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Finish support for setupapi.SetupDiGetClassDevsEx()

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman
2019-02-01 10:58:06 +01:00
committed by Jason A. Donenfeld
parent 31949136df
commit d41bc015cc
4 changed files with 110 additions and 29 deletions
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50
setupapi/setupapi_windows.go
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@@ -6,6 +6,8 @@
package setupapi
import (
"syscall"
"golang.org/x/sys/windows"
)
@@ -16,26 +18,42 @@ const (
type DIGCF uint32
const (
Default DIGCF = 0x00000001
Present DIGCF = 0x00000002
AllClasses DIGCF = 0x00000004
Profile DIGCF = 0x00000008
DeviceInterface DIGCF = 0x00000010
InterfaceDevice DIGCF = 0x00000010
DIGCF_DEFAULT DIGCF = 0x00000001 // only valid with DIGCF_DEVICEINTERFACE
DIGCF_PRESENT DIGCF = 0x00000002
DIGCF_ALLCLASSES DIGCF = 0x00000004
DIGCF_PROFILE DIGCF = 0x00000008
DIGCF_DEVICEINTERFACE DIGCF = 0x00000010
)
type DevInfo windows.Handle
//sys setupDiGetClassDevsEx(ClassGuid *windows.GUID, Enumerator *string, hwndParent uintptr, Flags uint32, DeviceInfoSet uintptr, MachineName string, reserved uint32) (handle windows.Handle, err error) = setupapi.SetupDiGetClassDevsExW
// The 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) (DevInfo, error) {
enumerator := &Enumerator
if Enumerator == "" {
enumerator = nil
// The SetupDiDestroyDeviceInfoList function deletes a device information set and frees all associated memory.
func (h DevInfo) Close() error {
if h != DevInfo(windows.InvalidHandle) {
return SetupDiDestroyDeviceInfoList(h)
}
h, err := setupDiGetClassDevsEx(ClassGuid, enumerator, hwndParent, uint32(Flags), uintptr(DeviceInfoSet), MachineName, 0)
return DevInfo(h), err
return nil
}
//sys setupDiGetClassDevsEx(ClassGuid *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiGetClassDevsExW
//sys SetupDiDestroyDeviceInfoList(DeviceInfoSet DevInfo) (err error) = setupapi.SetupDiDestroyDeviceInfoList
// The 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
if Enumerator != "" {
_p0, err = syscall.UTF16PtrFromString(Enumerator)
if err != nil {
return
}
}
var _p1 *uint16
if MachineName != "" {
_p1, err = syscall.UTF16PtrFromString(MachineName)
if err != nil {
return
}
}
return setupDiGetClassDevsEx(ClassGuid, _p0, hwndParent, Flags, DeviceInfoSet, _p1, 0)
}