diff options
Diffstat (limited to 'freetype/src/lzw/ftlzw.c')
| -rw-r--r-- | freetype/src/lzw/ftlzw.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/freetype/src/lzw/ftlzw.c b/freetype/src/lzw/ftlzw.c index 8bdd0b4e8..459fc81d7 100644 --- a/freetype/src/lzw/ftlzw.c +++ b/freetype/src/lzw/ftlzw.c @@ -8,7 +8,7 @@ /* be used to parse compressed PCF fonts, as found with many X11 server */ /* distributions. */ /* */ -/* Copyright 2004-2006, 2009, 2010, 2012, 2013 by */ +/* Copyright 2004-2006, 2009, 2010, 2012-2014 by */ /* Albert Chin-A-Young. */ /* */ /* Based on code in src/gzip/ftgzip.c, Copyright 2004 by */ @@ -96,8 +96,8 @@ goto Exit; /* head[0] && head[1] are the magic numbers */ - if ( head[0] != 0x1f || - head[1] != 0x9d ) + if ( head[0] != 0x1F || + head[1] != 0x9D ) error = FT_THROW( Invalid_File_Format ); Exit: @@ -349,10 +349,18 @@ FT_Stream source ) { FT_Error error; - FT_Memory memory = source->memory; + FT_Memory memory; FT_LZWFile zip = NULL; + if ( !stream || !source ) + { + error = FT_THROW( Invalid_Stream_Handle ); + goto Exit; + } + + memory = source->memory; + /* * Check the header right now; this prevents allocation of a huge * LZWFile object (400 KByte of heap memory) if not necessary. |