rmdir.c revision 1.8 
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
41/*static char sccsid[] = "from: @(#)rmdir.c	5.3 (Berkeley) 5/31/90";*/
42static char rcsid[] = "$Id: rmdir.c,v 1.8 1993/09/10 19:07:05 jtc Exp $";
43#endif /* not lint */
44
45/*
46 * Remove directory
47 */
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51#include <unistd.h>
52#include <errno.h>
53#include <err.h>
54
55static int rmdirp __P((char *));
56static void usage __P((void));
57
58int
59main(argc, argv)
60	int argc;
61	char **argv;
62{
63	int errors;
64	int ch;
65	int delete_parent_directories = 0;
66
67	while ((ch = getopt (argc, argv, "p")) != -1) {
68		switch (ch) {
69		case 'p':
70			delete_parent_directories = 1;
71			break;
72		case '?':
73		default:
74			usage();
75			/* NOTREACHED */
76		}
77	}
78
79	if (!*(argv += optind)) {
80		usage ();
81		/* NOTREACHED */
82	}
83
84	for (errors = 0; *argv; argv++) {
85		if (!delete_parent_directories) {
86			if (rmdir(*argv) < 0) {
87				warn ("%s", *argv);
88				errors = 1;
89			}
90		} else {
91			if (rmdirp(*argv) < 0) {
92				errors = 1;
93			}
94		}
95	}
96
97	exit(errors);
98}
99
100static int
101rmdirp (path)
102	char *path;
103{
104	char *slash;
105
106	for (;;) {
107		slash = strrchr (path, '/');
108		if (slash == NULL) {
109			return 0;
110		}
111
112		/* skip trailing slash characters */
113		while (slash > path && *slash == '/')
114			slash--;
115		*++slash = '\0';
116
117		if (rmdir (path) < 0) {
118			warn ("%s", path);
119			return -1;
120		}
121	}
122
123	/* NOTREACHED */
124}
125
126static void
127usage()
128{
129	fprintf(stderr, "usage: rmdir [-p] directory ...\n");
130	exit(1);
131}
132