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