Index: trunk/psModules/src/objects/pmSourceIO_OBJ.c
===================================================================
--- trunk/psModules/src/objects/pmSourceIO_OBJ.c	(revision 14938)
+++ trunk/psModules/src/objects/pmSourceIO_OBJ.c	(revision 15562)
@@ -3,6 +3,6 @@
  *  @author EAM, IfA
  *
- *  @version $Revision: 1.15 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-09-21 00:09:05 $
+ *  @version $Revision: 1.16 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-11-10 01:09:20 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -42,4 +42,6 @@
 bool pmSourcesWriteOBJ (psArray *sources, char *filename)
 {
+    PS_ASSERT_PTR_NON_NULL(sources, false);
+    PS_ASSERT_PTR_NON_NULL(filename, false);
 
     int type;