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chvt: usage using argv0 - ubase - suckless linux base utils |
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git clone git://git.suckless.org/ubase |
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--- |
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commit f0cfd58e932e01a7aad5d923aa4e558a02ff404e |
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parent a46944add9146303500834b2c5d336694bd04a72 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Mon, 2 Feb 2015 19:56:17 +0100 |
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chvt: usage using argv0 |
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Diffstat: |
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M chvt.c | 5 ++++- |
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1 file changed, 4 insertions(+), 1 deletion(-) |
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--- |
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diff --git a/chvt.c b/chvt.c |
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@@ -25,7 +25,7 @@ static char *vts[] = { |
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static void |
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usage(void) |
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{ |
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- eprintf("usage: chvt N\n"); |
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+ eprintf("usage: %s N\n", argv0); |
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} |
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int |
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@@ -35,6 +35,9 @@ main(int argc, char *argv[]) |
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int fd; |
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char c; |
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+ ARGBEGIN { |
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+ } ARGEND; |
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+ |
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if (argc != 2 || strspn(argv[1], "1234567890") != strlen(argv[1])) |
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usage(); |
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