Someone

/* PRBool recv (out ACString data, in long maxLen); */
NS_IMETHODIMP sampUDPSocket::Recv(nsACString & data, PRInt32 maxLen, PRBool *_retval)
{
	char *buffer = new char[maxLen];
	int recvLen = m_UDPSock.Recv(buffer, maxLen, 100);

	if (recvLen == -1) 
	{
		*_retval = false;
		data.Assign("");
	}
	else
	{
		*_retval = true;

		if (recvLen == 0)
			data.Assign("");
		else
			data.Assign(buffer, recvLen);
	}
	
	/*
    const char* charData;
    PRUint32 dataLen = NS_CStringGetData(data, &charData);
	*/

	delete[] buffer;

	*_retval = false;

    return NS_OK;
}