slstatus/components/uptime.c
2018-07-07 10:50:25 +02:00

23 lines
439 B
C

/* See LICENSE file for copyright and license details. */
#include <inttypes.h>
#include <stdio.h>
#include <time.h>
#include "../util.h"
const char *
uptime(void)
{
uintmax_t h, m;
struct timespec uptime;
if (clock_gettime(CLOCK_BOOTTIME, &uptime) < 0) {
warn("clock_gettime 'CLOCK_BOOTTIME'");
return NULL;
}
h = uptime.tv_sec / 3600;
m = uptime.tv_sec % 3600 / 60;
return bprintf("%" PRIuMAX "h %" PRIuMAX "m", h, m);
}