//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// This source code is licensed under Microsoft Shared Source License
// Version 1.0 for Windows CE.
// For a copy of the license visit http://go.microsoft.com/fwlink/?LinkId=3223.
//
/***
*time.h - definitions/declarations for time routines
*
*
*Purpose:
*       This file has declarations of time routines and defines
*       the structure returned by the localtime and gmtime routines and
*       used by asctime.
*       [ANSI/System V]
*
*       [Public]
*
****/

#if _MSC_VER > 1000
#pragma once
#endif

#ifndef _INC_TIME
#define _INC_TIME

#if !defined(_WIN32) && !defined(_MAC)
#error ERROR: Only Mac or Win32 targets supported!
#endif


#ifdef  _MSC_VER
/*
 * Currently, all MS C compilers for Win32 platforms default to 8 byte
 * alignment.
 */
#pragma pack(push,8)
#endif  /* _MSC_VER */

#ifdef __cplusplus
extern "C" {
#endif


/* Define _CRTAPI1 (for compatibility with the NT SDK) */

#ifndef _CRTAPI1
#if     _MSC_VER >= 800 && _M_IX86 >= 300
#define _CRTAPI1 __cdecl
#else
#define _CRTAPI1
#endif
#endif


/* Define _CRTAPI2 (for compatibility with the NT SDK) */

#ifndef _CRTAPI2
#if     _MSC_VER >= 800 && _M_IX86 >= 300
#define _CRTAPI2 __cdecl
#else
#define _CRTAPI2
#endif
#endif


/* Define _CRTIMP */

#ifndef _CRTIMP
#ifdef  _NTSDK
/* definition compatible with NT SDK */
#define _CRTIMP
#else   /* ndef _NTSDK */
/* current definition */
#ifdef  _DLL
#define _CRTIMP __declspec(dllimport)
#else   /* ndef _DLL */
#define _CRTIMP
#endif  /* _DLL */
#endif  /* _NTSDK */
#endif  /* _CRTIMP */


/* Define __cdecl for non-Microsoft compilers */

#if     ( !defined(_MSC_VER) && !defined(__cdecl) )
#define __cdecl
#endif

#ifndef _MAC
#ifndef _WCHAR_T_DEFINED
typedef unsigned short wchar_t;
#define _WCHAR_T_DEFINED
#endif
#endif /* ndef _MAC */

/* Define the implementation defined time type */

#ifndef _TIME_T_DEFINED
typedef long time_t;        /* time value */
#define _TIME_T_DEFINED     /* avoid multiple def's of time_t */
#endif

#ifndef _CLOCK_T_DEFINED
typedef long clock_t;
#define _CLOCK_T_DEFINED
#endif

#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif


/* Define NULL pointer value */

#ifndef NULL
#ifdef __cplusplus
#define NULL    0
#else
#define NULL    ((void *)0)
#endif
#endif


#ifndef _TM_DEFINED
struct tm {
        int tm_sec;     /* seconds after the minute - [0,59] */
        int tm_min;     /* minutes after the hour - [0,59] */
        int tm_hour;    /* hours since midnight - [0,23] */
        int tm_mday;    /* day of the month - [1,31] */
        int tm_mon;     /* months since January - [0,11] */
        int tm_year;    /* years since 1900 */
        int tm_wday;    /* days since Sunday - [0,6] */
        int tm_yday;    /* days since January 1 - [0,365] */
        int tm_isdst;   /* daylight savings time flag */
        };
#define _TM_DEFINED
#endif


/* Clock ticks macro - ANSI version */

#define CLOCKS_PER_SEC  1000


/* Extern declarations for the global variables used by the ctime family of
 * routines.
 */

#ifdef  _NTSDK

#ifdef  _DLL

/* Declarations and definitions compatible with the NT SDK */

#define _daylight   (*_daylight_dll)
#define _timezone   (*_timezone_dll)

/* non-zero if daylight savings time is used */
extern int * _daylight_dll;

/* difference in seconds between GMT and local time */
extern long * _timezone_dll;

/* standard/daylight savings time zone names */
extern char ** _tzname;

#else   /* ndef _DLL */


#ifdef  _POSIX_
extern char * _rule;
#endif  /* _POSIX_ */

/* non-zero if daylight savings time is used */
extern int _daylight;

/* difference in seconds between GMT and local time */
extern long _timezone;

/* standard/daylight savings time zone names */
#ifdef  _POSIX_
extern char * tzname[2];
#else   /* ndef _POSIX_ */
extern char * _tzname[2];
#endif  /* _POSIX_ */

#endif  /* _DLL */

#else   /* ndef _NTSDK */

/* Current declarations and definitions */

#if     defined(_DLL) && defined(_M_IX86)

#define _daylight   (*__p__daylight())
_CRTIMP int * __cdecl __p__daylight(void);

#define _dstbias    (*__p__dstbias())
_CRTIMP long * __cdecl __p__dstbias(void);

#define _timezone   (*__p__timezone())
_CRTIMP long * __cdecl __p__timezone(void);

#define _tzname     (__p__tzname())
_CRTIMP char ** __cdecl __p__tzname(void);

#else   /* !(defined(_DLL) && defined(_M_IX86)) */

/* non-zero if daylight savings time is used */
_CRTIMP extern int _daylight;

/* offset for Daylight Saving Time */
_CRTIMP extern long _dstbias;

/* difference in seconds between GMT and local time */
_CRTIMP extern long _timezone;

/* standard/daylight savings time zone names */
_CRTIMP extern char * _tzname[2];

#endif  /* defined(_DLL) && defined(_M_IX86) */

#endif  /* _NTSDK */


/* Function prototypes */

_CRTIMP char * __cdecl asctime(const struct tm *);
_CRTIMP char * __cdecl ctime(const time_t *);
_CRTIMP clock_t __cdecl clock(void);
_CRTIMP struct tm * __cdecl gmtime(const time_t *);
_CRTIMP struct tm * __cdecl localtime(const time_t *);
_CRTIMP time_t __cdecl mktime(struct tm *);
_CRTIMP size_t __cdecl strftime(char *, size_t, const char *,
        const struct tm *);
_CRTIMP char * __cdecl _strdate(char *);
_CRTIMP char * __cdecl _strtime(char *);
_CRTIMP time_t __cdecl time(time_t *);

#ifdef  _POSIX_
_CRTIMP void __cdecl tzset(void);
#else
_CRTIMP void __cdecl _tzset(void);
#endif

/* --------- The following functions are OBSOLETE --------- */
/* The Win32 API GetLocalTime and SetLocalTime should be used instead. */
unsigned __cdecl _getsystime(struct tm *);
unsigned __cdecl _setsystime(struct tm *, unsigned);
/* --------- The preceding functions are OBSOLETE --------- */


#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif

#ifndef _MAC
#ifndef _WTIME_DEFINED

/* wide function prototypes, also declared in wchar.h */
 
_CRTIMP wchar_t * __cdecl _wasctime(const struct tm *);
_CRTIMP wchar_t * __cdecl _wctime(const time_t *);
_CRTIMP size_t __cdecl wcsftime(wchar_t *, size_t, const wchar_t *,
        const struct tm *);
_CRTIMP wchar_t * __cdecl _wstrdate(wchar_t *);
_CRTIMP wchar_t * __cdecl _wstrtime(wchar_t *);

#define _WTIME_DEFINED
#endif
#endif /* ndef _MAC */


#if     !__STDC__ || defined(_POSIX_)

/* Non-ANSI names for compatibility */

#define CLK_TCK  CLOCKS_PER_SEC

#ifdef  _NTSDK

/* Declarations and definitions compatible with the NT SDK */

#define daylight _daylight
/* timezone cannot be #defined because of <sys/timeb.h> */

#ifndef _POSIX_
#define tzname  _tzname
#define tzset   _tzset
#endif /* _POSIX_ */

#else   /* ndef _NTSDK */

#if     defined(_DLL) && defined(_M_IX86)

#define daylight   (*__p__daylight())
/* timezone cannot be #defined because of <sys/timeb.h>
   so CRT DLL for win32s will not have timezone */
_CRTIMP extern long timezone;
#define tzname     (__p__tzname())

#else   /* !(defined(_DLL) && defined(_M_IX86)) */

_CRTIMP extern int daylight;
_CRTIMP extern long timezone;
_CRTIMP extern char * tzname[2];

#endif  /* !(defined(_DLL) && defined(_M_IX86)) */

_CRTIMP void __cdecl tzset(void);

#endif  /* _NTSDK */

#endif  /* __STDC__ */


#ifdef __cplusplus
}
#endif


#ifdef  _MSC_VER
#pragma pack(pop)
#endif  /* _MSC_VER */

#endif  /* _INC_TIME */
