1 /* vi: set sw=4 ts=4: */
3 * Mini find implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * Reworked by David Douthitt <n9ubh@callsign.net> and
8 * Matt Kraai <kraai@alumni.carnegiemellon.edu>.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
36 //XXX just found out about libbb/messages.c . maybe move stuff there ? - ghoz
37 const char msg_req_arg[] = "option `%s' requires an argument";
38 const char msg_invalid_arg[] = "invalid argument `%s' to `%s'";
42 #ifdef CONFIG_FEATURE_FIND_TYPE
43 static int type_mask = 0;
46 #ifdef CONFIG_FEATURE_FIND_PERM
47 static char perm_char = 0;
48 static int perm_mask = 0;
51 #ifdef CONFIG_FEATURE_FIND_MTIME
52 static char mtime_char;
53 static int mtime_days;
56 #ifdef CONFIG_FEATURE_FIND_XDEV
57 static dev_t *xdev_dev;
58 static int xdev_count = 0;
61 #ifdef CONFIG_FEATURE_FIND_NEWER
65 #ifdef CONFIG_FEATURE_FIND_INUM
66 static ino_t inode_num;
69 static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
71 if (pattern != NULL) {
72 const char *tmp = strrchr(fileName, '/');
78 if (!(fnmatch(pattern, tmp, FNM_PERIOD) == 0))
81 #ifdef CONFIG_FEATURE_FIND_TYPE
83 if (!((statbuf->st_mode & S_IFMT) == type_mask))
87 #ifdef CONFIG_FEATURE_FIND_PERM
89 if (!((isdigit(perm_char) && (statbuf->st_mode & 07777) == perm_mask) ||
90 (perm_char == '-' && (statbuf->st_mode & perm_mask) == perm_mask) ||
91 (perm_char == '+' && (statbuf->st_mode & perm_mask) != 0)))
95 #ifdef CONFIG_FEATURE_FIND_MTIME
96 if (mtime_char != 0) {
97 time_t file_age = time(NULL) - statbuf->st_mtime;
98 time_t mtime_secs = mtime_days * 24 * 60 * 60;
99 if (!((isdigit(mtime_char) && file_age >= mtime_secs &&
100 file_age < mtime_secs + 24 * 60 * 60) ||
101 (mtime_char == '+' && file_age >= mtime_secs + 24 * 60 * 60) ||
102 (mtime_char == '-' && file_age < mtime_secs)))
106 #ifdef CONFIG_FEATURE_FIND_XDEV
109 for (i=0; i<xdev_count; i++) {
110 if (xdev_dev[i] == statbuf-> st_dev)
113 if (i == xdev_count) {
114 if(S_ISDIR(statbuf->st_mode))
121 #ifdef CONFIG_FEATURE_FIND_NEWER
122 if (newer_mtime != 0) {
123 time_t file_age = newer_mtime - statbuf->st_mtime;
128 #ifdef CONFIG_FEATURE_FIND_INUM
129 if (inode_num != 0) {
130 if (!(statbuf->st_ino == inode_num))
139 #ifdef CONFIG_FEATURE_FIND_TYPE
140 static int find_type(char *type)
168 if (mask == 0 || type[1] != '\0')
169 bb_error_msg_and_die(msg_invalid_arg, type, "-type");
175 int find_main(int argc, char **argv)
177 int dereference = FALSE;
178 int i, firstopt, status = EXIT_SUCCESS;
180 for (firstopt = 1; firstopt < argc; firstopt++) {
181 if (argv[firstopt][0] == '-')
185 /* Parse any options */
186 for (i = firstopt; i < argc; i++) {
187 if (strcmp(argv[i], "-follow") == 0)
189 else if (strcmp(argv[i], "-print") == 0) {
192 else if (strcmp(argv[i], "-name") == 0) {
194 bb_error_msg_and_die(msg_req_arg, "-name");
196 #ifdef CONFIG_FEATURE_FIND_TYPE
197 } else if (strcmp(argv[i], "-type") == 0) {
199 bb_error_msg_and_die(msg_req_arg, "-type");
200 type_mask = find_type(argv[i]);
202 #ifdef CONFIG_FEATURE_FIND_PERM
203 } else if (strcmp(argv[i], "-perm") == 0) {
206 bb_error_msg_and_die(msg_req_arg, "-perm");
207 perm_mask = strtol(argv[i], &end, 8);
208 if ((end[0] != '\0') || (perm_mask > 07777))
209 bb_error_msg_and_die(msg_invalid_arg, argv[i], "-perm");
210 if ((perm_char = argv[i][0]) == '-')
211 perm_mask = -perm_mask;
213 #ifdef CONFIG_FEATURE_FIND_MTIME
214 } else if (strcmp(argv[i], "-mtime") == 0) {
217 bb_error_msg_and_die(msg_req_arg, "-mtime");
218 mtime_days = strtol(argv[i], &end, 10);
220 bb_error_msg_and_die(msg_invalid_arg, argv[i], "-mtime");
221 if ((mtime_char = argv[i][0]) == '-')
222 mtime_days = -mtime_days;
224 #ifdef CONFIG_FEATURE_FIND_XDEV
225 } else if (strcmp(argv[i], "-xdev") == 0) {
228 xdev_count = ( firstopt - 1 ) ? ( firstopt - 1 ) : 1;
229 xdev_dev = xmalloc ( xdev_count * sizeof( dev_t ));
231 if ( firstopt == 1 ) {
232 if ( stat ( ".", &stbuf ) < 0 )
233 bb_error_msg_and_die("could not stat '.'" );
234 xdev_dev [0] = stbuf. st_dev;
238 for (i = 1; i < firstopt; i++) {
239 if ( stat ( argv [i], &stbuf ) < 0 )
240 bb_error_msg_and_die("could not stat '%s'", argv [i] );
241 xdev_dev [i-1] = stbuf. st_dev;
245 #ifdef CONFIG_FEATURE_FIND_NEWER
246 } else if (strcmp(argv[i], "-newer") == 0) {
247 struct stat stat_newer;
249 bb_error_msg_and_die(msg_req_arg, "-newer");
250 if (stat (argv[i], &stat_newer) != 0)
251 bb_error_msg_and_die("file %s not found", argv[i]);
252 newer_mtime = stat_newer.st_mtime;
254 #ifdef CONFIG_FEATURE_FIND_INUM
255 } else if (strcmp(argv[i], "-inum") == 0) {
258 bb_error_msg_and_die(msg_req_arg, "-inum");
259 inode_num = strtol(argv[i], &end, 10);
261 bb_error_msg_and_die(msg_invalid_arg, argv[i], "-inum");
268 if (! recursive_action(".", TRUE, dereference, FALSE, fileAction,
270 status = EXIT_FAILURE;
272 for (i = 1; i < firstopt; i++) {
273 if (! recursive_action(argv[i], TRUE, dereference, FALSE, fileAction,
275 status = EXIT_FAILURE;