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-rw-r--r--slstatus.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/slstatus.c b/slstatus.c
index 4b6770b..052af87 100644
--- 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);