2 * msvcrt.dll locale functions
4 * Copyright 2000 Jon Griffiths
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
34 #include "msvcrt/mbctype.h"
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
40 /* FIXME: Need to hold locale for each LC_* type and aggregate
41 * string to produce lc_all.
43 #define MAX_ELEM_LEN 64 /* Max length of country/language/CP string */
44 #define MAX_LOCALE_LENGTH 256
45 char MSVCRT_current_lc_all[MAX_LOCALE_LENGTH];
46 LCID MSVCRT_current_lc_all_lcid;
47 int msvcrt_current_lc_all_cp;
50 #define LOCK_LOCALE _mlock(_SETLOCALE_LOCK);
51 #define UNLOCK_LOCALE _munlock(_SETLOCALE_LOCK);
53 /* ctype data modified when the locale changes */
54 extern WORD MSVCRT__ctype [257];
55 extern WORD MSVCRT_current_ctype[257];
56 extern WORD* MSVCRT__pctype;
58 /* mbctype data modified when the locale changes */
59 extern int MSVCRT___mb_cur_max;
60 extern unsigned char MSVCRT_mbctype[257];
62 #define MSVCRT_LEADBYTE 0x8000
64 /* Friendly country strings & iso codes for synonym support.
65 * Based on MS documentation for setlocale().
67 static const char* _country_synonyms[] =
75 "United Kingdom","GB",
76 "United-Kingdom","GB",
85 /* INTERNAL: Map a synonym to an ISO code */
86 static void remap_synonym(char *name)
89 for (i = 0; i < sizeof(_country_synonyms)/sizeof(char*); i += 2 )
91 if (!strcasecmp(_country_synonyms[i],name))
93 TRACE(":Mapping synonym %s to %s\n",name,_country_synonyms[i+1]);
94 name[0] = _country_synonyms[i+1][0];
95 name[1] = _country_synonyms[i+1][1];
102 /* Note: Flags are weighted in order of matching importance */
103 #define FOUND_LANGUAGE 0x4
104 #define FOUND_COUNTRY 0x2
105 #define FOUND_CODEPAGE 0x1
108 char search_language[MAX_ELEM_LEN];
109 char search_country[MAX_ELEM_LEN];
110 char search_codepage[MAX_ELEM_LEN];
111 char found_language[MAX_ELEM_LEN];
112 char found_country[MAX_ELEM_LEN];
113 char found_codepage[MAX_ELEM_LEN];
114 unsigned int match_flags;
115 LANGID found_lang_id;
118 #define CONTINUE_LOOKING TRUE
119 #define STOP_LOOKING FALSE
121 /* INTERNAL: Get and compare locale info with a given string */
122 static int compare_info(LCID lcid, DWORD flags, char* buff, const char* cmp)
125 GetLocaleInfoA(lcid, flags|LOCALE_NOUSEROVERRIDE,buff, MAX_ELEM_LEN);
126 if (!buff[0] || !cmp[0])
128 /* Partial matches are allowed, e.g. "Germ" matches "Germany" */
129 return !strncasecmp(cmp, buff, strlen(cmp));
133 find_best_locale_proc(HMODULE hModule, LPCSTR type, LPCSTR name, WORD LangID, LONG_PTR lParam)
135 locale_search_t *res = (locale_search_t *)lParam;
136 const LCID lcid = MAKELCID(LangID, SORT_DEFAULT);
137 char buff[MAX_ELEM_LEN];
138 unsigned int flags = 0;
140 if(PRIMARYLANGID(LangID) == LANG_NEUTRAL)
141 return CONTINUE_LOOKING;
144 if (compare_info(lcid,LOCALE_SISO639LANGNAME,buff,res->search_language) ||
145 compare_info(lcid,LOCALE_SABBREVLANGNAME,buff,res->search_language) ||
146 compare_info(lcid,LOCALE_SENGLANGUAGE,buff,res->search_language))
148 TRACE(":Found language: %s->%s\n", res->search_language, buff);
149 flags |= FOUND_LANGUAGE;
150 memcpy(res->found_language,res->search_language,MAX_ELEM_LEN);
152 else if (res->match_flags & FOUND_LANGUAGE)
154 return CONTINUE_LOOKING;
158 if (compare_info(lcid,LOCALE_SISO3166CTRYNAME,buff,res->search_country) ||
159 compare_info(lcid,LOCALE_SABBREVCTRYNAME,buff,res->search_country) ||
160 compare_info(lcid,LOCALE_SENGCOUNTRY,buff,res->search_country))
162 TRACE("Found country:%s->%s\n", res->search_country, buff);
163 flags |= FOUND_COUNTRY;
164 memcpy(res->found_country,res->search_country,MAX_ELEM_LEN);
166 else if (res->match_flags & FOUND_COUNTRY)
168 return CONTINUE_LOOKING;
172 if (compare_info(lcid,LOCALE_IDEFAULTCODEPAGE,buff,res->search_codepage) ||
173 (compare_info(lcid,LOCALE_IDEFAULTANSICODEPAGE,buff,res->search_codepage)))
175 TRACE("Found codepage:%s->%s\n", res->search_codepage, buff);
176 flags |= FOUND_CODEPAGE;
177 memcpy(res->found_codepage,res->search_codepage,MAX_ELEM_LEN);
179 else if (res->match_flags & FOUND_CODEPAGE)
181 return CONTINUE_LOOKING;
184 if (flags > res->match_flags)
186 /* Found a better match than previously */
187 res->match_flags = flags;
188 res->found_lang_id = LangID;
190 if (flags & (FOUND_LANGUAGE & FOUND_COUNTRY & FOUND_CODEPAGE))
192 TRACE(":found exact locale match\n");
195 return CONTINUE_LOOKING;
198 extern int atoi(const char *);
200 /* Internal: Find the LCID for a locale specification */
201 static LCID MSVCRT_locale_to_LCID(locale_search_t* locale)
204 EnumResourceLanguagesA(GetModuleHandleA("KERNEL32"), (LPSTR)RT_STRING,
205 (LPCSTR)LOCALE_ILANGUAGE,find_best_locale_proc,
208 if (!locale->match_flags)
211 /* If we were given something that didn't match, fail */
212 if (locale->search_country[0] && !(locale->match_flags & FOUND_COUNTRY))
215 lcid = MAKELCID(locale->found_lang_id, SORT_DEFAULT);
217 /* Populate partial locale, translating LCID to locale string elements */
218 if (!locale->found_codepage[0])
220 /* Even if a codepage is not enumerated for a locale
221 * it can be set if valid */
222 if (locale->search_codepage[0])
224 if (IsValidCodePage(atoi(locale->search_codepage)))
225 memcpy(locale->found_codepage,locale->search_codepage,MAX_ELEM_LEN);
228 /* Special codepage values: OEM & ANSI */
229 if (strcasecmp(locale->search_codepage,"OCP"))
231 GetLocaleInfoA(lcid, LOCALE_IDEFAULTCODEPAGE,
232 locale->found_codepage, MAX_ELEM_LEN);
234 if (strcasecmp(locale->search_codepage,"ACP"))
236 GetLocaleInfoA(lcid, LOCALE_IDEFAULTANSICODEPAGE,
237 locale->found_codepage, MAX_ELEM_LEN);
242 if (!atoi(locale->found_codepage))
248 /* Prefer ANSI codepages if present */
249 GetLocaleInfoA(lcid, LOCALE_IDEFAULTANSICODEPAGE,
250 locale->found_codepage, MAX_ELEM_LEN);
251 if (!locale->found_codepage[0] || !atoi(locale->found_codepage))
252 GetLocaleInfoA(lcid, LOCALE_IDEFAULTCODEPAGE,
253 locale->found_codepage, MAX_ELEM_LEN);
256 GetLocaleInfoA(lcid, LOCALE_SENGLANGUAGE|LOCALE_NOUSEROVERRIDE,
257 locale->found_language, MAX_ELEM_LEN);
258 GetLocaleInfoA(lcid, LOCALE_SENGCOUNTRY|LOCALE_NOUSEROVERRIDE,
259 locale->found_country, MAX_ELEM_LEN);
263 /* INTERNAL: Set ctype behaviour for a codepage */
264 static void msvcrt_set_ctype(unsigned int codepage, LCID lcid)
268 memset(&cp, 0, sizeof(CPINFO));
270 if (GetCPInfo(codepage, &cp))
274 unsigned char *traverse = (unsigned char *)cp.LeadByte;
276 memset(MSVCRT_current_ctype, 0, sizeof(MSVCRT__ctype));
277 msvcrt_current_lc_all_cp = codepage;
279 /* Switch ctype macros to MBCS if needed */
280 MSVCRT___mb_cur_max = cp.MaxCharSize;
282 /* Set remaining ctype flags: FIXME: faster way to do this? */
284 for (i = 0; i < 256; i++)
286 if (!(MSVCRT__pctype[i] & MSVCRT_LEADBYTE))
289 GetStringTypeA(lcid, CT_CTYPE1, str, 1, MSVCRT__pctype + i);
293 /* Set leadbyte flags */
294 while (traverse[0] || traverse[1])
296 for( i = traverse[0]; i <= traverse[1]; i++ )
297 MSVCRT_current_ctype[i+1] |= MSVCRT_LEADBYTE;
304 /*********************************************************************
305 * setlocale (MSVCRT.@)
307 char* MSVCRT_setlocale(int category, const char* locale)
311 int haveLang, haveCountry, haveCP;
315 TRACE("(%d %s)\n",category,locale);
317 if (category < MSVCRT_LC_MIN || category > MSVCRT_LC_MAX)
322 /* Report the current Locale */
323 return MSVCRT_current_lc_all;
328 if (locale[0] == 'L' && locale[1] == 'C' && locale[2] == '_')
330 FIXME(":restore previous locale not implemented!\n");
331 /* FIXME: Easiest way to do this is parse the string and
332 * call this function recursively with its elements,
333 * Where they differ for each lc_ type.
336 return MSVCRT_current_lc_all;
339 /* Default Locale: Special case handling */
340 if (!strlen(locale) || ((toupper(locale[0]) == 'C') && !locale[1]))
342 MSVCRT_current_lc_all[0] = 'C';
343 MSVCRT_current_lc_all[1] = '\0';
344 msvcrt_current_lc_all_cp = GetACP();
348 lc_all = 1; /* Fall through all cases ... */
349 case MSVCRT_LC_COLLATE:
351 case MSVCRT_LC_CTYPE:
352 /* Restore C locale ctype info */
353 MSVCRT___mb_cur_max = 1;
354 memcpy(MSVCRT_current_ctype, MSVCRT__ctype, sizeof(MSVCRT__ctype));
355 memset(MSVCRT_mbctype, 0, sizeof(MSVCRT_mbctype));
357 case MSVCRT_LC_MONETARY:
359 case MSVCRT_LC_NUMERIC:
365 return MSVCRT_current_lc_all;
368 /* Get locale elements */
369 haveLang = haveCountry = haveCP = 0;
370 memset(&lc,0,sizeof(lc));
372 next = strchr(locale,'_');
373 if (next && next != locale)
376 memcpy(lc.search_language,locale,next-locale);
377 locale += next-locale+1;
380 next = strchr(locale,'.');
387 lstrcpynA(lc.search_codepage, locale, MAX_ELEM_LEN);
394 memcpy(lc.search_country,locale,next-locale);
395 locale += next-locale+1;
400 memcpy(lc.search_language,locale,next-locale);
401 locale += next-locale+1;
403 lstrcpynA(lc.search_codepage, locale, MAX_ELEM_LEN);
411 lstrcpynA(lc.search_country, locale, MAX_ELEM_LEN);
416 lstrcpynA(lc.search_language, locale, MAX_ELEM_LEN);
421 remap_synonym(lc.search_country);
423 if (haveCP && !haveCountry && !haveLang)
425 FIXME(":Codepage only locale not implemented\n");
426 /* FIXME: Use default lang/country and skip locale_to_LCID()
433 lcid = MSVCRT_locale_to_LCID(&lc);
435 TRACE(":found LCID %ld\n",lcid);
443 MSVCRT_current_lc_all_lcid = lcid;
445 snprintf(MSVCRT_current_lc_all,MAX_LOCALE_LENGTH,"%s_%s.%s",
446 lc.found_language,lc.found_country,lc.found_codepage);
450 lc_all = 1; /* Fall through all cases ... */
451 case MSVCRT_LC_COLLATE:
453 case MSVCRT_LC_CTYPE:
454 msvcrt_set_ctype(atoi(lc.found_codepage),lcid);
456 case MSVCRT_LC_MONETARY:
458 case MSVCRT_LC_NUMERIC:
464 return MSVCRT_current_lc_all;
468 /*********************************************************************
469 * _Getdays (MSVCRT.@)
471 const char* _Getdays(void)
473 static const char *MSVCRT_days = ":Sun:Sunday:Mon:Monday:Tue:Tuesday:Wed:"
474 "Wednesday:Thu:Thursday:Fri:Friday:Sat:Saturday";
475 /* FIXME: Use locale */
476 TRACE("(void) semi-stub\n");
480 /*********************************************************************
481 * _Getmonths (MSVCRT.@)
483 const char* _Getmonths(void)
485 static const char *MSVCRT_months = ":Jan:January:Feb:February:Mar:March:Apr:"
486 "April:May:May:Jun:June:Jul:July:Aug:August:Sep:September:Oct:"
487 "October:Nov:November:Dec:December";
488 /* FIXME: Use locale */
489 TRACE("(void) semi-stub\n");
490 return MSVCRT_months;
493 /*********************************************************************
494 * _Gettnames (MSVCRT.@)
496 const char* _Gettnames(void)
499 TRACE("(void) stub\n");
503 /*********************************************************************
504 * _Strftime (MSVCRT.@)
506 const char* _Strftime(char *out, unsigned int len, const char *fmt,
507 const void *tm, void *foo)
510 TRACE("(%p %d %s %p %p) stub\n", out, len, fmt, tm, foo);
514 /* FIXME: MBCP probably belongs in mbcs.c */
516 /*********************************************************************
517 * _setmbcp (MSVCRT.@)
522 if ((msvcrt_current_lc_all_cp != cp) && (cp > _MB_CP_SBCS))
524 /* FIXME: set ctype behaviour for this cp */
525 msvcrt_current_lc_all_cp = cp;
527 else if(cp == _MB_CP_ANSI)
529 msvcrt_current_lc_all_cp = GetACP();
531 else if(cp == _MB_CP_OEM)
533 msvcrt_current_lc_all_cp = GetOEMCP();
535 else if(cp == _MB_CP_LOCALE)
537 GetLocaleInfoW( GetUserDefaultLCID(), LOCALE_IDEFAULTANSICODEPAGE|LOCALE_RETURN_NUMBER,
538 (WCHAR *)&msvcrt_current_lc_all_cp, sizeof(INT)/sizeof(WCHAR) );
540 else if(cp == _MB_CP_SBCS)
542 FIXME ("SBCS codepages (e.g. %d) not implemented\n", cp);
546 FIXME ("Unreal codepages (e.g. %d) not implemented\n", cp);
552 /*********************************************************************
553 * _getmbcp (MSVCRT.@)
557 return msvcrt_current_lc_all_cp;
560 /*********************************************************************
561 * __crtLCMapStringA (MSVCRT.@)
563 int __crtLCMapStringA(
564 LCID lcid, DWORD mapflags, const char* src, int srclen, char* dst,
565 int dstlen, unsigned int codepage, int xflag
567 FIXME("(lcid %lx, flags %lx, %s(%d), %p(%d), %x, %d), partial stub!\n",
568 lcid,mapflags,src,srclen,dst,dstlen,codepage,xflag);
569 /* FIXME: A bit incorrect. But msvcrt itself just converts its
570 * arguments to wide strings and then calls LCMapStringW
572 return LCMapStringA(lcid,mapflags,src,srclen,dst,dstlen);
575 /*********************************************************************
576 * localeconv (MSVCRT.@)
578 struct MSVCRT_lconv *MSVCRT_localeconv(void) {
580 struct lconv *ylconv;
581 static struct MSVCRT_lconv xlconv;
583 ylconv = localeconv();
585 #define X(x) xlconv.x = ylconv->x;
591 X(mon_decimal_point);
592 X(mon_thousands_sep);
607 /*********************************************************************
608 * __lconv_init (MSVCRT.@)
610 void __lconv_init(void)