Add basic backlight percentage support

[slstatus.git] / components / uptime.c

diff --git a/components/uptime.c b/components/uptime.c
index 25f904c..f97809d 100644 (file)
--- a/components/uptime.c
+++ b/components/uptime.c
@@ -1,41 +1,43 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "../util.h"
 
+static const char *
+format(int uptime)
+{
+       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 h;
-               int m;
-               int uptime = 0;
+               int uptime;
                struct sysinfo info;
 
                sysinfo(&info);
                uptime = info.uptime;
 
-               h = uptime / 3600;
-               m = (uptime - h * 3600) / 60;
-
-               return bprintf("%dh %dm", h, m);
+               return format(uptime);
        }
 #elif defined(__OpenBSD__)
+       #include <errno.h>
+       #include <string.h>
        #include <sys/sysctl.h>
        #include <sys/time.h>
 
        const char *
        uptime(void)
        {
-               int h;
-               int m;
-               int uptime = 0;
-
-               int mib[2];
+               int mib[2], uptime;
                size_t size;
                time_t now;
                struct timeval boottime;
@@ -47,16 +49,13 @@
 
                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));
+               if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
+                       warn("sysctl 'KERN_BOOTTIME':");
                        return NULL;
                }
 
-               h = uptime / 3600;
-               m = (uptime - h * 3600) / 60;
+               uptime = now - boottime.tv_sec;
 
-               return bprintf("%dh %dm", h, m);
+               return format(uptime);
        }
 #endif