slstatus/components/uptime.c
Aaron Marcher b0401b13bb Clean up header includes
- Remove <errno.h> because related functions are in util.c now
 - Remove corresponding <string.h> if not used otherwise
2018-05-30 19:35:37 +02:00

59 lines
891 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include "../util.h"
static const char *
format(int uptime)
{
int h, m;
h = uptime / 3600;
m = (uptime - h * 3600) / 60;
return bprintf("%dh %dm", h, m);
}
#if defined(__linux__)
#include <sys/sysinfo.h>
const char *
uptime(void)
{
int uptime;
struct sysinfo info;
sysinfo(&info);
uptime = info.uptime;
return format(uptime);
}
#elif defined(__OpenBSD__)
#include <sys/sysctl.h>
#include <sys/time.h>
const char *
uptime(void)
{
int mib[2], uptime;
size_t size;
time_t now;
struct timeval boottime;
time(&now);
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
size = sizeof(boottime);
if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
warn("sysctl 'KERN_BOOTTIME':");
return NULL;
}
uptime = now - boottime.tv_sec;
return format(uptime);
}
#endif