1 /*
2 **********************************************************************
3 * Copyright (C) 1996-2010, 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 {0x2001, "ar_OM"},
142 {0x4001, "ar_QA"},
143 {0x0401, "ar_SA"},
144 {0x2801, "ar_SY"},
145 {0x1c01, "ar_TN"},
146 {0x2401, "ar_YE"}
147 };
148
149 ILCID_POSIX_ELEMENT_ARRAY(0x044d, as, as_IN)
150 ILCID_POSIX_ELEMENT_ARRAY(0x045e, am, am_ET)
151 ILCID_POSIX_ELEMENT_ARRAY(0x047a, arn,arn_CL)
152
ILCID_POSIX_SUBTABLE(az)153 ILCID_POSIX_SUBTABLE(az) {
154 {0x2c, "az"},
155 {0x082c, "az_Cyrl_AZ"}, /* Cyrillic based */
156 {0x742c, "az_Cyrl"}, /* Cyrillic based */
157 {0x042c, "az_Latn_AZ"}, /* Latin based */
158 {0x782c, "az_Latn"}, /* Latin based */
159 {0x042c, "az_AZ"} /* Latin based */
160 };
161
162 ILCID_POSIX_ELEMENT_ARRAY(0x046d, ba, ba_RU)
163 ILCID_POSIX_ELEMENT_ARRAY(0x0423, be, be_BY)
164
ILCID_POSIX_SUBTABLE(ber)165 ILCID_POSIX_SUBTABLE(ber) {
166 {0x5f, "ber"},
167 {0x045f, "ber_Arab_DZ"},
168 {0x045f, "ber_Arab"},
169 {0x085f, "ber_Latn_DZ"},
170 {0x085f, "ber_Latn"}
171 };
172
173 ILCID_POSIX_ELEMENT_ARRAY(0x0402, bg, bg_BG)
174
ILCID_POSIX_SUBTABLE(bn)175 ILCID_POSIX_SUBTABLE(bn) {
176 {0x45, "bn"},
177 {0x0845, "bn_BD"},
178 {0x0445, "bn_IN"}
179 };
180
ILCID_POSIX_SUBTABLE(bo)181 ILCID_POSIX_SUBTABLE(bo) {
182 {0x51, "bo"},
183 {0x0851, "bo_BT"},
184 {0x0451, "bo_CN"}
185 };
186
187 ILCID_POSIX_ELEMENT_ARRAY(0x047e, br, br_FR)
188 ILCID_POSIX_ELEMENT_ARRAY(0x0403, ca, ca_ES)
189 ILCID_POSIX_ELEMENT_ARRAY(0x0483, co, co_FR)
190 ILCID_POSIX_ELEMENT_ARRAY(0x045c, chr,chr_US)
191
192 /* Declared as cs_CZ to get around compiler errors on z/OS, which defines cs as a function */
193 ILCID_POSIX_ELEMENT_ARRAY(0x0405, cs, cs_CZ)
194
195 ILCID_POSIX_ELEMENT_ARRAY(0x0452, cy, cy_GB)
196 ILCID_POSIX_ELEMENT_ARRAY(0x0406, da, da_DK)
197
ILCID_POSIX_SUBTABLE(de)198 ILCID_POSIX_SUBTABLE(de) {
199 {0x07, "de"},
200 {0x0c07, "de_AT"},
201 {0x0807, "de_CH"},
202 {0x0407, "de_DE"},
203 {0x1407, "de_LI"},
204 {0x1007, "de_LU"},
205 {0x10407,"de_DE@collation=phonebook"}, /*This is really de_DE_PHONEBOOK on Windows*/
206 {0x10407,"de@collation=phonebook"} /*This is really de_DE_PHONEBOOK on Windows*/
207 };
208
209 ILCID_POSIX_ELEMENT_ARRAY(0x0465, dv, dv_MV)
210 ILCID_POSIX_ELEMENT_ARRAY(0x0408, el, el_GR)
211
ILCID_POSIX_SUBTABLE(en)212 ILCID_POSIX_SUBTABLE(en) {
213 {0x09, "en"},
214 {0x0c09, "en_AU"},
215 {0x2809, "en_BZ"},
216 {0x1009, "en_CA"},
217 {0x0809, "en_GB"},
218 {0x1809, "en_IE"},
219 {0x4009, "en_IN"},
220 {0x2009, "en_JM"},
221 {0x4409, "en_MY"},
222 {0x1409, "en_NZ"},
223 {0x3409, "en_PH"},
224 {0x4809, "en_SG"},
225 {0x2C09, "en_TT"},
226 {0x0409, "en_US"},
227 {0x007f, "en_US_POSIX"}, /* duplicate for roundtripping */
228 {0x2409, "en_VI"}, /* Virgin Islands AKA Caribbean Islands (en_CB). */
229 {0x1c09, "en_ZA"},
230 {0x3009, "en_ZW"},
231 {0x2409, "en_029"},
232 {0x0409, "en_AS"}, /* Alias for en_US. Leave last. */
233 {0x0409, "en_GU"}, /* Alias for en_US. Leave last. */
234 {0x0409, "en_MH"}, /* Alias for en_US. Leave last. */
235 {0x0409, "en_MP"}, /* Alias for en_US. Leave last. */
236 {0x0409, "en_UM"} /* Alias for en_US. Leave last. */
237 };
238
ILCID_POSIX_SUBTABLE(en_US_POSIX)239 ILCID_POSIX_SUBTABLE(en_US_POSIX) {
240 {0x007f, "en_US_POSIX"} /* duplicate for roundtripping */
241 };
242
ILCID_POSIX_SUBTABLE(es)243 ILCID_POSIX_SUBTABLE(es) {
244 {0x0a, "es"},
245 {0x2c0a, "es_AR"},
246 {0x400a, "es_BO"},
247 {0x340a, "es_CL"},
248 {0x240a, "es_CO"},
249 {0x140a, "es_CR"},
250 {0x1c0a, "es_DO"},
251 {0x300a, "es_EC"},
252 {0x0c0a, "es_ES"}, /*Modern sort.*/
253 {0x100a, "es_GT"},
254 {0x480a, "es_HN"},
255 {0x080a, "es_MX"},
256 {0x4c0a, "es_NI"},
257 {0x180a, "es_PA"},
258 {0x280a, "es_PE"},
259 {0x500a, "es_PR"},
260 {0x3c0a, "es_PY"},
261 {0x440a, "es_SV"},
262 {0x540a, "es_US"},
263 {0x380a, "es_UY"},
264 {0x200a, "es_VE"},
265 {0x040a, "es_ES@collation=traditional"},
266 {0x040a, "es@collation=traditional"}
267 };
268
269 ILCID_POSIX_ELEMENT_ARRAY(0x0425, et, et_EE)
270 ILCID_POSIX_ELEMENT_ARRAY(0x042d, eu, eu_ES)
271
272 /* ISO-639 doesn't distinguish between Persian and Dari.*/
ILCID_POSIX_SUBTABLE(fa)273 ILCID_POSIX_SUBTABLE(fa) {
274 {0x29, "fa"},
275 {0x0429, "fa_IR"}, /* Persian/Farsi (Iran) */
276 {0x048c, "fa_AF"} /* Persian/Dari (Afghanistan) */
277 };
278
279 /* duplicate for roundtripping */
ILCID_POSIX_SUBTABLE(fa_AF)280 ILCID_POSIX_SUBTABLE(fa_AF) {
281 {0x8c, "fa_AF"}, /* Persian/Dari (Afghanistan) */
282 {0x048c, "fa_AF"} /* Persian/Dari (Afghanistan) */
283 };
284
285 ILCID_POSIX_ELEMENT_ARRAY(0x040b, fi, fi_FI)
286 ILCID_POSIX_ELEMENT_ARRAY(0x0464, fil,fil_PH)
287 ILCID_POSIX_ELEMENT_ARRAY(0x0438, fo, fo_FO)
288
ILCID_POSIX_SUBTABLE(fr)289 ILCID_POSIX_SUBTABLE(fr) {
290 {0x0c, "fr"},
291 {0x080c, "fr_BE"},
292 {0x0c0c, "fr_CA"},
293 {0x240c, "fr_CD"},
294 {0x100c, "fr_CH"},
295 {0x300c, "fr_CI"},
296 {0x2c0c, "fr_CM"},
297 {0x040c, "fr_FR"},
298 {0x3c0c, "fr_HT"},
299 {0x140c, "fr_LU"},
300 {0x380c, "fr_MA"},
301 {0x180c, "fr_MC"},
302 {0x340c, "fr_ML"},
303 {0x200c, "fr_RE"},
304 {0x280c, "fr_SN"}
305 };
306
307 ILCID_POSIX_ELEMENT_ARRAY(0x0462, fy, fy_NL)
308
309 /* This LCID is really two different locales.*/
310 ILCID_POSIX_ELEMENT_ARRAY(0x083c, ga, ga_IE) /* Gaelic (Ireland) */
311 ILCID_POSIX_ELEMENT_ARRAY(0x0491, gd, gd_GB) /* Gaelic (Scotland) */
312
313 ILCID_POSIX_ELEMENT_ARRAY(0x0456, gl, gl_ES)
314 ILCID_POSIX_ELEMENT_ARRAY(0x0447, gu, gu_IN)
315 ILCID_POSIX_ELEMENT_ARRAY(0x0474, gn, gn_PY)
316 ILCID_POSIX_ELEMENT_ARRAY(0x0484, gsw,gsw_FR)
317
ILCID_POSIX_SUBTABLE(ha)318 ILCID_POSIX_SUBTABLE(ha) {
319 {0x68, "ha"},
320 {0x7c68, "ha_Latn"},
321 {0x0468, "ha_Latn_NG"},
322 };
323
324 ILCID_POSIX_ELEMENT_ARRAY(0x0475, haw,haw_US)
325 ILCID_POSIX_ELEMENT_ARRAY(0x040d, he, he_IL)
326 ILCID_POSIX_ELEMENT_ARRAY(0x0439, hi, hi_IN)
327
328 /* This LCID is really four different locales.*/
ILCID_POSIX_SUBTABLE(hr)329 ILCID_POSIX_SUBTABLE(hr) {
330 {0x1a, "hr"},
331 {0x141a, "bs_Latn_BA"}, /* Bosnian, Bosnia and Herzegovina */
332 {0x681a, "bs_Latn"}, /* Bosnian, Bosnia and Herzegovina */
333 {0x141a, "bs_BA"}, /* Bosnian, Bosnia and Herzegovina */
334 {0x781a, "bs"}, /* Bosnian */
335 {0x201a, "bs_Cyrl_BA"}, /* Bosnian, Bosnia and Herzegovina */
336 {0x641a, "bs_Cyrl"}, /* Bosnian, Bosnia and Herzegovina */
337 {0x101a, "hr_BA"}, /* Croatian in Bosnia */
338 {0x041a, "hr_HR"}, /* Croatian*/
339 {0x2c1a, "sr_Latn_ME"},
340 {0x241a, "sr_Latn_RS"},
341 {0x181a, "sr_Latn_BA"}, /* Serbo-Croatian in Bosnia */
342 {0x081a, "sr_Latn_CS"}, /* Serbo-Croatian*/
343 {0x701a, "sr_Latn"}, /* It's 0x1a or 0x081a, pick one to make the test program happy. */
344 {0x1c1a, "sr_Cyrl_BA"}, /* Serbo-Croatian in Bosnia */
345 {0x0c1a, "sr_Cyrl_CS"}, /* Serbian*/
346 {0x301a, "sr_Cyrl_ME"},
347 {0x281a, "sr_Cyrl_RS"},
348 {0x6c1a, "sr_Cyrl"}, /* It's 0x1a or 0x0c1a, pick one to make the test program happy. */
349 {0x7c1a, "sr"} /* In CLDR sr is sr_Cyrl. */
350 };
351
352 ILCID_POSIX_ELEMENT_ARRAY(0x040e, hu, hu_HU)
353 ILCID_POSIX_ELEMENT_ARRAY(0x042b, hy, hy_AM)
354 ILCID_POSIX_ELEMENT_ARRAY(0x0421, id, id_ID)
355 ILCID_POSIX_ELEMENT_ARRAY(0x0470, ig, ig_NG)
356 ILCID_POSIX_ELEMENT_ARRAY(0x0478, ii, ii_CN)
357 ILCID_POSIX_ELEMENT_ARRAY(0x040f, is, is_IS)
358
ILCID_POSIX_SUBTABLE(it)359 ILCID_POSIX_SUBTABLE(it) {
360 {0x10, "it"},
361 {0x0810, "it_CH"},
362 {0x0410, "it_IT"}
363 };
364
ILCID_POSIX_SUBTABLE(iu)365 ILCID_POSIX_SUBTABLE(iu) {
366 {0x5d, "iu"},
367 {0x045d, "iu_Cans_CA"},
368 {0x785d, "iu_Cans"},
369 {0x085d, "iu_Latn_CA"},
370 {0x7c5d, "iu_Latn"}
371 };
372
373 ILCID_POSIX_ELEMENT_ARRAY(0x040d, iw, iw_IL) /*Left in for compatibility*/
374 ILCID_POSIX_ELEMENT_ARRAY(0x0411, ja, ja_JP)
375 ILCID_POSIX_ELEMENT_ARRAY(0x0437, ka, ka_GE)
376 ILCID_POSIX_ELEMENT_ARRAY(0x043f, kk, kk_KZ)
377 ILCID_POSIX_ELEMENT_ARRAY(0x046f, kl, kl_GL)
378 ILCID_POSIX_ELEMENT_ARRAY(0x0453, km, km_KH)
379 ILCID_POSIX_ELEMENT_ARRAY(0x044b, kn, kn_IN)
380
ILCID_POSIX_SUBTABLE(ko)381 ILCID_POSIX_SUBTABLE(ko) {
382 {0x12, "ko"},
383 {0x0812, "ko_KP"},
384 {0x0412, "ko_KR"}
385 };
386
387 ILCID_POSIX_ELEMENT_ARRAY(0x0457, kok, kok_IN)
388 ILCID_POSIX_ELEMENT_ARRAY(0x0471, kr, kr_NG)
389
ILCID_POSIX_SUBTABLE(ks)390 ILCID_POSIX_SUBTABLE(ks) { /* We could add PK and CN too */
391 {0x60, "ks"},
392 {0x0860, "ks_IN"}, /* Documentation doesn't mention script */
393 {0x0460, "ks_Arab_IN"}
394 };
395
396 ILCID_POSIX_ELEMENT_ARRAY(0x0440, ky, ky_KG) /* Kyrgyz is spoken in Kyrgyzstan */
397 ILCID_POSIX_ELEMENT_ARRAY(0x0476, la, la_IT) /* TODO: Verify the country */
398 ILCID_POSIX_ELEMENT_ARRAY(0x046e, lb, lb_LU)
399 ILCID_POSIX_ELEMENT_ARRAY(0x0454, lo, lo_LA)
400 ILCID_POSIX_ELEMENT_ARRAY(0x0427, lt, lt_LT)
401 ILCID_POSIX_ELEMENT_ARRAY(0x0426, lv, lv_LV)
402 ILCID_POSIX_ELEMENT_ARRAY(0x0481, mi, mi_NZ)
403 ILCID_POSIX_ELEMENT_ARRAY(0x042f, mk, mk_MK)
404 ILCID_POSIX_ELEMENT_ARRAY(0x044c, ml, ml_IN)
405
ILCID_POSIX_SUBTABLE(mn)406 ILCID_POSIX_SUBTABLE(mn) {
407 {0x50, "mn"},
408 {0x0450, "mn_MN"},
409 {0x7c50, "mn_Mong"},
410 {0x0850, "mn_Mong_CN"},
411 {0x0850, "mn_CN"},
412 {0x7850, "mn_Cyrl"}
413 };
414
415 ILCID_POSIX_ELEMENT_ARRAY(0x0458, mni,mni_IN)
416 ILCID_POSIX_ELEMENT_ARRAY(0x047c, moh,moh_CA)
417 ILCID_POSIX_ELEMENT_ARRAY(0x044e, mr, mr_IN)
418
ILCID_POSIX_SUBTABLE(ms)419 ILCID_POSIX_SUBTABLE(ms) {
420 {0x3e, "ms"},
421 {0x083e, "ms_BN"}, /* Brunei Darussalam*/
422 {0x043e, "ms_MY"} /* Malaysia*/
423 };
424
425 ILCID_POSIX_ELEMENT_ARRAY(0x043a, mt, mt_MT)
426 ILCID_POSIX_ELEMENT_ARRAY(0x0455, my, my_MM)
427
ILCID_POSIX_SUBTABLE(ne)428 ILCID_POSIX_SUBTABLE(ne) {
429 {0x61, "ne"},
430 {0x0861, "ne_IN"}, /* India*/
431 {0x0461, "ne_NP"} /* Nepal*/
432 };
433
ILCID_POSIX_SUBTABLE(nl)434 ILCID_POSIX_SUBTABLE(nl) {
435 {0x13, "nl"},
436 {0x0813, "nl_BE"},
437 {0x0413, "nl_NL"}
438 };
439
440 /* The "no" locale split into nb and nn. By default in ICU, "no" is nb.*/
ILCID_POSIX_SUBTABLE(no)441 ILCID_POSIX_SUBTABLE(no) {
442 {0x14, "no"}, /* really nb_NO */
443 {0x7c14, "nb"}, /* really nb */
444 {0x0414, "nb_NO"}, /* really nb_NO. Keep first in the 414 list. */
445 {0x0414, "no_NO"}, /* really nb_NO */
446 {0x0814, "nn_NO"}, /* really nn_NO. Keep first in the 814 list. */
447 {0x7814, "nn"}, /* It's 0x14 or 0x814, pick one to make the test program happy. */
448 {0x0814, "no_NO_NY"}/* really nn_NO */
449 };
450
451 ILCID_POSIX_ELEMENT_ARRAY(0x046c, nso,nso_ZA) /* TODO: Verify the ISO-639 code */
452 ILCID_POSIX_ELEMENT_ARRAY(0x0482, oc, oc_FR)
453 ILCID_POSIX_ELEMENT_ARRAY(0x0472, om, om_ET) /* TODO: Verify the country */
454
455 /* Declared as or_IN to get around compiler errors*/
ILCID_POSIX_SUBTABLE(or_IN)456 ILCID_POSIX_SUBTABLE(or_IN) {
457 {0x48, "or"},
458 {0x0448, "or_IN"},
459 };
460
461
ILCID_POSIX_SUBTABLE(pa)462 ILCID_POSIX_SUBTABLE(pa) {
463 {0x46, "pa"},
464 {0x0446, "pa_IN"},
465 {0x0846, "pa_PK"}
466 };
467
468 ILCID_POSIX_ELEMENT_ARRAY(0x0415, pl, pl_PL)
469 ILCID_POSIX_ELEMENT_ARRAY(0x0463, ps, ps_AF)
470
ILCID_POSIX_SUBTABLE(pt)471 ILCID_POSIX_SUBTABLE(pt) {
472 {0x16, "pt"},
473 {0x0416, "pt_BR"},
474 {0x0816, "pt_PT"}
475 };
476
ILCID_POSIX_SUBTABLE(qu)477 ILCID_POSIX_SUBTABLE(qu) {
478 {0x6b, "qu"},
479 {0x046b, "qu_BO"},
480 {0x086b, "qu_EC"},
481 {0x0C6b, "qu_PE"}
482 };
483
484 ILCID_POSIX_ELEMENT_ARRAY(0x0486, qut, qut_GT) /* qut is an ISO-639-3 code */
485 ILCID_POSIX_ELEMENT_ARRAY(0x0417, rm, rm_CH)
486 ILCID_POSIX_ELEMENT_ARRAY(0x0418, ro, ro_RO)
487
ILCID_POSIX_SUBTABLE(root)488 ILCID_POSIX_SUBTABLE(root) {
489 {0x00, "root"}
490 };
491
492 ILCID_POSIX_ELEMENT_ARRAY(0x0419, ru, ru_RU)
493 ILCID_POSIX_ELEMENT_ARRAY(0x0487, rw, rw_RW)
494 ILCID_POSIX_ELEMENT_ARRAY(0x044f, sa, sa_IN)
495 ILCID_POSIX_ELEMENT_ARRAY(0x0485, sah,sah_RU)
496
ILCID_POSIX_SUBTABLE(sd)497 ILCID_POSIX_SUBTABLE(sd) {
498 {0x59, "sd"},
499 {0x0459, "sd_IN"},
500 {0x0859, "sd_PK"}
501 };
502
ILCID_POSIX_SUBTABLE(se)503 ILCID_POSIX_SUBTABLE(se) {
504 {0x3b, "se"},
505 {0x0c3b, "se_FI"},
506 {0x043b, "se_NO"},
507 {0x083b, "se_SE"},
508 {0x783b, "sma"},
509 {0x183b, "sma_NO"},
510 {0x1c3b, "sma_SE"},
511 {0x7c3b, "smj"},
512 {0x703b, "smn"},
513 {0x743b, "sms"},
514 {0x103b, "smj_NO"},
515 {0x143b, "smj_SE"},
516 {0x243b, "smn_FI"},
517 {0x203b, "sms_FI"},
518 };
519
520 ILCID_POSIX_ELEMENT_ARRAY(0x045b, si, si_LK)
521 ILCID_POSIX_ELEMENT_ARRAY(0x041b, sk, sk_SK)
522 ILCID_POSIX_ELEMENT_ARRAY(0x0424, sl, sl_SI)
523 ILCID_POSIX_ELEMENT_ARRAY(0x0477, so, so_ET) /* TODO: Verify the country */
524 ILCID_POSIX_ELEMENT_ARRAY(0x041c, sq, sq_AL)
525
ILCID_POSIX_SUBTABLE(sv)526 ILCID_POSIX_SUBTABLE(sv) {
527 {0x1d, "sv"},
528 {0x081d, "sv_FI"},
529 {0x041d, "sv_SE"}
530 };
531
532 ILCID_POSIX_ELEMENT_ARRAY(0x0441, sw, sw_KE)
533 ILCID_POSIX_ELEMENT_ARRAY(0x045A, syr, syr_SY)
534 ILCID_POSIX_ELEMENT_ARRAY(0x0449, ta, ta_IN)
535 ILCID_POSIX_ELEMENT_ARRAY(0x044a, te, te_IN)
536
537 /* Cyrillic based by default */
ILCID_POSIX_SUBTABLE(tg)538 ILCID_POSIX_SUBTABLE(tg) {
539 {0x28, "tg"},
540 {0x7c28, "tg_Cyrl"},
541 {0x0428, "tg_Cyrl_TJ"}
542 };
543
544 ILCID_POSIX_ELEMENT_ARRAY(0x041e, th, th_TH)
545
ILCID_POSIX_SUBTABLE(ti)546 ILCID_POSIX_SUBTABLE(ti) {
547 {0x73, "ti"},
548 {0x0873, "ti_ER"},
549 {0x0473, "ti_ET"}
550 };
551
552 ILCID_POSIX_ELEMENT_ARRAY(0x0442, tk, tk_TM)
553 ILCID_POSIX_ELEMENT_ARRAY(0x0432, tn, tn_BW)
554 ILCID_POSIX_ELEMENT_ARRAY(0x041f, tr, tr_TR)
555 ILCID_POSIX_ELEMENT_ARRAY(0x0444, tt, tt_RU)
556
ILCID_POSIX_SUBTABLE(tzm)557 ILCID_POSIX_SUBTABLE(tzm) {
558 {0x5f, "tzm"},
559 {0x7c5f, "tzm_Latn"},
560 {0x085f, "tzm_Latn_DZ"}
561 };
562
563 ILCID_POSIX_ELEMENT_ARRAY(0x0480, ug, ug_CN)
564 ILCID_POSIX_ELEMENT_ARRAY(0x0422, uk, uk_UA)
565
ILCID_POSIX_SUBTABLE(ur)566 ILCID_POSIX_SUBTABLE(ur) {
567 {0x20, "ur"},
568 {0x0820, "ur_IN"},
569 {0x0420, "ur_PK"}
570 };
571
ILCID_POSIX_SUBTABLE(uz)572 ILCID_POSIX_SUBTABLE(uz) {
573 {0x43, "uz"},
574 {0x0843, "uz_Cyrl_UZ"}, /* Cyrillic based */
575 {0x7843, "uz_Cyrl"}, /* Cyrillic based */
576 {0x0843, "uz_UZ"}, /* Cyrillic based */
577 {0x0443, "uz_Latn_UZ"}, /* Latin based */
578 {0x7c43, "uz_Latn"} /* Latin based */
579 };
580
581 ILCID_POSIX_ELEMENT_ARRAY(0x0433, ve, ve_ZA) /* TODO: Verify the country */
582 ILCID_POSIX_ELEMENT_ARRAY(0x042a, vi, vi_VN)
583
ILCID_POSIX_SUBTABLE(wen)584 ILCID_POSIX_SUBTABLE(wen) {
585 {0x2E, "wen"},
586 {0x042E, "wen_DE"},
587 {0x042E, "hsb_DE"},
588 {0x082E, "dsb_DE"},
589 {0x7C2E, "dsb"},
590 {0x2E, "hsb"}
591 };
592
593 ILCID_POSIX_ELEMENT_ARRAY(0x0488, wo, wo_SN)
594 ILCID_POSIX_ELEMENT_ARRAY(0x0434, xh, xh_ZA)
595 ILCID_POSIX_ELEMENT_ARRAY(0x046a, yo, yo_NG)
596
ILCID_POSIX_SUBTABLE(zh)597 ILCID_POSIX_SUBTABLE(zh) {
598 {0x0004, "zh_Hans"},
599 {0x7804, "zh"},
600 {0x0804, "zh_CN"},
601 {0x0804, "zh_Hans_CN"},
602 {0x0c04, "zh_Hant_HK"},
603 {0x0c04, "zh_HK"},
604 {0x1404, "zh_Hant_MO"},
605 {0x1404, "zh_MO"},
606 {0x1004, "zh_Hans_SG"},
607 {0x1004, "zh_SG"},
608 {0x0404, "zh_Hant_TW"},
609 {0x7c04, "zh_Hant"},
610 {0x0404, "zh_TW"},
611 {0x30404,"zh_Hant_TW"}, /* Bopomofo order */
612 {0x30404,"zh_TW"}, /* Bopomofo order */
613 {0x20404,"zh_Hant_TW@collation=stroke"},
614 {0x20404,"zh_TW@collation=stroke"},
615 {0x20804,"zh_Hans_CN@collation=stroke"},
616 {0x20804,"zh_CN@collation=stroke"}
617 };
618
619 ILCID_POSIX_ELEMENT_ARRAY(0x0435, zu, zu_ZA)
620
621 /* This must be static and grouped by LCID. */
622
623 /* non-existent ISO-639-2 codes */
624 /*
625 0x466 Edo
626 0x467 Fulfulde - Nigeria
627 0x486 K'iche - Guatemala
628 0x430 Sutu
629 */
630 static const ILcidPosixMap gPosixIDmap[] = {
631 ILCID_POSIX_MAP(af), /* af Afrikaans 0x36 */
632 ILCID_POSIX_MAP(am), /* am Amharic 0x5e */
633 ILCID_POSIX_MAP(ar), /* ar Arabic 0x01 */
634 ILCID_POSIX_MAP(arn), /* arn Araucanian/Mapudungun 0x7a */
635 ILCID_POSIX_MAP(as), /* as Assamese 0x4d */
636 ILCID_POSIX_MAP(az), /* az Azerbaijani 0x2c */
637 ILCID_POSIX_MAP(ba), /* ba Bashkir 0x6d */
638 ILCID_POSIX_MAP(be), /* be Belarusian 0x23 */
639 /* ILCID_POSIX_MAP(ber), ber Berber/Tamazight 0x5f */
640 ILCID_POSIX_MAP(bg), /* bg Bulgarian 0x02 */
641 ILCID_POSIX_MAP(bn), /* bn Bengali; Bangla 0x45 */
642 ILCID_POSIX_MAP(bo), /* bo Tibetan 0x51 */
643 ILCID_POSIX_MAP(br), /* br Breton 0x7e */
644 ILCID_POSIX_MAP(ca), /* ca Catalan 0x03 */
645 ILCID_POSIX_MAP(chr), /* chr Cherokee 0x5c */
646 ILCID_POSIX_MAP(co), /* co Corsican 0x83 */
647 ILCID_POSIX_MAP(cs), /* cs Czech 0x05 */
648 ILCID_POSIX_MAP(cy), /* cy Welsh 0x52 */
649 ILCID_POSIX_MAP(da), /* da Danish 0x06 */
650 ILCID_POSIX_MAP(de), /* de German 0x07 */
651 ILCID_POSIX_MAP(dv), /* dv Divehi 0x65 */
652 ILCID_POSIX_MAP(el), /* el Greek 0x08 */
653 ILCID_POSIX_MAP(en), /* en English 0x09 */
654 ILCID_POSIX_MAP(en_US_POSIX), /* invariant 0x7f */
655 ILCID_POSIX_MAP(es), /* es Spanish 0x0a */
656 ILCID_POSIX_MAP(et), /* et Estonian 0x25 */
657 ILCID_POSIX_MAP(eu), /* eu Basque 0x2d */
658 ILCID_POSIX_MAP(fa), /* fa Persian/Farsi 0x29 */
659 ILCID_POSIX_MAP(fa_AF), /* fa Persian/Dari 0x8c */
660 ILCID_POSIX_MAP(fi), /* fi Finnish 0x0b */
661 ILCID_POSIX_MAP(fil), /* fil Filipino 0x64 */
662 ILCID_POSIX_MAP(fo), /* fo Faroese 0x38 */
663 ILCID_POSIX_MAP(fr), /* fr French 0x0c */
664 ILCID_POSIX_MAP(fy), /* fy Frisian 0x62 */
665 ILCID_POSIX_MAP(ga), /* * Gaelic (Ireland,Scotland) 0x3c */
666 ILCID_POSIX_MAP(gd), /* gd Gaelic (United Kingdom) 0x91 */
667 ILCID_POSIX_MAP(gl), /* gl Galician 0x56 */
668 ILCID_POSIX_MAP(gn), /* gn Guarani 0x74 */
669 ILCID_POSIX_MAP(gsw), /* gsw Alemanic/Alsatian/Swiss German 0x84 */
670 ILCID_POSIX_MAP(gu), /* gu Gujarati 0x47 */
671 ILCID_POSIX_MAP(ha), /* ha Hausa 0x68 */
672 ILCID_POSIX_MAP(haw), /* haw Hawaiian 0x75 */
673 ILCID_POSIX_MAP(he), /* he Hebrew (formerly iw) 0x0d */
674 ILCID_POSIX_MAP(hi), /* hi Hindi 0x39 */
675 ILCID_POSIX_MAP(hr), /* * Croatian and others 0x1a */
676 ILCID_POSIX_MAP(hu), /* hu Hungarian 0x0e */
677 ILCID_POSIX_MAP(hy), /* hy Armenian 0x2b */
678 ILCID_POSIX_MAP(id), /* id Indonesian (formerly in) 0x21 */
679 ILCID_POSIX_MAP(ig), /* ig Igbo 0x70 */
680 ILCID_POSIX_MAP(ii), /* ii Sichuan Yi 0x78 */
681 ILCID_POSIX_MAP(is), /* is Icelandic 0x0f */
682 ILCID_POSIX_MAP(it), /* it Italian 0x10 */
683 ILCID_POSIX_MAP(iu), /* iu Inuktitut 0x5d */
684 ILCID_POSIX_MAP(iw), /* iw Hebrew 0x0d */
685 ILCID_POSIX_MAP(ja), /* ja Japanese 0x11 */
686 ILCID_POSIX_MAP(ka), /* ka Georgian 0x37 */
687 ILCID_POSIX_MAP(kk), /* kk Kazakh 0x3f */
688 ILCID_POSIX_MAP(kl), /* kl Kalaallisut 0x6f */
689 ILCID_POSIX_MAP(km), /* km Khmer 0x53 */
690 ILCID_POSIX_MAP(kn), /* kn Kannada 0x4b */
691 ILCID_POSIX_MAP(ko), /* ko Korean 0x12 */
692 ILCID_POSIX_MAP(kok), /* kok Konkani 0x57 */
693 ILCID_POSIX_MAP(kr), /* kr Kanuri 0x71 */
694 ILCID_POSIX_MAP(ks), /* ks Kashmiri 0x60 */
695 ILCID_POSIX_MAP(ky), /* ky Kyrgyz 0x40 */
696 ILCID_POSIX_MAP(lb), /* lb Luxembourgish 0x6e */
697 ILCID_POSIX_MAP(la), /* la Latin 0x76 */
698 ILCID_POSIX_MAP(lo), /* lo Lao 0x54 */
699 ILCID_POSIX_MAP(lt), /* lt Lithuanian 0x27 */
700 ILCID_POSIX_MAP(lv), /* lv Latvian, Lettish 0x26 */
701 ILCID_POSIX_MAP(mi), /* mi Maori 0x81 */
702 ILCID_POSIX_MAP(mk), /* mk Macedonian 0x2f */
703 ILCID_POSIX_MAP(ml), /* ml Malayalam 0x4c */
704 ILCID_POSIX_MAP(mn), /* mn Mongolian 0x50 */
705 ILCID_POSIX_MAP(mni), /* mni Manipuri 0x58 */
706 ILCID_POSIX_MAP(moh), /* moh Mohawk 0x7c */
707 ILCID_POSIX_MAP(mr), /* mr Marathi 0x4e */
708 ILCID_POSIX_MAP(ms), /* ms Malay 0x3e */
709 ILCID_POSIX_MAP(mt), /* mt Maltese 0x3a */
710 ILCID_POSIX_MAP(my), /* my Burmese 0x55 */
711 /* ILCID_POSIX_MAP(nb), // no Norwegian 0x14 */
712 ILCID_POSIX_MAP(ne), /* ne Nepali 0x61 */
713 ILCID_POSIX_MAP(nl), /* nl Dutch 0x13 */
714 /* ILCID_POSIX_MAP(nn), // no Norwegian 0x14 */
715 ILCID_POSIX_MAP(no), /* * Norwegian 0x14 */
716 ILCID_POSIX_MAP(nso), /* nso Sotho, Northern (Sepedi dialect) 0x6c */
717 ILCID_POSIX_MAP(oc), /* oc Occitan 0x82 */
718 ILCID_POSIX_MAP(om), /* om Oromo 0x72 */
719 ILCID_POSIX_MAP(or_IN), /* or Oriya 0x48 */
720 ILCID_POSIX_MAP(pa), /* pa Punjabi 0x46 */
721 ILCID_POSIX_MAP(pl), /* pl Polish 0x15 */
722 ILCID_POSIX_MAP(ps), /* ps Pashto 0x63 */
723 ILCID_POSIX_MAP(pt), /* pt Portuguese 0x16 */
724 ILCID_POSIX_MAP(qu), /* qu Quechua 0x6B */
725 ILCID_POSIX_MAP(qut), /* qut K'iche 0x86 */
726 ILCID_POSIX_MAP(rm), /* rm Raeto-Romance/Romansh 0x17 */
727 ILCID_POSIX_MAP(ro), /* ro Romanian 0x18 */
728 ILCID_POSIX_MAP(root), /* root 0x00 */
729 ILCID_POSIX_MAP(ru), /* ru Russian 0x19 */
730 ILCID_POSIX_MAP(rw), /* rw Kinyarwanda 0x87 */
731 ILCID_POSIX_MAP(sa), /* sa Sanskrit 0x4f */
732 ILCID_POSIX_MAP(sah), /* sah Yakut 0x85 */
733 ILCID_POSIX_MAP(sd), /* sd Sindhi 0x59 */
734 ILCID_POSIX_MAP(se), /* se Sami 0x3b */
735 /* ILCID_POSIX_MAP(sh), // sh Serbo-Croatian 0x1a */
736 ILCID_POSIX_MAP(si), /* si Sinhalese 0x5b */
737 ILCID_POSIX_MAP(sk), /* sk Slovak 0x1b */
738 ILCID_POSIX_MAP(sl), /* sl Slovenian 0x24 */
739 ILCID_POSIX_MAP(so), /* so Somali 0x77 */
740 ILCID_POSIX_MAP(sq), /* sq Albanian 0x1c */
741 /* ILCID_POSIX_MAP(sr), // sr Serbian 0x1a */
742 ILCID_POSIX_MAP(sv), /* sv Swedish 0x1d */
743 ILCID_POSIX_MAP(sw), /* sw Swahili 0x41 */
744 ILCID_POSIX_MAP(syr), /* syr Syriac 0x5A */
745 ILCID_POSIX_MAP(ta), /* ta Tamil 0x49 */
746 ILCID_POSIX_MAP(te), /* te Telugu 0x4a */
747 ILCID_POSIX_MAP(tg), /* tg Tajik 0x28 */
748 ILCID_POSIX_MAP(th), /* th Thai 0x1e */
749 ILCID_POSIX_MAP(ti), /* ti Tigrigna 0x73 */
750 ILCID_POSIX_MAP(tk), /* tk Turkmen 0x42 */
751 ILCID_POSIX_MAP(tn), /* tn Tswana 0x32 */
752 ILCID_POSIX_MAP(tr), /* tr Turkish 0x1f */
753 ILCID_POSIX_MAP(tt), /* tt Tatar 0x44 */
754 ILCID_POSIX_MAP(tzm), /* tzm 0x5f */
755 ILCID_POSIX_MAP(ug), /* ug Uighur 0x80 */
756 ILCID_POSIX_MAP(uk), /* uk Ukrainian 0x22 */
757 ILCID_POSIX_MAP(ur), /* ur Urdu 0x20 */
758 ILCID_POSIX_MAP(uz), /* uz Uzbek 0x43 */
759 ILCID_POSIX_MAP(ve), /* ve Venda 0x33 */
760 ILCID_POSIX_MAP(vi), /* vi Vietnamese 0x2a */
761 ILCID_POSIX_MAP(wen), /* wen Sorbian 0x2e */
762 ILCID_POSIX_MAP(wo), /* wo Wolof 0x88 */
763 ILCID_POSIX_MAP(xh), /* xh Xhosa 0x34 */
764 ILCID_POSIX_MAP(yo), /* yo Yoruba 0x6a */
765 ILCID_POSIX_MAP(zh), /* zh Chinese 0x04 */
766 ILCID_POSIX_MAP(zu), /* zu Zulu 0x35 */
767 };
768
769 static const uint32_t gLocaleCount = sizeof(gPosixIDmap)/sizeof(ILcidPosixMap);
770
771 /**
772 * Do not call this function. It is called by hostID.
773 * The function is not private because this struct must stay as a C struct,
774 * and this is an internal class.
775 */
776 static int32_t
idCmp(const char * id1,const char * id2)777 idCmp(const char* id1, const char* id2)
778 {
779 int32_t diffIdx = 0;
780 while (*id1 == *id2 && *id1 != 0) {
781 diffIdx++;
782 id1++;
783 id2++;
784 }
785 return diffIdx;
786 }
787
788 /**
789 * Searches for a Windows LCID
790 *
791 * @param posixid the Posix style locale id.
792 * @param status gets set to U_ILLEGAL_ARGUMENT_ERROR when the Posix ID has
793 * no equivalent Windows LCID.
794 * @return the LCID
795 */
796 static uint32_t
getHostID(const ILcidPosixMap * this_0,const char * posixID,UErrorCode * status)797 getHostID(const ILcidPosixMap *this_0, const char* posixID, UErrorCode* status)
798 {
799 int32_t bestIdx = 0;
800 int32_t bestIdxDiff = 0;
801 int32_t posixIDlen = (int32_t)uprv_strlen(posixID);
802 uint32_t idx;
803
804 for (idx = 0; idx < this_0->numRegions; idx++ ) {
805 int32_t sameChars = idCmp(posixID, this_0->regionMaps[idx].posixID);
806 if (sameChars > bestIdxDiff && this_0->regionMaps[idx].posixID[sameChars] == 0) {
807 if (posixIDlen == sameChars) {
808 /* Exact match */
809 return this_0->regionMaps[idx].hostID;
810 }
811 bestIdxDiff = sameChars;
812 bestIdx = idx;
813 }
814 }
815 /* We asked for something unusual, like en_ZZ, and we try to return the number for the same language. */
816 /* We also have to make sure that sid and si and similar string subsets don't match. */
817 if ((posixID[bestIdxDiff] == '_' || posixID[bestIdxDiff] == '@')
818 && this_0->regionMaps[bestIdx].posixID[bestIdxDiff] == 0)
819 {
820 *status = U_USING_FALLBACK_WARNING;
821 return this_0->regionMaps[bestIdx].hostID;
822 }
823
824 /*no match found */
825 *status = U_ILLEGAL_ARGUMENT_ERROR;
826 return this_0->regionMaps->hostID;
827 }
828
829 static const char*
getPosixID(const ILcidPosixMap * this_0,uint32_t hostID)830 getPosixID(const ILcidPosixMap *this_0, uint32_t hostID)
831 {
832 uint32_t i;
833 for (i = 0; i <= this_0->numRegions; i++)
834 {
835 if (this_0->regionMaps[i].hostID == hostID)
836 {
837 return this_0->regionMaps[i].posixID;
838 }
839 }
840
841 /* If you get here, then no matching region was found,
842 so return the language id with the wild card region. */
843 return this_0->regionMaps[0].posixID;
844 }
845
846 /*
847 //////////////////////////////////////
848 //
849 // LCID --> POSIX
850 //
851 /////////////////////////////////////
852 */
853 #ifdef USE_WINDOWS_LOCALE_API
854 /*
855 * Change the tag separator from '-' to '_'
856 */
857 #define FIX_LOCALE_ID_TAG_SEPARATOR(buffer, len, i) \
858 for(i = 0; i < len; i++) \
859 if (buffer[i] == '-') buffer[i] = '_';
860
861 /*
862 * Various language tags needs to be changed:
863 * quz -> qu
864 * prs -> fa
865 */
866 #define FIX_LANGUAGE_ID_TAG(buffer, len) \
867 if (len >= 3) { \
868 if (buffer[0] == 'q' && buffer[1] == 'u' && buffer[2] == 'z') {\
869 buffer[2] = 0; \
870 uprv_strcat(buffer, buffer+3); \
871 } else if (buffer[0] == 'p' && buffer[1] == 'r' && buffer[2] == 's') {\
872 buffer[0] = 'f'; buffer[1] = 'a'; buffer[2] = 0; \
873 uprv_strcat(buffer, buffer+3); \
874 } \
875 }
876
877 static char gPosixFromLCID[ULOC_FULLNAME_CAPACITY];
878 #endif
879 U_CAPI const char *
uprv_convertToPosix(uint32_t hostid,UErrorCode * status)880 uprv_convertToPosix(uint32_t hostid, UErrorCode* status)
881 {
882 uint16_t langID;
883 uint32_t localeIndex;
884 #ifdef USE_WINDOWS_LOCALE_API
885 int32_t ret = 0;
886
887 uprv_memset(gPosixFromLCID, 0, sizeof(gPosixFromLCID));
888
889 ret = GetLocaleInfoA(hostid, LOCALE_SNAME, (LPSTR)gPosixFromLCID, sizeof(gPosixFromLCID));
890 if (ret > 1) {
891 FIX_LOCALE_ID_TAG_SEPARATOR(gPosixFromLCID, ret, localeIndex)
892 FIX_LANGUAGE_ID_TAG(gPosixFromLCID, ret)
893
894 return gPosixFromLCID;
895 }
896 #endif
897 langID = LANGUAGE_LCID(hostid);
898
899 for (localeIndex = 0; localeIndex < gLocaleCount; localeIndex++)
900 {
901 if (langID == gPosixIDmap[localeIndex].regionMaps->hostID)
902 {
903 return getPosixID(&gPosixIDmap[localeIndex], hostid);
904 }
905 }
906
907 /* no match found */
908 *status = U_ILLEGAL_ARGUMENT_ERROR;
909 return NULL;
910 }
911
912 /*
913 //////////////////////////////////////
914 //
915 // POSIX --> LCID
916 // This should only be called from uloc_getLCID.
917 // The locale ID must be in canonical form.
918 // langID is separate so that this file doesn't depend on the uloc_* API.
919 //
920 /////////////////////////////////////
921 */
922
923 U_CAPI uint32_t
uprv_convertToLCID(const char * langID,const char * posixID,UErrorCode * status)924 uprv_convertToLCID(const char *langID, const char* posixID, UErrorCode* status)
925 {
926
927 uint32_t low = 0;
928 uint32_t high = gLocaleCount;
929 uint32_t mid = high;
930 uint32_t oldmid = 0;
931 int32_t compVal;
932
933 uint32_t value = 0;
934 uint32_t fallbackValue = (uint32_t)-1;
935 UErrorCode myStatus;
936 uint32_t idx;
937
938 /* Check for incomplete id. */
939 if (!langID || !posixID || uprv_strlen(langID) < 2 || uprv_strlen(posixID) < 2) {
940 return 0;
941 }
942
943 /*Binary search for the map entry for normal cases */
944
945 while (high > low) /*binary search*/{
946
947 mid = (high+low) >> 1; /*Finds median*/
948
949 if (mid == oldmid)
950 break;
951
952 compVal = uprv_strcmp(langID, gPosixIDmap[mid].regionMaps->posixID);
953 if (compVal < 0){
954 high = mid;
955 }
956 else if (compVal > 0){
957 low = mid;
958 }
959 else /*we found it*/{
960 return getHostID(&gPosixIDmap[mid], posixID, status);
961 }
962 oldmid = mid;
963 }
964
965 /*
966 * Sometimes we can't do a binary search on posixID because some LCIDs
967 * go to different locales. We hit one of those special cases.
968 */
969 for (idx = 0; idx < gLocaleCount; idx++ ) {
970 myStatus = U_ZERO_ERROR;
971 value = getHostID(&gPosixIDmap[idx], posixID, &myStatus);
972 if (myStatus == U_ZERO_ERROR) {
973 return value;
974 }
975 else if (myStatus == U_USING_FALLBACK_WARNING) {
976 fallbackValue = value;
977 }
978 }
979
980 if (fallbackValue != (uint32_t)-1) {
981 *status = U_USING_FALLBACK_WARNING;
982 return fallbackValue;
983 }
984
985 /* no match found */
986 *status = U_ILLEGAL_ARGUMENT_ERROR;
987 return 0; /* return international (root) */
988 }
989
990