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/* vi: set sw=4 ts=4: */
/*
* sleep implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* BB_AUDIT SUSv3 compliant */
/* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* Rewritten to do proper arg and error checking.
* Also, added a 'fancy' configuration to accept multiple args with
* time suffixes for seconds, minutes, hours, and days.
*/
#include "libbb.h"
/* This is a NOFORK applet. Be very careful! */
#if ENABLE_FEATURE_FANCY_SLEEP
static const struct suffix_mult sfx[] = {
{ "s", 1 },
{ "m", 60 },
{ "h", 60*60 },
{ "d", 24*60*60 },
{ }
};
#endif
int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int sleep_main(int argc UNUSED_PARAM, char **argv)
{
unsigned duration;
++argv;
if (!*argv)
bb_show_usage();
#if ENABLE_FEATURE_FANCY_SLEEP
duration = 0;
do {
duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx);
} while (*++argv);
#else /* FEATURE_FANCY_SLEEP */
duration = xatou(*argv);
#endif /* FEATURE_FANCY_SLEEP */
if (sleep(duration)) {
bb_perror_nomsg_and_die();
}
return EXIT_SUCCESS;
}
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