commit f0cfd58e932e01a7aad5d923aa4e558a02ff404e
parent a46944add9146303500834b2c5d336694bd04a72
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Mon, 2 Feb 2015 19:56:17 +0100
chvt: usage using argv0
Diffstat:
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/chvt.c b/chvt.c
@@ -25,7 +25,7 @@ static char *vts[] = {
static void
usage(void)
{
- eprintf("usage: chvt N\n");
+ eprintf("usage: %s N\n", argv0);
}
int
@@ -35,6 +35,9 @@ main(int argc, char *argv[])
int fd;
char c;
+ ARGBEGIN {
+ } ARGEND;
+
if (argc != 2 || strspn(argv[1], "1234567890") != strlen(argv[1]))
usage();