Print which argument was unknown before giving usage message

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

1 files changed, 7 insertions, 1 deletions

diff --git a/viewres.c b/viewres.c
index d53e220..56ba828 100644
--- a/viewres.c
+++ b/viewres.c
@@ -895,8 +895,14 @@ main(int argc, char *argv[])
                                Options, XtNumber(Options),
                                &argc, argv, (String *) fallback_resources,
                                (ArgList) NULL, ZERO);
-    if (argc != 1)
+    if (argc != 1) {
+        fputs("Unknown argument(s):", stderr);
+        for (int n = 1; n < argc; n++) {
+            fprintf(stderr, " %s", argv[n]);
+        }
+        fputs("\n\n", stderr);
         usage();
+    }
 
     initialize_widgetnode_list(&selected_list.elements,
                                &selected_list.max_elements, 10);