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/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#ifndef _MSPENUM_H_
#define _MSPENUM_H_
#ifdef __cplusplus
template <class Base,const IID *piid,class T,class Copy,class ThreadModel = CComObjectThreadModel>
class ATL_NO_VTABLE CSafeComEnum : public CComEnumImpl<Base,piid,T,Copy>,public CComObjectRootEx< ThreadModel >
{
typedef CSafeComEnum<Base,piid,T,Copy,ThreadModel> ThisClass;
typedef CComEnumImpl<Base,piid,T,Copy> BaseClass;
STDMETHOD(Next)(ULONG celt,T *rgelt,ULONG *pceltFetched) {
if(IsBadWritePtr(rgelt,celt *sizeof(T))) return E_POINTER;
if((pceltFetched!=NULL) && IsBadWritePtr(pceltFetched,sizeof(ULONG))) return E_POINTER;
return BaseClass::Next(celt,rgelt,pceltFetched);
}
STDMETHOD(Clone)(Base **ppEnum) {
if(IsBadWritePtr(ppEnum,sizeof(Base *))) return E_POINTER;
return BaseClass::Clone(ppEnum);
}
BEGIN_COM_MAP(ThisClass)
COM_INTERFACE_ENTRY_IID(*piid,BaseClass)
COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal,m_pFTM)
END_COM_MAP()
DECLARE_GET_CONTROLLING_UNKNOWN()
HRESULT Init(T *begin,T *end,IUnknown *pUnk,CComEnumFlags flags = AtlFlagNoCopy) {
HRESULT hr;
IUnknown *pIU = GetControllingUnknown();
hr = CoCreateFreeThreadedMarshaler(pIU,& m_pFTM);
if(FAILED(hr)) return hr;
return BaseClass::Init(begin,end,pUnk,flags);
}
CSafeComEnum() { m_pFTM = NULL; }
void FinalRelease(void) {
if(m_pFTM) {
m_pFTM->Release();
}
CComObjectRootEx< ThreadModel >::FinalRelease();
}
protected:
IUnknown *m_pFTM;
};
#endif /* __cplusplus */
#endif
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