/* vi: set sw=4 ts=4: *//* * Mini uptime implementation for busybox * * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.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 BB_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(&current_secs);	current_time = localtime(&current_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;}