xref: /netbsd-src/bin/rmdir/rmdir.c (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*-
2  * Copyright (c) 1992, 1993, 1994
3  *	The Regents of the University of California.  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
35 static char copyright[] =
36 "@(#) Copyright (c) 1992, 1993, 1994\n\
37 	The Regents of the University of California.  All rights reserved.\n";
38 #endif /* not lint */
39 
40 #ifndef lint
41 /*static char sccsid[] = "from: @(#)rmdir.c	8.3 (Berkeley) 4/2/94";*/
42 static char *rcsid = "$Id: rmdir.c,v 1.12 1994/09/22 09:25:59 mycroft Exp $";
43 #endif /* not lint */
44 
45 #include <err.h>
46 #include <errno.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50 #include <locale.h>
51 #include <unistd.h>
52 
53 int rm_path __P((char *));
54 void usage __P((void));
55 
56 int
57 main(argc, argv)
58 	int argc;
59 	char *argv[];
60 {
61 	int ch, errors;
62 	int pflag;
63 
64 	setlocale(LC_ALL, "");
65 
66 	pflag = 0;
67 	while ((ch = getopt(argc, argv, "p")) != -1)
68 		switch(ch) {
69 		case 'p':
70 			pflag = 1;
71 			break;
72 		case '?':
73 		default:
74 			usage();
75 		}
76 	argc -= optind;
77 	argv += optind;
78 
79 	if (argc == 0)
80 		usage();
81 
82 	for (errors = 0; *argv; argv++) {
83 		char *p;
84 
85 		/* Delete trailing slashes, per POSIX. */
86 		p = *argv + strlen(*argv);
87 		while (--p > *argv && *p == '/')
88 			;
89 		*++p = '\0';
90 
91 		if (rmdir(*argv) < 0) {
92 			warn("%s", *argv);
93 			errors = 1;
94 		} else if (pflag)
95 			errors |= rm_path(*argv);
96 	}
97 
98 	exit(errors);
99 }
100 
101 int
102 rm_path(path)
103 	char *path;
104 {
105 	char *p;
106 
107 	while ((p = strrchr(path, '/')) != NULL) {
108 		/* Delete trailing slashes. */
109 		while (--p > path && *p == '/')
110 			;
111 		*++p = '\0';
112 
113 		if (rmdir(path) < 0) {
114 			warn("%s", path);
115 			return (1);
116 		}
117 	}
118 
119 	return (0);
120 }
121 
122 void
123 usage()
124 {
125 
126 	(void)fprintf(stderr, "usage: rmdir [-p] directory ...\n");
127 	exit(1);
128 }
129