new和delete符重载

#include <ntddk.h>

void Unload(IN PDRIVER_OBJECT DriverObject);

#ifdef __cplusplus
extern "C" NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING  RegistryPath);
#endif

//全局new操作符
void * __cdecl operator new (size_t size,POOL_TYPE PoolType=PagedPool)
{
	return ExAllocatePool(PoolType,size);
}

//全局delete操作符
void __cdecl operator delete (void* pointer)
{
	ExFreePool(pointer);
}

class Test
{
public:
	//构造函数
	Test(){DbgPrint("test构造函数执行中\n");}
	//析构函数
	~Test(){DbgPrint("~test析构函数执行中\n");}

	//类中的new操作符
	void * operator new (size_t size,POOL_TYPE PoolType=PagedPool)
	{
		return ExAllocatePool(PoolType,size);
	}

	//类中的delete操作符
	void operator delete (void *pointer)
	{
		ExFreePool(pointer);
	}
	

private:
	char	buffer[1024];

};

NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING  RegistryPath)
{
	unsigned i;
	DbgPrint("Hello from 1!\n");
	DriverObject->DriverUnload =Unload;

#if DBG
	_asm int 3
#endif

	Test *p=new Test;
	delete p;

	p=new(NonPagedPool) Test;
	delete p;

	char *pBuffer=new(PagedPool) char[100];
	delete []pBuffer;

	pBuffer=new(NonPagedPool) char[100];
	delete []pBuffer;

	return STATUS_SUCCESS;
}

void Unload(IN PDRIVER_OBJECT DriverObject)
{
	DbgPrint("Goodbye from 1!\n");
}