1 /* vi: set sw=4 ts=4: */
3 * sleep implementation for busybox
5 * Copyright (C) 2003 Manuel Novoa III <mjn3@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 compliant */
24 /* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
25 /* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
27 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
29 * Rewritten to do proper arg and error checking.
30 * Also, added a 'fancy' configuration to accept multiple args with
31 * time suffixes for seconds, minutes, hours, and days.
39 #ifdef CONFIG_FEATURE_FANCY_SLEEP
40 static const struct suffix_mult sleep_suffixes[] = {
49 extern int sleep_main(int argc, char **argv)
51 unsigned int duration;
53 #ifdef CONFIG_FEATURE_FANCY_SLEEP
62 duration += bb_xgetularg_bnd_sfx(*argv, 10,
67 #else /* CONFIG_FEATURE_FANCY_SLEEP */
73 #if UINT_MAX == ULONG_MAX
74 duration = bb_xgetularg10(argv[1]);
76 duration = bb_xgetularg10_bnd(argv[1], 0, UINT_MAX);
79 #endif /* CONFIG_FEATURE_FANCY_SLEEP */
81 if (sleep(duration)) {
82 bb_perror_nomsg_and_die();