70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/*
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* Internal routine for packing UUIDs
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*
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* Copyright (C) 1996, 1997 Theodore Ts'o.
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*
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* %Begin-Header%
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, and the entire permission notice in its entirety,
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* including the disclaimer of warranties.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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* %End-Header%
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*/
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#include <string.h>
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#include "uuidP.h"
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void uuid_pack(const struct uuid *uu, uuid_t ptr)
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{
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uint32_t tmp;
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unsigned char *out = ptr;
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tmp = uu->time_low;
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out[3] = (unsigned char) tmp;
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tmp >>= 8;
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out[2] = (unsigned char) tmp;
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tmp >>= 8;
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out[1] = (unsigned char) tmp;
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tmp >>= 8;
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out[0] = (unsigned char) tmp;
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tmp = uu->time_mid;
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out[5] = (unsigned char) tmp;
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tmp >>= 8;
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out[4] = (unsigned char) tmp;
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tmp = uu->time_hi_and_version;
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out[7] = (unsigned char) tmp;
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tmp >>= 8;
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out[6] = (unsigned char) tmp;
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tmp = uu->clock_seq;
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out[9] = (unsigned char) tmp;
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tmp >>= 8;
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out[8] = (unsigned char) tmp;
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memcpy(out+10, uu->node, 6);
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}
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