Print usage() when we are left with arguments

diff --git a/slstatus.c b/slstatus.c
index 4b6770b51130449c77fd3a2f53ec3801a906c8cd..052af871e1970f6bf7bf9fed332b5708b5698f73 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -861,6 +861,10 @@ main(int argc, char *argv[])
                        usage();
        } ARGEND
 
+       if (argc) {
+               usage();
+       }
+
        memset(&act, 0, sizeof(act));
        act.sa_handler = sighandler;
        sigaction(SIGINT,  &act, 0);