diff options
| author |   otto <otto@openbsd.org> | 2006-02-01 09:27:28 +0000 |
|---|---|---|
| committer | otto <otto@openbsd.org> | 2006-02-01 09:27:28 +0000 |
| commit | 6a87d5f5e14371bd8b2882c7c64dbc3f5bba4b8e (patch) | |
| tree | 69124fdbd14a06a0f9eedf8a8721e9f44d561b47 | |
| parent | save errno, from Ray Lai in PR 4999. (diff) | |
| download | wireguard-openbsd-6a87d5f5e14371bd8b2882c7c64dbc3f5bba4b8e.tar.xz wireguard-openbsd-6a87d5f5e14371bd8b2882c7c64dbc3f5bba4b8e.zip | |
Actually working example, from Ray Lai in PR 5000; with a twist (also
fix usage()) from me.
| -rw-r--r-- | share/misc/getopt | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/share/misc/getopt b/share/misc/getopt index 1ae9cbf3249..45c61ad9f34 100644 --- a/share/misc/getopt +++ b/share/misc/getopt @@ -1,30 +1,40 @@ -/* $OpenBSD: getopt,v 1.7 2002/07/22 20:13:14 pvalchev Exp $ */ +/* $OpenBSD: getopt,v 1.8 2006/02/01 09:27:28 otto Exp $ */ /* * Main/getopt(3) fragment. * * from: @(#)getopt 5.3 (Berkeley) 3/28/94 */ -#include <sys/types.h> +#include <stdio.h> #include <stdlib.h> +#include <unistd.h> -void usage(void); +__dead void usage(void); int main(int argc, char *argv[]) { - int ch; + int bflag, ch; + char *file; - while ((ch = getopt(argc, argv, "abcf:")) != -1) + bflag = 0; + file = NULL; + while ((ch = getopt(argc, argv, "bf:")) != -1) switch (ch) { - case '': + case 'b': + bflag = 1; + break; + case 'f': + file = optarg; break; - case '?': default: usage(); + /* NOTREACHED */ } argc -= optind; argv += optind; + + return (0); } void @@ -32,6 +42,6 @@ usage(void) { extern char *__progname; - (void)fprintf(stderr, "usage: %s [-abc] [-f file]\n", __progname); + (void)fprintf(stderr, "usage: %s [-b] [-f file]\n", __progname); exit(1); } |