Index: trunk/psModules/src/objects/pmSourceIO_SMPDATA.c
===================================================================
--- trunk/psModules/src/objects/pmSourceIO_SMPDATA.c	(revision 14938)
+++ trunk/psModules/src/objects/pmSourceIO_SMPDATA.c	(revision 15562)
@@ -3,6 +3,6 @@
  *  @author EAM, IfA
  *
- *  @version $Revision: 1.11 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-09-21 00:09:05 $
+ *  @version $Revision: 1.12 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-11-10 01:09:20 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -42,6 +42,11 @@
 // this format consists of a header derived from the image header
 // followed by a zero-size matrix, followed by the table data
-bool pmSourcesWrite_SMPDATA (psFits *fits, psArray *sources, psMetadata *imageHeader, psMetadata *tableHeader, char *extname)
+// XXX: input parameter imageHeader is never used
+bool pmSourcesWrite_SMPDATA (psFits *fits, psArray *sources, psMetadata *imageHeader,
+                             psMetadata *tableHeader, char *extname)
 {
+    PS_ASSERT_PTR_NON_NULL(fits, false);
+    PS_ASSERT_PTR_NON_NULL(sources, false);
+    PS_ASSERT_PTR_NON_NULL(extname, false);
 
     psArray *table;
@@ -126,4 +131,6 @@
 psArray *pmSourcesRead_SMPDATA (psFits *fits, psMetadata *header)
 {
+    PS_ASSERT_PTR_NON_NULL(fits, false);
+    PS_ASSERT_PTR_NON_NULL(header, false);
 
     bool status;