uptime: unification of the uptime function for linux/openbsd
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@ -1,59 +1,19 @@
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/* See LICENSE file for copyright and license details. */
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#include <time.h>
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#include <stdio.h>
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#include "../util.h"
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static const char *
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format(int uptime)
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const char *
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uptime(void)
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{
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int h, m;
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h = uptime / 3600;
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m = (uptime - h * 3600) / 60;
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struct timespec uptime;
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if (clock_gettime(CLOCK_BOOTTIME, &uptime) < 0) {
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warn("clock_gettime 'CLOCK_BOOTTIME'");
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return NULL;
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}
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h = uptime.tv_sec / 3600;
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m = uptime.tv_sec % 3600 / 60;
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return bprintf("%dh %dm", h, m);
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}
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#if defined(__linux__)
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#include <sys/sysinfo.h>
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const char *
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uptime(void)
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{
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int uptime;
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struct sysinfo info;
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sysinfo(&info);
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uptime = info.uptime;
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return format(uptime);
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}
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#elif defined(__OpenBSD__)
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#include <sys/sysctl.h>
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#include <sys/time.h>
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const char *
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uptime(void)
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{
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int mib[2], uptime;
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size_t size;
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time_t now;
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struct timeval boottime;
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time(&now);
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mib[0] = CTL_KERN;
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mib[1] = KERN_BOOTTIME;
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size = sizeof(boottime);
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if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
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warn("sysctl 'KERN_BOOTTIME':");
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return NULL;
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}
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uptime = now - boottime.tv_sec;
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return format(uptime);
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}
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#endif
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