snow/wireguard-go
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Change generic local variable names with meaningful replacements

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-02-04 09:51:19 +01:00 committed by Jason A. Donenfeld
parent 348b4e9f7c
commit 20f1512b7c
1 changed files with 42 additions and 41 deletions
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83
setupapi/setupapi_windows.go
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@ -28,55 +28,56 @@ import (
// SetupDiClassNameFromGuidEx function retrieves the class name associated with a class GUID. The class can be installed on a local or remote computer.
func SetupDiClassNameFromGuidEx(ClassGUID *windows.GUID, MachineName string) (ClassName string, err error) {
var _p0 [MAX_CLASS_NAME_LEN]uint16
var classNameUTF16 [MAX_CLASS_NAME_LEN]uint16
var _p1 *uint16
var machineNameUTF16 *uint16
if MachineName != "" {
_p1, err = syscall.UTF16PtrFromString(MachineName)
machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
if err != nil {
return
}
}
err = setupDiClassNameFromGuidEx(ClassGUID, &_p0[0], MAX_CLASS_NAME_LEN, nil, _p1, 0)
err = setupDiClassNameFromGuidEx(ClassGUID, &classNameUTF16[0], MAX_CLASS_NAME_LEN, nil, machineNameUTF16, 0)
if err != nil {
return
}
ClassName = windows.UTF16ToString(_p0[:])
ClassName = windows.UTF16ToString(classNameUTF16[:])
return
}
// SetupDiClassGuidsFromNameEx function retrieves the GUIDs associated with the specified class name. This resulting list contains the classes currently installed on a local or remote computer.
func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGuidList []windows.GUID, err error) {
_p0, err := syscall.UTF16PtrFromString(ClassName)
classNameUTF16, err := syscall.UTF16PtrFromString(ClassName)
if err != nil {
return
}
var _p1 [4]windows.GUID
var _p1reqSize uint32
const bufLen = 4
var buf [bufLen]windows.GUID
var bufCount uint32
var _p2 *uint16
var machineNameUTF16 *uint16
if MachineName != "" {
_p2, err = syscall.UTF16PtrFromString(MachineName)
machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
if err != nil {
return
}
}
err = setupDiClassGuidsFromNameEx(_p0, &_p1[0], 4, &_p1reqSize, _p2, 0)
err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufLen, &bufCount, machineNameUTF16, 0)
if err == nil {
// The GUID array was sufficiently big. Return its slice.
return _p1[:_p1reqSize], nil
return buf[:bufCount], nil
}
if errWin, ok := err.(syscall.Errno); ok && errWin == windows.ERROR_INSUFFICIENT_BUFFER {
// The GUID array was too small. Now that we got the required size, create another one big enough and retry.
_p1 := make([]windows.GUID, _p1reqSize)
err = setupDiClassGuidsFromNameEx(_p0, &_p1[0], _p1reqSize, &_p1reqSize, _p2, 0)
buf := make([]windows.GUID, bufCount)
err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufCount, &bufCount, machineNameUTF16, 0)
if err == nil {
return _p1[:_p1reqSize], nil
return buf[:bufCount], nil
}
}
@ -85,37 +86,37 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui
// SetupDiGetClassDevsEx function returns a handle to a device information set that contains requested device information elements for a local or a remote computer.
func SetupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator string, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName string) (handle DevInfo, err error) {
var _p0 *uint16
var enumeratorUTF16 *uint16
if Enumerator != "" {
_p0, err = syscall.UTF16PtrFromString(Enumerator)
enumeratorUTF16, err = syscall.UTF16PtrFromString(Enumerator)
if err != nil {
return
}
}
var _p1 *uint16
var machineNameUTF16 *uint16
if MachineName != "" {
_p1, err = syscall.UTF16PtrFromString(MachineName)
machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
if err != nil {
return
}
}
return setupDiGetClassDevsEx(ClassGUID, _p0, hwndParent, Flags, DeviceInfoSet, _p1, 0)
return setupDiGetClassDevsEx(ClassGUID, enumeratorUTF16, hwndParent, Flags, DeviceInfoSet, machineNameUTF16, 0)
}
// 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) (data *DevInfoListDetailData, err error) {
var _p0 _SP_DEVINFO_LIST_DETAIL_DATA
_p0.Size = uint32(unsafe.Sizeof(_p0))
var _data _SP_DEVINFO_LIST_DETAIL_DATA
_data.Size = uint32(unsafe.Sizeof(_data))
err = setupDiGetDeviceInfoListDetail(DeviceInfoSet, &_p0)
err = setupDiGetDeviceInfoListDetail(DeviceInfoSet, &_data)
if err != nil {
return
}
data = &DevInfoListDetailData{
ClassGUID: _p0.ClassGUID,
RemoteMachineHandle: _p0.RemoteMachineHandle,
RemoteMachineName: windows.UTF16ToString(_p0.RemoteMachineName[:]),
ClassGUID: _data.ClassGUID,
RemoteMachineHandle: _data.RemoteMachineHandle,
RemoteMachineName: windows.UTF16ToString(_data.RemoteMachineName[:]),
}
return
}
@ -134,29 +135,29 @@ func SetupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA
// SetupDiGetDeviceInstallParams function retrieves device installation parameters for a device information set or a particular device information element.
func SetupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA) (data *DevInstallParams, err error) {
var DeviceInstallParams _SP_DEVINSTALL_PARAMS
DeviceInstallParams.Size = uint32(unsafe.Sizeof(DeviceInstallParams))
var _data _SP_DEVINSTALL_PARAMS
_data.Size = uint32(unsafe.Sizeof(_data))
err = setupDiGetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &DeviceInstallParams)
err = setupDiGetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &_data)
if err != nil {
return
}
data = &DevInstallParams{
Flags: DeviceInstallParams.Flags,
FlagsEx: DeviceInstallParams.FlagsEx,
hwndParent: DeviceInstallParams.hwndParent,
InstallMsgHandler: DeviceInstallParams.InstallMsgHandler,
InstallMsgHandlerContext: DeviceInstallParams.InstallMsgHandlerContext,
FileQueue: DeviceInstallParams.FileQueue,
DriverPath: windows.UTF16ToString(DeviceInstallParams.DriverPath[:]),
Flags: _data.Flags,
FlagsEx: _data.FlagsEx,
hwndParent: _data.hwndParent,
InstallMsgHandler: _data.InstallMsgHandler,
InstallMsgHandlerContext: _data.InstallMsgHandlerContext,
FileQueue: _data.FileQueue,
DriverPath: windows.UTF16ToString(_data.DriverPath[:]),
}
return
}
// SetupDiSetDeviceInstallParams function sets device installation parameters for a device information set or a particular device information element.
func SetupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *DevInstallParams) (err error) {
data := _SP_DEVINSTALL_PARAMS{
_data := _SP_DEVINSTALL_PARAMS{
Flags: DeviceInstallParams.Flags,
FlagsEx: DeviceInstallParams.FlagsEx,
hwndParent: DeviceInstallParams.hwndParent,
@ -164,13 +165,13 @@ func SetupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEV
InstallMsgHandlerContext: DeviceInstallParams.InstallMsgHandlerContext,
FileQueue: DeviceInstallParams.FileQueue,
}
data.Size = uint32(unsafe.Sizeof(data))
_data.Size = uint32(unsafe.Sizeof(_data))
_p0, err := syscall.UTF16FromString(DeviceInstallParams.DriverPath)
driverPathUTF16, err := syscall.UTF16FromString(DeviceInstallParams.DriverPath)
if err != nil {
return
}
copy(data.DriverPath[:], _p0)
copy(_data.DriverPath[:], driverPathUTF16)
return setupDiSetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &data)
return setupDiSetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &_data)
}