xref: /netbsd-src/bin/rmdir/rmdir.c (revision b78992537496bc71ee3d761f9fe0be0fc0a9a001)
1 /* $NetBSD: rmdir.c,v 1.25 2008/07/20 00:52:40 lukem Exp $ */
2 
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 <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\
35  The Regents of the University of California.  All rights reserved.");
36 #endif /* not lint */
37 
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
41 #else
42 __RCSID("$NetBSD: rmdir.c,v 1.25 2008/07/20 00:52:40 lukem Exp $");
43 #endif
44 #endif /* not lint */
45 
46 #include <sys/param.h>
47 
48 #include <err.h>
49 #include <locale.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <unistd.h>
54 
55 int	rm_path(char *);
56 void	usage(void);
57 int	main(int, char *[]);
58 
59 int
60 main(int argc, char *argv[])
61 {
62 	int ch, errors, pflag;
63 
64 	setprogname(argv[0]);
65 	(void)setlocale(LC_ALL, "");
66 
67 	pflag = 0;
68 	while ((ch = getopt(argc, argv, "p")) != -1)
69 		switch(ch) {
70 		case 'p':
71 			pflag = 1;
72 			break;
73 		case '?':
74 		default:
75 			usage();
76 		}
77 	argc -= optind;
78 	argv += optind;
79 
80 	if (argc == 0)
81 		usage();
82 
83 	for (errors = 0; *argv; argv++) {
84 		/* We rely on the kernel to ignore trailing '/' characters. */
85 		if (rmdir(*argv) < 0) {
86 			warn("%s", *argv);
87 			errors = 1;
88 		} else if (pflag)
89 			errors |= rm_path(*argv);
90 	}
91 
92 	exit(errors);
93 	/* NOTREACHED */
94 }
95 
96 int
97 rm_path(char *path)
98 {
99 	char *p;
100 
101 	while ((p = strrchr(path, '/')) != NULL) {
102 		*p = 0;
103 		if (p[1] == 0)
104 			/* Ignore trailing '/' on deleted name */
105 			continue;
106 
107 		if (rmdir(path) < 0) {
108 			warn("%s", path);
109 			return (1);
110 		}
111 	}
112 
113 	return (0);
114 }
115 
116 void
117 usage(void)
118 {
119 	(void)fprintf(stderr, "usage: %s [-p] directory ...\n", getprogname());
120 	exit(1);
121 	/* NOTREACHED */
122 }
123