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fixed partly linking with other directdraw interface, but we still overwrite some member and crash it, when we doing a link.

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svn path=/trunk/; revision=25016
This commit is contained in:
Magnus Olsen 2006-12-02 13:37:55 +00:00
parent 1c4a115ec0
commit a709c01ca8
1 changed files with 24 additions and 7 deletions
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31
reactos/dll/directx/ddraw/startup.c
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@ -879,20 +879,37 @@ Create_DirectDraw (LPGUID pGUID,
LPDIRECTDRAW* pIface,
REFIID id,
BOOL ex)
{
LPDDRAWI_DIRECTDRAW_INT This;
{
LPDDRAWI_DIRECTDRAW_INT This = (LPDDRAWI_DIRECTDRAW_INT)*pIface;
DX_WINDBG_trace();
if (!IsEqualGUID(&IID_IDirectDraw7, id))
{
return DDERR_INVALIDDIRECTDRAWGUID;
}
This = DxHeapMemAlloc(sizeof(DDRAWI_DIRECTDRAW_INT));
if (This == NULL)
if (This == NULL)
{
return DDERR_OUTOFMEMORY;
/* We do not have any DirectDraw interface alloc */
This = DxHeapMemAlloc(sizeof(DDRAWI_DIRECTDRAW_INT));
if (This == NULL)
{
return DDERR_OUTOFMEMORY;
}
}
else
{
/* We got the DirectDraw interface alloc and we need create the link */
LPDDRAWI_DIRECTDRAW_INT newThis;
newThis = DxHeapMemAlloc(sizeof(DDRAWI_DIRECTDRAW_INT));
if (newThis == NULL)
{
return DDERR_OUTOFMEMORY;
}
newThis->lpLink = This;
This = newThis;
}
This->lpLcl = DxHeapMemAlloc(sizeof(DDRAWI_DIRECTDRAW_INT));