cmd-glob

commit: 05d56e99f0ada6175893c0a8762c545a3bd2b0f5
parent deca5340bc368b58fe0029b2c1b13bf11ef837d8
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Sat, 16 Sep 2023 05:46:36 +0200

glob: Print usage when there's no arguments

Diffstat:
M
glob.c
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/glob.c b/glob.c
@@ -29,6 +29,11 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
+	if(argc == 0) {
+		fprintf(stderr, "Usage: glob [-m] pattern ...\n");
+		return 1;
+	}
+
 	for(int i = 0; i < argc; i++)
 	{
 		char *pat = argv[i];