1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1992, 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#include <err.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36#include <unistd.h>
37
38static int rm_path(char *);
39static void usage(void) __dead2;
40
41static int pflag;
42static int vflag;
43
44int
45main(int argc, char *argv[])
46{
47	int ch, errors;
48
49	while ((ch = getopt(argc, argv, "pv")) != -1)
50		switch(ch) {
51		case 'p':
52			pflag = 1;
53			break;
54		case 'v':
55			vflag = 1;
56			break;
57		case '?':
58		default:
59			usage();
60		}
61	argc -= optind;
62	argv += optind;
63
64	if (argc == 0)
65		usage();
66
67	for (errors = 0; *argv; argv++) {
68		if (rmdir(*argv) < 0) {
69			warn("%s", *argv);
70			errors = 1;
71		} else {
72			if (vflag)
73				printf("%s\n", *argv);
74			if (pflag)
75				errors |= rm_path(*argv);
76		}
77	}
78
79	exit(errors);
80}
81
82static int
83rm_path(char *path)
84{
85	char *p;
86
87	p = path + strlen(path);
88	while (--p > path && *p == '/')
89		;
90	*++p = '\0';
91	while ((p = strrchr(path, '/')) != NULL) {
92		/* Delete trailing slashes. */
93		while (--p >= path && *p == '/')
94			;
95		*++p = '\0';
96		if (p == path)
97			break;
98
99		if (rmdir(path) < 0) {
100			warn("%s", path);
101			return (1);
102		}
103		if (vflag)
104			printf("%s\n", path);
105	}
106
107	return (0);
108}
109
110static void
111usage(void)
112{
113
114	(void)fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
115	exit(2);
116}
117