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Commit c91abaff c91abaff7b2059c829d788f4ef5b8c1494f5d10d by Sergey Poznyakoff
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New file. Contains locale-dependent functions.

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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2003 Free Software Foundation, Inc.
This library 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 2 of the License, or (at your option) any later version.
This library 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 library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
struct langtab
{
char *lang; /* Language code */
char *terr; /* Territory code */
char *charset; /* Corresponding charset */
};
/* The list of language codes defined in ISO 639 with the corresponding
default character sets.
NOTES:
1) The list must be ordered by:
a) lang field in ascending order
b) terr field in descending order.
NULL fields are considered less than non-null ones.
2) Many entries have NULL charset fields. Please help fill them!
3) The "default" character set for a given language is a matter
of preference. Possibly the table should contain a *list* of
possible character sets.
4) LC_ALL "modifier" field is not taken into account */
static struct langtab langtab[] = {
{ "C", NULL, "ASCII"},
{ "POSIX", NULL, "ASCII" },
{ "aa", NULL, NULL}, /* Afar */
{ "ab", NULL, NULL}, /* Abkhazian */
{ "ae", NULL, NULL}, /* Avestan */
{ "af", NULL, "iso-8859-1"}, /* Afrikaans */
{ "am", NULL, "UTF-8"}, /* Amharic */
{ "ar", NULL, "iso-8859-6"}, /* Arabic */
{ "as", NULL, NULL}, /* Assamese */
{ "ay", NULL, "iso-8859-1"}, /* Aymara */
{ "az", NULL, NULL}, /* Azerbaijani */
{ "ba", NULL, NULL}, /* Bashkir */
{ "be", NULL, "UTF-8"}, /* Byelorussian; Belarusian */
{ "bg", NULL, "iso-8859-5"}, /* Bulgarian */
{ "bh", NULL, NULL}, /* Bihari */
{ "bi", NULL, NULL}, /* Bislama */
{ "bn", NULL, NULL}, /* Bengali; Bangla */
{ "bo", NULL, NULL}, /* Tibetan */
{ "br", NULL, "iso-8859-1"}, /* Breton: 1,5,8,9 */
{ "bs", NULL, NULL}, /* Bosnian */
{ "ca", NULL, "iso-8859-1"}, /* Catalan: 1,5,8,9 */
{ "ce", NULL, NULL}, /* Chechen */
{ "ch", NULL, NULL}, /* Chamorro */
{ "co", NULL, "iso-8859-1"}, /* Corsican */
{ "cs", NULL, "iso-8859-2"}, /* Czech */
{ "cu", NULL, NULL }, /* Church Slavic */
{ "cv", NULL, NULL}, /* Chuvash */
{ "cy", NULL, "iso-8859-1"}, /* Welsh */
{ "da", NULL, "iso-8859-1"}, /* Danish: 4-9 */
{ "de", NULL, "iso-8859-1"}, /* German */
{ "dz", NULL, NULL }, /* Dzongkha; Bhutani */
{ "el", NULL, "iso-8859-7"}, /* Greek */
{ "en", NULL, "iso-8859-1"}, /* English */
{ "eo", NULL, "iso-8859-3"}, /* Esperanto */
{ "es", NULL, "iso-8859-1"}, /* Spanish */
{ "et", NULL, "iso-8859-15"}, /* Estonian: 6,7,9 */
{ "eu", NULL, "iso-8859-1"}, /* Basque: 5,8,9 */
{ "fa", NULL, "UTF-8"}, /* Persian */
{ "fi", NULL, "iso-8859-15"}, /* Finnish */
{ "fj", NULL, NULL }, /* Fijian; Fiji */
{ "fo", NULL, "iso-8859-1"}, /* Faroese: 6,9 */
{ "fr", NULL, "iso-8859-1"}, /* French */
{ "fy", NULL, "iso-8859-1"}, /* Frisian */
{ "ga", NULL, "iso-8859-14"}, /* Irish */
{ "gd", NULL, "iso-8859-14" }, /* Scots; Gaelic */
{ "gl", NULL, NULL }, /* Gallegan; Galician */
{ "gn", NULL, NULL}, /* Guarani */
{ "gu", NULL, NULL}, /* Gujarati */
{ "gv", NULL, "iso-8859-14"}, /* Manx */
{ "ha", NULL, NULL }, /* Hausa (?) */
{ "he", NULL, "iso-8859-8" }, /* Hebrew */
{ "hi", NULL, NULL}, /* Hindi */
{ "ho", NULL, NULL}, /* Hiri Motu */
{ "hr", NULL, "iso-8859-2"}, /* Croatian: 10 */
{ "hu", NULL, "iso-8859-2"}, /* Hungarian */
{ "hy", NULL, NULL}, /* Armenian */
{ "hz", NULL, NULL}, /* Herero */
{ "id", NULL, "iso-8859-1"}, /* Indonesian (formerly in) */
{ "ia", NULL, NULL}, /* Interlingua */
{ "ie", NULL, NULL}, /* Interlingue */
{ "ik", NULL, NULL}, /* Inupiak */
{ "io", NULL, NULL}, /* Ido */
{ "is", NULL, "iso-8859-1"}, /* Icelandic */
{ "it", NULL, "iso-8859-1"}, /* Italian */
{ "iu", NULL, NULL}, /* Inuktitut */
{ "ja", NULL, "EUC-JP"}, /* Japanese */
{ "jv", NULL, NULL}, /* Javanese */
{ "ka", NULL, NULL}, /* Georgian */
{ "ki", NULL, NULL}, /* Kikuyu */
{ "kj", NULL, NULL}, /* Kuanyama */
{ "kk", NULL, NULL}, /* Kazakh */
{ "kl", NULL, "iso-8859-1"}, /* Kalaallisut; Greenlandic */
{ "km", NULL, NULL}, /* Khmer; Cambodian */
{ "kn", NULL, NULL}, /* Kannada */
{ "ko", NULL, "EUC-KR"}, /* Korean */
{ "ks", NULL, NULL}, /* Kashmiri */
{ "ku", NULL, NULL}, /* Kurdish */
{ "kv", NULL, NULL}, /* Komi */
{ "kw", NULL, "iso-8859-14"}, /* Cornish: 1,5,8 */
{ "ky", NULL, NULL}, /* Kirghiz */
{ "la", NULL, "iso-8859-1"}, /* Latin */
{ "lb", NULL, "iso-8859-1"}, /* Letzeburgesch */
{ "ln", NULL, NULL}, /* Lingala */
{ "lo", NULL, NULL}, /* Lao; Laotian */
{ "lt", NULL, "iso-8859-4"}, /* Lithuanian */
{ "lv", NULL, "iso-8859-4"}, /* Latvian; Lettish */
{ "mg", NULL, NULL}, /* Malagasy */
{ "mh", NULL, NULL}, /* Marshall */
{ "mi", NULL, NULL}, /* Maori */
{ "mk", NULL, NULL}, /* Macedonian */
{ "ml", NULL, NULL}, /* Malayalam */
{ "mn", NULL, NULL}, /* Mongolian */
{ "mo", NULL, "iso-8859-2"}, /* Moldavian */
{ "mr", NULL, NULL}, /* Marathi */
{ "ms", NULL, NULL}, /* Malay */
{ "mt", NULL, "iso-8859-3"}, /* Maltese */
{ "my", NULL, NULL}, /* Burmese */
{ "na", NULL, NULL}, /* Nauru */
{ "nb", NULL, "iso-8859-1"}, /* Norwegian Bokml; Bokm@aa{}l */
{ "nd", NULL, NULL}, /* Ndebele, North */
{ "ne", NULL, NULL}, /* Nepali */
{ "ng", NULL, NULL}, /* Ndonga */
{ "nl", NULL, "iso-8859-1"}, /* Dutch: 5,9 */
{ "nn", NULL, "iso-8859-1"}, /* Norwegian Nynorsk */
{ "no", NULL, "iso-8859-1"}, /* Norwegian */
{ "nr", NULL, NULL}, /* Ndebele, South */
{ "nv", NULL, NULL}, /* Navajo */
{ "ny", NULL, NULL}, /* Chichewa; Nyanja */
{ "oc", NULL, NULL}, /* Occitan; Provenal; Proven@,{c}al */
{ "om", NULL, NULL}, /* (Afan) Oromo */
{ "or", NULL, NULL}, /* Oriya */
{ "os", NULL, NULL}, /* Ossetian; Ossetic */
{ "pa", NULL, NULL}, /* Panjabi; Punjabi */
{ "pi", NULL, NULL}, /* Pali */
{ "pl", NULL, "iso-8859-2"}, /* Polish */
{ "ps", NULL, NULL}, /* Pashto, Pushto */
{ "pt", NULL, "iso-8859-1"}, /* Portuguese */
{ "qu", NULL, "iso-8859-1"}, /* Quechua */
{ "rm", NULL, "iso-8859-1"}, /* Rhaeto-Romance */
{ "rn", NULL, NULL }, /* Rundi; Kirundi */
{ "ro", NULL, "iso-8859-2"}, /* Romanian */
{ "ru", NULL, "koi8-r"}, /* Russian */
{ "rw", NULL, NULL}, /* Kinyarwanda */
{ "sa", NULL, NULL}, /* Sanskrit */
{ "sc", NULL, "iso-8859-1"}, /* Sardinian */
{ "sd", NULL, NULL}, /* Sindhi */
{ "se", NULL, "iso-8859-10"}, /* Northern Sami */
{ "sg", NULL, NULL}, /* Sango; Sangro */
{ "si", NULL, NULL}, /* Sinhalese */
{ "sk", NULL, "iso-8859-2"}, /* Slovak */
{ "sl", NULL, "iso-8859-1"}, /* Slovenian */
{ "sm", NULL, NULL}, /* Samoan */
{ "sn", NULL, NULL}, /* Shona */
{ "so", NULL, NULL}, /* Somali */
{ "sq", NULL, "iso-8859-1"}, /* Albanian: 2,5,8,9,10 */
{ "sr", NULL, "iso-8859-2"}, /* Serbian */
{ "ss", NULL, NULL}, /* Swati; Siswati */
{ "st", NULL, NULL}, /* Sesotho; Sotho, Southern */
{ "su", NULL, NULL}, /* Sundanese */
{ "sv", NULL, "iso-8859-1"}, /* Swedish */
{ "sw", NULL, NULL}, /* Swahili */
{ "ta", NULL, NULL}, /* Tamil */
{ "te", NULL, NULL}, /* Telugu */
{ "tg", NULL, NULL}, /* Tajik */
{ "th", NULL, "iso-8859-11"}, /* Thai */
{ "ti", NULL, NULL}, /* Tigrinya */
{ "tk", NULL, NULL}, /* Turkmen */
{ "tl", NULL, "iso-8859-1"}, /* Tagalog */
{ "tn", NULL, NULL}, /* Tswana; Setswana */
{ "to", NULL, NULL}, /* Tonga (?) */
{ "tr", NULL, "iso-8859-9"}, /* Turkish */
{ "ts", NULL, NULL}, /* Tsonga */
{ "tt", NULL, NULL}, /* Tatar */
{ "tw", NULL, NULL}, /* Twi */
{ "ty", NULL, NULL}, /* Tahitian */
{ "ug", NULL, NULL}, /* Uighur */
{ "uk", NULL, "koi8-u"}, /* Ukrainian */
{ "ur", NULL, NULL}, /* Urdu */
{ "uz", NULL, NULL}, /* Uzbek */
{ "vi", NULL, NULL}, /* Vietnamese */
{ "vo", NULL, NULL}, /* Volapk; Volap@"{u}k; Volapuk */
{ "wa", NULL, "iso-8859-1"}, /* Walloon */
{ "wo", NULL, NULL}, /* Wolof */
{ "xh", NULL, NULL}, /* Xhosa */
{ "yi", NULL, "iso-8859-8"}, /* Yiddish (formerly ji) */
{ "yo", NULL, NULL}, /* Yoruba */
{ "za", NULL, NULL}, /* Zhuang */
{ "zh", "TW", "big5"}, /* Chinese */
{ "zh", NULL, "gb2312"}, /* Chinese */
{ "zu", NULL, NULL}, /* Zulu */
{ NULL }
};
/* Given the language and (optionally) territory code, return the
default character set for that language. See notes above. */
const char *
mu_charset_lookup (char *lang, char *terr)
{
static struct langtab *p;
if (!lang)
return NULL;
for (p = langtab; p->lang; p++)
if (strcasecmp (p->lang, lang) == 0
&& (terr == NULL
|| !p->terr == NULL
|| !strcasecmp (p->terr, terr) == 0))
return p->charset;
return NULL;
}