diff options
Diffstat (limited to 'freetype/src/gxvalid/gxvtrak.c')
| -rw-r--r-- | freetype/src/gxvalid/gxvtrak.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/freetype/src/gxvalid/gxvtrak.c b/freetype/src/gxvalid/gxvtrak.c index df3fd15c0..11fbd7ccf 100644 --- a/freetype/src/gxvalid/gxvtrak.c +++ b/freetype/src/gxvalid/gxvtrak.c @@ -97,10 +97,10 @@ { FT_Bytes p = table; - FT_Fixed track; + FT_Fixed track, t; FT_UShort nameIndex; FT_UShort offset; - FT_UShort i; + FT_UShort i, j; GXV_NAME_ENTER( "trackTable" ); @@ -108,9 +108,11 @@ GXV_TRAK_DATA( trackValueOffset_min ) = 0xFFFFU; GXV_TRAK_DATA( trackValueOffset_max ) = 0x0000; + GXV_LIMIT_CHECK( nTracks * ( 4 + 2 + 2 ) ); + for ( i = 0; i < nTracks; i ++ ) { - GXV_LIMIT_CHECK( 4 + 2 + 2 ); + p = table + i * ( 4 + 2 + 2 ); track = FT_NEXT_LONG( p ); nameIndex = FT_NEXT_USHORT( p ); offset = FT_NEXT_USHORT( p ); @@ -121,6 +123,15 @@ GXV_TRAK_DATA( trackValueOffset_max ) = offset; gxv_sfntName_validate( nameIndex, 256, 32767, valid ); + + for ( j = i; j < nTracks; j ++ ) + { + p = table + j * ( 4 + 2 + 2 ); + t = FT_NEXT_LONG( p ); + if ( t == track ) + GXV_TRACE(( "duplicated entries found for track value 0x%x\n", + track )); + } } valid->subtable_length = p - table; @@ -198,7 +209,6 @@ { FT_Bytes p = table; FT_Bytes limit = 0; - FT_Offset table_size; GXV_ValidatorRec validrec; GXV_Validator valid = &validrec; @@ -220,7 +230,6 @@ valid->face = face; limit = valid->root->limit; - table_size = limit - table; FT_TRACE3(( "validating `trak' table\n" )); GXV_INIT; |