Index: trunk/psLib/src/sys/psString.c
===================================================================
--- trunk/psLib/src/sys/psString.c	(revision 7015)
+++ trunk/psLib/src/sys/psString.c	(revision 7115)
@@ -13,6 +13,6 @@
  *  @author David Robbins, MHPCC
  *
- *  @version $Revision: 1.28 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2006-05-01 00:57:07 $
+ *  @version $Revision: 1.29 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2006-05-13 08:56:48 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -230,5 +230,8 @@
 
     psList *values = psListAlloc(NULL); // The list of values to return
-    PS_ASSERT_PTR_NON_NULL(string, values);
+    if (string == NULL)
+        return values;
+    // XXX this should not generate an error : it is a valid case
+    // PS_ASSERT_PTR_NON_NULL(string, values);
 
     char *next = NULL;