[439959b] | 1 | /* |
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| 2 | * Internal routine for unpacking UUID |
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| 3 | * |
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| 4 | * Copyright (C) 1996, 1997 Theodore Ts'o. |
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| 5 | * |
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| 6 | * %Begin-Header% |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, and the entire permission notice in its entirety, |
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| 12 | * including the disclaimer of warranties. |
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer in the |
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| 15 | * documentation and/or other materials provided with the distribution. |
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| 16 | * 3. The name of the author may not be used to endorse or promote |
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| 17 | * products derived from this software without specific prior |
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| 18 | * written permission. |
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| 19 | * |
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| 20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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| 21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF |
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| 23 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE |
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| 24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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| 27 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
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| 30 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH |
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| 31 | * DAMAGE. |
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| 32 | * %End-Header% |
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| 33 | */ |
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| 34 | |
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[ebdeaf6] | 35 | #ifdef HAVE_CONFIG_H |
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[439959b] | 36 | #include "config.h" |
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[ebdeaf6] | 37 | #endif |
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[439959b] | 38 | |
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| 39 | #include <string.h> |
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| 40 | #include "uuidP.h" |
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| 41 | |
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| 42 | void uuid_unpack(const uuid_t in, struct uuid *uu) |
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| 43 | { |
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| 44 | const uint8_t *ptr = in; |
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| 45 | uint32_t tmp; |
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| 46 | |
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| 47 | tmp = *ptr++; |
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| 48 | tmp = (tmp << 8) | *ptr++; |
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| 49 | tmp = (tmp << 8) | *ptr++; |
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| 50 | tmp = (tmp << 8) | *ptr++; |
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| 51 | uu->time_low = tmp; |
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| 52 | |
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| 53 | tmp = *ptr++; |
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| 54 | tmp = (tmp << 8) | *ptr++; |
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| 55 | uu->time_mid = tmp; |
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| 56 | |
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| 57 | tmp = *ptr++; |
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| 58 | tmp = (tmp << 8) | *ptr++; |
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| 59 | uu->time_hi_and_version = tmp; |
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| 60 | |
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| 61 | tmp = *ptr++; |
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| 62 | tmp = (tmp << 8) | *ptr++; |
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| 63 | uu->clock_seq = tmp; |
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| 64 | |
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| 65 | memcpy(uu->node, ptr, 6); |
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| 66 | } |
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| 67 | |
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