2004-05-21 07:08:06 +02:00
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/*-------------------------------------------------------------------------
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*
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* pgtz.h
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* Timezone Library Integration Functions
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*
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* Note: this file contains only definitions that are private to the
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* timezone library. Public definitions are in pgtime.h.
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*
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2010-01-02 17:58:17 +01:00
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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2004-05-21 07:08:06 +02:00
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*
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* IDENTIFICATION
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2010-01-02 17:58:17 +01:00
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* $PostgreSQL: pgsql/src/timezone/pgtz.h,v 1.25 2010/01/02 16:58:16 momjian Exp $
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2004-05-21 07:08:06 +02:00
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef _PGTZ_H
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#define _PGTZ_H
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2004-04-30 06:09:23 +02:00
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2005-04-19 05:13:59 +02:00
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#include "tzfile.h"
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2006-07-11 15:54:25 +02:00
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#include "pgtime.h"
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2005-04-19 05:13:59 +02:00
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2004-04-30 22:01:39 +02:00
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2005-04-19 05:13:59 +02:00
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#define BIGGEST(a, b) (((a) > (b)) ? (a) : (b))
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struct ttinfo
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{ /* time type information */
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long tt_gmtoff; /* UTC offset in seconds */
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int tt_isdst; /* used to set tm_isdst */
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int tt_abbrind; /* abbreviation list index */
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int tt_ttisstd; /* TRUE if transition is std time */
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int tt_ttisgmt; /* TRUE if transition is UTC */
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};
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struct lsinfo
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{ /* leap second information */
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pg_time_t ls_trans; /* transition time */
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long ls_corr; /* correction to apply */
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};
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struct state
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{
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int leapcnt;
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int timecnt;
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int typecnt;
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int charcnt;
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2008-02-16 22:16:04 +01:00
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int goback;
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int goahead;
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2005-04-19 05:13:59 +02:00
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pg_time_t ats[TZ_MAX_TIMES];
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unsigned char types[TZ_MAX_TIMES];
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struct ttinfo ttis[TZ_MAX_TYPES];
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2005-10-15 04:49:52 +02:00
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char chars[BIGGEST(BIGGEST(TZ_MAX_CHARS + 1, 3 /* sizeof gmt */ ),
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2005-04-19 05:13:59 +02:00
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(2 * (TZ_STRLEN_MAX + 1)))];
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struct lsinfo lsis[TZ_MAX_LEAPS];
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};
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2005-10-15 04:49:52 +02:00
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struct pg_tz
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{
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2006-10-16 21:58:27 +02:00
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/* TZname contains the canonically-cased name of the timezone */
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2005-10-15 04:49:52 +02:00
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char TZname[TZ_STRLEN_MAX + 1];
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2005-04-19 05:13:59 +02:00
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struct state state;
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};
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2006-10-16 21:58:27 +02:00
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/* in pgtz.c */
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extern int pg_open_tzfile(const char *name, char *canonname);
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/* in localtime.c */
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2009-06-11 16:49:15 +02:00
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extern int tzload(const char *name, char *canonname, struct state * sp,
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int doextend);
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2007-11-15 22:14:46 +01:00
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extern int tzparse(const char *name, struct state * sp, int lastditch);
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2005-04-19 05:13:59 +02:00
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2004-05-21 14:30:25 +02:00
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#endif /* _PGTZ_H */
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