dinput: Allocate the dinput_device structure in the caller to dinput_device_alloc().

Rename it to dinput_device_init() accordingly.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/dinput/device.c

@@ -2144,13 +2144,9 @@ static const IDirectInputDevice8WVtbl dinput_device_w_vtbl =
     dinput_device_GetImageInfo,
 };
 
-HRESULT dinput_device_alloc( SIZE_T size, const struct dinput_device_vtbl *vtbl, const GUID *guid,
+void dinput_device_init( struct dinput_device *device, const struct dinput_device_vtbl *vtbl,
-                             struct dinput *dinput, void **out )
+                         const GUID *guid, struct dinput *dinput )
 {
-    struct dinput_device *device;
-
-    if (!(device = calloc( 1, size ))) return DIERR_OUTOFMEMORY;
-
     device->IDirectInputDevice8A_iface.lpVtbl = &dinput_device_a_vtbl;
     device->IDirectInputDevice8W_iface.lpVtbl = &dinput_device_w_vtbl;
     device->ref = 1;
@@ -2164,9 +2160,6 @@ HRESULT dinput_device_alloc( SIZE_T size, const struct dinput_device_vtbl *vtbl,
     device->dinput = dinput;
     IDirectInput_AddRef( &dinput->IDirectInput7A_iface );
     device->vtbl = vtbl;
-
-    *out = device;
-    return DI_OK;
 }
 
 static const GUID *object_instance_guid( const DIDEVICEOBJECTINSTANCEW *instance )

dlls/dinput/device_private.h

@@ -123,8 +123,8 @@ struct dinput_device
     struct object_properties *object_properties;
 };
 
-extern HRESULT dinput_device_alloc( SIZE_T size, const struct dinput_device_vtbl *vtbl, const GUID *guid,
+extern void dinput_device_init( struct dinput_device *device, const struct dinput_device_vtbl *vtbl,
-                                    struct dinput *dinput, void **out ) DECLSPEC_HIDDEN;
+                                const GUID *guid, struct dinput *dinput );
 extern HRESULT dinput_device_init_device_format( IDirectInputDevice8W *iface );
 extern void dinput_device_destroy( IDirectInputDevice8W *iface );
 

dlls/dinput/joystick_hid.c

@@ -2049,8 +2049,8 @@ HRESULT hid_joystick_create_device( struct dinput *dinput, const GUID *guid, IDi
         if (!IsEqualGUID( &device_path_guid, &instance.guidInstance )) return DIERR_DEVICENOTREG;
     }
 
-    hr = dinput_device_alloc( sizeof(struct hid_joystick), &hid_joystick_vtbl, guid, dinput, (void **)&impl );
+    if (!(impl = calloc( 1, sizeof(*impl) ))) return E_OUTOFMEMORY;
-    if (FAILED(hr)) return hr;
+    dinput_device_init( &impl->base, &hid_joystick_vtbl, guid, dinput );
     impl->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": hid_joystick.base.crit");
     impl->base.dwCoopLevel = DISCL_NONEXCLUSIVE | DISCL_BACKGROUND;
     impl->base.read_event = CreateEventW( NULL, TRUE, FALSE, NULL );

dlls/dinput/keyboard.c

@@ -167,15 +167,14 @@ HRESULT keyboard_enum_device( DWORD type, DWORD flags, DIDEVICEINSTANCEW *instan
 HRESULT keyboard_create_device( struct dinput *dinput, const GUID *guid, IDirectInputDevice8W **out )
 {
     struct keyboard *impl;
-    HRESULT hr;
 
     TRACE( "dinput %p, guid %s, out %p.\n", dinput, debugstr_guid( guid ), out );
 
     *out = NULL;
     if (!IsEqualGUID( &GUID_SysKeyboard, guid )) return DIERR_DEVICENOTREG;
 
-    if (FAILED(hr = dinput_device_alloc( sizeof(struct keyboard), &keyboard_vtbl, guid, dinput, (void **)&impl )))
+    if (!(impl = calloc( 1, sizeof(*impl) ))) return E_OUTOFMEMORY;
-        return hr;
+    dinput_device_init( &impl->base, &keyboard_vtbl, guid, dinput );
     impl->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": struct keyboard*->base.crit");
 
     keyboard_enum_device( 0, 0, &impl->base.instance, dinput->dwVersion );

dlls/dinput/mouse.c

@@ -96,15 +96,14 @@ HRESULT mouse_create_device( struct dinput *dinput, const GUID *guid, IDirectInp
     struct mouse *impl;
     HKEY hkey, appkey;
     WCHAR buffer[20];
-    HRESULT hr;
 
     TRACE( "dinput %p, guid %s, out %p\n", dinput, debugstr_guid( guid ), out );
 
     *out = NULL;
     if (!IsEqualGUID( &GUID_SysMouse, guid )) return DIERR_DEVICENOTREG;
 
-    if (FAILED(hr = dinput_device_alloc( sizeof(struct mouse), &mouse_vtbl, guid, dinput, (void **)&impl )))
+    if (!(impl = calloc( 1, sizeof(*impl) ))) return E_OUTOFMEMORY;
-        return hr;
+    dinput_device_init( &impl->base, &mouse_vtbl, guid, dinput );
     impl->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": struct mouse*->base.crit");
 
     mouse_enum_device( 0, 0, &impl->base.instance, dinput->dwVersion );