implements disk_partitions on linux using /etc/mtab

README.rst

@@ -65,7 +65,7 @@ Current Status
   - cpu_count (linux, freebsd, windows)
   - virtual_memory (linux, windows)
   - swap_memory (linux)
-  - disk_partitions (freebsd, windows)
+  - disk_partitions (linux, freebsd, windows)
   - disk_usage (linux, freebsd, windows)
   - net_io_counters (linux)
   - boot_time (linux, freebsd, windows(but little broken))

disk_linux.go

@@ -2,8 +2,34 @@
 
 package gopsutil
 
+import (
+	"strings"
+)
+
+const(
+	MNT_WAIT   = 1
+)
+
+// Get disk partitions.
+// should use setmntent(3) but this implement use /etc/mtab file
 func Disk_partitions(all bool) ([]Disk_partitionStat, error) {
 	ret := make([]Disk_partitionStat, 0)
 
+	filename := "/etc/mtab"
+	lines, err := ReadLines(filename)
+	if err != nil{
+		return ret, err
+	}
+
+	for _, line := range lines{
+		fields := strings.Fields(line)
+		d := Disk_partitionStat{
+			Mountpoint: fields[1],
+			Fstype:     fields[2],
+			Opts:       fields[3],
+		}
+		ret = append(ret, d)
+	}
+
 	return ret, nil
 }

disk_test.go

 package gopsutil
 
 import (
-	"encoding/json"
-	"fmt"
 	"runtime"
 	"testing"
 )
@@ -12,19 +10,17 @@ func TestDisk_usage(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		path = "C:"
 	}
-	v, err := Disk_usage(path)
+	_, err := Disk_usage(path)
 	if err != nil {
 		t.Errorf("error %v", err)
 	}
-	d, _ := json.Marshal(v)
-	fmt.Printf("%s\n", d)
+//	d, _ := json.Marshal(v)
+//  fmt.Printf("%s\n", d)
 }
 
 func TestDisk_partitions(t *testing.T) {
-	v, err := Disk_partitions(false)
+	_, err := Disk_partitions(false)
 	if err != nil {
 		t.Errorf("error %v", err)
 	}
-	d, _ := json.Marshal(v)
-	fmt.Printf("%s\n", d)
 }