1 /* $OpenBSD: dirname.c,v 1.11 2005/04/07 07:16:21 otto Exp $ */
2
3 /*
4 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <err.h>
20 #include <libgen.h>
21 #include <locale.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
25
26 __RCSID("$MirOS: src/usr.bin/dirname/dirname.c,v 1.2 2007/07/05 23:09:39 tg Exp $");
27
28 void usage(void);
29
30 int
main(int argc,char * argv[])31 main(int argc, char *argv[])
32 {
33 int ch;
34 char *dir;
35
36 #ifndef __MirBSD__
37 setlocale(LC_ALL, "");
38 #endif
39
40 while ((ch = getopt(argc, argv, "")) != -1) {
41 switch (ch) {
42 default:
43 usage();
44 }
45 }
46 argc -= optind;
47 argv += optind;
48
49 if (argc != 1)
50 usage();
51
52 if ((dir = dirname(argv[0])) == NULL)
53 err(1, "%s", argv[0]);
54 puts(dir);
55 exit(0);
56 }
57
58 extern char *__progname;
59
60 void
usage(void)61 usage(void)
62 {
63 (void)fprintf(stderr, "Usage: %s pathname\n", __progname);
64 exit(1);
65 }
66