diff options
Diffstat (limited to 'src/freetype2/otvalid/otvgpos.c')
| -rw-r--r-- | src/freetype2/otvalid/otvgpos.c | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/src/freetype2/otvalid/otvgpos.c b/src/freetype2/otvalid/otvgpos.c index ed34705..49b4618 100644 --- a/src/freetype2/otvalid/otvgpos.c +++ b/src/freetype2/otvalid/otvgpos.c @@ -4,7 +4,7 @@ /* */ /* OpenType GPOS table validation (body). */ /* */ -/* Copyright 2002, 2004, 2005, 2006 by */ +/* Copyright 2002, 2004, 2005, 2006, 2007, 2008 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -124,8 +124,8 @@ Array1 = FT_NEXT_USHORT( p ); Array2 = FT_NEXT_USHORT( p ); - otv_Coverage_validate( table + Coverage1, valid ); - otv_Coverage_validate( table + Coverage2, valid ); + otv_Coverage_validate( table + Coverage1, valid, -1 ); + otv_Coverage_validate( table + Coverage2, valid, -1 ); otv_MarkArray_validate( table + Array1, valid ); @@ -191,7 +191,7 @@ #endif if ( format >= 0x100 ) - FT_INVALID_DATA; + FT_INVALID_FORMAT; for ( count = 4; count > 0; count-- ) { @@ -209,7 +209,7 @@ { if ( format & 1 ) { - FT_UInt table_size; + FT_PtrDist table_size; OTV_OPTIONAL_TABLE( device ); @@ -294,7 +294,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -376,7 +376,7 @@ Coverage = FT_NEXT_USHORT( p ); ValueFormat = FT_NEXT_USHORT( p ); - otv_Coverage_validate( table + Coverage, valid ); + otv_Coverage_validate( table + Coverage, valid, -1 ); otv_ValueRecord_validate( p, ValueFormat, valid ); /* Value */ } break; @@ -395,7 +395,7 @@ len_value = otv_value_length( ValueFormat ); - otv_Coverage_validate( table + Coverage, valid ); + otv_Coverage_validate( table + Coverage, valid, ValueCount ); OTV_LIMIT_CHECK( ValueCount * len_value ); @@ -409,7 +409,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -498,7 +498,7 @@ OTV_TRACE(( " (PairSetCount = %d)\n", PairSetCount )); - otv_Coverage_validate( table + Coverage, valid ); + otv_Coverage_validate( table + Coverage, valid, -1 ); OTV_LIMIT_CHECK( PairSetCount * 2 ); @@ -530,7 +530,7 @@ len_value1 = otv_value_length( ValueFormat1 ); len_value2 = otv_value_length( ValueFormat2 ); - otv_Coverage_validate( table + Coverage, valid ); + otv_Coverage_validate( table + Coverage, valid, -1 ); otv_ClassDef_validate( table + ClassDef1, valid ); otv_ClassDef_validate( table + ClassDef2, valid ); @@ -558,7 +558,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -605,7 +605,7 @@ OTV_TRACE(( " (EntryExitCount = %d)\n", EntryExitCount )); - otv_Coverage_validate( table + Coverage, valid ); + otv_Coverage_validate( table + Coverage, valid, EntryExitCount ); OTV_LIMIT_CHECK( EntryExitCount * 4 ); @@ -629,7 +629,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -644,7 +644,10 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra2 (0) */ + /* UNDOCUMENTED (in OpenType 1.5): */ + /* BaseRecord tables can contain NULL pointers. */ + + /* sets valid->extra2 (1) */ static void otv_MarkBasePos_validate( FT_Bytes table, @@ -664,13 +667,13 @@ switch ( PosFormat ) { case 1: - valid->extra2 = 0; + valid->extra2 = 1; OTV_NEST2( MarkBasePosFormat1, BaseArray ); OTV_RUN( table, valid ); break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -711,7 +714,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -752,7 +755,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -811,7 +814,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -872,7 +875,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -908,7 +911,8 @@ { case 1: /* ExtensionPosFormat1 */ { - FT_UInt ExtensionLookupType, ExtensionOffset; + FT_UInt ExtensionLookupType; + FT_ULong ExtensionOffset; OTV_Validate_Func validate; @@ -925,7 +929,7 @@ break; default: - FT_INVALID_DATA; + FT_INVALID_FORMAT; } OTV_EXIT; @@ -989,7 +993,7 @@ OTV_LIMIT_CHECK( 10 ); if ( FT_NEXT_ULONG( p ) != 0x10000UL ) /* Version */ - FT_INVALID_DATA; + FT_INVALID_FORMAT; ScriptList = FT_NEXT_USHORT( p ); FeatureList = FT_NEXT_USHORT( p ); |