_format3or5.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2013 Georg Hopp
*
* 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/>.
*/
// for memcpy
#include <string.h>
// for ntohl and similar
#include <arpa/inet.h>
// for already available uuid functionality
#include <uuid/uuid.h>
#include "tr/uuid.h"
void
_TR_uuidFormat3or5(TR_Uuid uuid, unsigned char hash[16], int version)
{
/* convert UUID to local byte order */
memcpy((uuid->uuid).value, hash, 16);
(uuid->uuid).elements.time_low =
ntohl((uuid->uuid).elements.time_low);
(uuid->uuid).elements.time_mid =
ntohs((uuid->uuid).elements.time_mid);
(uuid->uuid).elements.time_hi_version =
ntohs((uuid->uuid).elements.time_hi_version);
/* put in the variant and version bits */
(uuid->uuid).elements.time_hi_version &= 0x0FFF;
(uuid->uuid).elements.time_hi_version |= (version << 12);
(uuid->uuid).elements.clk_seq_hi_res &= 0x3F;
(uuid->uuid).elements.clk_seq_hi_res |= 0x80;
}
// vim: set ts=4 sw=4: