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OpenTTD-patches/src/date_func.h

25 lines
504 B
C

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