Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// File: verify.hxx
//
// Synopsis: Various verification functions
//
// History: 28-Jun-95 MikeW Created
//
//--------------------------------------------------------------------------
#ifndef _VERIFY_HXX_
#define _VERIFY_HXX_
//
// BOGUS_INTERFACE is a non-NULL pointer but illegal that can be used to
// initialize interface pointers. It is useful for checking to see if a call
// properly set the out param to NULL on an error
//
#define BOGUS_INTERFACE ((IUnknown *) 1)
//
// Misc. prototypes
//
void ReleaseInterface(LPUNKNOWN *ppUnknown);HRESULT GetInterface(IUnknown *pObject, REFIID riid, PVOID *ppInterface); HRESULT VerifyResult(HRESULT hrCheck, HRESULT hrExpected);BOOL VerifyInterfaceExists(IUnknown *pObject, IID iid);BOOL VerifyInterfaceDoesntExist(IUnknown *pObject, IID iid);BOOL VerifyObjectIdentity(IUnknown *pObject, IID iid);HRESULT VerifyResultAndPointer( HRESULT hrCheck, HRESULT hrExpected, void *pUnknown);
#endif // _VERIFY_HXX_
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