blob: 08a500d9c1d33c3207c54e856e89547eea1e092c [file] [log] [blame] [raw]
/*
* time.h
* This file has no copyright assigned and is placed in the Public Domain.
* This file is a part of the mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within the package.
*
* Date and time functions and types.
*
*/
#ifndef TIME_H_
#define TIME_H_
/* All the headers include this file. */
#include <_mingw.h>
#define __need_wchar_t
#define __need_size_t
#define __need_NULL
#ifndef RC_INVOKED
#include <stddef.h>
#endif /* Not RC_INVOKED */
#include <sys/types.h>
/*
* Number of clock ticks per second. A clock tick is the unit by which
* processor time is measured and is returned by 'clock'.
*/
#define CLOCKS_PER_SEC ((clock_t)1000)
#define CLK_TCK CLOCKS_PER_SEC
#ifndef RC_INVOKED
/*
* A type for storing the current time and date. This is the number of
* seconds since midnight Jan 1, 1970.
* NOTE: This is also defined in non-ISO sys/types.h.
*/
#ifndef _TIME_T_DEFINED
typedef long int time_t;
#define _TIME_T_DEFINED
#endif
#ifndef __STRICT_ANSI__
/* A 64-bit time_t to get to Y3K */
#ifndef _TIME64_T_DEFINED
typedef __int64 __time64_t;
#define _TIME64_T_DEFINED
#endif
#endif
/*
* A type for measuring processor time (in clock ticks).
*/
#ifndef _CLOCK_T_DEFINED
typedef long int clock_t;
#define _CLOCK_T_DEFINED
#endif
#ifndef _TM_DEFINED
/*
* A structure for storing all kinds of useful information about the
* current (or another) time.
*/
struct tm {
int tm_sec; /* Seconds: 0-59 (K&R says 0-61?) */
int tm_min; /* Minutes: 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 Jan. 1: 0-365 */
int tm_isdst; /* +1 Daylight Savings Time, 0 No DST,
* -1 don't know */
};
#define _TM_DEFINED
#endif
struct timespec {
time_t tv_sec; // Seconds.
long int tv_nsec; // Nanoseconds.
};
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __COREDLL__
_CRTIMP clock_t __cdecl __MINGW_NOTHROW clock(void);
#endif
_CRTIMP time_t __cdecl __MINGW_NOTHROW time(time_t*);
_CRTIMP double __cdecl __MINGW_NOTHROW difftime(time_t, time_t);
_CRTIMP time_t __cdecl __MINGW_NOTHROW mktime(struct tm*);
/*
* These functions write to and return pointers to static buffers that may
* be overwritten by other function calls. Yikes!
*
* NOTE: localtime, and perhaps the others of the four functions grouped
* below may return NULL if their argument is not 'acceptable'. Also note
* that calling asctime with a NULL pointer will produce an Invalid Page
* Fault and crap out your program. Guess how I know. Hint: stat called on
* a directory gives 'invalid' times in st_atime etc...
*/
_CRTIMP char *__cdecl __MINGW_NOTHROW asctime(const struct tm*);
_CRTIMP char *__cdecl __MINGW_NOTHROW ctime(const time_t*);
_CRTIMP struct tm *__cdecl __MINGW_NOTHROW gmtime(const time_t*);
_CRTIMP struct tm *__cdecl __MINGW_NOTHROW localtime(const time_t*);
_CRTIMP size_t __cdecl __MINGW_NOTHROW strftime(char*, size_t, const char*, const struct tm*);
#ifndef __STRICT_ANSI__
extern _CRTIMP void __cdecl __MINGW_NOTHROW _tzset(void);
extern _CRTIMP void __cdecl __MINGW_NOTHROW tzset(void);
#ifndef __COREDLL__
_CRTIMP char *__cdecl __MINGW_NOTHROW _strdate(char*);
_CRTIMP char *__cdecl __MINGW_NOTHROW _strtime(char*);
#endif
/* These require newer versions of msvcrt.dll (6.10 or higher). */
#if __MSVCRT_VERSION__ >= 0x0601
_CRTIMP __time64_t __cdecl __MINGW_NOTHROW _time64( __time64_t*);
_CRTIMP __time64_t __cdecl __MINGW_NOTHROW _mktime64(struct tm*);
_CRTIMP char *__cdecl __MINGW_NOTHROW _ctime64(const __time64_t*);
_CRTIMP struct tm *__cdecl __MINGW_NOTHROW _gmtime64(const __time64_t*);
_CRTIMP struct tm *__cdecl __MINGW_NOTHROW _localtime64(const __time64_t*);
#endif /* __MSVCRT_VERSION__ >= 0x0601 */
/*
* _daylight: non zero if daylight savings time is used.
* _timezone: difference in seconds between GMT and local time.
* _tzname: standard/daylight savings time zone names (an array with two
* elements).
*/
#ifdef __MSVCRT__
/* These are for compatibility with pre-VC 5.0 suppied MSVCRT. */
extern _CRTIMP int *__cdecl __MINGW_NOTHROW __p__daylight (void);
extern _CRTIMP long *__cdecl __MINGW_NOTHROW __p__timezone (void);
extern _CRTIMP char **__cdecl __MINGW_NOTHROW __p__tzname (void);
__MINGW_IMPORT int _daylight;
__MINGW_IMPORT long _timezone;
__MINGW_IMPORT char *_tzname[2];
#elif defined(__CRTDLL__)
#ifndef __DECLSPEC_SUPPORTED
extern int daylight_dll;
extern long timezone_dll;
extern char *tzname[2];
#else
__MINGW_IMPORT int daylight;
__MINGW_IMPORT long timezone_dll;
__MINGW_IMPORT char *tzname[2];
#endif /* __DECLSPEC_SUPPORTED */
#endif
#ifndef _NO_OLDNAMES
#ifdef __MSVCRT__
/* These go in the oldnames import library for MSVCRT. */
__MINGW_IMPORT int daylight;
__MINGW_IMPORT long timezone;
__MINGW_IMPORT char *tzname[2];
#endif /* not __MSVCRT__ */
#endif /* Not _NO_OLDNAMES */
#endif /* Not __STRICT_ANSI__ */
#define CLOCK_REALTIME 0
#define CLOCK_MONOTONIC 1
int clock_gettime(clockid_t, struct timespec *);
int clock_settime(clockid_t, const struct timespec *);
#ifndef _WTIME_DEFINED
/* wide function prototypes, also declared in wchar.h */
#ifndef __STRICT_ANSI__
#ifdef __MSVCRT__
_CRTIMP wchar_t *__cdecl __MINGW_NOTHROW _wasctime(const struct tm*);
_CRTIMP wchar_t *__cdecl __MINGW_NOTHROW _wctime(const time_t*);
_CRTIMP wchar_t *__cdecl __MINGW_NOTHROW _wstrdate(wchar_t*);
_CRTIMP wchar_t *__cdecl __MINGW_NOTHROW _wstrtime(wchar_t*);
#if __MSVCRT_VERSION__ >= 0x0601
_CRTIMP wchar_t *__cdecl __MINGW_NOTHROW _wctime64(const __time64_t*);
#endif
#endif /* __MSVCRT__ */
#endif /* __STRICT_ANSI__ */
_CRTIMP size_t __cdecl __MINGW_NOTHROW wcsftime(wchar_t*, size_t, const wchar_t*, const struct tm*);
#define _WTIME_DEFINED
#endif /* _WTIME_DEFINED */
#ifdef __cplusplus
}
#endif
#endif /* Not RC_INVOKED */
#endif