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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini uptime implementation for busybox
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under the GPL version 2, see the file LICENSE in this tarball.
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*/
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/* This version of uptime doesn't display the number of users on the system,
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* since busybox init doesn't mess with utmp. For folks using utmp that are
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* just dying to have # of users reported, feel free to write it as some type
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* of CONFIG_FEATURE_UTMP_SUPPORT #define
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*/
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/* getopt not needed */
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#include "libbb.h"
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#ifndef FSHIFT
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# define FSHIFT 16 /* nr of bits of precision */
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#endif
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#define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
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#define LOAD_INT(x) ((x) >> FSHIFT)
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#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
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int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int uptime_main(int argc, char **argv)
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{
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int updays, uphours, upminutes;
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struct sysinfo info;
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struct tm *current_time;
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time_t current_secs;
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time(¤t_secs);
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current_time = localtime(¤t_secs);
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sysinfo(&info);
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printf(" %02d:%02d:%02d up ",
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current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
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updays = (int) info.uptime / (60*60*24);
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if (updays)
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printf("%d day%s, ", updays, (updays != 1) ? "s" : "");
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upminutes = (int) info.uptime / 60;
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uphours = (upminutes / 60) % 24;
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upminutes %= 60;
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if (uphours)
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printf("%2d:%02d, ", uphours, upminutes);
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else
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printf("%d min, ", upminutes);
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printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n",
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LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]),
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LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]),
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LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));
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return EXIT_SUCCESS;
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}
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