1 /* vi: set sw=4 ts=4: */
3 * Mini uptime implementation for busybox
5 * Copyright (C) 1999,2000 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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.
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.
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
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_UMTP_SUPPORT #define
36 #define FSHIFT 16 /* nr of bits of precision */
37 #define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
38 #define LOAD_INT(x) ((x) >> FSHIFT)
39 #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
42 extern int uptime_main(int argc, char **argv)
44 int updays, uphours, upminutes;
46 struct tm *current_time;
50 current_time = localtime(¤t_secs);
54 fprintf(stdout, " %2d:%02d%s up ",
55 current_time->tm_hour%12 ? current_time->tm_hour%12 : 12,
56 current_time->tm_min, current_time->tm_hour > 11 ? "pm" : "am");
57 updays = (int) info.uptime / (60*60*24);
59 fprintf(stdout, "%d day%s, ", updays, (updays != 1) ? "s" : "");
60 upminutes = (int) info.uptime / 60;
61 uphours = (upminutes / 60) % 24;
64 fprintf(stdout, "%2d:%02d, ", uphours, upminutes);
66 fprintf(stdout, "%d min, ", upminutes);
68 printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n",
69 LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]),
70 LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]),
71 LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));