2 * msvcrt.dll locale functions
4 * Copyright 2000 Jon Griffiths
9 DEFAULT_DEBUG_CHANNEL(msvcrt);
11 /* FIXME: Need to hold locale for each LC_* type and aggregate
12 * string to produce lc_all.
14 #define MAX_ELEM_LEN 64 /* Max length of country/language/CP string */
15 #define MAX_LOCALE_LENGTH 256
16 char MSVCRT_current_lc_all[MAX_LOCALE_LENGTH];
17 LCID MSVCRT_current_lc_all_lcid;
18 int MSVCRT_current_lc_all_cp;
21 extern CRITICAL_SECTION MSVCRT_locale_cs;
22 #define LOCK_LOCALE EnterCriticalSection(&MSVCRT_locale_cs)
23 #define UNLOCK_LOCALE LeaveCriticalSection(&MSVCRT_locale_cs)
25 /* ctype data modified when the locale changes */
26 extern WORD MSVCRT__ctype [257];
27 extern WORD MSVCRT_current_ctype[257];
28 extern WORD* MSVCRT__pctype;
30 /* mbctype data modified when the locale changes */
31 extern int MSVCRT___mb_cur_max;
32 extern unsigned char MSVCRT_mbctype[257];
34 #define MSVCRT_LEADBYTE 0x8000
37 #define MSVCRT_LC_ALL 0
38 #define MSVCRT_LC_COLLATE 1
39 #define MSVCRT_LC_CTYPE 2
40 #define MSVCRT_LC_MONETARY 3
41 #define MSVCRT_LC_NUMERIC 4
42 #define MSVCRT_LC_TIME 5
43 #define MSVCRT_LC_MIN MSVCRT_LC_ALL
44 #define MSVCRT_LC_MAX MSVCRT_LC_TIME
46 /* Friendly country strings & iso codes for synonym support.
47 * Based on MS documentation for setlocale().
49 static const char* _country_synonyms[] =
57 "United Kingdom","GB",
58 "United-Kingdom","GB",
67 /* INTERNAL: Map a synonym to an ISO code */
68 static void remap_synonym(char *name)
71 for (i = 0; i < sizeof(_country_synonyms)/sizeof(char*); i += 2 )
73 if (!strcasecmp(_country_synonyms[i],name))
75 TRACE(":Mapping synonym %s to %s\n",name,_country_synonyms[i+1]);
76 name[0] = _country_synonyms[i+1][0];
77 name[1] = _country_synonyms[i+1][1];
84 /* Note: Flags are weighted in order of matching importance */
85 #define FOUND_LANGUAGE 0x4
86 #define FOUND_COUNTRY 0x2
87 #define FOUND_CODEPAGE 0x1
90 char search_language[MAX_ELEM_LEN];
91 char search_country[MAX_ELEM_LEN];
92 char search_codepage[MAX_ELEM_LEN];
93 char found_language[MAX_ELEM_LEN];
94 char found_country[MAX_ELEM_LEN];
95 char found_codepage[MAX_ELEM_LEN];
96 unsigned int match_flags;
100 #define CONTINUE_LOOKING TRUE
101 #define STOP_LOOKING FALSE
103 /* INTERNAL: Get and compare locale info with a given string */
104 static int compare_info(LCID lcid, DWORD flags, char* buff, const char* cmp)
107 GetLocaleInfoA(lcid, flags|LOCALE_NOUSEROVERRIDE,buff, MAX_ELEM_LEN);
108 if (!buff[0] || !cmp[0])
110 /* Partial matches are allowed, e.g. "Germ" matches "Germany" */
111 return !strncasecmp(cmp, buff, strlen(cmp));
115 /* INTERNAL: Callback for enumerated languages */
117 #define UNUSED __attribute__((unused))
123 find_best_locale_proc(HMODULE hModule UNUSED, LPCSTR type UNUSED,
124 LPCSTR name UNUSED, WORD LangID, LONG lParam)
126 locale_search_t *res = (locale_search_t *)lParam;
127 const LCID lcid = MAKELCID(LangID, SORT_DEFAULT);
128 char buff[MAX_ELEM_LEN];
129 unsigned int flags = 0;
131 if(PRIMARYLANGID(LangID) == LANG_NEUTRAL)
132 return CONTINUE_LOOKING;
135 if (compare_info(lcid,LOCALE_SISO639LANGNAME,buff,res->search_language) ||
136 compare_info(lcid,LOCALE_SABBREVLANGNAME,buff,res->search_language) ||
137 compare_info(lcid,LOCALE_SENGLANGUAGE,buff,res->search_language))
139 TRACE(":Found language: %s->%s\n", res->search_language, buff);
140 flags |= FOUND_LANGUAGE;
141 memcpy(res->found_language,res->search_language,MAX_ELEM_LEN);
143 else if (res->match_flags & FOUND_LANGUAGE)
145 return CONTINUE_LOOKING;
149 if (compare_info(lcid,LOCALE_SISO3166CTRYNAME,buff,res->search_country) ||
150 compare_info(lcid,LOCALE_SABBREVCTRYNAME,buff,res->search_country) ||
151 compare_info(lcid,LOCALE_SENGCOUNTRY,buff,res->search_country))
153 TRACE("Found country:%s->%s\n", res->search_country, buff);
154 flags |= FOUND_COUNTRY;
155 memcpy(res->found_country,res->search_country,MAX_ELEM_LEN);
157 else if (res->match_flags & FOUND_COUNTRY)
159 return CONTINUE_LOOKING;
163 if (compare_info(lcid,LOCALE_IDEFAULTCODEPAGE,buff,res->search_codepage) ||
164 (compare_info(lcid,LOCALE_IDEFAULTANSICODEPAGE,buff,res->search_codepage)))
166 TRACE("Found codepage:%s->%s\n", res->search_codepage, buff);
167 flags |= FOUND_CODEPAGE;
168 memcpy(res->found_codepage,res->search_codepage,MAX_ELEM_LEN);
170 else if (res->match_flags & FOUND_CODEPAGE)
172 return CONTINUE_LOOKING;
175 if (flags > res->match_flags)
177 /* Found a better match than previously */
178 res->match_flags = flags;
179 res->found_lang_id = LangID;
181 if (flags & (FOUND_LANGUAGE & FOUND_COUNTRY & FOUND_CODEPAGE))
183 TRACE(":found exact locale match\n");
186 return CONTINUE_LOOKING;
189 extern int atoi(const char *);
191 /* Internal: Find the LCID for a locale specification */
192 static LCID MSVCRT_locale_to_LCID(locale_search_t* locale)
195 EnumResourceLanguagesA(GetModuleHandleA("KERNEL32"), RT_STRINGA,
196 (LPCSTR)LOCALE_ILANGUAGE,find_best_locale_proc,
199 if (!locale->match_flags)
202 /* If we were given something that didn't match, fail */
203 if (locale->search_country[0] && !(locale->match_flags & FOUND_COUNTRY))
206 lcid = MAKELCID(locale->found_lang_id, SORT_DEFAULT);
208 /* Populate partial locale, translating LCID to locale string elements */
209 if (!locale->found_codepage[0])
211 /* Even if a codepage is not enumerated for a locale
212 * it can be set if valid */
213 if (locale->search_codepage[0])
215 if (IsValidCodePage(atoi(locale->search_codepage)))
216 memcpy(locale->found_codepage,locale->search_codepage,MAX_ELEM_LEN);
219 /* Special codepage values: OEM & ANSI */
220 if (strcasecmp(locale->search_codepage,"OCP"))
222 GetLocaleInfoA(lcid, LOCALE_IDEFAULTCODEPAGE,
223 locale->found_codepage, MAX_ELEM_LEN);
225 if (strcasecmp(locale->search_codepage,"ACP"))
227 GetLocaleInfoA(lcid, LOCALE_IDEFAULTANSICODEPAGE,
228 locale->found_codepage, MAX_ELEM_LEN);
233 if (!atoi(locale->found_codepage))
239 /* Prefer ANSI codepages if present */
240 GetLocaleInfoA(lcid, LOCALE_IDEFAULTANSICODEPAGE,
241 locale->found_codepage, MAX_ELEM_LEN);
242 if (!locale->found_codepage[0] || !atoi(locale->found_codepage))
243 GetLocaleInfoA(lcid, LOCALE_IDEFAULTCODEPAGE,
244 locale->found_codepage, MAX_ELEM_LEN);
247 GetLocaleInfoA(lcid, LOCALE_SENGLANGUAGE|LOCALE_NOUSEROVERRIDE,
248 locale->found_language, MAX_ELEM_LEN);
249 GetLocaleInfoA(lcid, LOCALE_SENGCOUNTRY|LOCALE_NOUSEROVERRIDE,
250 locale->found_country, MAX_ELEM_LEN);
254 extern int snprintf(char *, int, const char *, ...);
256 /* INTERNAL: Set ctype behaviour for a codepage */
257 static void MSVCRT_set_ctype(unsigned int codepage, LCID lcid)
261 memset(&cp, 0, sizeof(CPINFO));
263 if (GetCPInfo(codepage, &cp))
267 unsigned char *traverse = (unsigned char *)cp.LeadByte;
269 memset(MSVCRT_current_ctype, 0, sizeof(MSVCRT__ctype));
270 MSVCRT_current_lc_all_cp = codepage;
272 /* Switch ctype macros to MBCS if needed */
273 MSVCRT___mb_cur_max = cp.MaxCharSize;
275 /* Set remaining ctype flags: FIXME: faster way to do this? */
277 for (i = 0; i < 256; i++)
279 if (!(MSVCRT__pctype[i] & MSVCRT_LEADBYTE))
282 GetStringTypeA(lcid, CT_CTYPE1, str, 1, MSVCRT__pctype + i);
286 /* Set leadbyte flags */
287 while (traverse[0] || traverse[1])
289 for( i = traverse[0]; i <= traverse[1]; i++ )
290 MSVCRT_current_ctype[i+1] |= MSVCRT_LEADBYTE;
297 /*********************************************************************
298 * setlocale (MSVCRT.@)
300 char *__cdecl MSVCRT_setlocale(int category, const char *locale)
304 int haveLang, haveCountry, haveCP;
308 TRACE("(%d %s)\n",category,locale);
310 if (category < MSVCRT_LC_MIN || category > MSVCRT_LC_MAX)
315 /* Report the current Locale */
316 return MSVCRT_current_lc_all;
321 if (locale[0] == 'L' && locale[1] == 'C' && locale[2] == '_')
323 FIXME(":restore previous locale not implemented!\n");
324 /* FIXME: Easiest way to do this is parse the string and
325 * call this function recursively with its elements,
326 * Where they differ for each lc_ type.
329 return MSVCRT_current_lc_all;
332 /* Default Locale: Special case handling */
333 if (!strlen(locale) || ((toupper(locale[0]) == 'C') && !locale[1]))
335 MSVCRT_current_lc_all[0] = 'C';
336 MSVCRT_current_lc_all[1] = '\0';
337 MSVCRT_current_lc_all_cp = GetACP();
341 lc_all = 1; /* Fall through all cases ... */
342 case MSVCRT_LC_COLLATE:
344 case MSVCRT_LC_CTYPE:
345 /* Restore C locale ctype info */
346 MSVCRT___mb_cur_max = 1;
347 memcpy(MSVCRT_current_ctype, MSVCRT__ctype, sizeof(MSVCRT__ctype));
348 memset(MSVCRT_mbctype, 0, sizeof(MSVCRT_mbctype));
350 case MSVCRT_LC_MONETARY:
352 case MSVCRT_LC_NUMERIC:
357 return MSVCRT_current_lc_all;
360 /* Get locale elements */
361 haveLang = haveCountry = haveCP = 0;
362 memset(&lc,0,sizeof(lc));
364 next = strchr(locale,'_');
365 if (next && next != locale)
368 strncpy(lc.search_language,locale,next-locale);
369 locale += next-locale+1;
372 next = strchr(locale,'.');
379 strncpy(lc.search_codepage, locale, MAX_ELEM_LEN);
386 strncpy(lc.search_country,locale,next-locale);
387 locale += next-locale+1;
392 strncpy(lc.search_language,locale,next-locale);
393 locale += next-locale+1;
395 strncpy(lc.search_codepage, locale, MAX_ELEM_LEN);
403 strncpy(lc.search_country, locale, MAX_ELEM_LEN);
408 strncpy(lc.search_language, locale, MAX_ELEM_LEN);
413 remap_synonym(lc.search_country);
415 if (haveCP && !haveCountry && !haveLang)
417 FIXME(":Codepage only locale not implemented");
418 /* FIXME: Use default lang/country and skip locale_to_LCID()
425 lcid = MSVCRT_locale_to_LCID(&lc);
427 TRACE(":found LCID %ld\n",lcid);
435 MSVCRT_current_lc_all_lcid = lcid;
437 snprintf(MSVCRT_current_lc_all,MAX_LOCALE_LENGTH,"%s_%s.%s",
438 lc.found_language,lc.found_country,lc.found_codepage);
442 lc_all = 1; /* Fall through all cases ... */
443 case MSVCRT_LC_COLLATE:
445 case MSVCRT_LC_CTYPE:
446 MSVCRT_set_ctype(atoi(lc.found_codepage),lcid);
448 case MSVCRT_LC_MONETARY:
450 case MSVCRT_LC_NUMERIC:
455 return MSVCRT_current_lc_all;
459 /*********************************************************************
460 * _Getdays (MSVCRT.@)
462 const char *__cdecl MSVCRT__Getdays(void)
464 static const char *MSVCRT_days = ":Sun:Sunday:Mon:Monday:Tue:Tuesday:Wed:"
465 "Wednesday:Thu:Thursday:Fri:Friday:Sat:Saturday";
466 /* FIXME: Use locale */
467 TRACE("(void) semi-stub");
471 /*********************************************************************
472 * _Getmonths (MSVCRT.@)
474 const char *__cdecl MSVCRT__Getmonths(void)
476 static const char *MSVCRT_months = ":Jan:January:Feb:February:Mar:March:Apr:"
477 "April:May:May:Jun:June:Jul:July:Aug:August:Sep:September:Oct:"
478 "October:Nov:November:Dec:December";
479 /* FIXME: Use locale */
480 TRACE("(void) semi-stub");
481 return MSVCRT_months;
484 /*********************************************************************
485 * _Getnames (MSVCRT.@)
487 const char *__cdecl MSVCRT__Getnames(void)
490 TRACE("(void) stub");
494 /*********************************************************************
495 * _Strftime (MSVCRT.@)
497 const char *__cdecl MSVCRT__Strftime(char *out, unsigned int len, const char *fmt,
498 const void *tm, void *foo)
501 TRACE("(%p %d %s %p %p) stub", out, len, fmt, tm, foo);
505 /* FIXME: MBCP probably belongs in mbcs.c */
507 /*********************************************************************
508 * _setmbcp (MSVCRT.@)
510 void __cdecl MSVCRT__setmbcp(int cp)
513 if (MSVCRT_current_lc_all_cp != cp)
515 /* FIXME: set ctype behaviour for this cp */
516 MSVCRT_current_lc_all_cp = cp;
521 /*********************************************************************
522 * _getmbcp (MSVCRT.@)
524 int __cdecl MSVCRT__getmbcp(void)
526 return MSVCRT_current_lc_all_cp;