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 * 4. 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
30#ifndef lint
31static const char copyright[] =
32"@(#) Copyright (c) 1991, 1993, 1994\n\
33	The Regents of the University of California.  All rights reserved.\n";
34#endif /* not lint */
35
36#ifndef lint
37static const char sccsid[] = "@(#)dirname.c	8.4 (Berkeley) 5/4/95";
38#endif /* not lint */
39#include <sys/cdefs.h>
40__FBSDID("$FreeBSD: stable/11/usr.bin/dirname/dirname.c 332463 2018-04-13 03:30:10Z kevans $");
41
42#include <capsicum_helpers.h>
43#include <err.h>
44#include <libgen.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <unistd.h>
48
49void usage(void);
50
51int
52main(int argc, char **argv)
53{
54	char *p;
55	int ch;
56
57	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
58		err(1, "capsicum");
59
60	while ((ch = getopt(argc, argv, "")) != -1)
61		switch(ch) {
62		case '?':
63		default:
64			usage();
65		}
66	argc -= optind;
67	argv += optind;
68
69	if (argc < 1)
70		usage();
71
72	while (argc--) {
73		if ((p = dirname(*argv)) == NULL)
74			err(1, "%s", *argv);
75		argv++;
76		(void)printf("%s\n", p);
77	}
78	exit(0);
79}
80
81void
82usage(void)
83{
84
85	(void)fprintf(stderr, "usage: dirname string [...]\n");
86	exit(1);
87}
88