rmdir.c revision 1.4 
1/*
2 * Copyright (c) 1983 The Regents of the University of California.
3 * 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. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35char copyright[] =
36"@(#) Copyright (c) 1983 The Regents of the University of California.\n\
37 All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41static char sccsid[] = "@(#)rmdir.c	5.3 (Berkeley) 5/31/90";
42#endif /* not lint */
43
44/*
45 * Remove directory
46 */
47#include <stdio.h>
48#include <stdlib.h>
49#include <string.h>
50#include <errno.h>
51
52main(argc, argv)
53	int argc;
54	char **argv;
55{
56	int errors;
57	int ch;
58	int delete_parent_directories = 0;
59
60	while ((ch = getopt (argc, argv, "p")) != EOF) {
61		switch (ch) {
62		case 'p':
63			delete_parent_directories = 1;
64			break;
65		case '?':
66		default:
67			usage();
68			/* NOTREACHED */
69		}
70	}
71
72	if (!*(argv += optind)) {
73		usage ();
74		/* NOTREACHED */
75	}
76
77	for (errors = 0; *argv; argv++) {
78		if (!delete_parent_directories) {
79			if (rmdir(*argv) < 0) {
80				fprintf(stderr, "rmdir: %s: %s\n",
81					*argv, strerror(errno));
82				errors = 1;
83			}
84		} else {
85			if (rmdirp(*argv) < 0) {
86				errors = 1;
87			}
88		}
89	}
90
91	exit(errors);
92}
93
94int
95rmdirp (char *path)
96{
97	char *slash;
98
99	/* point slash at last slash */
100	slash = strrchr (path, '/');
101
102	while (slash != NULL) {
103		if (rmdir (path) < 0) {
104			fprintf(stderr, "rmdir: %s: %s\n",
105				path, strerror(errno));
106			return -1;
107		}
108
109		/* skip trailing slash characters */
110		while (slash > path && *slash == '/')
111			slash--;
112
113		*++slash = '\0';
114		slash = strrchr (path, '/');
115	}
116
117	if (rmdir (path) < 0) {
118		fprintf(stderr, "rmdir: %s: %s\n", path, strerror(errno));
119		return -1;
120	}
121
122	return 0;
123}
124
125usage()
126{
127	fprintf(stderr, "usage: rmdir [-p] directory ...\n");
128	exit(1);
129}
130