diff options
Diffstat (limited to 'src/3rdparty/freetype/src/otvalid/otvbase.c')
| -rw-r--r-- | src/3rdparty/freetype/src/otvalid/otvbase.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/src/3rdparty/freetype/src/otvalid/otvbase.c b/src/3rdparty/freetype/src/otvalid/otvbase.c index 24038c63b7..a01d45c707 100644 --- a/src/3rdparty/freetype/src/otvalid/otvbase.c +++ b/src/3rdparty/freetype/src/otvalid/otvbase.c @@ -4,7 +4,7 @@ /* */ /* OpenType BASE table validation (body). */ /* */ -/* Copyright 2004-2015 by */ +/* Copyright 2004-2018 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -284,22 +284,41 @@ OTV_Validator otvalid = &otvalidrec; FT_Bytes p = table; FT_UInt table_size; + FT_UShort version; OTV_OPTIONAL_TABLE( HorizAxis ); OTV_OPTIONAL_TABLE( VertAxis ); + OTV_OPTIONAL_TABLE32( itemVarStore ); + otvalid->root = ftvalid; FT_TRACE3(( "validating BASE table\n" )); OTV_INIT; - OTV_LIMIT_CHECK( 6 ); + OTV_LIMIT_CHECK( 4 ); - if ( FT_NEXT_ULONG( p ) != 0x10000UL ) /* Version */ + if ( FT_NEXT_USHORT( p ) != 1 ) /* majorVersion */ FT_INVALID_FORMAT; - table_size = 6; + version = FT_NEXT_USHORT( p ); /* minorVersion */ + + table_size = 8; + switch ( version ) + { + case 0: + OTV_LIMIT_CHECK( 4 ); + break; + + case 1: + OTV_LIMIT_CHECK( 8 ); + table_size += 4; + break; + + default: + FT_INVALID_FORMAT; + } OTV_OPTIONAL_OFFSET( HorizAxis ); OTV_SIZE_CHECK( HorizAxis ); @@ -311,6 +330,14 @@ if ( VertAxis ) otv_Axis_validate( table + VertAxis, otvalid ); + if ( version > 0 ) + { + OTV_OPTIONAL_OFFSET32( itemVarStore ); + OTV_SIZE_CHECK32( itemVarStore ); + if ( itemVarStore ) + OTV_TRACE(( " [omitting itemVarStore validation]\n" )); /* XXX */ + } + FT_TRACE4(( "\n" )); } |