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Fix some error checking for DireactDrawCreate and DireactDrawCreateEx, we checking if the param is right or not.

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svn path=/trunk/; revision=17206
This commit is contained in:
Magnus Olsen 2005-08-08 15:41:02 +00:00
parent a3abeb83af
commit 079265d1a7
1 changed files with 23 additions and 8 deletions
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31
reactos/lib/ddraw/main.c
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@ -15,10 +15,7 @@
HRESULT WINAPI Create_DirectDraw (LPGUID pGUID, LPDIRECTDRAW* pIface,
IUnknown* pUnkOuter, BOOL ex)
{
if (pUnkOuter!=NULL)
return DDERR_INVALIDPARAMS;
{
IDirectDrawImpl* This = (IDirectDrawImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
if (This == NULL)
@ -32,15 +29,33 @@ HRESULT WINAPI Create_DirectDraw (LPGUID pGUID, LPDIRECTDRAW* pIface,
}
HRESULT WINAPI DirectDrawCreate (LPGUID lpGUID, LPDIRECTDRAW* lplpDD, LPUNKNOWN pUnkOuter)
{
{
/* check see if pUnkOuter is null or not */
if (!pUnkOuter)
{
/* we do not use same error code as MS, ms use 0x8004110 */
return DDERR_INVALIDPARAMS;
}
return Create_DirectDraw (lpGUID, lplpDD, pUnkOuter, FALSE);
}
HRESULT WINAPI DirectDrawCreateEx(LPGUID lpGUID, LPVOID* lplpDD, REFIID iid, LPUNKNOWN pUnkOuter)
{
if (!IsEqualGUID(iid, &IID_IDirectDraw7))
return DDERR_INVALIDPARAMS;
{
/* check see if pUnkOuter is null or not */
if (!pUnkOuter)
{
/* we do not use same error code as MS, ms use 0x8004110 */
return DDERR_INVALIDPARAMS;
}
/* Is it a DirectDraw 7 Request or not */
if (!IsEqualGUID(iid, &IID_IDirectDraw7))
{
return DDERR_INVALIDPARAMS;
}
return Create_DirectDraw (lpGUID, (LPDIRECTDRAW*)lplpDD, pUnkOuter, TRUE);
}