1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* 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 sleep_suffixes[] = {
{ "s", 1 },
{ "m", 60 },
{ "h", 60*60 },
{ "d", 24*60*60 },
{ NULL, 0 }
};
#endif
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 += bb_xgetularg_bnd_sfx(*argv, 10,
0, UINT_MAX-duration,
sleep_suffixes);
} while (*++argv);
#else /* CONFIG_FEATURE_FANCY_SLEEP */
if (argc != 2) {
bb_show_usage();
}
#if UINT_MAX == ULONG_MAX
duration = bb_xgetularg10(argv[1]);
#else
duration = bb_xgetularg10_bnd(argv[1], 0, UINT_MAX);
#endif
#endif /* CONFIG_FEATURE_FANCY_SLEEP */
if (sleep(duration)) {
bb_perror_nomsg_and_die();
}
return EXIT_SUCCESS;
}
|
