4 files changed, 26 insertions, 26 deletions
diff --git a/tun/wintun/setupapi/setupapi_windows.go b/tun/wintun/setupapi/setupapi_windows.go
index 7bbda42..d195ba4 100644
--- a/tun/wintun/setupapi/setupapi_windows.go
+++ b/tun/wintun/setupapi/setupapi_windows.go
@@ -29,19 +29,14 @@ func SetupDiCreateDeviceInfoListEx(classGUID *windows.GUID, hwndParent uintptr,
 	return setupDiCreateDeviceInfoListEx(classGUID, hwndParent, machineNameUTF16, 0)
 }
 
-//sys	setupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo, deviceInfoSetDetailData *_SP_DEVINFO_LIST_DETAIL_DATA) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW
+//sys	setupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo, deviceInfoSetDetailData *DevInfoListDetailData) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW
 
 // SetupDiGetDeviceInfoListDetail function retrieves information associated with a device information set including the class GUID, remote computer handle, and remote computer name.
 func SetupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo) (deviceInfoSetDetailData *DevInfoListDetailData, err error) {
-	var _data _SP_DEVINFO_LIST_DETAIL_DATA
-	_data.Size = uint32(unsafe.Sizeof(_data))
-
-	err = setupDiGetDeviceInfoListDetail(deviceInfoSet, &_data)
-	if err != nil {
-		return
-	}
+	data := &DevInfoListDetailData{}
+	data.size = uint32(unsafe.Sizeof(*data))
 
-	return _data.toGo(), nil
+	return data, setupDiGetDeviceInfoListDetail(deviceInfoSet, data)
 }
 
 // GetDeviceInfoListDetail method retrieves information associated with a device information set including the class GUID, remote computer handle, and remote computer name.
diff --git a/tun/wintun/setupapi/setupapi_windows_test.go b/tun/wintun/setupapi/setupapi_windows_test.go
index 16d2603..b8f4bc7 100644
--- a/tun/wintun/setupapi/setupapi_windows_test.go
+++ b/tun/wintun/setupapi/setupapi_windows_test.go
@@ -63,7 +63,7 @@ func TestSetupDiGetDeviceInfoListDetail(t *testing.T) {
 			t.Error("SetupDiGetDeviceInfoListDetail returned non-NULL remote machine handle")
 		}
 
-		if data.RemoteMachineName != "" {
+		if data.GetRemoteMachineName() != "" {
 			t.Error("SetupDiGetDeviceInfoListDetail returned non-NULL remote machine name")
 		}
 	}
@@ -86,10 +86,16 @@ func TestSetupDiGetDeviceInfoListDetail(t *testing.T) {
 			t.Error("SetupDiGetDeviceInfoListDetail returned NULL remote machine handle")
 		}
 
-		if data.RemoteMachineName != computerName {
+		if data.GetRemoteMachineName() != computerName {
 			t.Error("SetupDiGetDeviceInfoListDetail returned different remote machine name")
 		}
 	}
+
+	data = &DevInfoListDetailData{}
+	data.SetRemoteMachineName("foobar")
+	if data.GetRemoteMachineName() != "foobar" {
+		t.Error("DevInfoListDetailData.(Get|Set)RemoteMachineName() differ")
+	}
 }
 
 func TestSetupDiCreateDeviceInfo(t *testing.T) {
diff --git a/tun/wintun/setupapi/types_windows.go b/tun/wintun/setupapi/types_windows.go
index 23bee25..a37fdec 100644
--- a/tun/wintun/setupapi/types_windows.go
+++ b/tun/wintun/setupapi/types_windows.go
@@ -57,26 +57,25 @@ type DevInfoData struct {
 	_         uintptr
 }
 
-type _SP_DEVINFO_LIST_DETAIL_DATA struct {
-	Size                uint32
+// DevInfoListDetailData is a structure for detailed information on a device information set (used for SetupDiGetDeviceInfoListDetail which supercedes the functionality of SetupDiGetDeviceInfoListClass).
+type DevInfoListDetailData struct {
+	size                uint32
 	ClassGUID           windows.GUID
 	RemoteMachineHandle windows.Handle
-	RemoteMachineName   [SP_MAX_MACHINENAME_LENGTH]uint16
+	remoteMachineName   [SP_MAX_MACHINENAME_LENGTH]uint16
 }
 
-func (_data *_SP_DEVINFO_LIST_DETAIL_DATA) toGo() *DevInfoListDetailData {
-	return &DevInfoListDetailData{
-		ClassGUID:           _data.ClassGUID,
-		RemoteMachineHandle: _data.RemoteMachineHandle,
-		RemoteMachineName:   windows.UTF16ToString(_data.RemoteMachineName[:]),
-	}
+func (data *DevInfoListDetailData) GetRemoteMachineName() string {
+	return windows.UTF16ToString(data.remoteMachineName[:])
 }
 
-// DevInfoListDetailData is a structure for detailed information on a device information set (used for SetupDiGetDeviceInfoListDetail which supercedes the functionality of SetupDiGetDeviceInfoListClass).
-type DevInfoListDetailData struct {
-	ClassGUID           windows.GUID
-	RemoteMachineHandle windows.Handle
-	RemoteMachineName   string
+func (data *DevInfoListDetailData) SetRemoteMachineName(remoteMachineName string) error {
+	str, err := syscall.UTF16FromString(remoteMachineName)
+	if err != nil {
+		return err
+	}
+	copy(data.remoteMachineName[:], str)
+	return nil
 }
 
 // DI_FUNCTION is function type for device installer
diff --git a/tun/wintun/setupapi/zsetupapi_windows.go b/tun/wintun/setupapi/zsetupapi_windows.go
index 3e393b4..9292413 100644
--- a/tun/wintun/setupapi/zsetupapi_windows.go
+++ b/tun/wintun/setupapi/zsetupapi_windows.go
@@ -79,7 +79,7 @@ func setupDiCreateDeviceInfoListEx(classGUID *windows.GUID, hwndParent uintptr,
 	return
 }
 
-func setupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo, deviceInfoSetDetailData *_SP_DEVINFO_LIST_DETAIL_DATA) (err error) {
+func setupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo, deviceInfoSetDetailData *DevInfoListDetailData) (err error) {
 	r1, _, e1 := syscall.Syscall(procSetupDiGetDeviceInfoListDetailW.Addr(), 2, uintptr(deviceInfoSet), uintptr(unsafe.Pointer(deviceInfoSetDetailData)), 0)
 	if r1 == 0 {
 		if e1 != 0 {