[gs-cvs] rev 8131 - trunk/gs/src

[ray at ghostscript.com]

Author: ray
Date: 2007-07-16 10:39:09 -0700 (Mon, 16 Jul 2007)
New Revision: 8131

Modified:
   trunk/gs/src/gximag3x.c
Log:
Prevent potential (although unlikely) divide by zero.


Modified: trunk/gs/src/gximag3x.c
===================================================================
--- trunk/gs/src/gximag3x.c	2007-07-16 17:25:30 UTC (rev 8130)
+++ trunk/gs/src/gximag3x.c	2007-07-16 17:39:09 UTC (rev 8131)
@@ -489,8 +489,9 @@
     gx_device_memory *midev;
     int code;
 
-    if (height > max_ulong/width)	/* protect against overflow in bitmap size */
-	return_error(gs_error_VMerror);
+    if (width != 0)
+	if (height > max_ulong/width)	/* protect against overflow in bitmap size */
+	    return_error(gs_error_VMerror);
     if (mdproto == 0)
 	return_error(gs_error_rangecheck);
     midev = gs_alloc_struct(mem, gx_device_memory, &st_device_memory,