date.h

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#ifndef LARLIB_DATE_H
#define LARLIB_DATE_H

#include <larlib/base.h>

/*
 * Typedef for structures below
 */
typedef struct dateDate_t dateDate_t;
typedef struct dateTime_t dateTime_t;

enum dateMonths_t {
    DATE_JAN = 1,       
    DATE_FEB,           
    DATE_MAR,           
    DATE_APR,           
    DATE_MAY,           
    DATE_JUN,           
    DATE_JUL,           
    DATE_AUG,           
    DATE_SEP,           
    DATE_OCT,           
    DATE_NOV,           
    DATE_DEC 
};

enum dateWeekdays_t {
    DATE_SUN = 0,       
    DATE_MON,           
    DATE_TUE,           
    DATE_WED,           
    DATE_THU,           
    DATE_FRI,           
    DATE_SAT 
};

struct dateDate_t {
    uint8_t day;        
    uint8_t mon;        
    uint16_t year;      
};

struct dateTime_t {
    dateDate_t date;        
    uint8_t hour;       
    uint8_t min;        
    uint8_t sec;        
};

int dateGet(dateDate_t *d);

int dateTimeGet(dateTime_t *dt);

uint64_t dateTimeGetMs(void);

int dateSet(const dateDate_t *d);

int dateTimeSet(const dateTime_t *dt);

int dateToJulianDay(const dateDate_t *d);

int dateFromJulianDay(int jdn, dateDate_t *d);

int dateWeekday(const dateDate_t *d);

int dateIsLeap(uint16_t year);

int dateIsValid(const dateDate_t *d);

int dateTimeIsValid(const dateTime_t *dt);

int dateDiff(const dateDate_t *a, const dateDate_t *b);

int dateAddDays(dateDate_t *d, int ndays);

int dateCompare(const dateDate_t *a, const dateDate_t *b);

int dateTimeAddSeconds(dateTime_t *dt, int nsecs);

int dateTimeCompare(const dateTime_t *a, const dateTime_t *b);

int dateTimeDiff(const dateTime_t *a, const dateTime_t *b);

/* @} */

#endif