Subversion Repositories Kolibri OS

/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */

#ifndef __dj_include_tzfile_h__

#define __dj_include_tzfile_h__

#ifdef __cplusplus

extern "C" {

#endif

#ifndef __dj_ENFORCE_ANSI_FREESTANDING

#ifndef __STRICT_ANSI__

#ifndef _POSIX_SOURCE

/*

 * Copyright (c) 1988 Regents of the University of California.

 * All rights reserved.

 *

 * This code is derived from software contributed to Berkeley by

 * Arthur David Olson of the National Cancer Institute.

 *

 * Redistribution and use in source and binary forms are permitted provided

 * that: (1) source distributions retain this entire copyright notice and

 * comment, and (2) distributions including binaries display the following

 * acknowledgement:  ``This product includes software developed by the

 * University of California, Berkeley and its contributors'' in the

 * documentation or other materials provided with the distribution and in

 * all advertising materials mentioning features or use of this software.

 * Neither the name of the University nor the names of its contributors may

 * be used to endorse or promote products derived from this software without

 * specific prior written permission.

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 *

 *      @(#)tzfile.h    5.9 (Berkeley) 6/11/90

 */

/*

** Information about time zone files.

*/

                        /* Time zone object file directory */

#define TZDIR           "/hd/1/menuetos/zoneinfo"

#define TZDEFAULT       "/hd/1/menuetos/localtim"

#define TZDEFRULES      "posixrul"

/*

** Each file begins with. . .

*/

struct tzhead {

        char    tzh_reserved[24];       /* reserved for future use */

        char    tzh_ttisstdcnt[4];      /* coded number of trans. time flags */

        char    tzh_leapcnt[4];         /* coded number of leap seconds */

        char    tzh_timecnt[4];         /* coded number of transition times */

        char    tzh_typecnt[4];         /* coded number of local time types */

        char    tzh_charcnt[4];         /* coded number of abbr. chars */

};

/*

** . . .followed by. . .

**

**      tzh_timecnt (char [4])s         coded transition times a la time(2)

**      tzh_timecnt (unsigned char)s    types of local time starting at above

**      tzh_typecnt repetitions of

**              one (char [4])          coded GMT offset in seconds

**              one (unsigned char)     used to set tm_isdst

**              one (unsigned char)     that's an abbreviation list index

**      tzh_charcnt (char)s             '\0'-terminated zone abbreviations

**      tzh_leapcnt repetitions of

**              one (char [4])          coded leap second transition times

**              one (char [4])          total correction after above

**      tzh_ttisstdcnt (char)s          indexed by type; if TRUE, transition

**                                      time is standard time, if FALSE,

**                                      transition time is wall clock time

**                                      if absent, transition times are

**                                      assumed to be wall clock time

*/

/*

** In the current implementation, "tzset()" refuses to deal with files that

** exceed any of the limits below.

*/

/*

** The TZ_MAX_TIMES value below is enough to handle a bit more than a

** year's worth of solar time (corrected daily to the nearest second) or

** 138 years of Pacific Presidential Election time

** (where there are three time zone transitions every fourth year).

*/

#define TZ_MAX_TIMES    370

#define NOSOLAR                 /* 4BSD doesn't currently handle solar time */

#ifndef NOSOLAR

#define TZ_MAX_TYPES    256     /* Limited by what (unsigned char)'s can hold */

#else

#define TZ_MAX_TYPES    10      /* Maximum number of local time types */

#endif

#define TZ_MAX_CHARS    50      /* Maximum number of abbreviation characters */

#define TZ_MAX_LEAPS    50      /* Maximum number of leap second corrections */

#define SECSPERMIN      60

#define MINSPERHOUR     60

#define HOURSPERDAY     24

#define DAYSPERWEEK     7

#define DAYSPERNYEAR    365

#define DAYSPERLYEAR    366

#define SECSPERHOUR     (SECSPERMIN * MINSPERHOUR)

#define SECSPERDAY      ((long) SECSPERHOUR * HOURSPERDAY)

#define MONSPERYEAR     12

#define TM_SUNDAY       0

#define TM_MONDAY       1

#define TM_TUESDAY      2

#define TM_WEDNESDAY    3

#define TM_THURSDAY     4

#define TM_FRIDAY       5

#define TM_SATURDAY     6

#define TM_JANUARY      0

#define TM_FEBRUARY     1

#define TM_MARCH        2

#define TM_APRIL        3

#define TM_MAY          4

#define TM_JUNE         5

#define TM_JULY         6

#define TM_AUGUST       7

#define TM_SEPTEMBER    8

#define TM_OCTOBER      9

#define TM_NOVEMBER     10

#define TM_DECEMBER     11

#define TM_YEAR_BASE    1900

#define EPOCH_YEAR      1970

#define EPOCH_WDAY      TM_THURSDAY

/*

** Accurate only for the past couple of centuries;

** that will probably do.

*/

#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)

#endif /* !_POSIX_SOURCE */

#endif /* !__STRICT_ANSI__ */

#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */

#ifndef __dj_ENFORCE_FUNCTION_CALLS

#endif /* !__dj_ENFORCE_FUNCTION_CALLS */

#ifdef __cplusplus

}

#endif

#endif /* __dj_include_tzfile_h__ */