xref: /freebsd/bin/rmdir/rmdir.c (revision 5b31cc94b10d4bb7109c6b27940a0fc76a44a331)
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 #if 0
33 #ifndef lint
34 static char const copyright[] =
35 "@(#) Copyright (c) 1992, 1993, 1994\n\
36 	The Regents of the University of California.  All rights reserved.\n";
37 #endif /* not lint */
38 
39 #endif
40 #include <sys/cdefs.h>
41 #include <err.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <unistd.h>
46 
47 static int rm_path(char *);
48 static void usage(void) __dead2;
49 
50 static int pflag;
51 static int vflag;
52 
53 int
54 main(int argc, char *argv[])
55 {
56 	int ch, errors;
57 
58 	while ((ch = getopt(argc, argv, "pv")) != -1)
59 		switch(ch) {
60 		case 'p':
61 			pflag = 1;
62 			break;
63 		case 'v':
64 			vflag = 1;
65 			break;
66 		case '?':
67 		default:
68 			usage();
69 		}
70 	argc -= optind;
71 	argv += optind;
72 
73 	if (argc == 0)
74 		usage();
75 
76 	for (errors = 0; *argv; argv++) {
77 		if (rmdir(*argv) < 0) {
78 			warn("%s", *argv);
79 			errors = 1;
80 		} else {
81 			if (vflag)
82 				printf("%s\n", *argv);
83 			if (pflag)
84 				errors |= rm_path(*argv);
85 		}
86 	}
87 
88 	exit(errors);
89 }
90 
91 static int
92 rm_path(char *path)
93 {
94 	char *p;
95 
96 	p = path + strlen(path);
97 	while (--p > path && *p == '/')
98 		;
99 	*++p = '\0';
100 	while ((p = strrchr(path, '/')) != NULL) {
101 		/* Delete trailing slashes. */
102 		while (--p >= path && *p == '/')
103 			;
104 		*++p = '\0';
105 		if (p == path)
106 			break;
107 
108 		if (rmdir(path) < 0) {
109 			warn("%s", path);
110 			return (1);
111 		}
112 		if (vflag)
113 			printf("%s\n", path);
114 	}
115 
116 	return (0);
117 }
118 
119 static void
120 usage(void)
121 {
122 
123 	(void)fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
124 	exit(1);
125 }
126