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ddraw: Don't crash if writing out a new ddraw4 surface segfaults. 

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alex Henrie 2017-01-28 15:34:05 -07:00 committed by Alexandre Julliard
parent f6997e8fe0
commit 1850ac5770
2 changed files with 18 additions and 8 deletions
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24
dlls/ddraw/ddraw.c
View File

@ -2868,15 +2868,23 @@ static HRESULT WINAPI ddraw4_CreateSurface(IDirectDraw4 *iface,
hr = ddraw_surface_create(ddraw, surface_desc, &impl, outer_unknown, 4);
wined3d_mutex_unlock();
if (FAILED(hr))
{
*surface = NULL;
return hr;
}
*surface = &impl->IDirectDrawSurface4_iface;
IDirectDraw4_AddRef(iface);
impl->ifaceToRelease = (IUnknown *)iface;
__TRY
{
if (FAILED(hr))
{
*surface = NULL;
break;
}
*surface = &impl->IDirectDrawSurface4_iface;
IDirectDraw4_AddRef(iface);
impl->ifaceToRelease = (IUnknown *)iface;
}
__EXCEPT_PAGE_FAULT
{
hr = E_INVALIDARG;
}
__ENDTRY;
return hr;
}

2
dlls/ddraw/tests/ddraw4.c
View File

@ -2267,6 +2267,8 @@ static void test_surface_qi(void)
surface_desc.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
surface_desc.dwWidth = 512;
surface_desc.dwHeight = 512;
hr = IDirectDraw4_CreateSurface(ddraw, &surface_desc, (IDirectDrawSurface4 **)0xdeadbeef, NULL);
ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
hr = IDirectDraw4_CreateSurface(ddraw, &surface_desc, &surface, NULL);
ok(SUCCEEDED(hr), "Failed to create surface, hr %#x.\n", hr);