xref: /freebsd/bin/rmdir/rmdir.c (revision d2387d42b8da231a5b95cbc313825fb2aadf26f6)
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 #if 0
35 #ifndef lint
36 static char const copyright[] =
37 "@(#) Copyright (c) 1992, 1993, 1994\n\
38 	The Regents of the University of California.  All rights reserved.\n";
39 #endif /* not lint */
40 
41 #ifndef lint
42 static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
43 #endif /* not lint */
44 #endif
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
47 
48 #include <err.h>
49 #include <errno.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <unistd.h>
54 
55 static int rm_path(char *);
56 static void usage(void);
57 
58 static int pflag;
59 static int vflag;
60 
61 int
62 main(int argc, char *argv[])
63 {
64 	int ch, errors;
65 
66 	while ((ch = getopt(argc, argv, "pv")) != -1)
67 		switch(ch) {
68 		case 'p':
69 			pflag = 1;
70 			break;
71 		case 'v':
72 			vflag = 1;
73 			break;
74 		case '?':
75 		default:
76 			usage();
77 		}
78 	argc -= optind;
79 	argv += optind;
80 
81 	if (argc == 0)
82 		usage();
83 
84 	for (errors = 0; *argv; argv++) {
85 		if (pflag) {
86 			errors |= rm_path(*argv);
87 		} else {
88 			if (rmdir(*argv) < 0) {
89 				warn("%s", *argv);
90 				errors = 1;
91 			}
92 			if (vflag)
93 				printf("%s\n", *argv);
94 		}
95 	}
96 
97 	exit(errors);
98 }
99 
100 static int
101 rm_path(char *path)
102 {
103 	char *p;
104 
105 	p = path + strlen(path);
106 	while (--p > path && *p == '/')
107 		;
108 	*++p = '\0';
109 	while ((p = strrchr(path, '/')) != NULL) {
110 		/* Delete trailing slashes. */
111 		while (--p > path && *p == '/')
112 			;
113 		*++p = '\0';
114 
115 		if (rmdir(path) < 0) {
116 			warn("%s", path);
117 			return (1);
118 		}
119 		if (vflag)
120 			printf("%s\n", path);
121 	}
122 
123 	return (0);
124 }
125 
126 static void
127 usage(void)
128 {
129 
130 	(void)fprintf(stderr, "usage: rmdir [-p] directory ...\n");
131 	exit(1);
132 }
133