1/* Determine the current selected locale.
2   Copyright (C) 1995-1999, 2000-2002 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify it
5   under the terms of the GNU Library General Public License as published
6   by the Free Software Foundation; either version 2, or (at your option)
7   any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Library General Public License for more details.
13
14   You should have received a copy of the GNU Library General Public
15   License along with this program; if not, write to the Free Software
16   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
17   USA.  */
18
19/* Written by Ulrich Drepper <drepper@gnu.org>, 1995.  */
20/* Win32 code written by Tor Lillqvist <tml@iki.fi>.  */
21
22#ifdef HAVE_CONFIG_H
23# include <config.h>
24#endif
25
26#include <stdlib.h>
27#include <locale.h>
28
29#if defined _WIN32 || defined __WIN32__
30# undef WIN32   /* avoid warning on mingw32 */
31# define WIN32
32#endif
33
34#ifdef WIN32
35# define WIN32_LEAN_AND_MEAN
36# include <windows.h>
37/* Mingw headers don't have latest language and sublanguage codes.  */
38# ifndef LANG_AFRIKAANS
39# define LANG_AFRIKAANS 0x36
40# endif
41# ifndef LANG_ALBANIAN
42# define LANG_ALBANIAN 0x1c
43# endif
44# ifndef LANG_ARABIC
45# define LANG_ARABIC 0x01
46# endif
47# ifndef LANG_ARMENIAN
48# define LANG_ARMENIAN 0x2b
49# endif
50# ifndef LANG_ASSAMESE
51# define LANG_ASSAMESE 0x4d
52# endif
53# ifndef LANG_AZERI
54# define LANG_AZERI 0x2c
55# endif
56# ifndef LANG_BASQUE
57# define LANG_BASQUE 0x2d
58# endif
59# ifndef LANG_BELARUSIAN
60# define LANG_BELARUSIAN 0x23
61# endif
62# ifndef LANG_BENGALI
63# define LANG_BENGALI 0x45
64# endif
65# ifndef LANG_CATALAN
66# define LANG_CATALAN 0x03
67# endif
68# ifndef LANG_DIVEHI
69# define LANG_DIVEHI 0x65
70# endif
71# ifndef LANG_ESTONIAN
72# define LANG_ESTONIAN 0x25
73# endif
74# ifndef LANG_FAEROESE
75# define LANG_FAEROESE 0x38
76# endif
77# ifndef LANG_FARSI
78# define LANG_FARSI 0x29
79# endif
80# ifndef LANG_GALICIAN
81# define LANG_GALICIAN 0x56
82# endif
83# ifndef LANG_GEORGIAN
84# define LANG_GEORGIAN 0x37
85# endif
86# ifndef LANG_GUJARATI
87# define LANG_GUJARATI 0x47
88# endif
89# ifndef LANG_HEBREW
90# define LANG_HEBREW 0x0d
91# endif
92# ifndef LANG_HINDI
93# define LANG_HINDI 0x39
94# endif
95# ifndef LANG_INDONESIAN
96# define LANG_INDONESIAN 0x21
97# endif
98# ifndef LANG_KANNADA
99# define LANG_KANNADA 0x4b
100# endif
101# ifndef LANG_KASHMIRI
102# define LANG_KASHMIRI 0x60
103# endif
104# ifndef LANG_KAZAK
105# define LANG_KAZAK 0x3f
106# endif
107# ifndef LANG_KONKANI
108# define LANG_KONKANI 0x57
109# endif
110# ifndef LANG_KYRGYZ
111# define LANG_KYRGYZ 0x40
112# endif
113# ifndef LANG_LATVIAN
114# define LANG_LATVIAN 0x26
115# endif
116# ifndef LANG_LITHUANIAN
117# define LANG_LITHUANIAN 0x27
118# endif
119# ifndef LANG_MACEDONIAN
120# define LANG_MACEDONIAN 0x2f
121# endif
122# ifndef LANG_MALAY
123# define LANG_MALAY 0x3e
124# endif
125# ifndef LANG_MALAYALAM
126# define LANG_MALAYALAM 0x4c
127# endif
128# ifndef LANG_MANIPURI
129# define LANG_MANIPURI 0x58
130# endif
131# ifndef LANG_MARATHI
132# define LANG_MARATHI 0x4e
133# endif
134# ifndef LANG_MONGOLIAN
135# define LANG_MONGOLIAN 0x50
136# endif
137# ifndef LANG_NEPALI
138# define LANG_NEPALI 0x61
139# endif
140# ifndef LANG_ORIYA
141# define LANG_ORIYA 0x48
142# endif
143# ifndef LANG_PUNJABI
144# define LANG_PUNJABI 0x46
145# endif
146# ifndef LANG_SANSKRIT
147# define LANG_SANSKRIT 0x4f
148# endif
149# ifndef LANG_SERBIAN
150# define LANG_SERBIAN 0x1a
151# endif
152# ifndef LANG_SINDHI
153# define LANG_SINDHI 0x59
154# endif
155# ifndef LANG_SLOVAK
156# define LANG_SLOVAK 0x1b
157# endif
158# ifndef LANG_SORBIAN
159# define LANG_SORBIAN 0x2e
160# endif
161# ifndef LANG_SWAHILI
162# define LANG_SWAHILI 0x41
163# endif
164# ifndef LANG_SYRIAC
165# define LANG_SYRIAC 0x5a
166# endif
167# ifndef LANG_TAMIL
168# define LANG_TAMIL 0x49
169# endif
170# ifndef LANG_TATAR
171# define LANG_TATAR 0x44
172# endif
173# ifndef LANG_TELUGU
174# define LANG_TELUGU 0x4a
175# endif
176# ifndef LANG_THAI
177# define LANG_THAI 0x1e
178# endif
179# ifndef LANG_UKRAINIAN
180# define LANG_UKRAINIAN 0x22
181# endif
182# ifndef LANG_URDU
183# define LANG_URDU 0x20
184# endif
185# ifndef LANG_UZBEK
186# define LANG_UZBEK 0x43
187# endif
188# ifndef LANG_VIETNAMESE
189# define LANG_VIETNAMESE 0x2a
190# endif
191# ifndef SUBLANG_ARABIC_SAUDI_ARABIA
192# define SUBLANG_ARABIC_SAUDI_ARABIA 0x01
193# endif
194# ifndef SUBLANG_ARABIC_IRAQ
195# define SUBLANG_ARABIC_IRAQ 0x02
196# endif
197# ifndef SUBLANG_ARABIC_EGYPT
198# define SUBLANG_ARABIC_EGYPT 0x03
199# endif
200# ifndef SUBLANG_ARABIC_LIBYA
201# define SUBLANG_ARABIC_LIBYA 0x04
202# endif
203# ifndef SUBLANG_ARABIC_ALGERIA
204# define SUBLANG_ARABIC_ALGERIA 0x05
205# endif
206# ifndef SUBLANG_ARABIC_MOROCCO
207# define SUBLANG_ARABIC_MOROCCO 0x06
208# endif
209# ifndef SUBLANG_ARABIC_TUNISIA
210# define SUBLANG_ARABIC_TUNISIA 0x07
211# endif
212# ifndef SUBLANG_ARABIC_OMAN
213# define SUBLANG_ARABIC_OMAN 0x08
214# endif
215# ifndef SUBLANG_ARABIC_YEMEN
216# define SUBLANG_ARABIC_YEMEN 0x09
217# endif
218# ifndef SUBLANG_ARABIC_SYRIA
219# define SUBLANG_ARABIC_SYRIA 0x0a
220# endif
221# ifndef SUBLANG_ARABIC_JORDAN
222# define SUBLANG_ARABIC_JORDAN 0x0b
223# endif
224# ifndef SUBLANG_ARABIC_LEBANON
225# define SUBLANG_ARABIC_LEBANON 0x0c
226# endif
227# ifndef SUBLANG_ARABIC_KUWAIT
228# define SUBLANG_ARABIC_KUWAIT 0x0d
229# endif
230# ifndef SUBLANG_ARABIC_UAE
231# define SUBLANG_ARABIC_UAE 0x0e
232# endif
233# ifndef SUBLANG_ARABIC_BAHRAIN
234# define SUBLANG_ARABIC_BAHRAIN 0x0f
235# endif
236# ifndef SUBLANG_ARABIC_QATAR
237# define SUBLANG_ARABIC_QATAR 0x10
238# endif
239# ifndef SUBLANG_AZERI_LATIN
240# define SUBLANG_AZERI_LATIN 0x01
241# endif
242# ifndef SUBLANG_AZERI_CYRILLIC
243# define SUBLANG_AZERI_CYRILLIC 0x02
244# endif
245# ifndef SUBLANG_CHINESE_MACAU
246# define SUBLANG_CHINESE_MACAU 0x05
247# endif
248# ifndef SUBLANG_ENGLISH_SOUTH_AFRICA
249# define SUBLANG_ENGLISH_SOUTH_AFRICA 0x07
250# endif
251# ifndef SUBLANG_ENGLISH_JAMAICA
252# define SUBLANG_ENGLISH_JAMAICA 0x08
253# endif
254# ifndef SUBLANG_ENGLISH_CARIBBEAN
255# define SUBLANG_ENGLISH_CARIBBEAN 0x09
256# endif
257# ifndef SUBLANG_ENGLISH_BELIZE
258# define SUBLANG_ENGLISH_BELIZE 0x0a
259# endif
260# ifndef SUBLANG_ENGLISH_TRINIDAD
261# define SUBLANG_ENGLISH_TRINIDAD 0x0b
262# endif
263# ifndef SUBLANG_ENGLISH_ZIMBABWE
264# define SUBLANG_ENGLISH_ZIMBABWE 0x0c
265# endif
266# ifndef SUBLANG_ENGLISH_PHILIPPINES
267# define SUBLANG_ENGLISH_PHILIPPINES 0x0d
268# endif
269# ifndef SUBLANG_FRENCH_LUXEMBOURG
270# define SUBLANG_FRENCH_LUXEMBOURG 0x05
271# endif
272# ifndef SUBLANG_FRENCH_MONACO
273# define SUBLANG_FRENCH_MONACO 0x06
274# endif
275# ifndef SUBLANG_GERMAN_LUXEMBOURG
276# define SUBLANG_GERMAN_LUXEMBOURG 0x04
277# endif
278# ifndef SUBLANG_GERMAN_LIECHTENSTEIN
279# define SUBLANG_GERMAN_LIECHTENSTEIN 0x05
280# endif
281# ifndef SUBLANG_KASHMIRI_INDIA
282# define SUBLANG_KASHMIRI_INDIA 0x02
283# endif
284# ifndef SUBLANG_MALAY_MALAYSIA
285# define SUBLANG_MALAY_MALAYSIA 0x01
286# endif
287# ifndef SUBLANG_MALAY_BRUNEI_DARUSSALAM
288# define SUBLANG_MALAY_BRUNEI_DARUSSALAM 0x02
289# endif
290# ifndef SUBLANG_NEPALI_INDIA
291# define SUBLANG_NEPALI_INDIA 0x02
292# endif
293# ifndef SUBLANG_SERBIAN_LATIN
294# define SUBLANG_SERBIAN_LATIN 0x02
295# endif
296# ifndef SUBLANG_SERBIAN_CYRILLIC
297# define SUBLANG_SERBIAN_CYRILLIC 0x03
298# endif
299# ifndef SUBLANG_SPANISH_GUATEMALA
300# define SUBLANG_SPANISH_GUATEMALA 0x04
301# endif
302# ifndef SUBLANG_SPANISH_COSTA_RICA
303# define SUBLANG_SPANISH_COSTA_RICA 0x05
304# endif
305# ifndef SUBLANG_SPANISH_PANAMA
306# define SUBLANG_SPANISH_PANAMA 0x06
307# endif
308# ifndef SUBLANG_SPANISH_DOMINICAN_REPUBLIC
309# define SUBLANG_SPANISH_DOMINICAN_REPUBLIC 0x07
310# endif
311# ifndef SUBLANG_SPANISH_VENEZUELA
312# define SUBLANG_SPANISH_VENEZUELA 0x08
313# endif
314# ifndef SUBLANG_SPANISH_COLOMBIA
315# define SUBLANG_SPANISH_COLOMBIA 0x09
316# endif
317# ifndef SUBLANG_SPANISH_PERU
318# define SUBLANG_SPANISH_PERU 0x0a
319# endif
320# ifndef SUBLANG_SPANISH_ARGENTINA
321# define SUBLANG_SPANISH_ARGENTINA 0x0b
322# endif
323# ifndef SUBLANG_SPANISH_ECUADOR
324# define SUBLANG_SPANISH_ECUADOR 0x0c
325# endif
326# ifndef SUBLANG_SPANISH_CHILE
327# define SUBLANG_SPANISH_CHILE 0x0d
328# endif
329# ifndef SUBLANG_SPANISH_URUGUAY
330# define SUBLANG_SPANISH_URUGUAY 0x0e
331# endif
332# ifndef SUBLANG_SPANISH_PARAGUAY
333# define SUBLANG_SPANISH_PARAGUAY 0x0f
334# endif
335# ifndef SUBLANG_SPANISH_BOLIVIA
336# define SUBLANG_SPANISH_BOLIVIA 0x10
337# endif
338# ifndef SUBLANG_SPANISH_EL_SALVADOR
339# define SUBLANG_SPANISH_EL_SALVADOR 0x11
340# endif
341# ifndef SUBLANG_SPANISH_HONDURAS
342# define SUBLANG_SPANISH_HONDURAS 0x12
343# endif
344# ifndef SUBLANG_SPANISH_NICARAGUA
345# define SUBLANG_SPANISH_NICARAGUA 0x13
346# endif
347# ifndef SUBLANG_SPANISH_PUERTO_RICO
348# define SUBLANG_SPANISH_PUERTO_RICO 0x14
349# endif
350# ifndef SUBLANG_SWEDISH_FINLAND
351# define SUBLANG_SWEDISH_FINLAND 0x02
352# endif
353# ifndef SUBLANG_URDU_PAKISTAN
354# define SUBLANG_URDU_PAKISTAN 0x01
355# endif
356# ifndef SUBLANG_URDU_INDIA
357# define SUBLANG_URDU_INDIA 0x02
358# endif
359# ifndef SUBLANG_UZBEK_LATIN
360# define SUBLANG_UZBEK_LATIN 0x01
361# endif
362# ifndef SUBLANG_UZBEK_CYRILLIC
363# define SUBLANG_UZBEK_CYRILLIC 0x02
364# endif
365#endif
366
367/* XPG3 defines the result of 'setlocale (category, NULL)' as:
368   "Directs 'setlocale()' to query 'category' and return the current
369    setting of 'local'."
370   However it does not specify the exact format.  Neither do SUSV2 and
371   ISO C 99.  So we can use this feature only on selected systems (e.g.
372   those using GNU C Library).  */
373#if defined _LIBC || (defined __GNU_LIBRARY__ && __GNU_LIBRARY__ >= 2)
374# define HAVE_LOCALE_NULL
375#endif
376
377/* Determine the current locale's name, and canonicalize it into XPG syntax
378     language[_territory[.codeset]][@modifier]
379   The codeset part in the result is not reliable; the locale_charset()
380   should be used for codeset information instead.
381   The result must not be freed; it is statically allocated.  */
382
383const char *
384_nl_locale_name (category, categoryname)
385     int category;
386     const char *categoryname;
387{
388  const char *retval;
389
390#ifndef WIN32
391
392  /* Use the POSIX methods of looking to 'LC_ALL', 'LC_xxx', and 'LANG'.
393     On some systems this can be done by the 'setlocale' function itself.  */
394# if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL
395  retval = setlocale (category, NULL);
396# else
397  /* Setting of LC_ALL overwrites all other.  */
398  retval = getenv ("LC_ALL");
399  if (retval == NULL || retval[0] == '\0')
400    {
401      /* Next comes the name of the desired category.  */
402      retval = getenv (categoryname);
403      if (retval == NULL || retval[0] == '\0')
404	{
405	  /* Last possibility is the LANG environment variable.  */
406	  retval = getenv ("LANG");
407	  if (retval == NULL || retval[0] == '\0')
408	    /* We use C as the default domain.  POSIX says this is
409	       implementation defined.  */
410	    retval = "C";
411	}
412    }
413# endif
414
415  return retval;
416
417#else /* WIN32 */
418
419  /* Return an XPG style locale name language[_territory][@modifier].
420     Don't even bother determining the codeset; it's not useful in this
421     context, because message catalogs are not specific to a single
422     codeset.  */
423
424  LCID lcid;
425  LANGID langid;
426  int primary, sub;
427
428  /* Let the user override the system settings through environment
429     variables, as on POSIX systems.  */
430  retval = getenv ("LC_ALL");
431  if (retval != NULL && retval[0] != '\0')
432    return retval;
433  retval = getenv (categoryname);
434  if (retval != NULL && retval[0] != '\0')
435    return retval;
436  retval = getenv ("LANG");
437  if (retval != NULL && retval[0] != '\0')
438    return retval;
439
440  /* Use native Win32 API locale ID.  */
441  lcid = GetThreadLocale ();
442
443  /* Strip off the sorting rules, keep only the language part.  */
444  langid = LANGIDFROMLCID (lcid);
445
446  /* Split into language and territory part.  */
447  primary = PRIMARYLANGID (langid);
448  sub = SUBLANGID (langid);
449
450  /* Dispatch on language.
451     See also http://www.unicode.org/unicode/onlinedat/languages.html .
452     For details about languages, see http://www.ethnologue.com/ .  */
453  switch (primary)
454    {
455    case LANG_AFRIKAANS: return "af_ZA";
456    case LANG_ALBANIAN: return "sq_AL";
457    case 0x5e: /* AMHARIC */ return "am_ET";
458    case LANG_ARABIC:
459      switch (sub)
460	{
461	case SUBLANG_ARABIC_SAUDI_ARABIA: return "ar_SA";
462	case SUBLANG_ARABIC_IRAQ: return "ar_IQ";
463	case SUBLANG_ARABIC_EGYPT: return "ar_EG";
464	case SUBLANG_ARABIC_LIBYA: return "ar_LY";
465	case SUBLANG_ARABIC_ALGERIA: return "ar_DZ";
466	case SUBLANG_ARABIC_MOROCCO: return "ar_MA";
467	case SUBLANG_ARABIC_TUNISIA: return "ar_TN";
468	case SUBLANG_ARABIC_OMAN: return "ar_OM";
469	case SUBLANG_ARABIC_YEMEN: return "ar_YE";
470	case SUBLANG_ARABIC_SYRIA: return "ar_SY";
471	case SUBLANG_ARABIC_JORDAN: return "ar_JO";
472	case SUBLANG_ARABIC_LEBANON: return "ar_LB";
473	case SUBLANG_ARABIC_KUWAIT: return "ar_KW";
474	case SUBLANG_ARABIC_UAE: return "ar_AE";
475	case SUBLANG_ARABIC_BAHRAIN: return "ar_BH";
476	case SUBLANG_ARABIC_QATAR: return "ar_QA";
477	}
478      return "ar";
479    case LANG_ARMENIAN: return "hy_AM";
480    case LANG_ASSAMESE: return "as_IN";
481    case LANG_AZERI:
482      switch (sub)
483	{
484	/* FIXME: Adjust this when Azerbaijani locales appear on Unix.  */
485	case SUBLANG_AZERI_LATIN: return "az_AZ@latin";
486	case SUBLANG_AZERI_CYRILLIC: return "az_AZ@cyrillic";
487	}
488      return "az";
489    case LANG_BASQUE:
490      return "eu"; /* Ambiguous: could be "eu_ES" or "eu_FR".  */
491    case LANG_BELARUSIAN: return "be_BY";
492    case LANG_BENGALI: return "bn_IN";
493    case LANG_BULGARIAN: return "bg_BG";
494    case 0x55: /* BURMESE */ return "my_MM";
495    case 0x53: /* CAMBODIAN */ return "km_KH";
496    case LANG_CATALAN: return "ca_ES";
497    case 0x5c: /* CHEROKEE */ return "chr_US";
498    case LANG_CHINESE:
499      switch (sub)
500	{
501	case SUBLANG_CHINESE_TRADITIONAL: return "zh_TW";
502	case SUBLANG_CHINESE_SIMPLIFIED: return "zh_CN";
503	case SUBLANG_CHINESE_HONGKONG: return "zh_HK";
504	case SUBLANG_CHINESE_SINGAPORE: return "zh_SG";
505	case SUBLANG_CHINESE_MACAU: return "zh_MO";
506	}
507      return "zh";
508    case LANG_CROATIAN:		/* LANG_CROATIAN == LANG_SERBIAN
509				 * What used to be called Serbo-Croatian
510				 * should really now be two separate
511				 * languages because of political reasons.
512				 * (Says tml, who knows nothing about Serbian
513				 * or Croatian.)
514				 * (I can feel those flames coming already.)
515				 */
516      switch (sub)
517	{
518	case SUBLANG_DEFAULT: return "hr_HR";
519	case SUBLANG_SERBIAN_LATIN: return "sr_YU";
520	case SUBLANG_SERBIAN_CYRILLIC: return "sr_YU@cyrillic";
521	}
522      return "hr";
523    case LANG_CZECH: return "cs_CZ";
524    case LANG_DANISH: return "da_DK";
525    case LANG_DIVEHI: return "div_MV";
526    case LANG_DUTCH:
527      switch (sub)
528	{
529	case SUBLANG_DUTCH: return "nl_NL";
530	case SUBLANG_DUTCH_BELGIAN: /* FLEMISH, VLAAMS */ return "nl_BE";
531	}
532      return "nl";
533    case 0x66: /* EDO */ return "bin_NG";
534    case LANG_ENGLISH:
535      switch (sub)
536	{
537	/* SUBLANG_ENGLISH_US == SUBLANG_DEFAULT. Heh. I thought
538	 * English was the language spoken in England.
539	 * Oh well.
540	 */
541	case SUBLANG_ENGLISH_US: return "en_US";
542	case SUBLANG_ENGLISH_UK: return "en_GB";
543	case SUBLANG_ENGLISH_AUS: return "en_AU";
544	case SUBLANG_ENGLISH_CAN: return "en_CA";
545	case SUBLANG_ENGLISH_NZ: return "en_NZ";
546	case SUBLANG_ENGLISH_EIRE: return "en_IE";
547	case SUBLANG_ENGLISH_SOUTH_AFRICA: return "en_ZA";
548	case SUBLANG_ENGLISH_JAMAICA: return "en_JM";
549	case SUBLANG_ENGLISH_CARIBBEAN: return "en_GD"; /* Grenada? */
550	case SUBLANG_ENGLISH_BELIZE: return "en_BZ";
551	case SUBLANG_ENGLISH_TRINIDAD: return "en_TT";
552	case SUBLANG_ENGLISH_ZIMBABWE: return "en_ZW";
553	case SUBLANG_ENGLISH_PHILIPPINES: return "en_PH";
554	}
555      return "en";
556    case LANG_ESTONIAN: return "et_EE";
557    case LANG_FAEROESE: return "fo_FO";
558    case LANG_FARSI: return "fa_IR";
559    case LANG_FINNISH: return "fi_FI";
560    case LANG_FRENCH:
561      switch (sub)
562	{
563	case SUBLANG_FRENCH: return "fr_FR";
564	case SUBLANG_FRENCH_BELGIAN: /* WALLOON */ return "fr_BE";
565	case SUBLANG_FRENCH_CANADIAN: return "fr_CA";
566	case SUBLANG_FRENCH_SWISS: return "fr_CH";
567	case SUBLANG_FRENCH_LUXEMBOURG: return "fr_LU";
568	case SUBLANG_FRENCH_MONACO: return "fr_MC";
569	}
570      return "fr";
571    case 0x62: /* FRISIAN */ return "fy_NL";
572    case 0x67: /* FULFULDE */ return "ful_NG";
573    case 0x3c: /* GAELIC */
574      switch (sub)
575	{
576	case 0x01: /* SCOTTISH */ return "gd_GB";
577	case 0x02: /* IRISH */ return "ga_IE";
578	}
579      return "C";
580    case LANG_GALICIAN: return "gl_ES";
581    case LANG_GEORGIAN: return "ka_GE";
582    case LANG_GERMAN:
583      switch (sub)
584	{
585	case SUBLANG_GERMAN: return "de_DE";
586	case SUBLANG_GERMAN_SWISS: return "de_CH";
587	case SUBLANG_GERMAN_AUSTRIAN: return "de_AT";
588	case SUBLANG_GERMAN_LUXEMBOURG: return "de_LU";
589	case SUBLANG_GERMAN_LIECHTENSTEIN: return "de_LI";
590	}
591      return "de";
592    case LANG_GREEK: return "el_GR";
593    case 0x74: /* GUARANI */ return "gn_PY";
594    case LANG_GUJARATI: return "gu_IN";
595    case 0x68: /* HAUSA */ return "ha_NG";
596    case 0x75: /* HAWAIIAN */
597      /* FIXME: Do they mean Hawaiian ("haw_US", 1000 speakers)
598	 or Hawaii Creole English ("cpe_US", 600000 speakers)?  */
599      return "cpe_US";
600    case LANG_HEBREW: return "he_IL";
601    case LANG_HINDI: return "hi_IN";
602    case LANG_HUNGARIAN: return "hu_HU";
603    case 0x69: /* IBIBIO */ return "nic_NG";
604    case LANG_ICELANDIC: return "is_IS";
605    case 0x70: /* IGBO */ return "ibo_NG";
606    case LANG_INDONESIAN: return "id_ID";
607    case 0x5d: /* INUKTITUT */ return "iu_CA";
608    case LANG_ITALIAN:
609      switch (sub)
610	{
611	case SUBLANG_ITALIAN: return "it_IT";
612	case SUBLANG_ITALIAN_SWISS: return "it_CH";
613	}
614      return "it";
615    case LANG_JAPANESE: return "ja_JP";
616    case LANG_KANNADA: return "kn_IN";
617    case 0x71: /* KANURI */ return "kau_NG";
618    case LANG_KASHMIRI:
619      switch (sub)
620	{
621	case SUBLANG_DEFAULT: return "ks_PK";
622	case SUBLANG_KASHMIRI_INDIA: return "ks_IN";
623	}
624      return "ks";
625    case LANG_KAZAK: return "kk_KZ";
626    case LANG_KONKANI:
627      /* FIXME: Adjust this when such locales appear on Unix.  */
628      return "kok_IN";
629    case LANG_KOREAN: return "ko_KR";
630    case LANG_KYRGYZ: return "ky_KG";
631    case 0x54: /* LAO */ return "lo_LA";
632    case 0x76: /* LATIN */ return "la_VA";
633    case LANG_LATVIAN: return "lv_LV";
634    case LANG_LITHUANIAN: return "lt_LT";
635    case LANG_MACEDONIAN: return "mk_MK";
636    case LANG_MALAY:
637      switch (sub)
638	{
639	case SUBLANG_MALAY_MALAYSIA: return "ms_MY";
640	case SUBLANG_MALAY_BRUNEI_DARUSSALAM: return "ms_BN";
641	}
642      return "ms";
643    case LANG_MALAYALAM: return "ml_IN";
644    case 0x3a: /* MALTESE */ return "mt_MT";
645    case LANG_MANIPURI:
646      /* FIXME: Adjust this when such locales appear on Unix.  */
647      return "mni_IN";
648    case LANG_MARATHI: return "mr_IN";
649    case LANG_MONGOLIAN:
650      return "mn"; /* Ambiguous: could be "mn_CN" or "mn_MN".  */
651    case LANG_NEPALI:
652      switch (sub)
653	{
654	case SUBLANG_DEFAULT: return "ne_NP";
655	case SUBLANG_NEPALI_INDIA: return "ne_IN";
656	}
657      return "ne";
658    case LANG_NORWEGIAN:
659      switch (sub)
660	{
661	case SUBLANG_NORWEGIAN_BOKMAL: return "no_NO";
662	case SUBLANG_NORWEGIAN_NYNORSK: return "nn_NO";
663	}
664      return "no";
665    case LANG_ORIYA: return "or_IN";
666    case 0x72: /* OROMO */ return "om_ET";
667    case 0x79: /* PAPIAMENTU */ return "pap_AN";
668    case 0x63: /* PASHTO */
669      return "ps"; /* Ambiguous: could be "ps_PK" or "ps_AF".  */
670    case LANG_POLISH: return "pl_PL";
671    case LANG_PORTUGUESE:
672      switch (sub)
673	{
674	case SUBLANG_PORTUGUESE: return "pt_PT";
675	/* Hmm. SUBLANG_PORTUGUESE_BRAZILIAN == SUBLANG_DEFAULT.
676	   Same phenomenon as SUBLANG_ENGLISH_US == SUBLANG_DEFAULT. */
677	case SUBLANG_PORTUGUESE_BRAZILIAN: return "pt_BR";
678	}
679      return "pt";
680    case LANG_PUNJABI: return "pa_IN";
681    case 0x17: /* RHAETO-ROMANCE */ return "rm_CH";
682    case LANG_ROMANIAN: return "ro_RO";
683    case LANG_RUSSIAN:
684      return "ru"; /* Ambiguous: could be "ru_RU" or "ru_UA".  */
685    case 0x3b: /* SAMI */ return "se_NO";
686    case LANG_SANSKRIT: return "sa_IN";
687    case LANG_SINDHI: return "sd";
688    case 0x5b: /* SINHALESE */ return "si_LK";
689    case LANG_SLOVAK: return "sk_SK";
690    case LANG_SLOVENIAN: return "sl_SI";
691    case 0x77: /* SOMALI */ return "so_SO";
692    case LANG_SORBIAN:
693      /* FIXME: Adjust this when such locales appear on Unix.  */
694      return "wen_DE";
695    case LANG_SPANISH:
696      switch (sub)
697	{
698	case SUBLANG_SPANISH: return "es_ES";
699	case SUBLANG_SPANISH_MEXICAN: return "es_MX";
700	case SUBLANG_SPANISH_MODERN:
701	  return "es_ES@modern";	/* not seen on Unix */
702	case SUBLANG_SPANISH_GUATEMALA: return "es_GT";
703	case SUBLANG_SPANISH_COSTA_RICA: return "es_CR";
704	case SUBLANG_SPANISH_PANAMA: return "es_PA";
705	case SUBLANG_SPANISH_DOMINICAN_REPUBLIC: return "es_DO";
706	case SUBLANG_SPANISH_VENEZUELA: return "es_VE";
707	case SUBLANG_SPANISH_COLOMBIA: return "es_CO";
708	case SUBLANG_SPANISH_PERU: return "es_PE";
709	case SUBLANG_SPANISH_ARGENTINA: return "es_AR";
710	case SUBLANG_SPANISH_ECUADOR: return "es_EC";
711	case SUBLANG_SPANISH_CHILE: return "es_CL";
712	case SUBLANG_SPANISH_URUGUAY: return "es_UY";
713	case SUBLANG_SPANISH_PARAGUAY: return "es_PY";
714	case SUBLANG_SPANISH_BOLIVIA: return "es_BO";
715	case SUBLANG_SPANISH_EL_SALVADOR: return "es_SV";
716	case SUBLANG_SPANISH_HONDURAS: return "es_HN";
717	case SUBLANG_SPANISH_NICARAGUA: return "es_NI";
718	case SUBLANG_SPANISH_PUERTO_RICO: return "es_PR";
719	}
720      return "es";
721    case 0x30: /* SUTU */ return "bnt_TZ";
722    case LANG_SWAHILI: return "sw_KE";
723    case LANG_SWEDISH:
724      switch (sub)
725	{
726	case SUBLANG_DEFAULT: return "sv_SE";
727	case SUBLANG_SWEDISH_FINLAND: return "sv_FI";
728	}
729      return "sv";
730    case LANG_SYRIAC: return "syr_TR"; /* An extinct language.  */
731    case 0x64: /* TAGALOG */ return "tl_PH";
732    case 0x28: /* TAJIK */ return "tg_TJ";
733    case 0x5f: /* TAMAZIGHT */ return "ber_MA";
734    case LANG_TAMIL:
735      return "ta"; /* Ambiguous: could be "ta_IN" or "ta_LK" or "ta_SG".  */
736    case LANG_TATAR: return "tt_RU";
737    case LANG_TELUGU: return "te_IN";
738    case LANG_THAI: return "th_TH";
739    case 0x51: /* TIBETAN */ return "bo_CN";
740    case 0x73: /* TIGRINYA */ return "ti_ET";
741    case 0x31: /* TSONGA */ return "ts_ZA";
742    case LANG_TURKISH: return "tr_TR";
743    case 0x42: /* TURKMEN */ return "tk_TM";
744    case LANG_UKRAINIAN: return "uk_UA";
745    case LANG_URDU:
746      switch (sub)
747	{
748	case SUBLANG_URDU_PAKISTAN: return "ur_PK";
749	case SUBLANG_URDU_INDIA: return "ur_IN";
750	}
751      return "ur";
752    case LANG_UZBEK:
753      switch (sub)
754	{
755	/* FIXME: Adjust this when Uzbek locales appear on Unix.  */
756	case SUBLANG_UZBEK_LATIN: return "uz_UZ@latin";
757	case SUBLANG_UZBEK_CYRILLIC: return "uz_UZ@cyrillic";
758	}
759      return "uz";
760    case 0x33: /* VENDA */ return "ven_ZA";
761    case LANG_VIETNAMESE: return "vi_VN";
762    case 0x52: /* WELSH */ return "cy_GB";
763    case 0x34: /* XHOSA */ return "xh_ZA";
764    case 0x78: /* YI */ return "sit_CN";
765    case 0x3d: /* YIDDISH */ return "yi_IL";
766    case 0x6a: /* YORUBA */ return "yo_NG";
767    case 0x35: /* ZULU */ return "zu_ZA";
768    default: return "C";
769    }
770
771#endif
772}
773