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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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];
33 int MSVCRT___mb_cur_max = 1;
35 static MSVCRT_wchar_t msvcrt_mbc_to_wc(unsigned int ch)
45 mbch[0] = (ch >> 8) & 0xff;
49 if (!MultiByteToWideChar(msvcrt_current_lc_all_cp, 0, mbch, n_chars, &chW, 1))
51 WARN("MultiByteToWideChar failed on %x\n", ch);
57 static inline size_t u_strlen( const unsigned char *str )
59 return strlen( (const char*) str );
62 static inline unsigned char* u_strncat( unsigned char* dst, const unsigned char* src, size_t len )
64 return (unsigned char*)strncat( (char*)dst, (const char*)src, len);
67 static inline int u_strcmp( const unsigned char *s1, const unsigned char *s2 )
69 return strcmp( (const char*)s1, (const char*)s2 );
72 static inline int u_strcasecmp( const unsigned char *s1, const unsigned char *s2 )
74 return strcasecmp( (const char*)s1, (const char*)s2 );
77 static inline int u_strncmp( const unsigned char *s1, const unsigned char *s2, size_t len )
79 return strncmp( (const char*)s1, (const char*)s2, len );
82 static inline int u_strncasecmp( const unsigned char *s1, const unsigned char *s2, size_t len )
84 return strncasecmp( (const char*)s1, (const char*)s2, len );
87 static inline unsigned char *u_strchr( const unsigned char *s, unsigned char x )
89 return (unsigned char*) strchr( (const char*)s, x );
92 static inline unsigned char *u_strrchr( const unsigned char *s, unsigned char x )
94 return (unsigned char*) strrchr( (const char*)s, x );
97 static inline unsigned char *u_strtok( unsigned char *s, const unsigned char *delim )
99 return (unsigned char*) strtok( (char*)s, (const char*)delim );
102 static inline unsigned char *u__strset( unsigned char *s, unsigned char c )
104 return (unsigned char*) _strset( (char*)s, c);
107 static inline unsigned char *u__strnset( unsigned char *s, unsigned char c, size_t len )
109 return (unsigned char*) _strnset( (char*)s, c, len );
112 static inline unsigned char *u__strlwr( unsigned char *s )
114 return (unsigned char*) _strlwr( (char*)s );
117 static inline unsigned char *u__strupr( unsigned char *s )
119 return (unsigned char*) _strupr( (char*)s );
122 static inline size_t u_strcspn( const unsigned char *s, const unsigned char *rej )
124 return strcspn( (const char *)s, (const char*)rej );
127 /*********************************************************************
128 * __p__mbctype (MSVCRT.@)
130 unsigned char* __p__mbctype(void)
132 return MSVCRT_mbctype;
135 /*********************************************************************
136 * __p___mb_cur_max(MSVCRT.@)
138 int* __p___mb_cur_max(void)
140 return &MSVCRT___mb_cur_max;
143 /*********************************************************************
144 * _mbsnextc(MSVCRT.@)
146 unsigned int _mbsnextc(const unsigned char* str)
148 if(MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(*str))
149 return *str << 8 | str[1];
150 return *str; /* ASCII CP or SB char */
153 /*********************************************************************
154 * _mbctolower(MSVCRT.@)
156 unsigned int _mbctolower(unsigned int c)
158 if (MSVCRT_isleadbyte(c))
160 FIXME("Handle MBC chars\n");
163 return tolower(c); /* ASCII CP or SB char */
166 /*********************************************************************
167 * _mbctoupper(MSVCRT.@)
169 unsigned int _mbctoupper(unsigned int c)
171 if (MSVCRT_isleadbyte(c))
173 FIXME("Handle MBC chars\n");
176 return toupper(c); /* ASCII CP or SB char */
179 /*********************************************************************
182 unsigned char* _mbsdec(const unsigned char* start, const unsigned char* cur)
184 if(MSVCRT___mb_cur_max > 1)
185 return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
187 return (unsigned char *)cur - 1; /* ASCII CP or SB char */
190 /*********************************************************************
193 unsigned char* _mbsinc(const unsigned char* str)
195 if(MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(*str))
196 return (unsigned char*)str + 2; /* MB char */
198 return (unsigned char*)str + 1; /* ASCII CP or SB char */
201 /*********************************************************************
204 unsigned char* _mbsninc(const unsigned char* str, MSVCRT_size_t num)
208 if(MSVCRT___mb_cur_max > 1)
212 return (unsigned char*)str;
214 return (unsigned char*)str + num; /* ASCII CP */
217 /*********************************************************************
220 unsigned int _mbclen(const unsigned char* str)
222 return MSVCRT_isleadbyte(*str) ? 2 : 1;
225 /*********************************************************************
228 int MSVCRT_mblen(const char* str, MSVCRT_size_t size)
230 if (str && *str && size)
232 if(MSVCRT___mb_cur_max == 1)
233 return 1; /* ASCII CP */
235 return !MSVCRT_isleadbyte(*str) ? 1 : (size>1 ? 2 : -1);
240 /*********************************************************************
243 MSVCRT_size_t _mbslen(const unsigned char* str)
245 if(MSVCRT___mb_cur_max > 1)
247 MSVCRT_size_t len = 0;
250 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
255 return u_strlen(str); /* ASCII CP */
258 /*********************************************************************
259 * _mbstrlen(MSVCRT.@)
261 MSVCRT_size_t _mbstrlen(const char* str)
263 if(MSVCRT___mb_cur_max > 1)
265 MSVCRT_size_t len = 0;
268 /* FIXME: According to the documentation we are supposed to test for
269 * multi-byte character validity. Whatever that means
271 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
276 return strlen(str); /* ASCII CP */
279 /*********************************************************************
282 void _mbccpy(unsigned char* dest, const unsigned char* src)
285 if(MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(*src))
286 *++dest = *++src; /* MB char */
289 /*********************************************************************
292 unsigned char* _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
294 unsigned char* ret = dst;
297 if(MSVCRT___mb_cur_max > 1)
303 if (MSVCRT_isleadbyte(*src++))
312 if (!(*dst++ = *src++)) break;
315 while (n--) *dst++ = 0;
319 /*********************************************************************
320 * _mbsnbcpy(MSVCRT.@)
322 unsigned char* _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
324 unsigned char* ret = dst;
327 if(MSVCRT___mb_cur_max > 1)
329 while (*src && (n > 1))
333 if (MSVCRT_isleadbyte(*src++))
339 if (*src && n && !MSVCRT_isleadbyte(*src))
341 /* If the last character is a multi-byte character then
342 * we cannot copy it since we have only one byte left
353 if (!(*dst++ = *src++)) break;
356 while (n--) *dst++ = 0;
360 /*********************************************************************
363 int _mbscmp(const unsigned char* str, const unsigned char* cmp)
365 if(MSVCRT___mb_cur_max > 1)
367 unsigned int strc, cmpc;
370 return *cmp ? -1 : 0;
373 strc = _mbsnextc(str);
374 cmpc = _mbsnextc(cmp);
376 return strc < cmpc ? -1 : 1;
377 str +=(strc > 255) ? 2 : 1;
378 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
381 return u_strcmp(str, cmp); /* ASCII CP */
384 /*********************************************************************
385 * _mbsicoll(MSVCRT.@)
386 * FIXME: handle locales.
388 int _mbsicoll(const unsigned char* str, const unsigned char* cmp)
390 if(MSVCRT___mb_cur_max > 1)
392 unsigned int strc, cmpc;
395 return *cmp ? -1 : 0;
398 strc = _mbctolower(_mbsnextc(str));
399 cmpc = _mbctolower(_mbsnextc(cmp));
401 return strc < cmpc ? -1 : 1;
402 str +=(strc > 255) ? 2 : 1;
403 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
406 return u_strcasecmp(str, cmp); /* ASCII CP */
409 /*********************************************************************
411 * Performs a case-sensitive comparison according to the current code page
413 * _NLSCMPERROR if error
414 * FIXME: handle locales.
416 int _mbscoll(const unsigned char* str, const unsigned char* cmp)
418 if(MSVCRT___mb_cur_max > 1)
420 unsigned int strc, cmpc;
423 return *cmp ? -1 : 0;
426 strc = _mbsnextc(str);
427 cmpc = _mbsnextc(cmp);
429 return strc < cmpc ? -1 : 1;
430 str +=(strc > 255) ? 2 : 1;
431 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
434 return u_strcmp(str, cmp); /* ASCII CP */
438 /*********************************************************************
441 int _mbsicmp(const unsigned char* str, const unsigned char* cmp)
443 if(MSVCRT___mb_cur_max > 1)
445 unsigned int strc, cmpc;
448 return *cmp ? -1 : 0;
451 strc = _mbctolower(_mbsnextc(str));
452 cmpc = _mbctolower(_mbsnextc(cmp));
454 return strc < cmpc ? -1 : 1;
455 str +=(strc > 255) ? 2 : 1;
456 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
459 return u_strcasecmp(str, cmp); /* ASCII CP */
462 /*********************************************************************
465 int _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
470 if(MSVCRT___mb_cur_max > 1)
472 unsigned int strc, cmpc;
477 return *cmp ? -1 : 0;
480 strc = _mbsnextc(str);
481 cmpc = _mbsnextc(cmp);
483 return strc < cmpc ? -1 : 1;
484 inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
488 return 0; /* Matched len chars */
490 return u_strncmp(str, cmp, len); /* ASCII CP */
493 /*********************************************************************
494 * _mbsnbcmp(MSVCRT.@)
496 int _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
500 if(MSVCRT___mb_cur_max > 1)
502 unsigned int strc, cmpc;
507 return *cmp ? -1 : 0;
510 if (MSVCRT_isleadbyte(*str))
512 strc=(len>=2)?_mbsnextc(str):0;
520 if (MSVCRT_isleadbyte(*cmp))
521 cmpc=(len>=2)?_mbsnextc(cmp):0;
525 return strc < cmpc ? -1 : 1;
530 return 0; /* Matched len chars */
532 return u_strncmp(str,cmp,len);
535 /*********************************************************************
536 * _mbsnicmp(MSVCRT.@)
538 * Compare two multibyte strings case insensitively to 'len' characters.
540 int _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
542 /* FIXME: No tolower() for mb strings yet */
543 if(MSVCRT___mb_cur_max > 1)
545 unsigned int strc, cmpc;
549 return *cmp ? -1 : 0;
552 strc = _mbctolower(_mbsnextc(str));
553 cmpc = _mbctolower(_mbsnextc(cmp));
555 return strc < cmpc ? -1 : 1;
556 str +=(strc > 255) ? 2 : 1;
557 cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
559 return 0; /* Matched len chars */
561 return u_strncasecmp(str, cmp, len); /* ASCII CP */
564 /*********************************************************************
565 * _mbsnbicmp(MSVCRT.@)
567 int _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
571 if(MSVCRT___mb_cur_max > 1)
573 unsigned int strc, cmpc;
578 return *cmp ? -1 : 0;
581 if (MSVCRT_isleadbyte(*str))
583 strc=(len>=2)?_mbsnextc(str):0;
591 if (MSVCRT_isleadbyte(*cmp))
592 cmpc=(len>=2)?_mbsnextc(cmp):0;
595 strc = _mbctolower(strc);
596 cmpc = _mbctolower(cmpc);
598 return strc < cmpc ? -1 : 1;
603 return 0; /* Matched len bytes */
605 return u_strncmp(str,cmp,len);
608 /*********************************************************************
611 * Find a multibyte character in a multibyte string.
613 unsigned char* _mbschr(const unsigned char* s, unsigned int x)
615 if(MSVCRT___mb_cur_max > 1)
622 return (unsigned char*)s;
625 s += c > 255 ? 2 : 1;
628 return u_strchr(s, x); /* ASCII CP */
631 /*********************************************************************
634 unsigned char* _mbsrchr(const unsigned char* s, unsigned int x)
636 if(MSVCRT___mb_cur_max > 1)
639 unsigned char* match=NULL;
645 match=(unsigned char*)s;
648 s +=(c > 255) ? 2 : 1;
651 return u_strrchr(s, x);
654 /*********************************************************************
657 * Find and extract tokens from strings
659 unsigned char* _mbstok(unsigned char *str, const unsigned char *delim)
661 thread_data_t *data = msvcrt_get_thread_data();
664 if(MSVCRT___mb_cur_max > 1)
669 if (!(str = data->mbstok_next)) return NULL;
671 while ((c = _mbsnextc(str)) && _mbschr(delim, c)) {
672 str += c > 255 ? 2 : 1;
674 if (!*str) return NULL;
676 while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) {
677 str += c > 255 ? 2 : 1;
681 if (c > 255) *str++ = 0;
683 data->mbstok_next = str;
686 return u_strtok(str, delim); /* ASCII CP */
689 /*********************************************************************
692 int MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
694 /* temp var needed because MultiByteToWideChar wants non NULL destination */
695 MSVCRT_wchar_t tmpdst = '\0';
699 if(!MultiByteToWideChar(CP_ACP, 0, str, n, &tmpdst, 1))
703 /* return the number of bytes from src that have been used */
706 if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1])
711 /*********************************************************************
712 * _mbbtombc(MSVCRT.@)
714 unsigned int _mbbtombc(unsigned int c)
716 if(MSVCRT___mb_cur_max > 1 &&
717 ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf)))
719 /* FIXME: I can't get this function to return anything
720 * different from what I pass it...
723 return c; /* ASCII CP or no MB char */
726 /*********************************************************************
727 * _ismbbkana(MSVCRT.@)
729 int _ismbbkana(unsigned int c)
731 /* FIXME: use lc_ctype when supported, not lc_all */
732 if(msvcrt_current_lc_all_cp == 932)
734 /* Japanese/Katakana, CP 932 */
735 return (c >= 0xa1 && c <= 0xdf);
740 /*********************************************************************
741 * _ismbcdigit(MSVCRT.@)
743 int _ismbcdigit(unsigned int ch)
745 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
746 return (get_char_typeW( wch ) & C1_DIGIT);
749 /*********************************************************************
750 * _ismbcgraph(MSVCRT.@)
752 int _ismbcgraph(unsigned int ch)
754 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
755 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
758 /*********************************************************************
759 * _ismbcalpha (MSVCRT.@)
761 int _ismbcalpha(unsigned int ch)
763 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
764 return (get_char_typeW( wch ) & C1_ALPHA);
767 /*********************************************************************
768 * _ismbclower (MSVCRT.@)
770 int _ismbclower(unsigned int ch)
772 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
773 return (get_char_typeW( wch ) & C1_UPPER);
776 /*********************************************************************
777 * _ismbcupper (MSVCRT.@)
779 int _ismbcupper(unsigned int ch)
781 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
782 return (get_char_typeW( wch ) & C1_LOWER);
785 /*********************************************************************
786 * _ismbcsymbol(MSVCRT.@)
788 int _ismbcsymbol(unsigned int ch)
790 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
792 if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
794 WARN("GetStringTypeW failed on %x\n", ch);
797 return ((ctype & C3_SYMBOL) != 0);
800 /*********************************************************************
801 * _ismbcalnum (MSVCRT.@)
803 int _ismbcalnum(unsigned int ch)
805 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
806 return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
809 /*********************************************************************
810 * _ismbcspace (MSVCRT.@)
812 int _ismbcspace(unsigned int ch)
814 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
815 return (get_char_typeW( wch ) & C1_SPACE);
818 /*********************************************************************
819 * _ismbcprint (MSVCRT.@)
821 int _ismbcprint(unsigned int ch)
823 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
824 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
827 /*********************************************************************
828 * _ismbcpunct(MSVCRT.@)
830 int _ismbcpunct(unsigned int ch)
832 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
833 return (get_char_typeW( wch ) & C1_PUNCT);
836 /*********************************************************************
837 * _ismbchira(MSVCRT.@)
839 int _ismbchira(unsigned int c)
841 /* FIXME: use lc_ctype when supported, not lc_all */
842 if(msvcrt_current_lc_all_cp == 932)
844 /* Japanese/Hiragana, CP 932 */
845 return (c >= 0x829f && c <= 0x82f1);
850 /*********************************************************************
851 * _ismbckata(MSVCRT.@)
853 int _ismbckata(unsigned int c)
855 /* FIXME: use lc_ctype when supported, not lc_all */
856 if(msvcrt_current_lc_all_cp == 932)
859 return _ismbbkana(c);
860 /* Japanese/Katakana, CP 932 */
861 return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
866 /*********************************************************************
867 * _ismbblead(MSVCRT.@)
869 int _ismbblead(unsigned int c)
871 /* FIXME: should reference MSVCRT_mbctype */
872 return MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(c);
876 /*********************************************************************
877 * _ismbbtrail(MSVCRT.@)
879 int _ismbbtrail(unsigned int c)
881 /* FIXME: should reference MSVCRT_mbctype */
882 return !_ismbblead(c);
885 /*********************************************************************
886 * _ismbslead(MSVCRT.@)
888 int _ismbslead(const unsigned char* start, const unsigned char* str)
890 /* Lead bytes can also be trail bytes if caller messed up
891 * iterating through the string...
893 if(MSVCRT___mb_cur_max > 1)
896 start += MSVCRT_isleadbyte(*str) ? 2 : 1;
899 return MSVCRT_isleadbyte(*str);
901 return 0; /* Must have been a trail, we skipped it */
904 /*********************************************************************
905 * _ismbstrail(MSVCRT.@)
907 int _ismbstrail(const unsigned char* start, const unsigned char* str)
909 /* Must not be a lead, and must be preceded by one */
910 return !_ismbslead(start, str) && MSVCRT_isleadbyte(str[-1]);
913 /*********************************************************************
916 unsigned char* _mbsset(unsigned char* str, unsigned int c)
918 unsigned char* ret = str;
920 if(MSVCRT___mb_cur_max == 1 || c < 256)
921 return u__strset(str, c); /* ASCII CP or SB char */
923 c &= 0xffff; /* Strip high bits */
925 while(str[0] && str[1])
931 str[0] = '\0'; /* FIXME: OK to shorten? */
936 /*********************************************************************
937 * _mbsnbset(MSVCRT.@)
939 unsigned char* _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
941 unsigned char *ret = str;
946 if(MSVCRT___mb_cur_max == 1 || c < 256)
947 return u__strnset(str, c, len); /* ASCII CP or SB char */
949 c &= 0xffff; /* Strip high bits */
951 while(str[0] && str[1] && (len > 1))
959 /* as per msdn pad with a blank character */
966 /*********************************************************************
969 unsigned char* _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
971 unsigned char *ret = str;
976 if(MSVCRT___mb_cur_max == 1 || c < 256)
977 return u__strnset(str, c, len); /* ASCII CP or SB char */
979 c &= 0xffff; /* Strip high bits */
981 while(str[0] && str[1] && len--)
987 str[0] = '\0'; /* FIXME: OK to shorten? */
992 /*********************************************************************
993 * _mbsnccnt(MSVCRT.@)
994 * 'c' is for 'character'.
996 MSVCRT_size_t _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
999 if(MSVCRT___mb_cur_max > 1)
1002 while(*str && len-- > 0)
1004 if(MSVCRT_isleadbyte(*str))
1017 return min(ret, len); /* ASCII CP */
1020 /*********************************************************************
1021 * _mbsnbcnt(MSVCRT.@)
1022 * 'b' is for byte count.
1024 MSVCRT_size_t _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
1027 if(MSVCRT___mb_cur_max > 1)
1029 const unsigned char* xstr = str;
1030 while(*xstr && len-- > 0)
1032 if (MSVCRT_isleadbyte(*xstr++))
1038 return min(ret, len); /* ASCII CP */
1041 /*********************************************************************
1042 * _mbsnbcat(MSVCRT.@)
1044 unsigned char* _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1046 if(MSVCRT___mb_cur_max > 1)
1048 unsigned char *res = dst;
1050 if (MSVCRT_isleadbyte(*dst++)) {
1054 /* as per msdn overwrite the lead byte in front of '\0' */
1060 while (*src && len--) *dst++ = *src++;
1064 return u_strncat(dst, src, len); /* ASCII CP */
1068 /*********************************************************************
1069 * _mbsncat(MSVCRT.@)
1071 unsigned char* _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1073 if(MSVCRT___mb_cur_max > 1)
1075 unsigned char *res = dst;
1078 if (MSVCRT_isleadbyte(*dst++))
1081 while (*src && len--)
1084 if(MSVCRT_isleadbyte(*src++))
1090 return u_strncat(dst, src, len); /* ASCII CP */
1094 /*********************************************************************
1097 unsigned char* _mbslwr(unsigned char* s)
1101 if (MSVCRT___mb_cur_max > 1)
1107 c = _mbctolower(_mbsnextc(s));
1108 /* Note that I assume that the size of the character is unchanged */
1118 return u__strlwr(s);
1122 /*********************************************************************
1125 unsigned char* _mbsupr(unsigned char* s)
1129 if (MSVCRT___mb_cur_max > 1)
1135 c = _mbctoupper(_mbsnextc(s));
1136 /* Note that I assume that the size of the character is unchanged */
1146 return u__strupr(s);
1150 /*********************************************************************
1151 * _mbsspn (MSVCRT.@)
1153 MSVCRT_size_t _mbsspn(const unsigned char* string, const unsigned char* set)
1155 const unsigned char *p, *q;
1157 for (p = string; *p; p++)
1159 if (MSVCRT_isleadbyte(*p))
1161 for (q = set; *q; q++)
1165 if ((*p == *q) && (p[1] == q[1]))
1169 if (!q[0] || !q[1]) break;
1173 for (q = set; *q; q++)
1182 /*********************************************************************
1183 * _mbscspn(MSVCRT.@)
1185 MSVCRT_size_t _mbscspn(const unsigned char* str, const unsigned char* cmp)
1187 if (MSVCRT___mb_cur_max > 1)
1188 FIXME("don't handle double character case\n");
1189 return u_strcspn(str, cmp);
1192 /*********************************************************************
1193 * _mbsrev (MSVCRT.@)
1195 unsigned char* _mbsrev(unsigned char* str)
1197 int i, len = _mbslen(str);
1198 unsigned char *p, *temp=MSVCRT_malloc(len*2);
1203 /* unpack multibyte string to temp buffer */
1205 for(i=0; i<len; i++)
1207 if (MSVCRT_isleadbyte(*p))
1219 /* repack it in the reverse order */
1221 for(i=len-1; i>=0; i--)
1223 if(MSVCRT_isleadbyte(temp[i*2]))
1239 /*********************************************************************
1240 * _mbspbrk (MSVCRT.@)
1242 unsigned char* _mbspbrk(const unsigned char* str, const unsigned char* accept)
1244 const unsigned char* p;
1248 for(p = accept; *p; p += (MSVCRT_isleadbyte(*p)?2:1) )
1251 if( !MSVCRT_isleadbyte(*p) || ( *(p+1) == *(str+1) ) )
1252 return (unsigned char*)str;
1254 str += (MSVCRT_isleadbyte(*str)?2:1);