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1 /*
2  **********************************************************************
3  *   Copyright (C) 1996-2011, International Business Machines
4  *   Corporation and others.  All Rights Reserved.
5  **********************************************************************
6  *
7  * Provides functionality for mapping between
8  * LCID and Posix IDs or ICU locale to codepage
9  *
10  * Note: All classes and code in this file are
11  *       intended for internal use only.
12  *
13  * Methods of interest:
14  *   unsigned long convertToLCID(const char*);
15  *   const char* convertToPosix(unsigned long);
16  *
17  * Kathleen Wilson, 4/30/96
18  *
19  *  Date        Name        Description
20  *  3/11/97     aliu        Fixed off-by-one bug in assignment operator. Added
21  *                          setId() method and safety check against
22  *                          MAX_ID_LENGTH.
23  * 04/23/99     stephen     Added C wrapper for convertToPosix.
24  * 09/18/00     george      Removed the memory leaks.
25  * 08/23/01     george      Convert to C
26  */
27 
28 #include "locmap.h"
29 #include "unicode/uloc.h"
30 #include "cstring.h"
31 #include "cmemory.h"
32 
33 #if defined(U_WINDOWS) && defined(_MSC_VER) && (_MSC_VER >= 1500)
34 #define USE_WINDOWS_LOCALE_API
35 #endif
36 
37 #ifdef USE_WINDOWS_LOCALE_API
38 #include <windows.h>
39 #include <winnls.h>
40 #endif
41 
42 /*
43  * Note:
44  * The mapping from Win32 locale ID numbers to POSIX locale strings should
45  * be the faster one.
46  *
47  * Many LCID values come from winnt.h
48  * Some also come from http://www.microsoft.com/globaldev/reference/lcid-all.mspx
49  */
50 
51 /*
52 ////////////////////////////////////////////////
53 //
54 // Internal Classes for LCID <--> POSIX Mapping
55 //
56 /////////////////////////////////////////////////
57 */
58 
59 typedef struct ILcidPosixElement
60 {
61     const uint32_t hostID;
62     const char * const posixID;
63 } ILcidPosixElement;
64 
65 typedef struct ILcidPosixMap
66 {
67     const uint32_t numRegions;
68     const struct ILcidPosixElement* const regionMaps;
69 } ILcidPosixMap;
70 
71 
72 /*
73 /////////////////////////////////////////////////
74 //
75 // Easy macros to make the LCID <--> POSIX Mapping
76 //
77 /////////////////////////////////////////////////
78 */
79 
80 /**
81  * The standard one language/one country mapping for LCID.
82  * The first element must be the language, and the following
83  * elements are the language with the country.
84  * @param hostID LCID in host format such as 0x044d
85  * @param languageID posix ID of just the language such as 'de'
86  * @param posixID posix ID of the language_TERRITORY such as 'de_CH'
87  */
88 #define ILCID_POSIX_ELEMENT_ARRAY(hostID, languageID, posixID) \
89 static const ILcidPosixElement locmap_ ## languageID [] = { \
90     {LANGUAGE_LCID(hostID), #languageID},     /* parent locale */ \
91     {hostID, #posixID}, \
92 };
93 
94 /**
95  * Define a subtable by ID
96  * @param id the POSIX ID, either a language or language_TERRITORY
97  */
98 #define ILCID_POSIX_SUBTABLE(id) \
99 static const ILcidPosixElement locmap_ ## id [] =
100 
101 
102 /**
103  * Create the map for the posixID. This macro supposes that the language string
104  * name is the same as the global variable name, and that the first element
105  * in the ILcidPosixElement is just the language.
106  * @param _posixID the full POSIX ID for this entry.
107  */
108 #define ILCID_POSIX_MAP(_posixID) \
109     {sizeof(locmap_ ## _posixID)/sizeof(ILcidPosixElement), locmap_ ## _posixID}
110 
111 /*
112 ////////////////////////////////////////////
113 //
114 // Create the table of LCID to POSIX Mapping
115 // None of it should be dynamically created.
116 //
117 // Keep static locale variables inside the function so that
118 // it can be created properly during static init.
119 //
120 // Note: This table should be updated periodically. Check the National Lanaguage Support API Reference Website.
121 //       Microsoft is moving away from LCID in favor of locale name as of Vista.  This table needs to be
122 //       maintained for support of older Windows version.
123 //       Update: Windows 7 (091130)
124 ////////////////////////////////////////////
125 */
126 
127 ILCID_POSIX_ELEMENT_ARRAY(0x0436, af, af_ZA)
128 
ILCID_POSIX_SUBTABLE(ar)129 ILCID_POSIX_SUBTABLE(ar) {
130     {0x01,   "ar"},
131     {0x3801, "ar_AE"},
132     {0x3c01, "ar_BH"},
133     {0x1401, "ar_DZ"},
134     {0x0c01, "ar_EG"},
135     {0x0801, "ar_IQ"},
136     {0x2c01, "ar_JO"},
137     {0x3401, "ar_KW"},
138     {0x3001, "ar_LB"},
139     {0x1001, "ar_LY"},
140     {0x1801, "ar_MA"},
141     {0x1801, "ar_MO"},
142     {0x2001, "ar_OM"},
143     {0x4001, "ar_QA"},
144     {0x0401, "ar_SA"},
145     {0x2801, "ar_SY"},
146     {0x1c01, "ar_TN"},
147     {0x2401, "ar_YE"}
148 };
149 
150 ILCID_POSIX_ELEMENT_ARRAY(0x044d, as, as_IN)
151 ILCID_POSIX_ELEMENT_ARRAY(0x045e, am, am_ET)
152 ILCID_POSIX_ELEMENT_ARRAY(0x047a, arn,arn_CL)
153 
ILCID_POSIX_SUBTABLE(az)154 ILCID_POSIX_SUBTABLE(az) {
155     {0x2c,   "az"},
156     {0x082c, "az_Cyrl_AZ"},  /* Cyrillic based */
157     {0x742c, "az_Cyrl"},  /* Cyrillic based */
158     {0x042c, "az_Latn_AZ"}, /* Latin based */
159     {0x782c, "az_Latn"}, /* Latin based */
160     {0x042c, "az_AZ"} /* Latin based */
161 };
162 
163 ILCID_POSIX_ELEMENT_ARRAY(0x046d, ba, ba_RU)
164 ILCID_POSIX_ELEMENT_ARRAY(0x0423, be, be_BY)
165 
ILCID_POSIX_SUBTABLE(ber)166 ILCID_POSIX_SUBTABLE(ber) {
167     {0x5f,   "ber"},
168     {0x045f, "ber_Arab_DZ"},
169     {0x045f, "ber_Arab"},
170     {0x085f, "ber_Latn_DZ"},
171     {0x085f, "ber_Latn"}
172 };
173 
174 ILCID_POSIX_ELEMENT_ARRAY(0x0402, bg, bg_BG)
175 
176 ILCID_POSIX_ELEMENT_ARRAY(0x0466, bin, bin_NG)
177 
ILCID_POSIX_SUBTABLE(bn)178 ILCID_POSIX_SUBTABLE(bn) {
179     {0x45,   "bn"},
180     {0x0845, "bn_BD"},
181     {0x0445, "bn_IN"}
182 };
183 
ILCID_POSIX_SUBTABLE(bo)184 ILCID_POSIX_SUBTABLE(bo) {
185     {0x51,   "bo"},
186     {0x0851, "bo_BT"},
187     {0x0451, "bo_CN"}
188 };
189 
190 ILCID_POSIX_ELEMENT_ARRAY(0x047e, br, br_FR)
191 ILCID_POSIX_ELEMENT_ARRAY(0x0403, ca, ca_ES)
192 ILCID_POSIX_ELEMENT_ARRAY(0x0483, co, co_FR)
193 ILCID_POSIX_ELEMENT_ARRAY(0x045c, chr,chr_US)
194 
195 /* Declared as cs_CZ to get around compiler errors on z/OS, which defines cs as a function */
196 ILCID_POSIX_ELEMENT_ARRAY(0x0405, cs, cs_CZ)
197 
198 ILCID_POSIX_ELEMENT_ARRAY(0x0452, cy, cy_GB)
199 ILCID_POSIX_ELEMENT_ARRAY(0x0406, da, da_DK)
200 
ILCID_POSIX_SUBTABLE(de)201 ILCID_POSIX_SUBTABLE(de) {
202     {0x07,   "de"},
203     {0x0c07, "de_AT"},
204     {0x0807, "de_CH"},
205     {0x0407, "de_DE"},
206     {0x1407, "de_LI"},
207     {0x1007, "de_LU"},
208     {0x10407,"de_DE@collation=phonebook"},  /*This is really de_DE_PHONEBOOK on Windows*/
209     {0x10407,"de@collation=phonebook"}  /*This is really de_DE_PHONEBOOK on Windows*/
210 };
211 
212 ILCID_POSIX_ELEMENT_ARRAY(0x0465, dv, dv_MV)
213 ILCID_POSIX_ELEMENT_ARRAY(0x0408, el, el_GR)
214 
ILCID_POSIX_SUBTABLE(en)215 ILCID_POSIX_SUBTABLE(en) {
216     {0x09,   "en"},
217     {0x0c09, "en_AU"},
218     {0x2809, "en_BZ"},
219     {0x1009, "en_CA"},
220     {0x0809, "en_GB"},
221     {0x3c09, "en_HK"},
222     {0x3809, "en_ID"},
223     {0x1809, "en_IE"},
224     {0x4009, "en_IN"},
225     {0x2009, "en_JM"},
226     {0x4409, "en_MY"},
227     {0x1409, "en_NZ"},
228     {0x3409, "en_PH"},
229     {0x4809, "en_SG"},
230     {0x2C09, "en_TT"},
231     {0x0409, "en_US"},
232     {0x007f, "en_US_POSIX"}, /* duplicate for roundtripping */
233     {0x2409, "en_VI"},  /* Virgin Islands AKA Caribbean Islands (en_CB). */
234     {0x1c09, "en_ZA"},
235     {0x3009, "en_ZW"},
236     {0x2409, "en_029"},
237     {0x0409, "en_AS"},  /* Alias for en_US. Leave last. */
238     {0x0409, "en_GU"},  /* Alias for en_US. Leave last. */
239     {0x0409, "en_MH"},  /* Alias for en_US. Leave last. */
240     {0x0409, "en_MP"},  /* Alias for en_US. Leave last. */
241     {0x0409, "en_UM"}   /* Alias for en_US. Leave last. */
242 };
243 
ILCID_POSIX_SUBTABLE(en_US_POSIX)244 ILCID_POSIX_SUBTABLE(en_US_POSIX) {
245     {0x007f, "en_US_POSIX"} /* duplicate for roundtripping */
246 };
247 
ILCID_POSIX_SUBTABLE(es)248 ILCID_POSIX_SUBTABLE(es) {
249     {0x0a,   "es"},
250     {0x2c0a, "es_AR"},
251     {0x400a, "es_BO"},
252     {0x340a, "es_CL"},
253     {0x240a, "es_CO"},
254     {0x140a, "es_CR"},
255     {0x1c0a, "es_DO"},
256     {0x300a, "es_EC"},
257     {0x0c0a, "es_ES"},      /*Modern sort.*/
258     {0x100a, "es_GT"},
259     {0x480a, "es_HN"},
260     {0x080a, "es_MX"},
261     {0x4c0a, "es_NI"},
262     {0x180a, "es_PA"},
263     {0x280a, "es_PE"},
264     {0x500a, "es_PR"},
265     {0x3c0a, "es_PY"},
266     {0x440a, "es_SV"},
267     {0x540a, "es_US"},
268     {0x380a, "es_UY"},
269     {0x200a, "es_VE"},
270     {0xe40a, "es_419"},
271     {0x040a, "es_ES@collation=traditional"},
272     {0x040a, "es@collation=traditional"}
273 };
274 
275 ILCID_POSIX_ELEMENT_ARRAY(0x0425, et, et_EE)
276 ILCID_POSIX_ELEMENT_ARRAY(0x042d, eu, eu_ES)
277 
278 /* ISO-639 doesn't distinguish between Persian and Dari.*/
ILCID_POSIX_SUBTABLE(fa)279 ILCID_POSIX_SUBTABLE(fa) {
280     {0x29,   "fa"},
281     {0x0429, "fa_IR"},  /* Persian/Farsi (Iran) */
282     {0x048c, "fa_AF"}   /* Persian/Dari (Afghanistan) */
283 };
284 
285 /* duplicate for roundtripping */
ILCID_POSIX_SUBTABLE(fa_AF)286 ILCID_POSIX_SUBTABLE(fa_AF) {
287     {0x8c,   "fa_AF"},  /* Persian/Dari (Afghanistan) */
288     {0x048c, "fa_AF"}   /* Persian/Dari (Afghanistan) */
289 };
290 
291 ILCID_POSIX_ELEMENT_ARRAY(0x040b, fi, fi_FI)
292 ILCID_POSIX_ELEMENT_ARRAY(0x0464, fil,fil_PH)
293 ILCID_POSIX_ELEMENT_ARRAY(0x0438, fo, fo_FO)
294 
ILCID_POSIX_SUBTABLE(fr)295 ILCID_POSIX_SUBTABLE(fr) {
296     {0x0c,   "fr"},
297     {0x080c, "fr_BE"},
298     {0x0c0c, "fr_CA"},
299     {0x240c, "fr_CD"},
300     {0x240c, "fr_CG"},
301     {0x100c, "fr_CH"},
302     {0x300c, "fr_CI"},
303     {0x2c0c, "fr_CM"},
304     {0x040c, "fr_FR"},
305     {0x3c0c, "fr_HT"},
306     {0x140c, "fr_LU"},
307     {0x380c, "fr_MA"},
308     {0x180c, "fr_MC"},
309     {0x340c, "fr_ML"},
310     {0x200c, "fr_RE"},
311     {0x280c, "fr_SN"},
312     {0xe40c, "fr_015"},
313     {0x1c0c, "fr_029"}
314 };
315 
316 ILCID_POSIX_ELEMENT_ARRAY(0x0467, fuv, fuv_NG)
317 
318 ILCID_POSIX_ELEMENT_ARRAY(0x0462, fy, fy_NL)
319 
ILCID_POSIX_SUBTABLE(ga)320 ILCID_POSIX_SUBTABLE(ga) { /* Gaelic (Ireland) */
321     {0x3c,   "ga"},
322     {0x083c, "ga_IE"},
323     {0x043c, "gd_GB"}
324 };
325 
ILCID_POSIX_SUBTABLE(gd)326 ILCID_POSIX_SUBTABLE(gd) { /* Gaelic (Scotland) */
327     {0x91,   "gd"},
328     {0x0491, "gd_GB"}
329 };
330 
331 ILCID_POSIX_ELEMENT_ARRAY(0x0456, gl, gl_ES)
332 ILCID_POSIX_ELEMENT_ARRAY(0x0447, gu, gu_IN)
333 ILCID_POSIX_ELEMENT_ARRAY(0x0474, gn, gn_PY)
334 ILCID_POSIX_ELEMENT_ARRAY(0x0484, gsw,gsw_FR)
335 
ILCID_POSIX_SUBTABLE(ha)336 ILCID_POSIX_SUBTABLE(ha) {
337     {0x68,   "ha"},
338     {0x7c68, "ha_Latn"},
339     {0x0468, "ha_Latn_NG"},
340 };
341 
342 ILCID_POSIX_ELEMENT_ARRAY(0x0475, haw,haw_US)
343 ILCID_POSIX_ELEMENT_ARRAY(0x040d, he, he_IL)
344 ILCID_POSIX_ELEMENT_ARRAY(0x0439, hi, hi_IN)
345 
346 /* This LCID is really four different locales.*/
ILCID_POSIX_SUBTABLE(hr)347 ILCID_POSIX_SUBTABLE(hr) {
348     {0x1a,   "hr"},
349     {0x141a, "bs_Latn_BA"},  /* Bosnian, Bosnia and Herzegovina */
350     {0x681a, "bs_Latn"},  /* Bosnian, Bosnia and Herzegovina */
351     {0x141a, "bs_BA"},  /* Bosnian, Bosnia and Herzegovina */
352     {0x781a, "bs"},     /* Bosnian */
353     {0x201a, "bs_Cyrl_BA"},  /* Bosnian, Bosnia and Herzegovina */
354     {0x641a, "bs_Cyrl"},  /* Bosnian, Bosnia and Herzegovina */
355     {0x101a, "hr_BA"},  /* Croatian in Bosnia */
356     {0x041a, "hr_HR"},  /* Croatian*/
357     {0x2c1a, "sr_Latn_ME"},
358     {0x241a, "sr_Latn_RS"},
359     {0x181a, "sr_Latn_BA"}, /* Serbo-Croatian in Bosnia */
360     {0x081a, "sr_Latn_CS"}, /* Serbo-Croatian*/
361     {0x701a, "sr_Latn"},    /* It's 0x1a or 0x081a, pick one to make the test program happy. */
362     {0x1c1a, "sr_Cyrl_BA"}, /* Serbo-Croatian in Bosnia */
363     {0x0c1a, "sr_Cyrl_CS"}, /* Serbian*/
364     {0x301a, "sr_Cyrl_ME"},
365     {0x281a, "sr_Cyrl_RS"},
366     {0x6c1a, "sr_Cyrl"},    /* It's 0x1a or 0x0c1a, pick one to make the test program happy. */
367     {0x7c1a, "sr"}          /* In CLDR sr is sr_Cyrl. */
368 };
369 
370 ILCID_POSIX_ELEMENT_ARRAY(0x040e, hu, hu_HU)
371 ILCID_POSIX_ELEMENT_ARRAY(0x042b, hy, hy_AM)
372 ILCID_POSIX_ELEMENT_ARRAY(0x0469, ibb, ibb_NG)
373 ILCID_POSIX_ELEMENT_ARRAY(0x0421, id, id_ID)
374 ILCID_POSIX_ELEMENT_ARRAY(0x0470, ig, ig_NG)
375 ILCID_POSIX_ELEMENT_ARRAY(0x0478, ii, ii_CN)
376 ILCID_POSIX_ELEMENT_ARRAY(0x040f, is, is_IS)
377 
ILCID_POSIX_SUBTABLE(it)378 ILCID_POSIX_SUBTABLE(it) {
379     {0x10,   "it"},
380     {0x0810, "it_CH"},
381     {0x0410, "it_IT"}
382 };
383 
ILCID_POSIX_SUBTABLE(iu)384 ILCID_POSIX_SUBTABLE(iu) {
385     {0x5d,   "iu"},
386     {0x045d, "iu_Cans_CA"},
387     {0x785d, "iu_Cans"},
388     {0x085d, "iu_Latn_CA"},
389     {0x7c5d, "iu_Latn"}
390 };
391 
392 ILCID_POSIX_ELEMENT_ARRAY(0x040d, iw, iw_IL)    /*Left in for compatibility*/
393 ILCID_POSIX_ELEMENT_ARRAY(0x0411, ja, ja_JP)
394 ILCID_POSIX_ELEMENT_ARRAY(0x0437, ka, ka_GE)
395 ILCID_POSIX_ELEMENT_ARRAY(0x043f, kk, kk_KZ)
396 ILCID_POSIX_ELEMENT_ARRAY(0x046f, kl, kl_GL)
397 ILCID_POSIX_ELEMENT_ARRAY(0x0453, km, km_KH)
398 ILCID_POSIX_ELEMENT_ARRAY(0x044b, kn, kn_IN)
399 
ILCID_POSIX_SUBTABLE(ko)400 ILCID_POSIX_SUBTABLE(ko) {
401     {0x12,   "ko"},
402     {0x0812, "ko_KP"},
403     {0x0412, "ko_KR"}
404 };
405 
406 ILCID_POSIX_ELEMENT_ARRAY(0x0457, kok, kok_IN)
407 ILCID_POSIX_ELEMENT_ARRAY(0x0471, kr,  kr_NG)
408 
ILCID_POSIX_SUBTABLE(ks)409 ILCID_POSIX_SUBTABLE(ks) {         /* We could add PK and CN too */
410     {0x60,   "ks"},
411     {0x0860, "ks_IN"},              /* Documentation doesn't mention script */
412     {0x0460, "ks_Arab_IN"},
413     {0x0860, "ks_Deva_IN"}
414 };
415 
416 ILCID_POSIX_ELEMENT_ARRAY(0x0440, ky, ky_KG)   /* Kyrgyz is spoken in Kyrgyzstan */
417 ILCID_POSIX_ELEMENT_ARRAY(0x0476, la, la_IT)   /* TODO: Verify the country */
418 ILCID_POSIX_ELEMENT_ARRAY(0x046e, lb, lb_LU)
419 ILCID_POSIX_ELEMENT_ARRAY(0x0454, lo, lo_LA)
420 ILCID_POSIX_ELEMENT_ARRAY(0x0427, lt, lt_LT)
421 ILCID_POSIX_ELEMENT_ARRAY(0x0426, lv, lv_LV)
422 ILCID_POSIX_ELEMENT_ARRAY(0x0481, mi, mi_NZ)
423 ILCID_POSIX_ELEMENT_ARRAY(0x042f, mk, mk_MK)
424 ILCID_POSIX_ELEMENT_ARRAY(0x044c, ml, ml_IN)
425 
ILCID_POSIX_SUBTABLE(mn)426 ILCID_POSIX_SUBTABLE(mn) {
427     {0x50,   "mn"},
428     {0x0450, "mn_MN"},
429     {0x7c50, "mn_Mong"},
430     {0x0850, "mn_Mong_CN"},
431     {0x0850, "mn_CN"},
432     {0x7850, "mn_Cyrl"}
433 };
434 
435 ILCID_POSIX_ELEMENT_ARRAY(0x0458, mni,mni_IN)
436 ILCID_POSIX_ELEMENT_ARRAY(0x047c, moh,moh_CA)
437 ILCID_POSIX_ELEMENT_ARRAY(0x044e, mr, mr_IN)
438 
ILCID_POSIX_SUBTABLE(ms)439 ILCID_POSIX_SUBTABLE(ms) {
440     {0x3e,   "ms"},
441     {0x083e, "ms_BN"},   /* Brunei Darussalam*/
442     {0x043e, "ms_MY"}    /* Malaysia*/
443 };
444 
445 ILCID_POSIX_ELEMENT_ARRAY(0x043a, mt, mt_MT)
446 ILCID_POSIX_ELEMENT_ARRAY(0x0455, my, my_MM)
447 
ILCID_POSIX_SUBTABLE(ne)448 ILCID_POSIX_SUBTABLE(ne) {
449     {0x61,   "ne"},
450     {0x0861, "ne_IN"},   /* India*/
451     {0x0461, "ne_NP"}    /* Nepal*/
452 };
453 
ILCID_POSIX_SUBTABLE(nl)454 ILCID_POSIX_SUBTABLE(nl) {
455     {0x13,   "nl"},
456     {0x0813, "nl_BE"},
457     {0x0413, "nl_NL"}
458 };
459 
460 /* The "no" locale split into nb and nn.  By default in ICU, "no" is nb.*/
ILCID_POSIX_SUBTABLE(no)461 ILCID_POSIX_SUBTABLE(no) {
462     {0x14,   "no"},     /* really nb_NO */
463     {0x7c14, "nb"},     /* really nb */
464     {0x0414, "nb_NO"},  /* really nb_NO. Keep first in the 414 list. */
465     {0x0414, "no_NO"},  /* really nb_NO */
466     {0x0814, "nn_NO"},  /* really nn_NO. Keep first in the 814 list.  */
467     {0x7814, "nn"},     /* It's 0x14 or 0x814, pick one to make the test program happy. */
468     {0x0814, "no_NO_NY"}/* really nn_NO */
469 };
470 
471 ILCID_POSIX_ELEMENT_ARRAY(0x046c, nso,nso_ZA)   /* TODO: Verify the ISO-639 code */
472 ILCID_POSIX_ELEMENT_ARRAY(0x0482, oc, oc_FR)
473 
ILCID_POSIX_SUBTABLE(om)474 ILCID_POSIX_SUBTABLE(om) { /* TODO: Verify the country */
475     {0x72,   "om"},
476     {0x0472, "om_ET"},
477     {0x0472, "gaz_ET"}
478 };
479 
480 /* Declared as or_IN to get around compiler errors*/
ILCID_POSIX_SUBTABLE(or_IN)481 ILCID_POSIX_SUBTABLE(or_IN) {
482     {0x48,   "or"},
483     {0x0448, "or_IN"},
484 };
485 
486 
ILCID_POSIX_SUBTABLE(pa)487 ILCID_POSIX_SUBTABLE(pa) {
488     {0x46,   "pa"},
489     {0x0446, "pa_IN"},
490     {0x0846, "pa_PK"}
491 };
492 
493 ILCID_POSIX_ELEMENT_ARRAY(0x0479, pap, pap_AN)
494 ILCID_POSIX_ELEMENT_ARRAY(0x0415, pl, pl_PL)
495 ILCID_POSIX_ELEMENT_ARRAY(0x0463, ps, ps_AF)
496 
ILCID_POSIX_SUBTABLE(pt)497 ILCID_POSIX_SUBTABLE(pt) {
498     {0x16,   "pt"},
499     {0x0416, "pt_BR"},
500     {0x0816, "pt_PT"}
501 };
502 
ILCID_POSIX_SUBTABLE(qu)503 ILCID_POSIX_SUBTABLE(qu) {
504     {0x6b,   "qu"},
505     {0x046b, "qu_BO"},
506     {0x086b, "qu_EC"},
507     {0x0C6b, "qu_PE"},
508     {0x046b, "quz_BO"},
509     {0x086b, "quz_EC"},
510     {0x0C6b, "quz_PE"}
511 };
512 
513 ILCID_POSIX_ELEMENT_ARRAY(0x0486, qut, qut_GT) /* qut is an ISO-639-3 code */
514 ILCID_POSIX_ELEMENT_ARRAY(0x0417, rm, rm_CH)
515 
ILCID_POSIX_SUBTABLE(ro)516 ILCID_POSIX_SUBTABLE(ro) {
517     {0x18,   "ro"},
518     {0x0418, "ro_RO"},
519     {0x0818, "ro_MD"}
520 };
521 
ILCID_POSIX_SUBTABLE(root)522 ILCID_POSIX_SUBTABLE(root) {
523     {0x00,   "root"}
524 };
525 
ILCID_POSIX_SUBTABLE(ru)526 ILCID_POSIX_SUBTABLE(ru) {
527     {0x19,   "ru"},
528     {0x0419, "ru_RU"},
529     {0x0819, "ru_MD"}
530 };
531 
532 ILCID_POSIX_ELEMENT_ARRAY(0x0487, rw, rw_RW)
533 ILCID_POSIX_ELEMENT_ARRAY(0x044f, sa, sa_IN)
534 ILCID_POSIX_ELEMENT_ARRAY(0x0485, sah,sah_RU)
535 
ILCID_POSIX_SUBTABLE(sd)536 ILCID_POSIX_SUBTABLE(sd) {
537     {0x59,   "sd"},
538     {0x0459, "sd_IN"},
539     {0x0859, "sd_PK"}
540 };
541 
ILCID_POSIX_SUBTABLE(se)542 ILCID_POSIX_SUBTABLE(se) {
543     {0x3b,   "se"},
544     {0x0c3b, "se_FI"},
545     {0x043b, "se_NO"},
546     {0x083b, "se_SE"},
547     {0x783b, "sma"},
548     {0x183b, "sma_NO"},
549     {0x1c3b, "sma_SE"},
550     {0x7c3b, "smj"},
551     {0x703b, "smn"},
552     {0x743b, "sms"},
553     {0x103b, "smj_NO"},
554     {0x143b, "smj_SE"},
555     {0x243b, "smn_FI"},
556     {0x203b, "sms_FI"},
557 };
558 
559 ILCID_POSIX_ELEMENT_ARRAY(0x045b, si, si_LK)
560 ILCID_POSIX_ELEMENT_ARRAY(0x041b, sk, sk_SK)
561 ILCID_POSIX_ELEMENT_ARRAY(0x0424, sl, sl_SI)
562 
ILCID_POSIX_SUBTABLE(so)563 ILCID_POSIX_SUBTABLE(so) { /* TODO: Verify the country */
564     {0x77,   "so"},
565     {0x0477, "so_ET"},
566     {0x0477, "so_SO"}
567 };
568 
569 ILCID_POSIX_ELEMENT_ARRAY(0x041c, sq, sq_AL)
570 ILCID_POSIX_ELEMENT_ARRAY(0x0430, st, st_ZA)
571 
ILCID_POSIX_SUBTABLE(sv)572 ILCID_POSIX_SUBTABLE(sv) {
573     {0x1d,   "sv"},
574     {0x081d, "sv_FI"},
575     {0x041d, "sv_SE"}
576 };
577 
578 ILCID_POSIX_ELEMENT_ARRAY(0x0441, sw, sw_KE)
579 ILCID_POSIX_ELEMENT_ARRAY(0x045A, syr, syr_SY)
580 ILCID_POSIX_ELEMENT_ARRAY(0x0449, ta, ta_IN)
581 ILCID_POSIX_ELEMENT_ARRAY(0x044a, te, te_IN)
582 
583 /* Cyrillic based by default */
ILCID_POSIX_SUBTABLE(tg)584 ILCID_POSIX_SUBTABLE(tg) {
585     {0x28,   "tg"},
586     {0x7c28, "tg_Cyrl"},
587     {0x0428, "tg_Cyrl_TJ"}
588 };
589 
590 ILCID_POSIX_ELEMENT_ARRAY(0x041e, th, th_TH)
591 
ILCID_POSIX_SUBTABLE(ti)592 ILCID_POSIX_SUBTABLE(ti) {
593     {0x73,   "ti"},
594     {0x0473, "ti_ER"},
595     {0x0873, "ti_ER"},
596     {0x0873, "ti_ET"},
597     {0x0473, "ti_ET"}
598 };
599 
600 ILCID_POSIX_ELEMENT_ARRAY(0x0442, tk, tk_TM)
601 
ILCID_POSIX_SUBTABLE(tn)602 ILCID_POSIX_SUBTABLE(tn) {
603     {0x32,   "tn"},
604     {0x0432, "tn_BW"},
605     {0x0432, "tn_ZA"}
606 };
607 
608 ILCID_POSIX_ELEMENT_ARRAY(0x041f, tr, tr_TR)
609 ILCID_POSIX_ELEMENT_ARRAY(0x0431, ts, ts_ZA)
610 ILCID_POSIX_ELEMENT_ARRAY(0x0444, tt, tt_RU)
611 
ILCID_POSIX_SUBTABLE(tzm)612 ILCID_POSIX_SUBTABLE(tzm) {
613     {0x5f,   "tzm"},
614     {0x7c5f, "tzm_Latn"},
615     {0x085f, "tzm_Latn_DZ"},
616     {0x045f, "tmz"}
617 };
618 
ILCID_POSIX_SUBTABLE(ug)619 ILCID_POSIX_SUBTABLE(ug) {
620     {0x80,   "ug"},
621     {0x0480, "ug_CN"},
622     {0x0480, "ug_Arab_CN"}
623 };
624 
625 ILCID_POSIX_ELEMENT_ARRAY(0x0422, uk, uk_UA)
626 
ILCID_POSIX_SUBTABLE(ur)627 ILCID_POSIX_SUBTABLE(ur) {
628     {0x20,   "ur"},
629     {0x0820, "ur_IN"},
630     {0x0420, "ur_PK"}
631 };
632 
ILCID_POSIX_SUBTABLE(uz)633 ILCID_POSIX_SUBTABLE(uz) {
634     {0x43,   "uz"},
635     {0x0843, "uz_Cyrl_UZ"},  /* Cyrillic based */
636     {0x7843, "uz_Cyrl"},  /* Cyrillic based */
637     {0x0843, "uz_UZ"},  /* Cyrillic based */
638     {0x0443, "uz_Latn_UZ"}, /* Latin based */
639     {0x7c43, "uz_Latn"} /* Latin based */
640 };
641 
ILCID_POSIX_SUBTABLE(ve)642 ILCID_POSIX_SUBTABLE(ve) { /* TODO: Verify the country */
643     {0x33,   "ve"},
644     {0x0433, "ve_ZA"},
645     {0x0433, "ven_ZA"}
646 };
647 
648 ILCID_POSIX_ELEMENT_ARRAY(0x042a, vi, vi_VN)
649 
ILCID_POSIX_SUBTABLE(wen)650 ILCID_POSIX_SUBTABLE(wen) {
651     {0x2E,   "wen"},
652     {0x042E, "wen_DE"},
653     {0x042E, "hsb_DE"},
654     {0x082E, "dsb_DE"},
655     {0x7C2E, "dsb"},
656     {0x2E,   "hsb"}
657 };
658 
659 ILCID_POSIX_ELEMENT_ARRAY(0x0488, wo, wo_SN)
660 ILCID_POSIX_ELEMENT_ARRAY(0x0434, xh, xh_ZA)
661 ILCID_POSIX_ELEMENT_ARRAY(0x043d, yi, yi)
662 ILCID_POSIX_ELEMENT_ARRAY(0x046a, yo, yo_NG)
663 
ILCID_POSIX_SUBTABLE(zh)664 ILCID_POSIX_SUBTABLE(zh) {
665     {0x0004, "zh_Hans"},
666     {0x7804, "zh"},
667     {0x0804, "zh_CN"},
668     {0x0804, "zh_Hans_CN"},
669     {0x0c04, "zh_Hant_HK"},
670     {0x0c04, "zh_HK"},
671     {0x1404, "zh_Hant_MO"},
672     {0x1404, "zh_MO"},
673     {0x1004, "zh_Hans_SG"},
674     {0x1004, "zh_SG"},
675     {0x0404, "zh_Hant_TW"},
676     {0x7c04, "zh_Hant"},
677     {0x0404, "zh_TW"},
678     {0x30404,"zh_Hant_TW"},     /* Bopomofo order */
679     {0x30404,"zh_TW"},          /* Bopomofo order */
680     {0x20004,"zh@collation=stroke"},
681     {0x20404,"zh_Hant@collation=stroke"},
682     {0x20404,"zh_Hant_TW@collation=stroke"},
683     {0x20404,"zh_TW@collation=stroke"},
684     {0x20804,"zh_Hans@collation=stroke"},
685     {0x20804,"zh_Hans_CN@collation=stroke"},
686     {0x20804,"zh_CN@collation=stroke"}
687 };
688 
689 ILCID_POSIX_ELEMENT_ARRAY(0x0435, zu, zu_ZA)
690 
691 /* This must be static and grouped by LCID. */
692 static const ILcidPosixMap gPosixIDmap[] = {
693     ILCID_POSIX_MAP(af),    /*  af  Afrikaans                 0x36 */
694     ILCID_POSIX_MAP(am),    /*  am  Amharic                   0x5e */
695     ILCID_POSIX_MAP(ar),    /*  ar  Arabic                    0x01 */
696     ILCID_POSIX_MAP(arn),   /*  arn Araucanian/Mapudungun     0x7a */
697     ILCID_POSIX_MAP(as),    /*  as  Assamese                  0x4d */
698     ILCID_POSIX_MAP(az),    /*  az  Azerbaijani               0x2c */
699     ILCID_POSIX_MAP(ba),    /*  ba  Bashkir                   0x6d */
700     ILCID_POSIX_MAP(be),    /*  be  Belarusian                0x23 */
701 /*    ILCID_POSIX_MAP(ber),     ber Berber/Tamazight          0x5f */
702     ILCID_POSIX_MAP(bg),    /*  bg  Bulgarian                 0x02 */
703     ILCID_POSIX_MAP(bin),   /*  bin Edo                       0x66 */
704     ILCID_POSIX_MAP(bn),    /*  bn  Bengali; Bangla           0x45 */
705     ILCID_POSIX_MAP(bo),    /*  bo  Tibetan                   0x51 */
706     ILCID_POSIX_MAP(br),    /*  br  Breton                    0x7e */
707     ILCID_POSIX_MAP(ca),    /*  ca  Catalan                   0x03 */
708     ILCID_POSIX_MAP(chr),   /*  chr Cherokee                  0x5c */
709     ILCID_POSIX_MAP(co),    /*  co  Corsican                  0x83 */
710     ILCID_POSIX_MAP(cs),    /*  cs  Czech                     0x05 */
711     ILCID_POSIX_MAP(cy),    /*  cy  Welsh                     0x52 */
712     ILCID_POSIX_MAP(da),    /*  da  Danish                    0x06 */
713     ILCID_POSIX_MAP(de),    /*  de  German                    0x07 */
714     ILCID_POSIX_MAP(dv),    /*  dv  Divehi                    0x65 */
715     ILCID_POSIX_MAP(el),    /*  el  Greek                     0x08 */
716     ILCID_POSIX_MAP(en),    /*  en  English                   0x09 */
717     ILCID_POSIX_MAP(en_US_POSIX), /*    invariant             0x7f */
718     ILCID_POSIX_MAP(es),    /*  es  Spanish                   0x0a */
719     ILCID_POSIX_MAP(et),    /*  et  Estonian                  0x25 */
720     ILCID_POSIX_MAP(eu),    /*  eu  Basque                    0x2d */
721     ILCID_POSIX_MAP(fa),    /*  fa  Persian/Farsi             0x29 */
722     ILCID_POSIX_MAP(fa_AF), /*  fa  Persian/Dari              0x8c */
723     ILCID_POSIX_MAP(fi),    /*  fi  Finnish                   0x0b */
724     ILCID_POSIX_MAP(fil),   /*  fil Filipino                  0x64 */
725     ILCID_POSIX_MAP(fo),    /*  fo  Faroese                   0x38 */
726     ILCID_POSIX_MAP(fr),    /*  fr  French                    0x0c */
727     ILCID_POSIX_MAP(fuv),   /*  fuv Fulfulde - Nigeria        0x67 */
728     ILCID_POSIX_MAP(fy),    /*  fy  Frisian                   0x62 */
729     ILCID_POSIX_MAP(ga),    /*  *   Gaelic (Ireland,Scotland) 0x3c */
730     ILCID_POSIX_MAP(gd),    /*  gd  Gaelic (United Kingdom)   0x91 */
731     ILCID_POSIX_MAP(gl),    /*  gl  Galician                  0x56 */
732     ILCID_POSIX_MAP(gn),    /*  gn  Guarani                   0x74 */
733     ILCID_POSIX_MAP(gsw),   /*  gsw Alemanic/Alsatian/Swiss German 0x84 */
734     ILCID_POSIX_MAP(gu),    /*  gu  Gujarati                  0x47 */
735     ILCID_POSIX_MAP(ha),    /*  ha  Hausa                     0x68 */
736     ILCID_POSIX_MAP(haw),   /*  haw Hawaiian                  0x75 */
737     ILCID_POSIX_MAP(he),    /*  he  Hebrew (formerly iw)      0x0d */
738     ILCID_POSIX_MAP(hi),    /*  hi  Hindi                     0x39 */
739     ILCID_POSIX_MAP(hr),    /*  *   Croatian and others       0x1a */
740     ILCID_POSIX_MAP(hu),    /*  hu  Hungarian                 0x0e */
741     ILCID_POSIX_MAP(hy),    /*  hy  Armenian                  0x2b */
742     ILCID_POSIX_MAP(ibb),   /*  ibb Ibibio - Nigeria          0x69 */
743     ILCID_POSIX_MAP(id),    /*  id  Indonesian (formerly in)  0x21 */
744     ILCID_POSIX_MAP(ig),    /*  ig  Igbo                      0x70 */
745     ILCID_POSIX_MAP(ii),    /*  ii  Sichuan Yi                0x78 */
746     ILCID_POSIX_MAP(is),    /*  is  Icelandic                 0x0f */
747     ILCID_POSIX_MAP(it),    /*  it  Italian                   0x10 */
748     ILCID_POSIX_MAP(iu),    /*  iu  Inuktitut                 0x5d */
749     ILCID_POSIX_MAP(iw),    /*  iw  Hebrew                    0x0d */
750     ILCID_POSIX_MAP(ja),    /*  ja  Japanese                  0x11 */
751     ILCID_POSIX_MAP(ka),    /*  ka  Georgian                  0x37 */
752     ILCID_POSIX_MAP(kk),    /*  kk  Kazakh                    0x3f */
753     ILCID_POSIX_MAP(kl),    /*  kl  Kalaallisut               0x6f */
754     ILCID_POSIX_MAP(km),    /*  km  Khmer                     0x53 */
755     ILCID_POSIX_MAP(kn),    /*  kn  Kannada                   0x4b */
756     ILCID_POSIX_MAP(ko),    /*  ko  Korean                    0x12 */
757     ILCID_POSIX_MAP(kok),   /*  kok Konkani                   0x57 */
758     ILCID_POSIX_MAP(kr),    /*  kr  Kanuri                    0x71 */
759     ILCID_POSIX_MAP(ks),    /*  ks  Kashmiri                  0x60 */
760     ILCID_POSIX_MAP(ky),    /*  ky  Kyrgyz                    0x40 */
761     ILCID_POSIX_MAP(lb),    /*  lb  Luxembourgish             0x6e */
762     ILCID_POSIX_MAP(la),    /*  la  Latin                     0x76 */
763     ILCID_POSIX_MAP(lo),    /*  lo  Lao                       0x54 */
764     ILCID_POSIX_MAP(lt),    /*  lt  Lithuanian                0x27 */
765     ILCID_POSIX_MAP(lv),    /*  lv  Latvian, Lettish          0x26 */
766     ILCID_POSIX_MAP(mi),    /*  mi  Maori                     0x81 */
767     ILCID_POSIX_MAP(mk),    /*  mk  Macedonian                0x2f */
768     ILCID_POSIX_MAP(ml),    /*  ml  Malayalam                 0x4c */
769     ILCID_POSIX_MAP(mn),    /*  mn  Mongolian                 0x50 */
770     ILCID_POSIX_MAP(mni),   /*  mni Manipuri                  0x58 */
771     ILCID_POSIX_MAP(moh),   /*  moh Mohawk                    0x7c */
772     ILCID_POSIX_MAP(mr),    /*  mr  Marathi                   0x4e */
773     ILCID_POSIX_MAP(ms),    /*  ms  Malay                     0x3e */
774     ILCID_POSIX_MAP(mt),    /*  mt  Maltese                   0x3a */
775     ILCID_POSIX_MAP(my),    /*  my  Burmese                   0x55 */
776 /*    ILCID_POSIX_MAP(nb),    //  no  Norwegian                 0x14 */
777     ILCID_POSIX_MAP(ne),    /*  ne  Nepali                    0x61 */
778     ILCID_POSIX_MAP(nl),    /*  nl  Dutch                     0x13 */
779 /*    ILCID_POSIX_MAP(nn),    //  no  Norwegian                 0x14 */
780     ILCID_POSIX_MAP(no),    /*  *   Norwegian                 0x14 */
781     ILCID_POSIX_MAP(nso),   /*  nso Sotho, Northern (Sepedi dialect) 0x6c */
782     ILCID_POSIX_MAP(oc),    /*  oc  Occitan                   0x82 */
783     ILCID_POSIX_MAP(om),    /*  om  Oromo                     0x72 */
784     ILCID_POSIX_MAP(or_IN), /*  or  Oriya                     0x48 */
785     ILCID_POSIX_MAP(pa),    /*  pa  Punjabi                   0x46 */
786     ILCID_POSIX_MAP(pap),   /*  pap Papiamentu                0x79 */
787     ILCID_POSIX_MAP(pl),    /*  pl  Polish                    0x15 */
788     ILCID_POSIX_MAP(ps),    /*  ps  Pashto                    0x63 */
789     ILCID_POSIX_MAP(pt),    /*  pt  Portuguese                0x16 */
790     ILCID_POSIX_MAP(qu),    /*  qu  Quechua                   0x6B */
791     ILCID_POSIX_MAP(qut),   /*  qut K'iche                    0x86 */
792     ILCID_POSIX_MAP(rm),    /*  rm  Raeto-Romance/Romansh     0x17 */
793     ILCID_POSIX_MAP(ro),    /*  ro  Romanian                  0x18 */
794     ILCID_POSIX_MAP(root),  /*  root                          0x00 */
795     ILCID_POSIX_MAP(ru),    /*  ru  Russian                   0x19 */
796     ILCID_POSIX_MAP(rw),    /*  rw  Kinyarwanda               0x87 */
797     ILCID_POSIX_MAP(sa),    /*  sa  Sanskrit                  0x4f */
798     ILCID_POSIX_MAP(sah),   /*  sah Yakut                     0x85 */
799     ILCID_POSIX_MAP(sd),    /*  sd  Sindhi                    0x59 */
800     ILCID_POSIX_MAP(se),    /*  se  Sami                      0x3b */
801 /*    ILCID_POSIX_MAP(sh),    //  sh  Serbo-Croatian            0x1a */
802     ILCID_POSIX_MAP(si),    /*  si  Sinhalese                 0x5b */
803     ILCID_POSIX_MAP(sk),    /*  sk  Slovak                    0x1b */
804     ILCID_POSIX_MAP(sl),    /*  sl  Slovenian                 0x24 */
805     ILCID_POSIX_MAP(so),    /*  so  Somali                    0x77 */
806     ILCID_POSIX_MAP(sq),    /*  sq  Albanian                  0x1c */
807 /*    ILCID_POSIX_MAP(sr),    //  sr  Serbian                   0x1a */
808     ILCID_POSIX_MAP(st),    /*  st  Sutu                      0x30 */
809     ILCID_POSIX_MAP(sv),    /*  sv  Swedish                   0x1d */
810     ILCID_POSIX_MAP(sw),    /*  sw  Swahili                   0x41 */
811     ILCID_POSIX_MAP(syr),   /*  syr Syriac                    0x5A */
812     ILCID_POSIX_MAP(ta),    /*  ta  Tamil                     0x49 */
813     ILCID_POSIX_MAP(te),    /*  te  Telugu                    0x4a */
814     ILCID_POSIX_MAP(tg),    /*  tg  Tajik                     0x28 */
815     ILCID_POSIX_MAP(th),    /*  th  Thai                      0x1e */
816     ILCID_POSIX_MAP(ti),    /*  ti  Tigrigna                  0x73 */
817     ILCID_POSIX_MAP(tk),    /*  tk  Turkmen                   0x42 */
818     ILCID_POSIX_MAP(tn),    /*  tn  Tswana                    0x32 */
819     ILCID_POSIX_MAP(tr),    /*  tr  Turkish                   0x1f */
820     ILCID_POSIX_MAP(ts),    /*  ts  Tsonga                    0x31 */
821     ILCID_POSIX_MAP(tt),    /*  tt  Tatar                     0x44 */
822     ILCID_POSIX_MAP(tzm),   /*  tzm Tamazight                 0x5f */
823     ILCID_POSIX_MAP(ug),    /*  ug  Uighur                    0x80 */
824     ILCID_POSIX_MAP(uk),    /*  uk  Ukrainian                 0x22 */
825     ILCID_POSIX_MAP(ur),    /*  ur  Urdu                      0x20 */
826     ILCID_POSIX_MAP(uz),    /*  uz  Uzbek                     0x43 */
827     ILCID_POSIX_MAP(ve),    /*  ve  Venda                     0x33 */
828     ILCID_POSIX_MAP(vi),    /*  vi  Vietnamese                0x2a */
829     ILCID_POSIX_MAP(wen),   /*  wen Sorbian                   0x2e */
830     ILCID_POSIX_MAP(wo),    /*  wo  Wolof                     0x88 */
831     ILCID_POSIX_MAP(xh),    /*  xh  Xhosa                     0x34 */
832     ILCID_POSIX_MAP(yi),    /*  yi  Yiddish                   0x3d */
833     ILCID_POSIX_MAP(yo),    /*  yo  Yoruba                    0x6a */
834     ILCID_POSIX_MAP(zh),    /*  zh  Chinese                   0x04 */
835     ILCID_POSIX_MAP(zu),    /*  zu  Zulu                      0x35 */
836 };
837 
838 static const uint32_t gLocaleCount = sizeof(gPosixIDmap)/sizeof(ILcidPosixMap);
839 
840 /**
841  * Do not call this function. It is called by hostID.
842  * The function is not private because this struct must stay as a C struct,
843  * and this is an internal class.
844  */
845 static int32_t
idCmp(const char * id1,const char * id2)846 idCmp(const char* id1, const char* id2)
847 {
848     int32_t diffIdx = 0;
849     while (*id1 == *id2 && *id1 != 0) {
850         diffIdx++;
851         id1++;
852         id2++;
853     }
854     return diffIdx;
855 }
856 
857 /**
858  * Searches for a Windows LCID
859  *
860  * @param posixid the Posix style locale id.
861  * @param status gets set to U_ILLEGAL_ARGUMENT_ERROR when the Posix ID has
862  *               no equivalent Windows LCID.
863  * @return the LCID
864  */
865 static uint32_t
getHostID(const ILcidPosixMap * this_0,const char * posixID,UErrorCode * status)866 getHostID(const ILcidPosixMap *this_0, const char* posixID, UErrorCode* status)
867 {
868     int32_t bestIdx = 0;
869     int32_t bestIdxDiff = 0;
870     int32_t posixIDlen = (int32_t)uprv_strlen(posixID);
871     uint32_t idx;
872 
873     for (idx = 0; idx < this_0->numRegions; idx++ ) {
874         int32_t sameChars = idCmp(posixID, this_0->regionMaps[idx].posixID);
875         if (sameChars > bestIdxDiff && this_0->regionMaps[idx].posixID[sameChars] == 0) {
876             if (posixIDlen == sameChars) {
877                 /* Exact match */
878                 return this_0->regionMaps[idx].hostID;
879             }
880             bestIdxDiff = sameChars;
881             bestIdx = idx;
882         }
883     }
884     /* We asked for something unusual, like en_ZZ, and we try to return the number for the same language. */
885     /* We also have to make sure that sid and si and similar string subsets don't match. */
886     if ((posixID[bestIdxDiff] == '_' || posixID[bestIdxDiff] == '@')
887         && this_0->regionMaps[bestIdx].posixID[bestIdxDiff] == 0)
888     {
889         *status = U_USING_FALLBACK_WARNING;
890         return this_0->regionMaps[bestIdx].hostID;
891     }
892 
893     /*no match found */
894     *status = U_ILLEGAL_ARGUMENT_ERROR;
895     return this_0->regionMaps->hostID;
896 }
897 
898 static const char*
getPosixID(const ILcidPosixMap * this_0,uint32_t hostID)899 getPosixID(const ILcidPosixMap *this_0, uint32_t hostID)
900 {
901     uint32_t i;
902     for (i = 0; i <= this_0->numRegions; i++)
903     {
904         if (this_0->regionMaps[i].hostID == hostID)
905         {
906             return this_0->regionMaps[i].posixID;
907         }
908     }
909 
910     /* If you get here, then no matching region was found,
911        so return the language id with the wild card region. */
912     return this_0->regionMaps[0].posixID;
913 }
914 
915 /*
916 //////////////////////////////////////
917 //
918 // LCID --> POSIX
919 //
920 /////////////////////////////////////
921 */
922 #ifdef USE_WINDOWS_LOCALE_API
923 /*
924  * Change the tag separator from '-' to '_'
925  */
926 #define FIX_LOCALE_ID_TAG_SEPARATOR(buffer, len, i) \
927     for(i = 0; i < len; i++) \
928         if (buffer[i] == '-') buffer[i] = '_';
929 
930 /*
931  * Various language tags needs to be changed:
932  * quz -> qu
933  * prs -> fa
934  */
935 #define FIX_LANGUAGE_ID_TAG(buffer, len) \
936     if (len >= 3) { \
937         if (buffer[0] == 'q' && buffer[1] == 'u' && buffer[2] == 'z') {\
938             buffer[2] = 0; \
939             uprv_strcat(buffer, buffer+3); \
940         } else if (buffer[0] == 'p' && buffer[1] == 'r' && buffer[2] == 's') {\
941             buffer[0] = 'f'; buffer[1] = 'a'; buffer[2] = 0; \
942             uprv_strcat(buffer, buffer+3); \
943         } \
944     }
945 
946 static char gPosixFromLCID[ULOC_FULLNAME_CAPACITY];
947 #endif
948 U_CAPI const char *
uprv_convertToPosix(uint32_t hostid,UErrorCode * status)949 uprv_convertToPosix(uint32_t hostid, UErrorCode* status)
950 {
951     uint16_t langID;
952     uint32_t localeIndex;
953 #ifdef USE_WINDOWS_LOCALE_API
954     int32_t ret = 0;
955 
956     uprv_memset(gPosixFromLCID, 0, sizeof(gPosixFromLCID));
957 
958     ret = GetLocaleInfoA(hostid, LOCALE_SNAME, (LPSTR)gPosixFromLCID, sizeof(gPosixFromLCID));
959     if (ret > 1) {
960         FIX_LOCALE_ID_TAG_SEPARATOR(gPosixFromLCID, (uint32_t)ret, localeIndex)
961         FIX_LANGUAGE_ID_TAG(gPosixFromLCID, ret)
962 
963         return gPosixFromLCID;
964     }
965 #endif
966     langID = LANGUAGE_LCID(hostid);
967 
968     for (localeIndex = 0; localeIndex < gLocaleCount; localeIndex++)
969     {
970         if (langID == gPosixIDmap[localeIndex].regionMaps->hostID)
971         {
972             return getPosixID(&gPosixIDmap[localeIndex], hostid);
973         }
974     }
975 
976     /* no match found */
977     *status = U_ILLEGAL_ARGUMENT_ERROR;
978     return NULL;
979 }
980 
981 /*
982 //////////////////////////////////////
983 //
984 // POSIX --> LCID
985 // This should only be called from uloc_getLCID.
986 // The locale ID must be in canonical form.
987 // langID is separate so that this file doesn't depend on the uloc_* API.
988 //
989 /////////////////////////////////////
990 */
991 
992 U_CAPI uint32_t
uprv_convertToLCID(const char * langID,const char * posixID,UErrorCode * status)993 uprv_convertToLCID(const char *langID, const char* posixID, UErrorCode* status)
994 {
995 
996     uint32_t   low    = 0;
997     uint32_t   high   = gLocaleCount;
998     uint32_t   mid    = high;
999     uint32_t   oldmid = 0;
1000     int32_t    compVal;
1001 
1002     uint32_t   value         = 0;
1003     uint32_t   fallbackValue = (uint32_t)-1;
1004     UErrorCode myStatus;
1005     uint32_t   idx;
1006 
1007     /* Check for incomplete id. */
1008     if (!langID || !posixID || uprv_strlen(langID) < 2 || uprv_strlen(posixID) < 2) {
1009         return 0;
1010     }
1011 
1012     /*Binary search for the map entry for normal cases */
1013 
1014     while (high > low)  /*binary search*/{
1015 
1016         mid = (high+low) >> 1; /*Finds median*/
1017 
1018         if (mid == oldmid)
1019             break;
1020 
1021         compVal = uprv_strcmp(langID, gPosixIDmap[mid].regionMaps->posixID);
1022         if (compVal < 0){
1023             high = mid;
1024         }
1025         else if (compVal > 0){
1026             low = mid;
1027         }
1028         else /*we found it*/{
1029             return getHostID(&gPosixIDmap[mid], posixID, status);
1030         }
1031         oldmid = mid;
1032     }
1033 
1034     /*
1035      * Sometimes we can't do a binary search on posixID because some LCIDs
1036      * go to different locales.  We hit one of those special cases.
1037      */
1038     for (idx = 0; idx < gLocaleCount; idx++ ) {
1039         myStatus = U_ZERO_ERROR;
1040         value = getHostID(&gPosixIDmap[idx], posixID, &myStatus);
1041         if (myStatus == U_ZERO_ERROR) {
1042             return value;
1043         }
1044         else if (myStatus == U_USING_FALLBACK_WARNING) {
1045             fallbackValue = value;
1046         }
1047     }
1048 
1049     if (fallbackValue != (uint32_t)-1) {
1050         *status = U_USING_FALLBACK_WARNING;
1051         return fallbackValue;
1052     }
1053 
1054     /* no match found */
1055     *status = U_ILLEGAL_ARGUMENT_ERROR;
1056     return 0;   /* return international (root) */
1057 }
1058 
1059