/* See LICENSE file for copyright and license details. */
-#include <sys/sysinfo.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
#include "../util.h"
-const char *
-uptime(void)
-{
- struct sysinfo info;
- int h = 0;
- int m = 0;
+#if defined(__linux__)
+ #include <sys/sysinfo.h>
- sysinfo(&info);
- h = info.uptime / 3600;
- m = (info.uptime - h * 3600 ) / 60;
+ const char *
+ uptime(void)
+ {
+ int h;
+ int m;
+ int uptime = 0;
+ struct sysinfo info;
- return bprintf("%dh %dm", h, m);
-}
+ sysinfo(&info);
+ uptime = info.uptime;
+
+ h = uptime / 3600;
+ m = (uptime - h * 3600) / 60;
+
+ return bprintf("%dh %dm", h, m);
+ }
+#elif defined(__OpenBSD__)
+ #include <sys/sysctl.h>
+ #include <sys/time.h>
+
+ const char *
+ uptime(void)
+ {
+ int h;
+ int m;
+ int uptime = 0;
+
+ 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));
+ return NULL;
+ }
+
+ h = uptime / 3600;
+ m = (uptime - h * 3600) / 60;
+
+ return bprintf("%dh %dm", h, m);
+ }
+#endif