69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/* 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 <stdlib.h>
|
|
#include <limits.h>
|
|
#include <unistd.h>
|
|
#include "busybox.h"
|
|
|
|
#ifdef CONFIG_FEATURE_FANCY_SLEEP
|
|
static const struct suffix_mult sfx[] = {
|
|
{ "s", 1 },
|
|
{ "m", 60 },
|
|
{ "h", 60*60 },
|
|
{ "d", 24*60*60 },
|
|
{ NULL, 0 }
|
|
};
|
|
#endif
|
|
|
|
int sleep_main(int argc, char **argv);
|
|
int sleep_main(int argc, char **argv)
|
|
{
|
|
unsigned int duration;
|
|
|
|
#ifdef CONFIG_FEATURE_FANCY_SLEEP
|
|
|
|
if (argc < 2) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
++argv;
|
|
duration = 0;
|
|
do {
|
|
duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx);
|
|
} while (*++argv);
|
|
|
|
#else /* CONFIG_FEATURE_FANCY_SLEEP */
|
|
|
|
if (argc != 2) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
duration = xatou(argv[1]);
|
|
|
|
#endif /* CONFIG_FEATURE_FANCY_SLEEP */
|
|
|
|
if (sleep(duration)) {
|
|
bb_perror_nomsg_and_die();
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|