/usr/i686-w64-mingw32/include/ddk/stdunk.h is in mingw-w64-i686-dev 2.0.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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ReactOS Kernel-Mode COM
IUnknown implementations
This file is in the public domain.
AUTHORS
Andrew Greenwood
*/
#ifndef STDUNK_H
#define STDUNK_H
#include <punknown.h>
/* ===============================================================
INonDelegatingUnknown interface
*/
DECLARE_INTERFACE(INonDelegatingUnknown)
{
STDMETHOD_(NTSTATUS, NonDelegatingQueryInterface)( THIS_
IN REFIID,
OUT PVOID*) PURE;
STDMETHOD_(ULONG, NonDelegatingAddRef)( THIS ) PURE;
STDMETHOD_(ULONG, NonDelegatingRelease)( THIS ) PURE;
};
typedef INonDelegatingUnknown *PNONDELEGATINGUNKNOWN;
/* ===============================================================
CUnknown declaration / definition
There are 2 variants for this, and I'm not sure if the C
version is correct.
*/
#ifdef __cplusplus
class CUnknown : public INonDelegatingUnknown
{
private :
LONG m_ref_count;
PUNKNOWN m_outer_unknown;
public :
/* CUnknown */
CUnknown(PUNKNOWN pUnknownOuter);
virtual ~CUnknown();
PUNKNOWN GetOuterUnknown()
{ return m_outer_unknown; }
/* INonDelegatingUnknown */
STDMETHODIMP_(ULONG) NonDelegatingAddRef();
STDMETHODIMP_(ULONG) NonDelegatingRelease();
STDMETHODIMP_(NTSTATUS) NonDelegatingQueryInterface(
REFIID rIID,
PVOID* ppVoid);
};
#define DECLARE_STD_UNKNOWN() \
STDMETHODIMP_(NTSTATUS) NonDelegatingQueryInterface( \
REFIID iid, \
PVOID* ppvObject); \
\
STDMETHODIMP_(NTSTATUS) QueryInterface( \
REFIID riid, \
void** ppv) \
{ \
return GetOuterUnknown()->QueryInterface(riid, ppv); \
} \
\
STDMETHODIMP_(ULONG) AddRef() \
{ \
return GetOuterUnknown()->AddRef(); \
} \
\
STDMETHODIMP_(ULONG) Release() \
{ \
return GetOuterUnknown()->Release(); \
}
#define DEFINE_STD_CONSTRUCTOR(classname) \
classname(PUNKNOWN outer_unknown) \
: CUnknown(outer_unknown) \
{ }
#else /* Not C++ - this is probably very buggy... */
NTSTATUS
STDMETHODCALLTYPE
Unknown_QueryInterface(
IUnknown* this,
IN REFIID refiid,
OUT PVOID* output);
ULONG
STDMETHODCALLTYPE
Unknown_AddRef(
IUnknown* unknown_this);
ULONG
STDMETHODCALLTYPE
Unknown_Release(
IUnknown* unknown_this);
typedef struct CUnknown
{
__GNU_EXTENSION union
{
IUnknown IUnknown;
INonDelegatingUnknown INonDelegatingUnknown;
};
LONG m_ref_count;
PUNKNOWN m_outer_unknown;
} CUnknown;
#endif /* __cplusplus */
#ifdef __cplusplus
/* ===============================================================
Construction helpers
*/
#define QICAST(typename) \
PVOID( (typename) (this) )
#define QICASTUNKNOWN(typename) \
PVOID( PUNKNOWN( (typename) (this) ) )
#define STD_CREATE_BODY_WITH_TAG_(classname, unknown, outer_unknown, pool_type, tag, base) \
classname *new_ptr = new(pool_type, tag) classname(outer_unknown); \
\
if ( ! new_ptr ) \
return STATUS_INSUFFICIENT_RESOURCES; \
\
*unknown = PUNKNOWN((base)(new_ptr)); \
(*unknown)->AddRef(); \
return STATUS_SUCCESS
#define STD_CREATE_BODY_WITH_TAG(classname, unknown, outer_unknown, pool_type, tag, base) \
STD_CREATE_BODY_WITH_TAG_(classname, unknown, outer_unknown, pool_type, tag, PUNKNOWN)
#define STD_CREATE_BODY_(classname, unknown, outer_unknown, pool_type, base) \
STD_CREATE_BODY_WITH_TAG_(classname, unknown, outer_unknown, pool_type, 'rCcP', base)
#define STD_CREATE_BODY(classname, unknown, outer_unknown, pool_type) \
STD_CREATE_BODY_(classname, unknown, outer_unknown, pool_type, PUNKNOWN)
/* ===============================================================
Custom "new" and "delete" C++ operators
*/
#ifndef _NEW_DELETE_OPERATORS_
#define _NEW_DELETE_OPERATORS_
inline PVOID
KCOM_New(
size_t size,
POOL_TYPE pool_type,
ULONG tag)
{
PVOID result;
result = ExAllocatePoolWithTag(pool_type, size, tag);
if ( result )
RtlZeroMemory(result, size);
return result;
}
inline PVOID
operator new (
size_t size,
POOL_TYPE pool_type)
{
return KCOM_New(size, pool_type, 'wNcP');
}
inline PVOID
operator new (
size_t size,
POOL_TYPE pool_type,
ULONG tag)
{
return KCOM_New(size, pool_type, tag);
}
inline void __cdecl
operator delete(
PVOID ptr)
{
ExFreePool(ptr);
}
#endif /* ALLOCATION_OPERATORS_DEFINED */
#else /* Being compiled with C */
#endif /* __cplusplus */
#endif /* include guard */
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