diff options
Diffstat (limited to 'src/timezone/pgtz.c')
-rw-r--r-- | src/timezone/pgtz.c | 587 |
1 files changed, 379 insertions, 208 deletions
diff --git a/src/timezone/pgtz.c b/src/timezone/pgtz.c index fdc00b6ceed..4a44a098a9d 100644 --- a/src/timezone/pgtz.c +++ b/src/timezone/pgtz.c @@ -6,7 +6,7 @@ * Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group * * IDENTIFICATION - * $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.22 2004/08/29 04:13:12 momjian Exp $ + * $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.23 2004/08/29 05:07:02 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -71,10 +71,10 @@ pg_TZDIR(void) #ifndef WIN32 #define T_DAY ((time_t) (60*60*24)) -#define T_WEEK ((time_t) (60*60*24*7)) +#define T_WEEK ((time_t) (60*60*24*7)) #define T_MONTH ((time_t) (60*60*24*31)) -#define MAX_TEST_TIMES (52*100) /* 100 years, or 1904..2004 */ +#define MAX_TEST_TIMES (52*100) /* 100 years, or 1904..2004 */ struct tztry { @@ -83,15 +83,15 @@ struct tztry }; static void scan_available_timezones(char *tzdir, char *tzdirsub, - struct tztry *tt, - int *bestscore, char *bestzonename); + struct tztry * tt, + int *bestscore, char *bestzonename); /* * Get GMT offset from a system struct tm */ static int -get_timezone_offset(struct tm *tm) +get_timezone_offset(struct tm * tm) { #if defined(HAVE_STRUCT_TM_TM_ZONE) return tm->tm_gmtoff; @@ -126,7 +126,7 @@ build_time_t(int year, int month, int day) * Does a system tm value match one we computed ourselves? */ static bool -compare_tm(struct tm *s, struct pg_tm *p) +compare_tm(struct tm * s, struct pg_tm * p) { if (s->tm_sec != p->tm_sec || s->tm_min != p->tm_min || @@ -153,12 +153,12 @@ compare_tm(struct tm *s, struct pg_tm *p) * test time. */ static int -score_timezone(const char *tzname, struct tztry *tt) +score_timezone(const char *tzname, struct tztry * tt) { int i; pg_time_t pgtt; - struct tm *systm; - struct pg_tm *pgtm; + struct tm *systm; + struct pg_tm *pgtm; char cbuf[TZ_STRLEN_MAX + 1]; if (!pg_tzset(tzname)) @@ -177,7 +177,7 @@ score_timezone(const char *tzname, struct tztry *tt) pgtt = (pg_time_t) (tt->test_times[i]); pgtm = pg_localtime(&pgtt); if (!pgtm) - return -1; /* probably shouldn't happen */ + return -1; /* probably shouldn't happen */ systm = localtime(&(tt->test_times[i])); if (!systm) { @@ -206,7 +206,7 @@ score_timezone(const char *tzname, struct tztry *tt) if (pgtm->tm_zone == NULL) return -1; /* probably shouldn't happen */ memset(cbuf, 0, sizeof(cbuf)); - strftime(cbuf, sizeof(cbuf) - 1, "%Z", systm); /* zone abbr */ + strftime(cbuf, sizeof(cbuf) - 1, "%Z", systm); /* zone abbr */ if (strcmp(cbuf, pgtm->tm_zone) != 0) { elog(DEBUG4, "TZ \"%s\" scores %d: at %ld \"%s\" versus \"%s\"", @@ -249,18 +249,19 @@ identify_system_timezone(void) /* * Set up the list of dates to be probed to see how well our timezone * matches the system zone. We first probe January and July of 2004; - * this serves to quickly eliminate the vast majority of the TZ database - * entries. If those dates match, we probe every week from 2004 backwards - * to late 1904. (Weekly resolution is good enough to identify DST - * transition rules, since everybody switches on Sundays.) The further - * back the zone matches, the better we score it. This may seem like - * a rather random way of doing things, but experience has shown that - * system-supplied timezone definitions are likely to have DST behavior - * that is right for the recent past and not so accurate further back. - * Scoring in this way allows us to recognize zones that have some - * commonality with the zic database, without insisting on exact match. - * (Note: we probe Thursdays, not Sundays, to avoid triggering - * DST-transition bugs in localtime itself.) + * this serves to quickly eliminate the vast majority of the TZ + * database entries. If those dates match, we probe every week from + * 2004 backwards to late 1904. (Weekly resolution is good enough to + * identify DST transition rules, since everybody switches on + * Sundays.) The further back the zone matches, the better we score + * it. This may seem like a rather random way of doing things, but + * experience has shown that system-supplied timezone definitions are + * likely to have DST behavior that is right for the recent past and + * not so accurate further back. Scoring in this way allows us to + * recognize zones that have some commonality with the zic database, + * without insisting on exact match. (Note: we probe Thursdays, not + * Sundays, to avoid triggering DST-transition bugs in localtime + * itself.) */ tt.n_test_times = 0; tt.test_times[tt.n_test_times++] = build_time_t(2004, 1, 15); @@ -282,12 +283,12 @@ identify_system_timezone(void) return resultbuf; /* - * Couldn't find a match in the database, so next we try constructed zone - * names (like "PST8PDT"). + * Couldn't find a match in the database, so next we try constructed + * zone names (like "PST8PDT"). * - * First we need to determine the names of the local standard and daylight - * zones. The idea here is to scan forward from today until we have - * seen both zones, if both are in use. + * First we need to determine the names of the local standard and + * daylight zones. The idea here is to scan forward from today until + * we have seen both zones, if both are in use. */ memset(std_zone_name, 0, sizeof(std_zone_name)); memset(dst_zone_name, 0, sizeof(dst_zone_name)); @@ -363,18 +364,19 @@ identify_system_timezone(void) return resultbuf; /* - * Did not find the timezone. Fallback to use a GMT zone. Note that the - * zic timezone database names the GMT-offset zones in POSIX style: plus - * is west of Greenwich. It's unfortunate that this is opposite of SQL - * conventions. Should we therefore change the names? Probably not... + * Did not find the timezone. Fallback to use a GMT zone. Note that + * the zic timezone database names the GMT-offset zones in POSIX + * style: plus is west of Greenwich. It's unfortunate that this is + * opposite of SQL conventions. Should we therefore change the names? + * Probably not... */ snprintf(resultbuf, sizeof(resultbuf), "Etc/GMT%s%d", - (-std_ofs > 0) ? "+" : "", -std_ofs / 3600); + (-std_ofs > 0) ? "+" : "", -std_ofs / 3600); ereport(LOG, - (errmsg("could not recognize system timezone, defaulting to \"%s\"", - resultbuf), - errhint("You can specify the correct timezone in postgresql.conf."))); + (errmsg("could not recognize system timezone, defaulting to \"%s\"", + resultbuf), + errhint("You can specify the correct timezone in postgresql.conf."))); return resultbuf; } @@ -382,7 +384,7 @@ identify_system_timezone(void) * Recursively scan the timezone database looking for the best match to * the system timezone behavior. * - * tzdir points to a buffer of size MAXPGPATH. On entry, it holds the + * tzdir points to a buffer of size MAXPGPATH. On entry, it holds the * pathname of a directory containing TZ files. We internally modify it * to hold pathnames of sub-directories and files, but must restore it * to its original contents before exit. @@ -398,7 +400,7 @@ identify_system_timezone(void) * score. bestzonename must be a buffer of length TZ_STRLEN_MAX + 1. */ static void -scan_available_timezones(char *tzdir, char *tzdirsub, struct tztry *tt, +scan_available_timezones(char *tzdir, char *tzdirsub, struct tztry * tt, int *bestscore, char *bestzonename) { int tzdir_orig_len = strlen(tzdir); @@ -453,7 +455,7 @@ scan_available_timezones(char *tzdir, char *tzdirsub, struct tztry *tt, else { /* Load and test this file */ - int score = score_timezone(tzdirsub, tt); + int score = score_timezone(tzdirsub, tt); if (score > *bestscore) { @@ -477,181 +479,351 @@ scan_available_timezones(char *tzdir, char *tzdirsub, struct tztry *tt, tzdir[tzdir_orig_len] = '\0'; } -#else /* WIN32 */ +#else /* WIN32 */ -static const struct { - const char *stdname; /* Windows name of standard timezone */ - const char *dstname; /* Windows name of daylight timezone */ - const char *pgtzname; /* Name of pgsql timezone to map to */ -} win32_tzmap[] = { +static const struct +{ + const char *stdname; /* Windows name of standard timezone */ + const char *dstname; /* Windows name of daylight timezone */ + const char *pgtzname; /* Name of pgsql timezone to map to */ +} win32_tzmap[] = + +{ /* * This list was built from the contents of the registry at - * HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones - * on Windows XP Professional SP1 + * HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows + * NT\CurrentVersion\Time Zones on Windows XP Professional SP1 * * The zones have been matched to zic timezones by looking at the cities - * listed in the win32 display name (in the comment here) in most cases. + * listed in the win32 display name (in the comment here) in most + * cases. */ - {"Afghanistan Standard Time", "Afghanistan Daylight Time", - "Asia/Kabul"}, /* (GMT+04:30) Kabul */ - {"Alaskan Standard Time", "Alaskan Daylight Time", - "US/Alaska"}, /* (GMT-09:00) Alaska */ - {"Arab Standard Time", "Arab Daylight Time", - "Asia/Kuwait"}, /* (GMT+03:00) Kuwait, Riyadh */ - {"Arabian Standard Time", "Arabian Daylight Time", - "Asia/Muscat"}, /* (GMT+04:00) Abu Dhabi, Muscat */ - {"Arabic Standard Time", "Arabic Daylight Time", - "Asia/Baghdad"}, /* (GMT+03:00) Baghdad */ - {"Atlantic Standard Time", "Atlantic Daylight Time", - "Canada/Atlantic"}, /* (GMT-04:00) Atlantic Time (Canada) */ - {"AUS Central Standard Time", "AUS Central Daylight Time", - "Australia/Darwin"}, /* (GMT+09:30) Darwin */ - {"AUS Eastern Standard Time", "AUS Eastern Daylight Time", - "Australia/Canberra"}, /* (GMT+10:00) Canberra, Melbourne, Sydney */ - {"Azores Standard Time", "Azores Daylight Time", - "Atlantic/Azores"}, /* (GMT-01:00) Azores */ - {"Canada Central Standard Time", "Canada Central Daylight Time", - "Canada/Saskatchewan"}, /* (GMT-06:00) Saskatchewan */ - {"Cape Verde Standard Time", "Cape Verde Daylight Time", - "Atlantic/Cape_Verde"}, /* (GMT-01:00) Cape Verde Is. */ - {"Caucasus Standard Time", "Caucasus Daylight Time", - "Asia/Baku"}, /* (GMT+04:00) Baku, Tbilisi, Yerevan */ - {"Cen. Australia Standard Time", "Cen. Australia Daylight Time", - "Australia/Adelaide"}, /* (GMT+09:30) Adelaide */ - {"Central America Standard Time", "Central America Daylight Time", - "CST6CDT"}, /* (GMT-06:00) Central America */ - {"Central Asia Standard Time", "Central Asia Daylight Time", - "Asia/Dhaka"}, /* (GMT+06:00) Astana, Dhaka */ - {"Central Europe Standard Time", "Central Europe Daylight Time", - "Europe/Belgrade"}, /* (GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague */ - {"Central European Standard Time", "Central European Daylight Time", - "Europe/Sarajevo"}, /* (GMT+01:00) Sarajevo, Skopje, Warsaw, Zagreb */ - {"Central Pacific Standard Time", "Central Pacific Daylight Time", - "Pacific/Noumea"}, /* (GMT+11:00) Magadan, Solomon Is., New Caledonia */ - {"Central Standard Time", "Central Daylight Time", - "US/Central"}, /* (GMT-06:00) Central Time (US & Canada) */ - {"China Standard Time", "China Daylight Time", - "Asia/Hong_Kong"}, /* (GMT+08:00) Beijing, Chongqing, Hong Kong, Urumqi */ - {"Dateline Standard Time", "Dateline Daylight Time", - "Etc/GMT+12"}, /* (GMT-12:00) International Date Line West */ - {"E. Africa Standard Time", "E. Africa Daylight Time", - "Africa/Nairobi"}, /* (GMT+03:00) Nairobi */ - {"E. Australia Standard Time", "E. Australia Daylight Time", - "Australia/Brisbane"}, /* (GMT+10:00) Brisbane */ - {"E. Europe Standard Time", "E. Europe Daylight Time", - "Europe/Bucharest"}, /* (GMT+02:00) Bucharest */ - {"E. South America Standard Time", "E. South America Daylight Time", - "America/Araguaina"}, /* (GMT-03:00) Brasilia */ - {"Eastern Standard Time", "Eastern Daylight Time", - "US/Eastern"}, /* (GMT-05:00) Eastern Time (US & Canada) */ - {"Egypt Standard Time", "Egypt Daylight Time", - "Africa/Cairo"}, /* (GMT+02:00) Cairo */ - {"Ekaterinburg Standard Time", "Ekaterinburg Daylight Time", - "Asia/Yekaterinburg"}, /* (GMT+05:00) Ekaterinburg */ - {"Fiji Standard Time", "Fiji Daylight Time", - "Pacific/Fiji"}, /* (GMT+12:00) Fiji, Kamchatka, Marshall Is. */ - {"FLE Standard Time", "FLE Daylight Time", - "Europe/Helsinki"}, /* (GMT+02:00) Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius */ - {"GMT Standard Time", "GMT Daylight Time", - "Europe/Dublin"}, /* (GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London */ - {"Greenland Standard Time", "Greenland Daylight Time", - "America/Godthab"}, /* (GMT-03:00) Greenland */ - {"Greenwich Standard Time", "Greenwich Daylight Time", - "Africa/Casablanca"}, /* (GMT) Casablanca, Monrovia */ - {"GTB Standard Time", "GTB Daylight Time", - "Europe/Athens"}, /* (GMT+02:00) Athens, Istanbul, Minsk */ - {"Hawaiian Standard Time", "Hawaiian Daylight Time", - "US/Hawaii"}, /* (GMT-10:00) Hawaii */ - {"India Standard Time", "India Daylight Time", - "Asia/Calcutta"}, /* (GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi */ - {"Iran Standard Time", "Iran Daylight Time", - "Asia/Tehran"}, /* (GMT+03:30) Tehran */ - {"Jerusalem Standard Time", "Jerusalem Daylight Time", - "Asia/Jerusalem"}, /* (GMT+02:00) Jerusalem */ - {"Korea Standard Time", "Korea Daylight Time", - "Asia/Seoul"}, /* (GMT+09:00) Seoul */ - {"Mexico Standard Time", "Mexico Daylight Time", - "America/Mexico_City"}, /* (GMT-06:00) Guadalajara, Mexico City, Monterrey */ - {"Mexico Standard Time", "Mexico Daylight Time", - "America/La_Paz"}, /* (GMT-07:00) Chihuahua, La Paz, Mazatlan */ - {"Mid-Atlantic Standard Time", "Mid-Atlantic Daylight Time", - "Atlantic/South_Georgia"}, /* (GMT-02:00) Mid-Atlantic */ - {"Mountain Standard Time", "Mountain Daylight Time", - "US/Mountain"}, /* (GMT-07:00) Mountain Time (US & Canada) */ - {"Myanmar Standard Time", "Myanmar Daylight Time", - "Asia/Rangoon"}, /* (GMT+06:30) Rangoon */ - {"N. Central Asia Standard Time", "N. Central Asia Daylight Time", - "Asia/Almaty"}, /* (GMT+06:00) Almaty, Novosibirsk */ - {"Nepal Standard Time", "Nepal Daylight Time", - "Asia/Katmandu"}, /* (GMT+05:45) Kathmandu */ - {"New Zealand Standard Time", "New Zealand Daylight Time", - "Pacific/Auckland"}, /* (GMT+12:00) Auckland, Wellington */ - {"Newfoundland Standard Time", "Newfoundland Daylight Time", - "Canada/Newfoundland"}, /* (GMT-03:30) Newfoundland */ - {"North Asia East Standard Time", "North Asia East Daylight Time", - "Asia/Irkutsk"}, /* (GMT+08:00) Irkutsk, Ulaan Bataar */ - {"North Asia Standard Time", "North Asia Daylight Time", - "Asia/Krasnoyarsk"}, /* (GMT+07:00) Krasnoyarsk */ - {"Pacific SA Standard Time", "Pacific SA Daylight Time", - "America/Santiago"}, /* (GMT-04:00) Santiago */ - {"Pacific Standard Time", "Pacific Daylight Time", - "US/Pacific"}, /* (GMT-08:00) Pacific Time (US & Canada); Tijuana */ - {"Romance Standard Time", "Romance Daylight Time", - "Europe/Brussels"}, /* (GMT+01:00) Brussels, Copenhagen, Madrid, Paris */ - {"Russian Standard Time", "Russian Daylight Time", - "Europe/Moscow"}, /* (GMT+03:00) Moscow, St. Petersburg, Volgograd */ - {"SA Eastern Standard Time", "SA Eastern Daylight Time", - "America/Buenos_Aires"}, /* (GMT-03:00) Buenos Aires, Georgetown */ - {"SA Pacific Standard Time", "SA Pacific Daylight Time", - "America/Bogota"}, /* (GMT-05:00) Bogota, Lima, Quito */ - {"SA Western Standard Time", "SA Western Daylight Time", - "America/Caracas"}, /* (GMT-04:00) Caracas, La Paz */ - {"Samoa Standard Time", "Samoa Daylight Time", - "Pacific/Midway"}, /* (GMT-11:00) Midway Island, Samoa */ - {"SE Asia Standard Time", "SE Asia Daylight Time", - "Asia/Bangkok"}, /* (GMT+07:00) Bangkok, Hanoi, Jakarta */ - {"Malay Peninsula Standard Time", "Malay Peninsula Daylight Time", - "Asia/Kuala_Lumpur"}, /* (GMT+08:00) Kuala Lumpur, Singapore */ - {"South Africa Standard Time", "South Africa Daylight Time", - "Africa/Harare"}, /* (GMT+02:00) Harare, Pretoria */ - {"Sri Lanka Standard Time", "Sri Lanka Daylight Time", - "Asia/Colombo"}, /* (GMT+06:00) Sri Jayawardenepura */ - {"Taipei Standard Time", "Taipei Daylight Time", - "Asia/Taipei"}, /* (GMT+08:00) Taipei */ - {"Tasmania Standard Time", "Tasmania Daylight Time", - "Australia/Hobart"}, /* (GMT+10:00) Hobart */ - {"Tokyo Standard Time", "Tokyo Daylight Time", - "Asia/Tokyo"}, /* (GMT+09:00) Osaka, Sapporo, Tokyo */ - {"Tonga Standard Time", "Tonga Daylight Time", - "Pacific/Tongatapu"}, /* (GMT+13:00) Nuku'alofa */ - {"US Eastern Standard Time", "US Eastern Daylight Time", - "US/Eastern"}, /* (GMT-05:00) Indiana (East) */ - {"US Mountain Standard Time", "US Mountain Daylight Time", - "US/Arizona"}, /* (GMT-07:00) Arizona */ - {"Vladivostok Standard Time", "Vladivostok Daylight Time", - "Asia/Vladivostok"}, /* (GMT+10:00) Vladivostok */ - {"W. Australia Standard Time", "W. Australia Daylight Time", - "Australia/Perth"}, /* (GMT+08:00) Perth */ + { + "Afghanistan Standard Time", "Afghanistan Daylight Time", + "Asia/Kabul" + }, /* (GMT+04:30) Kabul */ + { + "Alaskan Standard Time", "Alaskan Daylight Time", + "US/Alaska" + }, /* (GMT-09:00) Alaska */ + { + "Arab Standard Time", "Arab Daylight Time", + "Asia/Kuwait" + }, /* (GMT+03:00) Kuwait, Riyadh */ + { + "Arabian Standard Time", "Arabian Daylight Time", + "Asia/Muscat" + }, /* (GMT+04:00) Abu Dhabi, Muscat */ + { + "Arabic Standard Time", "Arabic Daylight Time", + "Asia/Baghdad" + }, /* (GMT+03:00) Baghdad */ + { + "Atlantic Standard Time", "Atlantic Daylight Time", + "Canada/Atlantic" + }, /* (GMT-04:00) Atlantic Time (Canada) */ + { + "AUS Central Standard Time", "AUS Central Daylight Time", + "Australia/Darwin" + }, /* (GMT+09:30) Darwin */ + { + "AUS Eastern Standard Time", "AUS Eastern Daylight Time", + "Australia/Canberra" + }, /* (GMT+10:00) Canberra, Melbourne, Sydney */ + { + "Azores Standard Time", "Azores Daylight Time", + "Atlantic/Azores" + }, /* (GMT-01:00) Azores */ + { + "Canada Central Standard Time", "Canada Central Daylight Time", + "Canada/Saskatchewan" + }, /* (GMT-06:00) Saskatchewan */ + { + "Cape Verde Standard Time", "Cape Verde Daylight Time", + "Atlantic/Cape_Verde" + }, /* (GMT-01:00) Cape Verde Is. */ + { + "Caucasus Standard Time", "Caucasus Daylight Time", + "Asia/Baku" + }, /* (GMT+04:00) Baku, Tbilisi, Yerevan */ + { + "Cen. Australia Standard Time", "Cen. Australia Daylight Time", + "Australia/Adelaide" + }, /* (GMT+09:30) Adelaide */ + { + "Central America Standard Time", "Central America Daylight Time", + "CST6CDT" + }, /* (GMT-06:00) Central America */ + { + "Central Asia Standard Time", "Central Asia Daylight Time", + "Asia/Dhaka" + }, /* (GMT+06:00) Astana, Dhaka */ + { + "Central Europe Standard Time", "Central Europe Daylight Time", + "Europe/Belgrade" + }, /* (GMT+01:00) Belgrade, Bratislava, + * Budapest, Ljubljana, Prague */ + { + "Central European Standard Time", "Central European Daylight Time", + "Europe/Sarajevo" + }, /* (GMT+01:00) Sarajevo, Skopje, Warsaw, + * Zagreb */ + { + "Central Pacific Standard Time", "Central Pacific Daylight Time", + "Pacific/Noumea" + }, /* (GMT+11:00) Magadan, Solomon Is., New + * Caledonia */ + { + "Central Standard Time", "Central Daylight Time", + "US/Central" + }, /* (GMT-06:00) Central Time (US & Canada) */ + { + "China Standard Time", "China Daylight Time", + "Asia/Hong_Kong" + }, /* (GMT+08:00) Beijing, Chongqing, Hong + * Kong, Urumqi */ + { + "Dateline Standard Time", "Dateline Daylight Time", + "Etc/GMT+12" + }, /* (GMT-12:00) International Date Line + * West */ + { + "E. Africa Standard Time", "E. Africa Daylight Time", + "Africa/Nairobi" + }, /* (GMT+03:00) Nairobi */ + { + "E. Australia Standard Time", "E. Australia Daylight Time", + "Australia/Brisbane" + }, /* (GMT+10:00) Brisbane */ + { + "E. Europe Standard Time", "E. Europe Daylight Time", + "Europe/Bucharest" + }, /* (GMT+02:00) Bucharest */ + { + "E. South America Standard Time", "E. South America Daylight Time", + "America/Araguaina" + }, /* (GMT-03:00) Brasilia */ + { + "Eastern Standard Time", "Eastern Daylight Time", + "US/Eastern" + }, /* (GMT-05:00) Eastern Time (US & Canada) */ + { + "Egypt Standard Time", "Egypt Daylight Time", + "Africa/Cairo" + }, /* (GMT+02:00) Cairo */ + { + "Ekaterinburg Standard Time", "Ekaterinburg Daylight Time", + "Asia/Yekaterinburg" + }, /* (GMT+05:00) Ekaterinburg */ + { + "Fiji Standard Time", "Fiji Daylight Time", + "Pacific/Fiji" + }, /* (GMT+12:00) Fiji, Kamchatka, Marshall + * Is. */ + { + "FLE Standard Time", "FLE Daylight Time", + "Europe/Helsinki" + }, /* (GMT+02:00) Helsinki, Kyiv, Riga, + * Sofia, Tallinn, Vilnius */ + { + "GMT Standard Time", "GMT Daylight Time", + "Europe/Dublin" + }, /* (GMT) Greenwich Mean Time : Dublin, + * Edinburgh, Lisbon, London */ + { + "Greenland Standard Time", "Greenland Daylight Time", + "America/Godthab" + }, /* (GMT-03:00) Greenland */ + { + "Greenwich Standard Time", "Greenwich Daylight Time", + "Africa/Casablanca" + }, /* (GMT) Casablanca, Monrovia */ + { + "GTB Standard Time", "GTB Daylight Time", + "Europe/Athens" + }, /* (GMT+02:00) Athens, Istanbul, Minsk */ + { + "Hawaiian Standard Time", "Hawaiian Daylight Time", + "US/Hawaii" + }, /* (GMT-10:00) Hawaii */ + { + "India Standard Time", "India Daylight Time", + "Asia/Calcutta" + }, /* (GMT+05:30) Chennai, Kolkata, Mumbai, + * New Delhi */ + { + "Iran Standard Time", "Iran Daylight Time", + "Asia/Tehran" + }, /* (GMT+03:30) Tehran */ + { + "Jerusalem Standard Time", "Jerusalem Daylight Time", + "Asia/Jerusalem" + }, /* (GMT+02:00) Jerusalem */ + { + "Korea Standard Time", "Korea Daylight Time", + "Asia/Seoul" + }, /* (GMT+09:00) Seoul */ + { + "Mexico Standard Time", "Mexico Daylight Time", + "America/Mexico_City" + }, /* (GMT-06:00) Guadalajara, Mexico City, + * Monterrey */ + { + "Mexico Standard Time", "Mexico Daylight Time", + "America/La_Paz" + }, /* (GMT-07:00) Chihuahua, La Paz, Mazatlan */ + { + "Mid-Atlantic Standard Time", "Mid-Atlantic Daylight Time", + "Atlantic/South_Georgia" + }, /* (GMT-02:00) Mid-Atlantic */ + { + "Mountain Standard Time", "Mountain Daylight Time", + "US/Mountain" + }, /* (GMT-07:00) Mountain Time (US & Canada) */ + { + "Myanmar Standard Time", "Myanmar Daylight Time", + "Asia/Rangoon" + }, /* (GMT+06:30) Rangoon */ + { + "N. Central Asia Standard Time", "N. Central Asia Daylight Time", + "Asia/Almaty" + }, /* (GMT+06:00) Almaty, Novosibirsk */ + { + "Nepal Standard Time", "Nepal Daylight Time", + "Asia/Katmandu" + }, /* (GMT+05:45) Kathmandu */ + { + "New Zealand Standard Time", "New Zealand Daylight Time", + "Pacific/Auckland" + }, /* (GMT+12:00) Auckland, Wellington */ + { + "Newfoundland Standard Time", "Newfoundland Daylight Time", + "Canada/Newfoundland" + }, /* (GMT-03:30) Newfoundland */ + { + "North Asia East Standard Time", "North Asia East Daylight Time", + "Asia/Irkutsk" + }, /* (GMT+08:00) Irkutsk, Ulaan Bataar */ + { + "North Asia Standard Time", "North Asia Daylight Time", + "Asia/Krasnoyarsk" + }, /* (GMT+07:00) Krasnoyarsk */ + { + "Pacific SA Standard Time", "Pacific SA Daylight Time", + "America/Santiago" + }, /* (GMT-04:00) Santiago */ + { + "Pacific Standard Time", "Pacific Daylight Time", + "US/Pacific" + }, /* (GMT-08:00) Pacific Time (US & Canada); + * Tijuana */ + { + "Romance Standard Time", "Romance Daylight Time", + "Europe/Brussels" + }, /* (GMT+01:00) Brussels, Copenhagen, + * Madrid, Paris */ + { + "Russian Standard Time", "Russian Daylight Time", + "Europe/Moscow" + }, /* (GMT+03:00) Moscow, St. Petersburg, + * Volgograd */ + { + "SA Eastern Standard Time", "SA Eastern Daylight Time", + "America/Buenos_Aires" + }, /* (GMT-03:00) Buenos Aires, Georgetown */ + { + "SA Pacific Standard Time", "SA Pacific Daylight Time", + "America/Bogota" + }, /* (GMT-05:00) Bogota, Lima, Quito */ + { + "SA Western Standard Time", "SA Western Daylight Time", + "America/Caracas" + }, /* (GMT-04:00) Caracas, La Paz */ + { + "Samoa Standard Time", "Samoa Daylight Time", + "Pacific/Midway" + }, /* (GMT-11:00) Midway Island, Samoa */ + { + "SE Asia Standard Time", "SE Asia Daylight Time", + "Asia/Bangkok" + }, /* (GMT+07:00) Bangkok, Hanoi, Jakarta */ + { + "Malay Peninsula Standard Time", "Malay Peninsula Daylight Time", + "Asia/Kuala_Lumpur" + }, /* (GMT+08:00) Kuala Lumpur, Singapore */ + { + "South Africa Standard Time", "South Africa Daylight Time", + "Africa/Harare" + }, /* (GMT+02:00) Harare, Pretoria */ + { + "Sri Lanka Standard Time", "Sri Lanka Daylight Time", + "Asia/Colombo" + }, /* (GMT+06:00) Sri Jayawardenepura */ + { + "Taipei Standard Time", "Taipei Daylight Time", + "Asia/Taipei" + }, /* (GMT+08:00) Taipei */ + { + "Tasmania Standard Time", "Tasmania Daylight Time", + "Australia/Hobart" + }, /* (GMT+10:00) Hobart */ + { + "Tokyo Standard Time", "Tokyo Daylight Time", + "Asia/Tokyo" + }, /* (GMT+09:00) Osaka, Sapporo, Tokyo */ + { + "Tonga Standard Time", "Tonga Daylight Time", + "Pacific/Tongatapu" + }, /* (GMT+13:00) Nuku'alofa */ + { + "US Eastern Standard Time", "US Eastern Daylight Time", + "US/Eastern" + }, /* (GMT-05:00) Indiana (East) */ + { + "US Mountain Standard Time", "US Mountain Daylight Time", + "US/Arizona" + }, /* (GMT-07:00) Arizona */ + { + "Vladivostok Standard Time", "Vladivostok Daylight Time", + "Asia/Vladivostok" + }, /* (GMT+10:00) Vladivostok */ + { + "W. Australia Standard Time", "W. Australia Daylight Time", + "Australia/Perth" + }, /* (GMT+08:00) Perth */ /* {"W. Central Africa Standard Time", "W. Central Africa Daylight Time", - ""}, Could not find a match for this one. Excluded for now. */ /* (GMT+01:00) West Central Africa */ - {"W. Europe Standard Time", "W. Europe Daylight Time", - "CET"}, /* (GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna */ - {"West Asia Standard Time", "West Asia Daylight Time", - "Asia/Karachi"}, /* (GMT+05:00) Islamabad, Karachi, Tashkent */ - {"West Pacific Standard Time", "West Pacific Daylight Time", - "Pacific/Guam"}, /* (GMT+10:00) Guam, Port Moresby */ - {"Yakutsk Standard Time", "Yakutsk Daylight Time", - "Asia/Yakutsk"}, /* (GMT+09:00) Yakutsk */ - {NULL, NULL, NULL} + * ""}, Could not find a match for this one. Excluded for now. *//* (G + * MT+01:00) West Central Africa */ + { + "W. Europe Standard Time", "W. Europe Daylight Time", + "CET" + }, /* (GMT+01:00) Amsterdam, Berlin, Bern, + * Rome, Stockholm, Vienna */ + { + "West Asia Standard Time", "West Asia Daylight Time", + "Asia/Karachi" + }, /* (GMT+05:00) Islamabad, Karachi, + * Tashkent */ + { + "West Pacific Standard Time", "West Pacific Daylight Time", + "Pacific/Guam" + }, /* (GMT+10:00) Guam, Port Moresby */ + { + "Yakutsk Standard Time", "Yakutsk Daylight Time", + "Asia/Yakutsk" + }, /* (GMT+09:00) Yakutsk */ + { + NULL, NULL, NULL + } }; static const char * identify_system_timezone(void) { - int i; - char tzname[128]; - time_t t = time(NULL); - struct tm *tm = localtime(&t); + int i; + char tzname[128]; + time_t t = time(NULL); + struct tm *tm = localtime(&t); if (!tm) { @@ -661,9 +833,9 @@ identify_system_timezone(void) } memset(tzname, 0, sizeof(tzname)); - strftime(tzname, sizeof(tzname)-1, "%Z", tm); + strftime(tzname, sizeof(tzname) - 1, "%Z", tm); - for (i=0; win32_tzmap[i].stdname != NULL; i++) + for (i = 0; win32_tzmap[i].stdname != NULL; i++) { if (strcmp(tzname, win32_tzmap[i].stdname) == 0 || strcmp(tzname, win32_tzmap[i].dstname) == 0) @@ -679,8 +851,7 @@ identify_system_timezone(void) tzname))); return NULL; } - -#endif /* WIN32 */ +#endif /* WIN32 */ /* @@ -724,7 +895,7 @@ tz_acceptable(void) const char * select_default_timezone(void) { - const char *def_tz; + const char *def_tz; def_tz = getenv("TZ"); if (def_tz && pg_tzset(def_tz) && tz_acceptable()) |