/* * msvcrt.dll mbcs functions * * Copyright 1999 Alexandre Julliard * Copyright 2000 Jon Griffths * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * FIXME * Not currently binary compatible with win32. MSVCRT_mbctype must be * populated correctly and the ismb* functions should reference it. */ #include "msvcrt.h" #include "wine/unicode.h" #include "wine/debug.h" #include "msvcrt/mbctype.h" WINE_DEFAULT_DEBUG_CHANNEL(msvcrt); unsigned char MSVCRT_mbctype[257]; static int g_mbcp_is_multibyte = 0; int MSVCRT___mb_cur_max = 1; extern int MSVCRT___lc_collate_cp; /* It seems that the data about valid trail bytes is not available from kernel32 * so we have to store is here. The format is the same as for lead bytes in CPINFO */ struct cp_extra_info_t { int cp; BYTE TrailBytes[MAX_LEADBYTES]; }; static struct cp_extra_info_t g_cpextrainfo[] = { {932, {0x40, 0x7e, 0x80, 0xfc, 0, 0}}, {936, {0x40, 0xfe, 0, 0}}, {949, {0x41, 0xfe, 0, 0}}, {950, {0x40, 0x7e, 0xa1, 0xfe, 0, 0}}, {20932, {1, 255, 0, 0}}, /* seems to give different results on different systems */ {0, {1, 255, 0, 0}} /* match all with FIXME */ }; static MSVCRT_wchar_t msvcrt_mbc_to_wc(unsigned int ch) { MSVCRT_wchar_t chW; char mbch[2]; int n_chars; if (ch <= 0xff) { mbch[0] = ch; n_chars = 1; } else { mbch[0] = (ch >> 8) & 0xff; mbch[1] = ch & 0xff; n_chars = 2; } if (!MultiByteToWideChar(MSVCRT___lc_codepage, 0, mbch, n_chars, &chW, 1)) { WARN("MultiByteToWideChar failed on %x\n", ch); return 0; } return chW; } static inline size_t u_strlen( const unsigned char *str ) { return strlen( (const char*) str ); } static inline unsigned char* u_strncat( unsigned char* dst, const unsigned char* src, size_t len ) { return (unsigned char*)strncat( (char*)dst, (const char*)src, len); } static inline int u_strcmp( const unsigned char *s1, const unsigned char *s2 ) { return strcmp( (const char*)s1, (const char*)s2 ); } static inline int u_strcasecmp( const unsigned char *s1, const unsigned char *s2 ) { return strcasecmp( (const char*)s1, (const char*)s2 ); } static inline int u_strncmp( const unsigned char *s1, const unsigned char *s2, size_t len ) { return strncmp( (const char*)s1, (const char*)s2, len ); } static inline int u_strncasecmp( const unsigned char *s1, const unsigned char *s2, size_t len ) { return strncasecmp( (const char*)s1, (const char*)s2, len ); } static inline unsigned char *u_strchr( const unsigned char *s, unsigned char x ) { return (unsigned char*) strchr( (const char*)s, x ); } static inline unsigned char *u_strrchr( const unsigned char *s, unsigned char x ) { return (unsigned char*) strrchr( (const char*)s, x ); } static inline unsigned char *u_strtok( unsigned char *s, const unsigned char *delim ) { return (unsigned char*) strtok( (char*)s, (const char*)delim ); } static inline unsigned char *u__strset( unsigned char *s, unsigned char c ) { return (unsigned char*) _strset( (char*)s, c); } static inline unsigned char *u__strnset( unsigned char *s, unsigned char c, size_t len ) { return (unsigned char*) _strnset( (char*)s, c, len ); } static inline size_t u_strcspn( const unsigned char *s, const unsigned char *rej ) { return strcspn( (const char *)s, (const char*)rej ); } /********************************************************************* * __p__mbctype (MSVCRT.@) */ unsigned char* CDECL __p__mbctype(void) { return MSVCRT_mbctype; } /********************************************************************* * __p___mb_cur_max(MSVCRT.@) */ int* CDECL __p___mb_cur_max(void) { return &MSVCRT___mb_cur_max; } /********************************************************************* * _setmbcp (MSVCRT.@) */ int CDECL _setmbcp(int cp) { int newcp; CPINFO cpi; BYTE *bytes; WORD chartypes[256]; WORD *curr_type; char bufA[256]; WCHAR bufW[256]; int charcount; int ret; int i; switch (cp) { case _MB_CP_ANSI: newcp = GetACP(); break; case _MB_CP_OEM: newcp = GetOEMCP(); break; case _MB_CP_LOCALE: newcp = MSVCRT___lc_codepage; break; case _MB_CP_SBCS: newcp = 20127; /* ASCII */ break; default: newcp = cp; break; } if (!GetCPInfo(newcp, &cpi)) { WARN("Codepage %d not found\n", newcp); msvcrt_set_errno(MSVCRT_EINVAL); return -1; } /* setup the _mbctype */ memset(MSVCRT_mbctype, 0, sizeof(MSVCRT_mbctype)); bytes = cpi.LeadByte; while (bytes[0] || bytes[1]) { for (i = bytes[0]; i <= bytes[1]; i++) MSVCRT_mbctype[i + 1] |= _M1; bytes += 2; } if (cpi.MaxCharSize > 1) { /* trail bytes not available through kernel32 but stored in a structure in msvcrt */ struct cp_extra_info_t *cpextra = g_cpextrainfo; g_mbcp_is_multibyte = 1; while (TRUE) { if (cpextra->cp == 0 || cpextra->cp == newcp) { if (cpextra->cp == 0) FIXME("trail bytes data not available for DBCS codepage %d - assuming all bytes\n", newcp); bytes = cpextra->TrailBytes; while (bytes[0] || bytes[1]) { for (i = bytes[0]; i <= bytes[1]; i++) MSVCRT_mbctype[i + 1] |= _M2; bytes += 2; } break; } cpextra++; } } else g_mbcp_is_multibyte = 0; /* we can't use GetStringTypeA directly because we don't have a locale - only a code page */ charcount = 0; for (i = 0; i < 256; i++) if (!(MSVCRT_mbctype[i + 1] & _M1)) bufA[charcount++] = i; ret = MultiByteToWideChar(newcp, 0, bufA, charcount, bufW, charcount); if (ret != charcount) ERR("MultiByteToWideChar of chars failed for cp %d, ret=%d (exp %d), error=%d\n", newcp, ret, charcount, GetLastError()); GetStringTypeW(CT_CTYPE1, bufW, charcount, chartypes); curr_type = chartypes; for (i = 0; i < 256; i++) if (!(MSVCRT_mbctype[i + 1] & _M1)) { if ((*curr_type) & C1_UPPER) MSVCRT_mbctype[i + 1] |= _SBUP; if ((*curr_type) & C1_LOWER) MSVCRT_mbctype[i + 1] |= _SBLOW; curr_type++; } if (newcp == 932) /* CP932 only - set _MP and _MS */ { /* On Windows it's possible to calculate the _MP and _MS from CT_CTYPE1 * and CT_CTYPE3. But as of Wine 0.9.43 we return wrong values what makes * it hard. As this is set only for codepage 932 we hardcode it what gives * also faster execution. */ for (i = 161; i <= 165; i++) MSVCRT_mbctype[i + 1] |= _MP; for (i = 166; i <= 223; i++) MSVCRT_mbctype[i + 1] |= _MS; } MSVCRT___lc_collate_cp = MSVCRT___lc_codepage = newcp; TRACE("(%d) -> %d\n", cp, MSVCRT___lc_codepage); return 0; } /********************************************************************* * _getmbcp (MSVCRT.@) */ int CDECL _getmbcp(void) { return MSVCRT___lc_codepage; } /********************************************************************* * _mbsnextc(MSVCRT.@) */ unsigned int CDECL _mbsnextc(const unsigned char* str) { if(_ismbblead(*str)) return *str << 8 | str[1]; return *str; } /********************************************************************* * _mbctolower(MSVCRT.@) */ unsigned int CDECL _mbctolower(unsigned int c) { if (MSVCRT_isleadbyte(c)) { FIXME("Handle MBC chars\n"); return c; } return tolower(c); /* ASCII CP or SB char */ } /********************************************************************* * _mbctoupper(MSVCRT.@) */ unsigned int CDECL _mbctoupper(unsigned int c) { if (MSVCRT_isleadbyte(c)) { FIXME("Handle MBC chars\n"); return c; } return toupper(c); /* ASCII CP or SB char */ } /********************************************************************* * _mbsdec(MSVCRT.@) */ unsigned char* CDECL _mbsdec(const unsigned char* start, const unsigned char* cur) { if(MSVCRT___mb_cur_max > 1) return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1); return (unsigned char *)cur - 1; /* ASCII CP or SB char */ } /********************************************************************* * _mbclen(MSVCRT.@) */ unsigned int CDECL _mbclen(const unsigned char* str) { return _ismbblead(*str) ? 2 : 1; } /********************************************************************* * _mbsinc(MSVCRT.@) */ unsigned char* CDECL _mbsinc(const unsigned char* str) { return (unsigned char *)(str + _mbclen(str)); } /********************************************************************* * _mbsninc(MSVCRT.@) */ unsigned char* CDECL _mbsninc(const unsigned char* str, MSVCRT_size_t num) { if(!str) return NULL; while (num > 0 && *str) { if (_ismbblead(*str)) { if (!*(str+1)) break; str++; } str++; num--; } return (unsigned char*)str; } /********************************************************************* * _mbslen(MSVCRT.@) */ MSVCRT_size_t CDECL _mbslen(const unsigned char* str) { MSVCRT_size_t len = 0; while(*str) { if (_ismbblead(*str)) { str++; if (!*str) /* count only full chars */ break; } str++; len++; } return len; } /********************************************************************* * _mbccpy(MSVCRT.@) */ void CDECL _mbccpy(unsigned char* dest, const unsigned char* src) { *dest = *src; if(_ismbblead(*src)) *++dest = *++src; /* MB char */ } /********************************************************************* * _mbsncpy(MSVCRT.@) * REMARKS * The parameter n is the number or characters to copy, not the size of * the buffer. Use _mbsnbcpy for a function analogical to strncpy */ unsigned char* CDECL _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n) { unsigned char* ret = dst; if(!n) return dst; if (g_mbcp_is_multibyte) { while (*src && n) { n--; if (_ismbblead(*src)) { if (!*(src+1)) { *dst++ = 0; *dst++ = 0; break; } *dst++ = *src++; } *dst++ = *src++; } } else { while (n) { n--; if (!(*dst++ = *src++)) break; } } while (n--) *dst++ = 0; return ret; } /********************************************************************* * _mbsnbcpy(MSVCRT.@) * REMARKS * Like strncpy this function doesn't enforce the string to be * NUL-terminated */ unsigned char* CDECL _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n) { unsigned char* ret = dst; if(!n) return dst; if(g_mbcp_is_multibyte) { int is_lead = 0; while (*src && n) { is_lead = (!is_lead && _ismbblead(*src)); n--; *dst++ = *src++; } if (is_lead) /* if string ends with a lead, remove it */ *(dst - 1) = 0; } else { while (n) { n--; if (!(*dst++ = *src++)) break; } } while (n--) *dst++ = 0; return ret; } /********************************************************************* * _mbscmp(MSVCRT.@) */ int CDECL _mbscmp(const unsigned char* str, const unsigned char* cmp) { if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; do { if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; strc = _mbsnextc(str); cmpc = _mbsnextc(cmp); if(strc != cmpc) return strc < cmpc ? -1 : 1; str +=(strc > 255) ? 2 : 1; cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */ } while(1); } return u_strcmp(str, cmp); /* ASCII CP */ } /********************************************************************* * _mbsicoll(MSVCRT.@) * FIXME: handle locales. */ int CDECL _mbsicoll(const unsigned char* str, const unsigned char* cmp) { if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; do { if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; strc = _mbctolower(_mbsnextc(str)); cmpc = _mbctolower(_mbsnextc(cmp)); if(strc != cmpc) return strc < cmpc ? -1 : 1; str +=(strc > 255) ? 2 : 1; cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */ } while(1); } return u_strcasecmp(str, cmp); /* ASCII CP */ } /********************************************************************* * _mbscoll(MSVCRT.@) * Performs a case-sensitive comparison according to the current code page * RETURN * _NLSCMPERROR if error * FIXME: handle locales. */ int CDECL _mbscoll(const unsigned char* str, const unsigned char* cmp) { if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; do { if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; strc = _mbsnextc(str); cmpc = _mbsnextc(cmp); if(strc != cmpc) return strc < cmpc ? -1 : 1; str +=(strc > 255) ? 2 : 1; cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */ } while(1); } return u_strcmp(str, cmp); /* ASCII CP */ } /********************************************************************* * _mbsicmp(MSVCRT.@) */ int CDECL _mbsicmp(const unsigned char* str, const unsigned char* cmp) { if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; do { if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; strc = _mbctolower(_mbsnextc(str)); cmpc = _mbctolower(_mbsnextc(cmp)); if(strc != cmpc) return strc < cmpc ? -1 : 1; str +=(strc > 255) ? 2 : 1; cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */ } while(1); } return u_strcasecmp(str, cmp); /* ASCII CP */ } /********************************************************************* * _mbsncmp(MSVCRT.@) */ int CDECL _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len) { if(!len) return 0; if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; while(len--) { int inc; if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; strc = _mbsnextc(str); cmpc = _mbsnextc(cmp); if(strc != cmpc) return strc < cmpc ? -1 : 1; inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */ str += inc; cmp += inc; } return 0; /* Matched len chars */ } return u_strncmp(str, cmp, len); /* ASCII CP */ } /********************************************************************* * _mbsnbcmp(MSVCRT.@) */ int CDECL _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len) { if (!len) return 0; if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; while (len) { int clen; if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; if (MSVCRT_isleadbyte(*str)) { strc=(len>=2)?_mbsnextc(str):0; clen=2; } else { strc=*str; clen=1; } if (MSVCRT_isleadbyte(*cmp)) cmpc=(len>=2)?_mbsnextc(cmp):0; else cmpc=*str; if(strc != cmpc) return strc < cmpc ? -1 : 1; len -= clen; str += clen; cmp += clen; } return 0; /* Matched len chars */ } return u_strncmp(str,cmp,len); } /********************************************************************* * _mbsnicmp(MSVCRT.@) * * Compare two multibyte strings case insensitively to 'len' characters. */ int CDECL _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len) { /* FIXME: No tolower() for mb strings yet */ if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; while(len--) { if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; strc = _mbctolower(_mbsnextc(str)); cmpc = _mbctolower(_mbsnextc(cmp)); if(strc != cmpc) return strc < cmpc ? -1 : 1; str +=(strc > 255) ? 2 : 1; cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */ } return 0; /* Matched len chars */ } return u_strncasecmp(str, cmp, len); /* ASCII CP */ } /********************************************************************* * _mbsnbicmp(MSVCRT.@) */ int CDECL _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len) { if (!len) return 0; if(MSVCRT___mb_cur_max > 1) { unsigned int strc, cmpc; while (len) { int clen; if(!*str) return *cmp ? -1 : 0; if(!*cmp) return 1; if (MSVCRT_isleadbyte(*str)) { strc=(len>=2)?_mbsnextc(str):0; clen=2; } else { strc=*str; clen=1; } if (MSVCRT_isleadbyte(*cmp)) cmpc=(len>=2)?_mbsnextc(cmp):0; else cmpc=*str; strc = _mbctolower(strc); cmpc = _mbctolower(cmpc); if(strc != cmpc) return strc < cmpc ? -1 : 1; len -= clen; str += clen; cmp += clen; } return 0; /* Matched len bytes */ } return u_strncasecmp(str,cmp,len); } /********************************************************************* * _mbscat (MSVCRT.@) */ unsigned char * CDECL _mbscat( unsigned char *dst, const unsigned char *src ) { strcat( (char *)dst, (const char *)src ); return dst; } /********************************************************************* * _mbscpy (MSVCRT.@) */ unsigned char* CDECL _mbscpy( unsigned char *dst, const unsigned char *src ) { strcpy( (char *)dst, (const char *)src ); return dst; } /********************************************************************* * _mbsstr (MSVCRT.@) */ unsigned char * CDECL _mbsstr(const unsigned char *haystack, const unsigned char *needle) { return (unsigned char *)strstr( (const char *)haystack, (const char *)needle ); } /********************************************************************* * _mbschr(MSVCRT.@) * * Find a multibyte character in a multibyte string. */ unsigned char* CDECL _mbschr(const unsigned char* s, unsigned int x) { if(MSVCRT___mb_cur_max > 1) { unsigned int c; while (1) { c = _mbsnextc(s); if (c == x) return (unsigned char*)s; if (!c) return NULL; s += c > 255 ? 2 : 1; } } return u_strchr(s, x); /* ASCII CP */ } /********************************************************************* * _mbsrchr(MSVCRT.@) */ unsigned char* CDECL _mbsrchr(const unsigned char* s, unsigned int x) { if(MSVCRT___mb_cur_max > 1) { unsigned int c; unsigned char* match=NULL; if(!s) return NULL; while (1) { c = _mbsnextc(s); if (c == x) match=(unsigned char*)s; if (!c) return match; s +=(c > 255) ? 2 : 1; } } return u_strrchr(s, x); } /********************************************************************* * _mbstok(MSVCRT.@) * * Find and extract tokens from strings */ unsigned char* CDECL _mbstok(unsigned char *str, const unsigned char *delim) { thread_data_t *data = msvcrt_get_thread_data(); unsigned char *ret; if(MSVCRT___mb_cur_max > 1) { unsigned int c; if (!str) if (!(str = data->mbstok_next)) return NULL; while ((c = _mbsnextc(str)) && _mbschr(delim, c)) { str += c > 255 ? 2 : 1; } if (!*str) return NULL; ret = str++; while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) { str += c > 255 ? 2 : 1; } if (*str) { *str++ = 0; if (c > 255) *str++ = 0; } data->mbstok_next = str; return ret; } return u_strtok(str, delim); /* ASCII CP */ } /********************************************************************* * mbtowc(MSVCRT.@) */ int CDECL MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n) { /* temp var needed because MultiByteToWideChar wants non NULL destination */ MSVCRT_wchar_t tmpdst = '\0'; if(n <= 0 || !str) return 0; if(!MultiByteToWideChar(CP_ACP, 0, str, n, &tmpdst, 1)) return -1; if(dst) *dst = tmpdst; /* return the number of bytes from src that have been used */ if(!*str) return 0; if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1]) return 2; return 1; } /********************************************************************* * _mbbtombc(MSVCRT.@) */ unsigned int CDECL _mbbtombc(unsigned int c) { if(MSVCRT___mb_cur_max > 1 && ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf))) { /* FIXME: I can't get this function to return anything * different from what I pass it... */ } return c; /* ASCII CP or no MB char */ } /********************************************************************* * _mbbtype(MSVCRT.@) */ int CDECL _mbbtype(unsigned char c, int type) { if (type == 1) { if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf)) return _MBC_SINGLE; else if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc)) return _MBC_TRAIL; else return _MBC_ILLEGAL; } else { if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf)) return _MBC_SINGLE; else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc)) return _MBC_LEAD; else return _MBC_ILLEGAL; } } /********************************************************************* * _ismbbkana(MSVCRT.@) */ int CDECL _ismbbkana(unsigned int c) { /* FIXME: use lc_ctype when supported, not lc_all */ if(MSVCRT___lc_codepage == 932) { /* Japanese/Katakana, CP 932 */ return (c >= 0xa1 && c <= 0xdf); } return 0; } /********************************************************************* * _ismbcdigit(MSVCRT.@) */ int CDECL _ismbcdigit(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & C1_DIGIT); } /********************************************************************* * _ismbcgraph(MSVCRT.@) */ int CDECL _ismbcgraph(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA)); } /********************************************************************* * _ismbcalpha (MSVCRT.@) */ int CDECL _ismbcalpha(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & C1_ALPHA); } /********************************************************************* * _ismbclower (MSVCRT.@) */ int CDECL _ismbclower(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & C1_UPPER); } /********************************************************************* * _ismbcupper (MSVCRT.@) */ int CDECL _ismbcupper(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & C1_LOWER); } /********************************************************************* * _ismbcsymbol(MSVCRT.@) */ int CDECL _ismbcsymbol(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); WORD ctype; if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype)) { WARN("GetStringTypeW failed on %x\n", ch); return 0; } return ((ctype & C3_SYMBOL) != 0); } /********************************************************************* * _ismbcalnum (MSVCRT.@) */ int CDECL _ismbcalnum(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT)); } /********************************************************************* * _ismbcspace (MSVCRT.@) */ int CDECL _ismbcspace(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & C1_SPACE); } /********************************************************************* * _ismbcprint (MSVCRT.@) */ int CDECL _ismbcprint(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE)); } /********************************************************************* * _ismbcpunct(MSVCRT.@) */ int CDECL _ismbcpunct(unsigned int ch) { MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch ); return (get_char_typeW( wch ) & C1_PUNCT); } /********************************************************************* * _ismbchira(MSVCRT.@) */ int CDECL _ismbchira(unsigned int c) { /* FIXME: use lc_ctype when supported, not lc_all */ if(MSVCRT___lc_codepage == 932) { /* Japanese/Hiragana, CP 932 */ return (c >= 0x829f && c <= 0x82f1); } return 0; } /********************************************************************* * _ismbckata(MSVCRT.@) */ int CDECL _ismbckata(unsigned int c) { /* FIXME: use lc_ctype when supported, not lc_all */ if(MSVCRT___lc_codepage == 932) { if(c < 256) return _ismbbkana(c); /* Japanese/Katakana, CP 932 */ return (c >= 0x8340 && c <= 0x8396 && c != 0x837f); } return 0; } /********************************************************************* * _ismbblead(MSVCRT.@) */ int CDECL _ismbblead(unsigned int c) { return (MSVCRT_mbctype[(c&0xff) + 1] & _M1) != 0; } /********************************************************************* * _ismbbtrail(MSVCRT.@) */ int CDECL _ismbbtrail(unsigned int c) { return (MSVCRT_mbctype[(c&0xff) + 1] & _M2) != 0; } /********************************************************************* * _ismbslead(MSVCRT.@) */ int CDECL _ismbslead(const unsigned char* start, const unsigned char* str) { int lead = 0; if(!g_mbcp_is_multibyte) return 0; /* Lead bytes can also be trail bytes so we need to analise the string */ while (start <= str) { if (!*start) return 0; lead = !lead && _ismbblead(*start); start++; } return lead ? -1 : 0; } /********************************************************************* * _ismbstrail(MSVCRT.@) */ int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str) { /* Note: this function doesn't check _ismbbtrail */ if ((str > start) && _ismbslead(start, str-1)) return -1; else return 0; } /********************************************************************* * _mbsbtype (MSVCRT.@) */ int CDECL _mbsbtype(const unsigned char *str, MSVCRT_size_t count) { int lead = 0; const unsigned char *end = str + count; int mbcp = g_mbcp_is_multibyte; /* Lead bytes can also be trail bytes so we need to analyse the string. * Also we must return _MBC_ILLEGAL for chars past the end of the string */ while (str < end) /* Note: we skip the last byte - will check after the loop */ { if (!*str) return _MBC_ILLEGAL; lead = mbcp && !lead && _ismbblead(*str); str++; } if (lead) if (_ismbbtrail(*str)) return _MBC_TRAIL; else return _MBC_ILLEGAL; else if (_ismbblead(*str)) return _MBC_LEAD; else return _MBC_SINGLE; } /********************************************************************* * _mbsset(MSVCRT.@) */ unsigned char* CDECL _mbsset(unsigned char* str, unsigned int c) { unsigned char* ret = str; if(MSVCRT___mb_cur_max == 1 || c < 256) return u__strset(str, c); /* ASCII CP or SB char */ c &= 0xffff; /* Strip high bits */ while(str[0] && str[1]) { *str++ = c >> 8; *str++ = c & 0xff; } if(str[0]) str[0] = '\0'; /* FIXME: OK to shorten? */ return ret; } /********************************************************************* * _mbsnbset(MSVCRT.@) */ unsigned char* CDECL _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len) { unsigned char *ret = str; if(!len) return ret; if(MSVCRT___mb_cur_max == 1 || c < 256) return u__strnset(str, c, len); /* ASCII CP or SB char */ c &= 0xffff; /* Strip high bits */ while(str[0] && str[1] && (len > 1)) { *str++ = c >> 8; len--; *str++ = c & 0xff; len--; } if(len && str[0]) { /* as per msdn pad with a blank character */ str[0] = ' '; } return ret; } /********************************************************************* * _mbsnset(MSVCRT.@) */ unsigned char* CDECL _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len) { unsigned char *ret = str; if(!len) return ret; if(MSVCRT___mb_cur_max == 1 || c < 256) return u__strnset(str, c, len); /* ASCII CP or SB char */ c &= 0xffff; /* Strip high bits */ while(str[0] && str[1] && len--) { *str++ = c >> 8; *str++ = c & 0xff; } if(len && str[0]) str[0] = '\0'; /* FIXME: OK to shorten? */ return ret; } /********************************************************************* * _mbsnccnt(MSVCRT.@) * 'c' is for 'character'. */ MSVCRT_size_t CDECL _mbsnccnt(const unsigned char* str, MSVCRT_size_t len) { MSVCRT_size_t ret; if(MSVCRT___mb_cur_max > 1) { ret=0; while(*str && len-- > 0) { if(MSVCRT_isleadbyte(*str)) { if (!len) break; len--; str++; } str++; ret++; } return ret; } ret=u_strlen(str); return min(ret, len); /* ASCII CP */ } /********************************************************************* * _mbsnbcnt(MSVCRT.@) * 'b' is for byte count. */ MSVCRT_size_t CDECL _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len) { MSVCRT_size_t ret; if(MSVCRT___mb_cur_max > 1) { const unsigned char* xstr = str; while(*xstr && len-- > 0) { if (MSVCRT_isleadbyte(*xstr++)) xstr++; } return xstr-str; } ret=u_strlen(str); return min(ret, len); /* ASCII CP */ } /********************************************************************* * _mbsnbcat(MSVCRT.@) */ unsigned char* CDECL _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len) { if(MSVCRT___mb_cur_max > 1) { unsigned char *res = dst; while (*dst) { if (MSVCRT_isleadbyte(*dst++)) { if (*dst) { dst++; } else { /* as per msdn overwrite the lead byte in front of '\0' */ dst--; break; } } } while (*src && len--) *dst++ = *src++; *dst = '\0'; return res; } return u_strncat(dst, src, len); /* ASCII CP */ } /********************************************************************* * _mbsncat(MSVCRT.@) */ unsigned char* CDECL _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len) { if(MSVCRT___mb_cur_max > 1) { unsigned char *res = dst; while (*dst) { if (MSVCRT_isleadbyte(*dst++)) dst++; } while (*src && len--) { *dst++ = *src; if(MSVCRT_isleadbyte(*src++)) *dst++ = *src++; } *dst = '\0'; return res; } return u_strncat(dst, src, len); /* ASCII CP */ } /********************************************************************* * _mbslwr(MSVCRT.@) */ unsigned char* CDECL _mbslwr(unsigned char* s) { unsigned char *ret = s; if (!s) return NULL; if (MSVCRT___mb_cur_max > 1) { unsigned int c; while (*s) { c = _mbctolower(_mbsnextc(s)); /* Note that I assume that the size of the character is unchanged */ if (c > 255) { *s++=(c>>8); c=c & 0xff; } *s++=c; } } else for ( ; *s; s++) *s = tolower(*s); return ret; } /********************************************************************* * _mbsupr(MSVCRT.@) */ unsigned char* CDECL _mbsupr(unsigned char* s) { unsigned char *ret = s; if (!s) return NULL; if (MSVCRT___mb_cur_max > 1) { unsigned int c; while (*s) { c = _mbctoupper(_mbsnextc(s)); /* Note that I assume that the size of the character is unchanged */ if (c > 255) { *s++=(c>>8); c=c & 0xff; } *s++=c; } } else for ( ; *s; s++) *s = toupper(*s); return ret; } /********************************************************************* * _mbsspn (MSVCRT.@) */ MSVCRT_size_t CDECL _mbsspn(const unsigned char* string, const unsigned char* set) { const unsigned char *p, *q; for (p = string; *p; p++) { if (MSVCRT_isleadbyte(*p)) { for (q = set; *q; q++) { if (!q[1]) break; if ((*p == *q) && (p[1] == q[1])) break; q++; } if (!q[0] || !q[1]) break; } else { for (q = set; *q; q++) if (*p == *q) break; if (!*q) break; } } return p - string; } /********************************************************************* * _mbsspnp (MSVCRT.@) */ unsigned char* CDECL _mbsspnp(const unsigned char* string, const unsigned char* set) { const unsigned char *p, *q; for (p = string; *p; p++) { if (MSVCRT_isleadbyte(*p)) { for (q = set; *q; q++) { if (!q[1]) break; if ((*p == *q) && (p[1] == q[1])) break; q++; } if (!q[0] || !q[1]) break; } else { for (q = set; *q; q++) if (*p == *q) break; if (!*q) break; } } if (*p == '\0') return NULL; return (unsigned char *)p; } /********************************************************************* * _mbscspn(MSVCRT.@) */ MSVCRT_size_t CDECL _mbscspn(const unsigned char* str, const unsigned char* cmp) { if (MSVCRT___mb_cur_max > 1) FIXME("don't handle double character case\n"); return u_strcspn(str, cmp); } /********************************************************************* * _mbsrev (MSVCRT.@) */ unsigned char* CDECL _mbsrev(unsigned char* str) { int i, len = _mbslen(str); unsigned char *p, *temp=MSVCRT_malloc(len*2); if(!temp) return str; /* unpack multibyte string to temp buffer */ p=str; for(i=0; i=0; i--) { if(MSVCRT_isleadbyte(temp[i*2])) { *p++=temp[i*2]; *p++=temp[i*2+1]; } else { *p++=temp[i*2]; } } MSVCRT_free(temp); return str; } /********************************************************************* * _mbspbrk (MSVCRT.@) */ unsigned char* CDECL _mbspbrk(const unsigned char* str, const unsigned char* accept) { const unsigned char* p; while(*str) { for(p = accept; *p; p += (MSVCRT_isleadbyte(*p)?2:1) ) { if (*p == *str) if( !MSVCRT_isleadbyte(*p) || ( *(p+1) == *(str+1) ) ) return (unsigned char*)str; } str += (MSVCRT_isleadbyte(*str)?2:1); } return NULL; } /* * Functions depending on locale codepage */ /********************************************************************* * mblen(MSVCRT.@) * REMARKS * Unlike most of the multibyte string functions this function uses * the locale codepage, not the codepage set by _setmbcp */ int CDECL MSVCRT_mblen(const char* str, MSVCRT_size_t size) { if (str && *str && size) { if(MSVCRT___mb_cur_max == 1) return 1; /* ASCII CP */ return !MSVCRT_isleadbyte(*str) ? 1 : (size>1 ? 2 : -1); } return 0; } /********************************************************************* * _mbstrlen(MSVCRT.@) * REMARKS * Unlike most of the multibyte string functions this function uses * the locale codepage, not the codepage set by _setmbcp */ MSVCRT_size_t CDECL _mbstrlen(const char* str) { if(MSVCRT___mb_cur_max > 1) { MSVCRT_size_t len = 0; while(*str) { /* FIXME: According to the documentation we are supposed to test for * multi-byte character validity. Whatever that means */ str += MSVCRT_isleadbyte(*str) ? 2 : 1; len++; } return len; } return strlen(str); /* ASCII CP */ }