include/time.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 1989, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  * (c) UNIX System Laboratories, Inc.
  27  * All or some portions of this file are derived from material licensed
  28  * to the University of California by American Telephone and Telegraph
  29  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  30  * the permission of UNIX System Laboratories, Inc.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)time.h      8.3 (Berkeley) 1/21/94
  61  */
  62
  63 #ifndef _TIME_H_
  64 #define _TIME_H_
  65
  66 #include <_types.h>
  67 #include <sys/_types/_clock_t.h>
  68 #include <sys/_types/_null.h>
  69 #include <sys/_types/_size_t.h>
  70 #include <sys/_types/_time_t.h>
  71 #include <sys/_types/_timespec.h>
  72
  73 struct tm {
  74         int     tm_sec;         /* seconds after the minute [0-60] */
  75         int     tm_min;         /* minutes after the hour [0-59] */
  76         int     tm_hour;        /* hours since midnight [0-23] */
  77         int     tm_mday;        /* day of the month [1-31] */
  78         int     tm_mon;         /* months since January [0-11] */
  79         int     tm_year;        /* years since 1900 */
  80         int     tm_wday;        /* days since Sunday [0-6] */
  81         int     tm_yday;        /* days since January 1 [0-365] */
  82         int     tm_isdst;       /* Daylight Savings Time flag */
  83         long    tm_gmtoff;      /* offset from CUT in seconds */
  84         char    *tm_zone;       /* timezone abbreviation */
  85 };
  86
  87 #if __DARWIN_UNIX03
  88 #define CLOCKS_PER_SEC  1000000 /* [XSI] */
  89 #else /* !__DARWIN_UNIX03 */
  90 #include <machine/_limits.h>    /* Include file containing CLK_TCK. */
  91
  92 #define CLOCKS_PER_SEC  (__DARWIN_CLK_TCK)
  93 #endif /* __DARWIN_UNIX03 */
  94
  95 #ifndef _ANSI_SOURCE
  96 extern char *tzname[];
  97 #endif
  98
  99 extern int getdate_err;
 100 #if __DARWIN_UNIX03
 101 //Begin-Libc
 102 #ifndef LIBC_ALIAS_TIMEZONE
 103 //End-Libc
 104 extern long timezone __DARWIN_ALIAS(timezone);
 105 //Begin-Libc
 106 #else /* LIBC_ALIAS_TIMEZONE */
 107 extern long timezone LIBC_ALIAS(timezone);
 108 #endif /* !LIBC_ALIAS_TIMEZONE */
 109 //End-Libc
 110 #endif /* __DARWIN_UNIX03 */
 111 extern int daylight;
 112
 113 __BEGIN_DECLS
 114 char *asctime(const struct tm *);
 115 //Begin-Libc
 116 #ifndef LIBC_ALIAS_CLOCK
 117 //End-Libc
 118 clock_t clock(void) __DARWIN_ALIAS(clock);
 119 //Begin-Libc
 120 #else /* LIBC_ALIAS_CLOCK */
 121 clock_t clock(void) LIBC_ALIAS(clock);
 122 #endif /* !LIBC_ALIAS_CLOCK */
 123 //End-Libc
 124 char *ctime(const time_t *);
 125 double difftime(time_t, time_t);
 126 struct tm *getdate(const char *);
 127 struct tm *gmtime(const time_t *);
 128 struct tm *localtime(const time_t *);
 129 //Begin-Libc
 130 #ifndef LIBC_ALIAS_MKTIME
 131 //End-Libc
 132 time_t mktime(struct tm *) __DARWIN_ALIAS(mktime);
 133 //Begin-Libc
 134 #else /* LIBC_ALIAS_MKTIME */
 135 time_t mktime(struct tm *) LIBC_ALIAS(mktime);
 136 #endif /* !LIBC_ALIAS_MKTIME */
 137 //End-Libc
 138 //Begin-Libc
 139 #ifndef LIBC_ALIAS_STRFTIME
 140 //End-Libc
 141 size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) __DARWIN_ALIAS(strftime);
 142 //Begin-Libc
 143 #else /* LIBC_ALIAS_STRFTIME */
 144 size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) LIBC_ALIAS(strftime);
 145 #endif /* !LIBC_ALIAS_STRFTIME */
 146 //End-Libc
 147 //Begin-Libc
 148 #ifndef LIBC_ALIAS_STRPTIME
 149 //End-Libc
 150 char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict) __DARWIN_ALIAS(strptime);
 151 //Begin-Libc
 152 #else /* LIBC_ALIAS_STRPTIME */
 153 char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict) LIBC_ALIAS(strptime);
 154 #endif /* !LIBC_ALIAS_STRPTIME */
 155 //End-Libc
 156 time_t time(time_t *);
 157
 158 #ifndef _ANSI_SOURCE
 159 void tzset(void);
 160 #endif /* not ANSI */
 161
 162 /* [TSF] Thread safe functions */
 163 char *asctime_r(const struct tm * __restrict, char * __restrict);
 164 char *ctime_r(const time_t *, char *);
 165 struct tm *gmtime_r(const time_t * __restrict, struct tm * __restrict);
 166 struct tm *localtime_r(const time_t * __restrict, struct tm * __restrict);
 167
 168 #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
 169 time_t posix2time(time_t);
 170 #if !__DARWIN_UNIX03
 171 char *timezone(int, int);
 172 #endif /* !__DARWIN_UNIX03 */
 173 void tzsetwall(void);
 174 time_t time2posix(time_t);
 175 time_t timelocal(struct tm * const);
 176 time_t timegm(struct tm * const);
 177 #endif /* neither ANSI nor POSIX */
 178
 179 #if !defined(_ANSI_SOURCE)
 180 //Begin-Libc
 181 #ifndef LIBC_ALIAS_NANOSLEEP
 182 //End-Libc
 183 int nanosleep(const struct timespec *, struct timespec *) __DARWIN_ALIAS_C(nanosleep);
 184 //Begin-Libc
 185 #else /* LIBC_ALIAS_NANOSLEEP */
 186 int nanosleep(const struct timespec *, struct timespec *) LIBC_ALIAS_C(nanosleep);
 187 #endif /* !LIBC_ALIAS_NANOSLEEP */
 188 //End-Libc
 189 #endif
 190 __END_DECLS
 191
 192 #ifdef _USE_EXTENDED_LOCALES_
 193 #include <xlocale/_time.h>
 194 #endif /* _USE_EXTENDED_LOCALES_ */
 195
 196 #endif /* !_TIME_H_ */