C++ (Cpp) FIOReference Beispiele

Beispiel #1

Datei: FileIoHelperClass.cpp Projekt: orangee22/BoB4_Assignment

/**----------------------------------------------------------------------------
\brief

\param
\return
\code

\endcode
-----------------------------------------------------------------------------*/
DTSTATUS
FileIoHelper::FIOWriteToFile(
IN LARGE_INTEGER Offset,
IN DWORD Size,
IN PUCHAR Buffer
)
{
	_ASSERTE(NULL != Buffer);
	_ASSERTE(0 != Size);
	_ASSERTE(NULL != Buffer);
	if (NULL == Buffer || 0 == Size || NULL == Buffer) return DTS_INVALID_PARAMETER;

	UCHAR* p = NULL;
	DTSTATUS status = FIOReference(FALSE, Offset, Size, p);
	if (TRUE != DT_SUCCEEDED(status))
	{
			return status;
	}

	__try
	{
		RtlCopyMemory(p, Buffer, Size);
	}
	__except (EXCEPTION_EXECUTE_HANDLER)
	{
			status = DTS_EXCEPTION_RAISED;
	}

	FIOUnreference();
	return status;
}

Beispiel #2

Datei: FileIoHelperClass.cpp Projekt: Bobjeongmin/HW_2

/**----------------------------------------------------------------------------
\brief
\param
\return
\code
\endcode
-----------------------------------------------------------------------------*/
DTSTATUS
FileIoHelper::FIOReadFromFile(
IN LARGE_INTEGER Offset,
IN DWORD Size,
IN OUT PUCHAR Buffer
)
{
	_ASSERTE(NULL != Buffer);
	if (NULL == Buffer) return DTS_INVALID_PARAMETER;

	UCHAR* p = NULL;
	DTSTATUS status = FIOReference(TRUE, Offset, Size, p);
	if (TRUE != DT_SUCCEEDED(status))
	{
		printf("FIOReference() failed. status=0x%08x", status);
		return status;
	}

	__try
	{
		RtlCopyMemory(Buffer, p, Size);
	}
	__except (EXCEPTION_EXECUTE_HANDLER)
	{
		printf("exception. code=0x%08x", GetExceptionCode());
		status = DTS_EXCEPTION_RAISED;
	}

	FIOUnreference();
	return status;
}