83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
/*-
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* Copyright (c) 2017-2019 Carsten Sonne Larsen <cs@innolan.net>
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* All rights reserved.
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*
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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, this list of conditions and the following disclaimer.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef POSIXTZ_H_INCLUDED
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#define POSIXTZ_H_INCLUDED
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#include <exec/types.h>
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#define JulianDay 1
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#define JulianDayLeap 2
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#define DayWeekMonth 3
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struct PosixTimeZoneOffset
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{
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int sign; // before/after 00:00:00, -1 or 1
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int hours; // hours before/after 00:00:00 [0:167]
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int minutes; // minutes before/after 00:00:00 [0:59]
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int seconds; // seconds before/after 00:00:00 [0:59]
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time_t time;
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};
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struct PosixTransition
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{
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int type; // type of transistion [0:2]
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int day; // day of year (leap or non-leap) [0:365]
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int weekday; // day of week [0:6]
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int week; // week of month [1:5]
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int month; // month of year [1:12]
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struct PosixTimeZoneOffset offset;
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};
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struct PosixTransitionTime
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{
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bool isdst;
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time_t time;
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};
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struct PosixLocalTimeZone
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{
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char *abbreviation;
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struct PosixTimeZoneOffset offset;
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};
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struct PosixTimeZone
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{
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struct PosixLocalTimeZone current;
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struct PosixLocalTimeZone std;
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struct PosixLocalTimeZone dst;
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struct PosixTransition start;
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struct PosixTransition end;
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struct PosixTransitionTime transitions[138];
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};
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int InitTimezone(void);
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void CleanupTimezone(void);
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bool SetTimezone(struct timeval *tv);
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struct PosixTransitionTime *FindNextTransition(time_t);
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#endif
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