xref: /freebsd/bin/rmdir/rmdir.c (revision 4f29da19bd44f0e99f021510460a81bf754c21d2)
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  * 4. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #if 0
31 #ifndef lint
32 static char const copyright[] =
33 "@(#) Copyright (c) 1992, 1993, 1994\n\
34 	The Regents of the University of California.  All rights reserved.\n";
35 #endif /* not lint */
36 
37 #ifndef lint
38 static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
39 #endif /* not lint */
40 #endif
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
43 
44 #include <err.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <unistd.h>
49 
50 static int rm_path(char *);
51 static void usage(void);
52 
53 static int pflag;
54 static int vflag;
55 
56 int
57 main(int argc, char *argv[])
58 {
59 	int ch, errors;
60 
61 	while ((ch = getopt(argc, argv, "pv")) != -1)
62 		switch(ch) {
63 		case 'p':
64 			pflag = 1;
65 			break;
66 		case 'v':
67 			vflag = 1;
68 			break;
69 		case '?':
70 		default:
71 			usage();
72 		}
73 	argc -= optind;
74 	argv += optind;
75 
76 	if (argc == 0)
77 		usage();
78 
79 	for (errors = 0; *argv; argv++) {
80 		if (rmdir(*argv) < 0) {
81 			warn("%s", *argv);
82 			errors = 1;
83 		} else {
84 			if (vflag)
85 				printf("%s\n", *argv);
86 			if (pflag)
87 				errors |= rm_path(*argv);
88 		}
89 	}
90 
91 	exit(errors);
92 }
93 
94 static int
95 rm_path(char *path)
96 {
97 	char *p;
98 
99 	p = path + strlen(path);
100 	while (--p > path && *p == '/')
101 		;
102 	*++p = '\0';
103 	while ((p = strrchr(path, '/')) != NULL) {
104 		/* Delete trailing slashes. */
105 		while (--p >= path && *p == '/')
106 			;
107 		*++p = '\0';
108 		if (p == path)
109 			break;
110 
111 		if (rmdir(path) < 0) {
112 			warn("%s", path);
113 			return (1);
114 		}
115 		if (vflag)
116 			printf("%s\n", path);
117 	}
118 
119 	return (0);
120 }
121 
122 static void
123 usage(void)
124 {
125 
126 	(void)fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
127 	exit(1);
128 }
129