ndk-busybox/coreutils/sleep.c
Denis Vlasenko 1d42665b6b *: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param)
function                                             old     new   delta
getopt32                                            1370    1385     +15
sulogin_main                                         490     494      +4
realpath_main                                         84      86      +2
sleep_main                                            76      77      +1
mt_main                                              256     257      +1
printenv_main                                         75      74      -1
fdformat_main                                        546     545      -1
usleep_main                                           44      42      -2
setlogcons_main                                       77      75      -2
ed_main                                             2654    2649      -5
deallocvt_main                                        69      64      -5
addgroup_main                                        373     368      -5
mkfs_minix_main                                     2989    2982      -7
tail_main                                           1221    1213      -8
sv_main                                             1254    1241     -13
du_main                                              348     328     -20
tftp_main                                            325     302     -23
split_main                                           581     558     -23
nc_main                                             1000     977     -23
diff_main                                            891     868     -23
arping_main                                         1797    1770     -27
ls_main                                              893     847     -46
od_main                                             2797    2750     -47
readprofile_main                                    1944    1895     -49
tcpudpsvd_main                                      1973    1922     -51
udhcpc_main                                         2590    2513     -77
grep_main                                            824     722    -102
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560)         Total: -537 bytes
   text    data     bss     dec     hex filename
 796973     658    7428  805059   c48c3 busybox_old
 796479     662    7420  804561   c46d1 busybox_unstripped
2008-03-17 09:09:09 +00:00

64 lines
1.3 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 "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 ATTRIBUTE_UNUSED, 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;
}