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 #if 0
42 #include <sys/cdefs.h>
43 __FBSDID("$FreeBSD: src/bin/rmdir/rmdir.c,v 1.20 2005/01/26 06:51:28 ssouhlal Exp $");
44 #endif
45 
46 #include "config.h"
47 #include "err.h"
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <errno.h>
52 #include <unistd.h>
53 #ifdef HAVE_ALLOCA_H
54 # include <alloca.h>
55 #endif
56 #include "getopt.h"
57 #include "kmkbuiltin.h"
58 
59 #ifdef _MSC_VER
60 # include "mscfakes.h"
61 #endif
62 #if defined(KMK) && defined(KBUILD_OS_WINDOWS)
63 extern int dir_cache_deleted_directory(const char *pszDir);
64 #endif
65 
66 static int rm_path(char *);
67 static int usage(FILE *);
68 
69 static int pflag;
70 static int vflag;
71 static int ignore_fail_on_non_empty;
72 static int ignore_fail_on_not_exist;
73 
74 static struct option long_options[] =
75 {
76     { "help",                       no_argument, 0, 262 },
77     { "ignore-fail-on-non-empty",   no_argument, 0, 260 },
78     { "ignore-fail-on-not-exist",   no_argument, 0, 261 },
79     { "parents",                    no_argument, 0, 'p' },
80     { "verbose",                    no_argument, 0, 'v' },
81     { "version",                    no_argument, 0, 263 },
82     { 0, 0,	0, 0 },
83 };
84 
85 
86 int
kmk_builtin_rmdir(int argc,char * argv[],char ** envp)87 kmk_builtin_rmdir(int argc, char *argv[], char **envp)
88 {
89 	int ch, errors;
90 
91 	/* reinitialize globals */
92 	ignore_fail_on_not_exist = ignore_fail_on_non_empty = vflag = pflag = 0;
93 
94 	/* kmk: reset getopt and set progname */
95 	g_progname = argv[0];
96 	opterr = 1;
97 	optarg = NULL;
98 	optopt = 0;
99 	optind = 0; /* init */
100 	while ((ch = getopt_long(argc, argv, "pv", long_options, NULL)) != -1)
101 		switch(ch) {
102 		case 'p':
103 			pflag = 1;
104 			break;
105 		case 'v':
106 			vflag = 1;
107 			break;
108 		case 260:
109 			ignore_fail_on_non_empty = 1;
110 			break;
111 		case 261:
112 			ignore_fail_on_not_exist = 1;
113 			break;
114 		case 262:
115 			usage(stdout);
116 			return 0;
117 		case 263:
118 			return kbuild_version(argv[0]);
119 		case '?':
120 		default:
121 			return usage(stderr);
122 		}
123 	argc -= optind;
124 	argv += optind;
125 
126 	if (argc == 0)
127 		return /*usage(stderr)*/0;
128 
129 	for (errors = 0; *argv; argv++) {
130 		if (rmdir(*argv) < 0) {
131 			if (	(!ignore_fail_on_non_empty || (errno != ENOTEMPTY && errno != EPERM && errno != EACCES && errno != EINVAL && errno != EEXIST))
132 			    &&	(!ignore_fail_on_not_exist || errno != ENOENT)) {
133 				warn("rmdir: %s", *argv);
134 				errors = 1;
135 				continue;
136 			}
137 			if (!ignore_fail_on_not_exist || errno != ENOENT)
138 				continue;
139 			/* (only ignored doesn't exist errors fall thru) */
140 		} else {
141 #if defined(KMK) && defined(KBUILD_OS_WINDOWS)
142 			dir_cache_deleted_directory(*argv);
143 #endif
144 			if (vflag) {
145 				printf("%s\n", *argv);
146 			}
147 		}
148 		if (pflag)
149 			errors |= rm_path(*argv);
150 	}
151 
152 	return errors;
153 }
154 
155 static int
rm_path(char * path)156 rm_path(char *path)
157 {
158 	char *p;
159 	const size_t len = strlen(path);
160 	p = alloca(len + 1);
161 	path = memcpy(p, path, len + 1);
162 
163 #if defined(_MSC_VER) || defined(__EMX__)
164 	p = strchr(path, '\\');
165 	while (p) {
166 		*p++ = '/';
167 		p = strchr(p, '\\');
168 	}
169 #endif
170 
171 	p = path + len;
172 	while (--p > path && *p == '/')
173 		;
174 	*++p = '\0';
175 	while ((p = strrchr(path, '/')) != NULL) {
176 		/* Delete trailing slashes. */
177 		while (--p >= path && *p == '/')
178 			;
179 		*++p = '\0';
180 		if (p == path)
181 			break;
182 #if defined(_MSC_VER) || defined(__EMX__)
183 		if (p[-1] == ':' && p - 2 == path)
184 			break;
185 #endif
186 
187 		if (rmdir(path) < 0) {
188 			if (   ignore_fail_on_non_empty
189 			    && (   errno == ENOTEMPTY || errno == EPERM || errno == EACCES || errno == EINVAL || errno == EEXIST))
190 				break;
191 			if (!ignore_fail_on_not_exist || errno != ENOENT) {
192 				warn("rmdir: %s", path);
193 				return (1);
194 			}
195 		}
196 #if defined(KMK) && defined(KBUILD_OS_WINDOWS)
197 		else {
198 			dir_cache_deleted_directory(path);
199 		}
200 #endif
201 		if (vflag)
202 			printf("%s\n", path);
203 	}
204 
205 	return (0);
206 }
207 
208 static int
usage(FILE * pf)209 usage(FILE *pf)
210 {
211 	(void)fprintf(pf, "usage: %s [-pv --ignore-fail-on-non-empty --ignore-fail-on-not-exist] directory ...\n"
212 	                  "   or: %s --help\n"
213 	                  "   or: %s --version\n",
214 	              g_progname, g_progname, g_progname);
215 	return 1;
216 }
217