diff options
Diffstat (limited to 'procps/uptime.c')
| -rw-r--r-- | procps/uptime.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/procps/uptime.c b/procps/uptime.c new file mode 100644 index 0000000..d9aa1d0 --- /dev/null +++ b/procps/uptime.c @@ -0,0 +1,60 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini uptime implementation for busybox + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * Licensed under the GPL version 2, see the file LICENSE in this tarball. + */ + +/* 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 CONFIG_FEATURE_UTMP_SUPPORT #define + */ + +/* getopt not needed */ + +#include "libbb.h" + +#ifndef FSHIFT +# define FSHIFT 16 /* nr of bits of precision */ +#endif +#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) + + +int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int uptime_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) +{ + 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); + + printf(" %02d:%02d:%02d up ", + current_time->tm_hour, current_time->tm_min, current_time->tm_sec); + updays = (int) info.uptime / (60*60*24); + if (updays) + printf("%d day%s, ", updays, (updays != 1) ? "s" : ""); + upminutes = (int) info.uptime / 60; + uphours = (upminutes / 60) % 24; + upminutes %= 60; + if (uphours) + printf("%2d:%02d, ", uphours, upminutes); + else + printf("%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])); + + return EXIT_SUCCESS; +} |