1 /*-
2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: src/usr.bin/dirname/dirname.c,v 1.5.6.2 2001/08/02 01:49:44 obrien Exp $
30 *
31 * @(#) Copyright (c) 1991, 1993, 1994 The Regents of the University of California. All rights reserved.
32 * @(#)dirname.c 8.4 (Berkeley) 5/4/95
33 */
34
35 #include <err.h>
36 #include <libgen.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <unistd.h>
40
41 static void usage(void);
42
43 int
main(int argc,char ** argv)44 main(int argc, char **argv)
45 {
46 char *p;
47 int ch;
48
49 /*
50 * No options supported
51 */
52 while ((ch = getopt(argc, argv, "")) != -1) {
53 switch(ch) {
54 default:
55 usage();
56 }
57 }
58 argc -= optind;
59 argv += optind;
60
61 if (argc < 1)
62 usage();
63
64 while (argc--) {
65 if ((p = dirname(*argv)) == NULL)
66 err(1, "%s", *argv);
67 argv++;
68 printf("%s\n", p);
69 }
70 exit(0);
71 }
72
73 static void
usage(void)74 usage(void)
75 {
76 fprintf(stderr, "usage: dirname path [...]\n");
77 exit(1);
78 }
79