Contents of /trunk/mkinitrd-magellan/busybox/procps/uptime.c
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Wed Sep 7 18:39:43 2011 UTC (13 years ago) by niro
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Wed Sep 7 18:39:43 2011 UTC (13 years ago) by niro
File MIME type: text/plain
File size: 1784 byte(s)
-fixed build against linux-3.0
1 | /* 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 | #include "libbb.h" |
19 | #include <sys/sysinfo.h> |
20 | |
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 | int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
30 | int uptime_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) |
31 | { |
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 | if (uphours) |
51 | 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 | } |