1 /* $OpenBSD: rmdir.c,v 1.14 2019/06/28 13:34:59 deraadt Exp $ */
2 /* $NetBSD: rmdir.c,v 1.13 1995/03/21 09:08:31 cgd Exp $ */
3
4 /*-
5 * Copyright (c) 1992, 1993, 1994
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <err.h>
34 #include <errno.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39
40 extern char *__progname;
41
42 int rm_path(char *);
43 static void __dead usage(void);
44
45 int
main(int argc,char * argv[])46 main(int argc, char *argv[])
47 {
48 int ch, errors;
49 int pflag;
50
51 if (pledge("stdio cpath", NULL) == -1)
52 err(1, "pledge");
53
54 pflag = 0;
55 while ((ch = getopt(argc, argv, "p")) != -1)
56 switch(ch) {
57 case 'p':
58 pflag = 1;
59 break;
60 default:
61 usage();
62 }
63 argc -= optind;
64 argv += optind;
65
66 if (argc == 0)
67 usage();
68
69 for (errors = 0; *argv; argv++) {
70 char *p;
71
72 /* Delete trailing slashes, per POSIX. */
73 p = *argv + strlen(*argv);
74 while (--p > *argv && *p == '/')
75 continue;
76 *++p = '\0';
77
78 if (rmdir(*argv) == -1) {
79 warn("%s", *argv);
80 errors = 1;
81 } else if (pflag)
82 errors |= rm_path(*argv);
83 }
84
85 return (errors);
86 }
87
88 int
rm_path(char * path)89 rm_path(char *path)
90 {
91 char *p;
92
93 while ((p = strrchr(path, '/')) != NULL) {
94 /* Delete trailing slashes. */
95 while (--p > path && *p == '/')
96 continue;
97 *++p = '\0';
98
99 if (rmdir(path) == -1) {
100 warn("%s", path);
101 return (1);
102 }
103 }
104
105 return (0);
106 }
107
108 static void __dead
usage(void)109 usage(void)
110 {
111 fprintf(stderr, "usage: %s [-p] directory ...\n", __progname);
112 exit(1);
113 }
114