C++/Get Mac Address

BOOL GetMacAddress(CStringArray& strMacArray, CString strSpecifiedIP)
{
	PIP_ADAPTER_INFO pAdapterInfo;
	PIP_ADAPTER_INFO pAdapter = NULL;
	DWORD dwRetVal = 0;

ULONG ulOutBufLen = sizeof (IP_ADAPTER_INFO);
	pAdapterInfo = new IP_ADAPTER_INFO[ulOutBufLen];

if (pAdapterInfo == NULL)
		return FALSE;

if (GetAdaptersInfo(pAdapterInfo, &ulOutBufLen) == ERROR_BUFFER_OVERFLOW)
	{
		delete pAdapterInfo;
		pAdapterInfo = new IP_ADAPTER_INFO[ulOutBufLen];
		if (pAdapterInfo == NULL)
			return FALSE;
	}

if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) == NO_ERROR)
	{
		pAdapter = pAdapterInfo;
		while (pAdapter)
		{
			CStringA strMacAddress;
			strMacAddress.Format("%02X:%02X:%02X:%02X:%02X:%02X",
				pAdapter->Address[0],
				pAdapter->Address[1],
				pAdapter->Address[2],
				pAdapter->Address[3],
				pAdapter->Address[4],
				pAdapter->Address[5]);

CStringA strIPAddress;
			strIPAddress.Format("%s", pAdapter->IpAddressList.IpAddress.String);

if(strSpecifiedIP.GetLength() > 0)
			{
				if(strIPAddress.Find(CT2A(strSpecifiedIP)) >= 0)
				{
					strMacArray.Add(CA2T(strMacAddress));
					break;
				}
			}
			else
				strMacArray.Add(CA2T(strMacAddress));

pAdapter = pAdapter->Next;
		}
	}

delete pAdapterInfo;
	pAdapterInfo = NULL;
	return TRUE;
}

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