[PATCH 1/2] dinput: Combine GUID checks into a single if/else block in hid_joystick_create_device().
Zebediah Figura
zfigura at codeweavers.com
Mon May 16 21:52:56 CDT 2022
I find this clearer, especially with respect to how device_path_guid is handled.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
dlls/dinput/joystick_hid.c | 33 ++++++++++++++++++---------------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/dlls/dinput/joystick_hid.c b/dlls/dinput/joystick_hid.c
index 5fdc563054b..e54d50f8bfa 100644
--- a/dlls/dinput/joystick_hid.c
+++ b/dlls/dinput/joystick_hid.c
@@ -2035,19 +2035,6 @@ HRESULT hid_joystick_create_device( struct dinput *dinput, const GUID *guid, IDi
TRACE( "dinput %p, guid %s, out %p\n", dinput, debugstr_guid( guid ), out );
*out = NULL;
- instance.guidProduct.Data1 = dinput_pidvid_guid.Data1;
- instance.guidInstance.Data1 = hid_joystick_guid.Data1;
- if (IsEqualGUID( &dinput_pidvid_guid, &instance.guidProduct ))
- instance.guidProduct = *guid;
- else if (IsEqualGUID( &hid_joystick_guid, &instance.guidInstance ))
- instance.guidInstance = *guid;
- else
- {
- instance.guidInstance.Data1 = device_path_guid.Data1;
- instance.guidInstance.Data2 = device_path_guid.Data2;
- instance.guidInstance.Data3 = device_path_guid.Data3;
- if (!IsEqualGUID( &device_path_guid, &instance.guidInstance )) return DIERR_DEVICENOTREG;
- }
if (!(impl = calloc( 1, sizeof(*impl) ))) return E_OUTOFMEMORY;
dinput_device_init( &impl->base, &hid_joystick_vtbl, guid, dinput );
@@ -2056,15 +2043,31 @@ HRESULT hid_joystick_create_device( struct dinput *dinput, const GUID *guid, IDi
impl->base.read_event = CreateEventW( NULL, TRUE, FALSE, NULL );
impl->internal_ref = 1;
- if (!IsEqualGUID( &device_path_guid, &instance.guidInstance ))
+ instance.guidProduct.Data1 = dinput_pidvid_guid.Data1;
+ instance.guidInstance.Data1 = hid_joystick_guid.Data1;
+ if (IsEqualGUID( &dinput_pidvid_guid, &instance.guidProduct ))
+ {
+ instance.guidProduct = *guid;
hr = hid_joystick_device_open( -1, &instance, impl->device_path, &impl->device, &impl->preparsed,
&attrs, &impl->caps, dinput->dwVersion );
- else
+ }
+ else if (IsEqualGUID( &hid_joystick_guid, &instance.guidInstance ))
+ {
+ instance.guidInstance = *guid;
+ hr = hid_joystick_device_open( -1, &instance, impl->device_path, &impl->device, &impl->preparsed,
+ &attrs, &impl->caps, dinput->dwVersion );
+ }
+ else if (!memcmp( &device_path_guid.Data4, instance.guidInstance.Data4, sizeof(device_path_guid.Data4) ))
{
wcscpy( impl->device_path, *(const WCHAR **)guid );
hr = hid_joystick_device_try_open( 0, impl->device_path, &impl->device, &impl->preparsed, &attrs,
&impl->caps, &instance, dinput->dwVersion );
}
+ else
+ {
+ hr = DIERR_DEVICENOTREG;
+ }
+
if (hr != DI_OK) goto failed;
impl->base.instance = instance;
--
2.35.1
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