date.h File Reference

Date and time. More...

#include <larlib/base.h>

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Data Structures
struct	dateDate_t
	A gregorian date. More...
struct	dateTime_t
	A gregorian date with time. More...

Enumerations
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 }
	Enumeration of months. More...
enum	dateWeekdays_t {   DATE_SUN = 0, DATE_MON, DATE_TUE, DATE_WED,   DATE_THU, DATE_FRI, DATE_SAT }
	Enumeration of days of a week. More...

Functions
int	dateGet (dateDate_t *d)
	Return the current system date. More...
int	dateTimeGet (dateTime_t *dt)
	Return the current system date and time. More...
uint64_t	dateTimeGetMs (void)
	Return an increasing count of milliseconds. More...
int	dateSet (const dateDate_t *d)
	Update the system date. More...
int	dateTimeSet (const dateTime_t *dt)
	Update the system date and time. More...
int	dateToJulianDay (const dateDate_t *d)
	Return the Julian Day Number of d. More...
int	dateFromJulianDay (int jdn, dateDate_t *d)
	Convert the Julian Day Number to the Gregorian calendar. More...
int	dateWeekday (const dateDate_t *d)
	Return the weekday of a given date. More...
int	dateIsLeap (uint16_t year)
	Return non-zero if given year number is a leap year. More...
int	dateIsValid (const dateDate_t *d)
	Checks if a date is valid. More...
int	dateTimeIsValid (const dateTime_t *dt)
	Checks if both time and date are valid. More...
int	dateDiff (const dateDate_t *a, const dateDate_t *b)
	Return the difference, in days, between two dates. More...
int	dateAddDays (dateDate_t *d, int ndays)
	Add a number of days to a given date. More...
int	dateCompare (const dateDate_t *a, const dateDate_t *b)
	Compare two dates. More...
int	dateTimeAddSeconds (dateTime_t *dt, int nsecs)
	Add seconds to a given date and time. More...
int	dateTimeCompare (const dateTime_t *a, const dateTime_t *b)
	Compare two date times. More...
int	dateTimeDiff (const dateTime_t *a, const dateTime_t *b)
	Return the difference, in seconds, between two date times. More...

Detailed Description

Date and time.