rmdir.c revision 1.10 
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 1.10 1993/12/31 19:29:02 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 <locale.h>
52#include <errno.h>
53#include <unistd.h>
54#include <err.h>
55
56static int rmdirp __P((char *));
57static void usage __P((void));
58
59int
60main(argc, argv)
61	int argc;
62	char **argv;
63{
64	int errors;
65	int ch;
66	int delete_parent_directories = 0;
67
68	setlocale(LC_ALL, "");
69
70	while ((ch = getopt (argc, argv, "p")) != -1) {
71		switch (ch) {
72		case 'p':
73			delete_parent_directories = 1;
74			break;
75		case '?':
76		default:
77			usage();
78			/* NOTREACHED */
79		}
80	}
81
82	if (!*(argv += optind)) {
83		usage ();
84		/* NOTREACHED */
85	}
86
87	for (errors = 0; *argv; argv++) {
88		if (!delete_parent_directories) {
89			if (rmdir(*argv)) {
90				warn ("%s", *argv);
91				errors = 1;
92			}
93		} else {
94			if (rmdirp(*argv)) {
95				errors = 1;
96			}
97		}
98	}
99
100	exit(errors);
101}
102
103static int
104rmdirp (path)
105	char *path;
106{
107	char *slash;
108
109	if (rmdir (path)) {
110		warn ("%s", path);
111		return -1;
112	}
113
114	for (;;) {
115		slash = strrchr (path, '/');
116		if (slash == NULL) {
117			return 0;
118		}
119
120		/* skip trailing slash characters */
121		while (slash > path && *slash == '/')
122			slash--;
123		*++slash = '\0';
124
125		if (rmdir (path)) {
126			warn ("%s", path);
127			return -1;
128		}
129	}
130
131	/* NOTREACHED */
132}
133
134static void
135usage()
136{
137	fprintf(stderr, "usage: rmdir [-p] directory ...\n");
138	exit(1);
139}
140