rmdir.c revision 1.28 
1/* $NetBSD: rmdir.c,v 1.28 2025/05/12 06:21:56 kim Exp $ */
2
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 <sys/cdefs.h>
33#ifndef lint
34__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\
35 The Regents of the University of California.  All rights reserved.");
36#endif /* not lint */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)rmdir.c	8.3 (Berkeley) 4/2/94";
41#else
42__RCSID("$NetBSD: rmdir.c,v 1.28 2025/05/12 06:21:56 kim Exp $");
43#endif
44#endif /* not lint */
45
46#include <sys/param.h>
47
48#include <err.h>
49#include <locale.h>
50#include <stdio.h>
51#include <stdlib.h>
52#include <string.h>
53#include <unistd.h>
54
55static int vflag;
56
57static int	rm_path(char *);
58__dead static void	usage(void);
59
60int
61main(int argc, char *argv[])
62{
63	int ch, errors, pflag;
64
65	setprogname(argv[0]);
66	(void)setlocale(LC_ALL, "");
67
68	pflag = 0;
69	while ((ch = getopt(argc, argv, "pv")) != -1)
70		switch(ch) {
71		case 'p':
72			pflag = 1;
73			break;
74		case 'v':
75			vflag = 1;
76			break;
77		case '?':
78		default:
79			usage();
80		}
81	argc -= optind;
82	argv += optind;
83
84	if (argc == 0)
85		usage();
86
87	for (errors = 0; *argv; argv++) {
88		/* We rely on the kernel to ignore trailing '/' characters. */
89		if (rmdir(*argv) < 0) {
90			warn("%s", *argv);
91			errors = 1;
92		} else {
93			if (vflag)
94				(void)printf("%s\n", *argv);
95			if (pflag)
96				errors |= rm_path(*argv);
97		}
98	}
99
100	exit(errors);
101	/* NOTREACHED */
102}
103
104static int
105rm_path(char *path)
106{
107	char *p;
108
109	while ((p = strrchr(path, '/')) != NULL) {
110		*p = 0;
111		if (p[1] == 0)
112			/* Ignore trailing '/' on deleted name */
113			continue;
114
115		if (*path == 0)
116			/* At top level (root) directory */
117			break;
118
119		if (rmdir(path) < 0) {
120			warn("%s", path);
121			return (1);
122		} else if (vflag)
123			(void)printf("%s\n", path);
124	}
125
126	return (0);
127}
128
129static void
130usage(void)
131{
132	(void)fprintf(stderr, "usage: %s [-pv] directory ...\n", getprogname());
133	exit(1);
134	/* NOTREACHED */
135}
136