source: branches/2.2.2/mindi-busybox/coreutils/sleep.c @ 1247

Last change on this file since 1247 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 2.1 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * sleep implementation for busybox
4 *
5 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23/* BB_AUDIT SUSv3 compliant */
24/* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
25/* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
26
27/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
28 *
29 * Rewritten to do proper arg and error checking.
30 * Also, added a 'fancy' configuration to accept multiple args with
31 * time suffixes for seconds, minutes, hours, and days.
32 */
33
34#include <stdlib.h>
35#include <limits.h>
36#include <unistd.h>
37#include "busybox.h"
38
39#ifdef CONFIG_FEATURE_FANCY_SLEEP
40static const struct suffix_mult sleep_suffixes[] = {
41    { "s", 1 },
42    { "m", 60 },
43    { "h", 60*60 },
44    { "d", 24*60*60 },
45    { NULL, 0 }
46};
47#endif
48
49int sleep_main(int argc, char **argv)
50{
51    unsigned int duration;
52
53#ifdef CONFIG_FEATURE_FANCY_SLEEP
54
55    if (argc < 2) {
56        bb_show_usage();
57    }
58
59    ++argv;
60    duration = 0;
61    do {
62        duration += bb_xgetularg_bnd_sfx(*argv, 10,
63                                         0, UINT_MAX-duration,
64                                         sleep_suffixes);
65    } while (*++argv);
66
67#else  /* CONFIG_FEATURE_FANCY_SLEEP */
68
69    if (argc != 2) {
70        bb_show_usage();
71    }
72
73#if UINT_MAX == ULONG_MAX
74    duration = bb_xgetularg10(argv[1]);
75#else
76    duration = bb_xgetularg10_bnd(argv[1], 0, UINT_MAX);
77#endif
78
79#endif /* CONFIG_FEATURE_FANCY_SLEEP */
80
81    if (sleep(duration)) {
82        bb_perror_nomsg_and_die();
83    }
84
85    return EXIT_SUCCESS;
86}
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