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uptime: unification of the uptime function for linux/openbsd

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Tobias Tschinkowitz 2018-06-01 20:10:34 +02:00 committed by Aaron Marcher
parent 8c8091f4f1
commit 005b541717
1 changed files with 10 additions and 50 deletions
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58
components/uptime.c
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@ -1,59 +1,19 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <time.h>
#include <stdio.h> #include <stdio.h>
#include "../util.h" #include "../util.h"
static const char * const char *
format(int uptime) uptime(void)
{ {
int h, m; int h, m;
struct timespec uptime;
h = uptime / 3600; if (clock_gettime(CLOCK_BOOTTIME, &uptime) < 0) {
m = (uptime - h * 3600) / 60; warn("clock_gettime 'CLOCK_BOOTTIME'");
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; return NULL;
} }
h = uptime.tv_sec / 3600;
uptime = now - boottime.tv_sec; m = uptime.tv_sec % 3600 / 60;
return bprintf("%dh %dm", h, m);
return format(uptime);
} }
#endif