xinput: Check that we actually received a value before assignment.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46999
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
stable
Alistair Leslie-Hughes 2019-04-24 00:58:15 +00:00 committed by Alexandre Julliard
parent 34d5f90db6
commit 72e62952db
1 changed files with 18 additions and 12 deletions

View File

@ -388,23 +388,29 @@ void HID_update_state(xinput_controller* device)
}
}
HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_X, &value, private->ppd, target_report, private->report_length);
device->state.Gamepad.sThumbLX = scale_short(value, &private->lx);
if(HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_X, &value,
private->ppd, target_report, private->report_length) == HIDP_STATUS_SUCCESS)
device->state.Gamepad.sThumbLX = scale_short(value, &private->lx);
HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Y, &value, private->ppd, target_report, private->report_length);
device->state.Gamepad.sThumbLY = -scale_short(value, &private->ly) - 1;
if(HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Y, &value,
private->ppd, target_report, private->report_length) == HIDP_STATUS_SUCCESS)
device->state.Gamepad.sThumbLY = -scale_short(value, &private->ly) - 1;
HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RX, &value, private->ppd, target_report, private->report_length);
device->state.Gamepad.sThumbRX = scale_short(value, &private->rx);
if(HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RX, &value,
private->ppd, target_report, private->report_length) == HIDP_STATUS_SUCCESS)
device->state.Gamepad.sThumbRX = scale_short(value, &private->rx);
HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RY, &value, private->ppd, target_report, private->report_length);
device->state.Gamepad.sThumbRY = -scale_short(value, &private->ry) - 1;
if(HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RY, &value,
private->ppd, target_report, private->report_length) == HIDP_STATUS_SUCCESS)
device->state.Gamepad.sThumbRY = -scale_short(value, &private->ry) - 1;
HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RZ, &value, private->ppd, target_report, private->report_length);
device->state.Gamepad.bRightTrigger = scale_byte(value, &private->rtrigger);
if(HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RZ, &value,
private->ppd, target_report, private->report_length) == HIDP_STATUS_SUCCESS)
device->state.Gamepad.bRightTrigger = scale_byte(value, &private->rtrigger);
HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Z, &value, private->ppd, target_report, private->report_length);
device->state.Gamepad.bLeftTrigger = scale_byte(value, &private->ltrigger);
if(HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Z, &value,
private->ppd, target_report, private->report_length) == HIDP_STATUS_SUCCESS)
device->state.Gamepad.bLeftTrigger = scale_byte(value, &private->ltrigger);
LeaveCriticalSection(&private->crit);
}