[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Mini uptime implementation for busybox
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| 4 | *
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| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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| 6 | *
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| 7 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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| 8 | */
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| 9 |
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| 10 | /* This version of uptime doesn't display the number of users on the system,
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| 11 | * since busybox init doesn't mess with utmp. For folks using utmp that are
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| 12 | * just dying to have # of users reported, feel free to write it as some type
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| 13 | * of CONFIG_FEATURE_UTMP_SUPPORT #define
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| 14 | */
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| 15 |
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| 16 | /* getopt not needed */
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| 17 |
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| 18 | #include "busybox.h"
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| 19 | #include <stdio.h>
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| 20 | #include <time.h>
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| 21 | #include <errno.h>
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| 22 | #include <stdlib.h>
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| 23 |
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| 24 | #ifndef FSHIFT
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| 25 | # define FSHIFT 16 /* nr of bits of precision */
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| 26 | #endif
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| 27 | #define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
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| 28 | #define LOAD_INT(x) ((x) >> FSHIFT)
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| 29 | #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
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| 30 |
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| 31 |
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| 32 | int uptime_main(int argc, char **argv)
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| 33 | {
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| 34 | int updays, uphours, upminutes;
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| 35 | struct sysinfo info;
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| 36 | struct tm *current_time;
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| 37 | time_t current_secs;
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| 38 |
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| 39 | time(¤t_secs);
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| 40 | current_time = localtime(¤t_secs);
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| 41 |
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| 42 | sysinfo(&info);
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| 43 |
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| 44 | printf(" %02d:%02d:%02d up ",
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| 45 | current_time->tm_hour, current_time->tm_min, current_time->tm_sec);
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| 46 | updays = (int) info.uptime / (60*60*24);
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| 47 | if (updays)
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| 48 | printf("%d day%s, ", updays, (updays != 1) ? "s" : "");
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| 49 | upminutes = (int) info.uptime / 60;
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| 50 | uphours = (upminutes / 60) % 24;
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| 51 | upminutes %= 60;
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| 52 | if(uphours)
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| 53 | printf("%2d:%02d, ", uphours, upminutes);
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| 54 | else
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| 55 | printf("%d min, ", upminutes);
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| 56 |
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| 57 | printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n",
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| 58 | LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]),
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| 59 | LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]),
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| 60 | LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));
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| 61 |
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| 62 | return EXIT_SUCCESS;
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| 63 | }
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