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/*** date-core-private.h -- our universe of dates, private bits
*
* Copyright (C) 2011-2018 Sebastian Freundt
*
* Author: Sebastian Freundt <freundt@ga-group.nl>
*
* This file is part of dateutils.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
**/
/* private portion of date-core.h */
#if !defined INCLUDED_date_core_private_h_
#define INCLUDED_date_core_private_h_
#include "date-core.h"
/* formatting defaults */
extern const char ymd_dflt[];
extern const char ymcw_dflt[];
extern const char ywd_dflt[];
extern const char yd_dflt[];
extern const char daisy_dflt[];
extern const char bizsi_dflt[];
extern const char bizda_dflt[];
extern const char ymddur_dflt[];
extern const char ymcwdur_dflt[];
extern const char ywddur_dflt[];
extern const char yddur_dflt[];
extern const char daisydur_dflt[];
extern const char bizsidur_dflt[];
extern const char bizdadur_dflt[];
extern dt_dtyp_t __trans_dfmt_special(const char*);
extern dt_dtyp_t __trans_dfmt(const char **fmt);
extern dt_durtyp_t __trans_ddurfmt(const char**fmt);
/**
* Get the week count of D in the year when weeks start at _1st_wd. */
extern int __yd_get_wcnt(dt_yd_t d, dt_dow_t _1st_wd);
/**
* Like __yd_get_wcnt() but for ISO week convention. */
extern int __yd_get_wcnt_iso(dt_yd_t d);
/**
* Like __yd_get_wcnt() but disregard what day the year started with. */
extern int __yd_get_wcnt_abs(dt_yd_t d);
/**
* Return the N-th W-day in the year of THAT.
* This is equivalent with 8601's Y-W-D calendar where W is the week
* of the year and D the day in the week */
extern unsigned int __ymcw_get_yday(dt_ymcw_t that);
/**
* Get the number of days in month M of year Y. */
extern unsigned int __get_mdays(unsigned int y, unsigned int m);
/**
* Get the number of business days in month M of year Y. */
extern unsigned int __get_bdays(unsigned int y, unsigned int m);
/**
* Get the number of ISO weeks in year Y. */
extern unsigned int __get_isowk(unsigned int y);
/**
* Compare two ymcw objects, return <0, 0, >0 when D1 < D2, D1 == D2, D1 > D2 */
extern int __ymcw_cmp(dt_ymcw_t d1, dt_ymcw_t d2);
/**
* Get N where N is the N-th occurrence of wday in the month of that year */
extern unsigned int __ymd_get_count(dt_ymd_t that);
/**
* Crop dates with days beyond ultimo. */
extern __attribute__((pure)) dt_ymd_t __ymd_fixup(dt_ymd_t);
extern __attribute__((pure)) dt_ywd_t __ywd_fixup(dt_ywd_t);
extern __attribute__((pure)) dt_yd_t __yd_fixup(dt_yd_t);
extern __attribute__((pure)) dt_ymcw_t __ymcw_fixup(dt_ymcw_t);
extern __attribute__((pure)) dt_bizda_t __bizda_fixup(dt_bizda_t);
#endif /* INCLUDED_date_core_private_h_ */
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