diff options
Diffstat (limited to 'procps')
| -rw-r--r-- | procps/uptime.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/procps/uptime.c b/procps/uptime.c new file mode 100644 index 000000000..46797adb7 --- /dev/null +++ b/procps/uptime.c @@ -0,0 +1,73 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini uptime implementation for busybox + * + * Copyright (C) 1999 by Lineo, inc. + * Written by Erik Andersen <andersen@lineo.com>, <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_UMTP_SUPPORT #define + */ + + +#include "internal.h" +#include <stdio.h> +#include <time.h> +#include <sys/sysinfo.h> + +#define 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); + + fprintf(stdout, " %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) + fprintf(stdout, "%d day%s, ", updays, (updays != 1) ? "s" : ""); + upminutes = (int) info.uptime / 60; + uphours = (upminutes / 60) % 24; + upminutes %= 60; + if(uphours) + fprintf(stdout, "%2d:%02d, ", uphours, upminutes); + else + fprintf(stdout, "%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])); + + exit(TRUE); +} |