timeutils.c File Reference

Time conversion functions. More...

#include "timeutils.h"

Go to the source code of this file.

Macros
#define	__isleap(year)   ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
#define	SECS_PER_HOUR   (60 * 60)
#define	SECS_PER_DAY   (SECS_PER_HOUR * 24)
#define	DIV(a, b)   ((a) / (b) - ((a) % (b) < 0))
#define	LEAPS_THRU_END_OF(y)   (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))

Functions
void	date_from_timestamp (uint32_t timestamp, DateTimeT *date_time)

Variables
static const uint16_t	__mon_yday [2][13]

Detailed Description

Time conversion functions.

Author

Tau Labs, http://taulabs.org, Copyright (C) 2015 Free Software Foundation, Inc. (C) 1991-2015

See Also

The GNU Public License (GPL) Version 3

Definition in file timeutils.c.

Macro Definition Documentation

#define DIV	(		a,
			b
	)		((a) / (b) - ((a) % (b) < 0))

#define LEAPS_THRU_END_OF

(

y

)

(DIV (y, 4) - DIV (y, 100) + DIV (y, 400))