1 /* vi: set sw=4 ts=4: */
3 * sleep implementation for busybox
5 * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
10 /* BB_AUDIT SUSv3 compliant */
11 /* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
12 /* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
14 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
16 * Rewritten to do proper arg and error checking.
17 * Also, added a 'fancy' configuration to accept multiple args with
18 * time suffixes for seconds, minutes, hours, and days.
23 /* This is a NOFORK applet. Be very careful! */
26 #if ENABLE_FEATURE_FANCY_SLEEP
27 static const struct suffix_mult sfx[] = {
36 int sleep_main(int argc, char **argv);
37 int sleep_main(int argc, char **argv)
41 #if ENABLE_FEATURE_FANCY_SLEEP
50 duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx);
53 #else /* FEATURE_FANCY_SLEEP */
59 duration = xatou(argv[1]);
61 #endif /* FEATURE_FANCY_SLEEP */
63 if (sleep(duration)) {
64 bb_perror_nomsg_and_die();