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- /*
- * time.h
- *
- * Date and time functions and types.
- *
- * This file is part of the Mingw32 package.
- *
- * Contributors:
- * Created by Colin Peters <[email protected]>
- *
- * THIS SOFTWARE IS NOT COPYRIGHTED
- *
- * This source code is offered for use in the public domain. You may
- * use, modify or distribute it freely.
- *
- * This code is distributed in the hope that it will be useful but
- * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
- * DISCLAIMED. This includes but is not limited to warranties of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Revision: 1.2 $
- * $Author: bellard $
- * $Date: 2005/04/17 13:14:29 $
- *
- */
- #ifndef _TIME_H_
- #define _TIME_H_
- /* All the headers include this file. */
- #include <_mingw.h>
- #define __need_wchar_t
- #define __need_size_t
- #ifndef RC_INVOKED
- #include <stddef.h>
- #endif /* Not RC_INVOKED */
- /*
- * Need a definition of time_t.
- */
- #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: Normally this is defined by the above include of sys/types.h
- */
- #ifndef _TIME_T_DEFINED
- typedef long time_t;
- #define _TIME_T_DEFINED
- #endif
- /*
- * A type for measuring processor time (in clock ticks).
- */
- #ifndef _CLOCK_T_DEFINED
- typedef long clock_t;
- #define _CLOCK_T_DEFINED
- #endif
- /*
- * 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 */
- };
- #ifdef __cplusplus
- extern "C" {
- #endif
- clock_t clock (void);
- time_t time (time_t*);
- double difftime (time_t, time_t);
- time_t 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...
- */
- char* asctime (const struct tm*);
- char* ctime (const time_t*);
- struct tm* gmtime (const time_t*);
- struct tm* localtime (const time_t*);
- size_t strftime (char*, size_t, const char*, const struct tm*);
- size_t wcsftime (wchar_t*, size_t, const wchar_t*, const struct tm*);
- #ifndef __STRICT_ANSI__
- extern void _tzset (void);
- #ifndef _NO_OLDNAMES
- extern void tzset (void);
- #endif
- size_t strftime(char*, size_t, const char*, const struct tm*);
- char* _strdate(char*);
- char* _strtime(char*);
- #endif /* Not __STRICT_ANSI__ */
- /*
- * _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 int* __p__daylight (void);
- extern long* __p__timezone (void);
- extern char** __p__tzname (void);
- __MINGW_IMPORT int _daylight;
- __MINGW_IMPORT long _timezone;
- __MINGW_IMPORT char *_tzname[2];
- #else /* not __MSVCRT (ie. crtdll) */
- #ifndef __DECLSPEC_SUPPORTED
- extern int* __imp__daylight_dll;
- extern long* __imp__timezone_dll;
- extern char** __imp__tzname;
- #define _daylight (*__imp__daylight_dll)
- #define _timezone (*__imp__timezone_dll)
- #define _tzname (__imp__tzname)
- #else /* __DECLSPEC_SUPPORTED */
- __MINGW_IMPORT int _daylight_dll;
- __MINGW_IMPORT long _timezone_dll;
- __MINGW_IMPORT char* _tzname[2];
- #define _daylight _daylight_dll
- #define _timezone _timezone_dll
- #endif /* __DECLSPEC_SUPPORTED */
- #endif /* not __MSVCRT__ */
- #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];
- #ifndef _WTIME_DEFINED
- /* wide function prototypes, also declared in wchar.h */
- wchar_t * _wasctime(const struct tm*);
- wchar_t * _wctime(const time_t*);
- wchar_t* _wstrdate(wchar_t*);
- wchar_t* _wstrtime(wchar_t*);
- #define _WTIME_DEFINED
- #endif /* _WTIME_DEFINED */
- #else /* not __MSVCRT__ */
- /* CRTDLL is royally messed up when it comes to these macros.
- TODO: import and alias these via oldnames import library instead
- of macros. */
- #define daylight _daylight
- /* NOTE: timezone not defined because it would conflict with sys/timeb.h.
- Also, tzname used to a be macro, but now it's in moldname. */
- __MINGW_IMPORT char *tzname[2];
- #endif /* not __MSVCRT__ */
- #endif /* Not _NO_OLDNAMES */
- #ifdef __cplusplus
- }
- #endif
- #endif /* Not RC_INVOKED */
- #endif /* Not _TIME_H_ */
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