pgtz.h File Reference

#include "pgtime.h"
#include "tzfile.h"

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Data Structures
struct	ttinfo
struct	lsinfo
struct	state
struct	pg_tz

Macros
#define	TZ_RUNTIME_LEAPS   1
#define	TZNAME_MAXIMUM   254

Typedefs
typedef unsigned char	desigidx_type
typedef int_fast32_t	int_fast32_2s

Enumerations
enum	{ CHARS_EXTRA = Max(sizeof UNSPEC, 2) - 1 }

Functions
int	pg_open_tzfile (const char *name, char *canonname)
bool	pg_tzload (const char *name, char *canonname, struct state *sp)

Variables
static char const	UNSPEC [] = "-00"

Macro Definition Documentation

TZ_RUNTIME_LEAPS

#define TZ_RUNTIME_LEAPS   1

Definition at line 26 of file pgtz.h.

TZNAME_MAXIMUM

#define TZNAME_MAXIMUM   254

Definition at line 37 of file pgtz.h.

Typedef Documentation

desigidx_type

typedef unsigned char desigidx_type

Definition at line 39 of file pgtz.h.

int_fast32_2s

typedef int_fast32_t int_fast32_2s

Definition at line 45 of file pgtz.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
CHARS_EXTRA

Definition at line 72 of file pgtz.h.

{
CHARS_EXTRA = Max(sizeof UNSPEC, 2) - 1};

Function Documentation

pg_open_tzfile()

int pg_open_tzfile ( const char *  name, char *  canonname  )

extern

Definition at line 65 of file findtimezone.c.

{
    char        fullname[MAXPGPATH];
 
    if (canonname)
        strlcpy(canonname, name, TZ_STRLEN_MAX + 1);
 
    strlcpy(fullname, pg_TZDIR(), sizeof(fullname));
    if (strlen(fullname) + 1 + strlen(name) >= MAXPGPATH)
        return -1;              /* not gonna fit */
    strcat(fullname, "/");
    strcat(fullname, name);
 
    return open(fullname, O_RDONLY | PG_BINARY, 0);
}

References fb(), MAXPGPATH, name, PG_BINARY, pg_TZDIR(), pg_TZDIR(), result, scan_directory_ci(), strlcpy(), and TZ_STRLEN_MAX.

Referenced by tzloadbody().

pg_tzload()

bool pg_tzload ( const char *  name, char *  canonname, struct state *  sp  )

extern

Definition at line 1590 of file localtime.c.

{
    if (strcmp(name, "GMT") == 0)
    {
        gmtload(sp);
        /* Use given name as canonical */
        if (canonname)
            strcpy(canonname, name);
    }
    else if (tzload(name, canonname, sp, TZLOAD_TZSTRING) != 0)
    {
        if (name[0] == ':' || !tzparse(name, sp, NULL))
        {
            /* Unknown timezone. Fail our call instead of loading GMT! */
            return false;
        }
        /* For POSIX timezone specs, use given name as canonical */
        if (canonname)
            strcpy(canonname, name);
    }
    return true;
}

References fb(), gmtload(), name, tzload(), TZLOAD_TZSTRING, and tzparse().

Referenced by pg_load_tz(), pg_tzenumerate_next(), and pg_tzset().

Variable Documentation

UNSPEC

char const UNSPEC[] = "-00"

static

Definition at line 64 of file pgtz.h.