implements Boot_time(). This is moved from Hostinfo.

host_test.go

@@ -9,7 +9,17 @@ func TestHostInfo(t *testing.T) {
 	if err != nil {
 		t.Errorf("error %v", err)
 	}
-	if v.Uptime == 0 {
-		t.Errorf("Could not get uptime %v", v)
+	if v.Hostname == "" {
+		t.Errorf("Could not get hostinfo %v", v)
+	}
+}
+
+func TestBoot_time(t *testing.T) {
+	v, err := Boot_time()
+	if err != nil {
+		t.Errorf("error %v", err)
+	}
+	if v == 0 {
+		t.Errorf("Could not boot time %v", v)
 	}
 }

host_unix.go

@@ -16,11 +16,14 @@ func HostInfo() (HostInfoStat, error) {
 		return ret, err
 	}
 
+	return ret, nil
+}
+
+
+func Boot_time() (int64, error){
 	sysinfo := &syscall.Sysinfo_t{}
 	if err := syscall.Sysinfo(sysinfo); err != nil {
-		return ret, err
+		return 0, err
 	}
-	ret.Uptime = sysinfo.Uptime
-
-	return ret, nil
+	return sysinfo.Uptime, nil
 }