X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/42edfea89a47cbf0623d1aaf5673a4e5ca79fb52..1452a44832a302d8928793b889aafd05ab54df2c:/components/uptime.c

diff --git a/components/uptime.c b/components/uptime.c
index debe4cb..274b41b 100644
--- a/components/uptime.c
+++ b/components/uptime.c
@@ -1,63 +1,19 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
+#include <time.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 "../util.h"
 
-#if defined(__linux__)
 const char *
 uptime(void)
 {
-	int h;
-	int m;
-	int uptime = 0;
-	struct sysinfo info;
-
-	sysinfo(&info);
-	uptime = info.uptime;
-
-	h = uptime / 3600;
-	m = (uptime - h * 3600) / 60;
-
-	return bprintf("%dh %dm", h, m);
-}
-#elif defined(__OpenBSD__)
-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));
+	int h, m;
+	struct timespec uptime;
+	if (clock_gettime(CLOCK_BOOTTIME, &uptime) < 0) {
+		warn("clock_gettime 'CLOCK_BOOTTIME'");
 		return NULL;
 	}
-
-	h = uptime / 3600;
-	m = (uptime - h * 3600) / 60;
-
+	h = uptime.tv_sec / 3600;
+	m = uptime.tv_sec % 3600 / 60;
 	return bprintf("%dh %dm", h, m);
 }
-#endif