diff options
Diffstat (limited to 'src/3rdparty/freetype/src/cid/cidparse.c')
| -rw-r--r-- | src/3rdparty/freetype/src/cid/cidparse.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/3rdparty/freetype/src/cid/cidparse.c b/src/3rdparty/freetype/src/cid/cidparse.c index d8476cdae8..c276949779 100644 --- a/src/3rdparty/freetype/src/cid/cidparse.c +++ b/src/3rdparty/freetype/src/cid/cidparse.c @@ -4,7 +4,7 @@ /* */ /* CID-keyed Type1 parser (body). */ /* */ -/* Copyright 1996-2007, 2009, 2013, 2014 by */ +/* Copyright 1996-2015 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -86,13 +86,13 @@ /* `StartData' or `/sfnts' */ { FT_Byte buffer[256 + 10]; - FT_Long read_len = 256 + 10; /* same as signed FT_Stream->size */ + FT_ULong read_len = 256 + 10; FT_Byte* p = buffer; for ( offset = FT_STREAM_POS(); ; offset += 256 ) { - FT_Long stream_len; /* same as signed FT_Stream->size */ + FT_ULong stream_len; stream_len = stream->size - FT_STREAM_POS(); @@ -176,7 +176,18 @@ if ( cur[0] == 'S' && ft_strncmp( (char*)cur, "StartData", 9 ) == 0 ) { if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 ) - parser->binary_length = ft_atol( (const char *)arg2 ); + { + FT_Long tmp = ft_atol( (const char *)arg2 ); + + + if ( tmp < 0 ) + { + FT_ERROR(( "cid_parser_new: invalid length of hex data\n" )); + error = FT_THROW( Invalid_File_Format ); + } + else + parser->binary_length = (FT_ULong)tmp; + } goto Exit; } |