Leaked source code of windows server 2003
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/*++
Copyright (c) 1998-2000 Microsoft Corporation
Module Name:
drobject
Abstract:
This module defines the common parent for all client-side
RDP device redirection classes, DrObject.
Author:
Tad Brockway 3/23/99
Revision History:
--*/
#ifndef __DROBJ_H__
#define __DROBJ_H__
#include "drdbg.h"
#include "atrcapi.h"
///////////////////////////////////////////////////////////////
//
// DrObject
//
//
class DrObject
{
private:
BOOL _isValid;
protected:
//
// Remember if this instance is valid.
//
VOID SetValid(BOOL set) { _isValid = set; }
public:
//
// Mark an instance as allocated or bogus.
//
#if DBG
ULONG _magicNo;
#endif
//
// Constructor/Destructor
//
DrObject() : _isValid(TRUE)
{
DC_BEGIN_FN("DrObject::DrObject");
#if DBG
_magicNo = GOODMEMMAGICNUMBER;
#endif
DC_END_FN();
}
virtual ~DrObject()
{
DC_BEGIN_FN("DrObject::~DrObject");
#if DBG
ASSERT(_magicNo == GOODMEMMAGICNUMBER);
memset(&_magicNo, DRBADMEM, sizeof(_magicNo));
#endif
DC_END_FN();
}
//
// Return whether this class instance is valid.
//
virtual BOOL IsValid()
{
DC_BEGIN_FN("DrObject::IsValid");
ASSERT(_magicNo == GOODMEMMAGICNUMBER);
DC_END_FN();
return _isValid;
}
//
// Memory Management Operators
//
inline void *__cdecl operator new(size_t sz, DWORD tag=DROBJECT_TAG)
{
void *ptr = LocalAlloc(LPTR, sz);
return ptr;
}
inline void __cdecl operator delete(void *ptr)
{
LocalFree(ptr);
}
//
// Return the class name.
//
virtual DRSTRING ClassName() = 0;
};
#endif