xref: /freebsd/bin/rmdir/rmdir.c (revision 9bcc1b18c119148e4455e548c90b2bc9cef16d1b)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
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 <err.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 
38 static int rm_path(char *);
39 static void usage(void) __dead2;
40 
41 static int pflag;
42 static int vflag;
43 
44 int
main(int argc,char * argv[])45 main(int argc, char *argv[])
46 {
47 	int ch, errors;
48 
49 	while ((ch = getopt(argc, argv, "pv")) != -1)
50 		switch(ch) {
51 		case 'p':
52 			pflag = 1;
53 			break;
54 		case 'v':
55 			vflag = 1;
56 			break;
57 		case '?':
58 		default:
59 			usage();
60 		}
61 	argc -= optind;
62 	argv += optind;
63 
64 	if (argc == 0)
65 		usage();
66 
67 	for (errors = 0; *argv; argv++) {
68 		if (rmdir(*argv) < 0) {
69 			warn("%s", *argv);
70 			errors = 1;
71 		} else {
72 			if (vflag)
73 				printf("%s\n", *argv);
74 			if (pflag)
75 				errors |= rm_path(*argv);
76 		}
77 	}
78 
79 	exit(errors);
80 }
81 
82 static int
rm_path(char * path)83 rm_path(char *path)
84 {
85 	char *p;
86 
87 	p = path + strlen(path);
88 	while (--p > path && *p == '/')
89 		;
90 	*++p = '\0';
91 	while ((p = strrchr(path, '/')) != NULL) {
92 		/* Delete trailing slashes. */
93 		while (--p >= path && *p == '/')
94 			;
95 		*++p = '\0';
96 		if (p == path)
97 			break;
98 
99 		if (rmdir(path) < 0) {
100 			warn("%s", path);
101 			return (1);
102 		}
103 		if (vflag)
104 			printf("%s\n", path);
105 	}
106 
107 	return (0);
108 }
109 
110 static void
usage(void)111 usage(void)
112 {
113 
114 	(void)fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
115 	exit(2);
116 }
117