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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>
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
/* 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 */
//usage:#define uptime_trivial_usage
//usage: ""
//usage:#define uptime_full_usage "\n\n"
//usage: "Display the time since the last boot"
//usage:
//usage:#define uptime_example_usage
//usage: "$ uptime\n"
//usage: " 1:55pm up 2:30, load average: 0.09, 0.04, 0.00\n"
#include "libbb.h"
#ifdef __linux__
# include <sys/sysinfo.h>
#endif
#ifndef FSHIFT
# define FSHIFT 16 /* nr of bits of precision */
#endif
#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)
int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int uptime_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
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(" %02d:%02d:%02d up ",
current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
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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