* src/truetype/ttinterp.c (Ins_IUP): Check number of points. Fix

from Savannah bug #22356.

ChangeLog

@@ -1,3 +1,8 @@
+2008-02-18  Victor Stinner  <victor.stinner@haypocalc.com>
+
+	* src/truetype/ttinterp.c (Ins_IUP): Check number of points.  Fix
+	from Savannah bug #22356.
+
 2008-02-17  Jonathan Blow  <jon@number-none.com>
 
 	* src/autofit/afloader.c (af_loader_load_g, af_loader_load_glyph):

src/truetype/ttinterp.c

@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    TrueType bytecode interpreter (body).                                */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by             */
+/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by       */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -6434,6 +6434,9 @@
       end_point   = CUR.pts.contours[contour] - CUR.pts.first_point;
       first_point = point;
 
+      if ( CUR.pts.n_points <= end_point )
+        end_point = CUR.pts.n_points;
+
       while ( point <= end_point && ( CUR.pts.tags[point] & mask ) == 0 )
         point++;