postgresql/src/include/pgtime.h

74 lines
1.8 KiB
C

/*-------------------------------------------------------------------------
*
* pgtime.h
* PostgreSQL internal timezone library
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/include/pgtime.h,v 1.1 2004/05/21 05:08:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef _PGTIME_H
#define _PGTIME_H
#ifdef FRONTEND
/* Don't mess with anything for the frontends */
#include <time.h>
#else
/*
* Redefine functions and defines we implement, so we cause an
* error if someone tries to use the "base functions"
*/
#ifndef NO_REDEFINE_TIMEFUNCS
#define localtime DONOTUSETHIS_localtime
#define gmtime DONOTUSETHIS_gmtime
#define asctime DONOTUSETHIS_asctime
#define ctime DONOTUSETHIS_ctime
#define tzset DONOTUSETHIS_tzset
#define mktime DONOTUSETHIS_mktime
#define tzname DONOTUSETHIS_tzname
#define daylight DONOTUSETHIS_daylight
#define strftime DONOTUSETHIS_strftime
#endif
/* Then pull in default declarations, particularly time_t */
#include <time.h>
/*
* Now define prototype for our own timezone implementation
* structs and functions.
*/
struct pg_tm {
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
long int tm_gmtoff;
const char *tm_zone;
};
extern struct pg_tm *pg_localtime(const time_t *);
extern struct pg_tm *pg_gmtime(const time_t *);
extern time_t pg_mktime(struct pg_tm *);
extern bool pg_tzset(const char *tzname);
extern size_t pg_strftime(char *s, size_t max, const char *format,
const struct pg_tm *tm);
extern void pg_timezone_initialize(void);
extern bool tz_acceptable(void);
extern const char *select_default_timezone(void);
extern const char *pg_get_current_timezone(void);
#endif /* FRONTEND */
#endif /* _PGTIME_H */