utils-std

commit: 1571514d4ca067ce9e42072cb5173e83b39be700
parent fae6a89ddb02a54da798899cd915a15570b3662d
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 27 Sep 2024 02:33:07 +0200

cmd/join: error message when argc != 2

Diffstat:
M
cmd/join.c
6
+++++-

1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/cmd/join.c b/cmd/join.c
@@ -204,7 +204,11 @@ main(int argc, char *argv[])
 
 	if(aflag && vflag) errx(1, "error: the -a and -v options are mutually exclusive");
 
-	if(argc != 2) usage();
+	if(argc != 2)
+	{
+		fprintf(stderr, "%s: error: Need exactly 2 file operands, got %d instead\n", argv0, argc);
+		usage();
+	}
 
 	/* Open the files; "-" means stdin. */
 	if(!strcmp(*argv, "-"))