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 MSVCRT_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, MSVCRT_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, MSVCRT_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, MSVCRT_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, MSVCRT_size_t len )
129 return (unsigned char*) _strnset( (char*)s, c, len );
132 static inline MSVCRT_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 /*********************************************************************
321 * _mbcjistojms(MSVCRT.@)
323 * Converts a jis character to sjis.
324 * Based on description from
325 * http://www.slayers.ne.jp/~oouchi/code/jistosjis.html
327 unsigned int CDECL _mbcjistojms(unsigned int c)
329 /* Conversion takes place only when codepage is 932.
330 In all other cases, c is returned unchanged */
331 if(MSVCRT___lc_codepage == 932)
333 if(HIBYTE(c) >= 0x21 && HIBYTE(c) <= 0x7e &&
334 LOBYTE(c) >= 0x21 && LOBYTE(c) <= 0x7e)
344 c = (((HIBYTE(c) - 0x21)/2 + 0x81) << 8) | LOBYTE(c);
350 return 0; /* Codepage is 932, but c can't be converted */
356 /*********************************************************************
359 unsigned char* CDECL _mbsdec(const unsigned char* start, const unsigned char* cur)
361 if(MSVCRT___mb_cur_max > 1)
362 return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
364 return (unsigned char *)cur - 1; /* ASCII CP or SB char */
367 /*********************************************************************
370 unsigned int CDECL _mbclen(const unsigned char* str)
372 return _ismbblead(*str) ? 2 : 1;
375 /*********************************************************************
378 unsigned char* CDECL _mbsinc(const unsigned char* str)
380 return (unsigned char *)(str + _mbclen(str));
383 /*********************************************************************
386 unsigned char* CDECL _mbsninc(const unsigned char* str, MSVCRT_size_t num)
391 while (num > 0 && *str)
393 if (_ismbblead(*str))
403 return (unsigned char*)str;
406 /*********************************************************************
409 MSVCRT_size_t CDECL _mbslen(const unsigned char* str)
411 MSVCRT_size_t len = 0;
414 if (_ismbblead(*str))
417 if (!*str) /* count only full chars */
426 /*********************************************************************
429 void CDECL _mbccpy(unsigned char* dest, const unsigned char* src)
433 *++dest = *++src; /* MB char */
436 /*********************************************************************
439 * The parameter n is the number or characters to copy, not the size of
440 * the buffer. Use _mbsnbcpy for a function analogical to strncpy
442 unsigned char* CDECL _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
444 unsigned char* ret = dst;
447 if (g_mbcp_is_multibyte)
452 if (_ismbblead(*src))
472 if (!(*dst++ = *src++)) break;
475 while (n--) *dst++ = 0;
479 /*********************************************************************
480 * _mbsnbcpy_s(MSVCRT.@)
482 * Unlike _mbsnbcpy this function does not pad the rest of the dest
485 int CDECL _mbsnbcpy_s(unsigned char* dst, MSVCRT_size_t size, const unsigned char* src, MSVCRT_size_t n)
487 MSVCRT_size_t pos = 0;
489 if(!dst || size == 0)
490 return MSVCRT_EINVAL;
494 return MSVCRT_EINVAL;
499 if(g_mbcp_is_multibyte)
507 return MSVCRT_ERANGE;
509 is_lead = (!is_lead && _ismbblead(*src));
514 if (is_lead) /* if string ends with a lead, remove it */
525 return MSVCRT_ERANGE;
538 return MSVCRT_ERANGE;
544 /*********************************************************************
545 * _mbsnbcpy(MSVCRT.@)
547 * Like strncpy this function doesn't enforce the string to be
550 unsigned char* CDECL _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
552 unsigned char* ret = dst;
555 if(g_mbcp_is_multibyte)
560 is_lead = (!is_lead && _ismbblead(*src));
565 if (is_lead) /* if string ends with a lead, remove it */
573 if (!(*dst++ = *src++)) break;
576 while (n--) *dst++ = 0;
580 /*********************************************************************
583 int CDECL _mbscmp(const unsigned char* str, const unsigned char* cmp)
585 if(MSVCRT___mb_cur_max > 1)
587 unsigned int strc, cmpc;
590 return *cmp ? -1 : 0;
593 strc = _mbsnextc(str);
594 cmpc = _mbsnextc(cmp);
596 return strc < cmpc ? -1 : 1;
597 str +=(strc > 255) ? 2 : 1;
598 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
601 return u_strcmp(str, cmp); /* ASCII CP */
604 /*********************************************************************
605 * _mbsicoll(MSVCRT.@)
606 * FIXME: handle locales.
608 int CDECL _mbsicoll(const unsigned char* str, const unsigned char* cmp)
610 if(MSVCRT___mb_cur_max > 1)
612 unsigned int strc, cmpc;
615 return *cmp ? -1 : 0;
618 strc = _mbctolower(_mbsnextc(str));
619 cmpc = _mbctolower(_mbsnextc(cmp));
621 return strc < cmpc ? -1 : 1;
622 str +=(strc > 255) ? 2 : 1;
623 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
626 return u_strcasecmp(str, cmp); /* ASCII CP */
629 /*********************************************************************
631 * Performs a case-sensitive comparison according to the current code page
633 * _NLSCMPERROR if error
634 * FIXME: handle locales.
636 int CDECL _mbscoll(const unsigned char* str, const unsigned char* cmp)
638 if(MSVCRT___mb_cur_max > 1)
640 unsigned int strc, cmpc;
643 return *cmp ? -1 : 0;
646 strc = _mbsnextc(str);
647 cmpc = _mbsnextc(cmp);
649 return strc < cmpc ? -1 : 1;
650 str +=(strc > 255) ? 2 : 1;
651 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
654 return u_strcmp(str, cmp); /* ASCII CP */
658 /*********************************************************************
661 int CDECL _mbsicmp(const unsigned char* str, const unsigned char* cmp)
663 if(MSVCRT___mb_cur_max > 1)
665 unsigned int strc, cmpc;
668 return *cmp ? -1 : 0;
671 strc = _mbctolower(_mbsnextc(str));
672 cmpc = _mbctolower(_mbsnextc(cmp));
674 return strc < cmpc ? -1 : 1;
675 str +=(strc > 255) ? 2 : 1;
676 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
679 return u_strcasecmp(str, cmp); /* ASCII CP */
682 /*********************************************************************
685 int CDECL _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
690 if(MSVCRT___mb_cur_max > 1)
692 unsigned int strc, cmpc;
697 return *cmp ? -1 : 0;
700 strc = _mbsnextc(str);
701 cmpc = _mbsnextc(cmp);
703 return strc < cmpc ? -1 : 1;
704 inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
708 return 0; /* Matched len chars */
710 return u_strncmp(str, cmp, len); /* ASCII CP */
713 /*********************************************************************
714 * _mbsnbcmp(MSVCRT.@)
716 int CDECL _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
720 if(MSVCRT___mb_cur_max > 1)
722 unsigned int strc, cmpc;
727 return *cmp ? -1 : 0;
730 if (MSVCRT_isleadbyte(*str))
732 strc=(len>=2)?_mbsnextc(str):0;
740 if (MSVCRT_isleadbyte(*cmp))
741 cmpc=(len>=2)?_mbsnextc(cmp):0;
745 return strc < cmpc ? -1 : 1;
750 return 0; /* Matched len chars */
752 return u_strncmp(str,cmp,len);
755 /*********************************************************************
756 * _mbsnicmp(MSVCRT.@)
758 * Compare two multibyte strings case insensitively to 'len' characters.
760 int CDECL _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
762 /* FIXME: No tolower() for mb strings yet */
763 if(MSVCRT___mb_cur_max > 1)
765 unsigned int strc, cmpc;
769 return *cmp ? -1 : 0;
772 strc = _mbctolower(_mbsnextc(str));
773 cmpc = _mbctolower(_mbsnextc(cmp));
775 return strc < cmpc ? -1 : 1;
776 str +=(strc > 255) ? 2 : 1;
777 cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
779 return 0; /* Matched len chars */
781 return u_strncasecmp(str, cmp, len); /* ASCII CP */
784 /*********************************************************************
785 * _mbsnbicmp(MSVCRT.@)
787 int CDECL _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
791 if(MSVCRT___mb_cur_max > 1)
793 unsigned int strc, cmpc;
798 return *cmp ? -1 : 0;
801 if (MSVCRT_isleadbyte(*str))
803 strc=(len>=2)?_mbsnextc(str):0;
811 if (MSVCRT_isleadbyte(*cmp))
812 cmpc=(len>=2)?_mbsnextc(cmp):0;
815 strc = _mbctolower(strc);
816 cmpc = _mbctolower(cmpc);
818 return strc < cmpc ? -1 : 1;
823 return 0; /* Matched len bytes */
825 return u_strncasecmp(str,cmp,len);
828 /*********************************************************************
831 unsigned char * CDECL _mbscat( unsigned char *dst, const unsigned char *src )
833 strcat( (char *)dst, (const char *)src );
837 /*********************************************************************
840 unsigned char* CDECL _mbscpy( unsigned char *dst, const unsigned char *src )
842 strcpy( (char *)dst, (const char *)src );
846 /*********************************************************************
849 unsigned char * CDECL _mbsstr(const unsigned char *haystack, const unsigned char *needle)
851 return (unsigned char *)strstr( (const char *)haystack, (const char *)needle );
854 /*********************************************************************
857 * Find a multibyte character in a multibyte string.
859 unsigned char* CDECL _mbschr(const unsigned char* s, unsigned int x)
861 if(MSVCRT___mb_cur_max > 1)
868 return (unsigned char*)s;
871 s += c > 255 ? 2 : 1;
874 return u_strchr(s, x); /* ASCII CP */
877 /*********************************************************************
880 unsigned char* CDECL _mbsrchr(const unsigned char* s, unsigned int x)
882 if(MSVCRT___mb_cur_max > 1)
885 unsigned char* match=NULL;
891 match=(unsigned char*)s;
894 s +=(c > 255) ? 2 : 1;
897 return u_strrchr(s, x);
900 /*********************************************************************
903 * Find and extract tokens from strings
905 unsigned char* CDECL _mbstok(unsigned char *str, const unsigned char *delim)
907 thread_data_t *data = msvcrt_get_thread_data();
910 if(MSVCRT___mb_cur_max > 1)
915 if (!(str = data->mbstok_next)) return NULL;
917 while ((c = _mbsnextc(str)) && _mbschr(delim, c)) {
918 str += c > 255 ? 2 : 1;
920 if (!*str) return NULL;
922 while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) {
923 str += c > 255 ? 2 : 1;
927 if (c > 255) *str++ = 0;
929 data->mbstok_next = str;
932 return u_strtok(str, delim); /* ASCII CP */
935 /*********************************************************************
938 int CDECL MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
940 /* temp var needed because MultiByteToWideChar wants non NULL destination */
941 MSVCRT_wchar_t tmpdst = '\0';
945 if(!MultiByteToWideChar(CP_ACP, 0, str, n, &tmpdst, 1))
949 /* return the number of bytes from src that have been used */
952 if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1])
957 /*********************************************************************
958 * _mbbtombc(MSVCRT.@)
960 unsigned int CDECL _mbbtombc(unsigned int c)
962 if(MSVCRT___mb_cur_max > 1 &&
963 ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf)))
965 /* FIXME: I can't get this function to return anything
966 * different from what I pass it...
969 return c; /* ASCII CP or no MB char */
972 /*********************************************************************
975 int CDECL _mbbtype(unsigned char c, int type)
979 if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
981 else if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc))
988 if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
990 else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc))
997 /*********************************************************************
998 * _ismbbkana(MSVCRT.@)
1000 int CDECL _ismbbkana(unsigned int c)
1002 /* FIXME: use lc_ctype when supported, not lc_all */
1003 if(MSVCRT___lc_codepage == 932)
1005 /* Japanese/Katakana, CP 932 */
1006 return (c >= 0xa1 && c <= 0xdf);
1011 /*********************************************************************
1012 * _ismbcdigit(MSVCRT.@)
1014 int CDECL _ismbcdigit(unsigned int ch)
1016 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1017 return (get_char_typeW( wch ) & C1_DIGIT);
1020 /*********************************************************************
1021 * _ismbcgraph(MSVCRT.@)
1023 int CDECL _ismbcgraph(unsigned int ch)
1025 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1026 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
1029 /*********************************************************************
1030 * _ismbcalpha (MSVCRT.@)
1032 int CDECL _ismbcalpha(unsigned int ch)
1034 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1035 return (get_char_typeW( wch ) & C1_ALPHA);
1038 /*********************************************************************
1039 * _ismbclower (MSVCRT.@)
1041 int CDECL _ismbclower(unsigned int ch)
1043 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1044 return (get_char_typeW( wch ) & C1_UPPER);
1047 /*********************************************************************
1048 * _ismbcupper (MSVCRT.@)
1050 int CDECL _ismbcupper(unsigned int ch)
1052 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1053 return (get_char_typeW( wch ) & C1_LOWER);
1056 /*********************************************************************
1057 * _ismbcsymbol(MSVCRT.@)
1059 int CDECL _ismbcsymbol(unsigned int ch)
1061 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1063 if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
1065 WARN("GetStringTypeW failed on %x\n", ch);
1068 return ((ctype & C3_SYMBOL) != 0);
1071 /*********************************************************************
1072 * _ismbcalnum (MSVCRT.@)
1074 int CDECL _ismbcalnum(unsigned int ch)
1076 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1077 return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
1080 /*********************************************************************
1081 * _ismbcspace (MSVCRT.@)
1083 int CDECL _ismbcspace(unsigned int ch)
1085 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1086 return (get_char_typeW( wch ) & C1_SPACE);
1089 /*********************************************************************
1090 * _ismbcprint (MSVCRT.@)
1092 int CDECL _ismbcprint(unsigned int ch)
1094 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1095 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
1098 /*********************************************************************
1099 * _ismbcpunct(MSVCRT.@)
1101 int CDECL _ismbcpunct(unsigned int ch)
1103 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1104 return (get_char_typeW( wch ) & C1_PUNCT);
1107 /*********************************************************************
1108 * _ismbchira(MSVCRT.@)
1110 int CDECL _ismbchira(unsigned int c)
1112 /* FIXME: use lc_ctype when supported, not lc_all */
1113 if(MSVCRT___lc_codepage == 932)
1115 /* Japanese/Hiragana, CP 932 */
1116 return (c >= 0x829f && c <= 0x82f1);
1121 /*********************************************************************
1122 * _ismbckata(MSVCRT.@)
1124 int CDECL _ismbckata(unsigned int c)
1126 /* FIXME: use lc_ctype when supported, not lc_all */
1127 if(MSVCRT___lc_codepage == 932)
1130 return _ismbbkana(c);
1131 /* Japanese/Katakana, CP 932 */
1132 return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
1137 /*********************************************************************
1138 * _ismbblead(MSVCRT.@)
1140 int CDECL _ismbblead(unsigned int c)
1142 return (MSVCRT_mbctype[(c&0xff) + 1] & _M1) != 0;
1146 /*********************************************************************
1147 * _ismbbtrail(MSVCRT.@)
1149 int CDECL _ismbbtrail(unsigned int c)
1151 return (MSVCRT_mbctype[(c&0xff) + 1] & _M2) != 0;
1154 /*********************************************************************
1155 * _ismbslead(MSVCRT.@)
1157 int CDECL _ismbslead(const unsigned char* start, const unsigned char* str)
1161 if(!g_mbcp_is_multibyte)
1164 /* Lead bytes can also be trail bytes so we need to analyse the string
1166 while (start <= str)
1170 lead = !lead && _ismbblead(*start);
1174 return lead ? -1 : 0;
1177 /*********************************************************************
1178 * _ismbstrail(MSVCRT.@)
1180 int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
1182 /* Note: this function doesn't check _ismbbtrail */
1183 if ((str > start) && _ismbslead(start, str-1))
1189 /*********************************************************************
1190 * _mbsbtype (MSVCRT.@)
1192 int CDECL _mbsbtype(const unsigned char *str, MSVCRT_size_t count)
1195 const unsigned char *end = str + count;
1196 int mbcp = g_mbcp_is_multibyte;
1198 /* Lead bytes can also be trail bytes so we need to analyse the string.
1199 * Also we must return _MBC_ILLEGAL for chars past the end of the string
1201 while (str < end) /* Note: we skip the last byte - will check after the loop */
1204 return _MBC_ILLEGAL;
1205 lead = mbcp && !lead && _ismbblead(*str);
1210 if (_ismbbtrail(*str))
1213 return _MBC_ILLEGAL;
1215 if (_ismbblead(*str))
1221 /*********************************************************************
1224 unsigned char* CDECL _mbsset(unsigned char* str, unsigned int c)
1226 unsigned char* ret = str;
1228 if(MSVCRT___mb_cur_max == 1 || c < 256)
1229 return u__strset(str, c); /* ASCII CP or SB char */
1231 c &= 0xffff; /* Strip high bits */
1233 while(str[0] && str[1])
1239 str[0] = '\0'; /* FIXME: OK to shorten? */
1244 /*********************************************************************
1245 * _mbsnbset(MSVCRT.@)
1247 unsigned char* CDECL _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
1249 unsigned char *ret = str;
1254 if(MSVCRT___mb_cur_max == 1 || c < 256)
1255 return u__strnset(str, c, len); /* ASCII CP or SB char */
1257 c &= 0xffff; /* Strip high bits */
1259 while(str[0] && str[1] && (len > 1))
1267 /* as per msdn pad with a blank character */
1274 /*********************************************************************
1275 * _mbsnset(MSVCRT.@)
1277 unsigned char* CDECL _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
1279 unsigned char *ret = str;
1284 if(MSVCRT___mb_cur_max == 1 || c < 256)
1285 return u__strnset(str, c, len); /* ASCII CP or SB char */
1287 c &= 0xffff; /* Strip high bits */
1289 while(str[0] && str[1] && len--)
1295 str[0] = '\0'; /* FIXME: OK to shorten? */
1300 /*********************************************************************
1301 * _mbsnccnt(MSVCRT.@)
1302 * 'c' is for 'character'.
1304 MSVCRT_size_t CDECL _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
1307 if(MSVCRT___mb_cur_max > 1)
1310 while(*str && len-- > 0)
1312 if(MSVCRT_isleadbyte(*str))
1325 return min(ret, len); /* ASCII CP */
1328 /*********************************************************************
1329 * _mbsnbcnt(MSVCRT.@)
1330 * 'b' is for byte count.
1332 MSVCRT_size_t CDECL _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
1335 if(MSVCRT___mb_cur_max > 1)
1337 const unsigned char* xstr = str;
1338 while(*xstr && len-- > 0)
1340 if (MSVCRT_isleadbyte(*xstr++))
1346 return min(ret, len); /* ASCII CP */
1349 /*********************************************************************
1350 * _mbsnbcat(MSVCRT.@)
1352 unsigned char* CDECL _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1354 if(MSVCRT___mb_cur_max > 1)
1356 unsigned char *res = dst;
1358 if (MSVCRT_isleadbyte(*dst++)) {
1362 /* as per msdn overwrite the lead byte in front of '\0' */
1368 while (*src && len--) *dst++ = *src++;
1372 return u_strncat(dst, src, len); /* ASCII CP */
1376 /*********************************************************************
1377 * _mbsncat(MSVCRT.@)
1379 unsigned char* CDECL _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1381 if(MSVCRT___mb_cur_max > 1)
1383 unsigned char *res = dst;
1386 if (MSVCRT_isleadbyte(*dst++))
1389 while (*src && len--)
1392 if(MSVCRT_isleadbyte(*src++))
1398 return u_strncat(dst, src, len); /* ASCII CP */
1402 /*********************************************************************
1405 unsigned char* CDECL _mbslwr(unsigned char* s)
1407 unsigned char *ret = s;
1410 if (MSVCRT___mb_cur_max > 1)
1415 c = _mbctolower(_mbsnextc(s));
1416 /* Note that I assume that the size of the character is unchanged */
1425 else for ( ; *s; s++) *s = tolower(*s);
1430 /*********************************************************************
1433 unsigned char* CDECL _mbsupr(unsigned char* s)
1435 unsigned char *ret = s;
1438 if (MSVCRT___mb_cur_max > 1)
1443 c = _mbctoupper(_mbsnextc(s));
1444 /* Note that I assume that the size of the character is unchanged */
1453 else for ( ; *s; s++) *s = toupper(*s);
1458 /*********************************************************************
1459 * _mbsspn (MSVCRT.@)
1461 MSVCRT_size_t CDECL _mbsspn(const unsigned char* string, const unsigned char* set)
1463 const unsigned char *p, *q;
1465 for (p = string; *p; p++)
1467 if (MSVCRT_isleadbyte(*p))
1469 for (q = set; *q; q++)
1473 if ((*p == *q) && (p[1] == q[1]))
1477 if (!q[0] || !q[1]) break;
1481 for (q = set; *q; q++)
1490 /*********************************************************************
1491 * _mbsspnp (MSVCRT.@)
1493 unsigned char* CDECL _mbsspnp(const unsigned char* string, const unsigned char* set)
1495 const unsigned char *p, *q;
1497 for (p = string; *p; p++)
1499 if (MSVCRT_isleadbyte(*p))
1501 for (q = set; *q; q++)
1505 if ((*p == *q) && (p[1] == q[1]))
1509 if (!q[0] || !q[1]) break;
1513 for (q = set; *q; q++)
1521 return (unsigned char *)p;
1524 /*********************************************************************
1525 * _mbscspn(MSVCRT.@)
1527 MSVCRT_size_t CDECL _mbscspn(const unsigned char* str, const unsigned char* cmp)
1529 if (MSVCRT___mb_cur_max > 1)
1530 FIXME("don't handle double character case\n");
1531 return u_strcspn(str, cmp);
1534 /*********************************************************************
1535 * _mbsrev (MSVCRT.@)
1537 unsigned char* CDECL _mbsrev(unsigned char* str)
1539 int i, len = _mbslen(str);
1540 unsigned char *p, *temp=MSVCRT_malloc(len*2);
1545 /* unpack multibyte string to temp buffer */
1547 for(i=0; i<len; i++)
1549 if (MSVCRT_isleadbyte(*p))
1561 /* repack it in the reverse order */
1563 for(i=len-1; i>=0; i--)
1565 if(MSVCRT_isleadbyte(temp[i*2]))
1581 /*********************************************************************
1582 * _mbspbrk (MSVCRT.@)
1584 unsigned char* CDECL _mbspbrk(const unsigned char* str, const unsigned char* accept)
1586 const unsigned char* p;
1590 for(p = accept; *p; p += (MSVCRT_isleadbyte(*p)?2:1) )
1593 if( !MSVCRT_isleadbyte(*p) || ( *(p+1) == *(str+1) ) )
1594 return (unsigned char*)str;
1596 str += (MSVCRT_isleadbyte(*str)?2:1);
1603 * Functions depending on locale codepage
1606 /*********************************************************************
1609 * Unlike most of the multibyte string functions this function uses
1610 * the locale codepage, not the codepage set by _setmbcp
1612 int CDECL MSVCRT_mblen(const char* str, MSVCRT_size_t size)
1614 if (str && *str && size)
1616 if(MSVCRT___mb_cur_max == 1)
1617 return 1; /* ASCII CP */
1619 return !MSVCRT_isleadbyte(*str) ? 1 : (size>1 ? 2 : -1);
1624 /*********************************************************************
1625 * _mbstrlen(MSVCRT.@)
1627 * Unlike most of the multibyte string functions this function uses
1628 * the locale codepage, not the codepage set by _setmbcp
1630 MSVCRT_size_t CDECL _mbstrlen(const char* str)
1632 if(MSVCRT___mb_cur_max > 1)
1634 MSVCRT_size_t len = 0;
1637 /* FIXME: According to the documentation we are supposed to test for
1638 * multi-byte character validity. Whatever that means
1640 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
1645 return strlen(str); /* ASCII CP */