overlapped.cpp

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#include "overlapped.h"

DWORD COverlapped::ResetBuffer()
{
	if (!m_dwEntryPosition)
		goto lb_return;

	memcpy(m_pBuffer,m_pBuffer+m_dwEntryPosition,m_dwExistPacketSize);
	m_dwEntryPosition = 0;

lb_return:
	return (m_dwMaxBufferSize - (m_dwEntryPosition + m_dwExistPacketSize));
	
}