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Simplify SetupDiEnumDeviceInfo() synopsis

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The SetupDiEnumDeviceInfo() now returns a SP_DEVINFO_DATA rather than
taking it on input to fill it on return.

Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-02-04 11:40:44 +01:00 committed by Jason A. Donenfeld
parent 20f1512b7c
commit 38c7acd70f
2 changed files with 10 additions and 11 deletions
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8
setupapi/setupapi_windows.go
View File

@ -122,9 +122,11 @@ func SetupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo) (data *DevInfoListDet
}
// SetupDiEnumDeviceInfo function returns a SP_DEVINFO_DATA structure that specifies a device information element in a device information set.
func SetupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex int, data *SP_DEVINFO_DATA) error {
data.Size = uint32(unsafe.Sizeof(*data))
return setupDiEnumDeviceInfo(DeviceInfoSet, uint32(MemberIndex), data)
func SetupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex int) (DeviceInfoData *SP_DEVINFO_DATA, err error) {
data := SP_DEVINFO_DATA{}
data.Size = uint32(unsafe.Sizeof(data))
return &data, setupDiEnumDeviceInfo(DeviceInfoSet, uint32(MemberIndex), &data)
}
// SetupDiOpenDevRegKey function opens a registry key for device-specific configuration information.

13
setupapi/setupapi_windows_test.go
View File

@ -146,9 +146,8 @@ func TestSetupDiEnumDeviceInfo(t *testing.T) {
}
defer devInfoList.Close()
var data SP_DEVINFO_DATA
for i := 0; true; i++ {
err := SetupDiEnumDeviceInfo(devInfoList, i, &data)
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -169,9 +168,8 @@ func TestSetupDiOpenDevRegKey(t *testing.T) {
}
defer devInfoList.Close()
var data SP_DEVINFO_DATA
for i := 0; true; i++ {
err := SetupDiEnumDeviceInfo(devInfoList, i, &data)
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -179,7 +177,7 @@ func TestSetupDiOpenDevRegKey(t *testing.T) {
continue
}
key, err := SetupDiOpenDevRegKey(devInfoList, &data, DICS_FLAG_GLOBAL, 0, DIREG_DRV, windows.KEY_READ)
key, err := SetupDiOpenDevRegKey(devInfoList, data, DICS_FLAG_GLOBAL, 0, DIREG_DRV, windows.KEY_READ)
if err != nil {
t.Errorf("Error calling SetupDiOpenDevRegKey: %s", err.Error())
}
@ -194,9 +192,8 @@ func TestSetupDiGetDeviceInstallParams(t *testing.T) {
}
defer devInfoList.Close()
var data SP_DEVINFO_DATA
for i := 0; true; i++ {
err := SetupDiEnumDeviceInfo(devInfoList, i, &data)
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -204,7 +201,7 @@ func TestSetupDiGetDeviceInstallParams(t *testing.T) {
continue
}
_, err = SetupDiGetDeviceInstallParams(devInfoList, &data)
_, err = SetupDiGetDeviceInstallParams(devInfoList, data)
if err != nil {
t.Errorf("Error calling SetupDiOpenDevRegKey: %s", err.Error())
}