109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/***************************************************************************
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gbx_date.h
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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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 2, or (at your option)
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any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __GBX_DATE_H
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#define __GBX_DATE_H
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#ifndef GBX_INFO
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#include <sys/time.h>
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#include "gbx_value.h"
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typedef
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struct {
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int year;
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int month;
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int day;
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int hour;
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int min;
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int sec;
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int weekday;
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int msec;
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}
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DATE_SERIAL;
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#ifndef __DATE_DECLARED
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#define __DATE_DECLARED
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typedef
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struct {
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int date;
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int time;
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}
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DATE;
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#endif
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#endif
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enum {
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DP_MILLISECOND = 1,
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DP_SECOND = 2,
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DP_MINUTE = 3,
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DP_HOUR = 4,
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DP_DAY = 5,
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DP_WEEK = 6,
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DP_WEEKDAY = 7,
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DP_MONTH = 8,
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DP_QUARTER = 9,
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DP_YEAR = 10,
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};
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#ifndef GBX_INFO
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#define DATE_YEAR_MIN -4801
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#define DATE_YEAR_MAX 9999
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#define DATE_NDAY_BC 1753350
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#define DATE_SERIAL_has_no_date(_date) ((_date)->year == 0)
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#define DATE_SERIAL_has_no_time(_date) ((_date)->hour == 0 && (_date)->min == 0 && (_date)->sec == 0 && (_date)->msec == 0)
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#define DATE_void_value(_value) ((_value)->type = T_DATE, (_value)->_date.time = (_value)->_date.date = 0)
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void DATE_init(void);
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void DATE_init_local(void);
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int DATE_get_timezone(void);
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DATE_SERIAL *DATE_split_local(VALUE *value, bool local);
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#define DATE_split(_value) DATE_split_local(_value, TRUE)
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bool DATE_make_local(DATE_SERIAL *date, VALUE *val, bool local);
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#define DATE_make(_date, _value) DATE_make_local(_date, _value, TRUE)
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void DATE_from_time(time_t time, int usec, VALUE *val);
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void DATE_now(VALUE *val);
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int DATE_to_string(char *buffer, VALUE *value);
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bool DATE_from_string(const char *str, int len, VALUE *val, bool local);
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int DATE_comp_value(VALUE *date1, VALUE *date2);
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int DATE_comp(DATE *date1, DATE *date2);
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double DATE_to_double(struct timeval *time, int from_start);
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bool DATE_timer(double *result, int from_start);
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void DATE_add(VALUE *date, int period, int val);
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int DATE_diff(VALUE *date1, VALUE *date2, int period);
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#endif
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#endif
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