Annotation of /trunk/mkinitrd-magellan/busybox/procps/uptime.c
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Wed Sep 7 18:39:43 2011 UTC (12 years, 9 months ago) by niro
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Wed Sep 7 18:39:43 2011 UTC (12 years, 9 months ago) by niro
File MIME type: text/plain
File size: 1784 byte(s)
-fixed build against linux-3.0
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Mini uptime implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
6 | * | ||
7 | * Licensed under the GPL version 2, see the file LICENSE in this tarball. | ||
8 | */ | ||
9 | |||
10 | /* This version of uptime doesn't display the number of users on the system, | ||
11 | * since busybox init doesn't mess with utmp. For folks using utmp that are | ||
12 | * just dying to have # of users reported, feel free to write it as some type | ||
13 | * of CONFIG_FEATURE_UTMP_SUPPORT #define | ||
14 | */ | ||
15 | |||
16 | /* getopt not needed */ | ||
17 | |||
18 | niro | 816 | #include "libbb.h" |
19 | niro | 1520 | #include <sys/sysinfo.h> |
20 | niro | 532 | |
21 | #ifndef FSHIFT | ||
22 | # define FSHIFT 16 /* nr of bits of precision */ | ||
23 | #endif | ||
24 | #define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */ | ||
25 | #define LOAD_INT(x) ((x) >> FSHIFT) | ||
26 | #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100) | ||
27 | |||
28 | |||
29 | niro | 816 | int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
30 | int uptime_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) | ||
31 | niro | 532 | { |
32 | int updays, uphours, upminutes; | ||
33 | struct sysinfo info; | ||
34 | struct tm *current_time; | ||
35 | time_t current_secs; | ||
36 | |||
37 | time(¤t_secs); | ||
38 | current_time = localtime(¤t_secs); | ||
39 | |||
40 | sysinfo(&info); | ||
41 | |||
42 | printf(" %02d:%02d:%02d up ", | ||
43 | current_time->tm_hour, current_time->tm_min, current_time->tm_sec); | ||
44 | updays = (int) info.uptime / (60*60*24); | ||
45 | if (updays) | ||
46 | printf("%d day%s, ", updays, (updays != 1) ? "s" : ""); | ||
47 | upminutes = (int) info.uptime / 60; | ||
48 | uphours = (upminutes / 60) % 24; | ||
49 | upminutes %= 60; | ||
50 | niro | 816 | if (uphours) |
51 | niro | 532 | printf("%2d:%02d, ", uphours, upminutes); |
52 | else | ||
53 | printf("%d min, ", upminutes); | ||
54 | |||
55 | printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n", | ||
56 | LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]), | ||
57 | LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]), | ||
58 | LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2])); | ||
59 | |||
60 | return EXIT_SUCCESS; | ||
61 | } |