X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/ee5ec756218c852385c5ba5ef0f75b47ba59ec39..ae8a658d0cf8f12e6633447a53a75d2583b94d46:/components/uptime.c

diff --git a/components/uptime.c b/components/uptime.c
index 981f3cd..7c23c98 100644
--- a/components/uptime.c
+++ b/components/uptime.c
@@ -1,61 +1,33 @@
 /* See LICENSE file for copyright and license details. */
+#include <stdint.h>
 #include <stdio.h>
+#include <time.h>
 
 #include "../util.h"
 
+#if defined(CLOCK_BOOTTIME)
+	#define UPTIME_FLAG CLOCK_BOOTTIME
+#elif defined(CLOCK_UPTIME)
+	#define UPTIME_FLAG CLOCK_UPTIME
+#else
+	#define UPTIME_FLAG CLOCK_MONOTONIC
+#endif
+
 const char *
-format(int uptime)
+uptime(void)
 {
-	int h, m;
-
-	h = uptime / 3600;
-	m = (uptime - h * 3600) / 60;
-
-	return bprintf("%dh %dm", h, m);
-}
-
-#if defined(__linux__)
-	#include <sys/sysinfo.h>
-
-	const char *
-	uptime(void)
-	{
-		int uptime;
-		struct sysinfo info;
-
-		sysinfo(&info);
-		uptime = info.uptime;
-
-		return format(uptime);
+	char warn_buf[256];
+	uintmax_t h, m;
+	struct timespec uptime;
+
+	if (clock_gettime(UPTIME_FLAG, &uptime) < 0) {
+		snprintf(warn_buf, 256, "clock_gettime %d", UPTIME_FLAG);
+		warn(warn_buf);
+		return NULL;
 	}
-#elif defined(__OpenBSD__)
-	#include <errno.h>
-	#include <string.h>
-	#include <sys/sysctl.h>
-	#include <sys/time.h>
 
-	const char *
-	uptime(void)
-	{
-		int mib[2], uptime;
-		size_t size;
-		time_t now;
-		struct timeval boottime;
+	h = uptime.tv_sec / 3600;
+	m = uptime.tv_sec % 3600 / 60;
 
-		time(&now);
-
-		mib[0] = CTL_KERN;
-		mib[1] = KERN_BOOTTIME;
-
-		size = sizeof(boottime);
-
-		if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
-			fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno));
-			return NULL;
-		}
-
-		uptime = now - boottime.tv_sec;
-
-		return format(uptime);
-	}
-#endif
+	return bprintf("%juh %jum", h, m);
+}