Fix Savannah bug #33047. Patch submitted by anonymous reporter. * src/psaux/psobjs.c (ps_table_add): Use FT_PtrDist for pointer difference.
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diff --git a/ChangeLog b/ChangeLog
index 09be153..6dd597c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-04-13 Werner Lemberg <wl@gnu.org>
+
+ Fix Savannah bug #33047.
+
+ Patch submitted by anonymous reporter.
+
+ * src/psaux/psobjs.c (ps_table_add): Use FT_PtrDist for pointer
+ difference.
+
2011-04-11 Kan-Ru Chen <kanru@kanru.info>
Fix reading of signed integers from files on 64bit platforms.
diff --git a/src/psaux/psobjs.c b/src/psaux/psobjs.c
index 45c7419..a28b5fc 100644
--- a/src/psaux/psobjs.c
+++ b/src/psaux/psobjs.c
@@ -4,8 +4,7 @@
/* */
/* Auxiliary functions for PostScript fonts (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */
-/* 2010 by */
+/* Copyright 1996-2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -186,13 +185,13 @@
/* grow the base block if needed */
if ( table->cursor + length > table->capacity )
{
- FT_Error error;
- FT_Offset new_size = table->capacity;
- FT_Long in_offset;
+ FT_Error error;
+ FT_Offset new_size = table->capacity;
+ FT_PtrDist in_offset;
- in_offset = (FT_Long)((FT_Byte*)object - table->block);
- if ( (FT_ULong)in_offset >= table->capacity )
+ in_offset = (FT_Byte*)object - table->block;
+ if ( in_offset < 0 || (FT_Offset)in_offset >= table->capacity )
in_offset = -1;
while ( new_size < table->cursor + length )