1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1991, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #ifndef lint
33 static const char copyright[] =
34 "@(#) Copyright (c) 1991, 1993, 1994\n\
35 The Regents of the University of California. All rights reserved.\n";
36 #endif /* not lint */
37
38 #ifndef lint
39 static const char sccsid[] = "@(#)dirname.c 8.4 (Berkeley) 5/4/95";
40 #endif /* not lint */
41 #include <sys/cdefs.h>
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
49 void usage(void);
50
51 int
main(int argc,char ** argv)52 main(int argc, char **argv)
53 {
54 char *p;
55 int ch;
56
57 if (caph_limit_stdio() < 0 || caph_enter() < 0)
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
81 void
usage(void)82 usage(void)
83 {
84
85 (void)fprintf(stderr, "usage: dirname string [...]\n");
86 exit(1);
87 }
88