1 /* vi: set sw=4 ts=4: */
3 * Mini uptime implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 /* This version of uptime doesn't display the number of users on the system,
24 * since busybox init doesn't mess with utmp. For folks using utmp that are
25 * just dying to have # of users reported, feel free to write it as some type
26 * of CONFIG_FEATURE_UTMP_SUPPORT #define
29 /* getopt not needed */
39 # define FSHIFT 16 /* nr of bits of precision */
41 #define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
42 #define LOAD_INT(x) ((x) >> FSHIFT)
43 #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
46 extern int uptime_main(int argc, char **argv)
48 int updays, uphours, upminutes;
50 struct tm *current_time;
54 current_time = localtime(¤t_secs);
58 printf(" %02d:%02d:%02d up ",
59 current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
60 updays = (int) info.uptime / (60*60*24);
62 printf("%d day%s, ", updays, (updays != 1) ? "s" : "");
63 upminutes = (int) info.uptime / 60;
64 uphours = (upminutes / 60) % 24;
67 printf("%2d:%02d, ", uphours, upminutes);
69 printf("%d min, ", upminutes);
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]));