2 * msvcrt.dll mbcs functions
4 * Copyright 1999 Alexandre Julliard
5 * Copyright 2000 Jon Griffths
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 * Not currently binary compatible with win32. MSVCRT_mbctype must be
23 * populated correctly and the ismb* functions should reference it.
27 #include "wine/unicode.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
32 unsigned char MSVCRT_mbctype[257] = { 0 };
33 static int g_mbcp_is_multibyte = 0;
35 int MSVCRT___mb_cur_max = 1;
37 /* It seems that the data about valid trail bytes is not available from kernel32
38 * so we have to store is here. The format is the same as for lead bytes in CPINFO */
39 struct cp_extra_info_t
42 BYTE TrailBytes[MAX_LEADBYTES];
45 static struct cp_extra_info_t g_cpextrainfo[] =
47 {932, {0x40, 0x7e, 0x80, 0xfc, 0, 0}},
48 {936, {0x40, 0xfe, 0, 0}},
49 {949, {0x41, 0xfe, 0, 0}},
50 {950, {0x40, 0x7e, 0xa1, 0xfe, 0, 0}},
51 {20932, {1, 255, 0, 0}}, /* seems to give different results on different systems */
52 {0, {1, 255, 0, 0}} /* match all with FIXME */
55 static MSVCRT_wchar_t msvcrt_mbc_to_wc(unsigned int ch)
65 mbch[0] = (ch >> 8) & 0xff;
69 if (!MultiByteToWideChar(MSVCRT___lc_codepage, 0, mbch, n_chars, &chW, 1))
71 WARN("MultiByteToWideChar failed on %x\n", ch);
77 static inline size_t u_strlen( const unsigned char *str )
79 return strlen( (const char*) str );
82 static inline unsigned char* u_strncat( unsigned char* dst, const unsigned char* src, size_t len )
84 return (unsigned char*)strncat( (char*)dst, (const char*)src, len);
87 static inline int u_strcmp( const unsigned char *s1, const unsigned char *s2 )
89 return strcmp( (const char*)s1, (const char*)s2 );
92 static inline int u_strcasecmp( const unsigned char *s1, const unsigned char *s2 )
94 return strcasecmp( (const char*)s1, (const char*)s2 );
97 static inline int u_strncmp( const unsigned char *s1, const unsigned char *s2, size_t len )
99 return strncmp( (const char*)s1, (const char*)s2, len );
102 static inline int u_strncasecmp( const unsigned char *s1, const unsigned char *s2, size_t len )
104 return strncasecmp( (const char*)s1, (const char*)s2, len );
107 static inline unsigned char *u_strchr( const unsigned char *s, unsigned char x )
109 return (unsigned char*) strchr( (const char*)s, x );
112 static inline unsigned char *u_strrchr( const unsigned char *s, unsigned char x )
114 return (unsigned char*) strrchr( (const char*)s, x );
117 static inline unsigned char *u_strtok( unsigned char *s, const unsigned char *delim )
119 return (unsigned char*) strtok( (char*)s, (const char*)delim );
122 static inline unsigned char *u__strset( unsigned char *s, unsigned char c )
124 return (unsigned char*) _strset( (char*)s, c);
127 static inline unsigned char *u__strnset( unsigned char *s, unsigned char c, size_t len )
129 return (unsigned char*) _strnset( (char*)s, c, len );
132 static inline size_t u_strcspn( const unsigned char *s, const unsigned char *rej )
134 return strcspn( (const char *)s, (const char*)rej );
137 /*********************************************************************
138 * __p__mbctype (MSVCRT.@)
140 unsigned char* CDECL __p__mbctype(void)
142 return MSVCRT_mbctype;
145 /*********************************************************************
146 * ___mb_cur_max_func(MSVCRT.@)
148 int* CDECL MSVCRT____mb_cur_max_func(void)
150 return &MSVCRT___mb_cur_max;
153 /*********************************************************************
154 * _setmbcp (MSVCRT.@)
156 int CDECL _setmbcp(int cp)
178 newcp = MSVCRT___lc_codepage;
181 newcp = 20127; /* ASCII */
188 if (!GetCPInfo(newcp, &cpi))
190 WARN("Codepage %d not found\n", newcp);
191 *MSVCRT__errno() = MSVCRT_EINVAL;
195 /* setup the _mbctype */
196 memset(MSVCRT_mbctype, 0, sizeof(MSVCRT_mbctype));
198 bytes = cpi.LeadByte;
199 while (bytes[0] || bytes[1])
201 for (i = bytes[0]; i <= bytes[1]; i++)
202 MSVCRT_mbctype[i + 1] |= _M1;
206 if (cpi.MaxCharSize > 1)
208 /* trail bytes not available through kernel32 but stored in a structure in msvcrt */
209 struct cp_extra_info_t *cpextra = g_cpextrainfo;
211 g_mbcp_is_multibyte = 1;
214 if (cpextra->cp == 0 || cpextra->cp == newcp)
216 if (cpextra->cp == 0)
217 FIXME("trail bytes data not available for DBCS codepage %d - assuming all bytes\n", newcp);
219 bytes = cpextra->TrailBytes;
220 while (bytes[0] || bytes[1])
222 for (i = bytes[0]; i <= bytes[1]; i++)
223 MSVCRT_mbctype[i + 1] |= _M2;
232 g_mbcp_is_multibyte = 0;
234 /* we can't use GetStringTypeA directly because we don't have a locale - only a code page
237 for (i = 0; i < 256; i++)
238 if (!(MSVCRT_mbctype[i + 1] & _M1))
239 bufA[charcount++] = i;
241 ret = MultiByteToWideChar(newcp, 0, bufA, charcount, bufW, charcount);
242 if (ret != charcount)
243 ERR("MultiByteToWideChar of chars failed for cp %d, ret=%d (exp %d), error=%d\n", newcp, ret, charcount, GetLastError());
245 GetStringTypeW(CT_CTYPE1, bufW, charcount, chartypes);
247 curr_type = chartypes;
248 for (i = 0; i < 256; i++)
249 if (!(MSVCRT_mbctype[i + 1] & _M1))
251 if ((*curr_type) & C1_UPPER)
252 MSVCRT_mbctype[i + 1] |= _SBUP;
253 if ((*curr_type) & C1_LOWER)
254 MSVCRT_mbctype[i + 1] |= _SBLOW;
258 if (newcp == 932) /* CP932 only - set _MP and _MS */
260 /* On Windows it's possible to calculate the _MP and _MS from CT_CTYPE1
261 * and CT_CTYPE3. But as of Wine 0.9.43 we return wrong values what makes
262 * it hard. As this is set only for codepage 932 we hardcode it what gives
263 * also faster execution.
265 for (i = 161; i <= 165; i++)
266 MSVCRT_mbctype[i + 1] |= _MP;
267 for (i = 166; i <= 223; i++)
268 MSVCRT_mbctype[i + 1] |= _MS;
271 MSVCRT___lc_collate_cp = MSVCRT___lc_codepage = newcp;
272 TRACE("(%d) -> %d\n", cp, MSVCRT___lc_codepage);
276 /*********************************************************************
277 * _getmbcp (MSVCRT.@)
279 int CDECL _getmbcp(void)
281 return MSVCRT___lc_codepage;
284 /*********************************************************************
285 * _mbsnextc(MSVCRT.@)
287 unsigned int CDECL _mbsnextc(const unsigned char* str)
290 return *str << 8 | str[1];
294 /*********************************************************************
295 * _mbctolower(MSVCRT.@)
297 unsigned int CDECL _mbctolower(unsigned int c)
299 if (MSVCRT_isleadbyte(c))
301 FIXME("Handle MBC chars\n");
304 return tolower(c); /* ASCII CP or SB char */
307 /*********************************************************************
308 * _mbctoupper(MSVCRT.@)
310 unsigned int CDECL _mbctoupper(unsigned int c)
312 if (MSVCRT_isleadbyte(c))
314 FIXME("Handle MBC chars\n");
317 return toupper(c); /* ASCII CP or SB char */
320 /*********************************************************************
323 unsigned char* CDECL _mbsdec(const unsigned char* start, const unsigned char* cur)
325 if(MSVCRT___mb_cur_max > 1)
326 return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
328 return (unsigned char *)cur - 1; /* ASCII CP or SB char */
331 /*********************************************************************
334 unsigned int CDECL _mbclen(const unsigned char* str)
336 return _ismbblead(*str) ? 2 : 1;
339 /*********************************************************************
342 unsigned char* CDECL _mbsinc(const unsigned char* str)
344 return (unsigned char *)(str + _mbclen(str));
347 /*********************************************************************
350 unsigned char* CDECL _mbsninc(const unsigned char* str, MSVCRT_size_t num)
355 while (num > 0 && *str)
357 if (_ismbblead(*str))
367 return (unsigned char*)str;
370 /*********************************************************************
373 MSVCRT_size_t CDECL _mbslen(const unsigned char* str)
375 MSVCRT_size_t len = 0;
378 if (_ismbblead(*str))
381 if (!*str) /* count only full chars */
390 /*********************************************************************
393 void CDECL _mbccpy(unsigned char* dest, const unsigned char* src)
397 *++dest = *++src; /* MB char */
400 /*********************************************************************
403 * The parameter n is the number or characters to copy, not the size of
404 * the buffer. Use _mbsnbcpy for a function analogical to strncpy
406 unsigned char* CDECL _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
408 unsigned char* ret = dst;
411 if (g_mbcp_is_multibyte)
416 if (_ismbblead(*src))
436 if (!(*dst++ = *src++)) break;
439 while (n--) *dst++ = 0;
443 /*********************************************************************
444 * _mbsnbcpy_s(MSVCRT.@)
446 * Unlike _mbsnbcpy this function does not pad the rest of the dest
449 int CDECL _mbsnbcpy_s(unsigned char* dst, MSVCRT_size_t size, const unsigned char* src, MSVCRT_size_t n)
451 MSVCRT_size_t pos = 0;
453 if(!dst || size == 0)
454 return MSVCRT_EINVAL;
458 return MSVCRT_EINVAL;
463 if(g_mbcp_is_multibyte)
471 return MSVCRT_ERANGE;
473 is_lead = (!is_lead && _ismbblead(*src));
478 if (is_lead) /* if string ends with a lead, remove it */
489 return MSVCRT_ERANGE;
502 return MSVCRT_ERANGE;
508 /*********************************************************************
509 * _mbsnbcpy(MSVCRT.@)
511 * Like strncpy this function doesn't enforce the string to be
514 unsigned char* CDECL _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
516 unsigned char* ret = dst;
519 if(g_mbcp_is_multibyte)
524 is_lead = (!is_lead && _ismbblead(*src));
529 if (is_lead) /* if string ends with a lead, remove it */
537 if (!(*dst++ = *src++)) break;
540 while (n--) *dst++ = 0;
544 /*********************************************************************
547 int CDECL _mbscmp(const unsigned char* str, const unsigned char* cmp)
549 if(MSVCRT___mb_cur_max > 1)
551 unsigned int strc, cmpc;
554 return *cmp ? -1 : 0;
557 strc = _mbsnextc(str);
558 cmpc = _mbsnextc(cmp);
560 return strc < cmpc ? -1 : 1;
561 str +=(strc > 255) ? 2 : 1;
562 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
565 return u_strcmp(str, cmp); /* ASCII CP */
568 /*********************************************************************
569 * _mbsicoll(MSVCRT.@)
570 * FIXME: handle locales.
572 int CDECL _mbsicoll(const unsigned char* str, const unsigned char* cmp)
574 if(MSVCRT___mb_cur_max > 1)
576 unsigned int strc, cmpc;
579 return *cmp ? -1 : 0;
582 strc = _mbctolower(_mbsnextc(str));
583 cmpc = _mbctolower(_mbsnextc(cmp));
585 return strc < cmpc ? -1 : 1;
586 str +=(strc > 255) ? 2 : 1;
587 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
590 return u_strcasecmp(str, cmp); /* ASCII CP */
593 /*********************************************************************
595 * Performs a case-sensitive comparison according to the current code page
597 * _NLSCMPERROR if error
598 * FIXME: handle locales.
600 int CDECL _mbscoll(const unsigned char* str, const unsigned char* cmp)
602 if(MSVCRT___mb_cur_max > 1)
604 unsigned int strc, cmpc;
607 return *cmp ? -1 : 0;
610 strc = _mbsnextc(str);
611 cmpc = _mbsnextc(cmp);
613 return strc < cmpc ? -1 : 1;
614 str +=(strc > 255) ? 2 : 1;
615 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
618 return u_strcmp(str, cmp); /* ASCII CP */
622 /*********************************************************************
625 int CDECL _mbsicmp(const unsigned char* str, const unsigned char* cmp)
627 if(MSVCRT___mb_cur_max > 1)
629 unsigned int strc, cmpc;
632 return *cmp ? -1 : 0;
635 strc = _mbctolower(_mbsnextc(str));
636 cmpc = _mbctolower(_mbsnextc(cmp));
638 return strc < cmpc ? -1 : 1;
639 str +=(strc > 255) ? 2 : 1;
640 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
643 return u_strcasecmp(str, cmp); /* ASCII CP */
646 /*********************************************************************
649 int CDECL _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
654 if(MSVCRT___mb_cur_max > 1)
656 unsigned int strc, cmpc;
661 return *cmp ? -1 : 0;
664 strc = _mbsnextc(str);
665 cmpc = _mbsnextc(cmp);
667 return strc < cmpc ? -1 : 1;
668 inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
672 return 0; /* Matched len chars */
674 return u_strncmp(str, cmp, len); /* ASCII CP */
677 /*********************************************************************
678 * _mbsnbcmp(MSVCRT.@)
680 int CDECL _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
684 if(MSVCRT___mb_cur_max > 1)
686 unsigned int strc, cmpc;
691 return *cmp ? -1 : 0;
694 if (MSVCRT_isleadbyte(*str))
696 strc=(len>=2)?_mbsnextc(str):0;
704 if (MSVCRT_isleadbyte(*cmp))
705 cmpc=(len>=2)?_mbsnextc(cmp):0;
709 return strc < cmpc ? -1 : 1;
714 return 0; /* Matched len chars */
716 return u_strncmp(str,cmp,len);
719 /*********************************************************************
720 * _mbsnicmp(MSVCRT.@)
722 * Compare two multibyte strings case insensitively to 'len' characters.
724 int CDECL _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
726 /* FIXME: No tolower() for mb strings yet */
727 if(MSVCRT___mb_cur_max > 1)
729 unsigned int strc, cmpc;
733 return *cmp ? -1 : 0;
736 strc = _mbctolower(_mbsnextc(str));
737 cmpc = _mbctolower(_mbsnextc(cmp));
739 return strc < cmpc ? -1 : 1;
740 str +=(strc > 255) ? 2 : 1;
741 cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
743 return 0; /* Matched len chars */
745 return u_strncasecmp(str, cmp, len); /* ASCII CP */
748 /*********************************************************************
749 * _mbsnbicmp(MSVCRT.@)
751 int CDECL _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
755 if(MSVCRT___mb_cur_max > 1)
757 unsigned int strc, cmpc;
762 return *cmp ? -1 : 0;
765 if (MSVCRT_isleadbyte(*str))
767 strc=(len>=2)?_mbsnextc(str):0;
775 if (MSVCRT_isleadbyte(*cmp))
776 cmpc=(len>=2)?_mbsnextc(cmp):0;
779 strc = _mbctolower(strc);
780 cmpc = _mbctolower(cmpc);
782 return strc < cmpc ? -1 : 1;
787 return 0; /* Matched len bytes */
789 return u_strncasecmp(str,cmp,len);
792 /*********************************************************************
795 unsigned char * CDECL _mbscat( unsigned char *dst, const unsigned char *src )
797 strcat( (char *)dst, (const char *)src );
801 /*********************************************************************
804 unsigned char* CDECL _mbscpy( unsigned char *dst, const unsigned char *src )
806 strcpy( (char *)dst, (const char *)src );
810 /*********************************************************************
813 unsigned char * CDECL _mbsstr(const unsigned char *haystack, const unsigned char *needle)
815 return (unsigned char *)strstr( (const char *)haystack, (const char *)needle );
818 /*********************************************************************
821 * Find a multibyte character in a multibyte string.
823 unsigned char* CDECL _mbschr(const unsigned char* s, unsigned int x)
825 if(MSVCRT___mb_cur_max > 1)
832 return (unsigned char*)s;
835 s += c > 255 ? 2 : 1;
838 return u_strchr(s, x); /* ASCII CP */
841 /*********************************************************************
844 unsigned char* CDECL _mbsrchr(const unsigned char* s, unsigned int x)
846 if(MSVCRT___mb_cur_max > 1)
849 unsigned char* match=NULL;
855 match=(unsigned char*)s;
858 s +=(c > 255) ? 2 : 1;
861 return u_strrchr(s, x);
864 /*********************************************************************
867 * Find and extract tokens from strings
869 unsigned char* CDECL _mbstok(unsigned char *str, const unsigned char *delim)
871 thread_data_t *data = msvcrt_get_thread_data();
874 if(MSVCRT___mb_cur_max > 1)
879 if (!(str = data->mbstok_next)) return NULL;
881 while ((c = _mbsnextc(str)) && _mbschr(delim, c)) {
882 str += c > 255 ? 2 : 1;
884 if (!*str) return NULL;
886 while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) {
887 str += c > 255 ? 2 : 1;
891 if (c > 255) *str++ = 0;
893 data->mbstok_next = str;
896 return u_strtok(str, delim); /* ASCII CP */
899 /*********************************************************************
902 int CDECL MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
904 /* temp var needed because MultiByteToWideChar wants non NULL destination */
905 MSVCRT_wchar_t tmpdst = '\0';
909 if(!MultiByteToWideChar(CP_ACP, 0, str, n, &tmpdst, 1))
913 /* return the number of bytes from src that have been used */
916 if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1])
921 /*********************************************************************
922 * _mbbtombc(MSVCRT.@)
924 unsigned int CDECL _mbbtombc(unsigned int c)
926 if(MSVCRT___mb_cur_max > 1 &&
927 ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf)))
929 /* FIXME: I can't get this function to return anything
930 * different from what I pass it...
933 return c; /* ASCII CP or no MB char */
936 /*********************************************************************
939 int CDECL _mbbtype(unsigned char c, int type)
943 if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
945 else if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc))
952 if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
954 else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc))
961 /*********************************************************************
962 * _ismbbkana(MSVCRT.@)
964 int CDECL _ismbbkana(unsigned int c)
966 /* FIXME: use lc_ctype when supported, not lc_all */
967 if(MSVCRT___lc_codepage == 932)
969 /* Japanese/Katakana, CP 932 */
970 return (c >= 0xa1 && c <= 0xdf);
975 /*********************************************************************
976 * _ismbcdigit(MSVCRT.@)
978 int CDECL _ismbcdigit(unsigned int ch)
980 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
981 return (get_char_typeW( wch ) & C1_DIGIT);
984 /*********************************************************************
985 * _ismbcgraph(MSVCRT.@)
987 int CDECL _ismbcgraph(unsigned int ch)
989 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
990 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
993 /*********************************************************************
994 * _ismbcalpha (MSVCRT.@)
996 int CDECL _ismbcalpha(unsigned int ch)
998 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
999 return (get_char_typeW( wch ) & C1_ALPHA);
1002 /*********************************************************************
1003 * _ismbclower (MSVCRT.@)
1005 int CDECL _ismbclower(unsigned int ch)
1007 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1008 return (get_char_typeW( wch ) & C1_UPPER);
1011 /*********************************************************************
1012 * _ismbcupper (MSVCRT.@)
1014 int CDECL _ismbcupper(unsigned int ch)
1016 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1017 return (get_char_typeW( wch ) & C1_LOWER);
1020 /*********************************************************************
1021 * _ismbcsymbol(MSVCRT.@)
1023 int CDECL _ismbcsymbol(unsigned int ch)
1025 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1027 if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
1029 WARN("GetStringTypeW failed on %x\n", ch);
1032 return ((ctype & C3_SYMBOL) != 0);
1035 /*********************************************************************
1036 * _ismbcalnum (MSVCRT.@)
1038 int CDECL _ismbcalnum(unsigned int ch)
1040 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1041 return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
1044 /*********************************************************************
1045 * _ismbcspace (MSVCRT.@)
1047 int CDECL _ismbcspace(unsigned int ch)
1049 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1050 return (get_char_typeW( wch ) & C1_SPACE);
1053 /*********************************************************************
1054 * _ismbcprint (MSVCRT.@)
1056 int CDECL _ismbcprint(unsigned int ch)
1058 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1059 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
1062 /*********************************************************************
1063 * _ismbcpunct(MSVCRT.@)
1065 int CDECL _ismbcpunct(unsigned int ch)
1067 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1068 return (get_char_typeW( wch ) & C1_PUNCT);
1071 /*********************************************************************
1072 * _ismbchira(MSVCRT.@)
1074 int CDECL _ismbchira(unsigned int c)
1076 /* FIXME: use lc_ctype when supported, not lc_all */
1077 if(MSVCRT___lc_codepage == 932)
1079 /* Japanese/Hiragana, CP 932 */
1080 return (c >= 0x829f && c <= 0x82f1);
1085 /*********************************************************************
1086 * _ismbckata(MSVCRT.@)
1088 int CDECL _ismbckata(unsigned int c)
1090 /* FIXME: use lc_ctype when supported, not lc_all */
1091 if(MSVCRT___lc_codepage == 932)
1094 return _ismbbkana(c);
1095 /* Japanese/Katakana, CP 932 */
1096 return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
1101 /*********************************************************************
1102 * _ismbblead(MSVCRT.@)
1104 int CDECL _ismbblead(unsigned int c)
1106 return (MSVCRT_mbctype[(c&0xff) + 1] & _M1) != 0;
1110 /*********************************************************************
1111 * _ismbbtrail(MSVCRT.@)
1113 int CDECL _ismbbtrail(unsigned int c)
1115 return (MSVCRT_mbctype[(c&0xff) + 1] & _M2) != 0;
1118 /*********************************************************************
1119 * _ismbslead(MSVCRT.@)
1121 int CDECL _ismbslead(const unsigned char* start, const unsigned char* str)
1125 if(!g_mbcp_is_multibyte)
1128 /* Lead bytes can also be trail bytes so we need to analyse the string
1130 while (start <= str)
1134 lead = !lead && _ismbblead(*start);
1138 return lead ? -1 : 0;
1141 /*********************************************************************
1142 * _ismbstrail(MSVCRT.@)
1144 int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
1146 /* Note: this function doesn't check _ismbbtrail */
1147 if ((str > start) && _ismbslead(start, str-1))
1153 /*********************************************************************
1154 * _mbsbtype (MSVCRT.@)
1156 int CDECL _mbsbtype(const unsigned char *str, MSVCRT_size_t count)
1159 const unsigned char *end = str + count;
1160 int mbcp = g_mbcp_is_multibyte;
1162 /* Lead bytes can also be trail bytes so we need to analyse the string.
1163 * Also we must return _MBC_ILLEGAL for chars past the end of the string
1165 while (str < end) /* Note: we skip the last byte - will check after the loop */
1168 return _MBC_ILLEGAL;
1169 lead = mbcp && !lead && _ismbblead(*str);
1174 if (_ismbbtrail(*str))
1177 return _MBC_ILLEGAL;
1179 if (_ismbblead(*str))
1185 /*********************************************************************
1188 unsigned char* CDECL _mbsset(unsigned char* str, unsigned int c)
1190 unsigned char* ret = str;
1192 if(MSVCRT___mb_cur_max == 1 || c < 256)
1193 return u__strset(str, c); /* ASCII CP or SB char */
1195 c &= 0xffff; /* Strip high bits */
1197 while(str[0] && str[1])
1203 str[0] = '\0'; /* FIXME: OK to shorten? */
1208 /*********************************************************************
1209 * _mbsnbset(MSVCRT.@)
1211 unsigned char* CDECL _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
1213 unsigned char *ret = str;
1218 if(MSVCRT___mb_cur_max == 1 || c < 256)
1219 return u__strnset(str, c, len); /* ASCII CP or SB char */
1221 c &= 0xffff; /* Strip high bits */
1223 while(str[0] && str[1] && (len > 1))
1231 /* as per msdn pad with a blank character */
1238 /*********************************************************************
1239 * _mbsnset(MSVCRT.@)
1241 unsigned char* CDECL _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
1243 unsigned char *ret = str;
1248 if(MSVCRT___mb_cur_max == 1 || c < 256)
1249 return u__strnset(str, c, len); /* ASCII CP or SB char */
1251 c &= 0xffff; /* Strip high bits */
1253 while(str[0] && str[1] && len--)
1259 str[0] = '\0'; /* FIXME: OK to shorten? */
1264 /*********************************************************************
1265 * _mbsnccnt(MSVCRT.@)
1266 * 'c' is for 'character'.
1268 MSVCRT_size_t CDECL _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
1271 if(MSVCRT___mb_cur_max > 1)
1274 while(*str && len-- > 0)
1276 if(MSVCRT_isleadbyte(*str))
1289 return min(ret, len); /* ASCII CP */
1292 /*********************************************************************
1293 * _mbsnbcnt(MSVCRT.@)
1294 * 'b' is for byte count.
1296 MSVCRT_size_t CDECL _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
1299 if(MSVCRT___mb_cur_max > 1)
1301 const unsigned char* xstr = str;
1302 while(*xstr && len-- > 0)
1304 if (MSVCRT_isleadbyte(*xstr++))
1310 return min(ret, len); /* ASCII CP */
1313 /*********************************************************************
1314 * _mbsnbcat(MSVCRT.@)
1316 unsigned char* CDECL _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1318 if(MSVCRT___mb_cur_max > 1)
1320 unsigned char *res = dst;
1322 if (MSVCRT_isleadbyte(*dst++)) {
1326 /* as per msdn overwrite the lead byte in front of '\0' */
1332 while (*src && len--) *dst++ = *src++;
1336 return u_strncat(dst, src, len); /* ASCII CP */
1340 /*********************************************************************
1341 * _mbsncat(MSVCRT.@)
1343 unsigned char* CDECL _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1345 if(MSVCRT___mb_cur_max > 1)
1347 unsigned char *res = dst;
1350 if (MSVCRT_isleadbyte(*dst++))
1353 while (*src && len--)
1356 if(MSVCRT_isleadbyte(*src++))
1362 return u_strncat(dst, src, len); /* ASCII CP */
1366 /*********************************************************************
1369 unsigned char* CDECL _mbslwr(unsigned char* s)
1371 unsigned char *ret = s;
1374 if (MSVCRT___mb_cur_max > 1)
1379 c = _mbctolower(_mbsnextc(s));
1380 /* Note that I assume that the size of the character is unchanged */
1389 else for ( ; *s; s++) *s = tolower(*s);
1394 /*********************************************************************
1397 unsigned char* CDECL _mbsupr(unsigned char* s)
1399 unsigned char *ret = s;
1402 if (MSVCRT___mb_cur_max > 1)
1407 c = _mbctoupper(_mbsnextc(s));
1408 /* Note that I assume that the size of the character is unchanged */
1417 else for ( ; *s; s++) *s = toupper(*s);
1422 /*********************************************************************
1423 * _mbsspn (MSVCRT.@)
1425 MSVCRT_size_t CDECL _mbsspn(const unsigned char* string, const unsigned char* set)
1427 const unsigned char *p, *q;
1429 for (p = string; *p; p++)
1431 if (MSVCRT_isleadbyte(*p))
1433 for (q = set; *q; q++)
1437 if ((*p == *q) && (p[1] == q[1]))
1441 if (!q[0] || !q[1]) break;
1445 for (q = set; *q; q++)
1454 /*********************************************************************
1455 * _mbsspnp (MSVCRT.@)
1457 unsigned char* CDECL _mbsspnp(const unsigned char* string, const unsigned char* set)
1459 const unsigned char *p, *q;
1461 for (p = string; *p; p++)
1463 if (MSVCRT_isleadbyte(*p))
1465 for (q = set; *q; q++)
1469 if ((*p == *q) && (p[1] == q[1]))
1473 if (!q[0] || !q[1]) break;
1477 for (q = set; *q; q++)
1485 return (unsigned char *)p;
1488 /*********************************************************************
1489 * _mbscspn(MSVCRT.@)
1491 MSVCRT_size_t CDECL _mbscspn(const unsigned char* str, const unsigned char* cmp)
1493 if (MSVCRT___mb_cur_max > 1)
1494 FIXME("don't handle double character case\n");
1495 return u_strcspn(str, cmp);
1498 /*********************************************************************
1499 * _mbsrev (MSVCRT.@)
1501 unsigned char* CDECL _mbsrev(unsigned char* str)
1503 int i, len = _mbslen(str);
1504 unsigned char *p, *temp=MSVCRT_malloc(len*2);
1509 /* unpack multibyte string to temp buffer */
1511 for(i=0; i<len; i++)
1513 if (MSVCRT_isleadbyte(*p))
1525 /* repack it in the reverse order */
1527 for(i=len-1; i>=0; i--)
1529 if(MSVCRT_isleadbyte(temp[i*2]))
1545 /*********************************************************************
1546 * _mbspbrk (MSVCRT.@)
1548 unsigned char* CDECL _mbspbrk(const unsigned char* str, const unsigned char* accept)
1550 const unsigned char* p;
1554 for(p = accept; *p; p += (MSVCRT_isleadbyte(*p)?2:1) )
1557 if( !MSVCRT_isleadbyte(*p) || ( *(p+1) == *(str+1) ) )
1558 return (unsigned char*)str;
1560 str += (MSVCRT_isleadbyte(*str)?2:1);
1567 * Functions depending on locale codepage
1570 /*********************************************************************
1573 * Unlike most of the multibyte string functions this function uses
1574 * the locale codepage, not the codepage set by _setmbcp
1576 int CDECL MSVCRT_mblen(const char* str, MSVCRT_size_t size)
1578 if (str && *str && size)
1580 if(MSVCRT___mb_cur_max == 1)
1581 return 1; /* ASCII CP */
1583 return !MSVCRT_isleadbyte(*str) ? 1 : (size>1 ? 2 : -1);
1588 /*********************************************************************
1589 * _mbstrlen(MSVCRT.@)
1591 * Unlike most of the multibyte string functions this function uses
1592 * the locale codepage, not the codepage set by _setmbcp
1594 MSVCRT_size_t CDECL _mbstrlen(const char* str)
1596 if(MSVCRT___mb_cur_max > 1)
1598 MSVCRT_size_t len = 0;
1601 /* FIXME: According to the documentation we are supposed to test for
1602 * multi-byte character validity. Whatever that means
1604 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
1609 return strlen(str); /* ASCII CP */