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input: Add a check on the argument

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This commit is contained in:
Emmanuele Bassi 2012-03-01 15:11:59 +00:00
parent 23e8e43d66
commit 251d3b545e
1 changed files with 4 additions and 1 deletions
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5
clutter/clutter-input-device.c
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@ -1421,9 +1421,10 @@ _clutter_input_device_select_stage_events (ClutterInputDevice *device,
* equivalent evdev keycode. Note that depending on the input backend * equivalent evdev keycode. Note that depending on the input backend
* used by Clutter this function can fail if there is no obvious * used by Clutter this function can fail if there is no obvious
* mapping between the key codes. The hardware keycode can be taken * mapping between the key codes. The hardware keycode can be taken
* from the hardware_keycode member of #ClutterKeyEvent. * from the #ClutterKeyEvent.hardware_keycode member of #ClutterKeyEvent.
* *
* Return value: %TRUE if the conversion succeeded, %FALSE otherwise. * Return value: %TRUE if the conversion succeeded, %FALSE otherwise.
*
* Since: 1.10 * Since: 1.10
*/ */
gboolean gboolean
@ -1433,6 +1434,8 @@ clutter_input_device_keycode_to_evdev (ClutterInputDevice *device,
{ {
ClutterInputDeviceClass *device_class; ClutterInputDeviceClass *device_class;
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), FALSE);
device_class = CLUTTER_INPUT_DEVICE_GET_CLASS (device); device_class = CLUTTER_INPUT_DEVICE_GET_CLASS (device);
if (device_class->keycode_to_evdev == NULL) if (device_class->keycode_to_evdev == NULL)
return FALSE; return FALSE;