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"
29 #include "msvcrt/mbctype.h"
31 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
33 unsigned char MSVCRT_mbctype[257] = { 0 };
34 static int g_mbcp_is_multibyte = 0;
36 int MSVCRT___mb_cur_max = 1;
37 extern int MSVCRT___lc_collate_cp;
39 /* It seems that the data about valid trail bytes is not available from kernel32
40 * so we have to store is here. The format is the same as for lead bytes in CPINFO */
41 struct cp_extra_info_t
44 BYTE TrailBytes[MAX_LEADBYTES];
47 static struct cp_extra_info_t g_cpextrainfo[] =
49 {932, {0x40, 0x7e, 0x80, 0xfc, 0, 0}},
50 {936, {0x40, 0xfe, 0, 0}},
51 {949, {0x41, 0xfe, 0, 0}},
52 {950, {0x40, 0x7e, 0xa1, 0xfe, 0, 0}},
53 {20932, {1, 255, 0, 0}}, /* seems to give different results on different systems */
54 {0, {1, 255, 0, 0}} /* match all with FIXME */
57 static MSVCRT_wchar_t msvcrt_mbc_to_wc(unsigned int ch)
67 mbch[0] = (ch >> 8) & 0xff;
71 if (!MultiByteToWideChar(MSVCRT___lc_codepage, 0, mbch, n_chars, &chW, 1))
73 WARN("MultiByteToWideChar failed on %x\n", ch);
79 static inline size_t u_strlen( const unsigned char *str )
81 return strlen( (const char*) str );
84 static inline unsigned char* u_strncat( unsigned char* dst, const unsigned char* src, size_t len )
86 return (unsigned char*)strncat( (char*)dst, (const char*)src, len);
89 static inline int u_strcmp( const unsigned char *s1, const unsigned char *s2 )
91 return strcmp( (const char*)s1, (const char*)s2 );
94 static inline int u_strcasecmp( const unsigned char *s1, const unsigned char *s2 )
96 return strcasecmp( (const char*)s1, (const char*)s2 );
99 static inline int u_strncmp( const unsigned char *s1, const unsigned char *s2, size_t len )
101 return strncmp( (const char*)s1, (const char*)s2, len );
104 static inline int u_strncasecmp( const unsigned char *s1, const unsigned char *s2, size_t len )
106 return strncasecmp( (const char*)s1, (const char*)s2, len );
109 static inline unsigned char *u_strchr( const unsigned char *s, unsigned char x )
111 return (unsigned char*) strchr( (const char*)s, x );
114 static inline unsigned char *u_strrchr( const unsigned char *s, unsigned char x )
116 return (unsigned char*) strrchr( (const char*)s, x );
119 static inline unsigned char *u_strtok( unsigned char *s, const unsigned char *delim )
121 return (unsigned char*) strtok( (char*)s, (const char*)delim );
124 static inline unsigned char *u__strset( unsigned char *s, unsigned char c )
126 return (unsigned char*) _strset( (char*)s, c);
129 static inline unsigned char *u__strnset( unsigned char *s, unsigned char c, size_t len )
131 return (unsigned char*) _strnset( (char*)s, c, len );
134 static inline size_t u_strcspn( const unsigned char *s, const unsigned char *rej )
136 return strcspn( (const char *)s, (const char*)rej );
139 /*********************************************************************
140 * __p__mbctype (MSVCRT.@)
142 unsigned char* CDECL __p__mbctype(void)
144 return MSVCRT_mbctype;
147 /*********************************************************************
148 * __p___mb_cur_max(MSVCRT.@)
150 int* CDECL __p___mb_cur_max(void)
152 return &MSVCRT___mb_cur_max;
155 /*********************************************************************
156 * _setmbcp (MSVCRT.@)
158 int CDECL _setmbcp(int cp)
180 newcp = MSVCRT___lc_codepage;
183 newcp = 20127; /* ASCII */
190 if (!GetCPInfo(newcp, &cpi))
192 WARN("Codepage %d not found\n", newcp);
193 *MSVCRT__errno() = MSVCRT_EINVAL;
197 /* setup the _mbctype */
198 memset(MSVCRT_mbctype, 0, sizeof(MSVCRT_mbctype));
200 bytes = cpi.LeadByte;
201 while (bytes[0] || bytes[1])
203 for (i = bytes[0]; i <= bytes[1]; i++)
204 MSVCRT_mbctype[i + 1] |= _M1;
208 if (cpi.MaxCharSize > 1)
210 /* trail bytes not available through kernel32 but stored in a structure in msvcrt */
211 struct cp_extra_info_t *cpextra = g_cpextrainfo;
213 g_mbcp_is_multibyte = 1;
216 if (cpextra->cp == 0 || cpextra->cp == newcp)
218 if (cpextra->cp == 0)
219 FIXME("trail bytes data not available for DBCS codepage %d - assuming all bytes\n", newcp);
221 bytes = cpextra->TrailBytes;
222 while (bytes[0] || bytes[1])
224 for (i = bytes[0]; i <= bytes[1]; i++)
225 MSVCRT_mbctype[i + 1] |= _M2;
234 g_mbcp_is_multibyte = 0;
236 /* we can't use GetStringTypeA directly because we don't have a locale - only a code page
239 for (i = 0; i < 256; i++)
240 if (!(MSVCRT_mbctype[i + 1] & _M1))
241 bufA[charcount++] = i;
243 ret = MultiByteToWideChar(newcp, 0, bufA, charcount, bufW, charcount);
244 if (ret != charcount)
245 ERR("MultiByteToWideChar of chars failed for cp %d, ret=%d (exp %d), error=%d\n", newcp, ret, charcount, GetLastError());
247 GetStringTypeW(CT_CTYPE1, bufW, charcount, chartypes);
249 curr_type = chartypes;
250 for (i = 0; i < 256; i++)
251 if (!(MSVCRT_mbctype[i + 1] & _M1))
253 if ((*curr_type) & C1_UPPER)
254 MSVCRT_mbctype[i + 1] |= _SBUP;
255 if ((*curr_type) & C1_LOWER)
256 MSVCRT_mbctype[i + 1] |= _SBLOW;
260 if (newcp == 932) /* CP932 only - set _MP and _MS */
262 /* On Windows it's possible to calculate the _MP and _MS from CT_CTYPE1
263 * and CT_CTYPE3. But as of Wine 0.9.43 we return wrong values what makes
264 * it hard. As this is set only for codepage 932 we hardcode it what gives
265 * also faster execution.
267 for (i = 161; i <= 165; i++)
268 MSVCRT_mbctype[i + 1] |= _MP;
269 for (i = 166; i <= 223; i++)
270 MSVCRT_mbctype[i + 1] |= _MS;
273 MSVCRT___lc_collate_cp = MSVCRT___lc_codepage = newcp;
274 TRACE("(%d) -> %d\n", cp, MSVCRT___lc_codepage);
278 /*********************************************************************
279 * _getmbcp (MSVCRT.@)
281 int CDECL _getmbcp(void)
283 return MSVCRT___lc_codepage;
286 /*********************************************************************
287 * _mbsnextc(MSVCRT.@)
289 unsigned int CDECL _mbsnextc(const unsigned char* str)
292 return *str << 8 | str[1];
296 /*********************************************************************
297 * _mbctolower(MSVCRT.@)
299 unsigned int CDECL _mbctolower(unsigned int c)
301 if (MSVCRT_isleadbyte(c))
303 FIXME("Handle MBC chars\n");
306 return tolower(c); /* ASCII CP or SB char */
309 /*********************************************************************
310 * _mbctoupper(MSVCRT.@)
312 unsigned int CDECL _mbctoupper(unsigned int c)
314 if (MSVCRT_isleadbyte(c))
316 FIXME("Handle MBC chars\n");
319 return toupper(c); /* ASCII CP or SB char */
322 /*********************************************************************
325 unsigned char* CDECL _mbsdec(const unsigned char* start, const unsigned char* cur)
327 if(MSVCRT___mb_cur_max > 1)
328 return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
330 return (unsigned char *)cur - 1; /* ASCII CP or SB char */
333 /*********************************************************************
336 unsigned int CDECL _mbclen(const unsigned char* str)
338 return _ismbblead(*str) ? 2 : 1;
341 /*********************************************************************
344 unsigned char* CDECL _mbsinc(const unsigned char* str)
346 return (unsigned char *)(str + _mbclen(str));
349 /*********************************************************************
352 unsigned char* CDECL _mbsninc(const unsigned char* str, MSVCRT_size_t num)
357 while (num > 0 && *str)
359 if (_ismbblead(*str))
369 return (unsigned char*)str;
372 /*********************************************************************
375 MSVCRT_size_t CDECL _mbslen(const unsigned char* str)
377 MSVCRT_size_t len = 0;
380 if (_ismbblead(*str))
383 if (!*str) /* count only full chars */
392 /*********************************************************************
395 void CDECL _mbccpy(unsigned char* dest, const unsigned char* src)
399 *++dest = *++src; /* MB char */
402 /*********************************************************************
405 * The parameter n is the number or characters to copy, not the size of
406 * the buffer. Use _mbsnbcpy for a function analogical to strncpy
408 unsigned char* CDECL _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
410 unsigned char* ret = dst;
413 if (g_mbcp_is_multibyte)
418 if (_ismbblead(*src))
438 if (!(*dst++ = *src++)) break;
441 while (n--) *dst++ = 0;
445 /*********************************************************************
446 * _mbsnbcpy_s(MSVCRT.@)
448 * Unlike _mbsnbcpy this function does not pad the rest of the dest
451 int CDECL _mbsnbcpy_s(unsigned char* dst, MSVCRT_size_t size, const unsigned char* src, MSVCRT_size_t n)
453 MSVCRT_size_t pos = 0;
455 if(!dst || size == 0)
456 return MSVCRT_EINVAL;
460 return MSVCRT_EINVAL;
465 if(g_mbcp_is_multibyte)
473 return MSVCRT_ERANGE;
475 is_lead = (!is_lead && _ismbblead(*src));
480 if (is_lead) /* if string ends with a lead, remove it */
491 return MSVCRT_ERANGE;
504 return MSVCRT_ERANGE;
510 /*********************************************************************
511 * _mbsnbcpy(MSVCRT.@)
513 * Like strncpy this function doesn't enforce the string to be
516 unsigned char* CDECL _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
518 unsigned char* ret = dst;
521 if(g_mbcp_is_multibyte)
526 is_lead = (!is_lead && _ismbblead(*src));
531 if (is_lead) /* if string ends with a lead, remove it */
539 if (!(*dst++ = *src++)) break;
542 while (n--) *dst++ = 0;
546 /*********************************************************************
549 int CDECL _mbscmp(const unsigned char* str, const unsigned char* cmp)
551 if(MSVCRT___mb_cur_max > 1)
553 unsigned int strc, cmpc;
556 return *cmp ? -1 : 0;
559 strc = _mbsnextc(str);
560 cmpc = _mbsnextc(cmp);
562 return strc < cmpc ? -1 : 1;
563 str +=(strc > 255) ? 2 : 1;
564 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
567 return u_strcmp(str, cmp); /* ASCII CP */
570 /*********************************************************************
571 * _mbsicoll(MSVCRT.@)
572 * FIXME: handle locales.
574 int CDECL _mbsicoll(const unsigned char* str, const unsigned char* cmp)
576 if(MSVCRT___mb_cur_max > 1)
578 unsigned int strc, cmpc;
581 return *cmp ? -1 : 0;
584 strc = _mbctolower(_mbsnextc(str));
585 cmpc = _mbctolower(_mbsnextc(cmp));
587 return strc < cmpc ? -1 : 1;
588 str +=(strc > 255) ? 2 : 1;
589 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
592 return u_strcasecmp(str, cmp); /* ASCII CP */
595 /*********************************************************************
597 * Performs a case-sensitive comparison according to the current code page
599 * _NLSCMPERROR if error
600 * FIXME: handle locales.
602 int CDECL _mbscoll(const unsigned char* str, const unsigned char* cmp)
604 if(MSVCRT___mb_cur_max > 1)
606 unsigned int strc, cmpc;
609 return *cmp ? -1 : 0;
612 strc = _mbsnextc(str);
613 cmpc = _mbsnextc(cmp);
615 return strc < cmpc ? -1 : 1;
616 str +=(strc > 255) ? 2 : 1;
617 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
620 return u_strcmp(str, cmp); /* ASCII CP */
624 /*********************************************************************
627 int CDECL _mbsicmp(const unsigned char* str, const unsigned char* cmp)
629 if(MSVCRT___mb_cur_max > 1)
631 unsigned int strc, cmpc;
634 return *cmp ? -1 : 0;
637 strc = _mbctolower(_mbsnextc(str));
638 cmpc = _mbctolower(_mbsnextc(cmp));
640 return strc < cmpc ? -1 : 1;
641 str +=(strc > 255) ? 2 : 1;
642 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
645 return u_strcasecmp(str, cmp); /* ASCII CP */
648 /*********************************************************************
651 int CDECL _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
656 if(MSVCRT___mb_cur_max > 1)
658 unsigned int strc, cmpc;
663 return *cmp ? -1 : 0;
666 strc = _mbsnextc(str);
667 cmpc = _mbsnextc(cmp);
669 return strc < cmpc ? -1 : 1;
670 inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
674 return 0; /* Matched len chars */
676 return u_strncmp(str, cmp, len); /* ASCII CP */
679 /*********************************************************************
680 * _mbsnbcmp(MSVCRT.@)
682 int CDECL _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
686 if(MSVCRT___mb_cur_max > 1)
688 unsigned int strc, cmpc;
693 return *cmp ? -1 : 0;
696 if (MSVCRT_isleadbyte(*str))
698 strc=(len>=2)?_mbsnextc(str):0;
706 if (MSVCRT_isleadbyte(*cmp))
707 cmpc=(len>=2)?_mbsnextc(cmp):0;
711 return strc < cmpc ? -1 : 1;
716 return 0; /* Matched len chars */
718 return u_strncmp(str,cmp,len);
721 /*********************************************************************
722 * _mbsnicmp(MSVCRT.@)
724 * Compare two multibyte strings case insensitively to 'len' characters.
726 int CDECL _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
728 /* FIXME: No tolower() for mb strings yet */
729 if(MSVCRT___mb_cur_max > 1)
731 unsigned int strc, cmpc;
735 return *cmp ? -1 : 0;
738 strc = _mbctolower(_mbsnextc(str));
739 cmpc = _mbctolower(_mbsnextc(cmp));
741 return strc < cmpc ? -1 : 1;
742 str +=(strc > 255) ? 2 : 1;
743 cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
745 return 0; /* Matched len chars */
747 return u_strncasecmp(str, cmp, len); /* ASCII CP */
750 /*********************************************************************
751 * _mbsnbicmp(MSVCRT.@)
753 int CDECL _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
757 if(MSVCRT___mb_cur_max > 1)
759 unsigned int strc, cmpc;
764 return *cmp ? -1 : 0;
767 if (MSVCRT_isleadbyte(*str))
769 strc=(len>=2)?_mbsnextc(str):0;
777 if (MSVCRT_isleadbyte(*cmp))
778 cmpc=(len>=2)?_mbsnextc(cmp):0;
781 strc = _mbctolower(strc);
782 cmpc = _mbctolower(cmpc);
784 return strc < cmpc ? -1 : 1;
789 return 0; /* Matched len bytes */
791 return u_strncasecmp(str,cmp,len);
794 /*********************************************************************
797 unsigned char * CDECL _mbscat( unsigned char *dst, const unsigned char *src )
799 strcat( (char *)dst, (const char *)src );
803 /*********************************************************************
806 unsigned char* CDECL _mbscpy( unsigned char *dst, const unsigned char *src )
808 strcpy( (char *)dst, (const char *)src );
812 /*********************************************************************
815 unsigned char * CDECL _mbsstr(const unsigned char *haystack, const unsigned char *needle)
817 return (unsigned char *)strstr( (const char *)haystack, (const char *)needle );
820 /*********************************************************************
823 * Find a multibyte character in a multibyte string.
825 unsigned char* CDECL _mbschr(const unsigned char* s, unsigned int x)
827 if(MSVCRT___mb_cur_max > 1)
834 return (unsigned char*)s;
837 s += c > 255 ? 2 : 1;
840 return u_strchr(s, x); /* ASCII CP */
843 /*********************************************************************
846 unsigned char* CDECL _mbsrchr(const unsigned char* s, unsigned int x)
848 if(MSVCRT___mb_cur_max > 1)
851 unsigned char* match=NULL;
857 match=(unsigned char*)s;
860 s +=(c > 255) ? 2 : 1;
863 return u_strrchr(s, x);
866 /*********************************************************************
869 * Find and extract tokens from strings
871 unsigned char* CDECL _mbstok(unsigned char *str, const unsigned char *delim)
873 thread_data_t *data = msvcrt_get_thread_data();
876 if(MSVCRT___mb_cur_max > 1)
881 if (!(str = data->mbstok_next)) return NULL;
883 while ((c = _mbsnextc(str)) && _mbschr(delim, c)) {
884 str += c > 255 ? 2 : 1;
886 if (!*str) return NULL;
888 while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) {
889 str += c > 255 ? 2 : 1;
893 if (c > 255) *str++ = 0;
895 data->mbstok_next = str;
898 return u_strtok(str, delim); /* ASCII CP */
901 /*********************************************************************
904 int CDECL MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
906 /* temp var needed because MultiByteToWideChar wants non NULL destination */
907 MSVCRT_wchar_t tmpdst = '\0';
911 if(!MultiByteToWideChar(CP_ACP, 0, str, n, &tmpdst, 1))
915 /* return the number of bytes from src that have been used */
918 if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1])
923 /*********************************************************************
924 * _mbbtombc(MSVCRT.@)
926 unsigned int CDECL _mbbtombc(unsigned int c)
928 if(MSVCRT___mb_cur_max > 1 &&
929 ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf)))
931 /* FIXME: I can't get this function to return anything
932 * different from what I pass it...
935 return c; /* ASCII CP or no MB char */
938 /*********************************************************************
941 int CDECL _mbbtype(unsigned char c, int type)
945 if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
947 else if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc))
954 if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
956 else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc))
963 /*********************************************************************
964 * _ismbbkana(MSVCRT.@)
966 int CDECL _ismbbkana(unsigned int c)
968 /* FIXME: use lc_ctype when supported, not lc_all */
969 if(MSVCRT___lc_codepage == 932)
971 /* Japanese/Katakana, CP 932 */
972 return (c >= 0xa1 && c <= 0xdf);
977 /*********************************************************************
978 * _ismbcdigit(MSVCRT.@)
980 int CDECL _ismbcdigit(unsigned int ch)
982 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
983 return (get_char_typeW( wch ) & C1_DIGIT);
986 /*********************************************************************
987 * _ismbcgraph(MSVCRT.@)
989 int CDECL _ismbcgraph(unsigned int ch)
991 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
992 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
995 /*********************************************************************
996 * _ismbcalpha (MSVCRT.@)
998 int CDECL _ismbcalpha(unsigned int ch)
1000 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1001 return (get_char_typeW( wch ) & C1_ALPHA);
1004 /*********************************************************************
1005 * _ismbclower (MSVCRT.@)
1007 int CDECL _ismbclower(unsigned int ch)
1009 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1010 return (get_char_typeW( wch ) & C1_UPPER);
1013 /*********************************************************************
1014 * _ismbcupper (MSVCRT.@)
1016 int CDECL _ismbcupper(unsigned int ch)
1018 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1019 return (get_char_typeW( wch ) & C1_LOWER);
1022 /*********************************************************************
1023 * _ismbcsymbol(MSVCRT.@)
1025 int CDECL _ismbcsymbol(unsigned int ch)
1027 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1029 if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
1031 WARN("GetStringTypeW failed on %x\n", ch);
1034 return ((ctype & C3_SYMBOL) != 0);
1037 /*********************************************************************
1038 * _ismbcalnum (MSVCRT.@)
1040 int CDECL _ismbcalnum(unsigned int ch)
1042 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1043 return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
1046 /*********************************************************************
1047 * _ismbcspace (MSVCRT.@)
1049 int CDECL _ismbcspace(unsigned int ch)
1051 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1052 return (get_char_typeW( wch ) & C1_SPACE);
1055 /*********************************************************************
1056 * _ismbcprint (MSVCRT.@)
1058 int CDECL _ismbcprint(unsigned int ch)
1060 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1061 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
1064 /*********************************************************************
1065 * _ismbcpunct(MSVCRT.@)
1067 int CDECL _ismbcpunct(unsigned int ch)
1069 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1070 return (get_char_typeW( wch ) & C1_PUNCT);
1073 /*********************************************************************
1074 * _ismbchira(MSVCRT.@)
1076 int CDECL _ismbchira(unsigned int c)
1078 /* FIXME: use lc_ctype when supported, not lc_all */
1079 if(MSVCRT___lc_codepage == 932)
1081 /* Japanese/Hiragana, CP 932 */
1082 return (c >= 0x829f && c <= 0x82f1);
1087 /*********************************************************************
1088 * _ismbckata(MSVCRT.@)
1090 int CDECL _ismbckata(unsigned int c)
1092 /* FIXME: use lc_ctype when supported, not lc_all */
1093 if(MSVCRT___lc_codepage == 932)
1096 return _ismbbkana(c);
1097 /* Japanese/Katakana, CP 932 */
1098 return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
1103 /*********************************************************************
1104 * _ismbblead(MSVCRT.@)
1106 int CDECL _ismbblead(unsigned int c)
1108 return (MSVCRT_mbctype[(c&0xff) + 1] & _M1) != 0;
1112 /*********************************************************************
1113 * _ismbbtrail(MSVCRT.@)
1115 int CDECL _ismbbtrail(unsigned int c)
1117 return (MSVCRT_mbctype[(c&0xff) + 1] & _M2) != 0;
1120 /*********************************************************************
1121 * _ismbslead(MSVCRT.@)
1123 int CDECL _ismbslead(const unsigned char* start, const unsigned char* str)
1127 if(!g_mbcp_is_multibyte)
1130 /* Lead bytes can also be trail bytes so we need to analyse the string
1132 while (start <= str)
1136 lead = !lead && _ismbblead(*start);
1140 return lead ? -1 : 0;
1143 /*********************************************************************
1144 * _ismbstrail(MSVCRT.@)
1146 int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
1148 /* Note: this function doesn't check _ismbbtrail */
1149 if ((str > start) && _ismbslead(start, str-1))
1155 /*********************************************************************
1156 * _mbsbtype (MSVCRT.@)
1158 int CDECL _mbsbtype(const unsigned char *str, MSVCRT_size_t count)
1161 const unsigned char *end = str + count;
1162 int mbcp = g_mbcp_is_multibyte;
1164 /* Lead bytes can also be trail bytes so we need to analyse the string.
1165 * Also we must return _MBC_ILLEGAL for chars past the end of the string
1167 while (str < end) /* Note: we skip the last byte - will check after the loop */
1170 return _MBC_ILLEGAL;
1171 lead = mbcp && !lead && _ismbblead(*str);
1176 if (_ismbbtrail(*str))
1179 return _MBC_ILLEGAL;
1181 if (_ismbblead(*str))
1187 /*********************************************************************
1190 unsigned char* CDECL _mbsset(unsigned char* str, unsigned int c)
1192 unsigned char* ret = str;
1194 if(MSVCRT___mb_cur_max == 1 || c < 256)
1195 return u__strset(str, c); /* ASCII CP or SB char */
1197 c &= 0xffff; /* Strip high bits */
1199 while(str[0] && str[1])
1205 str[0] = '\0'; /* FIXME: OK to shorten? */
1210 /*********************************************************************
1211 * _mbsnbset(MSVCRT.@)
1213 unsigned char* CDECL _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
1215 unsigned char *ret = str;
1220 if(MSVCRT___mb_cur_max == 1 || c < 256)
1221 return u__strnset(str, c, len); /* ASCII CP or SB char */
1223 c &= 0xffff; /* Strip high bits */
1225 while(str[0] && str[1] && (len > 1))
1233 /* as per msdn pad with a blank character */
1240 /*********************************************************************
1241 * _mbsnset(MSVCRT.@)
1243 unsigned char* CDECL _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
1245 unsigned char *ret = str;
1250 if(MSVCRT___mb_cur_max == 1 || c < 256)
1251 return u__strnset(str, c, len); /* ASCII CP or SB char */
1253 c &= 0xffff; /* Strip high bits */
1255 while(str[0] && str[1] && len--)
1261 str[0] = '\0'; /* FIXME: OK to shorten? */
1266 /*********************************************************************
1267 * _mbsnccnt(MSVCRT.@)
1268 * 'c' is for 'character'.
1270 MSVCRT_size_t CDECL _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
1273 if(MSVCRT___mb_cur_max > 1)
1276 while(*str && len-- > 0)
1278 if(MSVCRT_isleadbyte(*str))
1291 return min(ret, len); /* ASCII CP */
1294 /*********************************************************************
1295 * _mbsnbcnt(MSVCRT.@)
1296 * 'b' is for byte count.
1298 MSVCRT_size_t CDECL _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
1301 if(MSVCRT___mb_cur_max > 1)
1303 const unsigned char* xstr = str;
1304 while(*xstr && len-- > 0)
1306 if (MSVCRT_isleadbyte(*xstr++))
1312 return min(ret, len); /* ASCII CP */
1315 /*********************************************************************
1316 * _mbsnbcat(MSVCRT.@)
1318 unsigned char* CDECL _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1320 if(MSVCRT___mb_cur_max > 1)
1322 unsigned char *res = dst;
1324 if (MSVCRT_isleadbyte(*dst++)) {
1328 /* as per msdn overwrite the lead byte in front of '\0' */
1334 while (*src && len--) *dst++ = *src++;
1338 return u_strncat(dst, src, len); /* ASCII CP */
1342 /*********************************************************************
1343 * _mbsncat(MSVCRT.@)
1345 unsigned char* CDECL _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1347 if(MSVCRT___mb_cur_max > 1)
1349 unsigned char *res = dst;
1352 if (MSVCRT_isleadbyte(*dst++))
1355 while (*src && len--)
1358 if(MSVCRT_isleadbyte(*src++))
1364 return u_strncat(dst, src, len); /* ASCII CP */
1368 /*********************************************************************
1371 unsigned char* CDECL _mbslwr(unsigned char* s)
1373 unsigned char *ret = s;
1376 if (MSVCRT___mb_cur_max > 1)
1381 c = _mbctolower(_mbsnextc(s));
1382 /* Note that I assume that the size of the character is unchanged */
1391 else for ( ; *s; s++) *s = tolower(*s);
1396 /*********************************************************************
1399 unsigned char* CDECL _mbsupr(unsigned char* s)
1401 unsigned char *ret = s;
1404 if (MSVCRT___mb_cur_max > 1)
1409 c = _mbctoupper(_mbsnextc(s));
1410 /* Note that I assume that the size of the character is unchanged */
1419 else for ( ; *s; s++) *s = toupper(*s);
1424 /*********************************************************************
1425 * _mbsspn (MSVCRT.@)
1427 MSVCRT_size_t CDECL _mbsspn(const unsigned char* string, const unsigned char* set)
1429 const unsigned char *p, *q;
1431 for (p = string; *p; p++)
1433 if (MSVCRT_isleadbyte(*p))
1435 for (q = set; *q; q++)
1439 if ((*p == *q) && (p[1] == q[1]))
1443 if (!q[0] || !q[1]) break;
1447 for (q = set; *q; q++)
1456 /*********************************************************************
1457 * _mbsspnp (MSVCRT.@)
1459 unsigned char* CDECL _mbsspnp(const unsigned char* string, const unsigned char* set)
1461 const unsigned char *p, *q;
1463 for (p = string; *p; p++)
1465 if (MSVCRT_isleadbyte(*p))
1467 for (q = set; *q; q++)
1471 if ((*p == *q) && (p[1] == q[1]))
1475 if (!q[0] || !q[1]) break;
1479 for (q = set; *q; q++)
1487 return (unsigned char *)p;
1490 /*********************************************************************
1491 * _mbscspn(MSVCRT.@)
1493 MSVCRT_size_t CDECL _mbscspn(const unsigned char* str, const unsigned char* cmp)
1495 if (MSVCRT___mb_cur_max > 1)
1496 FIXME("don't handle double character case\n");
1497 return u_strcspn(str, cmp);
1500 /*********************************************************************
1501 * _mbsrev (MSVCRT.@)
1503 unsigned char* CDECL _mbsrev(unsigned char* str)
1505 int i, len = _mbslen(str);
1506 unsigned char *p, *temp=MSVCRT_malloc(len*2);
1511 /* unpack multibyte string to temp buffer */
1513 for(i=0; i<len; i++)
1515 if (MSVCRT_isleadbyte(*p))
1527 /* repack it in the reverse order */
1529 for(i=len-1; i>=0; i--)
1531 if(MSVCRT_isleadbyte(temp[i*2]))
1547 /*********************************************************************
1548 * _mbspbrk (MSVCRT.@)
1550 unsigned char* CDECL _mbspbrk(const unsigned char* str, const unsigned char* accept)
1552 const unsigned char* p;
1556 for(p = accept; *p; p += (MSVCRT_isleadbyte(*p)?2:1) )
1559 if( !MSVCRT_isleadbyte(*p) || ( *(p+1) == *(str+1) ) )
1560 return (unsigned char*)str;
1562 str += (MSVCRT_isleadbyte(*str)?2:1);
1569 * Functions depending on locale codepage
1572 /*********************************************************************
1575 * Unlike most of the multibyte string functions this function uses
1576 * the locale codepage, not the codepage set by _setmbcp
1578 int CDECL MSVCRT_mblen(const char* str, MSVCRT_size_t size)
1580 if (str && *str && size)
1582 if(MSVCRT___mb_cur_max == 1)
1583 return 1; /* ASCII CP */
1585 return !MSVCRT_isleadbyte(*str) ? 1 : (size>1 ? 2 : -1);
1590 /*********************************************************************
1591 * _mbstrlen(MSVCRT.@)
1593 * Unlike most of the multibyte string functions this function uses
1594 * the locale codepage, not the codepage set by _setmbcp
1596 MSVCRT_size_t CDECL _mbstrlen(const char* str)
1598 if(MSVCRT___mb_cur_max > 1)
1600 MSVCRT_size_t len = 0;
1603 /* FIXME: According to the documentation we are supposed to test for
1604 * multi-byte character validity. Whatever that means
1606 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
1611 return strlen(str); /* ASCII CP */