From bce9212defc9cc9e0183b8fccae8b1f991977745 Mon Sep 17 00:00:00 2001
From: Shirou WAKAYAMA <shirou.faw@gmail.com>
Date: Fri, 1 Apr 2016 22:22:03 +0900
Subject: [PATCH] fix build bugs.

---
 cpu/cpu_linux.go                  | 2 +-
 host/host_linux.go                | 2 +-
 internal/common/common_darwin.go  | 2 +-
 internal/common/common_freebsd.go | 2 +-
 mem/mem_darwin.go                 | 3 ---
 net/net_darwin.go                 | 2 +-
 process/process_posix.go          | 4 ++--
 7 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/cpu/cpu_linux.go b/cpu/cpu_linux.go
index c561f66..f7cf4c3 100644
--- a/cpu/cpu_linux.go
+++ b/cpu/cpu_linux.go
@@ -19,7 +19,7 @@ func init() {
 	if err != nil {
 		return
 	}
-	out, err := exec.Command(getcon, "CLK_TCK").Output()
+	out, err := exec.Command(getconf, "CLK_TCK").Output()
 	// ignore errors
 	if err == nil {
 		i, err := strconv.ParseFloat(strings.TrimSpace(string(out)), 64)
diff --git a/host/host_linux.go b/host/host_linux.go
index 3ae232a..f56906c 100644
--- a/host/host_linux.go
+++ b/host/host_linux.go
@@ -165,7 +165,7 @@ func getLSB() (*LSB, error) {
 	} else if common.PathExists("/usr/bin/lsb_release") {
 		lsb_release, err := exec.LookPath("/usr/bin/lsb_release")
 		if err != nil {
-			return ret, error
+			return ret, err
 		}
 		out, err := exec.Command(lsb_release).Output()
 		if err != nil {
diff --git a/internal/common/common_darwin.go b/internal/common/common_darwin.go
index 2b795d8..bdad369 100644
--- a/internal/common/common_darwin.go
+++ b/internal/common/common_darwin.go
@@ -18,7 +18,7 @@ func DoSysctrl(mib string) ([]string, error) {
 
 	sysctl, err := exec.LookPath("/usr/bin/getconf")
 	if err != nil {
-		return
+		return []string{}, err
 	}
 	out, err := exec.Command(sysctl, "-n", mib).Output()
 	if err != nil {
diff --git a/internal/common/common_freebsd.go b/internal/common/common_freebsd.go
index 6408a97..dfdcebd 100644
--- a/internal/common/common_freebsd.go
+++ b/internal/common/common_freebsd.go
@@ -17,7 +17,7 @@ func DoSysctrl(mib string) ([]string, error) {
 	}
 	sysctl, err := exec.LookPath("/sbin/sysctl")
 	if err != nil {
-		return
+		return []string{}, err
 	}
 	out, err := exec.Command(sysctl, "-n", mib).Output()
 	if err != nil {
diff --git a/mem/mem_darwin.go b/mem/mem_darwin.go
index acf9a5f..922b05c 100644
--- a/mem/mem_darwin.go
+++ b/mem/mem_darwin.go
@@ -4,7 +4,6 @@ package mem
 
 import (
 	"encoding/binary"
-	"fmt"
 	"strconv"
 	"strings"
 	"syscall"
@@ -36,8 +35,6 @@ func SwapMemory() (*SwapMemoryStat, error) {
 		return ret, err
 	}
 
-	fmt.Println(swapUsage)
-
 	total := strings.Replace(swapUsage[2], "M", "", 1)
 	used := strings.Replace(swapUsage[5], "M", "", 1)
 	free := strings.Replace(swapUsage[8], "M", "", 1)
diff --git a/net/net_darwin.go b/net/net_darwin.go
index 7a5de45..4fa358a 100644
--- a/net/net_darwin.go
+++ b/net/net_darwin.go
@@ -17,7 +17,7 @@ import (
 // lo0   16384 ::1/128     ::1                 869107     -  169411755   869107     -  169411755     -   -
 // lo0   16384 127           127.0.0.1         869107     -  169411755   869107     -  169411755     -   -
 func IOCounters(pernic bool) ([]IOCountersStat, error) {
-	netstat, err := exec.LookPath("/usr/bin/netstat")
+	netstat, err := exec.LookPath("/usr/sbin/netstat")
 	if err != nil {
 		return nil, err
 	}
diff --git a/process/process_posix.go b/process/process_posix.go
index 20db9e4..92353b8 100644
--- a/process/process_posix.go
+++ b/process/process_posix.go
@@ -66,11 +66,11 @@ func (p *Process) SendSignal(sig syscall.Signal) error {
 
 	kill, err := exec.LookPath("kill")
 	if err != nil {
-		return
+		return err
 	}
 	cmd := exec.Command(kill, "-s", sigAsStr, strconv.Itoa(int(p.Pid)))
 	cmd.Stderr = os.Stderr
-	err := cmd.Run()
+	err = cmd.Run()
 	if err != nil {
 		return err
 	}