1/* vi: set sw=4 ts=4: */ 2/* 3 * Internal routine for unpacking UUID 4 * 5 * Copyright (C) 1996, 1997 Theodore Ts'o. 6 * 7 * %Begin-Header% 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, and the entire permission notice in its entirety, 13 * including the disclaimer of warranties. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 24 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 29 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 31 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 32 * DAMAGE. 33 * %End-Header% 34 */ 35 36#include <string.h> 37#include "uuidP.h" 38 39void uuid_unpack(const uuid_t in, struct uuid *uu) 40{ 41 const uint8_t *ptr = in; 42 uint32_t tmp; 43 44 tmp = *ptr++; 45 tmp = (tmp << 8) | *ptr++; 46 tmp = (tmp << 8) | *ptr++; 47 tmp = (tmp << 8) | *ptr++; 48 uu->time_low = tmp; 49 50 tmp = *ptr++; 51 tmp = (tmp << 8) | *ptr++; 52 uu->time_mid = tmp; 53 54 tmp = *ptr++; 55 tmp = (tmp << 8) | *ptr++; 56 uu->time_hi_and_version = tmp; 57 58 tmp = *ptr++; 59 tmp = (tmp << 8) | *ptr++; 60 uu->clock_seq = tmp; 61 62 memcpy(uu->node, ptr, 6); 63} 64