pgtz.c File Reference

#include "postgres.h"
#include <ctype.h>
#include <fcntl.h>
#include <time.h>
#include <dirent.h>
#include <common/hashfn.h>
#include <sys/stat.h>
#include "utils/timestamp_def.h"
#include "pgtz.h"
#include "../../include/meos.h"
#include <lib/simplehash.h>

Data Structures
struct	tzentry
	Structure to represent the timezone cache hash table, which extends the ENTRY structure used by hsearch https://man7.org/linux/man-pages/man3/hsearch.3.html with the additional field status required by simplehash More...

Macros
#define	SH_DECLARE
#define	SH_DEFINE
#define	SH_DESTROY   tzcache_destroy(tzcache)
#define	SH_ELEMENT_TYPE   tzentry
#define	SH_EQUAL(tb, a, b)   (strcmp(a, b) == 0)
#define	SH_HASH_KEY(tb, key)   hash_string_pointer(key)
#define	SH_KEY   key
#define	SH_KEY_TYPE   const char *
#define	SH_PREFIX   tzcache
#define	SH_RAW_ALLOCATOR   palloc0
#define	SH_SCOPE   static inline
#define	TZCACHE_INITIAL_SIZE   32

Functions
static uint32	hash_string_pointer (const char *s)
static bool	init_timezone_hashtable (void)
void	meos_finalize_timezone (void)
void	meos_initialize_timezone (const char *tz_str)
int	pg_open_tzfile (const char *name, char *canonname)
static const char *	pg_TZDIR (void)
pg_tz *	pg_tzset (const char *name)
pg_tz *	pg_tzset_offset (long gmtoffset)
struct dirent *	ReadDir (DIR *dir, const char *dirname)
static bool	scan_directory_ci (const char *dirname, const char *fname, int fnamelen, char *canonname, int canonnamelen)
const char *	select_default_timezone (const char *share_path)
static void	tzcache_my_destroy (tzcache_hash *tb)
	Destroy function to free the memory allocated for the hash table. More...

Variables
pg_tz *	session_timezone = NULL
static tzcache_hash *	timezone_cache = NULL