25 lines
504 B
C
25 lines
504 B
C
/* $Id$ */
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/** @file date_func.h Functions related to dates. */
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#ifndef DATE_FUNC_H
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#define DATE_FUNC_H
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#include "date_type.h"
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extern Year _cur_year;
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extern Month _cur_month;
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extern Date _date;
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extern DateFract _date_fract;
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void SetDate(Date date);
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void ConvertDateToYMD(Date date, YearMonthDay *ymd);
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Date ConvertYMDToDate(Year year, Month month, Day day);
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static inline bool IsLeapYear(Year yr)
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{
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return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0);
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}
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#endif /* DATE_FUNC_H */
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