/*
 * time.h
 * 
 * Struct and function declarations for dealing with time.
 */

#ifndef _TIME_H_
#define _TIME_H_

#include "_ansi.h"
#include <sys/cdefs.h>
#include <sys/reent.h>

#define __need_size_t
#define __need_NULL
#include <stddef.h>

/* Get _CLOCKS_PER_SEC_ */
#include <machine/time.h>

#ifndef _CLOCKS_PER_SEC_
#define _CLOCKS_PER_SEC_ 1000
#endif

#define CLOCKS_PER_SEC 	_CLOCKS_PER_SEC_
#define CLK_TCK 		CLOCKS_PER_SEC

#include <sys/types.h>
#include <sys/timespec.h>

#if __POSIX_VISIBLE >= 200809
#include <sys/_locale.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

struct tm
{
  int	tm_sec;
  int	tm_min;
  int	tm_hour;
  int	tm_mday;
  int	tm_mon;
  int	tm_year;
  int	tm_wday;
  int	tm_yday;
  int	tm_isdst;

//#ifdef __TM_GMTOFF
//  long	__TM_GMTOFF;
//#endif
//#ifdef __TM_ZONE
//  const char *__TM_ZONE;
//#endif

};
//+++++++++++++++++++++++++++++++++++++++++++++++++++
// only extern for lib,you should must write the function (adapters bases on the chip resource) in project
extern unsigned char RtcReadTime(struct tm *timeptr);
extern unsigned char RtcWriteTime(struct tm *timeptr);

//+++++++++++++++++++++++++++++++++++++++++++++++++++
//#define LEAP_YEAR(year) ((year%4)==0)
#define LEAP_YEAR(y) (((y) % 4) == 0 && (((y) % 100) != 0 || (((y)+1900) % 400) == 0))
#define _DAYS_IN_YEAR(year) (_ISLEAP(year) ? 366 : 365)
clock_t	   clock (void);
//#define clock()		time(NULL);

time_t	   	time (time_t *_timer);
void		timeTm(struct tm *);   // add

// set time

extern char	stime(struct tm * );	//add
extern char	stime2(time_t *);		//add

// time interval ,units:second
//double	   difftime (time_t _time2, time_t _time1);
#define	difftime(t1, t0)	((long double)((time_t)(t1)-(time_t)(t0)))

//conversion of object to value
time_t	   mktime (struct tm *_timeptr);


//#ifndef _REENT_ONLY
//conversion of time to string
	char	  *asctime (const struct tm *_tblock);
	char	  *ctime (const time_t *_time);
// conversion of  value to object
	struct tm *gmtime (const time_t *_timer);
	struct tm *localtime (const time_t *_timer);
	void gmtimeTM( time_t *timep,struct tm *inTmTime ); //add
//#endif

//#########################################################################
size_t	   strftime (char *__restrict _s,
			     size_t _maxsize, const char *__restrict _fmt,
			     const struct tm *__restrict _t);

//#if __POSIX_VISIBLE >= 200809
extern size_t strftime_l (char *__restrict _s, size_t _maxsize,
			  const char *__restrict _fmt,
			  const struct tm *__restrict _t, locale_t _l);
//#endif

char	  *asctime_r 	(const struct tm *__restrict,
				 char *__restrict);
char	  *ctime_r 	(const time_t *, char *);

struct tm *gmtime_r 	(const time_t *__restrict,
				 struct tm *__restrict);
struct tm *localtime_r 	(const time_t *__restrict,
				 struct tm *__restrict);

#ifdef __cplusplus
}
#endif

#ifdef __cplusplus
extern "C" {
#endif

//#if __XSI_VISIBLE
char      *strptime (const char *__restrict,
				 const char *__restrict,
				 struct tm *__restrict);
//#endif
//#if __GNU_VISIBLE
char *strptime_l (const char *__restrict, const char *__restrict,
		  struct tm *__restrict, locale_t);
//#endif

//#if __POSIX_VISIBLE
void      tzset 	(void);
//#endif
void      _tzset_r 	(struct _reent *);

/* getdate functions */

//#ifdef HAVE_GETDATE
//	#if __XSI_VISIBLE >= 4
//		#ifndef _REENT_ONLY
//		#define getdate_err (*__getdate_err())
//		int *__getdate_err (void);
//
//		struct tm *	getdate (const char *);
//		/* getdate_err is set to one of the following values to indicate the error.
//			 1  the DATEMSK environment variable is null or undefined,
//			 2  the template file cannot be opened for reading,
//			 3  failed to get file status information,
//			 4  the template file is not a regular file,
//			 5  an error is encountered while reading the template file,
//			 6  memory allication failed (not enough memory available),
//			 7  there is no line in the template that matches the input,
//			 8  invalid input specification  */
//		#endif /* !_REENT_ONLY */
//	#endif /* __XSI_VISIBLE >= 4 */
//
//	#if __GNU_VISIBLE
	/* getdate_r returns the error code as above */
		int		getdate_r (const char *, struct tm *);
//	#endif /* __GNU_VISIBLE */
//#endif /* HAVE_GETDATE */

/* defines for the opengroup specifications Derived from Issue 1 of the SVID.  */
//#if __SVID_VISIBLE || __XSI_VISIBLE
extern __IMPORT long 	_timezone;
extern __IMPORT int 	_daylight;
//#endif

//#if __POSIX_VISIBLE
extern __IMPORT char *_tzname[2];

/* POSIX defines the external tzname being defined in time.h */
#ifndef tzname
#define tzname _tzname
#endif
//#endif /* __POSIX_VISIBLE */

#ifdef __cplusplus
}
#endif

#include <sys/features.h>

//#ifdef __CYGWIN__
//#include <cygwin/time.h>
//#endif /*__CYGWIN__*/

//#if defined(_POSIX_TIMERS)
//
//#include <signal.h>
//
//#ifdef __cplusplus
//extern "C" {
//#endif
//
///* Clocks, P1003.1b-1993, p. 263 */
//
//int clock_settime (clockid_t clock_id, const struct timespec *tp);
//int clock_gettime (clockid_t clock_id, struct timespec *tp);
//int clock_getres (clockid_t clock_id, struct timespec *res);
//
///* Create a Per-Process Timer, P1003.1b-1993, p. 264 */
//
//int timer_create (clockid_t clock_id,
// 	struct sigevent *__restrict evp,
//	timer_t *__restrict timerid);
//
///* Delete a Per_process Timer, P1003.1b-1993, p. 266 */
//
//int timer_delete (timer_t timerid);
//
///* Per-Process Timers, P1003.1b-1993, p. 267 */
//
//int timer_settime (timer_t timerid, int flags,
//	const struct itimerspec *__restrict value,
//	struct itimerspec *__restrict ovalue);
//int timer_gettime (timer_t timerid, struct itimerspec *value);
//int timer_getoverrun (timer_t timerid);
//
///* High Resolution Sleep, P1003.1b-1993, p. 269 */
//
//int nanosleep (const struct timespec  *rqtp, struct timespec *rmtp);
//
//#ifdef __cplusplus
//}
//#endif
//#endif /* _POSIX_TIMERS */

//#if defined(_POSIX_CLOCK_SELECTION)
//
//#ifdef __cplusplus
//extern "C" {
//#endif
//
//int clock_nanosleep (clockid_t clock_id, int flags,
//	const struct timespec *rqtp, struct timespec *rmtp);
//
//#ifdef __cplusplus
//}
//#endif
//
//#endif /* _POSIX_CLOCK_SELECTION */

#ifdef __cplusplus
extern "C" {
#endif

/* CPU-time Clock Attributes, P1003.4b/D8, p. 54 */

/* values for the clock enable attribute */

#define CLOCK_ENABLED  		1  /* clock is enabled, i.e. counting execution time */
#define CLOCK_DISABLED 		0  /* clock is disabled */

/* values for the pthread cputime_clock_allowed attribute */

#define CLOCK_ALLOWED    1 /* If a thread is created with this value a */
                           /*   CPU-time clock attached to that thread */
                           /*   shall be accessible. */
#define CLOCK_DISALLOWED 0 /* If a thread is created with this value, the */
                           /*   thread shall not have a CPU-time clock */
                           /*   accessible. */

/* Flag indicating time is "absolute" with respect to the clock
   associated with a time.  Value 4 is historic. */

#define TIMER_ABSTIME	4

/* Manifest Constants, P1003.1b-1993, p. 262 */

//#if __GNU_VISIBLE
#define CLOCK_REALTIME_COARSE	((clockid_t) 0)
//#endif

#define CLOCK_REALTIME			((clockid_t) 1)

/* Manifest Constants, P1003.4b/D8, p. 55 */

//#if defined(_POSIX_CPUTIME)
//
///* When used in a clock or timer function call, this is interpreted as
//   the identifier of the CPU_time clock associated with the PROCESS
//   making the function call.  */
//
//#define CLOCK_PROCESS_CPUTIME_ID ((clockid_t) 2)
//
//#endif

//#if defined(_POSIX_THREAD_CPUTIME)
//
///*  When used in a clock or timer function call, this is interpreted as
//    the identifier of the CPU_time clock associated with the THREAD
//    making the function call.  */
//
//#define CLOCK_THREAD_CPUTIME_ID	((clockid_t) 3)
//
//#endif

//#if defined(_POSIX_MONOTONIC_CLOCK)
//
///*  The identifier for the system-wide monotonic clock, which is defined
// *  as a clock whose value cannot be set via clock_settime() and which
// *  cannot have backward clock jumps. */
//
//#define CLOCK_MONOTONIC		((clockid_t) 4)
//
//#endif

//#if __GNU_VISIBLE

#define CLOCK_MONOTONIC_RAW		((clockid_t) 5)

#define CLOCK_MONOTONIC_COARSE	((clockid_t) 6)

#define CLOCK_BOOTTIME			((clockid_t) 7)

#define CLOCK_REALTIME_ALARM	((clockid_t) 8)

#define CLOCK_BOOTTIME_ALARM	((clockid_t) 9)

//#endif

//#if defined(_POSIX_CPUTIME)
//
///* Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 */
//
//int clock_getcpuclockid (pid_t pid, clockid_t *clock_id);
//
//#endif /* _POSIX_CPUTIME */

//#if defined(_POSIX_CPUTIME) || defined(_POSIX_THREAD_CPUTIME)
//
///* CPU-time Clock Attribute Access, P1003.4b/D8, p. 56 */
//
//int clock_setenable_attr (clockid_t clock_id, int attr);
//int clock_getenable_attr (clockid_t clock_id, int *attr);
//
//#endif /* _POSIX_CPUTIME or _POSIX_THREAD_CPUTIME */

#ifdef __cplusplus
}
#endif

#endif /* _TIME_H_ */