xref: /netbsd-src/bin/rmdir/rmdir.c (revision cda4f8f6ee55684e8d311b86c99ea59191e6b74f)
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
35 char 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[] = "@(#)rmdir.c	5.3 (Berkeley) 5/31/90";
42 static char rcsid[] = "$Header: /cvsroot/src/bin/rmdir/rmdir.c,v 1.5 1993/07/22 16:24:13 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 <errno.h>
52 
53 main(argc, argv)
54 	int argc;
55 	char **argv;
56 {
57 	int errors;
58 	int ch;
59 	int delete_parent_directories = 0;
60 
61 	while ((ch = getopt (argc, argv, "p")) != EOF) {
62 		switch (ch) {
63 		case 'p':
64 			delete_parent_directories = 1;
65 			break;
66 		case '?':
67 		default:
68 			usage();
69 			/* NOTREACHED */
70 		}
71 	}
72 
73 	if (!*(argv += optind)) {
74 		usage ();
75 		/* NOTREACHED */
76 	}
77 
78 	for (errors = 0; *argv; argv++) {
79 		if (!delete_parent_directories) {
80 			if (rmdir(*argv) < 0) {
81 				fprintf(stderr, "rmdir: %s: %s\n",
82 					*argv, strerror(errno));
83 				errors = 1;
84 			}
85 		} else {
86 			if (rmdirp(*argv) < 0) {
87 				errors = 1;
88 			}
89 		}
90 	}
91 
92 	exit(errors);
93 }
94 
95 int
96 rmdirp (char *path)
97 {
98 	char *slash;
99 
100 	/* point slash at last slash */
101 	slash = strrchr (path, '/');
102 
103 	while (slash != NULL) {
104 		if (rmdir (path) < 0) {
105 			fprintf(stderr, "rmdir: %s: %s\n",
106 				path, strerror(errno));
107 			return -1;
108 		}
109 
110 		/* skip trailing slash characters */
111 		while (slash > path && *slash == '/')
112 			slash--;
113 
114 		*++slash = '\0';
115 		slash = strrchr (path, '/');
116 	}
117 
118 	if (rmdir (path) < 0) {
119 		fprintf(stderr, "rmdir: %s: %s\n", path, strerror(errno));
120 		return -1;
121 	}
122 
123 	return 0;
124 }
125 
126 usage()
127 {
128 	fprintf(stderr, "usage: rmdir [-p] directory ...\n");
129 	exit(1);
130 }
131