| /* |
| * R : A Computer Language for Statistical Data Analysis |
| * Copyright (C) 2007-2018 The R Core Team |
| * |
| * 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, a copy is available at |
| * https://www.R-project.org/Licenses/ |
| */ |
| |
| #include <string.h> |
| |
| /* |
| From http://unicode.org/cldr/data/diff/supplemental/windows_tzid.html |
| Added some entries from the XP Registry (and checked on Vista). |
| Table updated from Unicode in August 2015. |
| */ |
| const static struct { |
| const wchar_t * const reg; |
| const char * const Olson; |
| } TZtable[] = { |
| { L"Afghanistan Standard Time", "Asia/Kabul" }, |
| { L"Alaskan Standard Time", "America/Anchorage" }, |
| { L"Arab Standard Time", "Asia/Riyadh" }, |
| { L"Arabian Standard Time", "Asia/Bahrain" }, |
| { L"Arabic Standard Time", "Asia/Baghdad" }, |
| { L"Armenian Standard Time", "Asia/Yerevan" }, |
| { L"Atlantic Standard Time", "America/Curacao" }, |
| { L"AUS Central Standard Time", "Australia/Darwin" }, |
| { L"AUS Eastern Standard Time", "Australia/Sydney" }, |
| { L"Azerbaijan Standard Time", "Asia/Baku" }, |
| { L"Azores Standard Time", "Atlantic/Azores" }, |
| { L"Canada Central Standard Time", "America/Regina" }, |
| { L"Cape Verde Standard Time", "Atlantic/Cape_Verde" }, |
| { L"Caucasus Standard Time", "Asia/Yerevan" }, |
| { L"Cen. Australia Standard Time", "Australia/Adelaide" }, |
| { L"Central America Standard Time", "America/Guatemala" }, |
| { L"Central Asia Standard Time", "Asia/Dhaka" }, |
| { L"Central Brazilian Standard Time", "America/Manaus" }, |
| { L"Central Europe Standard Time", "Europe/Prague" }, |
| { L"Central European Standard Time", "Europe/Warsaw" }, |
| { L"Central Pacific Standard Time", "Pacific/Guadalcanal" }, |
| { L"Central Standard Time", "America/Chicago" }, |
| { L"Central Standard Time (Mexico)", "America/Mexico_City" }, |
| { L"China Standard Time", "Asia/Taipei" }, |
| { L"Dateline Standard Time", "Pacific/Kwajalein" }, |
| { L"E. Africa Standard Time", "Africa/Nairobi" }, |
| { L"E. Australia Standard Time", "Australia/Brisbane" }, |
| { L"E. Europe Standard Time", "Europe/Minsk" }, |
| { L"E. South America Standard Time", "America/Sao_Paulo" }, |
| { L"Eastern Standard Time", "America/New_York" }, |
| { L"Egypt Standard Time", "Africa/Cairo" }, |
| { L"Ekaterinburg Standard Time", "Asia/Yekaterinburg" }, |
| { L"Fiji Standard Time", "Pacific/Fiji" }, |
| { L"FLE Standard Time", "Europe/Helsinki" }, |
| { L"Georgian Standard Time", "Asia/Tbilisi" }, |
| { L"GMT Standard Time", "Europe/London" }, |
| { L"Greenland Standard Time", "America/Godthab" }, |
| { L"Greenwich Standard Time", "Africa/Casablanca" }, |
| { L"GTB Standard Time", "Europe/Istanbul" }, |
| { L"Hawaiian Standard Time", "Pacific/Honolulu" }, |
| { L"India Standard Time", "Asia/Calcutta" }, |
| { L"Iran Standard Time", "Asia/Tehran" }, |
| /* next is name of timezone, not of Std */ |
| { L"Israel Standard Time", "Asia/Jerusalem" }, |
| { L"Jerusalem Standard Time", "Asia/Jerusalem" }, |
| { L"Jordan Standard Time", "Asia/Amman" }, |
| { L"Korea Standard Time", "Asia/Seoul" }, |
| { L"Malay Peninsula Standard Time", "Asia/Kuala_Lumpur" }, |
| { L"Mexico Standard Time", "America/Mexico_City" }, |
| { L"Mexico Standard Time 2", "America/Chihuahua" }, |
| { L"Mid-Atlantic Standard Time", "America/Noronha" }, |
| { L"Middle East Standard Time", "Asia/Beirut" }, |
| { L"Montevideo Standard Time", "America/Montevideo" }, |
| { L"Mountain Standard Time", "America/Denver" }, |
| { L"Mountain Standard Time (Mexico)", "America/Chihuahua" }, |
| { L"Myanmar Standard Time", "Asia/Rangoon" }, |
| { L"N. Central Asia Standard Time", "Asia/Novosibirsk" }, |
| { L"Namibia Standard Time", "Africa/Windhoek" }, |
| { L"Nepal Standard Time", "Asia/Katmandu" }, |
| { L"New Zealand Standard Time", "Pacific/Auckland" }, |
| { L"Newfoundland Standard Time", "America/St_Johns" }, |
| { L"North Asia East Standard Time", "Asia/Ulaanbaatar" }, |
| { L"North Asia Standard Time", "Asia/Krasnoyarsk" }, |
| { L"Pacific SA Standard Time", "America/Santiago" }, |
| { L"Pacific Standard Time", "America/Los_Angeles" }, |
| { L"Pacific Standard Time (Mexico)", "America/Tijuana" }, |
| { L"Romance Standard Time", "Europe/Paris" }, |
| { L"Russian Standard Time", "Europe/Moscow" }, |
| { L"SA Eastern Standard Time", "America/Buenos_Aires" }, |
| { L"SA Pacific Standard Time", "America/Bogota" }, |
| { L"SA Western Standard Time", "America/Caracas" }, |
| { L"Samoa Standard Time", "Pacific/Apia" }, |
| { L"SE Asia Standard Time", "Asia/Bangkok" }, |
| /* next is name of timezone, not of Std */ |
| { L"Singapore Standard Time", "Asia/Kuala_Lumpur" }, |
| { L"South Africa Standard Time", "Africa/Johannesburg" }, |
| { L"Sri Lanka Standard Time", "Asia/Colombo" }, |
| { L"Taipei Standard Time", "Asia/Taipei" }, |
| { L"Tasmania Standard Time", "Australia/Hobart" }, |
| { L"Tokyo Standard Time", "Asia/Tokyo" }, |
| { L"Tonga Standard Time", "Pacific/Tongatapu" }, |
| { L"US Eastern Standard Time", "America/Indianapolis" }, |
| { L"US Mountain Standard Time", "America/Phoenix" }, |
| { L"Venezuela Standard Time", "America/Caracas" }, |
| { L"Vladivostok Standard Time", "Asia/Vladivostok" }, |
| { L"W. Australia Standard Time", "Australia/Perth" }, |
| { L"W. Central Africa Standard Time", "Africa/Lagos" }, |
| { L"W. Europe Standard Time", "Europe/Berlin" }, |
| { L"West Asia Standard Time", "Asia/Karachi" }, |
| { L"West Pacific Standard Time", "Pacific/Guam" }, |
| { L"Yakutsk Standard Time", "Asia/Yakutsk" }, |
| |
| /* The ones below do not occur on BDR's XP machine */ |
| { L"Acre Standard Time", "America/Rio_Branco" }, |
| { L"Africa_Central Standard Time", "Africa/Kigali" }, |
| { L"Africa_Eastern Standard Time", "Africa/Kampala" }, |
| { L"Africa_FarWestern Standard Time", "Africa/El_Aaiun" }, |
| { L"Africa_Southern Standard Time", "Africa/Johannesburg" }, |
| { L"Africa_Western Standard Time", "Africa/Niamey" }, |
| { L"Aktyubinsk Standard Time", "Asia/Aqtobe" }, |
| { L"Alaska Standard Time", "America/Juneau" }, |
| { L"Alaska_Hawaii Standard Time", "America/Anchorage" }, |
| { L"Almaty Standard Time", "Asia/Almaty" }, |
| { L"Amazon Standard Time", "America/Manaus" }, |
| { L"America_Central Standard Time", "America/Winnipeg" }, |
| { L"America_Eastern Standard Time", "America/Panama" }, |
| { L"America_Mountain Standard Time", "America/Edmonton" }, |
| { L"America_Pacific Standard Time", "America/Vancouver" }, |
| { L"Anadyr Standard Time", "Asia/Anadyr" }, |
| { L"Aqtau Standard Time", "Asia/Aqtau" }, |
| { L"Aqtobe Standard Time", "Asia/Aqtobe" }, |
| { L"Argentina Standard Time", "America/Buenos_Aires" }, |
| { L"Argentina_Western Standard Time", "America/Mendoza" }, |
| { L"Armenia Standard Time", "Asia/Yerevan" }, |
| { L"Ashkhabad Standard Time", "Asia/Ashgabat" }, |
| { L"Australia_Central Standard Time", "Australia/Adelaide" }, |
| { L"Australia_CentralWestern Standard Time", "Australia/Eucla" }, |
| { L"Australia_Eastern Standard Time", "Australia/Sydney" }, |
| { L"Australia_Western Standard Time", "Australia/Perth" }, |
| { L"Baku Standard Time", "Asia/Baku" }, |
| { L"Bangladesh Standard Time", "Asia/Dhaka" }, |
| { L"Bering Standard Time", "America/Adak" }, |
| { L"Bhutan Standard Time", "Asia/Thimphu" }, |
| { L"Bolivia Standard Time", "America/La_Paz" }, |
| { L"Borneo Standard Time", "Asia/Kuching" }, |
| { L"Brasilia Standard Time", "America/Sao_Paulo" }, |
| { L"British Standard Time", "Europe/London" }, |
| { L"Brunei Standard Time", "Asia/Brunei" }, |
| { L"Chamorro Standard Time", "Pacific/Guam" }, |
| { L"Changbai Standard Time", "Asia/Harbin" }, |
| { L"Chatham Standard Time", "Pacific/Chatham" }, |
| { L"Chile Standard Time", "America/Santiago" }, |
| { L"Choibalsan Standard Time", "Asia/Choibalsan" }, |
| { L"Christmas Standard Time", "Indian/Christmas" }, |
| { L"Cocos Standard Time", "Indian/Cocos" }, |
| { L"Colombia Standard Time", "America/Bogota" }, |
| { L"Cook Standard Time", "Pacific/Rarotonga" }, |
| { L"Cuba Standard Time", "America/Havana" }, |
| { L"Dacca Standard Time", "Asia/Dhaka" }, |
| { L"Davis Standard Time", "Antarctica/Davis" }, |
| { L"Dominican Standard Time", "America/Santo_Domingo" }, |
| { L"DumontDUrville Standard Time", "Antarctica/DumontDUrville" }, |
| { L"Dushanbe Standard Time", "Asia/Dushanbe" }, |
| { L"Dutch_Guiana Standard Time", "America/Paramaribo" }, |
| { L"East_Timor Standard Time", "Asia/Dili" }, |
| { L"Easter Standard Time", "Pacific/Easter" }, |
| { L"Ecuador Standard Time", "America/Guayaquil" }, |
| { L"Europe_Central Standard Time", "Europe/Oslo" }, |
| { L"Europe_Eastern Standard Time", "Europe/Vilnius" }, |
| { L"Europe_Western Standard Time", "Atlantic/Canary" }, |
| { L"Falkland Standard Time", "Atlantic/Stanley" }, |
| { L"French_Guiana Standard Time", "America/Cayenne" }, |
| { L"French_Southern Standard Time", "Indian/Kerguelen" }, |
| { L"Frunze Standard Time", "Asia/Bishkek" }, |
| { L"Galapagos Standard Time", "Pacific/Galapagos" }, |
| { L"Gambier Standard Time", "Pacific/Gambier" }, |
| { L"Georgia Standard Time", "Asia/Tbilisi" }, |
| { L"Gilbert_Islands Standard Time", "Pacific/Tarawa" }, |
| { L"Goose_Bay Standard Time", "America/Goose_Bay" }, |
| { L"Greenland_Central Standard Time", "America/Scoresbysund" }, |
| { L"Greenland_Eastern Standard Time", "America/Scoresbysund" }, |
| { L"Greenland_Western Standard Time", "America/Godthab" }, |
| { L"Guam Standard Time", "Pacific/Guam" }, |
| { L"Gulf Standard Time", "Asia/Muscat" }, |
| { L"Guyana Standard Time", "America/Guyana" }, |
| { L"Hawaii_Aleutian Standard Time", "Pacific/Honolulu" }, |
| { L"Hong_Kong Standard Time", "Asia/Hong_Kong" }, |
| { L"Hovd Standard Time", "Asia/Hovd" }, |
| { L"Indian_Ocean Standard Time", "Indian/Chagos" }, |
| { L"Indochina Standard Time", "Asia/Vientiane" }, |
| { L"Indonesia_Central Standard Time", "Asia/Makassar" }, |
| { L"Indonesia_Eastern Standard Time", "Asia/Jayapura" }, |
| { L"Indonesia_Western Standard Time", "Asia/Jakarta" }, |
| { L"Irish Standard Time", "Europe/Dublin" }, |
| { L"Irkutsk Standard Time", "Asia/Irkutsk" }, |
| { L"Japan Standard Time", "Asia/Tokyo" }, |
| { L"Kamchatka Standard Time", "Asia/Kamchatka" }, |
| { L"Karachi Standard Time", "Asia/Karachi" }, |
| { L"Kashgar Standard Time", "Asia/Kashgar" }, |
| { L"Kazakhstan_Eastern Standard Time", "Asia/Almaty" }, |
| { L"Kazakhstan_Western Standard Time", "Asia/Aqtobe" }, |
| { L"Kizilorda Standard Time", "Asia/Qyzylorda" }, |
| { L"Kosrae Standard Time", "Pacific/Kosrae" }, |
| { L"Krasnoyarsk Standard Time", "Asia/Krasnoyarsk" }, |
| { L"Kuybyshev Standard Time", "Europe/Samara" }, |
| { L"Kwajalein Standard Time", "Pacific/Kwajalein" }, |
| { L"Kyrgystan Standard Time", "Asia/Bishkek" }, |
| { L"Lanka Standard Time", "Asia/Colombo" }, |
| { L"Liberia Standard Time", "Africa/Monrovia" }, |
| { L"Line_Islands Standard Time", "Pacific/Kiritimati" }, |
| { L"Long_Shu Standard Time", "Asia/Chongqing" }, |
| { L"Lord_Howe Standard Time", "Australia/Lord_Howe" }, |
| { L"Macau Standard Time", "Asia/Macau" }, |
| { L"Magadan Standard Time", "Asia/Magadan" }, |
| { L"Malaya Standard Time", "Asia/Kuala_Lumpur" }, |
| { L"Malaysia Standard Time", "Asia/Kuching" }, |
| { L"Maldives Standard Time", "Indian/Maldives" }, |
| { L"Marquesas Standard Time", "Pacific/Marquesas" }, |
| { L"Marshall_Islands Standard Time", "Pacific/Majuro" }, |
| { L"Mauritius Standard Time", "Indian/Mauritius" }, |
| { L"Mawson Standard Time", "Antarctica/Mawson" }, |
| { L"Mongolia Standard Time", "Asia/Ulaanbaatar" }, |
| { L"Moscow Standard Time", "Europe/Moscow" }, |
| { L"Nauru Standard Time", "Pacific/Nauru" }, |
| { L"New_Caledonia Standard Time", "Pacific/Noumea" }, |
| { L"New_Zealand Standard Time", "Pacific/Auckland" }, |
| { L"Niue Standard Time", "Pacific/Niue" }, |
| { L"Norfolk Standard Time", "Pacific/Norfolk" }, |
| { L"Noronha Standard Time", "America/Noronha" }, |
| { L"North_Mariana Standard Time", "Pacific/Saipan" }, |
| { L"Novosibirsk Standard Time", "Asia/Novosibirsk" }, |
| { L"Omsk Standard Time", "Asia/Omsk" }, |
| { L"Oral Standard Time", "Asia/Oral" }, |
| { L"Pakistan Standard Time", "Asia/Karachi" }, |
| { L"Palau Standard Time", "Pacific/Palau" }, |
| { L"Papua_New_Guinea Standard Time", "Pacific/Port_Moresby" }, |
| { L"Paraguay Standard Time", "America/Asuncion" }, |
| { L"Peru Standard Time", "America/Lima" }, |
| { L"Philippines Standard Time", "Asia/Manila" }, |
| { L"Phoenix_Islands Standard Time", "Pacific/Enderbury" }, |
| { L"Pierre_Miquelon Standard Time", "America/Miquelon" }, |
| { L"Pitcairn Standard Time", "Pacific/Pitcairn" }, |
| { L"Ponape Standard Time", "Pacific/Ponape" }, |
| { L"Qyzylorda Standard Time", "Asia/Qyzylorda" }, |
| { L"Reunion Standard Time", "Indian/Reunion" }, |
| { L"Rothera Standard Time", "Antarctica/Rothera" }, |
| { L"Sakhalin Standard Time", "Asia/Sakhalin" }, |
| { L"Samara Standard Time", "Europe/Samara" }, |
| { L"Samarkand Standard Time", "Asia/Samarkand" }, |
| { L"Seychelles Standard Time", "Indian/Mahe" }, |
| { L"Shevchenko Standard Time", "Asia/Aqtau" }, |
| { L"Solomon Standard Time", "Pacific/Guadalcanal" }, |
| { L"South_Georgia Standard Time", "Atlantic/South_Georgia" }, |
| { L"Suriname Standard Time", "America/Paramaribo" }, |
| { L"Sverdlovsk Standard Time", "Asia/Yekaterinburg" }, |
| { L"Syowa Standard Time", "Antarctica/Syowa" }, |
| { L"Tahiti Standard Time", "Pacific/Tahiti" }, |
| { L"Tajikistan Standard Time", "Asia/Dushanbe" }, |
| { L"Tashkent Standard Time", "Asia/Tashkent" }, |
| { L"Tbilisi Standard Time", "Asia/Tbilisi" }, |
| { L"Tokelau Standard Time", "Pacific/Fakaofo" }, |
| { L"Truk Standard Time", "Pacific/Truk" }, |
| { L"Turkey Standard Time", "Europe/Istanbul" }, |
| { L"Turkmenistan Standard Time", "Asia/Ashgabat" }, |
| { L"Tuvalu Standard Time", "Pacific/Funafuti" }, |
| { L"Uralsk Standard Time", "Asia/Oral" }, |
| { L"Uruguay Standard Time", "America/Montevideo" }, |
| { L"Urumqi Standard Time", "Asia/Urumqi" }, |
| { L"Uzbekistan Standard Time", "Asia/Tashkent" }, |
| { L"Vanuatu Standard Time", "Pacific/Efate" }, |
| { L"Volgograd Standard Time", "Europe/Volgograd" }, |
| { L"Vostok Standard Time", "Antarctica/Vostok" }, |
| { L"Wake Standard Time", "Pacific/Wake" }, |
| { L"Wallis Standard Time", "Pacific/Wallis" }, |
| { L"Yekaterinburg Standard Time", "Asia/Yekaterinburg" }, |
| { L"Yerevan Standard Time", "Asia/Yerevan" }, |
| { L"Yukon Standard Time", "America/Yakutat" }, |
| |
| /* 2015 additions, seen in then-current Windows 7 */ |
| { L"Argentina Standard Time", "America/Buenos_Aires" }, |
| { L"Bahia Standard Time", "America/Bahia" }, |
| { L"Belarus Standard Time", "Europe/Minsk" }, |
| { L"Kaliningrad Standard Time", "Europe/Kaliningrad" }, |
| { L"Kamchatka Standard Time", "Asia/Kamchatka" }, |
| { L"Libya Standard Time", "Africa/Tripoli" }, |
| { L"Morocco Standard Time", "Africa/Casablanca" }, |
| { L"Syria Standard Time", "Asia/Damascus" }, |
| { L"Ulaanbaatar Standard Time", "Asia/Ulaanbaatar" }, |
| // See https://support.microsoft.com/en-gb/gp/cp_dst |
| { L"Russia Time Zone 1", "Europe/Kaliningrad" }, |
| { L"Russia Time Zone 2", "Europe/Moscow" }, |
| { L"Russia Time Zone 3", "Europe/Samara" }, |
| { L"Russia Time Zone 4", "Asia/Yekaterinburg" }, |
| { L"Russia Time Zone 5", "Asia/Novosibirsk" }, |
| { L"Russia Time Zone 6", "Asia/Krasnoyarsk" }, |
| { L"Russia Time Zone 7", "Asia/Irkutsk" }, |
| { L"Russia Time Zone 8", "Asia/Yakutsk" }, |
| { L"Russia Time Zone 9", "Asia/Magadan" }, |
| { L"Russia Time Zone 10", "Asia/Srednekolymsk" }, |
| { L"Russia Time Zone 11", "Asia/Kamchatka" }, |
| |
| { NULL, "" } |
| }; |
| |
| #define WIN32_LEAN_AND_MEAN 1 |
| #include <windows.h> |
| #include <wchar.h> |
| #include <stdlib.h> /* for wcstombs */ |
| |
| /* #define DEBUG */ |
| |
| #ifdef DEBUG |
| # include <stdio.h> |
| #endif |
| |
| |
| extern void Rf_warning(const char *, ...); |
| |
| /* Since the registry entries can be localized and we might not be |
| running in the native charset, use Unicode here. */ |
| |
| static wchar_t basekey[] = |
| L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\"; |
| static char tzikey[] = |
| "SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation"; |
| |
| static const char *reg2Olson(const wchar_t *s) |
| { |
| int i; |
| LONG rc; |
| HKEY hkey; |
| DWORD type, size; |
| BYTE regdata[1000]; /* 64 was not enough on Vista */ |
| |
| /* Try for English names first */ |
| for (i = 0; TZtable[i].reg; i++) |
| if (!wcscmp(s, TZtable[i].reg)) return TZtable[i].Olson; |
| |
| /* On Vista, the English name of the current timezone is in the registry */ |
| if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, tzikey, 0, KEY_QUERY_VALUE, &hkey) |
| == ERROR_SUCCESS) { |
| size = 1000; |
| rc = RegQueryValueExW(hkey, L"TimeZoneKeyName", NULL, &type, |
| regdata, &size); |
| RegCloseKey(hkey); |
| if(rc == ERROR_SUCCESS) { |
| for (i = 0; TZtable[i].reg; i++) |
| if (!wcscmp((wchar_t *) regdata, TZtable[i].reg)) |
| return TZtable[i].Olson; |
| } |
| } |
| |
| { |
| wchar_t keyname[100]; |
| /* That failed, so we are not on English Windows, nor on |
| Vista, probably. However, the registry time zone key names |
| are in English and a subset of the above list (and need to |
| be for use to identify an Olson name). So try them all for |
| a match to StandardName. |
| */ |
| for (i = 0; TZtable[i].reg; i++) { |
| /* Retrieve |
| HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones\TZtable[i].reg\Std |
| */ |
| wcscpy(keyname, basekey); |
| wcscat(keyname, TZtable[i].reg); |
| rc = RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyname, 0, |
| KEY_QUERY_VALUE, &hkey); |
| if (rc != ERROR_SUCCESS) continue; |
| size = 1000; |
| rc = RegQueryValueExW(hkey, L"Std", NULL, &type, regdata, &size); |
| RegCloseKey(hkey); |
| if (rc != ERROR_SUCCESS) continue; |
| if (!wcscmp(s, (wchar_t *) regdata)) return TZtable[i].Olson; |
| } |
| } |
| |
| Rf_warning("unable to identify current timezone '%s':\nplease set environment variable 'TZ'", s); |
| return "unknown"; |
| } |
| |
| |
| static TIME_ZONE_INFORMATION tzi; |
| /* Longest currently is 31 chars */ |
| static char StandardName[64], DaylightName[64], Olson[64] = ""; |
| |
| /* Uwe Ligges says these entries are localized in the Windows' base language */ |
| const char *getTZinfo(void) |
| { |
| if(!Olson[0]) { |
| const char *p = getenv("TZ"); |
| if(p) { |
| strncpy(Olson, p, 63); |
| Olson[63] = '\0'; |
| } else { |
| GetTimeZoneInformation(&tzi); |
| wcstombs(StandardName, tzi.StandardName, 64); |
| wcstombs(DaylightName, tzi.DaylightName, 64); |
| strncpy(Olson, reg2Olson(tzi.StandardName), 63); |
| Olson[63] = '\0'; |
| } |
| #ifdef DEBUG |
| printf("names %s, %s\n", StandardName, DaylightName); |
| printf("TZ = %s\n", Olson); |
| #endif |
| } |
| return Olson; |
| } |
