Index: branches/eam_branches/largefiles.20100314/Ohana/src/addstar/src/addstar.c
===================================================================
--- branches/eam_branches/largefiles.20100314/Ohana/src/addstar/src/addstar.c	(revision 27352)
+++ branches/eam_branches/largefiles.20100314/Ohana/src/addstar/src/addstar.c	(revision 27353)
@@ -149,4 +149,12 @@
       case M_RESORT:
 	if (options.nosort == 3) catalog.sorted = FALSE;
+
+	// no need to resort empty catalogs
+	if (catalog.Naves_disk == 0) {
+	  dvo_catalog_unlock (&catalog);
+	  dvo_catalog_free (&catalog);
+	  continue;
+	}
+
 	resort_catalog (&catalog);
 	Nsubset = 1;