| bigbiff | 7b4c7a6 | 2015-01-01 19:44:14 -0500 | [diff] [blame] | 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 | } |
| 63 | |