1 /* vi: set sw=4 ts=4: */
3 * Mini touch implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 /* BB_AUDIT SUSv3 _NOT_ compliant -- options -a, -m, -r, -t not supported. */
24 /* http://www.opengroup.org/onlinepubs/007904975/utilities/touch.html */
26 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
28 * Previous version called open() and then utime(). While this will be
29 * be necessary to implement -r and -t, it currently only makes things bigger.
30 * Also, exiting on a failure was a bug. All args should be processed.
34 #include <sys/types.h>
42 int touch_main(int argc, char **argv)
46 int status = EXIT_SUCCESS;
48 flags = bb_getopt_ulflags(argc, argv, "c");
57 if (utime(*argv, NULL)) {
58 if (errno == ENOENT) { /* no such file*/
59 if (flags & 1) { /* Creation is disabled, so ignore. */
62 /* Try to create the file. */
63 fd = open(*argv, O_RDWR | O_CREAT,
64 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
66 if ((fd >= 0) && !close(fd)) {
70 status = EXIT_FAILURE;
71 bb_perror_msg("%s", *argv);