/* Copyright (C) 2021 Open Information Security Foundation

 *

 * You can copy, redistribute or modify this Program under the terms of

 * the GNU General Public License version 2 as published by the Free

 * Software Foundation.

 *

 * 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

 * version 2 along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 */

#include "suricata-common.h"

#include "util-datalink.h"

#include "decode.h"

int g_datalink_value = LINKTYPE_NULL;

int g_datalink_is_multiple = 0;

void DatalinkSetGlobalType(int datalink)

{

    if (g_datalink_value != LINKTYPE_NULL) {

        if (datalink != g_datalink_value) {

            g_datalink_is_multiple = 1;

        }

    } else {

        g_datalink_value = datalink;

    }

}

inline int DatalinkGetGlobalType(void)

{

    return g_datalink_value;

}

bool DatalinkHasMultipleValues(void)

{

    return g_datalink_is_multiple == 1;

}