dump a useful error message if nothing happened

2007-09-25 01:47:02 +00:00
parent 5e28066929
commit 450cc13a5c
1 changed files with 3 additions and 0 deletions
--- a/src/fstabinfo.c
+++ b/src/fstabinfo.c
@@ -150,5 +150,8 @@ int fstabinfo (int argc, char **argv)
 			break;
 	}

+	if (result != EXIT_SUCCESS && argc == optind)
+		fprintf (stderr, "%s: no arguments specified\n", argv[0]);
+
 	exit (result);
 }