diff -ur chkconfig-1.2.24~/chkconfig.c chkconfig-1.2.24/chkconfig.c

--- chkconfig-1.2.24~/chkconfig.c	Sat Jan 26 20:13:02 2002

+++ chkconfig-1.2.24/chkconfig.c	Sat Jan 26 20:27:34 2002

@@ -283,6 +283,8 @@

     bindtextdomain("chkconfig","/usr/share/locale"); 

     textdomain("chkconfig"); 

+    if (argc < 1) usage();

+

     optCon = poptGetContext("chkconfig", argc, argv, optionsTable, 0);

     poptReadDefaultConfig(optCon, 1);