time.h

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/****************************************************************************
 *
 * Copyright 2016 Samsung Electronics All Rights Reserved.
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 * Licensed under the Apache License, Version 2.0 (the "License");
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/****************************************************************************
 *
 *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
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#ifndef __INCLUDE_TINYARA_TIME_H
#define __INCLUDE_TINYARA_TIME_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <tinyara/config.h>

#include <stdbool.h>
#include <time.h>

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* If Gregorian time is not supported, then neither is Julian */

#ifndef CONFIG_GREGORIAN_TIME
#undef CONFIG_JULIAN_TIME
#else
#define JD_OF_EPOCH           2440588   /* Julian Date of noon, J1970 */

#ifdef CONFIG_JULIAN_TIME
#define GREG_DUTC           -141427 /* Default is October 15, 1582 */
#define GREG_YEAR            1582
#define GREG_MONTH           10
#define GREG_DAY             15
#endif                          /* CONFIG_JULIAN_TIME */
#endif                          /* !CONFIG_GREGORIAN_TIME */

/****************************************************************************
 * Public Data
 ****************************************************************************/

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif

EXTERN int clock_isleapyear(int year);

EXTERN int clock_daysbeforemonth(int month, bool leapyear);

EXTERN time_t clock_calendar2utc(int year, int month, int day);

#undef EXTERN
#ifdef __cplusplus
}
#endif

#endif                          /* __INCLUDE_TINYARA_TIME_H */