Print which argument was unknown before giving usage message

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/listres.c b/listres.c
index 5f9c348..2b73181 100644
--- a/listres.c
+++ b/listres.c
@@ -262,13 +262,18 @@ main (int argc, char **argv)
 				(Bool) options.show_superclass,
 				(Bool) options.show_variable);
 	    }
-	} else
+	} else {
+	  fprintf(stderr, "Unknown argument: %s\n", argv[0]);
 	  usage();
+	}
     } else {
 	for (; argc > 0; argc--, argv++) {
 	    XmuWidgetNode *node;
 
-	    if (argv[0][0] == '-') usage ();
+	    if (argv[0][0] == '-') {
+		fprintf(stderr, "Unknown argument: %s\n", argv[0]);
+		usage();
+	    }
 	    node = XmuWnNameToNode (widget_list, nwidgets, *argv);
 	    if (!node) {
 		fprintf (stderr, "%s:  unable to find widget \"%s\"\n",