Add support for setupapi.setupDiCreateDeviceInfoListEx()

Signed-off-by: Simon Rozman <simon@rozman.si>

3 files changed, 50 insertions, 0 deletions

diff --git a/setupapi/setupapi_windows.go b/setupapi/setupapi_windows.go
index f6b35d2..c08a37a 100644
--- a/setupapi/setupapi_windows.go
+++ b/setupapi/setupapi_windows.go
@@ -15,6 +15,7 @@ import (
 
 //sys	setupDiClassNameFromGuidEx(ClassGUID *windows.GUID, ClassName *uint16, ClassNameSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassNameFromGuidExW
 //sys	setupDiClassGuidsFromNameEx(ClassName *uint16, ClassGuidList *windows.GUID, ClassGuidListSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassGuidsFromNameExW
+//sys	setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiCreateDeviceInfoListExW
 //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
 //sys	setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailData *_SP_DEVINFO_LIST_DETAIL_DATA) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW
@@ -84,6 +85,18 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui
 	return
 }
 
+// SetupDiCreateDeviceInfoListEx function creates an empty device information set on a remote or a local computer and optionally associates the set with a device setup class.
+func SetupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName string) (handle DevInfo, err error) {
+	var machineNameUTF16 *uint16
+	if MachineName != "" {
+		machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
+		if err != nil {
+			return
+		}
+	}
+	return setupDiCreateDeviceInfoListEx(ClassGUID, hwndParent, machineNameUTF16, 0)
+}
+
 // 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 enumeratorUTF16 *uint16
diff --git a/setupapi/setupapi_windows_test.go b/setupapi/setupapi_windows_test.go
index 17d6d8e..c99da6f 100644
--- a/setupapi/setupapi_windows_test.go
+++ b/setupapi/setupapi_windows_test.go
@@ -70,6 +70,29 @@ func TestSetupDiClassGuidsFromNameEx(t *testing.T) {
 	}
 }
 
+func TestSetupDiCreateDeviceInfoListEx(t *testing.T) {
+	devInfoList, err := SetupDiCreateDeviceInfoListEx(&deviceClassNetGUID, 0, "")
+	if err == nil {
+		devInfoList.Close()
+	} else {
+		t.Errorf("Error calling SetupDiCreateDeviceInfoListEx: %s", err.Error())
+	}
+
+	devInfoList, err = SetupDiCreateDeviceInfoListEx(&deviceClassNetGUID, 0, computerName)
+	if err == nil {
+		devInfoList.Close()
+	} else {
+		t.Errorf("Error calling SetupDiCreateDeviceInfoListEx: %s", err.Error())
+	}
+
+	devInfoList, err = SetupDiCreateDeviceInfoListEx(nil, 0, "")
+	if err == nil {
+		devInfoList.Close()
+	} else {
+		t.Errorf("Error calling SetupDiCreateDeviceInfoListEx(nil): %s", err.Error())
+	}
+}
+
 func TestSetupDiGetClassDevsEx(t *testing.T) {
 	devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "PCI", 0, DIGCF_PRESENT, DevInfo(0), computerName)
 	if err == nil {
diff --git a/setupapi/zsetupapi_windows.go b/setupapi/zsetupapi_windows.go
index 324749f..a242bc8 100644
--- a/setupapi/zsetupapi_windows.go
+++ b/setupapi/zsetupapi_windows.go
@@ -41,6 +41,7 @@ var (
 
 	procSetupDiClassNameFromGuidExW     = modsetupapi.NewProc("SetupDiClassNameFromGuidExW")
 	procSetupDiClassGuidsFromNameExW    = modsetupapi.NewProc("SetupDiClassGuidsFromNameExW")
+	procSetupDiCreateDeviceInfoListExW  = modsetupapi.NewProc("SetupDiCreateDeviceInfoListExW")
 	procSetupDiGetClassDevsExW          = modsetupapi.NewProc("SetupDiGetClassDevsExW")
 	procSetupDiDestroyDeviceInfoList    = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList")
 	procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW")
@@ -77,6 +78,19 @@ func setupDiClassGuidsFromNameEx(ClassName *uint16, ClassGuidList *windows.GUID,
 	return
 }
 
+func setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) {
+	r0, _, e1 := syscall.Syscall6(procSetupDiCreateDeviceInfoListExW.Addr(), 4, uintptr(unsafe.Pointer(ClassGUID)), uintptr(hwndParent), uintptr(unsafe.Pointer(MachineName)), uintptr(Reserved), 0, 0)
+	handle = DevInfo(r0)
+	if handle == DevInfo(windows.InvalidHandle) {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
 func setupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) {
 	r0, _, e1 := syscall.Syscall9(procSetupDiGetClassDevsExW.Addr(), 7, uintptr(unsafe.Pointer(ClassGUID)), uintptr(unsafe.Pointer(Enumerator)), uintptr(hwndParent), uintptr(Flags), uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(MachineName)), uintptr(reserved), 0, 0)
 	handle = DevInfo(r0)