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/* vi: set sw=4 ts=4: */
/*
* Mini uptime implementation for busybox
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* This version of uptime doesn't display the number of users on the system,
* since busybox init doesn't mess with utmp. For folks using utmp that are
* just dying to have # of users reported, feel free to write it as some type
* of CONFIG_FEATURE_UTMP_SUPPORT #define
*/
/* getopt not needed */
#include <stdio.h>
#include <time.h>
#include <errno.h>
#include <stdlib.h>
#include "busybox.h"
static const int FSHIFT = 16; /* nr of bits of precision */
#define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
#define LOAD_INT(x) ((x) >> FSHIFT)
#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
extern int uptime_main(int argc, char **argv)
{
int updays, uphours, upminutes;
struct sysinfo info;
struct tm *current_time;
time_t current_secs;
time(¤t_secs);
current_time = localtime(¤t_secs);
sysinfo(&info);
printf(" %2d:%02d%s up ",
current_time->tm_hour%12 ? current_time->tm_hour%12 : 12,
current_time->tm_min, current_time->tm_hour > 11 ? "pm" : "am");
updays = (int) info.uptime / (60*60*24);
if (updays)
printf("%d day%s, ", updays, (updays != 1) ? "s" : "");
upminutes = (int) info.uptime / 60;
uphours = (upminutes / 60) % 24;
upminutes %= 60;
if(uphours)
printf("%2d:%02d, ", uphours, upminutes);
else
printf("%d min, ", upminutes);
printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n",
LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]),
LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]),
LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));
return EXIT_SUCCESS;
}
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