X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/fc5d23212fdaec8c242db9b25770f290dd287212..faa52bdcc0221de2d8fae950e409a8ac5e05bfcd:/components/uptime.c

diff --git a/components/uptime.c b/components/uptime.c
index c5e28ee..a3082f2 100644
--- a/components/uptime.c
+++ b/components/uptime.c
@@ -1,8 +1,10 @@
 /* See LICENSE file for copyright and license details. */
+#include <errno.h>
 #include <stdio.h>
-#ifdef __linux__
+#include <string.h>
+#if defined(__linux__)
 #include <sys/sysinfo.h>
-#elif __OpenBSD__
+#elif defined(__OpenBSD__)
 #include <sys/sysctl.h>
 #include <sys/time.h>
 #endif
@@ -15,12 +17,12 @@ uptime(void)
 	int h;
 	int m;
 	int uptime = 0;
-#ifdef __linux__
+#if defined(__linux__)
 	struct sysinfo info;
 
 	sysinfo(&info);
 	uptime = info.uptime;
-#elif __OpenBSD__
+#elif defined(__OpenBSD__)
 	int mib[2];
 	size_t size;
 	time_t now;
@@ -35,8 +37,10 @@ uptime(void)
 
 	if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1)
 		uptime = now - boottime.tv_sec;
-	else
+	else {
+		fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno));
 		return NULL;
+	}
 #endif
 	h = uptime / 3600;
 	m = (uptime - h * 3600) / 60;