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Fix Savannah bug #30236. 

* src/sfnt/ttcmap.c (tt_face_build_cmaps): Improve check for pointer
to `cmap_table'.
This commit is contained in:
Werner Lemberg 2010-06-24 08:48:10 +02:00
parent 3cf87f4d27
commit 8b1c34da4c
2 changed files with 12 additions and 4 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2010-06-24 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #30236.
* src/sfnt/ttcmap.c (tt_face_build_cmaps): Improve check for pointer
to `cmap_table'.
2010-06-24 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #30235.

5
src/sfnt/ttcmap.c
View File

@ -4,7 +4,7 @@
/* */
/* TrueType character mapping table (cmap) support (body). */
/* */
/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -3393,10 +3393,11 @@
FT_UInt volatile num_cmaps;
FT_Byte* volatile p = table;
FT_Library library = FT_FACE_LIBRARY( face );
FT_UNUSED( library );
if ( p + 4 > limit )
if ( !p || p + 4 > limit )
return SFNT_Err_Invalid_Table;
/* only recognize format 0 */