/* See LICENSE file for copyright and license details. */
-#include <errno.h>
+#include <inttypes.h>
#include <stdio.h>
-#include <string.h>
-#if defined(__linux__)
-#include <sys/sysinfo.h>
-#elif defined(__OpenBSD__)
-#include <sys/sysctl.h>
-#include <sys/time.h>
-#endif
+#include <time.h>
#include "../util.h"
const char *
uptime(void)
{
- int h;
- int m;
- int uptime = 0;
-#if defined(__linux__)
- struct sysinfo info;
+ uint64_t h, m;
+ struct timespec uptime;
- sysinfo(&info);
- uptime = info.uptime;
-#elif defined(__OpenBSD__)
- int mib[2];
- 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) != -1)
- uptime = now - boottime.tv_sec;
- else {
- fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno));
+ if (clock_gettime(CLOCK_BOOTTIME, &uptime) < 0) {
+ warn("clock_gettime 'CLOCK_BOOTTIME'");
return NULL;
}
-#endif
- h = uptime / 3600;
- m = (uptime - h * 3600) / 60;
- return bprintf("%dh %dm", h, m);
+ h = uptime.tv_sec / 3600;
+ m = uptime.tv_sec % 3600 / 60;
+
+ return bprintf("%" PRIu64 "h %" PRIu64 "m", h, m);
}