skeud

commit: 371f5a899203fa1af6a11a45e794da7ea7ee2b01
parent f4479ed7ac4a976ecb48bdd2f50a3cd53b69bc94
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Sun,  9 Oct 2022 03:49:25 +0200

su: Add support for - option

Diffstat:
M
su.c
14
++++++++++++++

1 file changed, 14 insertions(+), 0 deletions(-)
diff --git a/su.c b/su.c
@@ -74,6 +74,20 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
+	if(argv[0] && strcmp(argv[0], "-") == 0)
+	{
+		if(argc < 2)
+		{
+			fprintf(stderr, "su: Option - requires an operand\n");
+			return 1;
+		}
+
+		opt_l    = true;
+		username = argv[1];
+		argc -= 2;
+		argv += 2;
+	}
+
 	if((opt_l && argc > 0) || argc > 1)
 	{
 		fprintf(stderr, "su: Too many arguments given.\n");