From 95aeebf438f8249cc7645722cc37dbf408ecfe71 Mon Sep 17 00:00:00 2001
From: suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
Date: Sat, 1 Aug 2009 00:30:13 +0900
Subject: [PATCH] ftobjs.c: Prevent an overflow in glyph index handling.

---
 ChangeLog         | 7 +++++++
 src/base/ftobjs.c | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index a84558c6b..3a45c7e8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-07-31  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+
+	ftobjs.c: Prevent an overflow in glyph index handling.
+
+	* src/base/ftobjs.c (FT_Face_GetCharsOfVariant):
+	Improve the cast in comparison to avoid the truncation.
+
 2009-07-31  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
 
 	Improve the variable types in raccess_make_file_name().
diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index 5bb4e4ec8..6325af36e 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -3297,7 +3297,7 @@
       ((FT_Byte*)buffer)[0] = 0;
 
     if ( face                                     &&
-         glyph_index <= (FT_UInt)face->num_glyphs &&
+         (FT_Long)glyph_index <= face->num_glyphs &&
          FT_HAS_GLYPH_NAMES( face )               )
     {
       FT_Service_GlyphDict  service;