| /**************************************************************************** |
| * * |
| * GNAT COMPILER COMPONENTS * |
| * * |
| * L O C A L E S * |
| * * |
| * C Implementation File * |
| * * |
| * Copyright (C) 2010-2021, Free Software Foundation, Inc. * |
| * * |
| * GNAT is free software; you can redistribute it and/or modify it under * |
| * terms of the GNU General Public License as published by the Free Soft- * |
| * ware Foundation; either version 3, or (at your option) any later ver- * |
| * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
| * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * |
| * or FITNESS FOR A PARTICULAR PURPOSE. * |
| * * |
| * As a special exception under Section 7 of GPL version 3, you are granted * |
| * additional permissions described in the GCC Runtime Library Exception, * |
| * version 3.1, as published by the Free Software Foundation. * |
| * * |
| * You should have received a copy of the GNU General Public License and * |
| * a copy of the GCC Runtime Library Exception along with this program; * |
| * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * |
| * <http://www.gnu.org/licenses/>. * |
| * * |
| * GNAT was originally developed by the GNAT team at New York University. * |
| * Extensive contributions were provided by Ada Core Technologies Inc. * |
| * * |
| ****************************************************************************/ |
| |
| /* This file provides OS-dependent support for the Ada.Locales package. */ |
| |
| #include <locale.h> |
| #include <ctype.h> |
| #include <stddef.h> |
| |
| typedef char char4 [4]; |
| |
| /* Table containing equivalences between ISO_639_1 codes and their ISO_639_3 |
| alpha-3 code plus their language name. */ |
| |
| static char* iso_639[] = |
| { |
| "aa", "aar", "Afar", |
| "ab", "abk", "Abkhazian", |
| "ae", "ave", "Avestan", |
| "af", "afr", "Afrikaans", |
| "ak", "aka", "Akan", |
| "am", "amh", "Amharic", |
| "an", "arg", "Aragonese", |
| "ar", "ara", "Arabic", |
| "as", "asm", "Assamese", |
| "av", "ava", "Avaric", |
| "ay", "aym", "Aymara", |
| "az", "aze", "Azerbaijani", |
| |
| "ba", "bak", "Bashkir", |
| "be", "bel", "Belarusian", |
| "bg", "bul", "Bulgarian", |
| "bi", "bis", "Bislama", |
| "bm", "bam", "Bambara", |
| "bn", "ben", "Bengali", |
| "bo", "bod", "Tibetan", |
| "br", "bre", "Breton", |
| "bs", "bos", "Bosnian", |
| |
| "ca", "cat", "Catalan", |
| "ce", "che", "Chechen", |
| "ch", "cha", "Chamorro", |
| "co", "cos", "Corsican", |
| "cr", "cre", "Cree", |
| "cs", "ces", "Czech", |
| "cu", "chu", "Church Slavic", |
| "cv", "chv", "Chuvash", |
| "cy", "cym", "Welsh", |
| |
| "da", "dan", "Danish", |
| "de", "deu", "German", |
| "dv", "div", "Divehi", |
| "dz", "dzo", "Dzongkha", |
| |
| "ee", "ewe", "Ewe", |
| "el", "ell", "Modern Greek", |
| "en", "eng", "English", |
| "eo", "epo", "Esperanto", |
| "es", "spa", "Spanish", |
| "et", "est", "Estonian", |
| "eu", "eus", "Basque", |
| |
| "fa", "fas", "Persian", |
| "ff", "ful", "Fulah", |
| "fi", "fin", "Finnish", |
| "fj", "fij", "Fijian", |
| "fo", "fao", "Faroese", |
| "fr", "fra", "French", |
| "fy", "fry", "Western Frisian", |
| |
| "ga", "gle", "Irish", |
| "gd", "gla", "Scottish Gaelic", |
| "gl", "glg", "Galician", |
| "gn", "grn", "Guarani", |
| "gu", "guj", "Gujarati", |
| "gv", "glv", "Manx", |
| |
| "ha", "hau", "Hausa", |
| "he", "heb", "Hebrew", |
| "hi", "hin", "Hindi", |
| "ho", "hmo", "Hiri Motu", |
| "hr", "hrv", "Croatian", |
| "ht", "hat", "Haitian", |
| "hu", "hun", "Hungarian", |
| "hy", "hye", "Armenian", |
| "hz", "her", "Herero", |
| |
| "ia", "ina", "Interlingua", |
| "id", "ind", "Indonesian", |
| "ie", "ile", "Interlingue", |
| "ig", "ibo", "Igbo", |
| "ii", "iii", "Sichuan Yi", |
| "ik", "ipk", "Inupiaq", |
| "io", "ido", "Ido", |
| "is", "isl", "Icelandic", |
| "it", "ita", "Italian", |
| "iu", "iku", "Inuktitut", |
| |
| "ja", "jpn", "Japanese", |
| "jv", "jav", "Javanese", |
| |
| "ka", "kat", "Georgian", |
| "kg", "kon", "Kongo", |
| "ki", "kik", "Kikuyu", |
| "kj", "kua", "Kuanyama", |
| "kk", "kaz", "Kazakh", |
| "kl", "kal", "Kalaallisut", |
| "km", "khm", "Central Khmer", |
| "kn", "kan", "Kannada", |
| "ko", "kor", "Korean", |
| "kr", "kau", "Kanuri", |
| "ks", "kas", "Kashmiri", |
| "ku", "kur", "Kurdish", |
| "kv", "kom", "Komi", |
| "kw", "cor", "Cornish", |
| "ky", "kir", "Kirghiz", |
| |
| "la", "lat", "Latin", |
| "lb", "ltz", "Luxembourgish", |
| "lg", "lug", "Ganda", |
| "li", "lim", "Limburgan", |
| "ln", "lin", "Lingala", |
| "lo", "lao", "Lao", |
| "lt", "lit", "Lithuanian", |
| "lu", "lub", "Luba-Katanga", |
| "lv", "lav", "Latvian", |
| |
| "mg", "mlg", "Malagasy", |
| "mh", "mah", "Marshallese", |
| "mi", "mri", "Maori", |
| "mk", "mkd", "Macedonian", |
| "ml", "mal", "Malayalam", |
| "mn", "mon", "Mongolian", |
| "mr", "mar", "Marathi", |
| "ms", "msa", "Malay", |
| "mt", "mlt", "Maltese", |
| "my", "mya", "Burmese", |
| |
| "na", "nau", "Nauru", |
| "nb", "nob", "Norwegian Bokmal", |
| "nd", "nde", "North Ndebele", |
| "ne", "nep", "Nepali", |
| "ng", "ndo", "Ndonga", |
| "nl", "nld", "Dutch", |
| "nn", "nno", "Norwegian Nynorsk", |
| "no", "nor", "Norwegian", |
| "nr", "nbl", "South Ndebele", |
| "nv", "nav", "Navajo", |
| "ny", "nya", "Nyanja", |
| |
| "oc", "oci", "Occitan", |
| "oj", "oji", "Ojibwa", |
| "om", "orm", "Oromo", |
| "or", "ori", "Oriya", |
| "os", "oss", "Ossetian", |
| |
| "pa", "pan", "Panjabi", |
| "pi", "pli", "Pali", |
| "pl", "pol", "Polish", |
| "ps", "pus", "Pushto", |
| "pt", "por", "Portuguese", |
| |
| "qu", "que", "Quechua", |
| |
| "rm", "roh", "Romansh", |
| "rn", "run", "Rundi", |
| "ro", "ron", "Romanian", |
| "ru", "rus", "Russian", |
| "rw", "kin", "Kinyarwanda", |
| |
| "sa", "san", "Sanskrit", |
| "sc", "srd", "Sardinian", |
| "sd", "snd", "Sindhi", |
| "se", "sme", "Northern Sami", |
| "sg", "sag", "Sango", |
| "sh", "hbs", "Serbo-Croatian", |
| "si", "sin", "Sinhala", |
| "sk", "slk", "Slovak", |
| "sl", "slv", "Slovenian", |
| "sm", "smo", "Samoan", |
| "sn", "sna", "Shona", |
| "so", "som", "Somali", |
| "sq", "sqi", "Albanian", |
| "sr", "srp", "Serbian", |
| "ss", "ssw", "Swati", |
| "st", "sot", "Southern Sotho", |
| "su", "sun", "Sundanese", |
| "sv", "swe", "Swedish", |
| "sw", "swa", "Swahili", |
| |
| "ta", "tam", "Tamil", |
| "te", "tel", "Telugu", |
| "tg", "tgk", "Tajik", |
| "th", "tha", "Thai", |
| "ti", "tir", "Tigrinya", |
| "tk", "tuk", "Turkmen", |
| "tl", "tgl", "Tagalog", |
| "tn", "tsn", "Tswana", |
| "to", "ton", "Tonga", |
| "tr", "tur", "Turkish", |
| "ts", "tso", "Tsonga", |
| "tt", "tat", "Tatar", |
| "tw", "twi", "Twi", |
| "ty", "tah", "Tahitian", |
| |
| "ug", "uig", "Uighur", |
| "uk", "ukr", "Ukrainian", |
| "ur", "urd", "Urdu", |
| "uz", "uzb", "Uzbek", |
| |
| "ve", "ven", "Venda", |
| "vi", "vie", "Vietnamese", |
| "vo", "vol", "Volapuk", |
| |
| "wa", "wln", "Walloon", |
| "wo", "wol", "Wolof", |
| |
| "xh", "xho", "Xhosa", |
| |
| "yi", "yid", "Yiddish", |
| "yo", "yor", "Yoruba", |
| |
| "za", "zha", "Zhuang", |
| "zh", "zho", "Chinese", |
| "zu", "zul", "Zulu" |
| }; |
| |
| /* Table containing equivalences between ISO_3166 alpha-2 codes and country |
| names. This table has several entries for codes that have several valid |
| country names. */ |
| |
| static char* iso_3166[] = |
| { |
| "AU", "Australia", |
| "AD", "Andorra", |
| "AE", "United Arab Emirates", |
| "AF", "Afghanistan", |
| "AG", "Antigua and Barbuda", |
| "AI", "Anguilla", |
| "AL", "Albania", |
| "AM", "Armenia", |
| "AN", "Netherlands Antilles", |
| "AO", "Angola", |
| "AQ", "Antarctica", |
| "AR", "Argentina", |
| "AS", "American Samoa", |
| "AT", "Austria", |
| "AU", "Australia", |
| "AW", "Aruba", |
| "AX", "Aland Islands", |
| "AZ", "Azerbaijan", |
| |
| "BA", "Bosnia and Herzegovina", |
| "BB", "Barbados", |
| "BD", "Bangladesh", |
| "BE", "Belgium", |
| "BF", "Burkina Faso", |
| "BG", "Bulgaria", |
| "BH", "Bahrain", |
| "BI", "Burundi", |
| "BJ", "Benin", |
| "BL", "Saint Barthélemy", |
| "BM", "Bermuda", |
| "BN", "Brunei Darussalam", |
| "BO", "Bolivia, Plurinational State of", |
| "BQ", "Bonaire, Sint Eustatius and Saba", |
| "BR", "Brazil", |
| "BS", "Bahamas", |
| "BT", "Bhutan", |
| "BV", "Bouvet Island", |
| "BW", "Botswana", |
| "BY", "Belarus", |
| "BZ", "Belize", |
| |
| "CA", "Canada", |
| "CC", "Cocos (Keeling) Islands", |
| "CD", "Congo, Democratic Republic of the", |
| "CF", "Central African Republic", |
| "CG", "Congo", |
| "CH", "Switzerland", |
| "CI", "Côte d'Ivoire", |
| "CK", "Cook Islands", |
| "CL", "Chile", |
| "CM", "Cameroon", |
| "CN", "China", |
| "CN", "People’s Republic of China", |
| "CN", "PR China", |
| "CN", "PR-China", |
| "CO", "Colombia", |
| "CR", "Costa Rica", |
| "CS", "Czechoslovakia", |
| "CU", "Cuba", |
| "CV", "Cape Verde", |
| "CW", "Curaçao", |
| "CX", "Christmas Island", |
| "CY", "Cyprus", |
| "CZ", "Czech Republic", |
| |
| "DE", "Germany", |
| "DJ", "Djibouti", |
| "DK", "Denmark", |
| "DM", "Dominica", |
| "DO", "Dominican Republic", |
| "DZ", "Algeria", |
| |
| "EC", "Ecuador", |
| "EE", "Estonia", |
| "EG", "Egypt", |
| "EH", "Western Sahara", |
| "ER", "Eritrea", |
| "ES", "Spain", |
| "ET", "Ethiopia", |
| |
| "FI", "Finland", |
| "FG", "Fiji", |
| "FK", "Falkland Islands (Malvinas)", |
| "FM", "Micronesia, Federated States of", |
| "FO", "Faroe Islands", |
| "FR", "France", |
| |
| "GA", "Gabon", |
| "GB", "United Kingdom", |
| "GB", "United-Kingdom", |
| "GB", "England", |
| "GB", "Britain", |
| "GB", "Great Britain", |
| "GD", "Grenada", |
| "GE", "Georgia", |
| "GF", "French Guiana", |
| "GG", "Guernsey", |
| "GH", "Ghana", |
| "GI", "Gibraltar", |
| "GL", "Greenland", |
| "GM", "Gambia", |
| "GN", "Guinea", |
| "GP", "Guadeloupe", |
| "GQ", "Equatorial Guinea", |
| "GR", "Greece", |
| "GS", "South Georgia and the South Sandwich Islands", |
| "GT", "Guatemala", |
| "GU", "Guam", |
| "GW", "Guinea-Bissau", |
| "GY", "Guyana", |
| |
| "HK", "Hong Kong", |
| "HK", "Hong-Kong", |
| "HM", "Heard Island and McDonald Islands", |
| "HN", "Honduras", |
| "HR", "Croatia", |
| "HT", "Haiti", |
| "HU", "Hungary", |
| |
| "ID", "Indonesia", |
| "IE", "Ireland", |
| "IL", "Israel", |
| "IM", "Isle of Man", |
| "IN", "India", |
| "IO", "British Indian Ocean Territory", |
| "IQ", "Iraq", |
| "IR", "Iran", |
| "IR", "Iran, Islamic Republic of", |
| "IS", "Iceland", |
| "IT", "Italy", |
| |
| "JE", "Jersey", |
| "JM", "Jamaica", |
| "JO", "Jordan", |
| "JP", "Japan", |
| |
| "KE", "Kenya", |
| "KG", "Kyrgyzstan", |
| "KH", "Cambodia", |
| "KI", "Kiribati", |
| "KM", "Comoros", |
| "KN", "Saint Kitts and Nevis", |
| "KP", "Korea, Democratic People's Republic of", |
| "KR", "Korea, Republic of", |
| "KW", "Kuwait", |
| "KY", "Cayman Islands", |
| "KZ", "Kazakhstan", |
| |
| "LA", "Lao People's Democratic Republic", |
| "LB", "Lebanon", |
| "LC", "Saint Lucia", |
| "LI", "Liechtenstein", |
| "LK", "Sri Lanka", |
| "LR", "Liberia", |
| "LS", "Lesotho", |
| "LT", "Lithuania", |
| "LU", "Luxembourg", |
| "LV", "Latvia", |
| "LY", "Libya", |
| |
| "MA", "Morocco", |
| "MC", "Monaco", |
| "MD", "Moldova, Republic of", |
| "ME", "Montenegro", |
| "MF", "Saint Martin", |
| "MG", "Madagascar", |
| "MH", "Marshall Islands", |
| "MK", "Macedonia", |
| "ML", "Mali", |
| "MM", "Myanmar", |
| "MN", "Mongolia", |
| "MO", "Macao", |
| "MP", "Northern Mariana Islands", |
| "MQ", "Martinique", |
| "MR", "Mauritania", |
| "MS", "Montserrat", |
| "MT", "Malta", |
| "MU", "Mauritius", |
| "MV", "Maldives", |
| "MW", "Malawi", |
| "MX", "Mexico", |
| "MY", "Malaysia", |
| "MZ", "Mozambique", |
| |
| "NA", "Namibia", |
| "NC", "New Caledonia", |
| "NE", "Niger", |
| "NF", "Norfolk Island", |
| "NG", "Nigeria", |
| "NI", "Nicaragua", |
| "NL", "Netherlands", |
| "NL", "Holland", |
| "NO", "Norway", |
| "NP", "Nepal", |
| "NR", "Nauru", |
| "NU", "Niue", |
| "NZ", "New Zealand", |
| "NZ", "New-Zealand", |
| |
| "OM", "Oman", |
| |
| "PA", "Panama", |
| "PE", "Peru", |
| "PF", "French Polynesia", |
| "PG", "Papua New Guinea", |
| "PH", "Philippines", |
| "PK", "Pakistan", |
| "PL", "Poland", |
| "PM", "Saint Pierre and Miquelon", |
| "PN", "Pitcairn", |
| "PR", "Puerto Rico", |
| "PS", "Palestine, State of", |
| "PT", "Portugal", |
| "PW", "Palau", |
| "PY", "Paraguay", |
| |
| "QA", "Qatar", |
| |
| "RE", "Réunion", |
| "RO", "Romania", |
| "RS", "Serbia", |
| "RU", "Russian Federation", |
| "RW", "Rwanda", |
| |
| "SA", "Saudi Arabia", |
| "SB", "Solomon Islands", |
| "SC", "Seychelles", |
| "SD", "Sudan", |
| "SE", "Sweden", |
| "SG", "Singapore", |
| "SH", "Saint Helena, Ascension and Tristan da Cunha", |
| "SI", "Slovenia", |
| "SJ", "Svalbard and Jan Mayen", |
| "SK", "Slovakia", |
| "SL", "Sierra Leone", |
| "SM", "San Marino", |
| "SN", "Senegal", |
| "SO", "Somalia", |
| "SR", "Suriname", |
| "SS", "South Sudan", |
| "SV", "El Salvador", |
| "SX", "Sint Maarten (Dutch part)", |
| "SY", "Syrian Arab Republic", |
| "SZ", "Swaziland", |
| |
| "TC", "Turks and Caicos Islands", |
| "TD", "Chad", |
| "TF", "French Southern Territories", |
| "TG", "Togo", |
| "TH", "Thailand", |
| "TJ", "Tajikistan", |
| "TK", "Tokelau", |
| "TL", "Timor-Leste", |
| "TM", "Turkmenistan", |
| "TN", "Tunisia", |
| "TO", "Tonga", |
| "TP", "East Timor", |
| "TR", "Turkey", |
| "TT", "Trinidad and Tobago", |
| "TV", "Tuvalu", |
| "TW", "Taiwan", |
| "TW", "Taiwan, Province of China", |
| "TZ", "Tanzania", |
| "TZ", "Tanzania, United Republic of", |
| |
| "UA", "Ukraine", |
| "UG", "Uganda", |
| "UM", "United States Minor Outlying Islands", |
| "US", "United States", |
| "US", "United States of America", |
| "US", "United-States", |
| "UY", "Uruguay", |
| "UZ", "Uzbekistan", |
| |
| "VA", "Holy See (Vatican City State)", |
| "VC", "Saint Vincent and the Grenadines", |
| "VE", "Venezuela", |
| "VE", "Venezuela, Bolivarian Republic of", |
| "VG", "Virgin Islands, British", |
| "VI", "Virgin Islands, U.S.", |
| "VN", "Viet Nam", |
| "VU", "Vanuatu", |
| "WF", "Wallis and Futuna", |
| "WS", "Samoa", |
| |
| "YE", "Yemen", |
| "YT", "Mayotte", |
| "YU", "Yugoslavia", |
| |
| "ZA", "South Africa", |
| "ZM", "Zambia", |
| "ZW", "Zimbabwe" |
| }; |
| |
| /* Utility function to perform case insensitive string comparison. Returns 1 |
| if both strings are equal and 0 otherwise. */ |
| |
| static int |
| str_case_equals (const char *s1, const char *s2) { |
| while (*s1 != '\0' && *s2 != '\0' && tolower(*s1) == tolower(*s2)) { |
| s1++; |
| s2++; |
| } |
| |
| return (*s1 == '\0') && (*s2 == '\0'); |
| } |
| |
| /* Utility function to copy length characters of a string. The target string |
| must have space to store the extra string null terminator. */ |
| |
| static void |
| str_copy (char *target, char *source, int length) { |
| for (; length > 0; source++, target++, length--) { |
| *target = *source; |
| } |
| |
| *target = '\0'; |
| } |
| |
| /* Utility function to search for the last byte of the lc_all string to be |
| processed. Required because in some targets (for example, AIX), the |
| string returned by setlocale() has duplicates. */ |
| |
| static char* |
| str_get_last_byte (char *lc_all) { |
| char* first_space = NULL; |
| char* second_space = NULL; |
| char* last_byte = NULL; |
| char* s1 = lc_all; |
| |
| /* Search for the 1st space (if any) */ |
| while (*s1 != ' ' && *s1 != '\0') |
| s1++; |
| |
| if (*s1 == '\0') { |
| last_byte = s1; |
| |
| } else { |
| first_space = s1; |
| |
| /* Skip this space and search for the 2nd one (if available) */ |
| s1++; |
| while (*s1 != ' ' && *s1 != '\0') |
| s1++; |
| |
| if (*s1 == '\0') { |
| last_byte = s1; |
| |
| } else { |
| second_space=s1; |
| |
| /* Search for the last byte of lc_all */ |
| while (*s1 != '\0') |
| s1++; |
| |
| last_byte = s1; |
| |
| /* Check if the two strings match */ |
| { |
| int len1 = first_space - lc_all; |
| int len2 = second_space - first_space - 1; |
| |
| if (len1 == len2) { |
| char* p1 = lc_all; |
| char* p2 = first_space + 1; |
| |
| /* Compare their contents */ |
| while (*p1 == *p2 && p2 != second_space) { |
| p1++; |
| p2++; |
| } |
| |
| /* if the two strings match then update the last byte */ |
| |
| if (p2 == second_space) { |
| last_byte = first_space; |
| } |
| } |
| } |
| } |
| } |
| |
| return last_byte; |
| } |
| |
| /* Utility function to search in the iso_639_1 table for an iso-639-1 code; |
| returns the corresponding iso-639-3 code or NULL if not found. */ |
| |
| static char* |
| iso_639_1_to_639_3(char* iso_639_1_code) { |
| int len = sizeof(iso_639)/sizeof(iso_639[0]); |
| char **p = iso_639; |
| int j; |
| |
| for (j=0; j < len/3; j++) { |
| char* s1 = iso_639_1_code; |
| char* s2 = *p; |
| |
| if (s1[0]==s2[0] && s1[1]==s2[1]) { |
| p++; |
| return *p; |
| } |
| |
| p = p + 3; |
| } |
| |
| return NULL; |
| } |
| |
| /* Utility function to search in the iso_639_1 table for a language name; |
| returns the corresponding iso-639-3 code or NULL if not found. */ |
| |
| static char* |
| language_name_to_639_3(char* name) { |
| int len = sizeof(iso_639)/sizeof(iso_639[0]); |
| char **p = iso_639; |
| int j; |
| |
| p = p + 2; |
| for (j=0; j < len/3; j++) { |
| if (str_case_equals(name, *p)) { |
| p--; |
| return *p; |
| } |
| |
| p = p + 3; |
| } |
| |
| return NULL; |
| } |
| |
| /* Utility function to search in the iso_3166 table for a country name; |
| returns the corresponding iso-3166 code or NULL if not found. */ |
| |
| static char* |
| country_name_to_3166 (char* name) { |
| int len = sizeof(iso_3166)/sizeof(iso_3166[0]); |
| char **p = iso_3166; |
| int j; |
| |
| p++; |
| for (j=0; j < len/2; j++) { |
| if (str_case_equals(name, *p)) { |
| p--; |
| return *p; |
| } |
| |
| p = p + 2; |
| } |
| |
| return NULL; |
| } |
| |
| /* |
| c_get_language_code needs to fill in the Alpha-3 encoding of the |
| language code (3 lowercase letters). That should be "und" if the |
| language is unknown. [see Ada.Locales] |
| */ |
| void |
| c_get_language_code (char4 p) { |
| char* Saved_Locale = setlocale(LC_ALL, NULL); |
| char iso_639_3_code[] = "und"; /* Language Unknown */ |
| char* lc_all; |
| char* result; |
| |
| /* Get locales set in the environment */ |
| |
| setlocale(LC_ALL, ""); |
| lc_all = setlocale(LC_ALL, NULL); |
| |
| /* The string returned by setlocale has the following format: |
| |
| language[_territory][.code-set][@modifier] |
| |
| where language is an ISO 639 language code, territory is an ISO 3166 |
| country code, and codeset is a character set or encoding identifier |
| like ISO-8859-1 or UTF-8. |
| */ |
| |
| if (lc_all != NULL) { |
| char* s = lc_all; |
| int lang_length = 0; |
| |
| /* Copy the language part (which may be an ISO-639-1 code, an ISO-639-3 |
| code, or a language name) adding a string terminator */ |
| |
| while (*s != '_' && *s != '.' && *s != '@' && *s != '\0') |
| s++; |
| |
| lang_length = s - lc_all; |
| |
| /* Handle conversion of ISO-639-1 to ISO-639-3 */ |
| |
| if (lang_length == 2) { |
| char iso_639_1[3]; |
| char* to_iso_639_3; |
| |
| /* Duplicate the ISO-639-1 code adding the null terminator required to |
| search for the equivalent ISO-639-3 code; we cannot just append the |
| null terminator since the pointer may reference non-writable memory. |
| */ |
| |
| str_copy(iso_639_1, lc_all, lang_length); |
| to_iso_639_3 = iso_639_1_to_639_3(iso_639_1); |
| |
| if (to_iso_639_3) |
| str_copy(iso_639_3_code, to_iso_639_3, 3); |
| |
| /* Copy the ISO-639-3 code (adding a null terminator) */ |
| |
| } else if (lang_length == 3) { |
| str_copy(iso_639_3_code, lc_all, lang_length); |
| |
| /* Handle conversion of language name to ISO-639-3 */ |
| |
| } else if (lang_length > 3) { |
| char name_copy[lang_length + 1]; |
| char* to_iso_639_3; |
| |
| /* Duplicate the ISO-639-1 code adding the null terminator required to |
| search for the equivalent ISO-639-3 code; we cannot just append the |
| null terminator since the pointer may reference non-writable memory. |
| */ |
| |
| str_copy(name_copy, lc_all, lang_length); |
| to_iso_639_3 = language_name_to_639_3(name_copy); |
| |
| if (to_iso_639_3) |
| str_copy(iso_639_3_code, to_iso_639_3, 3); |
| } |
| } |
| |
| /* Copy out the computed ISO_639_3 code */ |
| |
| result = iso_639_3_code; |
| for (; *result != '\0'; p++, result++) |
| *p = *result; |
| |
| /* Restore the original locale settings */ |
| |
| setlocale(LC_ALL, Saved_Locale); |
| |
| return; |
| } |
| |
| /* |
| c_get_country_code needs to fill in the Alpha-2 encoding of the |
| country code (2 uppercase letters). That should be "ZZ" if the |
| country is unknown. [see Ada.Locales] |
| */ |
| void |
| c_get_country_code (char4 p) { |
| char* Saved_Locale = setlocale(LC_ALL, NULL); |
| char iso_3166_code[] = "ZZ"; /* Country Unknown */ |
| char* lc_all; |
| char* result; |
| |
| /* Get locales set in the environment */ |
| |
| setlocale(LC_ALL, ""); |
| lc_all = setlocale(LC_ALL, NULL); |
| |
| /* The string returned by setlocale has the following format: |
| |
| language[_territory][.code-set][@modifier] |
| |
| where language is an ISO 639 language code, territory is an ISO 3166 |
| country code, and codeset is a character set or encoding identifier |
| like ISO-8859-1 or UTF-8. |
| */ |
| |
| if (lc_all != NULL) { |
| char* s1 = lc_all; |
| char* s2 = NULL; |
| char* last_byte = str_get_last_byte(lc_all); |
| int country_length = 0; |
| |
| /* Search for the beginning of the country code */ |
| |
| s1 = lc_all; |
| while (*s1 != '_' && *s1 != '.' && *s1 != '@' && s1 != last_byte) |
| s1++; |
| |
| if (*s1 == '_') { |
| s1++; |
| s2 = s1; |
| |
| while (*s2 != '.' && *s2 != '@' && s2 != last_byte) |
| s2++; |
| |
| country_length = s2 - s1; |
| |
| if (country_length == 2) { |
| str_copy(iso_3166_code, s1, country_length); |
| |
| /* setlocale returned us the country name */ |
| |
| } else if (country_length > 3) { |
| char name_copy[country_length + 1]; |
| char* to_3166; |
| |
| str_copy(name_copy, s1, country_length); |
| to_3166 = country_name_to_3166(name_copy); |
| |
| if (to_3166) |
| str_copy(iso_3166_code, to_3166, 2); |
| } |
| } |
| } |
| |
| /* Copy out the computed ISO_3166 code */ |
| |
| result = iso_3166_code; |
| for (; *result != '\0'; p++, result++) |
| *p = *result; |
| |
| /* Restore the original locale settings */ |
| |
| setlocale(LC_ALL, Saved_Locale); |
| |
| return; |
| } |
