use libtimezonemap

1 files changed, 0 insertions, 399 deletions

diff --git a/libmap/tz.c b/libmap/tz.c
deleted file mode 100644
index b77a8ef..0000000
--- a/libmap/tz.c
+++ /dev/null
@@ -1,399 +0,0 @@
-/* -*- 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-
-#include <glib.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-#include <math.h>
-#include <string.h>
-#include "tz.h"
-
-
-/* Forward declarations for private functions */
-
-static float convert_pos (gchar *pos, int digits);
-static int compare_country_names (const void *a, const void *b);
-static void sort_locations_by_country (GPtrArray *locations);
-static gchar * tz_data_file_get (void);
-
-
-/* ---------------- *
- * Public interface *
- * ---------------- */
-TzDB *
-tz_load_db (void)
-{
-	gchar *tz_data_file;
-	TzDB *tz_db;
-	FILE *tzfile;
-	char buf[4096];
-
-	tz_data_file = tz_data_file_get ();
-	if (!tz_data_file) {
-		g_warning ("Could not get the TimeZone data file name");
-		return NULL;
-	}
-	tzfile = fopen (tz_data_file, "r");
-	if (!tzfile) {
-		g_warning ("Could not open *%s*\n", tz_data_file);
-		g_free (tz_data_file);
-		return NULL;
-	}
-
-	tz_db = g_new0 (TzDB, 1);
-	tz_db->locations = g_ptr_array_new ();
-
-	while (fgets (buf, sizeof(buf), tzfile))
-	{
-		gchar **tmpstrarr;
-		gchar *latstr, *lngstr, *p;
-		TzLocation *loc;
-
-		if (*buf == '#') continue;
-
-		g_strchomp(buf);
-		tmpstrarr = g_strsplit(buf,"\t", 6);
-		
-		latstr = g_strdup (tmpstrarr[1]);
-		p = latstr + 1;
-		while (*p != '-' && *p != '+') p++;
-		lngstr = g_strdup (p);
-		*p = '\0';
-		
-		loc = g_new0 (TzLocation, 1);
-		loc->country = g_strdup (tmpstrarr[0]);
-		loc->zone = g_strdup (tmpstrarr[2]);
-		loc->latitude  = convert_pos (latstr, 2);
-		loc->longitude = convert_pos (lngstr, 3);
-		
-#ifdef __sun
-		if (tmpstrarr[3] && *tmpstrarr[3] == '-' && tmpstrarr[4])
-			loc->comment = g_strdup (tmpstrarr[4]);
-
-		if (tmpstrarr[3] && *tmpstrarr[3] != '-' && !islower(loc->zone)) {
-			TzLocation *locgrp;
-
-			/* duplicate entry */
-			locgrp = g_new0 (TzLocation, 1);
-			locgrp->country = g_strdup (tmpstrarr[0]);
-			locgrp->zone = g_strdup (tmpstrarr[3]);
-			locgrp->latitude  = convert_pos (latstr, 2);
-			locgrp->longitude = convert_pos (lngstr, 3);
-			locgrp->comment = (tmpstrarr[4]) ? g_strdup (tmpstrarr[4]) : NULL;
-
-			g_ptr_array_add (tz_db->locations, (gpointer) locgrp);
-		}
-#else
-		loc->comment = (tmpstrarr[3]) ? g_strdup(tmpstrarr[3]) : NULL;
-#endif
-
-		g_ptr_array_add (tz_db->locations, (gpointer) loc);
-
-		g_free (latstr);
-		g_free (lngstr);
-		g_strfreev (tmpstrarr);
-	}
-	
-	fclose (tzfile);
-	
-	/* now sort by country */
-	sort_locations_by_country (tz_db->locations);
-	
-	g_free (tz_data_file);
-	
-	return tz_db;
-}    
-
-static void
-tz_location_free (TzLocation *loc)
-{
-	g_free (loc->country);
-	g_free (loc->zone);
-	g_free (loc->comment);
-
-	g_free (loc);
-}
-
-void
-tz_db_free (TzDB *db)
-{
-	g_ptr_array_foreach (db->locations, (GFunc) tz_location_free, NULL);
-	g_ptr_array_free (db->locations, TRUE);
-	g_free (db);
-}
-
-static gint
-sort_locations (TzLocation *a,
-                TzLocation *b)
-{
-  if (a->dist > b->dist)
-    return 1;
-
-  if (a->dist < b->dist)
-    return -1;
-
-  return 0;
-}
-
-static gdouble
-convert_longtitude_to_x (gdouble longitude, gint map_width)
-{
-  const gdouble xdeg_offset = -6;
-  gdouble x;
-
-  x = (map_width * (180.0 + longitude) / 360.0)
-    + (map_width * xdeg_offset / 180.0);
-
-  return x;
-}
-
-static gdouble
-radians (gdouble degrees)
-{
-  return (degrees / 360.0) * G_PI * 2;
-}
-
-static gdouble
-convert_latitude_to_y (gdouble latitude, gdouble map_height)
-{
-  gdouble bottom_lat = -59;
-  gdouble top_lat = 81;
-  gdouble top_per, y, full_range, top_offset, map_range;
-
-  top_per = top_lat / 180.0;
-  y = 1.25 * log (tan (G_PI_4 + 0.4 * radians (latitude)));
-  full_range = 4.6068250867599998;
-  top_offset = full_range * top_per;
-  map_range = fabs (1.25 * log (tan (G_PI_4 + 0.4 * radians (bottom_lat))) - top_offset);
-  y = fabs (y - top_offset);
-  y = y / map_range;
-  y = y * map_height;
-  return y;
-}
-
-GPtrArray *
-tz_get_locations (TzDB *db)
-{
-	return db->locations;
-}
-
-
-gchar *
-tz_location_get_country (TzLocation *loc)
-{
-	return loc->country;
-}
-
-
-gchar *
-tz_location_get_zone (TzLocation *loc)
-{
-	return loc->zone;
-}
-
-
-gchar *
-tz_location_get_comment (TzLocation *loc)
-{
-	return loc->comment;
-}
-
-
-void
-tz_location_get_position (TzLocation *loc, double *longitude, double *latitude)
-{
-	*longitude = loc->longitude;
-	*latitude = loc->latitude;
-}
-
-glong
-tz_location_get_utc_offset (TzLocation *loc)
-{
-	TzInfo *tz_info;
-	glong offset;
-
-	tz_info = tz_info_from_location (loc);
-	offset = tz_info->utc_offset;
-	tz_info_free (tz_info);
-	return offset;
-}
-
-gint
-tz_location_set_locally (TzLocation *loc)
-{
-	time_t curtime;
-	struct tm *curzone;
-	gboolean is_dst = FALSE;
-	gint correction = 0;
-
-	g_return_val_if_fail (loc != NULL, 0);
-	g_return_val_if_fail (loc->zone != NULL, 0);
-	
-	curtime = time (NULL);
-	curzone = localtime (&curtime);
-	is_dst = curzone->tm_isdst;
-
-	setenv ("TZ", loc->zone, 1);
-#if 0
-	curtime = time (NULL);
-	curzone = localtime (&curtime);
-
-	if (!is_dst && curzone->tm_isdst) {
-		correction = (60 * 60);
-	}
-	else if (is_dst && !curzone->tm_isdst) {
-		correction = 0;
-	}
-#endif
-
-	return correction;
-}
-
-TzInfo *
-tz_info_from_location (TzLocation *loc)
-{
-	TzInfo *tzinfo;
-	time_t curtime;
-	struct tm *curzone;
-	
-	g_return_val_if_fail (loc != NULL, NULL);
-	g_return_val_if_fail (loc->zone != NULL, NULL);
-	
-	setenv ("TZ", loc->zone, 1);
-	
-#if 0
-	tzset ();
-#endif
-	tzinfo = g_new0 (TzInfo, 1);
-
-	curtime = time (NULL);
-	curzone = localtime (&curtime);
-
-#ifndef __sun
-	/* Currently this solution doesnt seem to work - I get that */
-	/* America/Phoenix uses daylight savings, which is wrong    */
-	tzinfo->tzname_normal = g_strdup (curzone->tm_zone);
-	if (curzone->tm_isdst) 
-		tzinfo->tzname_daylight =
-			g_strdup (&curzone->tm_zone[curzone->tm_isdst]);
-	else
-		tzinfo->tzname_daylight = NULL;
-
-	tzinfo->utc_offset = curzone->tm_gmtoff;
-#else
-	tzinfo->tzname_normal = NULL;
-	tzinfo->tzname_daylight = NULL;
-	tzinfo->utc_offset = 0;
-#endif
-
-	tzinfo->daylight = curzone->tm_isdst;
-	
-	return tzinfo;
-}
-
-
-void
-tz_info_free (TzInfo *tzinfo)
-{
-	g_return_if_fail (tzinfo != NULL);
-	
-	if (tzinfo->tzname_normal) g_free (tzinfo->tzname_normal);
-	if (tzinfo->tzname_daylight) g_free (tzinfo->tzname_daylight);
-	g_free (tzinfo);
-}
-
-/* ----------------- *
- * Private functions *
- * ----------------- */
-
-static gchar *
-tz_data_file_get (void)
-{
-	gchar *file;
-
-	file = g_strdup (TZ_DATA_FILE);
-
-	return file;
-}
-
-static float
-convert_pos (gchar *pos, int digits)
-{
-	gchar whole[10];
-	gchar *fraction;
-	gint i;
-	float t1, t2;
-	
-	if (!pos || strlen(pos) < 4 || digits > 9) return 0.0;
-	
-	for (i = 0; i < digits + 1; i++) whole[i] = pos[i];
-	whole[i] = '\0';
-	fraction = pos + digits + 1;
-
-	t1 = g_strtod (whole, NULL);
-	t2 = g_strtod (fraction, NULL);
-
-	if (t1 >= 0.0) return t1 + t2/pow (10.0, strlen(fraction));
-	else return t1 - t2/pow (10.0, strlen(fraction));
-}
-
-
-#if 0
-
-/* Currently not working */
-static void
-free_tzdata (TzLocation *tz)
-{
-	
-	if (tz->country)
-	  g_free(tz->country);
-	if (tz->zone)
-	  g_free(tz->zone);
-	if (tz->comment)
-	  g_free(tz->comment);
-	
-	g_free(tz);
-}
-#endif
-
-
-static int
-compare_country_names (const void *a, const void *b)
-{
-	const TzLocation *tza = * (TzLocation **) a;
-	const TzLocation *tzb = * (TzLocation **) b;
-	
-	return strcmp (tza->zone, tzb->zone);
-}
-
-
-static void
-sort_locations_by_country (GPtrArray *locations)
-{
-	qsort (locations->pdata, locations->len, sizeof (gpointer),
-	       compare_country_names);
-}