86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/* Generic timezone utilities.
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*
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* Copyright (C) 2000-2001 Ximian, Inc.
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*
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* Authors: Hans Petter Jansson <hpj@ximian.com>
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*
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* Largely based on Michael Fulbright's work on Anaconda.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _E_TZ_H
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#define _E_TZ_H
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#include <glib.h>
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#define TZ_DATA_FILE "/usr/share/zoneinfo/zone.tab"
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typedef struct _TzDB TzDB;
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typedef struct _TzLocation TzLocation;
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typedef struct _TzInfo TzInfo;
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gchar *get_widgets_datadir();
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struct _TzDB
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{
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GPtrArray *locations;
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GHashTable *backward;
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};
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struct _TzLocation
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{
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gchar *country;
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gdouble latitude;
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gdouble longitude;
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gchar *zone;
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gchar *comment;
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gdouble dist; /* distance to clicked point for comparison */
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};
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/* see the glibc info page information on time zone information */
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/* tzname_normal is the default name for the timezone */
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/* tzname_daylight is the name of the zone when in daylight savings */
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/* utc_offset is offset in seconds from utc */
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/* daylight if non-zero then location obeys daylight savings */
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struct _TzInfo
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{
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gchar *tzname_normal;
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gchar *tzname_daylight;
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glong utc_offset;
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gint daylight;
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};
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TzDB *tz_load_db (void);
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void tz_db_free (TzDB *db);
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char * tz_info_get_clean_name (TzDB *tz_db,
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const char *tz);
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GPtrArray *tz_get_locations (TzDB *db);
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void tz_location_get_position (TzLocation *loc,
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double *longitude, double *latitude);
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char *tz_location_get_country (TzLocation *loc);
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gchar *tz_location_get_zone (TzLocation *loc);
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gchar *tz_location_get_comment (TzLocation *loc);
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glong tz_location_get_utc_offset (TzLocation *loc);
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gint tz_location_set_locally (TzLocation *loc);
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TzInfo *tz_info_from_location (TzLocation *loc);
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void tz_info_free (TzInfo *tz_info);
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#endif
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