Index: trunk/psLib/src/sys/psString.c
===================================================================
--- trunk/psLib/src/sys/psString.c	(revision 11711)
+++ trunk/psLib/src/sys/psString.c	(revision 12286)
@@ -13,6 +13,6 @@
  *  @author David Robbins, MHPCC
  *
- *  @version $Revision: 1.52 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-02-08 22:27:30 $
+ *  @version $Revision: 1.53 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-03-07 00:17:48 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -87,6 +87,4 @@
                          unsigned int nChar)
 {
-    PS_ASSERT_PTR_NON_NULL(string, NULL);
-
     // Pass through NULL values
     if (!string) {
@@ -123,5 +121,5 @@
 {
     PS_ASSERT_PTR_NON_NULL(dest, 0);
-    PS_ASSERT_PTR_NON_NULL(format, 0);
+    PS_ASSERT_STRING_NON_EMPTY(format, 0);
 
     va_list ap;
@@ -141,5 +139,5 @@
 {
     PS_ASSERT_PTR_NON_NULL(dest, 0);
-    PS_ASSERT_PTR_NON_NULL(format, 0);
+    PS_ASSERT_STRING_NON_EMPTY(format, 0);
 
     size_t          length = 0;             // complete string length (sans \0)
@@ -194,5 +192,5 @@
 {
     PS_ASSERT_PTR_NON_NULL(dest, 0);
-    PS_ASSERT_PTR_NON_NULL(format, 0);
+    PS_ASSERT_STRING_NON_EMPTY(format, 0);
 
     va_list ap;
@@ -213,5 +211,5 @@
 {
     PS_ASSERT_PTR_NON_NULL(dest, 0);
-    PS_ASSERT_PTR_NON_NULL(format, 0);
+    PS_ASSERT_STRING_NON_EMPTY(format, 0);
 
     size_t          length;             // complete string length (sans \0)
@@ -275,5 +273,5 @@
                       bool multipleAreSignificant)
 {
-    PS_ASSERT_PTR_NON_NULL(splitters, NULL);
+    PS_ASSERT_STRING_NON_EMPTY(splitters, NULL);
 
     psList *values = psListAlloc(NULL); // The list of values to return