/* Set the current locale. -*- coding: utf-8 -*-
Copyright (C) 2009, 2011-2023 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see . */
/* Written by Bruno Haible , 2009. */
#include
/* 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
#include
#include
#include
#include "localename.h"
#if HAVE_CFLOCALECOPYPREFERREDLANGUAGES || HAVE_CFPREFERENCESCOPYAPPVALUE
# if HAVE_CFLOCALECOPYPREFERREDLANGUAGES
# include
# elif HAVE_CFPREFERENCESCOPYAPPVALUE
# include
# endif
# include
# include
# include
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 Türkiye */
"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 ".
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 Türkiye */
"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