Contents of /trunk/mkinitrd-magellan/busybox/coreutils/sleep.c
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1376 byte(s)
Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1376 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
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 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | /* BB_AUDIT SUSv3 compliant */ |
11 | /* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */ |
12 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */ |
13 | |
14 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) |
15 | * |
16 | * Rewritten to do proper arg and error checking. |
17 | * Also, added a 'fancy' configuration to accept multiple args with |
18 | * time suffixes for seconds, minutes, hours, and days. |
19 | */ |
20 | |
21 | #include <stdlib.h> |
22 | #include <limits.h> |
23 | #include <unistd.h> |
24 | #include "busybox.h" |
25 | |
26 | #ifdef CONFIG_FEATURE_FANCY_SLEEP |
27 | static const struct suffix_mult sfx[] = { |
28 | { "s", 1 }, |
29 | { "m", 60 }, |
30 | { "h", 60*60 }, |
31 | { "d", 24*60*60 }, |
32 | { NULL, 0 } |
33 | }; |
34 | #endif |
35 | |
36 | int sleep_main(int argc, char **argv) |
37 | { |
38 | unsigned int duration; |
39 | |
40 | #ifdef CONFIG_FEATURE_FANCY_SLEEP |
41 | |
42 | if (argc < 2) { |
43 | bb_show_usage(); |
44 | } |
45 | |
46 | ++argv; |
47 | duration = 0; |
48 | do { |
49 | duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx); |
50 | } while (*++argv); |
51 | |
52 | #else /* CONFIG_FEATURE_FANCY_SLEEP */ |
53 | |
54 | if (argc != 2) { |
55 | bb_show_usage(); |
56 | } |
57 | |
58 | duration = xatou(argv[1]); |
59 | |
60 | #endif /* CONFIG_FEATURE_FANCY_SLEEP */ |
61 | |
62 | if (sleep(duration)) { |
63 | bb_perror_nomsg_and_die(); |
64 | } |
65 | |
66 | return EXIT_SUCCESS; |
67 | } |