Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxcrypto.h"

​

/******************************************************************************

 *                                                                            *

 * Purpose: Converts unsigned integer 64 bit from host byte order to          *

 *          little-endian byte order format.                                  *

 *                                                                            *

 * Return value: unsigned integer 64 bit in little-endian byte order format   *

 *                                                                            *

 ******************************************************************************/

zbx_uint64_t    zbx_htole_uint64(zbx_uint64_t data)

{

    unsigned char   buf[8];

​

    buf[0] = (unsigned char)data;   data >>= 8;

    buf[1] = (unsigned char)data;   data >>= 8;

    buf[2] = (unsigned char)data;   data >>= 8;

    buf[3] = (unsigned char)data;   data >>= 8;

    buf[4] = (unsigned char)data;   data >>= 8;

    buf[5] = (unsigned char)data;   data >>= 8;

    buf[6] = (unsigned char)data;   data >>= 8;

    buf[7] = (unsigned char)data;

​

    memcpy(&data, buf, sizeof(buf));

​

    return data;

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: Converts unsigned integer 64 bit from little-endian byte order    *

 *          format to host byte order.                                        *

 *                                                                            *

 * Return value: unsigned integer 64 bit in host byte order                   *

 *                                                                            *

 ******************************************************************************/

zbx_uint64_t    zbx_letoh_uint64(zbx_uint64_t data)

{

    unsigned char   buf[8];

​

    memcpy(buf, &data, sizeof(buf));

​

    data  = (zbx_uint64_t)buf[7];   data <<= 8;

    data |= (zbx_uint64_t)buf[6];   data <<= 8;

    data |= (zbx_uint64_t)buf[5];   data <<= 8;

    data |= (zbx_uint64_t)buf[4];   data <<= 8;

    data |= (zbx_uint64_t)buf[3];   data <<= 8;

    data |= (zbx_uint64_t)buf[2];   data <<= 8;

    data |= (zbx_uint64_t)buf[1];   data <<= 8;