DataPacket.cpp

/*
 * DataPacket.cpp
 * Copyright (C) 2013  Emil Penchev, Bulgaria
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 *  Created on: Jan 21, 2013
 *      Author: emo
 */

#include "DataPacket.h"
#include <cstring>

namespace blitz {

DataPacket::DataPacket() : m_used_bytes(0)
{
    clear();
}

void* DataPacket::data(void)
{
    return (void *)m_data;
}

void DataPacket::clear(void)
{
    memset(m_data, 0, sizeof(max_size));
}

int DataPacket::size(void) const
{
    return m_used_bytes;
}

void DataPacket::size(int bytes)
{
    if (bytes > max_size)
        m_used_bytes = max_size; // discard some bytes possible overflow error
    else
        m_used_bytes = bytes;
}


} // blitz