
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( (p)[1] << 16 ) | \
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( (p)[2] << 8 ) | \
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(p)[3] ) )
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#define FT_GET_OFF3_BE( p ) \
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( (FT_Int32) ( ( (FT_Int32)(FT_Char)(p)[0] << 16 ) | \
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( (FT_Int32)(FT_Byte)(p)[1] << 8 ) | \
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(FT_Int32)(FT_Byte)(p)[2] ) )
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#define FT_GET_SHORT_LE( p ) \
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( (short)( ( (signed char)(p)[1] << 8 ) | \
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(p)[0] ) )
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#define FT_GET_UOFF3_BE( p ) \
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( (FT_Int32) ( ( (FT_UInt32)(FT_Byte)(p)[0] << 16 ) | \
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( (FT_UInt32)(FT_Byte)(p)[1] << 8 ) | \
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(FT_UInt32)(FT_Byte)(p)[2] ) )
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#define FT_GET_OFF3_LE( p ) \
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( (long) ( ( (signed char)(p)[2] << 16 ) | \
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( (p)[1] << 8 ) | \
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(p)[0] ) )
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#define FT_GET_LONG_BE( p ) \
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( (FT_Int32) ( ( (FT_Int32)(FT_Char)(p)[0] << 24 ) | \
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( (FT_Int32)(FT_Byte)(p)[1] << 16 ) | \
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( (FT_Int32)(FT_Byte)(p)[2] << 8 ) | \
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(FT_Int32)(FT_Byte)(p)[3] ) )
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#define FT_GET_ULONG_BE( p ) \
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( (FT_Int32) ( ( (FT_UInt32)(FT_Byte)(p)[0] << 24 ) | \
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( (FT_UInt32)(FT_Byte)(p)[1] << 16 ) | \
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( (FT_UInt32)(FT_Byte)(p)[2] << 8 ) | \
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(FT_UInt32)(FT_Byte)(p)[3] ) )
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#define FT_GET_SHORT_LE( p ) \
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((FT_Int16)( ( (FT_Int16)(FT_Char)(p)[1] << 8 ) | \
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(FT_Int16)(FT_Byte)(p)[0] ) )
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#define FT_GET_USHORT_LE( p ) \
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((FT_Int16)( ( (FT_UInt16)(FT_Byte)(p)[1] << 8 ) | \
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(FT_UInt16)(FT_Byte)(p)[0] ) )
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#define FT_GET_OFF3_LE( p ) \
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( (FT_Int32) ( ( (FT_Int32)(FT_Char)(p)[2] << 16 ) | \
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( (FT_Int32)(FT_Byte)(p)[1] << 8 ) | \
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(FT_Int32)(FT_Byte)(p)[0] ) )
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#define FT_GET_UOFF3_LE( p ) \
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( (FT_Int32) ( ( (FT_UInt32)(FT_Byte)(p)[2] << 16 ) | \
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( (FT_UInt32)(FT_Byte)(p)[1] << 8 ) | \
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(FT_UInt32)(FT_Byte)(p)[0] ) )
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#define FT_GET_LONG_LE( p ) \
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( (FT_Int32) ( ( (FT_Int32)(FT_Char)(p)[3] << 24 ) | \
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( (FT_Int32)(FT_Byte)(p)[2] << 16 ) | \
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( (FT_Int32)(FT_Byte)(p)[1] << 8 ) | \
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(FT_Int32)(FT_Byte)(p)[0] ) )
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#define FT_GET_ULONG_LE( p ) \
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( (FT_Int32) ( ( (FT_UInt32)(FT_Byte)(p)[3] << 24 ) | \
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( (FT_UInt32)(FT_Byte)(p)[2] << 16 ) | \
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( (FT_UInt32)(FT_Byte)(p)[1] << 8 ) | \
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(FT_UInt32)(FT_Byte)(p)[0] ) )
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#define FT_GET_LONG_LE( p ) \
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( (long) ( ( (signed char)(p)[3] << 24 ) | \
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( (p)[2] << 16 ) | \
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( (p)[1] << 8 ) | \
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(p)[0] ) )
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#define NEXT_Char( buffer ) \
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( (signed char)*buffer++ )
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@ -184,39 +215,39 @@ FT_BEGIN_HEADER
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( (short)( buffer += 2, FT_GET_SHORT_BE( buffer - 2 ) ) )
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#define NEXT_UShort( buffer ) \
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( (unsigned short)NEXT_Short( buffer ) )
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( (unsigned short)( buffer += 2, FT_GET_USHORT_BE( buffer - 2 ) ) )
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#define NEXT_Offset( buffer ) \
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( (long)( buffer += 3, FT_GET_OFF3_BE( buffer - 3 ) ) )
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#define NEXT_UOffset( buffer ) \
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( (unsigned long)NEXT_Offset( buffer ) )
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( (unsigned long)( buffer += 3, FT_GET_UOFF3_BE( buffer - 3 ) ) )
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#define NEXT_Long( buffer ) \
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( (long)( buffer += 4, FT_GET_LONG_BE( buffer - 4 ) ) )
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#define NEXT_ULong( buffer ) \
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( (unsigned long)NEXT_Long( buffer ) )
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( (unsigned long)( buffer += 4, FT_GET_ULONG_BE( buffer - 4 ) ) )
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#define NEXT_ShortLE( buffer ) \
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( (short)( buffer += 2, FT_GET_SHORT_LE( buffer - 2 ) ) )
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#define NEXT_UShortLE( buffer ) \
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( (unsigned short)NEXT_ShortLE( buffer ) )
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( (unsigned short)( buffer += 2, FT_GET_USHORT_LE( buffer - 2 ) ) )
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#define NEXT_OffsetLE( buffer ) \
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( (long)( buffer += 3, FT_GET_OFF3_LE( buffer - 3 ) ) )
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#define NEXT_UOffsetLE( buffer ) \
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( (unsigned long)NEXT_OffsetLE( buffer ) )
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( (unsigned long)( buffer += 3, FT_GET_UOFF3_LE( buffer - 3 ) ) )
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#define NEXT_LongLE( buffer ) \
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( (long)( buffer += 4, FT_GET_LONG_LE( buffer - 4 ) ) )
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#define NEXT_ULongLE( buffer ) \
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( (unsigned long)NEXT_LongLE( buffer ) )
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( (unsigned long)( buffer += 4, FT_GET_ULONG_LE( buffer - 4 ) ) )
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/*************************************************************************/
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