X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/9750a3d731cd381e832bcacf1d03e48ddb46cc16..1452a44832a302d8928793b889aafd05ab54df2c:/components/uptime.c

diff --git a/components/uptime.c b/components/uptime.c
index 25f904c..274b41b 100644
--- a/components/uptime.c
+++ b/components/uptime.c
@@ -1,62 +1,19 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
+#include <time.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "../util.h"
 
-#if defined(__linux__)
-	#include <sys/sysinfo.h>
-
-	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__)
-	#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);
+const char *
+uptime(void)
+{
+	int h, m;
+	struct timespec uptime;
+	if (clock_gettime(CLOCK_BOOTTIME, &uptime) < 0) {
+		warn("clock_gettime 'CLOCK_BOOTTIME'");
+		return NULL;
 	}
-#endif
+	h = uptime.tv_sec / 3600;
+	m = uptime.tv_sec % 3600 / 60;
+	return bprintf("%dh %dm", h, m);
+}