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authorEric Andersen <andersen@codepoet.org>2001-10-24 05:00:29 +0000
committerEric Andersen <andersen@codepoet.org>2001-10-24 05:00:29 +0000
commitbdfd0d78bc44e73d693510e70087857785b3b521 (patch)
tree153a573095afac8d8d0ea857759ecabd77fb28b7 /uptime.c
parent9260fc5552a3ee52eb95823aa6689d52a1ffd33c (diff)
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Major rework of the directory structure and the entire build system.
-Erik
Diffstat (limited to 'uptime.c')
-rw-r--r--uptime.c77
1 files changed, 0 insertions, 77 deletions
diff --git a/uptime.c b/uptime.c
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1/* vi: set sw=4 ts=4: */
2/*
3 * Mini uptime implementation for busybox
4 *
5 * Copyright (C) 1999,2000,2001 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24/* This version of uptime doesn't display the number of users on the system,
25 * since busybox init doesn't mess with utmp. For folks using utmp that are
26 * just dying to have # of users reported, feel free to write it as some type
27 * of BB_FEATURE_UTMP_SUPPORT #define
28 */
29
30/* getopt not needed */
31
32
33#include <stdio.h>
34#include <time.h>
35#include <errno.h>
36#include <stdlib.h>
37#include "busybox.h"
38
39static const int FSHIFT = 16; /* nr of bits of precision */
40#define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
41#define LOAD_INT(x) ((x) >> FSHIFT)
42#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
43
44
45extern int uptime_main(int argc, char **argv)
46{
47 int updays, uphours, upminutes;
48 struct sysinfo info;
49 struct tm *current_time;
50 time_t current_secs;
51
52 time(&current_secs);
53 current_time = localtime(&current_secs);
54
55 sysinfo(&info);
56
57 printf(" %2d:%02d%s up ",
58 current_time->tm_hour%12 ? current_time->tm_hour%12 : 12,
59 current_time->tm_min, current_time->tm_hour > 11 ? "pm" : "am");
60 updays = (int) info.uptime / (60*60*24);
61 if (updays)
62 printf("%d day%s, ", updays, (updays != 1) ? "s" : "");
63 upminutes = (int) info.uptime / 60;
64 uphours = (upminutes / 60) % 24;
65 upminutes %= 60;
66 if(uphours)
67 printf("%2d:%02d, ", uphours, upminutes);
68 else
69 printf("%d min, ", upminutes);
70
71 printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n",
72 LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]),
73 LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]),
74 LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));
75
76 return EXIT_SUCCESS;
77}