scc

commit 5bb6d19f73d6504a46ed55e16f357ade07e709f3
parent 59402b0a9be9b9ead0fa86bc90b24701cae4e87b
Author: Quentin Rameau <quinq@fifth.space>
Date:   Thu, 10 Jan 2019 17:10:33 +0100

[ar] Print usage on mutually exclusive options

Diffstat:
M
src/cmd/ar.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/cmd/ar.c b/src/cmd/ar.c
@@ -617,7 +617,10 @@ main(int argc, char *argv[])
 		usage();
 	} ARGEND
 
-	if (nkey == 0 || nkey > 1 || pos > 1 || argc == 0)
+	if (nkey == 0 || nkey > 1 || pos > 1 || argc == 0 ||
+	    (aflag || bflag) && !(key == 'm' || key == 'r') ||
+	    cflag && !(key == 'q' || key == 'r') ||
+	    uflag && key != 'r')
 		usage();
 
 	signal(SIGINT, sigfun);