// IUnknown methods
STDMETHODIMP QueryInterface(REFIID riid, void **ppv)
{
- if( (NULL != ppv)
- && (IID_IUnknown == riid)
- && (IID_IPersist == riid)
- && (IID_IPersistStreamInit == riid) ) {
+ if( NULL == ppv )
+ return E_POINTER;
+ if( (IID_IUnknown == riid)
+ || (IID_IPersist == riid)
+ || (IID_IPersistStreamInit == riid) )
+ {
AddRef();
*ppv = reinterpret_cast<LPVOID>(this);
return NOERROR;
};
#endif
-