Index: ms-ole.c
===================================================================
RCS file: /cvsroot/wv/libole2/ms-ole.c,v
retrieving revision 1.44
diff -u -r1.44 ms-ole.c
--- ms-ole.c	4 Sep 2004 22:34:40 -0000	1.44
+++ ms-ole.c	13 Sep 2004 20:28:45 -0000
@@ -1086,6 +1086,11 @@
 #if OLE_DEBUG > 0
 	g_print ("get_pps_ptr: blk = %d\n", blk);
 #endif
+
+	if ( blk > BLOCK_COUNT(f)) {
+		g_warning ("Serious error finding pps %d\n", i);
+		return 0;
+	}
 
 	if (forwrite)
 		return BB_W_PTR(f, blk) + (i%(BB_BLOCK_SIZE/PPS_BLOCK_SIZE))*PPS_BLOCK_SIZE;