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Diffstat (limited to 'winsup/mingw/include/time.h')
| -rw-r--r-- | winsup/mingw/include/time.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/winsup/mingw/include/time.h b/winsup/mingw/include/time.h new file mode 100644 index 00000000000..8a29efac898 --- /dev/null +++ b/winsup/mingw/include/time.h @@ -0,0 +1,220 @@ +/* + * time.h + * + * Date and time functions and types. + * + * This file is part of the Mingw32 package. + * + * Contributors: + * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp> + * + * 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. + * + * $Revision$ + * $Author$ + * $Date$ + * + */ + +#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 */ + +/* + * 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 + +__BEGIN_CSTD_NAMESPACE + +/* + * 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 */ +}; + + +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*); + +__END_CSTD_NAMESPACE +__BEGIN_CGLOBAL_NAMESPACE + +#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 */ + +__END_CGLOBAL_NAMESPACE + +#endif /* Not RC_INVOKED */ + +#endif /* Not _TIME_H_ */ + |