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 */
288 ERR("failure.. is this ok?\n");
291 /*********************************************************************
294 unsigned char* _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
296 unsigned char* ret = dst;
299 if(MSVCRT___mb_cur_max > 1)
305 if (MSVCRT_isleadbyte(*src++))
314 if (!(*dst++ = *src++)) break;
317 while (n--) *dst++ = 0;
321 /*********************************************************************
322 * _mbsnbcpy(MSVCRT.@)
324 unsigned char* _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
326 unsigned char* ret = dst;
329 if(MSVCRT___mb_cur_max > 1)
331 while (*src && (n > 1))
335 if (MSVCRT_isleadbyte(*src++))
341 if (*src && n && !MSVCRT_isleadbyte(*src))
343 /* If the last character is a multi-byte character then
344 * we cannot copy it since we have only one byte left
355 if (!(*dst++ = *src++)) break;
358 while (n--) *dst++ = 0;
362 /*********************************************************************
365 int _mbscmp(const unsigned char* str, const unsigned char* cmp)
367 if(MSVCRT___mb_cur_max > 1)
369 unsigned int strc, cmpc;
372 return *cmp ? -1 : 0;
375 strc = _mbsnextc(str);
376 cmpc = _mbsnextc(cmp);
378 return strc < cmpc ? -1 : 1;
379 str +=(strc > 255) ? 2 : 1;
380 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
383 return u_strcmp(str, cmp); /* ASCII CP */
386 /*********************************************************************
387 * _mbsicoll(MSVCRT.@)
388 * FIXME: handle locales.
390 int _mbsicoll(const unsigned char* str, const unsigned char* cmp)
392 if(MSVCRT___mb_cur_max > 1)
394 unsigned int strc, cmpc;
397 return *cmp ? -1 : 0;
400 strc = _mbctolower(_mbsnextc(str));
401 cmpc = _mbctolower(_mbsnextc(cmp));
403 return strc < cmpc ? -1 : 1;
404 str +=(strc > 255) ? 2 : 1;
405 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
408 return u_strcasecmp(str, cmp); /* ASCII CP */
411 /*********************************************************************
413 * Performs a case-sensitive comparison according to the current code page
415 * _NLSCMPERROR if error
416 * FIXME: handle locales.
418 int _mbscoll(const unsigned char* str, const unsigned char* cmp)
420 if(MSVCRT___mb_cur_max > 1)
422 unsigned int strc, cmpc;
425 return *cmp ? -1 : 0;
428 strc = _mbsnextc(str);
429 cmpc = _mbsnextc(cmp);
431 return strc < cmpc ? -1 : 1;
432 str +=(strc > 255) ? 2 : 1;
433 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
436 return u_strcmp(str, cmp); /* ASCII CP */
440 /*********************************************************************
443 int _mbsicmp(const unsigned char* str, const unsigned char* cmp)
445 if(MSVCRT___mb_cur_max > 1)
447 unsigned int strc, cmpc;
450 return *cmp ? -1 : 0;
453 strc = _mbctolower(_mbsnextc(str));
454 cmpc = _mbctolower(_mbsnextc(cmp));
456 return strc < cmpc ? -1 : 1;
457 str +=(strc > 255) ? 2 : 1;
458 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
461 return u_strcasecmp(str, cmp); /* ASCII CP */
464 /*********************************************************************
467 int _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
472 if(MSVCRT___mb_cur_max > 1)
474 unsigned int strc, cmpc;
479 return *cmp ? -1 : 0;
482 strc = _mbsnextc(str);
483 cmpc = _mbsnextc(cmp);
485 return strc < cmpc ? -1 : 1;
486 inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
490 return 0; /* Matched len chars */
492 return u_strncmp(str, cmp, len); /* ASCII CP */
495 /*********************************************************************
496 * _mbsnbcmp(MSVCRT.@)
498 int _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
502 if(MSVCRT___mb_cur_max > 1)
504 unsigned int strc, cmpc;
509 return *cmp ? -1 : 0;
512 if (MSVCRT_isleadbyte(*str))
514 strc=(len>=2)?_mbsnextc(str):0;
522 if (MSVCRT_isleadbyte(*cmp))
523 cmpc=(len>=2)?_mbsnextc(cmp):0;
527 return strc < cmpc ? -1 : 1;
532 return 0; /* Matched len chars */
534 return u_strncmp(str,cmp,len);
537 /*********************************************************************
538 * _mbsnicmp(MSVCRT.@)
540 * Compare two multibyte strings case insensitively to 'len' characters.
542 int _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
544 /* FIXME: No tolower() for mb strings yet */
545 if(MSVCRT___mb_cur_max > 1)
547 unsigned int strc, cmpc;
551 return *cmp ? -1 : 0;
554 strc = _mbctolower(_mbsnextc(str));
555 cmpc = _mbctolower(_mbsnextc(cmp));
557 return strc < cmpc ? -1 : 1;
558 str +=(strc > 255) ? 2 : 1;
559 cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
561 return 0; /* Matched len chars */
563 return u_strncasecmp(str, cmp, len); /* ASCII CP */
566 /*********************************************************************
567 * _mbsnbicmp(MSVCRT.@)
569 int _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
573 if(MSVCRT___mb_cur_max > 1)
575 unsigned int strc, cmpc;
580 return *cmp ? -1 : 0;
583 if (MSVCRT_isleadbyte(*str))
585 strc=(len>=2)?_mbsnextc(str):0;
593 if (MSVCRT_isleadbyte(*cmp))
594 cmpc=(len>=2)?_mbsnextc(cmp):0;
597 strc = _mbctolower(strc);
598 cmpc = _mbctolower(cmpc);
600 return strc < cmpc ? -1 : 1;
605 return 0; /* Matched len bytes */
607 return u_strncmp(str,cmp,len);
610 /*********************************************************************
613 * Find a multibyte character in a multibyte string.
615 unsigned char* _mbschr(const unsigned char* s, unsigned int x)
617 if(MSVCRT___mb_cur_max > 1)
624 return (unsigned char*)s;
627 s += c > 255 ? 2 : 1;
630 return u_strchr(s, x); /* ASCII CP */
633 /*********************************************************************
636 unsigned char* _mbsrchr(const unsigned char* s, unsigned int x)
638 if(MSVCRT___mb_cur_max > 1)
641 unsigned char* match=NULL;
647 match=(unsigned char*)s;
650 s +=(c > 255) ? 2 : 1;
653 return u_strrchr(s, x);
656 /*********************************************************************
659 * Find and extract tokens from strings
661 unsigned char* _mbstok(unsigned char *str, const unsigned char *delim)
663 thread_data_t *data = msvcrt_get_thread_data();
666 if(MSVCRT___mb_cur_max > 1)
671 if (!(str = data->mbstok_next)) return NULL;
673 while ((c = _mbsnextc(str)) && _mbschr(delim, c)) {
674 str += c > 255 ? 2 : 1;
676 if (!*str) return NULL;
678 while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) {
679 str += c > 255 ? 2 : 1;
683 if (c > 255) *str++ = 0;
685 data->mbstok_next = str;
688 return u_strtok(str, delim); /* ASCII CP */
691 /*********************************************************************
694 int MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
696 /* temp var needed because MultiByteToWideChar wants non NULL destination */
697 MSVCRT_wchar_t tmpdst = '\0';
701 if(!MultiByteToWideChar(CP_ACP, 0, str, n, &tmpdst, 1))
705 /* return the number of bytes from src that have been used */
708 if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1])
713 /*********************************************************************
714 * _mbbtombc(MSVCRT.@)
716 unsigned int _mbbtombc(unsigned int c)
718 if(MSVCRT___mb_cur_max > 1 &&
719 ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf)))
721 /* FIXME: I can't get this function to return anything
722 * different from what I pass it...
725 return c; /* ASCII CP or no MB char */
728 /*********************************************************************
729 * _ismbbkana(MSVCRT.@)
731 int _ismbbkana(unsigned int c)
733 /* FIXME: use lc_ctype when supported, not lc_all */
734 if(msvcrt_current_lc_all_cp == 932)
736 /* Japanese/Katakana, CP 932 */
737 return (c >= 0xa1 && c <= 0xdf);
742 /*********************************************************************
743 * _ismbcdigit(MSVCRT.@)
745 int _ismbcdigit(unsigned int ch)
747 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
748 return (get_char_typeW( wch ) & C1_DIGIT);
751 /*********************************************************************
752 * _ismbcgraph(MSVCRT.@)
754 int _ismbcgraph(unsigned int ch)
756 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
757 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
760 /*********************************************************************
761 * _ismbcalpha (MSVCRT.@)
763 int _ismbcalpha(unsigned int ch)
765 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
766 return (get_char_typeW( wch ) & C1_ALPHA);
769 /*********************************************************************
770 * _ismbclower (MSVCRT.@)
772 int _ismbclower(unsigned int ch)
774 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
775 return (get_char_typeW( wch ) & C1_UPPER);
778 /*********************************************************************
779 * _ismbcupper (MSVCRT.@)
781 int _ismbcupper(unsigned int ch)
783 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
784 return (get_char_typeW( wch ) & C1_LOWER);
787 /*********************************************************************
788 * _ismbcsymbol(MSVCRT.@)
790 int _ismbcsymbol(unsigned int ch)
792 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
794 if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
796 WARN("GetStringTypeW failed on %x\n", ch);
799 return ((ctype & C3_SYMBOL) != 0);
802 /*********************************************************************
803 * _ismbcalnum (MSVCRT.@)
805 int _ismbcalnum(unsigned int ch)
807 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
808 return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
811 /*********************************************************************
812 * _ismbcspace (MSVCRT.@)
814 int _ismbcspace(unsigned int ch)
816 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
817 return (get_char_typeW( wch ) & C1_SPACE);
820 /*********************************************************************
821 * _ismbcprint (MSVCRT.@)
823 int _ismbcprint(unsigned int ch)
825 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
826 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
829 /*********************************************************************
830 * _ismbcpunct(MSVCRT.@)
832 int _ismbcpunct(unsigned int ch)
834 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
835 return (get_char_typeW( wch ) & C1_PUNCT);
838 /*********************************************************************
839 * _ismbchira(MSVCRT.@)
841 int _ismbchira(unsigned int c)
843 /* FIXME: use lc_ctype when supported, not lc_all */
844 if(msvcrt_current_lc_all_cp == 932)
846 /* Japanese/Hiragana, CP 932 */
847 return (c >= 0x829f && c <= 0x82f1);
852 /*********************************************************************
853 * _ismbckata(MSVCRT.@)
855 int _ismbckata(unsigned int c)
857 /* FIXME: use lc_ctype when supported, not lc_all */
858 if(msvcrt_current_lc_all_cp == 932)
861 return _ismbbkana(c);
862 /* Japanese/Katakana, CP 932 */
863 return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
868 /*********************************************************************
869 * _ismbblead(MSVCRT.@)
871 int _ismbblead(unsigned int c)
873 /* FIXME: should reference MSVCRT_mbctype */
874 return MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(c);
878 /*********************************************************************
879 * _ismbbtrail(MSVCRT.@)
881 int _ismbbtrail(unsigned int c)
883 /* FIXME: should reference MSVCRT_mbctype */
884 return !_ismbblead(c);
887 /*********************************************************************
888 * _ismbslead(MSVCRT.@)
890 int _ismbslead(const unsigned char* start, const unsigned char* str)
892 /* Lead bytes can also be trail bytes if caller messed up
893 * iterating through the string...
895 if(MSVCRT___mb_cur_max > 1)
898 start += MSVCRT_isleadbyte(*str) ? 2 : 1;
901 return MSVCRT_isleadbyte(*str);
903 return 0; /* Must have been a trail, we skipped it */
906 /*********************************************************************
907 * _ismbstrail(MSVCRT.@)
909 int _ismbstrail(const unsigned char* start, const unsigned char* str)
911 /* Must not be a lead, and must be preceded by one */
912 return !_ismbslead(start, str) && MSVCRT_isleadbyte(str[-1]);
915 /*********************************************************************
918 unsigned char* _mbsset(unsigned char* str, unsigned int c)
920 unsigned char* ret = str;
922 if(MSVCRT___mb_cur_max == 1 || c < 256)
923 return u__strset(str, c); /* ASCII CP or SB char */
925 c &= 0xffff; /* Strip high bits */
927 while(str[0] && str[1])
933 str[0] = '\0'; /* FIXME: OK to shorten? */
938 /*********************************************************************
939 * _mbsnbset(MSVCRT.@)
941 unsigned char* _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
943 unsigned char *ret = str;
948 if(MSVCRT___mb_cur_max == 1 || c < 256)
949 return u__strnset(str, c, len); /* ASCII CP or SB char */
951 c &= 0xffff; /* Strip high bits */
953 while(str[0] && str[1] && (len > 1))
961 /* as per msdn pad with a blank character */
968 /*********************************************************************
971 unsigned char* _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
973 unsigned char *ret = str;
978 if(MSVCRT___mb_cur_max == 1 || c < 256)
979 return u__strnset(str, c, len); /* ASCII CP or SB char */
981 c &= 0xffff; /* Strip high bits */
983 while(str[0] && str[1] && len--)
989 str[0] = '\0'; /* FIXME: OK to shorten? */
994 /*********************************************************************
995 * _mbsnccnt(MSVCRT.@)
996 * 'c' is for 'character'.
998 MSVCRT_size_t _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
1001 if(MSVCRT___mb_cur_max > 1)
1004 while(*str && len-- > 0)
1006 if(MSVCRT_isleadbyte(*str))
1019 return min(ret, len); /* ASCII CP */
1022 /*********************************************************************
1023 * _mbsnbcnt(MSVCRT.@)
1024 * 'b' is for byte count.
1026 MSVCRT_size_t _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
1029 if(MSVCRT___mb_cur_max > 1)
1031 const unsigned char* xstr = str;
1032 while(*xstr && len-- > 0)
1034 if (MSVCRT_isleadbyte(*xstr++))
1040 return min(ret, len); /* ASCII CP */
1043 /*********************************************************************
1044 * _mbsnbcat(MSVCRT.@)
1046 unsigned char* _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1048 if(MSVCRT___mb_cur_max > 1)
1050 unsigned char *res = dst;
1052 if (MSVCRT_isleadbyte(*dst++)) {
1056 /* as per msdn overwrite the lead byte in front of '\0' */
1062 while (*src && len--) *dst++ = *src++;
1066 return u_strncat(dst, src, len); /* ASCII CP */
1070 /*********************************************************************
1071 * _mbsncat(MSVCRT.@)
1073 unsigned char* _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1075 if(MSVCRT___mb_cur_max > 1)
1077 unsigned char *res = dst;
1080 if (MSVCRT_isleadbyte(*dst++))
1083 while (*src && len--)
1086 if(MSVCRT_isleadbyte(*src++))
1092 return u_strncat(dst, src, len); /* ASCII CP */
1096 /*********************************************************************
1099 unsigned char* _mbslwr(unsigned char* s)
1103 if (MSVCRT___mb_cur_max > 1)
1109 c = _mbctolower(_mbsnextc(s));
1110 /* Note that I assume that the size of the character is unchanged */
1120 return u__strlwr(s);
1124 /*********************************************************************
1127 unsigned char* _mbsupr(unsigned char* s)
1131 if (MSVCRT___mb_cur_max > 1)
1137 c = _mbctoupper(_mbsnextc(s));
1138 /* Note that I assume that the size of the character is unchanged */
1148 return u__strupr(s);
1152 /*********************************************************************
1153 * _mbsspn (MSVCRT.@)
1155 MSVCRT_size_t _mbsspn(const unsigned char* string, const unsigned char* set)
1157 const unsigned char *p, *q;
1159 for (p = string; *p; p++)
1161 if (MSVCRT_isleadbyte(*p))
1163 for (q = set; *q; q++)
1167 if ((*p == *q) && (p[1] == q[1]))
1175 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);