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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Generic timezone utilities.
*
* Copyright (C) 2000-2001 Ximian, Inc.
*
* Authors: Hans Petter Jansson <hpj@ximian.com>
*
* Largely based on Michael Fulbright's work on Anaconda.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <glib.h>
G_BEGIN_DECLS
#ifndef __sun
# define TZ_DATA_FILE "/usr/share/zoneinfo/zone.tab"
#else
# define TZ_DATA_FILE "/usr/share/lib/zoneinfo/tab/zone_sun.tab"
#endif
typedef struct _TzDB TzDB;
typedef struct _TzLocation TzLocation;
typedef struct _TzInfo TzInfo;
struct _TzDB
{
GPtrArray *locations;
GHashTable *backward;
};
struct _TzLocation
{
gchar *country;
gdouble latitude;
gdouble longitude;
gchar *zone;
gchar *comment;
gdouble dist; /* distance to clicked point for comparison */
};
/* see the glibc info page information on time zone information */
/* tzname_normal is the default name for the timezone */
/* tzname_daylight is the name of the zone when in daylight savings */
/* utc_offset is offset in seconds from utc */
/* daylight if non-zero then location obeys daylight savings */
struct _TzInfo
{
gchar *tzname_normal;
gchar *tzname_daylight;
glong utc_offset;
gint daylight;
};
TzDB *tz_load_db (void);
void tz_db_free (TzDB *db);
char * tz_info_get_clean_name (TzDB *tz_db,
const char *tz);
GPtrArray *tz_get_locations (TzDB *db);
void tz_location_get_position (TzLocation *loc,
double *longitude, double *latitude);
char *tz_location_get_country (TzLocation *loc);
gchar *tz_location_get_zone (TzLocation *loc);
gchar *tz_location_get_comment (TzLocation *loc);
glong tz_location_get_utc_offset (TzLocation *loc);
gint tz_location_set_locally (TzLocation *loc);
TzInfo *tz_info_from_location (TzLocation *loc);
void tz_info_free (TzInfo *tz_info);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (TzDB, tz_db_free)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (TzInfo, tz_info_free)
G_END_DECLS
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