f6d43efe7a
Some issues still remain, and will require research in old POSIX standards if we care to get them right.
169 lines
5.2 KiB
C
169 lines
5.2 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)time.h 8.3 (Berkeley) 1/21/94
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*/
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/*
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* $FreeBSD$
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*/
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#ifndef _TIME_H_
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#define _TIME_H_
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#include <sys/cdefs.h>
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#include <machine/ansi.h>
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#if __POSIX_VISIBLE < 200112 || __BSD_VISIBLE
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/*
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* Frequency of the clock ticks reported by times(). Deprecated - use
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* sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.)
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*/
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#define CLK_TCK _BSD_CLK_TCK_
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#endif
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/* Frequency of the clock ticks reported by clock(). */
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#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_
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#ifndef NULL
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#define NULL 0
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#endif
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#ifdef _BSD_CLOCK_T_
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typedef _BSD_CLOCK_T_ clock_t;
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#undef _BSD_CLOCK_T_
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#endif
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#ifdef _BSD_TIME_T_
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typedef _BSD_TIME_T_ time_t;
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#undef _BSD_TIME_T_
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#endif
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#ifdef _BSD_SIZE_T_
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typedef _BSD_SIZE_T_ size_t;
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#undef _BSD_SIZE_T_
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#endif
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#if __POSIX_VISIBLE >= 199309
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/*
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* New in POSIX 1003.1b-1993.
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*/
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#ifdef _BSD_CLOCKID_T_
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typedef _BSD_CLOCKID_T_ clockid_t;
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#undef _BSD_CLOCKID_T_
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#endif
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#ifdef _BSD_TIMER_T_
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typedef _BSD_TIMER_T_ timer_t;
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#undef _BSD_TIMER_T_
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#endif
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#include <sys/timespec.h>
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#endif /* __POSIX_VISIBLE >= 199309 */
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struct tm {
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int tm_sec; /* seconds after the minute [0-60] */
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int tm_min; /* minutes after the hour [0-59] */
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int tm_hour; /* hours since midnight [0-23] */
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int tm_mday; /* day of the month [1-31] */
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int tm_mon; /* months since January [0-11] */
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int tm_year; /* years since 1900 */
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int tm_wday; /* days since Sunday [0-6] */
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int tm_yday; /* days since January 1 [0-365] */
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int tm_isdst; /* Daylight Savings Time flag */
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long tm_gmtoff; /* offset from UTC in seconds */
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char *tm_zone; /* timezone abbreviation */
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};
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#if __POSIX_VISIBLE
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extern char *tzname[];
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#endif
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__BEGIN_DECLS
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char *asctime(const struct tm *);
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clock_t clock(void);
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char *ctime(const time_t *);
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double difftime(time_t, time_t);
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struct tm *gmtime(const time_t *);
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struct tm *localtime(const time_t *);
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time_t mktime(struct tm *);
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size_t strftime(char *, size_t, const char *, const struct tm *);
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time_t time(time_t *);
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#if __BSD_VISIBLE /* XXX what are these? */
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time_t _time32_to_time(__int32_t t32);
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__int32_t _time_to_time32(time_t t);
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time_t _time64_to_time(__int64_t t64);
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__int64_t _time_to_time64(time_t t);
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long _time_to_long(time_t t);
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time_t _long_to_time(long tlong);
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int _time_to_int(time_t t);
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time_t _int_to_time(int tint);
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#endif /* not ANSI */
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#if __POSIX_VISIBLE
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void tzset(void);
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/* XXX - figure out which standard introduced these */
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char *asctime_r(const struct tm *, char *);
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char *ctime_r(const time_t *, char *);
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struct tm *gmtime_r(const time_t *, struct tm *);
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struct tm *localtime_r(const time_t *, struct tm *);
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#endif
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#if __XSI_VISIBLE
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char *strptime(const char *, const char *, struct tm *);
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#endif
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#if __BSD_VISIBLE
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char *timezone(int, int);
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void tzsetwall(void);
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time_t timelocal(struct tm * const);
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time_t timegm(struct tm * const);
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#endif /* __BSD_VISIBLE */
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#if __POSIX_VISIBLE >= 199309
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/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
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int clock_getres(clockid_t, struct timespec *);
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int clock_gettime(clockid_t, struct timespec *);
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int clock_settime(clockid_t, const struct timespec *);
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int nanosleep(const struct timespec *, struct timespec *);
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#endif /* __POSIX_VISIBLE >= 199309 */
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__END_DECLS
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#endif /* !_TIME_H_ */
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