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71 lines
1.9 KiB
71 lines
1.9 KiB
/**
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* \file
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* ways to create uuid variant 5. For uuid of variant 1 I use
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* the implementation delivered with the core utils.
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* But this is wrapped in here, so that the rest of the code
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* can use only this implementation...this additionally has the
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* advantage that we can implement version 1 here too for systems
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* where the coreutils implementation is not available.
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2012 Georg Hopp
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __UUID_H__
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#define __UUID_H__
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#include <stdint.h>
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#include <sys/types.h>
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#include <uuid/uuid.h>
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#include "class.h"
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#include "commons.h"
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typedef char UuidString[37];
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CLASS(Uuid) {
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union {
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uuid_t value;
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struct {
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uint32_t time_low;
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uint16_t time_mid;
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uint16_t time_hi_version;
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uint8_t clk_seq_hi_res;
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uint8_t clk_seq_low;
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unsigned char node[6];
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} elements;
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} uuid;
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};
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/*
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* generator functions...these are not really part of the object
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* but generate a uuid object.
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*/
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Uuid uuidVersion1();
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Uuid uuidVersion3(const unsigned char *, size_t, Uuid);
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Uuid uuidVersion5(const unsigned char *, size_t, Uuid);
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void uuidUnparse(Uuid, UuidString);
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Uuid uuidParse(const UuidString);
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int uuidCompare(Uuid, Uuid);
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#endif // __UUID_H__
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// vim: set ts=4 sw=4:
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