dinput: Convert keyboard buffer from internal data format to user data format.

dlls/dinput/keyboard.c

@@ -270,7 +270,7 @@ static HRESULT WINAPI SysKeyboardAImpl_GetDeviceState(
 
     if (!This->base.acquired) return DIERR_NOTACQUIRED;
 
-    if (len != WINE_DINPUT_KEYBOARD_MAX_KEYS)
+    if (len != This->base.data_format.user_df->dwDataSize )
         return DIERR_INVALIDPARAM;
 
     EnterCriticalSection(&This->base.crit);
@@ -283,7 +283,7 @@ static HRESULT WINAPI SysKeyboardAImpl_GetDeviceState(
 	}
     }
 
-    memcpy(ptr, This->DInputKeyState, WINE_DINPUT_KEYBOARD_MAX_KEYS);
+    fill_DataFormat(ptr, This->DInputKeyState, &This->base.data_format);
     LeaveCriticalSection(&This->base.crit);
 
     return DI_OK;

dlls/dinput/tests/keyboard.c

@@ -116,13 +116,10 @@ static void acquire_tests(LPDIRECTINPUT pDI, HWND hwnd)
     ok(SUCCEEDED(hr), "IDirectInputDevice_SetDataFormat() failed: %s\n", DXGetErrorString8(hr));
     hr = IDirectInputDevice_Acquire(pKeyboard);
     ok(SUCCEEDED(hr), "IDirectInputDevice_Acquire() failed: %s\n", DXGetErrorString8(hr));
-    todo_wine
-        {
     hr = IDirectInputDevice_GetDeviceState(pKeyboard, sizeof(custom_state), custom_state);
     ok(SUCCEEDED(hr), "IDirectInputDevice_GetDeviceState(4,) failed: %s\n", DXGetErrorString8(hr));
     hr = IDirectInputDevice_GetDeviceState(pKeyboard, sizeof(kbd_state), kbd_state);
     ok(hr == DIERR_INVALIDPARAM, "IDirectInputDevice_GetDeviceState(256,) should have failed: %s\n", DXGetErrorString8(hr));
-        }
 
     if (pKeyboard) IUnknown_Release(pKeyboard);
 }