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Diffstat (limited to '')
| -rw-r--r-- | gnulib-tests/setlocale.c | 1673 |
1 files changed, 1673 insertions, 0 deletions
diff --git a/gnulib-tests/setlocale.c b/gnulib-tests/setlocale.c new file mode 100644 index 0000000..f4141be --- /dev/null +++ b/gnulib-tests/setlocale.c @@ -0,0 +1,1673 @@ +/* Set the current locale. -*- coding: utf-8 -*- + Copyright (C) 2009, 2011-2020 Free Software Foundation, Inc. + + 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 3 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 <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2009. */ + +#include <config.h> + +/* Override setlocale() so that when the default locale is requested + (locale = ""), the environment variables LC_ALL, LC_*, and LANG are + considered. + Also include all the functionality from libintl's setlocale() override. */ + +/* Please keep this file in sync with + gettext/gettext-runtime/intl/setlocale.c ! */ + +/* Specification. */ +#include <locale.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "localename.h" + +#if HAVE_CFLOCALECOPYPREFERREDLANGUAGES || HAVE_CFPREFERENCESCOPYAPPVALUE +# if HAVE_CFLOCALECOPYPREFERREDLANGUAGES +# include <CoreFoundation/CFLocale.h> +# elif HAVE_CFPREFERENCESCOPYAPPVALUE +# include <CoreFoundation/CFPreferences.h> +# endif +# include <CoreFoundation/CFPropertyList.h> +# include <CoreFoundation/CFArray.h> +# include <CoreFoundation/CFString.h> +extern void gl_locale_name_canonicalize (char *name); +#endif + +#if 1 + +# undef setlocale + +/* Which of the replacements to activate? */ +# if NEED_SETLOCALE_IMPROVED +# define setlocale_improved rpl_setlocale +# elif NEED_SETLOCALE_MTSAFE +# define setlocale_mtsafe rpl_setlocale +# else +# error "This file should only be compiled if NEED_SETLOCALE_IMPROVED || NEED_SETLOCALE_MTSAFE." +# endif + +/* Like setlocale, but guaranteed to be multithread-safe if LOCALE == NULL. */ +# if !SETLOCALE_NULL_ALL_MTSAFE || !SETLOCALE_NULL_ONE_MTSAFE /* i.e. if NEED_SETLOCALE_MTSAFE */ + +# if NEED_SETLOCALE_IMPROVED +static +# endif +char * +setlocale_mtsafe (int category, const char *locale) +{ + if (locale == NULL) + return (char *) setlocale_null (category); + else + return setlocale (category, locale); +} +# else /* !NEED_SETLOCALE_MTSAFE */ + +# define setlocale_mtsafe setlocale + +# endif /* NEED_SETLOCALE_MTSAFE */ + +# if NEED_SETLOCALE_IMPROVED + +/* Return string representation of locale category CATEGORY. */ +static const char * +category_to_name (int category) +{ + const char *retval; + + switch (category) + { + case LC_COLLATE: + retval = "LC_COLLATE"; + break; + case LC_CTYPE: + retval = "LC_CTYPE"; + break; + case LC_MONETARY: + retval = "LC_MONETARY"; + break; + case LC_NUMERIC: + retval = "LC_NUMERIC"; + break; + case LC_TIME: + retval = "LC_TIME"; + break; + case LC_MESSAGES: + retval = "LC_MESSAGES"; + break; + default: + /* If you have a better idea for a default value let me know. */ + retval = "LC_XXX"; + } + + return retval; +} + +# if defined _WIN32 && ! defined __CYGWIN__ + +/* The native Windows setlocale() function expects locale names of the form + "German" or "German_Germany" or "DEU", but not "de" or "de_DE". We need + to convert the names from the form with ISO 639 language code and ISO 3166 + country code to the form with English names or with three-letter identifier. + The three-letter identifiers known by a Windows XP SP2 or SP3 are: + AFK Afrikaans_South Africa.1252 + ARA Arabic_Saudi Arabia.1256 + ARB Arabic_Lebanon.1256 + ARE Arabic_Egypt.1256 + ARG Arabic_Algeria.1256 + ARH Arabic_Bahrain.1256 + ARI Arabic_Iraq.1256 + ARJ Arabic_Jordan.1256 + ARK Arabic_Kuwait.1256 + ARL Arabic_Libya.1256 + ARM Arabic_Morocco.1256 + ARO Arabic_Oman.1256 + ARQ Arabic_Qatar.1256 + ARS Arabic_Syria.1256 + ART Arabic_Tunisia.1256 + ARU Arabic_U.A.E..1256 + ARY Arabic_Yemen.1256 + AZE Azeri (Latin)_Azerbaijan.1254 + BEL Belarusian_Belarus.1251 + BGR Bulgarian_Bulgaria.1251 + BSB Bosnian_Bosnia and Herzegovina.1250 + BSC Bosnian (Cyrillic)_Bosnia and Herzegovina.1250 (wrong encoding!) + CAT Catalan_Spain.1252 + CHH Chinese_Hong Kong S.A.R..950 + CHI Chinese_Singapore.936 + CHS Chinese_People's Republic of China.936 + CHT Chinese_Taiwan.950 + CSY Czech_Czech Republic.1250 + CYM Welsh_United Kingdom.1252 + DAN Danish_Denmark.1252 + DEA German_Austria.1252 + DEC German_Liechtenstein.1252 + DEL German_Luxembourg.1252 + DES German_Switzerland.1252 + DEU German_Germany.1252 + ELL Greek_Greece.1253 + ENA English_Australia.1252 + ENB English_Caribbean.1252 + ENC English_Canada.1252 + ENG English_United Kingdom.1252 + ENI English_Ireland.1252 + ENJ English_Jamaica.1252 + ENL English_Belize.1252 + ENP English_Republic of the Philippines.1252 + ENS English_South Africa.1252 + ENT English_Trinidad and Tobago.1252 + ENU English_United States.1252 + ENW English_Zimbabwe.1252 + ENZ English_New Zealand.1252 + ESA Spanish_Panama.1252 + ESB Spanish_Bolivia.1252 + ESC Spanish_Costa Rica.1252 + ESD Spanish_Dominican Republic.1252 + ESE Spanish_El Salvador.1252 + ESF Spanish_Ecuador.1252 + ESG Spanish_Guatemala.1252 + ESH Spanish_Honduras.1252 + ESI Spanish_Nicaragua.1252 + ESL Spanish_Chile.1252 + ESM Spanish_Mexico.1252 + ESN Spanish_Spain.1252 + ESO Spanish_Colombia.1252 + ESP Spanish_Spain.1252 + ESR Spanish_Peru.1252 + ESS Spanish_Argentina.1252 + ESU Spanish_Puerto Rico.1252 + ESV Spanish_Venezuela.1252 + ESY Spanish_Uruguay.1252 + ESZ Spanish_Paraguay.1252 + ETI Estonian_Estonia.1257 + EUQ Basque_Spain.1252 + FAR Farsi_Iran.1256 + FIN Finnish_Finland.1252 + FOS Faroese_Faroe Islands.1252 + FPO Filipino_Philippines.1252 + FRA French_France.1252 + FRB French_Belgium.1252 + FRC French_Canada.1252 + FRL French_Luxembourg.1252 + FRM French_Principality of Monaco.1252 + FRS French_Switzerland.1252 + FYN Frisian_Netherlands.1252 + GLC Galician_Spain.1252 + HEB Hebrew_Israel.1255 + HRB Croatian_Bosnia and Herzegovina.1250 + HRV Croatian_Croatia.1250 + HUN Hungarian_Hungary.1250 + IND Indonesian_Indonesia.1252 + IRE Irish_Ireland.1252 + ISL Icelandic_Iceland.1252 + ITA Italian_Italy.1252 + ITS Italian_Switzerland.1252 + IUK Inuktitut (Latin)_Canada.1252 + JPN Japanese_Japan.932 + KKZ Kazakh_Kazakhstan.1251 + KOR Korean_Korea.949 + KYR Kyrgyz_Kyrgyzstan.1251 + LBX Luxembourgish_Luxembourg.1252 + LTH Lithuanian_Lithuania.1257 + LVI Latvian_Latvia.1257 + MKI FYRO Macedonian_Former Yugoslav Republic of Macedonia.1251 + MON Mongolian_Mongolia.1251 + MPD Mapudungun_Chile.1252 + MSB Malay_Brunei Darussalam.1252 + MSL Malay_Malaysia.1252 + MWK Mohawk_Canada.1252 + NLB Dutch_Belgium.1252 + NLD Dutch_Netherlands.1252 + NON Norwegian-Nynorsk_Norway.1252 + NOR Norwegian (Bokmål)_Norway.1252 + NSO Northern Sotho_South Africa.1252 + PLK Polish_Poland.1250 + PTB Portuguese_Brazil.1252 + PTG Portuguese_Portugal.1252 + QUB Quechua_Bolivia.1252 + QUE Quechua_Ecuador.1252 + QUP Quechua_Peru.1252 + RMC Romansh_Switzerland.1252 + ROM Romanian_Romania.1250 + RUS Russian_Russia.1251 + SKY Slovak_Slovakia.1250 + SLV Slovenian_Slovenia.1250 + SMA Sami (Southern)_Norway.1252 + SMB Sami (Southern)_Sweden.1252 + SME Sami (Northern)_Norway.1252 + SMF Sami (Northern)_Sweden.1252 + SMG Sami (Northern)_Finland.1252 + SMJ Sami (Lule)_Norway.1252 + SMK Sami (Lule)_Sweden.1252 + SMN Sami (Inari)_Finland.1252 + SMS Sami (Skolt)_Finland.1252 + SQI Albanian_Albania.1250 + SRB Serbian (Cyrillic)_Serbia and Montenegro.1251 + SRL Serbian (Latin)_Serbia and Montenegro.1250 + SRN Serbian (Cyrillic)_Bosnia and Herzegovina.1251 + SRS Serbian (Latin)_Bosnia and Herzegovina.1250 + SVE Swedish_Sweden.1252 + SVF Swedish_Finland.1252 + SWK Swahili_Kenya.1252 + THA Thai_Thailand.874 + TRK Turkish_Turkey.1254 + TSN Tswana_South Africa.1252 + TTT Tatar_Russia.1251 + UKR Ukrainian_Ukraine.1251 + URD Urdu_Islamic Republic of Pakistan.1256 + USA English_United States.1252 + UZB Uzbek (Latin)_Uzbekistan.1254 + VIT Vietnamese_Viet Nam.1258 + XHO Xhosa_South Africa.1252 + ZHH Chinese_Hong Kong S.A.R..950 + ZHI Chinese_Singapore.936 + ZHM Chinese_Macau S.A.R..950 + ZUL Zulu_South Africa.1252 + */ + +/* Table from ISO 639 language code, optionally with country or script suffix, + to English name. + Keep in sync with the gl_locale_name_from_win32_LANGID function in + localename.c! */ +struct table_entry +{ + const char *code; + const char *english; +}; +static const struct table_entry language_table[] = + { + { "af", "Afrikaans" }, + { "am", "Amharic" }, + { "ar", "Arabic" }, + { "arn", "Mapudungun" }, + { "as", "Assamese" }, + { "az@cyrillic", "Azeri (Cyrillic)" }, + { "az@latin", "Azeri (Latin)" }, + { "ba", "Bashkir" }, + { "be", "Belarusian" }, + { "ber", "Tamazight" }, + { "ber@arabic", "Tamazight (Arabic)" }, + { "ber@latin", "Tamazight (Latin)" }, + { "bg", "Bulgarian" }, + { "bin", "Edo" }, + { "bn", "Bengali" }, + { "bn_BD", "Bengali (Bangladesh)" }, + { "bn_IN", "Bengali (India)" }, + { "bnt", "Sutu" }, + { "bo", "Tibetan" }, + { "br", "Breton" }, + { "bs", "BSB" }, /* "Bosnian (Latin)" */ + { "bs@cyrillic", "BSC" }, /* Bosnian (Cyrillic) */ + { "ca", "Catalan" }, + { "chr", "Cherokee" }, + { "co", "Corsican" }, + { "cpe", "Hawaiian" }, + { "cs", "Czech" }, + { "cy", "Welsh" }, + { "da", "Danish" }, + { "de", "German" }, + { "dsb", "Lower Sorbian" }, + { "dv", "Divehi" }, + { "el", "Greek" }, + { "en", "English" }, + { "es", "Spanish" }, + { "et", "Estonian" }, + { "eu", "Basque" }, + { "fa", "Farsi" }, + { "ff", "Fulfulde" }, + { "fi", "Finnish" }, + { "fo", "Faroese" }, /* "Faeroese" does not work */ + { "fr", "French" }, + { "fy", "Frisian" }, + { "ga", "IRE" }, /* Gaelic (Ireland) */ + { "gd", "Gaelic (Scotland)" }, + { "gd", "Scottish Gaelic" }, + { "gl", "Galician" }, + { "gn", "Guarani" }, + { "gsw", "Alsatian" }, + { "gu", "Gujarati" }, + { "ha", "Hausa" }, + { "he", "Hebrew" }, + { "hi", "Hindi" }, + { "hr", "Croatian" }, + { "hsb", "Upper Sorbian" }, + { "hu", "Hungarian" }, + { "hy", "Armenian" }, + { "id", "Indonesian" }, + { "ig", "Igbo" }, + { "ii", "Yi" }, + { "is", "Icelandic" }, + { "it", "Italian" }, + { "iu", "IUK" }, /* Inuktitut */ + { "ja", "Japanese" }, + { "ka", "Georgian" }, + { "kk", "Kazakh" }, + { "kl", "Greenlandic" }, + { "km", "Cambodian" }, + { "km", "Khmer" }, + { "kn", "Kannada" }, + { "ko", "Korean" }, + { "kok", "Konkani" }, + { "kr", "Kanuri" }, + { "ks", "Kashmiri" }, + { "ks_IN", "Kashmiri_India" }, + { "ks_PK", "Kashmiri (Arabic)_Pakistan" }, + { "ky", "Kyrgyz" }, + { "la", "Latin" }, + { "lb", "Luxembourgish" }, + { "lo", "Lao" }, + { "lt", "Lithuanian" }, + { "lv", "Latvian" }, + { "mi", "Maori" }, + { "mk", "FYRO Macedonian" }, + { "mk", "Macedonian" }, + { "ml", "Malayalam" }, + { "mn", "Mongolian" }, + { "mni", "Manipuri" }, + { "moh", "Mohawk" }, + { "mr", "Marathi" }, + { "ms", "Malay" }, + { "mt", "Maltese" }, + { "my", "Burmese" }, + { "nb", "NOR" }, /* Norwegian Bokmål */ + { "ne", "Nepali" }, + { "nic", "Ibibio" }, + { "nl", "Dutch" }, + { "nn", "NON" }, /* Norwegian Nynorsk */ + { "no", "Norwegian" }, + { "nso", "Northern Sotho" }, + { "nso", "Sepedi" }, + { "oc", "Occitan" }, + { "om", "Oromo" }, + { "or", "Oriya" }, + { "pa", "Punjabi" }, + { "pap", "Papiamentu" }, + { "pl", "Polish" }, + { "prs", "Dari" }, + { "ps", "Pashto" }, + { "pt", "Portuguese" }, + { "qu", "Quechua" }, + { "qut", "K'iche'" }, + { "rm", "Romansh" }, + { "ro", "Romanian" }, + { "ru", "Russian" }, + { "rw", "Kinyarwanda" }, + { "sa", "Sanskrit" }, + { "sah", "Yakut" }, + { "sd", "Sindhi" }, + { "se", "Sami (Northern)" }, + { "se", "Northern Sami" }, + { "si", "Sinhalese" }, + { "sk", "Slovak" }, + { "sl", "Slovenian" }, + { "sma", "Sami (Southern)" }, + { "sma", "Southern Sami" }, + { "smj", "Sami (Lule)" }, + { "smj", "Lule Sami" }, + { "smn", "Sami (Inari)" }, + { "smn", "Inari Sami" }, + { "sms", "Sami (Skolt)" }, + { "sms", "Skolt Sami" }, + { "so", "Somali" }, + { "sq", "Albanian" }, + { "sr", "Serbian (Latin)" }, + { "sr@cyrillic", "SRB" }, /* Serbian (Cyrillic) */ + { "sv", "Swedish" }, + { "sw", "Swahili" }, + { "syr", "Syriac" }, + { "ta", "Tamil" }, + { "te", "Telugu" }, + { "tg", "Tajik" }, + { "th", "Thai" }, + { "ti", "Tigrinya" }, + { "tk", "Turkmen" }, + { "tl", "Filipino" }, + { "tn", "Tswana" }, + { "tr", "Turkish" }, + { "ts", "Tsonga" }, + { "tt", "Tatar" }, + { "ug", "Uighur" }, + { "uk", "Ukrainian" }, + { "ur", "Urdu" }, + { "uz", "Uzbek" }, + { "uz", "Uzbek (Latin)" }, + { "uz@cyrillic", "Uzbek (Cyrillic)" }, + { "ve", "Venda" }, + { "vi", "Vietnamese" }, + { "wen", "Sorbian" }, + { "wo", "Wolof" }, + { "xh", "Xhosa" }, + { "yi", "Yiddish" }, + { "yo", "Yoruba" }, + { "zh", "Chinese" }, + { "zu", "Zulu" } + }; + +/* Table from ISO 3166 country code to English name. + Keep in sync with the gl_locale_name_from_win32_LANGID function in + localename.c! */ +static const struct table_entry country_table[] = + { + { "AE", "U.A.E." }, + { "AF", "Afghanistan" }, + { "AL", "Albania" }, + { "AM", "Armenia" }, + { "AN", "Netherlands Antilles" }, + { "AR", "Argentina" }, + { "AT", "Austria" }, + { "AU", "Australia" }, + { "AZ", "Azerbaijan" }, + { "BA", "Bosnia and Herzegovina" }, + { "BD", "Bangladesh" }, + { "BE", "Belgium" }, + { "BG", "Bulgaria" }, + { "BH", "Bahrain" }, + { "BN", "Brunei Darussalam" }, + { "BO", "Bolivia" }, + { "BR", "Brazil" }, + { "BT", "Bhutan" }, + { "BY", "Belarus" }, + { "BZ", "Belize" }, + { "CA", "Canada" }, + { "CG", "Congo" }, + { "CH", "Switzerland" }, + { "CI", "Cote d'Ivoire" }, + { "CL", "Chile" }, + { "CM", "Cameroon" }, + { "CN", "People's Republic of China" }, + { "CO", "Colombia" }, + { "CR", "Costa Rica" }, + { "CS", "Serbia and Montenegro" }, + { "CZ", "Czech Republic" }, + { "DE", "Germany" }, + { "DK", "Denmark" }, + { "DO", "Dominican Republic" }, + { "DZ", "Algeria" }, + { "EC", "Ecuador" }, + { "EE", "Estonia" }, + { "EG", "Egypt" }, + { "ER", "Eritrea" }, + { "ES", "Spain" }, + { "ET", "Ethiopia" }, + { "FI", "Finland" }, + { "FO", "Faroe Islands" }, + { "FR", "France" }, + { "GB", "United Kingdom" }, + { "GD", "Caribbean" }, + { "GE", "Georgia" }, + { "GL", "Greenland" }, + { "GR", "Greece" }, + { "GT", "Guatemala" }, + { "HK", "Hong Kong" }, + { "HK", "Hong Kong S.A.R." }, + { "HN", "Honduras" }, + { "HR", "Croatia" }, + { "HT", "Haiti" }, + { "HU", "Hungary" }, + { "ID", "Indonesia" }, + { "IE", "Ireland" }, + { "IL", "Israel" }, + { "IN", "India" }, + { "IQ", "Iraq" }, + { "IR", "Iran" }, + { "IS", "Iceland" }, + { "IT", "Italy" }, + { "JM", "Jamaica" }, + { "JO", "Jordan" }, + { "JP", "Japan" }, + { "KE", "Kenya" }, + { "KG", "Kyrgyzstan" }, + { "KH", "Cambodia" }, + { "KR", "South Korea" }, + { "KW", "Kuwait" }, + { "KZ", "Kazakhstan" }, + { "LA", "Laos" }, + { "LB", "Lebanon" }, + { "LI", "Liechtenstein" }, + { "LK", "Sri Lanka" }, + { "LT", "Lithuania" }, + { "LU", "Luxembourg" }, + { "LV", "Latvia" }, + { "LY", "Libya" }, + { "MA", "Morocco" }, + { "MC", "Principality of Monaco" }, + { "MD", "Moldava" }, + { "MD", "Moldova" }, + { "ME", "Montenegro" }, + { "MK", "Former Yugoslav Republic of Macedonia" }, + { "ML", "Mali" }, + { "MM", "Myanmar" }, + { "MN", "Mongolia" }, + { "MO", "Macau S.A.R." }, + { "MT", "Malta" }, + { "MV", "Maldives" }, + { "MX", "Mexico" }, + { "MY", "Malaysia" }, + { "NG", "Nigeria" }, + { "NI", "Nicaragua" }, + { "NL", "Netherlands" }, + { "NO", "Norway" }, + { "NP", "Nepal" }, + { "NZ", "New Zealand" }, + { "OM", "Oman" }, + { "PA", "Panama" }, + { "PE", "Peru" }, + { "PH", "Philippines" }, + { "PK", "Islamic Republic of Pakistan" }, + { "PL", "Poland" }, + { "PR", "Puerto Rico" }, + { "PT", "Portugal" }, + { "PY", "Paraguay" }, + { "QA", "Qatar" }, + { "RE", "Reunion" }, + { "RO", "Romania" }, + { "RS", "Serbia" }, + { "RU", "Russia" }, + { "RW", "Rwanda" }, + { "SA", "Saudi Arabia" }, + { "SE", "Sweden" }, + { "SG", "Singapore" }, + { "SI", "Slovenia" }, + { "SK", "Slovak" }, + { "SN", "Senegal" }, + { "SO", "Somalia" }, + { "SR", "Suriname" }, + { "SV", "El Salvador" }, + { "SY", "Syria" }, + { "TH", "Thailand" }, + { "TJ", "Tajikistan" }, + { "TM", "Turkmenistan" }, + { "TN", "Tunisia" }, + { "TR", "Turkey" }, + { "TT", "Trinidad and Tobago" }, + { "TW", "Taiwan" }, + { "TZ", "Tanzania" }, + { "UA", "Ukraine" }, + { "US", "United States" }, + { "UY", "Uruguay" }, + { "VA", "Vatican" }, + { "VE", "Venezuela" }, + { "VN", "Viet Nam" }, + { "YE", "Yemen" }, + { "ZA", "South Africa" }, + { "ZW", "Zimbabwe" } + }; + +/* Given a string STRING, find the set of indices i such that TABLE[i].code is + the given STRING. It is a range [lo,hi-1]. */ +typedef struct { size_t lo; size_t hi; } range_t; +static void +search (const struct table_entry *table, size_t table_size, const char *string, + range_t *result) +{ + /* The table is sorted. Perform a binary search. */ + size_t hi = table_size; + size_t lo = 0; + while (lo < hi) + { + /* Invariant: + for i < lo, strcmp (table[i].code, string) < 0, + for i >= hi, strcmp (table[i].code, string) > 0. */ + size_t mid = (hi + lo) >> 1; /* >= lo, < hi */ + int cmp = strcmp (table[mid].code, string); + if (cmp < 0) + lo = mid + 1; + else if (cmp > 0) + hi = mid; + else + { + /* Found an i with + strcmp (language_table[i].code, string) == 0. + Find the entire interval of such i. */ + { + size_t i; + + for (i = mid; i > lo; ) + { + i--; + if (strcmp (table[i].code, string) < 0) + { + lo = i + 1; + break; + } + } + } + { + size_t i; + + for (i = mid + 1; i < hi; i++) + { + if (strcmp (table[i].code, string) > 0) + { + hi = i; + break; + } + } + } + /* The set of i with + strcmp (language_table[i].code, string) == 0 + is the interval [lo, hi-1]. */ + break; + } + } + result->lo = lo; + result->hi = hi; +} + +/* Like setlocale, but accept also locale names in the form ll or ll_CC, + where ll is an ISO 639 language code and CC is an ISO 3166 country code. */ +static char * +setlocale_unixlike (int category, const char *locale) +{ + char *result; + char llCC_buf[64]; + char ll_buf[64]; + char CC_buf[64]; + + /* The native Windows implementation of setlocale understands the special + locale name "C", but not "POSIX". Therefore map "POSIX" to "C". */ + if (locale != NULL && strcmp (locale, "POSIX") == 0) + locale = "C"; + + /* First, try setlocale with the original argument unchanged. */ + result = setlocale_mtsafe (category, locale); + if (result != NULL) + return result; + + /* Otherwise, assume the argument is in the form + language[_territory][.codeset][@modifier] + and try to map it using the tables. */ + if (strlen (locale) < sizeof (llCC_buf)) + { + /* Second try: Remove the codeset part. */ + { + const char *p = locale; + char *q = llCC_buf; + + /* Copy the part before the dot. */ + for (; *p != '\0' && *p != '.'; p++, q++) + *q = *p; + if (*p == '.') + /* Skip the part up to the '@', if any. */ + for (; *p != '\0' && *p != '@'; p++) + ; + /* Copy the part starting with '@', if any. */ + for (; *p != '\0'; p++, q++) + *q = *p; + *q = '\0'; + } + /* llCC_buf now contains + language[_territory][@modifier] + */ + if (strcmp (llCC_buf, locale) != 0) + { + result = setlocale (category, llCC_buf); + if (result != NULL) + return result; + } + /* Look it up in language_table. */ + { + range_t range; + size_t i; + + search (language_table, + sizeof (language_table) / sizeof (language_table[0]), + llCC_buf, + &range); + + for (i = range.lo; i < range.hi; i++) + { + /* Try the replacement in language_table[i]. */ + result = setlocale (category, language_table[i].english); + if (result != NULL) + return result; + } + } + /* Split language[_territory][@modifier] + into ll_buf = language[@modifier] + and CC_buf = territory + */ + { + const char *underscore = strchr (llCC_buf, '_'); + if (underscore != NULL) + { + const char *territory_start = underscore + 1; + const char *territory_end = strchr (territory_start, '@'); + if (territory_end == NULL) + territory_end = territory_start + strlen (territory_start); + + memcpy (ll_buf, llCC_buf, underscore - llCC_buf); + strcpy (ll_buf + (underscore - llCC_buf), territory_end); + + memcpy (CC_buf, territory_start, territory_end - territory_start); + CC_buf[territory_end - territory_start] = '\0'; + + { + /* Look up ll_buf in language_table + and CC_buf in country_table. */ + range_t language_range; + + search (language_table, + sizeof (language_table) / sizeof (language_table[0]), + ll_buf, + &language_range); + if (language_range.lo < language_range.hi) + { + range_t country_range; + + search (country_table, + sizeof (country_table) / sizeof (country_table[0]), + CC_buf, + &country_range); + if (country_range.lo < country_range.hi) + { + size_t i; + size_t j; + + for (i = language_range.lo; i < language_range.hi; i++) + for (j = country_range.lo; j < country_range.hi; j++) + { + /* Concatenate the replacements. */ + const char *part1 = language_table[i].english; + size_t part1_len = strlen (part1); + const char *part2 = country_table[j].english; + size_t part2_len = strlen (part2) + 1; + char buf[64+64]; + + if (!(part1_len + 1 + part2_len <= sizeof (buf))) + abort (); + memcpy (buf, part1, part1_len); + buf[part1_len] = '_'; + memcpy (buf + part1_len + 1, part2, part2_len); + + /* Try the concatenated replacements. */ + result = setlocale (category, buf); + if (result != NULL) + return result; + } + } + + /* Try omitting the country entirely. This may set a locale + corresponding to the wrong country, but is better than + failing entirely. */ + { + size_t i; + + for (i = language_range.lo; i < language_range.hi; i++) + { + /* Try only the language replacement. */ + result = + setlocale (category, language_table[i].english); + if (result != NULL) + return result; + } + } + } + } + } + } + } + + /* Failed. */ + return NULL; +} + +# elif defined __ANDROID__ + +/* Like setlocale, but accept also the locale names "C" and "POSIX". */ +static char * +setlocale_unixlike (int category, const char *locale) +{ + char *result = setlocale_mtsafe (category, locale); + if (result == NULL) + switch (category) + { + case LC_CTYPE: + case LC_NUMERIC: + case LC_TIME: + case LC_COLLATE: + case LC_MONETARY: + case LC_MESSAGES: + case LC_ALL: + case LC_PAPER: + case LC_NAME: + case LC_ADDRESS: + case LC_TELEPHONE: + case LC_MEASUREMENT: + if (locale == NULL + || strcmp (locale, "C") == 0 || strcmp (locale, "POSIX") == 0) + result = (char *) "C"; + break; + default: + break; + } + return result; +} +# define setlocale setlocale_unixlike + +# else +# define setlocale_unixlike setlocale_mtsafe +# endif + +# if LC_MESSAGES == 1729 + +/* The system does not store an LC_MESSAGES locale category. Do it here. */ +static char lc_messages_name[64] = "C"; + +/* Like setlocale, but support also LC_MESSAGES. */ +static char * +setlocale_single (int category, const char *locale) +{ + if (category == LC_MESSAGES) + { + if (locale != NULL) + { + lc_messages_name[sizeof (lc_messages_name) - 1] = '\0'; + strncpy (lc_messages_name, locale, sizeof (lc_messages_name) - 1); + } + return lc_messages_name; + } + else + return setlocale_unixlike (category, locale); +} + +# else +# define setlocale_single setlocale_unixlike +# endif + +# if defined __APPLE__ && defined __MACH__ + +/* Mapping from language to main territory where that language is spoken. */ +static char const locales_with_principal_territory[][6 + 1] = + { + /* Language Main territory */ + "ace_ID", /* Achinese Indonesia */ + "af_ZA", /* Afrikaans South Africa */ + "ak_GH", /* Akan Ghana */ + "am_ET", /* Amharic Ethiopia */ + "an_ES", /* Aragonese Spain */ + "ang_GB", /* Old English Britain */ + "arn_CL", /* Mapudungun Chile */ + "as_IN", /* Assamese India */ + "ast_ES", /* Asturian Spain */ + "av_RU", /* Avaric Russia */ + "awa_IN", /* Awadhi India */ + "az_AZ", /* Azerbaijani Azerbaijan */ + "ban_ID", /* Balinese Indonesia */ + "be_BY", /* Belarusian Belarus */ + "bej_SD", /* Beja Sudan */ + "bem_ZM", /* Bemba Zambia */ + "bg_BG", /* Bulgarian Bulgaria */ + "bho_IN", /* Bhojpuri India */ + "bi_VU", /* Bislama Vanuatu */ + "bik_PH", /* Bikol Philippines */ + "bin_NG", /* Bini Nigeria */ + "bm_ML", /* Bambara Mali */ + "bn_IN", /* Bengali India */ + "bo_CN", /* Tibetan China */ + "br_FR", /* Breton France */ + "bs_BA", /* Bosnian Bosnia */ + "bug_ID", /* Buginese Indonesia */ + "ca_ES", /* Catalan Spain */ + "ce_RU", /* Chechen Russia */ + "ceb_PH", /* Cebuano Philippines */ + "co_FR", /* Corsican France */ + "cr_CA", /* Cree Canada */ + /* Don't put "crh_UZ" or "crh_UA" here. That would be asking for fruitless + political discussion. */ + "cs_CZ", /* Czech Czech Republic */ + "csb_PL", /* Kashubian Poland */ + "cy_GB", /* Welsh Britain */ + "da_DK", /* Danish Denmark */ + "de_DE", /* German Germany */ + "din_SD", /* Dinka Sudan */ + "doi_IN", /* Dogri India */ + "dsb_DE", /* Lower Sorbian Germany */ + "dv_MV", /* Divehi Maldives */ + "dz_BT", /* Dzongkha Bhutan */ + "ee_GH", /* Éwé Ghana */ + "el_GR", /* Greek Greece */ + /* Don't put "en_GB" or "en_US" here. That would be asking for fruitless + political discussion. */ + "es_ES", /* Spanish Spain */ + "et_EE", /* Estonian Estonia */ + "fa_IR", /* Persian Iran */ + "fi_FI", /* Finnish Finland */ + "fil_PH", /* Filipino Philippines */ + "fj_FJ", /* Fijian Fiji */ + "fo_FO", /* Faroese Faeroe Islands */ + "fon_BJ", /* Fon Benin */ + "fr_FR", /* French France */ + "fur_IT", /* Friulian Italy */ + "fy_NL", /* Western Frisian Netherlands */ + "ga_IE", /* Irish Ireland */ + "gd_GB", /* Scottish Gaelic Britain */ + "gon_IN", /* Gondi India */ + "gsw_CH", /* Swiss German Switzerland */ + "gu_IN", /* Gujarati India */ + "he_IL", /* Hebrew Israel */ + "hi_IN", /* Hindi India */ + "hil_PH", /* Hiligaynon Philippines */ + "hr_HR", /* Croatian Croatia */ + "hsb_DE", /* Upper Sorbian Germany */ + "ht_HT", /* Haitian Haiti */ + "hu_HU", /* Hungarian Hungary */ + "hy_AM", /* Armenian Armenia */ + "id_ID", /* Indonesian Indonesia */ + "ig_NG", /* Igbo Nigeria */ + "ii_CN", /* Sichuan Yi China */ + "ilo_PH", /* Iloko Philippines */ + "is_IS", /* Icelandic Iceland */ + "it_IT", /* Italian Italy */ + "ja_JP", /* Japanese Japan */ + "jab_NG", /* Hyam Nigeria */ + "jv_ID", /* Javanese Indonesia */ + "ka_GE", /* Georgian Georgia */ + "kab_DZ", /* Kabyle Algeria */ + "kaj_NG", /* Jju Nigeria */ + "kam_KE", /* Kamba Kenya */ + "kmb_AO", /* Kimbundu Angola */ + "kcg_NG", /* Tyap Nigeria */ + "kdm_NG", /* Kagoma Nigeria */ + "kg_CD", /* Kongo Democratic Republic of Congo */ + "kk_KZ", /* Kazakh Kazakhstan */ + "kl_GL", /* Kalaallisut Greenland */ + "km_KH", /* Central Khmer Cambodia */ + "kn_IN", /* Kannada India */ + "ko_KR", /* Korean Korea (South) */ + "kok_IN", /* Konkani India */ + "kr_NG", /* Kanuri Nigeria */ + "kru_IN", /* Kurukh India */ + "ky_KG", /* Kyrgyz Kyrgyzstan */ + "lg_UG", /* Ganda Uganda */ + "li_BE", /* Limburgish Belgium */ + "lo_LA", /* Laotian Laos */ + "lt_LT", /* Lithuanian Lithuania */ + "lu_CD", /* Luba-Katanga Democratic Republic of Congo */ + "lua_CD", /* Luba-Lulua Democratic Republic of Congo */ + "luo_KE", /* Luo Kenya */ + "lv_LV", /* Latvian Latvia */ + "mad_ID", /* Madurese Indonesia */ + "mag_IN", /* Magahi India */ + "mai_IN", /* Maithili India */ + "mak_ID", /* Makasar Indonesia */ + "man_ML", /* Mandingo Mali */ + "men_SL", /* Mende Sierra Leone */ + "mfe_MU", /* Mauritian Creole Mauritius */ + "mg_MG", /* Malagasy Madagascar */ + "mi_NZ", /* Maori New Zealand */ + "min_ID", /* Minangkabau Indonesia */ + "mk_MK", /* Macedonian North Macedonia */ + "ml_IN", /* Malayalam India */ + "mn_MN", /* Mongolian Mongolia */ + "mni_IN", /* Manipuri India */ + "mos_BF", /* Mossi Burkina Faso */ + "mr_IN", /* Marathi India */ + "ms_MY", /* Malay Malaysia */ + "mt_MT", /* Maltese Malta */ + "mwr_IN", /* Marwari India */ + "my_MM", /* Burmese Myanmar */ + "na_NR", /* Nauru Nauru */ + "nah_MX", /* Nahuatl Mexico */ + "nap_IT", /* Neapolitan Italy */ + "nb_NO", /* Norwegian Bokmål Norway */ + "nds_DE", /* Low Saxon Germany */ + "ne_NP", /* Nepali Nepal */ + "nl_NL", /* Dutch Netherlands */ + "nn_NO", /* Norwegian Nynorsk Norway */ + "no_NO", /* Norwegian Norway */ + "nr_ZA", /* South Ndebele South Africa */ + "nso_ZA", /* Northern Sotho South Africa */ + "ny_MW", /* Chichewa Malawi */ + "nym_TZ", /* Nyamwezi Tanzania */ + "nyn_UG", /* Nyankole Uganda */ + "oc_FR", /* Occitan France */ + "oj_CA", /* Ojibwa Canada */ + "or_IN", /* Oriya India */ + "pa_IN", /* Punjabi India */ + "pag_PH", /* Pangasinan Philippines */ + "pam_PH", /* Pampanga Philippines */ + "pap_AN", /* Papiamento Netherlands Antilles - this line can be removed in 2018 */ + "pbb_CO", /* Páez Colombia */ + "pl_PL", /* Polish Poland */ + "ps_AF", /* Pashto Afghanistan */ + "pt_PT", /* Portuguese Portugal */ + "raj_IN", /* Rajasthani India */ + "rm_CH", /* Romansh Switzerland */ + "rn_BI", /* Kirundi Burundi */ + "ro_RO", /* Romanian Romania */ + "ru_RU", /* Russian Russia */ + "rw_RW", /* Kinyarwanda Rwanda */ + "sa_IN", /* Sanskrit India */ + "sah_RU", /* Yakut Russia */ + "sas_ID", /* Sasak Indonesia */ + "sat_IN", /* Santali India */ + "sc_IT", /* Sardinian Italy */ + "scn_IT", /* Sicilian Italy */ + "sg_CF", /* Sango Central African Republic */ + "shn_MM", /* Shan Myanmar */ + "si_LK", /* Sinhala Sri Lanka */ + "sid_ET", /* Sidamo Ethiopia */ + "sk_SK", /* Slovak Slovakia */ + "sl_SI", /* Slovenian Slovenia */ + "sm_WS", /* Samoan Samoa */ + "smn_FI", /* Inari Sami Finland */ + "sms_FI", /* Skolt Sami Finland */ + "so_SO", /* Somali Somalia */ + "sq_AL", /* Albanian Albania */ + "sr_RS", /* Serbian Serbia */ + "srr_SN", /* Serer Senegal */ + "suk_TZ", /* Sukuma Tanzania */ + "sus_GN", /* Susu Guinea */ + "sv_SE", /* Swedish Sweden */ + "te_IN", /* Telugu India */ + "tem_SL", /* Timne Sierra Leone */ + "tet_ID", /* Tetum Indonesia */ + "tg_TJ", /* Tajik Tajikistan */ + "th_TH", /* Thai Thailand */ + "ti_ER", /* Tigrinya Eritrea */ + "tiv_NG", /* Tiv Nigeria */ + "tk_TM", /* Turkmen Turkmenistan */ + "tl_PH", /* Tagalog Philippines */ + "to_TO", /* Tonga Tonga */ + "tpi_PG", /* Tok Pisin Papua New Guinea */ + "tr_TR", /* Turkish Turkey */ + "tum_MW", /* Tumbuka Malawi */ + "ug_CN", /* Uighur China */ + "uk_UA", /* Ukrainian Ukraine */ + "umb_AO", /* Umbundu Angola */ + "ur_PK", /* Urdu Pakistan */ + "uz_UZ", /* Uzbek Uzbekistan */ + "ve_ZA", /* Venda South Africa */ + "vi_VN", /* Vietnamese Vietnam */ + "wa_BE", /* Walloon Belgium */ + "wal_ET", /* Walamo Ethiopia */ + "war_PH", /* Waray Philippines */ + "wen_DE", /* Sorbian Germany */ + "yao_MW", /* Yao Malawi */ + "zap_MX" /* Zapotec Mexico */ + }; + +/* Compare just the language part of two locale names. */ +static int +langcmp (const char *locale1, const char *locale2) +{ + size_t locale1_len; + size_t locale2_len; + int cmp; + + { + const char *locale1_end = strchr (locale1, '_'); + if (locale1_end != NULL) + locale1_len = locale1_end - locale1; + else + locale1_len = strlen (locale1); + } + { + const char *locale2_end = strchr (locale2, '_'); + if (locale2_end != NULL) + locale2_len = locale2_end - locale2; + else + locale2_len = strlen (locale2); + } + + if (locale1_len < locale2_len) + { + cmp = memcmp (locale1, locale2, locale1_len); + if (cmp == 0) + cmp = -1; + } + else + { + cmp = memcmp (locale1, locale2, locale2_len); + if (locale1_len > locale2_len && cmp == 0) + cmp = 1; + } + + return cmp; +} + +/* Given a locale name, return the main locale with the same language, + or NULL if not found. + For example: "fr_DE" -> "fr_FR". */ +static const char * +get_main_locale_with_same_language (const char *locale) +{ +# define table locales_with_principal_territory + /* The table is sorted. Perform a binary search. */ + size_t hi = sizeof (table) / sizeof (table[0]); + size_t lo = 0; + while (lo < hi) + { + /* Invariant: + for i < lo, langcmp (table[i], locale) < 0, + for i >= hi, langcmp (table[i], locale) > 0. */ + size_t mid = (hi + lo) >> 1; /* >= lo, < hi */ + int cmp = langcmp (table[mid], locale); + if (cmp < 0) + lo = mid + 1; + else if (cmp > 0) + hi = mid; + else + { + /* Found an i with + langcmp (language_table[i], locale) == 0. + Verify that it is the only such i. */ + if (mid > lo && langcmp (table[mid - 1], locale) >= 0) + abort (); + if (mid + 1 < hi && langcmp (table[mid + 1], locale) <= 0) + abort (); + return table[mid]; + } + } +# undef table + return NULL; +} + +/* Mapping from territory to main language that is spoken in that territory. */ +static char const locales_with_principal_language[][6 + 1] = + { + /* This is based on the set of existing locales in glibc, with duplicates + removed, and on the Wikipedia pages named "Languages of <territory>". + If in doubt, use the locale that exists in macOS. For example, the only + "*_IN" locale in macOS 10.13 is "hi_IN", so use that. */ + /* A useful shell function for producing a line of this table is: + func_line () + { + # Usage: func_line ll_CC + ll=`echo "$1" | sed -e 's|_.*||'` + cc=`echo "$1" | sed -e 's|^.*_||'` + llx=`sed -n -e "s|^${ll} ||p" < gettext-tools/doc/ISO_639` + ccx=`expand gettext-tools/doc/ISO_3166 | sed -n -e "s|^${cc} *||p"` + echo " \"$1\", /$X* ${llx} ${ccx} *$X/" + } + */ + /* Main language Territory */ + "ca_AD", /* Catalan Andorra */ + "ar_AE", /* Arabic United Arab Emirates */ + "ps_AF", /* Pashto Afghanistan */ + "en_AG", /* English Antigua and Barbuda */ + "sq_AL", /* Albanian Albania */ + "hy_AM", /* Armenian Armenia */ + "pap_AN", /* Papiamento Netherlands Antilles - this line can be removed in 2018 */ + "pt_AO", /* Portuguese Angola */ + "es_AR", /* Spanish Argentina */ + "de_AT", /* German Austria */ + "en_AU", /* English Australia */ + /* Aruba has two official languages: "nl_AW", "pap_AW". */ + "az_AZ", /* Azerbaijani Azerbaijan */ + "bs_BA", /* Bosnian Bosnia */ + "bn_BD", /* Bengali Bangladesh */ + "nl_BE", /* Dutch Belgium */ + "fr_BF", /* French Burkina Faso */ + "bg_BG", /* Bulgarian Bulgaria */ + "ar_BH", /* Arabic Bahrain */ + "rn_BI", /* Kirundi Burundi */ + "fr_BJ", /* French Benin */ + "es_BO", /* Spanish Bolivia */ + "pt_BR", /* Portuguese Brazil */ + "dz_BT", /* Dzongkha Bhutan */ + "en_BW", /* English Botswana */ + "be_BY", /* Belarusian Belarus */ + "en_CA", /* English Canada */ + "fr_CD", /* French Democratic Republic of Congo */ + "sg_CF", /* Sango Central African Republic */ + "de_CH", /* German Switzerland */ + "es_CL", /* Spanish Chile */ + "zh_CN", /* Chinese China */ + "es_CO", /* Spanish Colombia */ + "es_CR", /* Spanish Costa Rica */ + "es_CU", /* Spanish Cuba */ + /* Curaçao has three official languages: "nl_CW", "pap_CW", "en_CW". */ + "el_CY", /* Greek Cyprus */ + "cs_CZ", /* Czech Czech Republic */ + "de_DE", /* German Germany */ + /* Djibouti has two official languages: "ar_DJ" and "fr_DJ". */ + "da_DK", /* Danish Denmark */ + "es_DO", /* Spanish Dominican Republic */ + "ar_DZ", /* Arabic Algeria */ + "es_EC", /* Spanish Ecuador */ + "et_EE", /* Estonian Estonia */ + "ar_EG", /* Arabic Egypt */ + "ti_ER", /* Tigrinya Eritrea */ + "es_ES", /* Spanish Spain */ + "am_ET", /* Amharic Ethiopia */ + "fi_FI", /* Finnish Finland */ + /* Fiji has three official languages: "en_FJ", "fj_FJ", "hif_FJ". */ + "fo_FO", /* Faroese Faeroe Islands */ + "fr_FR", /* French France */ + "en_GB", /* English Britain */ + "ka_GE", /* Georgian Georgia */ + "en_GH", /* English Ghana */ + "kl_GL", /* Kalaallisut Greenland */ + "fr_GN", /* French Guinea */ + "el_GR", /* Greek Greece */ + "es_GT", /* Spanish Guatemala */ + "zh_HK", /* Chinese Hong Kong */ + "es_HN", /* Spanish Honduras */ + "hr_HR", /* Croatian Croatia */ + "ht_HT", /* Haitian Haiti */ + "hu_HU", /* Hungarian Hungary */ + "id_ID", /* Indonesian Indonesia */ + "en_IE", /* English Ireland */ + "he_IL", /* Hebrew Israel */ + "hi_IN", /* Hindi India */ + "ar_IQ", /* Arabic Iraq */ + "fa_IR", /* Persian Iran */ + "is_IS", /* Icelandic Iceland */ + "it_IT", /* Italian Italy */ + "ar_JO", /* Arabic Jordan */ + "ja_JP", /* Japanese Japan */ + "sw_KE", /* Swahili Kenya */ + "ky_KG", /* Kyrgyz Kyrgyzstan */ + "km_KH", /* Central Khmer Cambodia */ + "ko_KR", /* Korean Korea (South) */ + "ar_KW", /* Arabic Kuwait */ + "kk_KZ", /* Kazakh Kazakhstan */ + "lo_LA", /* Laotian Laos */ + "ar_LB", /* Arabic Lebanon */ + "de_LI", /* German Liechtenstein */ + "si_LK", /* Sinhala Sri Lanka */ + "lt_LT", /* Lithuanian Lithuania */ + /* Luxembourg has three official languages: "lb_LU", "fr_LU", "de_LU". */ + "lv_LV", /* Latvian Latvia */ + "ar_LY", /* Arabic Libya */ + "ar_MA", /* Arabic Morocco */ + "sr_ME", /* Serbian Montenegro */ + "mg_MG", /* Malagasy Madagascar */ + "mk_MK", /* Macedonian North Macedonia */ + "fr_ML", /* French Mali */ + "my_MM", /* Burmese Myanmar */ + "mn_MN", /* Mongolian Mongolia */ + "mt_MT", /* Maltese Malta */ + "mfe_MU", /* Mauritian Creole Mauritius */ + "dv_MV", /* Divehi Maldives */ + "ny_MW", /* Chichewa Malawi */ + "es_MX", /* Spanish Mexico */ + "ms_MY", /* Malay Malaysia */ + "en_NG", /* English Nigeria */ + "es_NI", /* Spanish Nicaragua */ + "nl_NL", /* Dutch Netherlands */ + "no_NO", /* Norwegian Norway */ + "ne_NP", /* Nepali Nepal */ + "na_NR", /* Nauru Nauru */ + "niu_NU", /* Niuean Niue */ + "en_NZ", /* English New Zealand */ + "ar_OM", /* Arabic Oman */ + "es_PA", /* Spanish Panama */ + "es_PE", /* Spanish Peru */ + "tpi_PG", /* Tok Pisin Papua New Guinea */ + "fil_PH", /* Filipino Philippines */ + "pa_PK", /* Punjabi Pakistan */ + "pl_PL", /* Polish Poland */ + "es_PR", /* Spanish Puerto Rico */ + "pt_PT", /* Portuguese Portugal */ + "es_PY", /* Spanish Paraguay */ + "ar_QA", /* Arabic Qatar */ + "ro_RO", /* Romanian Romania */ + "sr_RS", /* Serbian Serbia */ + "ru_RU", /* Russian Russia */ + "rw_RW", /* Kinyarwanda Rwanda */ + "ar_SA", /* Arabic Saudi Arabia */ + "en_SC", /* English Seychelles */ + "ar_SD", /* Arabic Sudan */ + "sv_SE", /* Swedish Sweden */ + "en_SG", /* English Singapore */ + "sl_SI", /* Slovenian Slovenia */ + "sk_SK", /* Slovak Slovakia */ + "en_SL", /* English Sierra Leone */ + "fr_SN", /* French Senegal */ + "so_SO", /* Somali Somalia */ + "ar_SS", /* Arabic South Sudan */ + "es_SV", /* Spanish El Salvador */ + "ar_SY", /* Arabic Syria */ + "th_TH", /* Thai Thailand */ + "tg_TJ", /* Tajik Tajikistan */ + "tk_TM", /* Turkmen Turkmenistan */ + "ar_TN", /* Arabic Tunisia */ + "to_TO", /* Tonga Tonga */ + "tr_TR", /* Turkish Turkey */ + "zh_TW", /* Chinese Taiwan */ + "sw_TZ", /* Swahili Tanzania */ + "uk_UA", /* Ukrainian Ukraine */ + "lg_UG", /* Ganda Uganda */ + "en_US", /* English United States of America */ + "es_UY", /* Spanish Uruguay */ + "uz_UZ", /* Uzbek Uzbekistan */ + "es_VE", /* Spanish Venezuela */ + "vi_VN", /* Vietnamese Vietnam */ + "bi_VU", /* Bislama Vanuatu */ + "sm_WS", /* Samoan Samoa */ + "ar_YE", /* Arabic Yemen */ + "en_ZA", /* English South Africa */ + "en_ZM", /* English Zambia */ + "en_ZW" /* English Zimbabwe */ + }; + +/* Compare just the territory part of two locale names. */ +static int +terrcmp (const char *locale1, const char *locale2) +{ + const char *territory1 = strrchr (locale1, '_') + 1; + const char *territory2 = strrchr (locale2, '_') + 1; + + return strcmp (territory1, territory2); +} + +/* Given a locale name, return the locale corresponding to the main language + with the same territory, or NULL if not found. + For example: "fr_DE" -> "de_DE". */ +static const char * +get_main_locale_with_same_territory (const char *locale) +{ + if (strrchr (locale, '_') != NULL) + { +# define table locales_with_principal_language + /* The table is sorted. Perform a binary search. */ + size_t hi = sizeof (table) / sizeof (table[0]); + size_t lo = 0; + while (lo < hi) + { + /* Invariant: + for i < lo, terrcmp (table[i], locale) < 0, + for i >= hi, terrcmp (table[i], locale) > 0. */ + size_t mid = (hi + lo) >> 1; /* >= lo, < hi */ + int cmp = terrcmp (table[mid], locale); + if (cmp < 0) + lo = mid + 1; + else if (cmp > 0) + hi = mid; + else + { + /* Found an i with + terrcmp (language_table[i], locale) == 0. + Verify that it is the only such i. */ + if (mid > lo && terrcmp (table[mid - 1], locale) >= 0) + abort (); + if (mid + 1 < hi && terrcmp (table[mid + 1], locale) <= 0) + abort (); + return table[mid]; + } + } +# undef table + } + return NULL; +} + +# endif + +char * +setlocale_improved (int category, const char *locale) +{ + if (locale != NULL && locale[0] == '\0') + { + /* A request to the set the current locale to the default locale. */ + if (category == LC_ALL) + { + /* Set LC_CTYPE first. Then the other categories. */ + static int const categories[] = + { + LC_CTYPE, + LC_NUMERIC, + LC_TIME, + LC_COLLATE, + LC_MONETARY, + LC_MESSAGES + }; + char *saved_locale; + const char *base_name; + unsigned int i; + + /* Back up the old locale, in case one of the steps fails. */ + saved_locale = setlocale (LC_ALL, NULL); + if (saved_locale == NULL) + return NULL; + saved_locale = strdup (saved_locale); + if (saved_locale == NULL) + return NULL; + + /* Set LC_CTYPE category. Set all other categories (except possibly + LC_MESSAGES) to the same value in the same call; this is likely to + save calls. */ + base_name = + gl_locale_name_environ (LC_CTYPE, category_to_name (LC_CTYPE)); + if (base_name == NULL) + base_name = gl_locale_name_default (); + + if (setlocale_unixlike (LC_ALL, base_name) != NULL) + { + /* LC_CTYPE category already set. */ + i = 1; + } + else + { + /* On Mac OS X, "UTF-8" is a valid locale name for LC_CTYPE but + not for LC_ALL. Therefore this call may fail. So, try + another base_name. */ + base_name = "C"; + if (setlocale_unixlike (LC_ALL, base_name) == NULL) + goto fail; + i = 0; + } +# if defined _WIN32 && ! defined __CYGWIN__ + /* On native Windows, setlocale(LC_ALL,...) may succeed but set the + LC_CTYPE category to an invalid value ("C") when it does not + support the specified encoding. Report a failure instead. */ + if (strchr (base_name, '.') != NULL + && strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + goto fail; +# endif + + for (; i < sizeof (categories) / sizeof (categories[0]); i++) + { + int cat = categories[i]; + const char *name; + + name = gl_locale_name_environ (cat, category_to_name (cat)); + if (name == NULL) + name = gl_locale_name_default (); + + /* If name is the same as base_name, it has already been set + through the setlocale call before the loop. */ + if (strcmp (name, base_name) != 0 +# if LC_MESSAGES == 1729 + || cat == LC_MESSAGES +# endif + ) + if (setlocale_single (cat, name) == NULL) +# if defined __APPLE__ && defined __MACH__ + { + /* On Mac OS X 10.13, some locales can be set through + System Preferences > Language & Region, that are not + supported by libc. The system's setlocale() falls + back to "C" for these locale categories. We can do + better, by trying an existing locale with the same + language or an existing locale with the same territory. + If we can't, print a warning, to limit user + expectations. */ + int warn = 0; + + if (cat == LC_CTYPE) + warn = (setlocale_single (cat, "UTF-8") == NULL); + else if (cat == LC_MESSAGES) + { +# if HAVE_CFLOCALECOPYPREFERREDLANGUAGES || HAVE_CFPREFERENCESCOPYAPPVALUE /* MacOS X 10.4 or newer */ + /* Take the primary language preference. */ +# if HAVE_CFLOCALECOPYPREFERREDLANGUAGES /* MacOS X 10.5 or newer */ + CFArrayRef prefArray = CFLocaleCopyPreferredLanguages (); +# elif HAVE_CFPREFERENCESCOPYAPPVALUE /* MacOS X 10.4 or newer */ + CFTypeRef preferences = + CFPreferencesCopyAppValue (CFSTR ("AppleLanguages"), + kCFPreferencesCurrentApplication); + if (preferences != NULL + && CFGetTypeID (preferences) == CFArrayGetTypeID ()) + { + CFArrayRef prefArray = (CFArrayRef)preferences; +# endif + int n = CFArrayGetCount (prefArray); + if (n > 0) + { + char buf[256]; + CFTypeRef element = CFArrayGetValueAtIndex (prefArray, 0); + if (element != NULL + && CFGetTypeID (element) == CFStringGetTypeID () + && CFStringGetCString ((CFStringRef)element, + buf, sizeof (buf), + kCFStringEncodingASCII)) + { + /* Remove the country. + E.g. "zh-Hans-DE" -> "zh-Hans". */ + char *last_minus = strrchr (buf, '-'); + if (last_minus != NULL) + *last_minus = '\0'; + + /* Convert to Unix locale name. + E.g. "zh-Hans" -> "zh_CN". */ + gl_locale_name_canonicalize (buf); + + /* Try setlocale with this value. */ + if (setlocale_single (cat, buf) == NULL) + { + const char *last_try = + get_main_locale_with_same_language (buf); + + if (last_try == NULL + || setlocale_single (cat, last_try) == NULL) + warn = 1; + } + } + } +# if HAVE_CFLOCALECOPYPREFERREDLANGUAGES /* MacOS X 10.5 or newer */ + CFRelease (prefArray); +# elif HAVE_CFPREFERENCESCOPYAPPVALUE /* MacOS X 10.4 or newer */ + } +# endif +# else + const char *last_try = + get_main_locale_with_same_language (name); + + if (last_try == NULL + || setlocale_single (cat, last_try) == NULL) + warn = 1; +# endif + } + else + { + /* For LC_NUMERIC, the application should use the locale + properties kCFLocaleDecimalSeparator, + kCFLocaleGroupingSeparator. + For LC_TIME, the application should use the locale + property kCFLocaleCalendarIdentifier. + For LC_COLLATE, the application should use the locale + properties kCFLocaleCollationIdentifier, + kCFLocaleCollatorIdentifier. + For LC_MONETARY, the applicationshould use the locale + properties kCFLocaleCurrencySymbol, + kCFLocaleCurrencyCode. + But since most applications don't have macOS specific + code like this, try an existing locale with the same + territory. */ + const char *last_try = + get_main_locale_with_same_territory (name); + + if (last_try == NULL + || setlocale_single (cat, last_try) == NULL) + warn = 1; + } + + if (warn) + { + /* Warn only if the environment variable + SETLOCALE_VERBOSE is set. Otherwise these warnings + are just annoyances, since normal users won't invoke + 'localedef'. */ + const char *verbose = getenv ("SETLOCALE_VERBOSE"); + if (verbose != NULL && verbose[0] != '\0') + fprintf (stderr, + "Warning: Failed to set locale category %s to %s.\n", + category_to_name (cat), name); + } + } +# else + goto fail; +# endif + } + + /* All steps were successful. */ + free (saved_locale); + return setlocale (LC_ALL, NULL); + + fail: + if (saved_locale[0] != '\0') /* don't risk an endless recursion */ + setlocale (LC_ALL, saved_locale); + free (saved_locale); + return NULL; + } + else + { + const char *name = + gl_locale_name_environ (category, category_to_name (category)); + if (name == NULL) + name = gl_locale_name_default (); + + return setlocale_single (category, name); + } + } + else + { +# if defined _WIN32 && ! defined __CYGWIN__ + if (category == LC_ALL && locale != NULL && strchr (locale, '.') != NULL) + { + char *saved_locale; + + /* Back up the old locale. */ + saved_locale = setlocale (LC_ALL, NULL); + if (saved_locale == NULL) + return NULL; + saved_locale = strdup (saved_locale); + if (saved_locale == NULL) + return NULL; + + if (setlocale_unixlike (LC_ALL, locale) == NULL) + { + free (saved_locale); + return NULL; + } + + /* On native Windows, setlocale(LC_ALL,...) may succeed but set the + LC_CTYPE category to an invalid value ("C") when it does not + support the specified encoding. Report a failure instead. */ + if (strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + { + if (saved_locale[0] != '\0') /* don't risk an endless recursion */ + setlocale (LC_ALL, saved_locale); + free (saved_locale); + return NULL; + } + + /* It was really successful. */ + free (saved_locale); + return setlocale (LC_ALL, NULL); + } + else +# endif + return setlocale_single (category, locale); + } +} + +# endif /* NEED_SETLOCALE_IMPROVED */ + +#endif |