dlls/msvcrt/mbcs.c

   1 /*
   2  * msvcrt.dll mbcs functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffths
   6  *
   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.
  11  *
  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.
  16  *
  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
  20  *
  21  * FIXME
  22  * Not currently binary compatible with win32. MSVCRT_mbctype must be
  23  * populated correctly and the ismb* functions should reference it.
  24  */
  25
  26 #include <stdio.h>
  27
  28 #include "msvcrt.h"
  29 #include "wine/unicode.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  33
  34 unsigned char MSVCRT_mbctype[257] = { 0 };
  35
  36 /* It seems that the data about valid trail bytes is not available from kernel32
  37  * so we have to store is here. The format is the same as for lead bytes in CPINFO */
  38 struct cp_extra_info_t
  39 {
  40     int cp;
  41     BYTE TrailBytes[MAX_LEADBYTES];
  42 };
  43
  44 static struct cp_extra_info_t g_cpextrainfo[] =
  45 {
  46     {932, {0x40, 0x7e, 0x80, 0xfc, 0, 0}},
  47     {936, {0x40, 0xfe, 0, 0}},
  48     {949, {0x41, 0xfe, 0, 0}},
  49     {950, {0x40, 0x7e, 0xa1, 0xfe, 0, 0}},
  50     {1361, {0x31, 0x7e, 0x81, 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 */
  53 };
  54
  55 /* Maps cp932 single byte character to multi byte character */
  56 static const unsigned char mbbtombc_932[] = {
  57   0x40,0x49,0x68,0x94,0x90,0x93,0x95,0x66,0x69,0x6a,0x96,0x7b,0x43,0x7c,0x44,0x5e,
  58   0x4f,0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x46,0x47,0x83,0x81,0x84,0x48,
  59   0x97,0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,
  60   0x6f,0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x6d,0x8f,0x6e,0x4f,0x76,
  61   0x77,0x78,0x79,0x6d,0x8f,0x6e,0x4f,0x51,0x65,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
  62   0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,0x95,0x50,
  63        0x42,0x75,0x76,0x41,0x45,0x92,0x40,0x42,0x44,0x46,0x48,0x83,0x85,0x87,0x62,
  64   0x5b,0x41,0x43,0x45,0x47,0x49,0x4a,0x4c,0x4e,0x50,0x52,0x54,0x56,0x58,0x5a,0x5c,
  65   0x5e,0x60,0x63,0x65,0x67,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x71,0x74,0x77,0x7a,0x7d,
  66   0x7e,0x80,0x81,0x82,0x84,0x86,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8f,0x93,0x4a,0x4b };
  67
  68 /* Maps multibyte cp932 punctuation marks to single byte equivalents */
  69 static const unsigned char mbctombb_932_punct[] = {
  70   0x20,0xa4,0xa1,0x2c,0x2e,0xa5,0x3a,0x3b,0x3f,0x21,0xde,0xdf,0x00,0x00,0x00,0x5e,
  71   0x7e,0x5f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x00,0x00,0x2f,0x00,
  72   0x00,0x00,0x7c,0x00,0x00,0x60,0x27,0x00,0x22,0x28,0x29,0x00,0x00,0x5b,0x5d,0x7b,
  73   0x7d,0x00,0x00,0x00,0x00,0xa2,0xa3,0x00,0x00,0x00,0x00,0x2b,0x2d,0x00,0x00,0x00,
  74   0x00,0x3d,0x00,0x3c,0x3e,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5c,
  75   0x24,0x00,0x00,0x25,0x23,0x26,0x2a,0x40};
  76
  77 /* Maps multibyte cp932 hiragana/katakana to single-byte equivalents */
  78 static const unsigned char mbctombb_932_kana[] = {
  79   0xa7,0xb1,0xa8,0xb2,0xa9,0xb3,0xaa,0xb4,0xab,0xb5,0xb6,0xb6,0xb7,0xb7,0xb8,0xb8,
  80   0xb9,0xb9,0xba,0xba,0xbb,0xbb,0xbc,0xbc,0xbd,0xbd,0xbe,0xbe,0xbf,0xbf,0xc0,0xc0,
  81   0xc1,0xc1,0xaf,0xc2,0xc2,0xc3,0xc3,0xc4,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xca,
  82   0xca,0xcb,0xcb,0xcb,0xcc,0xcc,0xcc,0xcd,0xcd,0xcd,0xce,0xce,0xce,0xcf,0xd0,0xd1,
  83   0xd2,0xd3,0xac,0xd4,0xad,0xd5,0xae,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xdc,0xb2,
  84   0xb4,0xa6,0xdd,0xb3,0xb6,0xb9};
  85
  86 static MSVCRT_wchar_t msvcrt_mbc_to_wc(unsigned int ch)
  87 {
  88   MSVCRT_wchar_t chW;
  89   char mbch[2];
  90   int n_chars;
  91
  92   if (ch <= 0xff) {
  93     mbch[0] = ch;
  94     n_chars = 1;
  95   } else {
  96     mbch[0] = (ch >> 8) & 0xff;
  97     mbch[1] = ch & 0xff;
  98     n_chars = 2;
  99   }
 100   if (!MultiByteToWideChar(get_mbcinfo()->mbcodepage, 0, mbch, n_chars, &chW, 1))
 101   {
 102     WARN("MultiByteToWideChar failed on %x\n", ch);
 103     return 0;
 104   }
 105   return chW;
 106 }
 107
 108 static inline MSVCRT_size_t u_strlen( const unsigned char *str )
 109 {
 110   return strlen( (const char*) str );
 111 }
 112
 113 static inline unsigned char* u_strncat( unsigned char* dst, const unsigned char* src, MSVCRT_size_t len )
 114 {
 115   return (unsigned char*)strncat( (char*)dst, (const char*)src, len);
 116 }
 117
 118 static inline int u_strcmp( const unsigned char *s1, const unsigned char *s2 )
 119 {
 120   return strcmp( (const char*)s1, (const char*)s2 );
 121 }
 122
 123 static inline int u_strcasecmp( const unsigned char *s1, const unsigned char *s2 )
 124 {
 125   return strcasecmp( (const char*)s1, (const char*)s2 );
 126 }
 127
 128 static inline int u_strncmp( const unsigned char *s1, const unsigned char *s2, MSVCRT_size_t len )
 129 {
 130   return strncmp( (const char*)s1, (const char*)s2, len );
 131 }
 132
 133 static inline int u_strncasecmp( const unsigned char *s1, const unsigned char *s2, MSVCRT_size_t len )
 134 {
 135   return strncasecmp( (const char*)s1, (const char*)s2, len );
 136 }
 137
 138 static inline unsigned char *u_strchr( const unsigned char *s, unsigned char x )
 139 {
 140   return (unsigned char*) strchr( (const char*)s, x );
 141 }
 142
 143 static inline unsigned char *u_strrchr( const unsigned char *s, unsigned char x )
 144 {
 145   return (unsigned char*) strrchr( (const char*)s, x );
 146 }
 147
 148 static inline unsigned char *u__strset( unsigned char *s, unsigned char c )
 149 {
 150   return (unsigned char*) _strset( (char*)s, c);
 151 }
 152
 153 static inline unsigned char *u__strnset( unsigned char *s, unsigned char c, MSVCRT_size_t len )
 154 {
 155   return (unsigned char*) MSVCRT__strnset( (char*)s, c, len );
 156 }
 157
 158 static inline MSVCRT_size_t u_strcspn( const unsigned char *s, const unsigned char *rej )
 159 {
 160   return strcspn( (const char *)s, (const char*)rej );
 161 }
 162
 163 /*********************************************************************
 164  *              __p__mbctype (MSVCRT.@)
 165  */
 166 unsigned char* CDECL __p__mbctype(void)
 167 {
 168   return get_mbcinfo()->mbctype;
 169 }
 170
 171 /*********************************************************************
 172  *              __p___mb_cur_max(MSVCRT.@)
 173  */
 174 int* CDECL __p___mb_cur_max(void)
 175 {
 176   return &get_locinfo()->mb_cur_max;
 177 }
 178
 179 /*********************************************************************
 180  *              ___mb_cur_max_func(MSVCRT.@)
 181  */
 182 int CDECL MSVCRT____mb_cur_max_func(void)
 183 {
 184   return get_locinfo()->mb_cur_max;
 185 }
 186
 187 /*********************************************************************
 188  *              ___mb_cur_max_l_func  (MSVCR80.@)
 189  */
 190 int* CDECL ___mb_cur_max_l_func(MSVCRT__locale_t locale)
 191 {
 192   MSVCRT_pthreadlocinfo locinfo;
 193
 194   if(!locale)
 195     locinfo = get_locinfo();
 196   else
 197     locinfo = locale->locinfo;
 198
 199   return &locinfo->mb_cur_max;
 200 }
 201
 202 /*********************************************************************
 203  * INTERNAL: _setmbcp_l
 204  */
 205 int _setmbcp_l(int cp, LCID lcid, MSVCRT_pthreadmbcinfo mbcinfo)
 206 {
 207   const char format[] = ".%d";
 208
 209   int newcp;
 210   CPINFO cpi;
 211   BYTE *bytes;
 212   WORD chartypes[256];
 213   char bufA[256];
 214   WCHAR bufW[256];
 215   int charcount;
 216   int ret;
 217   int i;
 218
 219   if(!mbcinfo)
 220       mbcinfo = get_mbcinfo();
 221
 222   switch (cp)
 223   {
 224     case _MB_CP_ANSI:
 225       newcp = GetACP();
 226       break;
 227     case _MB_CP_OEM:
 228       newcp = GetOEMCP();
 229       break;
 230     case _MB_CP_LOCALE:
 231       newcp = get_locinfo()->lc_codepage;
 232       if(newcp)
 233           break;
 234       /* fall through (C locale) */
 235     case _MB_CP_SBCS:
 236       newcp = 20127;   /* ASCII */
 237       break;
 238     default:
 239       newcp = cp;
 240       break;
 241   }
 242
 243   if(lcid == -1) {
 244     sprintf(bufA, format, newcp);
 245     mbcinfo->mblcid = MSVCRT_locale_to_LCID(bufA, NULL);
 246   } else {
 247     mbcinfo->mblcid = lcid;
 248   }
 249
 250   if(mbcinfo->mblcid == -1)
 251   {
 252     WARN("Can't assign LCID to codepage (%d)\n", mbcinfo->mblcid);
 253     mbcinfo->mblcid = 0;
 254   }
 255
 256   if (!GetCPInfo(newcp, &cpi))
 257   {
 258     WARN("Codepage %d not found\n", newcp);
 259     *MSVCRT__errno() = MSVCRT_EINVAL;
 260     return -1;
 261   }
 262
 263   /* setup the _mbctype */
 264   memset(mbcinfo->mbctype, 0, sizeof(unsigned char[257]));
 265   memset(mbcinfo->mbcasemap, 0, sizeof(unsigned char[256]));
 266
 267   bytes = cpi.LeadByte;
 268   while (bytes[0] || bytes[1])
 269   {
 270     for (i = bytes[0]; i <= bytes[1]; i++)
 271       mbcinfo->mbctype[i + 1] |= _M1;
 272     bytes += 2;
 273   }
 274
 275   if (cpi.MaxCharSize > 1)
 276   {
 277     /* trail bytes not available through kernel32 but stored in a structure in msvcrt */
 278     struct cp_extra_info_t *cpextra = g_cpextrainfo;
 279
 280     mbcinfo->ismbcodepage = 1;
 281     while (TRUE)
 282     {
 283       if (cpextra->cp == 0 || cpextra->cp == newcp)
 284       {
 285         if (cpextra->cp == 0)
 286           FIXME("trail bytes data not available for DBCS codepage %d - assuming all bytes\n", newcp);
 287
 288         bytes = cpextra->TrailBytes;
 289         while (bytes[0] || bytes[1])
 290         {
 291           for (i = bytes[0]; i <= bytes[1]; i++)
 292             mbcinfo->mbctype[i + 1] |= _M2;
 293           bytes += 2;
 294         }
 295         break;
 296       }
 297       cpextra++;
 298     }
 299   }
 300   else
 301     mbcinfo->ismbcodepage = 0;
 302
 303   /* we can't use GetStringTypeA directly because we don't have a locale - only a code page
 304    */
 305   charcount = 0;
 306   for (i = 0; i < 256; i++)
 307     if (!(mbcinfo->mbctype[i + 1] & _M1))
 308       bufA[charcount++] = i;
 309
 310   ret = MultiByteToWideChar(newcp, 0, bufA, charcount, bufW, charcount);
 311   if (ret != charcount)
 312     ERR("MultiByteToWideChar of chars failed for cp %d, ret=%d (exp %d), error=%d\n", newcp, ret, charcount, GetLastError());
 313
 314   GetStringTypeW(CT_CTYPE1, bufW, charcount, chartypes);
 315
 316   charcount = 0;
 317   for (i = 0; i < 256; i++)
 318     if (!(mbcinfo->mbctype[i + 1] & _M1))
 319     {
 320       if (chartypes[charcount] & C1_UPPER)
 321       {
 322         mbcinfo->mbctype[i + 1] |= _SBUP;
 323         bufW[charcount] = tolowerW(bufW[charcount]);
 324       }
 325       else if (chartypes[charcount] & C1_LOWER)
 326       {
 327         mbcinfo->mbctype[i + 1] |= _SBLOW;
 328         bufW[charcount] = toupperW(bufW[charcount]);
 329       }
 330       charcount++;
 331     }
 332
 333   ret = WideCharToMultiByte(newcp, 0, bufW, charcount, bufA, charcount, NULL, NULL);
 334   if (ret != charcount)
 335     ERR("WideCharToMultiByte failed for cp %d, ret=%d (exp %d), error=%d\n", newcp, ret, charcount, GetLastError());
 336
 337   charcount = 0;
 338   for (i = 0; i < 256; i++)
 339   {
 340     if(!(mbcinfo->mbctype[i + 1] & _M1))
 341     {
 342       if(mbcinfo->mbctype[i] & (C1_UPPER|C1_LOWER))
 343         mbcinfo->mbcasemap[i] = bufA[charcount];
 344       charcount++;
 345     }
 346   }
 347
 348   if (newcp == 932)   /* CP932 only - set _MP and _MS */
 349   {
 350     /* On Windows it's possible to calculate the _MP and _MS from CT_CTYPE1
 351      * and CT_CTYPE3. But as of Wine 0.9.43 we return wrong values what makes
 352      * it hard. As this is set only for codepage 932 we hardcode it what gives
 353      * also faster execution.
 354      */
 355     for (i = 161; i <= 165; i++)
 356       mbcinfo->mbctype[i + 1] |= _MP;
 357     for (i = 166; i <= 223; i++)
 358       mbcinfo->mbctype[i + 1] |= _MS;
 359   }
 360
 361   mbcinfo->mbcodepage = newcp;
 362   if(MSVCRT_locale && mbcinfo == MSVCRT_locale->mbcinfo)
 363     memcpy(MSVCRT_mbctype, MSVCRT_locale->mbcinfo->mbctype, sizeof(MSVCRT_mbctype));
 364
 365   return 0;
 366 }
 367
 368 /*********************************************************************
 369  *              _setmbcp (MSVCRT.@)
 370  */
 371 int CDECL _setmbcp(int cp)
 372 {
 373     return _setmbcp_l(cp, -1, NULL);
 374 }
 375
 376 /*********************************************************************
 377  *              _getmbcp (MSVCRT.@)
 378  */
 379 int CDECL _getmbcp(void)
 380 {
 381   return get_mbcinfo()->mbcodepage;
 382 }
 383
 384 /*********************************************************************
 385  *              _mbsnextc(MSVCRT.@)
 386  */
 387 unsigned int CDECL _mbsnextc(const unsigned char* str)
 388 {
 389   if(_ismbblead(*str))
 390     return *str << 8 | str[1];
 391   return *str;
 392 }
 393
 394 /*********************************************************************
 395  *              _mbctolower(MSVCRT.@)
 396  */
 397 unsigned int CDECL _mbctolower(unsigned int c)
 398 {
 399     if (_ismbblead(c))
 400     {
 401       FIXME("Handle MBC chars\n");
 402       return c;
 403     }
 404     return tolower(c); /* ASCII CP or SB char */
 405 }
 406
 407 /*********************************************************************
 408  *              _mbctoupper(MSVCRT.@)
 409  */
 410 unsigned int CDECL _mbctoupper(unsigned int c)
 411 {
 412     if (_ismbblead(c))
 413     {
 414       FIXME("Handle MBC chars\n");
 415       return c;
 416     }
 417     return toupper(c); /* ASCII CP or SB char */
 418 }
 419
 420 /*********************************************************************
 421  *              _mbctombb (MSVCRT.@)
 422  */
 423 unsigned int CDECL _mbctombb(unsigned int c)
 424 {
 425     unsigned int value;
 426
 427     if(get_mbcinfo()->mbcodepage == 932)
 428     {
 429         if(c >= 0x829f && c <= 0x82f1)    /* Hiragana */
 430             return mbctombb_932_kana[c - 0x829f];
 431         if(c >= 0x8340 && c <= 0x8396 && c != 0x837f)    /* Katakana */
 432             return mbctombb_932_kana[c - 0x8340 - (c >= 0x837f ? 1 : 0)];
 433         if(c >= 0x8140 && c <= 0x8197)    /* Punctuation */
 434         {
 435             value = mbctombb_932_punct[c - 0x8140];
 436             return value ? value : c;
 437         }
 438         if((c >= 0x824f && c <= 0x8258) || /* Fullwidth digits */
 439            (c >= 0x8260 && c <= 0x8279))   /* Fullwidth capitals letters */
 440             return c - 0x821f;
 441         if(c >= 0x8281 && c <= 0x829a)     /* Fullwidth small letters */
 442             return c - 0x8220;
 443         /* all other cases return c */
 444     }
 445     return c;
 446 }
 447
 448 /*********************************************************************
 449  *              _mbcjistojms(MSVCRT.@)
 450  *
 451  *              Converts a jis character to sjis.
 452  *              Based on description from
 453  *              http://www.slayers.ne.jp/~oouchi/code/jistosjis.html
 454  */
 455 unsigned int CDECL _mbcjistojms(unsigned int c)
 456 {
 457   /* Conversion takes place only when codepage is 932.
 458      In all other cases, c is returned unchanged */
 459   if(get_mbcinfo()->mbcodepage == 932)
 460   {
 461     if(HIBYTE(c) >= 0x21 && HIBYTE(c) <= 0x7e &&
 462        LOBYTE(c) >= 0x21 && LOBYTE(c) <= 0x7e)
 463     {
 464       if(HIBYTE(c) % 2)
 465         c += 0x1f;
 466       else
 467         c += 0x7d;
 468
 469       if(LOBYTE(c) >= 0x7F)
 470         c += 0x1;
 471
 472       c = (((HIBYTE(c) - 0x21)/2 + 0x81) << 8) | LOBYTE(c);
 473
 474       if(HIBYTE(c) > 0x9f)
 475         c += 0x4000;
 476     }
 477     else
 478       return 0; /* Codepage is 932, but c can't be converted */
 479   }
 480
 481   return c;
 482 }
 483
 484 /*********************************************************************
 485  *              _mbcjmstojis(MSVCRT.@)
 486  *
 487  *              Converts a sjis character to jis.
 488  */
 489 unsigned int CDECL _mbcjmstojis(unsigned int c)
 490 {
 491   /* Conversion takes place only when codepage is 932.
 492      In all other cases, c is returned unchanged */
 493   if(get_mbcinfo()->mbcodepage == 932)
 494   {
 495     if(_ismbclegal(c) && HIBYTE(c) < 0xf0)
 496     {
 497       if(HIBYTE(c) >= 0xe0)
 498         c -= 0x4000;
 499
 500       c = (((HIBYTE(c) - 0x81)*2 + 0x21) << 8) | LOBYTE(c);
 501
 502       if(LOBYTE(c) > 0x7f)
 503         c -= 0x1;
 504
 505       if(LOBYTE(c) > 0x9d)
 506         c += 0x83;
 507       else
 508         c -= 0x1f;
 509     }
 510     else
 511       return 0; /* Codepage is 932, but c can't be converted */
 512   }
 513
 514   return c;
 515 }
 516
 517 /*********************************************************************
 518  *              _mbsdec(MSVCRT.@)
 519  */
 520 unsigned char* CDECL _mbsdec(const unsigned char* start, const unsigned char* cur)
 521 {
 522   if(get_mbcinfo()->ismbcodepage)
 523     return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
 524
 525   return (unsigned char *)cur - 1; /* ASCII CP or SB char */
 526 }
 527
 528 /*********************************************************************
 529  *              _mbclen(MSVCRT.@)
 530  */
 531 unsigned int CDECL _mbclen(const unsigned char* str)
 532 {
 533   return _ismbblead(*str) ? 2 : 1;
 534 }
 535
 536 /*********************************************************************
 537  *              _mbsinc(MSVCRT.@)
 538  */
 539 unsigned char* CDECL _mbsinc(const unsigned char* str)
 540 {
 541   return (unsigned char *)(str + _mbclen(str));
 542 }
 543
 544 /*********************************************************************
 545  *              _mbsninc(MSVCRT.@)
 546  */
 547 unsigned char* CDECL _mbsninc(const unsigned char* str, MSVCRT_size_t num)
 548 {
 549   if(!str)
 550     return NULL;
 551
 552   while (num > 0 && *str)
 553   {
 554     if (_ismbblead(*str))
 555     {
 556       if (!*(str+1))
 557          break;
 558       str++;
 559     }
 560     str++;
 561     num--;
 562   }
 563
 564   return (unsigned char*)str;
 565 }
 566
 567 /*********************************************************************
 568  *              _mbslen(MSVCRT.@)
 569  */
 570 MSVCRT_size_t CDECL _mbslen(const unsigned char* str)
 571 {
 572   MSVCRT_size_t len = 0;
 573   while(*str)
 574   {
 575     if (_ismbblead(*str))
 576     {
 577       str++;
 578       if (!*str)  /* count only full chars */
 579         break;
 580     }
 581     str++;
 582     len++;
 583   }
 584   return len;
 585 }
 586
 587 /*********************************************************************
 588  *              _mbccpy(MSVCRT.@)
 589  */
 590 void CDECL _mbccpy(unsigned char* dest, const unsigned char* src)
 591 {
 592   *dest = *src;
 593   if(_ismbblead(*src))
 594     *++dest = *++src; /* MB char */
 595 }
 596
 597 /*********************************************************************
 598  *              _mbsncpy(MSVCRT.@)
 599  * REMARKS
 600  *  The parameter n is the number or characters to copy, not the size of
 601  *  the buffer. Use _mbsnbcpy for a function analogical to strncpy
 602  */
 603 unsigned char* CDECL _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
 604 {
 605   unsigned char* ret = dst;
 606   if(!n)
 607     return dst;
 608   if (get_mbcinfo()->ismbcodepage)
 609   {
 610     while (*src && n)
 611     {
 612       n--;
 613       if (_ismbblead(*src))
 614       {
 615         if (!*(src+1))
 616         {
 617             *dst++ = 0;
 618             *dst++ = 0;
 619             break;
 620         }
 621
 622         *dst++ = *src++;
 623       }
 624
 625       *dst++ = *src++;
 626     }
 627   }
 628   else
 629   {
 630     while (n)
 631     {
 632         n--;
 633         if (!(*dst++ = *src++)) break;
 634     }
 635   }
 636   while (n--) *dst++ = 0;
 637   return ret;
 638 }
 639
 640 /*********************************************************************
 641  *              _mbsnbcpy_s(MSVCRT.@)
 642  * REMARKS
 643  * Unlike _mbsnbcpy this function does not pad the rest of the dest
 644  * string with 0
 645  */
 646 int CDECL _mbsnbcpy_s(unsigned char* dst, MSVCRT_size_t size, const unsigned char* src, MSVCRT_size_t n)
 647 {
 648     MSVCRT_size_t pos = 0;
 649
 650     if(!dst || size == 0)
 651         return MSVCRT_EINVAL;
 652     if(!src)
 653     {
 654         dst[0] = '\0';
 655         return MSVCRT_EINVAL;
 656     }
 657     if(!n)
 658         return 0;
 659
 660     if(get_mbcinfo()->ismbcodepage)
 661     {
 662         int is_lead = 0;
 663         while (*src && n)
 664         {
 665             if(pos == size)
 666             {
 667                 dst[0] = '\0';
 668                 return MSVCRT_ERANGE;
 669             }
 670             is_lead = (!is_lead && _ismbblead(*src));
 671             n--;
 672             dst[pos++] = *src++;
 673         }
 674
 675         if (is_lead) /* if string ends with a lead, remove it */
 676             dst[pos - 1] = 0;
 677     }
 678     else
 679     {
 680         while (n)
 681         {
 682             n--;
 683             if(pos == size)
 684             {
 685                 dst[0] = '\0';
 686                 return MSVCRT_ERANGE;
 687             }
 688
 689             if(!(*src)) break;
 690             dst[pos++] = *src++;
 691         }
 692     }
 693
 694     if(pos < size)
 695         dst[pos] = '\0';
 696     else
 697     {
 698         dst[0] = '\0';
 699         return MSVCRT_ERANGE;
 700     }
 701
 702     return 0;
 703 }
 704
 705 /*********************************************************************
 706  *              _mbsnbcpy(MSVCRT.@)
 707  * REMARKS
 708  *  Like strncpy this function doesn't enforce the string to be
 709  *  NUL-terminated
 710  */
 711 unsigned char* CDECL _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
 712 {
 713   unsigned char* ret = dst;
 714   if(!n)
 715     return dst;
 716   if(get_mbcinfo()->ismbcodepage)
 717   {
 718     int is_lead = 0;
 719     while (*src && n)
 720     {
 721       is_lead = (!is_lead && _ismbblead(*src));
 722       n--;
 723       *dst++ = *src++;
 724     }
 725
 726     if (is_lead) /* if string ends with a lead, remove it */
 727         *(dst - 1) = 0;
 728   }
 729   else
 730   {
 731     while (n)
 732     {
 733         n--;
 734         if (!(*dst++ = *src++)) break;
 735     }
 736   }
 737   while (n--) *dst++ = 0;
 738   return ret;
 739 }
 740
 741 /*********************************************************************
 742  *              _mbscmp(MSVCRT.@)
 743  */
 744 int CDECL _mbscmp(const unsigned char* str, const unsigned char* cmp)
 745 {
 746   if(get_mbcinfo()->ismbcodepage)
 747   {
 748     unsigned int strc, cmpc;
 749     do {
 750       if(!*str)
 751         return *cmp ? -1 : 0;
 752       if(!*cmp)
 753         return 1;
 754       strc = _mbsnextc(str);
 755       cmpc = _mbsnextc(cmp);
 756       if(strc != cmpc)
 757         return strc < cmpc ? -1 : 1;
 758       str +=(strc > 255) ? 2 : 1;
 759       cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
 760     } while(1);
 761   }
 762   return u_strcmp(str, cmp); /* ASCII CP */
 763 }
 764
 765 /*********************************************************************
 766  *              _mbsnbicoll_l(MSVCRT.@)
 767  */
 768 int CDECL _mbsnbicoll_l(const unsigned char *str1, const unsigned char *str2, MSVCRT_size_t len, MSVCRT__locale_t locale)
 769 {
 770     MSVCRT_pthreadmbcinfo mbcinfo;
 771
 772     if(!locale)
 773         mbcinfo = get_mbcinfo();
 774     else
 775         mbcinfo = locale->mbcinfo;
 776
 777     if(!mbcinfo->ismbcodepage)
 778         return MSVCRT__strnicoll_l((const char*)str1, (const char*)str2, len, locale);
 779     return CompareStringA(mbcinfo->mblcid, NORM_IGNORECASE, (const char*)str1, len, (const char*)str2, len)-CSTR_EQUAL;
 780 }
 781
 782 /*********************************************************************
 783  *              _mbsicoll_l(MSVCRT.@)
 784  */
 785 int CDECL _mbsicoll_l(const unsigned char *str1, const unsigned char *str2, MSVCRT__locale_t locale)
 786 {
 787     return _mbsnbicoll_l(str1, str2, -1, locale);
 788 }
 789
 790 /*********************************************************************
 791  *              _mbsnbicoll(MSVCRT.@)
 792  */
 793 int CDECL _mbsnbicoll(const unsigned char *str1, const unsigned char *str2, MSVCRT_size_t len)
 794 {
 795     return _mbsnbicoll_l(str1, str2, len, NULL);
 796 }
 797
 798 /*********************************************************************
 799  *              _mbsicoll(MSVCRT.@)
 800  */
 801 int CDECL _mbsicoll(const unsigned char* str, const unsigned char* cmp)
 802 {
 803     return _mbsnbicoll_l(str, cmp, -1, NULL);
 804 }
 805
 806 /*********************************************************************
 807  *              _mbsnbcoll_l(MSVCRT.@)
 808  */
 809 int CDECL _mbsnbcoll_l(const unsigned char *str1, const unsigned char *str2, MSVCRT_size_t len, MSVCRT__locale_t locale)
 810 {
 811     MSVCRT_pthreadmbcinfo mbcinfo;
 812
 813     if(!locale)
 814         mbcinfo = get_mbcinfo();
 815     else
 816         mbcinfo = locale->mbcinfo;
 817
 818     if(!mbcinfo->ismbcodepage)
 819         return MSVCRT__strncoll_l((const char*)str1, (const char*)str2, len, locale);
 820     return CompareStringA(mbcinfo->mblcid, 0, (const char*)str1, len, (const char*)str2, len)-CSTR_EQUAL;
 821 }
 822
 823 /*********************************************************************
 824  *              _mbscoll_l(MSVCRT.@)
 825  */
 826 int CDECL _mbscoll_l(const unsigned char *str1, const unsigned char *str2, MSVCRT__locale_t locale)
 827 {
 828     return _mbsnbcoll_l(str1, str2, -1, locale);
 829 }
 830
 831 /*********************************************************************
 832  *              _mbsnbcoll(MSVCRT.@)
 833  */
 834 int CDECL _mbsnbcoll(const unsigned char *str1, const unsigned char *str2, MSVCRT_size_t len)
 835 {
 836     return _mbsnbcoll_l(str1, str2, len, NULL);
 837 }
 838
 839 /*********************************************************************
 840  *              _mbscoll(MSVCRT.@)
 841  */
 842 int CDECL _mbscoll(const unsigned char* str, const unsigned char* cmp)
 843 {
 844     return _mbsnbcoll_l(str, cmp, -1, NULL);
 845 }
 846
 847 /*********************************************************************
 848  *              _mbsicmp(MSVCRT.@)
 849  */
 850 int CDECL _mbsicmp(const unsigned char* str, const unsigned char* cmp)
 851 {
 852   if(get_mbcinfo()->ismbcodepage)
 853   {
 854     unsigned int strc, cmpc;
 855     do {
 856       if(!*str)
 857         return *cmp ? -1 : 0;
 858       if(!*cmp)
 859         return 1;
 860       strc = _mbctolower(_mbsnextc(str));
 861       cmpc = _mbctolower(_mbsnextc(cmp));
 862       if(strc != cmpc)
 863         return strc < cmpc ? -1 : 1;
 864       str +=(strc > 255) ? 2 : 1;
 865       cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
 866     } while(1);
 867   }
 868   return u_strcasecmp(str, cmp); /* ASCII CP */
 869 }
 870
 871 /*********************************************************************
 872  *              _mbsncmp(MSVCRT.@)
 873  */
 874 int CDECL _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
 875 {
 876   if(!len)
 877     return 0;
 878
 879   if(get_mbcinfo()->ismbcodepage)
 880   {
 881     unsigned int strc, cmpc;
 882     while(len--)
 883     {
 884       int inc;
 885       if(!*str)
 886         return *cmp ? -1 : 0;
 887       if(!*cmp)
 888         return 1;
 889       strc = _mbsnextc(str);
 890       cmpc = _mbsnextc(cmp);
 891       if(strc != cmpc)
 892         return strc < cmpc ? -1 : 1;
 893       inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
 894       str += inc;
 895       cmp += inc;
 896     }
 897     return 0; /* Matched len chars */
 898   }
 899   return u_strncmp(str, cmp, len); /* ASCII CP */
 900 }
 901
 902 /*********************************************************************
 903  *              _mbsnbcmp(MSVCRT.@)
 904  */
 905 int CDECL _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
 906 {
 907   if (!len)
 908     return 0;
 909   if(get_mbcinfo()->ismbcodepage)
 910   {
 911     unsigned int strc, cmpc;
 912     while (len)
 913     {
 914       int clen;
 915       if(!*str)
 916         return *cmp ? -1 : 0;
 917       if(!*cmp)
 918         return 1;
 919       if (_ismbblead(*str))
 920       {
 921         strc=(len>=2)?_mbsnextc(str):0;
 922         clen=2;
 923       }
 924       else
 925       {
 926         strc=*str;
 927         clen=1;
 928       }
 929       if (_ismbblead(*cmp))
 930         cmpc=(len>=2)?_mbsnextc(cmp):0;
 931       else
 932         cmpc=*cmp;
 933       if(strc != cmpc)
 934         return strc < cmpc ? -1 : 1;
 935       len -= clen;
 936       str += clen;
 937       cmp += clen;
 938     }
 939     return 0; /* Matched len chars */
 940   }
 941   return u_strncmp(str,cmp,len);
 942 }
 943
 944 /*********************************************************************
 945  *              _mbsnicmp(MSVCRT.@)
 946  *
 947  * Compare two multibyte strings case insensitively to 'len' characters.
 948  */
 949 int CDECL _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
 950 {
 951   /* FIXME: No tolower() for mb strings yet */
 952   if(get_mbcinfo()->ismbcodepage)
 953   {
 954     unsigned int strc, cmpc;
 955     while(len--)
 956     {
 957       if(!*str)
 958         return *cmp ? -1 : 0;
 959       if(!*cmp)
 960         return 1;
 961       strc = _mbctolower(_mbsnextc(str));
 962       cmpc = _mbctolower(_mbsnextc(cmp));
 963       if(strc != cmpc)
 964         return strc < cmpc ? -1 : 1;
 965       str +=(strc > 255) ? 2 : 1;
 966       cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
 967     }
 968     return 0; /* Matched len chars */
 969   }
 970   return u_strncasecmp(str, cmp, len); /* ASCII CP */
 971 }
 972
 973 /*********************************************************************
 974  *              _mbsnbicmp(MSVCRT.@)
 975  */
 976 int CDECL _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
 977 {
 978   if (!len)
 979     return 0;
 980   if(get_mbcinfo()->ismbcodepage)
 981   {
 982     unsigned int strc, cmpc;
 983     while (len)
 984     {
 985       int clen;
 986       if(!*str)
 987         return *cmp ? -1 : 0;
 988       if(!*cmp)
 989         return 1;
 990       if (_ismbblead(*str))
 991       {
 992         strc=(len>=2)?_mbsnextc(str):0;
 993         clen=2;
 994       }
 995       else
 996       {
 997         strc=*str;
 998         clen=1;
 999       }
1000       if (_ismbblead(*cmp))
1001         cmpc=(len>=2)?_mbsnextc(cmp):0;
1002       else
1003         cmpc=*cmp;
1004       strc = _mbctolower(strc);
1005       cmpc = _mbctolower(cmpc);
1006       if(strc != cmpc)
1007         return strc < cmpc ? -1 : 1;
1008       len -= clen;
1009       str += clen;
1010       cmp += clen;
1011     }
1012     return 0; /* Matched len bytes */
1013   }
1014   return u_strncasecmp(str,cmp,len);
1015 }
1016
1017 /*********************************************************************
1018  *              _mbscat (MSVCRT.@)
1019  */
1020 unsigned char * CDECL _mbscat( unsigned char *dst, const unsigned char *src )
1021 {
1022     strcat( (char *)dst, (const char *)src );
1023     return dst;
1024 }
1025
1026 /*********************************************************************
1027  *              _mbscpy (MSVCRT.@)
1028  */
1029 unsigned char* CDECL _mbscpy( unsigned char *dst, const unsigned char *src )
1030 {
1031     strcpy( (char *)dst, (const char *)src );
1032     return dst;
1033 }
1034
1035 /*********************************************************************
1036  *              _mbsstr (MSVCRT.@)
1037  */
1038 unsigned char * CDECL _mbsstr(const unsigned char *haystack, const unsigned char *needle)
1039 {
1040     return (unsigned char *)strstr( (const char *)haystack, (const char *)needle );
1041 }
1042
1043 /*********************************************************************
1044  *              _mbschr(MSVCRT.@)
1045  *
1046  * Find a multibyte character in a multibyte string.
1047  */
1048 unsigned char* CDECL _mbschr(const unsigned char* s, unsigned int x)
1049 {
1050   if(get_mbcinfo()->ismbcodepage)
1051   {
1052     unsigned int c;
1053     while (1)
1054     {
1055       c = _mbsnextc(s);
1056       if (c == x)
1057         return (unsigned char*)s;
1058       if (!c)
1059         return NULL;
1060       s += c > 255 ? 2 : 1;
1061     }
1062   }
1063   return u_strchr(s, x); /* ASCII CP */
1064 }
1065
1066 /*********************************************************************
1067  *              _mbsrchr(MSVCRT.@)
1068  */
1069 unsigned char* CDECL _mbsrchr(const unsigned char* s, unsigned int x)
1070 {
1071   if(get_mbcinfo()->ismbcodepage)
1072   {
1073     unsigned int c;
1074     unsigned char* match=NULL;
1075     if(!s)
1076       return NULL;
1077     while (1) {
1078       c = _mbsnextc(s);
1079       if (c == x)
1080         match=(unsigned char*)s;
1081       if (!c)
1082         return match;
1083       s +=(c > 255) ? 2 : 1;
1084     }
1085   }
1086   return u_strrchr(s, x);
1087 }
1088
1089 /*********************************************************************
1090  *              _mbstok_s_l(MSVCRT.@)
1091  */
1092 unsigned char* CDECL _mbstok_s_l(unsigned char *str, const unsigned char *delim,
1093         unsigned char **ctx, MSVCRT__locale_t locale)
1094 {
1095     MSVCRT_pthreadmbcinfo mbcinfo;
1096     unsigned int c;
1097
1098     if(!MSVCRT_CHECK_PMT(delim != NULL)) return NULL;
1099     if(!MSVCRT_CHECK_PMT(ctx != NULL)) return NULL;
1100     if(!MSVCRT_CHECK_PMT(str || *ctx)) return NULL;
1101
1102     if(locale)
1103         mbcinfo = locale->mbcinfo;
1104     else
1105         mbcinfo = get_mbcinfo();
1106
1107     if(!mbcinfo->ismbcodepage)
1108         return (unsigned char*)MSVCRT_strtok_s((char*)str, (const char*)delim, (char**)ctx);
1109
1110     if(!str)
1111         str = *ctx;
1112
1113     while((c=_mbsnextc(str)) && _mbschr(delim, c))
1114         str += c>255 ? 2 : 1;
1115     if(!*str)
1116         return NULL;
1117
1118     *ctx = str + (c>255 ? 2 : 1);
1119     while((c=_mbsnextc(*ctx)) && !_mbschr(delim, c))
1120         *ctx += c>255 ? 2 : 1;
1121     if (**ctx) {
1122         *(*ctx)++ = 0;
1123         if(c > 255)
1124             *(*ctx)++ = 0;
1125     }
1126
1127     return str;
1128 }
1129
1130
1131 /*********************************************************************
1132  *              _mbstok_s(MSVCRT.@)
1133  */
1134 unsigned char* CDECL _mbstok_s(unsigned char *str,
1135         const unsigned char *delim, unsigned char **ctx)
1136 {
1137     return _mbstok_s_l(str, delim, ctx, NULL);
1138 }
1139
1140 /*********************************************************************
1141  *              _mbstok_l(MSVCRT.@)
1142  */
1143 unsigned char* CDECL _mbstok_l(unsigned char *str,
1144         const unsigned char *delim, MSVCRT__locale_t locale)
1145 {
1146     return _mbstok_s_l(str, delim, &msvcrt_get_thread_data()->mbstok_next, locale);
1147 }
1148
1149 /*********************************************************************
1150  *              _mbstok(MSVCRT.@)
1151  */
1152 unsigned char* CDECL _mbstok(unsigned char *str, const unsigned char *delim)
1153 {
1154     thread_data_t *data = msvcrt_get_thread_data();
1155
1156 #if _MSVCR_VER == 0
1157     if(!str && !data->mbstok_next)
1158         return NULL;
1159 #endif
1160
1161     return _mbstok_s_l(str, delim, &data->mbstok_next, NULL);
1162 }
1163
1164 /*********************************************************************
1165  *              _mbbtombc(MSVCRT.@)
1166  */
1167 unsigned int CDECL _mbbtombc(unsigned int c)
1168 {
1169   if(get_mbcinfo()->mbcodepage == 932)
1170   {
1171     if(c >= 0x20 && c <= 0x7e) {
1172       if((c >= 0x41 && c <= 0x5a) || (c >= 0x61 && c <= 0x7a) || (c >= 0x30 && c <= 0x39))
1173         return mbbtombc_932[c - 0x20] | 0x8200;
1174       else
1175         return mbbtombc_932[c - 0x20] | 0x8100;
1176     }
1177     else if(c >= 0xa1 && c <= 0xdf) {
1178       if(c >= 0xa6 && c <= 0xdd && c != 0xb0)
1179         return mbbtombc_932[c - 0xa1 + 0x5f] | 0x8300;
1180       else
1181         return mbbtombc_932[c - 0xa1 + 0x5f] | 0x8100;
1182     }
1183   }
1184   return c;  /* not Japanese or no MB char */
1185 }
1186
1187 /*********************************************************************
1188  *              _mbbtype(MSVCRT.@)
1189  */
1190 int CDECL _mbbtype(unsigned char c, int type)
1191 {
1192     if (type == 1)
1193     {
1194         if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
1195             return _MBC_SINGLE;
1196         else if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc))
1197             return _MBC_TRAIL;
1198         else
1199             return _MBC_ILLEGAL;
1200     }
1201     else
1202     {
1203         if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xdf))
1204             return _MBC_SINGLE;
1205         else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc))
1206             return _MBC_LEAD;
1207         else
1208             return _MBC_ILLEGAL;
1209     }
1210 }
1211
1212 /*********************************************************************
1213  *              _ismbbkana(MSVCRT.@)
1214  */
1215 int CDECL _ismbbkana(unsigned int c)
1216 {
1217   /* FIXME: use lc_ctype when supported, not lc_all */
1218   if(get_mbcinfo()->mbcodepage == 932)
1219   {
1220     /* Japanese/Katakana, CP 932 */
1221     return (c >= 0xa1 && c <= 0xdf);
1222   }
1223   return 0;
1224 }
1225
1226 /*********************************************************************
1227  *              _ismbcdigit(MSVCRT.@)
1228  */
1229 int CDECL _ismbcdigit(unsigned int ch)
1230 {
1231     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1232     return (get_char_typeW( wch ) & C1_DIGIT);
1233 }
1234
1235 /*********************************************************************
1236  *              _ismbcgraph(MSVCRT.@)
1237  */
1238 int CDECL _ismbcgraph(unsigned int ch)
1239 {
1240     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1241     return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
1242 }
1243
1244 /*********************************************************************
1245  *              _ismbcalpha (MSVCRT.@)
1246  */
1247 int CDECL _ismbcalpha(unsigned int ch)
1248 {
1249     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1250     return (get_char_typeW( wch ) & C1_ALPHA);
1251 }
1252
1253 /*********************************************************************
1254  *              _ismbclower (MSVCRT.@)
1255  */
1256 int CDECL _ismbclower(unsigned int ch)
1257 {
1258     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1259     return (get_char_typeW( wch ) & C1_UPPER);
1260 }
1261
1262 /*********************************************************************
1263  *              _ismbcupper (MSVCRT.@)
1264  */
1265 int CDECL _ismbcupper(unsigned int ch)
1266 {
1267     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1268     return (get_char_typeW( wch ) & C1_LOWER);
1269 }
1270
1271 /*********************************************************************
1272  *              _ismbcsymbol(MSVCRT.@)
1273  */
1274 int CDECL _ismbcsymbol(unsigned int ch)
1275 {
1276     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1277     WORD ctype;
1278     if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
1279     {
1280         WARN("GetStringTypeW failed on %x\n", ch);
1281         return 0;
1282     }
1283     return ((ctype & C3_SYMBOL) != 0);
1284 }
1285
1286 /*********************************************************************
1287  *              _ismbcalnum (MSVCRT.@)
1288  */
1289 int CDECL _ismbcalnum(unsigned int ch)
1290 {
1291     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1292     return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
1293 }
1294
1295 /*********************************************************************
1296  *              _ismbcspace (MSVCRT.@)
1297  */
1298 int CDECL _ismbcspace(unsigned int ch)
1299 {
1300     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1301     return (get_char_typeW( wch ) & C1_SPACE);
1302 }
1303
1304 /*********************************************************************
1305  *              _ismbcprint (MSVCRT.@)
1306  */
1307 int CDECL _ismbcprint(unsigned int ch)
1308 {
1309     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1310     return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
1311 }
1312
1313 /*********************************************************************
1314  *              _ismbcpunct(MSVCRT.@)
1315  */
1316 int CDECL _ismbcpunct(unsigned int ch)
1317 {
1318     MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
1319     return (get_char_typeW( wch ) & C1_PUNCT);
1320 }
1321
1322 /*********************************************************************
1323  *              _ismbchira(MSVCRT.@)
1324  */
1325 int CDECL _ismbchira(unsigned int c)
1326 {
1327   /* FIXME: use lc_ctype when supported, not lc_all */
1328   if(get_mbcinfo()->mbcodepage == 932)
1329   {
1330     /* Japanese/Hiragana, CP 932 */
1331     return (c >= 0x829f && c <= 0x82f1);
1332   }
1333   return 0;
1334 }
1335
1336 /*********************************************************************
1337  *              _ismbckata(MSVCRT.@)
1338  */
1339 int CDECL _ismbckata(unsigned int c)
1340 {
1341   /* FIXME: use lc_ctype when supported, not lc_all */
1342   if(get_mbcinfo()->mbcodepage == 932)
1343   {
1344     if(c < 256)
1345       return _ismbbkana(c);
1346     /* Japanese/Katakana, CP 932 */
1347     return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
1348   }
1349   return 0;
1350 }
1351
1352 /*********************************************************************
1353  *              _ismbblead(MSVCRT.@)
1354  */
1355 int CDECL _ismbblead(unsigned int c)
1356 {
1357   return (get_mbcinfo()->mbctype[(c&0xff) + 1] & _M1) != 0;
1358 }
1359
1360
1361 /*********************************************************************
1362  *              _ismbbtrail(MSVCRT.@)
1363  */
1364 int CDECL _ismbbtrail(unsigned int c)
1365 {
1366   return (get_mbcinfo()->mbctype[(c&0xff) + 1] & _M2) != 0;
1367 }
1368
1369 /*********************************************************************
1370  *              _ismbclegal(MSVCRT.@)
1371  */
1372 int CDECL _ismbclegal(unsigned int c)
1373 {
1374     return _ismbblead(HIBYTE(c)) && _ismbbtrail(LOBYTE(c));
1375 }
1376
1377 /*********************************************************************
1378  *              _ismbslead(MSVCRT.@)
1379  */
1380 int CDECL _ismbslead(const unsigned char* start, const unsigned char* str)
1381 {
1382   int lead = 0;
1383
1384   if(!get_mbcinfo()->ismbcodepage)
1385     return 0;
1386
1387   /* Lead bytes can also be trail bytes so we need to analyse the string
1388    */
1389   while (start <= str)
1390   {
1391     if (!*start)
1392       return 0;
1393     lead = !lead && _ismbblead(*start);
1394     start++;
1395   }
1396
1397   return lead ? -1 : 0;
1398 }
1399
1400 /*********************************************************************
1401  *              _ismbstrail(MSVCRT.@)
1402  */
1403 int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
1404 {
1405   /* Note: this function doesn't check _ismbbtrail */
1406   if ((str > start) && _ismbslead(start, str-1))
1407     return -1;
1408   else
1409     return 0;
1410 }
1411
1412 /*********************************************************************
1413  *              _mbsbtype (MSVCRT.@)
1414  */
1415 int CDECL _mbsbtype(const unsigned char *str, MSVCRT_size_t count)
1416 {
1417   int lead = 0;
1418   const unsigned char *end = str + count;
1419
1420   /* Lead bytes can also be trail bytes so we need to analyse the string.
1421    * Also we must return _MBC_ILLEGAL for chars past the end of the string
1422    */
1423   while (str < end) /* Note: we skip the last byte - will check after the loop */
1424   {
1425     if (!*str)
1426       return _MBC_ILLEGAL;
1427     lead = get_mbcinfo()->ismbcodepage && !lead && _ismbblead(*str);
1428     str++;
1429   }
1430
1431   if (lead)
1432     if (_ismbbtrail(*str))
1433       return _MBC_TRAIL;
1434     else
1435       return _MBC_ILLEGAL;
1436   else
1437     if (_ismbblead(*str))
1438       return _MBC_LEAD;
1439     else
1440       return _MBC_SINGLE;
1441 }
1442
1443 /*********************************************************************
1444  *              _mbsset(MSVCRT.@)
1445  */
1446 unsigned char* CDECL _mbsset(unsigned char* str, unsigned int c)
1447 {
1448   unsigned char* ret = str;
1449
1450   if(!get_mbcinfo()->ismbcodepage || c < 256)
1451     return u__strset(str, c); /* ASCII CP or SB char */
1452
1453   c &= 0xffff; /* Strip high bits */
1454
1455   while(str[0] && str[1])
1456   {
1457     *str++ = c >> 8;
1458     *str++ = c & 0xff;
1459   }
1460   if(str[0])
1461     str[0] = '\0'; /* FIXME: OK to shorten? */
1462
1463   return ret;
1464 }
1465
1466 /*********************************************************************
1467  *              _mbsnbset(MSVCRT.@)
1468  */
1469 unsigned char* CDECL _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
1470 {
1471     unsigned char *ret = str;
1472
1473     if(!len)
1474         return ret;
1475
1476     if(!get_mbcinfo()->ismbcodepage || c < 256)
1477         return u__strnset(str, c, len); /* ASCII CP or SB char */
1478
1479     c &= 0xffff; /* Strip high bits */
1480
1481     while(str[0] && str[1] && (len > 1))
1482     {
1483         *str++ = c >> 8;
1484         len--;
1485         *str++ = c & 0xff;
1486         len--;
1487     }
1488     if(len && str[0]) {
1489         /* as per msdn pad with a blank character */
1490         str[0] = ' ';
1491     }
1492
1493     return ret;
1494 }
1495
1496 /*********************************************************************
1497  *              _mbsnset(MSVCRT.@)
1498  */
1499 unsigned char* CDECL _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
1500 {
1501   unsigned char *ret = str;
1502
1503   if(!len)
1504     return ret;
1505
1506   if(!get_mbcinfo()->ismbcodepage || c < 256)
1507     return u__strnset(str, c, len); /* ASCII CP or SB char */
1508
1509   c &= 0xffff; /* Strip high bits */
1510
1511   while(str[0] && str[1] && len--)
1512   {
1513     *str++ = c >> 8;
1514     *str++ = c & 0xff;
1515   }
1516   if(len && str[0])
1517     str[0] = '\0'; /* FIXME: OK to shorten? */
1518
1519   return ret;
1520 }
1521
1522 /*********************************************************************
1523  *              _mbsnccnt(MSVCRT.@)
1524  * 'c' is for 'character'.
1525  */
1526 MSVCRT_size_t CDECL _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
1527 {
1528   MSVCRT_size_t ret;
1529   if(get_mbcinfo()->ismbcodepage)
1530   {
1531     ret=0;
1532     while(*str && len-- > 0)
1533     {
1534       if(_ismbblead(*str))
1535       {
1536         if (!len)
1537           break;
1538         len--;
1539         str++;
1540       }
1541       str++;
1542       ret++;
1543     }
1544     return ret;
1545   }
1546   ret=u_strlen(str);
1547   return min(ret, len); /* ASCII CP */
1548 }
1549
1550 /*********************************************************************
1551  *              _mbsnbcnt(MSVCRT.@)
1552  * 'b' is for byte count.
1553  */
1554 MSVCRT_size_t CDECL _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
1555 {
1556   MSVCRT_size_t ret;
1557   if(get_mbcinfo()->ismbcodepage)
1558   {
1559     const unsigned char* xstr = str;
1560     while(*xstr && len-- > 0)
1561     {
1562       if (_ismbblead(*xstr++))
1563         xstr++;
1564     }
1565     return xstr-str;
1566   }
1567   ret=u_strlen(str);
1568   return min(ret, len); /* ASCII CP */
1569 }
1570
1571 /*********************************************************************
1572  *              _mbsnbcat(MSVCRT.@)
1573  */
1574 unsigned char* CDECL _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1575 {
1576     if(get_mbcinfo()->ismbcodepage)
1577     {
1578         unsigned char *res = dst;
1579         while (*dst) {
1580             if (_ismbblead(*dst++)) {
1581                 if (*dst) {
1582                     dst++;
1583                 } else {
1584                     /* as per msdn overwrite the lead byte in front of '\0' */
1585                     dst--;
1586                     break;
1587                 }
1588             }
1589         }
1590         while (*src && len--) *dst++ = *src++;
1591         *dst = '\0';
1592         return res;
1593     }
1594     return u_strncat(dst, src, len); /* ASCII CP */
1595 }
1596
1597 int CDECL _mbsnbcat_s(unsigned char *dst, MSVCRT_size_t size, const unsigned char *src, MSVCRT_size_t len)
1598 {
1599     unsigned char *ptr = dst;
1600     MSVCRT_size_t i;
1601
1602     if (!dst && !size && !src && !len)
1603         return 0;
1604
1605     if (!dst || !size || !src)
1606     {
1607         if (dst && size)
1608             *dst = '\0';
1609
1610         *MSVCRT__errno() = MSVCRT_EINVAL;
1611         return MSVCRT_EINVAL;
1612     }
1613
1614     /* Find the null terminator of the destination buffer. */
1615     while (size && *ptr)
1616         size--, ptr++;
1617
1618     if (!size)
1619     {
1620         *dst = '\0';
1621         *MSVCRT__errno() = MSVCRT_EINVAL;
1622         return MSVCRT_EINVAL;
1623     }
1624
1625     /* If necessary, check that the character preceding the null terminator is
1626      * a lead byte and move the pointer back by one for later overwrite. */
1627     if (ptr != dst && get_mbcinfo()->ismbcodepage && _ismbblead(*(ptr - 1)))
1628         size++, ptr--;
1629
1630     for (i = 0; *src && i < len; i++)
1631     {
1632         *ptr++ = *src++;
1633         size--;
1634
1635         if (!size)
1636         {
1637             *dst = '\0';
1638             *MSVCRT__errno() = MSVCRT_ERANGE;
1639             return MSVCRT_ERANGE;
1640         }
1641     }
1642
1643     *ptr = '\0';
1644     return 0;
1645 }
1646
1647 /*********************************************************************
1648  *              _mbsncat(MSVCRT.@)
1649  */
1650 unsigned char* CDECL _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
1651 {
1652   if(get_mbcinfo()->ismbcodepage)
1653   {
1654     unsigned char *res = dst;
1655     while (*dst)
1656     {
1657       if (_ismbblead(*dst++))
1658         dst++;
1659     }
1660     while (*src && len--)
1661     {
1662       *dst++ = *src;
1663       if(_ismbblead(*src++))
1664         *dst++ = *src++;
1665     }
1666     *dst = '\0';
1667     return res;
1668   }
1669   return u_strncat(dst, src, len); /* ASCII CP */
1670 }
1671
1672
1673 /*********************************************************************
1674  *              _mbslwr(MSVCRT.@)
1675  */
1676 unsigned char* CDECL _mbslwr(unsigned char* s)
1677 {
1678   unsigned char *ret = s;
1679   if (!s)
1680     return NULL;
1681   if (get_mbcinfo()->ismbcodepage)
1682   {
1683     unsigned int c;
1684     while (*s)
1685     {
1686       c = _mbctolower(_mbsnextc(s));
1687       /* Note that I assume that the size of the character is unchanged */
1688       if (c > 255)
1689       {
1690           *s++=(c>>8);
1691           c=c & 0xff;
1692       }
1693       *s++=c;
1694     }
1695   }
1696   else for ( ; *s; s++) *s = tolower(*s);
1697   return ret;
1698 }
1699
1700
1701 /*********************************************************************
1702  *              _mbslwr_s(MSVCRT.@)
1703  */
1704 int CDECL _mbslwr_s(unsigned char* s, MSVCRT_size_t len)
1705 {
1706   if (!s && !len)
1707   {
1708     return 0;
1709   }
1710   else if (!s || !len)
1711   {
1712     *MSVCRT__errno() = MSVCRT_EINVAL;
1713     return MSVCRT_EINVAL;
1714   }
1715   if (get_mbcinfo()->ismbcodepage)
1716   {
1717     unsigned int c;
1718     for ( ; *s && len > 0; len--)
1719     {
1720       c = _mbctolower(_mbsnextc(s));
1721       /* Note that I assume that the size of the character is unchanged */
1722       if (c > 255)
1723       {
1724           *s++=(c>>8);
1725           c=c & 0xff;
1726       }
1727       *s++=c;
1728     }
1729   }
1730   else for ( ; *s && len > 0; s++, len--) *s = tolower(*s);
1731   if (*s)
1732   {
1733     *s = '\0';
1734     *MSVCRT__errno() = MSVCRT_EINVAL;
1735     return MSVCRT_EINVAL;
1736   }
1737   return 0;
1738 }
1739
1740
1741 /*********************************************************************
1742  *              _mbsupr(MSVCRT.@)
1743  */
1744 unsigned char* CDECL _mbsupr(unsigned char* s)
1745 {
1746   unsigned char *ret = s;
1747   if (!s)
1748     return NULL;
1749   if (get_mbcinfo()->ismbcodepage)
1750   {
1751     unsigned int c;
1752     while (*s)
1753     {
1754       c = _mbctoupper(_mbsnextc(s));
1755       /* Note that I assume that the size of the character is unchanged */
1756       if (c > 255)
1757       {
1758           *s++=(c>>8);
1759           c=c & 0xff;
1760       }
1761       *s++=c;
1762     }
1763   }
1764   else for ( ; *s; s++) *s = toupper(*s);
1765   return ret;
1766 }
1767
1768
1769 /*********************************************************************
1770  *              _mbsupr_s(MSVCRT.@)
1771  */
1772 int CDECL _mbsupr_s(unsigned char* s, MSVCRT_size_t len)
1773 {
1774   if (!s && !len)
1775   {
1776     return 0;
1777   }
1778   else if (!s || !len)
1779   {
1780     *MSVCRT__errno() = MSVCRT_EINVAL;
1781     return MSVCRT_EINVAL;
1782   }
1783   if (get_mbcinfo()->ismbcodepage)
1784   {
1785     unsigned int c;
1786     for ( ; *s && len > 0; len--)
1787     {
1788       c = _mbctoupper(_mbsnextc(s));
1789       /* Note that I assume that the size of the character is unchanged */
1790       if (c > 255)
1791       {
1792           *s++=(c>>8);
1793           c=c & 0xff;
1794       }
1795       *s++=c;
1796     }
1797   }
1798   else for ( ; *s && len > 0; s++, len--) *s = toupper(*s);
1799   if (*s)
1800   {
1801     *s = '\0';
1802     *MSVCRT__errno() = MSVCRT_EINVAL;
1803     return MSVCRT_EINVAL;
1804   }
1805   return 0;
1806 }
1807
1808
1809 /*********************************************************************
1810  *              _mbsspn (MSVCRT.@)
1811  */
1812 MSVCRT_size_t CDECL _mbsspn(const unsigned char* string, const unsigned char* set)
1813 {
1814     const unsigned char *p, *q;
1815
1816     for (p = string; *p; p++)
1817     {
1818         if (_ismbblead(*p))
1819         {
1820             for (q = set; *q; q++)
1821             {
1822                 if (!q[1])
1823                     break;
1824                 if ((*p == *q) &&  (p[1] == q[1]))
1825                     break;
1826                 q++;
1827             }
1828             if (!q[0] || !q[1]) break;
1829         }
1830         else
1831         {
1832             for (q = set; *q; q++)
1833                 if (*p == *q)
1834                     break;
1835             if (!*q) break;
1836         }
1837     }
1838     return p - string;
1839 }
1840
1841 /*********************************************************************
1842  *              _mbsspnp (MSVCRT.@)
1843  */
1844 unsigned char* CDECL _mbsspnp(const unsigned char* string, const unsigned char* set)
1845 {
1846     const unsigned char *p, *q;
1847
1848     for (p = string; *p; p++)
1849     {
1850         if (_ismbblead(*p))
1851         {
1852             for (q = set; *q; q++)
1853             {
1854                 if (!q[1])
1855                     break;
1856                 if ((*p == *q) &&  (p[1] == q[1]))
1857                     break;
1858                 q++;
1859             }
1860             if (!q[0] || !q[1]) break;
1861         }
1862         else
1863         {
1864             for (q = set; *q; q++)
1865                 if (*p == *q)
1866                     break;
1867             if (!*q) break;
1868         }
1869     }
1870     if (*p == '\0')
1871         return NULL;
1872     return (unsigned char *)p;
1873 }
1874
1875 /*********************************************************************
1876  *              _mbscspn(MSVCRT.@)
1877  */
1878 MSVCRT_size_t CDECL _mbscspn(const unsigned char* str, const unsigned char* cmp)
1879 {
1880   if (get_mbcinfo()->ismbcodepage)
1881     FIXME("don't handle double character case\n");
1882   return u_strcspn(str, cmp);
1883 }
1884
1885 /*********************************************************************
1886  *              _mbsrev (MSVCRT.@)
1887  */
1888 unsigned char* CDECL _mbsrev(unsigned char* str)
1889 {
1890     int i, len = _mbslen(str);
1891     unsigned char *p, *temp=MSVCRT_malloc(len*2);
1892
1893     if(!temp)
1894         return str;
1895
1896     /* unpack multibyte string to temp buffer */
1897     p=str;
1898     for(i=0; i<len; i++)
1899     {
1900         if (_ismbblead(*p))
1901         {
1902             temp[i*2]=*p++;
1903             temp[i*2+1]=*p++;
1904         }
1905         else
1906         {
1907             temp[i*2]=*p++;
1908             temp[i*2+1]=0;
1909         }
1910     }
1911
1912     /* repack it in the reverse order */
1913     p=str;
1914     for(i=len-1; i>=0; i--)
1915     {
1916         if(_ismbblead(temp[i*2]))
1917         {
1918             *p++=temp[i*2];
1919             *p++=temp[i*2+1];
1920         }
1921         else
1922         {
1923             *p++=temp[i*2];
1924         }
1925     }
1926
1927     MSVCRT_free(temp);
1928
1929     return str;
1930 }
1931
1932 /*********************************************************************
1933  *              _mbspbrk (MSVCRT.@)
1934  */
1935 unsigned char* CDECL _mbspbrk(const unsigned char* str, const unsigned char* accept)
1936 {
1937     const unsigned char* p;
1938
1939     while(*str)
1940     {
1941         for(p = accept; *p; p += (_ismbblead(*p)?2:1) )
1942         {
1943             if (*p == *str)
1944                 if( !_ismbblead(*p) || ( *(p+1) == *(str+1) ) )
1945                      return (unsigned char*)str;
1946         }
1947         str += (_ismbblead(*str)?2:1);
1948     }
1949     return NULL;
1950 }
1951
1952
1953 /*
1954  * Functions depending on locale codepage
1955  */
1956
1957 /*********************************************************************
1958  *              mblen(MSVCRT.@)
1959  * REMARKS
1960  *  Unlike most of the multibyte string functions this function uses
1961  *  the locale codepage, not the codepage set by _setmbcp
1962  */
1963 int CDECL MSVCRT_mblen(const char* str, MSVCRT_size_t size)
1964 {
1965   if (str && *str && size)
1966   {
1967     if(get_locinfo()->mb_cur_max == 1)
1968       return 1; /* ASCII CP */
1969
1970     return !MSVCRT_isleadbyte((unsigned char)*str) ? 1 : (size>1 ? 2 : -1);
1971   }
1972   return 0;
1973 }
1974
1975 /*********************************************************************
1976  *              mbrlen(MSVCRT.@)
1977  */
1978 MSVCRT_size_t CDECL MSVCRT_mbrlen(const char *str, MSVCRT_size_t len, MSVCRT_mbstate_t *state)
1979 {
1980     MSVCRT_mbstate_t s = (state ? *state : 0);
1981     MSVCRT_size_t ret;
1982
1983     if(!len || !str || !*str)
1984         return 0;
1985
1986     if(get_locinfo()->mb_cur_max == 1) {
1987         return 1;
1988     }else if(!s && MSVCRT_isleadbyte((unsigned char)*str)) {
1989         if(len == 1) {
1990             s = (unsigned char)*str;
1991             ret = -2;
1992         }else {
1993             ret = 2;
1994         }
1995     }else if(!s) {
1996         ret = 1;
1997     }else {
1998         s = 0;
1999         ret = 2;
2000     }
2001
2002     if(state)
2003         *state = s;
2004     return ret;
2005 }
2006
2007 /*********************************************************************
2008  *              _mbstrlen_l(MSVCRT.@)
2009  */
2010 MSVCRT_size_t CDECL _mbstrlen_l(const char* str, MSVCRT__locale_t locale)
2011 {
2012     MSVCRT_pthreadlocinfo locinfo;
2013
2014     if(!locale)
2015         locinfo = get_locinfo();
2016     else
2017         locinfo = locale->locinfo;
2018
2019     if(locinfo->mb_cur_max > 1) {
2020         MSVCRT_size_t len;
2021         len = MultiByteToWideChar(locinfo->lc_codepage, MB_ERR_INVALID_CHARS,
2022                                   str, -1, NULL, 0);
2023         if (!len) {
2024             *MSVCRT__errno() = MSVCRT_EILSEQ;
2025             return -1;
2026         }
2027         return len - 1;
2028     }
2029
2030     return strlen(str);
2031 }
2032
2033 /*********************************************************************
2034  *              _mbstrlen(MSVCRT.@)
2035  */
2036 MSVCRT_size_t CDECL _mbstrlen(const char* str)
2037 {
2038     return _mbstrlen_l(str, NULL);
2039 }
2040
2041 /*********************************************************************
2042  *              _mbtowc_l(MSVCRT.@)
2043  */
2044 int CDECL MSVCRT_mbtowc_l(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n, MSVCRT__locale_t locale)
2045 {
2046     MSVCRT_pthreadlocinfo locinfo;
2047     MSVCRT_wchar_t tmpdst = '\0';
2048
2049     if(!locale)
2050         locinfo = get_locinfo();
2051     else
2052         locinfo = locale->locinfo;
2053
2054     if(n <= 0 || !str)
2055         return 0;
2056     if(!locinfo->lc_codepage)
2057         tmpdst = (unsigned char)*str;
2058     else if(!MultiByteToWideChar(locinfo->lc_codepage, 0, str, n, &tmpdst, 1))
2059         return -1;
2060     if(dst)
2061         *dst = tmpdst;
2062     /* return the number of bytes from src that have been used */
2063     if(!*str)
2064         return 0;
2065     if(n >= 2 && MSVCRT__isleadbyte_l((unsigned char)*str, locale) && str[1])
2066         return 2;
2067     return 1;
2068 }
2069
2070 /*********************************************************************
2071  *              mbtowc(MSVCRT.@)
2072  */
2073 int CDECL MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
2074 {
2075     return MSVCRT_mbtowc_l(dst, str, n, NULL);
2076 }
2077
2078 /*********************************************************************
2079  *              mbrtowc(MSVCRT.@)
2080  */
2081 MSVCRT_size_t CDECL MSVCRT_mbrtowc(MSVCRT_wchar_t *dst, const char *str,
2082         MSVCRT_size_t n, MSVCRT_mbstate_t *state)
2083 {
2084     MSVCRT_pthreadlocinfo locinfo = get_locinfo();
2085     MSVCRT_mbstate_t s = (state ? *state : 0);
2086     char tmpstr[2];
2087     int len = 0;
2088
2089     if(dst)
2090         *dst = 0;
2091
2092     if(!n || !str || !*str)
2093         return 0;
2094
2095     if(locinfo->mb_cur_max == 1) {
2096         tmpstr[len++] = *str;
2097     }else if(!s && MSVCRT_isleadbyte((unsigned char)*str)) {
2098         if(n == 1) {
2099             s = (unsigned char)*str;
2100             len = -2;
2101         }else {
2102             tmpstr[0] = str[0];
2103             tmpstr[1] = str[1];
2104             len = 2;
2105         }
2106     }else if(!s) {
2107         tmpstr[len++] = *str;
2108     }else {
2109         tmpstr[0] = s;
2110         tmpstr[1] = *str;
2111         len = 2;
2112         s = 0;
2113     }
2114
2115     if(len > 0) {
2116         if(!MultiByteToWideChar(locinfo->lc_codepage, 0, tmpstr, len, dst, dst ? 1 : 0))
2117             len = -1;
2118     }
2119
2120     if(state)
2121         *state = s;
2122     return len;
2123 }
2124
2125 /*********************************************************************
2126  *              _mbstowcs_l(MSVCRT.@)
2127  */
2128 MSVCRT_size_t CDECL MSVCRT__mbstowcs_l(MSVCRT_wchar_t *wcstr, const char *mbstr,
2129         MSVCRT_size_t count, MSVCRT__locale_t locale)
2130 {
2131     MSVCRT_pthreadlocinfo locinfo;
2132     MSVCRT_size_t i, size;
2133
2134     if(!mbstr) {
2135         *MSVCRT__errno() = MSVCRT_EINVAL;
2136         return -1;
2137     }
2138
2139     if(!locale)
2140         locinfo = get_locinfo();
2141     else
2142         locinfo = locale->locinfo;
2143
2144     /* Ignore count parameter */
2145     if(!wcstr)
2146         return MultiByteToWideChar(locinfo->lc_codepage, 0, mbstr, -1, NULL, 0)-1;
2147
2148     for(i=0, size=0; i<count; i++) {
2149         if(mbstr[size] == '\0')
2150             break;
2151
2152         size += (MSVCRT__isleadbyte_l((unsigned char)mbstr[size], locale) ? 2 : 1);
2153     }
2154
2155     size = MultiByteToWideChar(locinfo->lc_codepage, 0,
2156             mbstr, size, wcstr, count);
2157
2158     if(size<count && wcstr)
2159         wcstr[size] = '\0';
2160
2161     return size;
2162 }
2163
2164 /*********************************************************************
2165  *              mbstowcs(MSVCRT.@)
2166  */
2167 MSVCRT_size_t CDECL MSVCRT_mbstowcs(MSVCRT_wchar_t *wcstr,
2168         const char *mbstr, MSVCRT_size_t count)
2169 {
2170     return MSVCRT__mbstowcs_l(wcstr, mbstr, count, NULL);
2171 }
2172
2173 /*********************************************************************
2174  *              _mbstowcs_s_l(MSVCRT.@)
2175  */
2176 int CDECL MSVCRT__mbstowcs_s_l(MSVCRT_size_t *ret, MSVCRT_wchar_t *wcstr,
2177         MSVCRT_size_t size, const char *mbstr,
2178         MSVCRT_size_t count, MSVCRT__locale_t locale)
2179 {
2180     MSVCRT_size_t conv;
2181
2182     if(!wcstr && !size) {
2183         conv = MSVCRT__mbstowcs_l(NULL, mbstr, 0, locale);
2184         if(ret)
2185             *ret = conv+1;
2186         return 0;
2187     }
2188
2189     if (!MSVCRT_CHECK_PMT(wcstr != NULL)) return MSVCRT_EINVAL;
2190     if (!MSVCRT_CHECK_PMT(mbstr != NULL)) {
2191         if(size) wcstr[0] = '\0';
2192         return MSVCRT_EINVAL;
2193     }
2194
2195     if(count==MSVCRT__TRUNCATE || size<count)
2196         conv = size;
2197     else
2198         conv = count;
2199
2200     conv = MSVCRT__mbstowcs_l(wcstr, mbstr, conv, locale);
2201     if(conv<size)
2202         wcstr[conv++] = '\0';
2203     else if(conv==size && (count==MSVCRT__TRUNCATE || wcstr[conv-1]=='\0'))
2204         wcstr[conv-1] = '\0';
2205     else {
2206         MSVCRT_INVALID_PMT("wcstr[size] is too small", MSVCRT_ERANGE);
2207         if(size)
2208             wcstr[0] = '\0';
2209         return MSVCRT_ERANGE;
2210     }
2211
2212     if(ret)
2213         *ret = conv;
2214     return 0;
2215 }
2216
2217 /*********************************************************************
2218  *              mbstowcs_s(MSVCRT.@)
2219  */
2220 int CDECL MSVCRT__mbstowcs_s(MSVCRT_size_t *ret, MSVCRT_wchar_t *wcstr,
2221         MSVCRT_size_t size, const char *mbstr, MSVCRT_size_t count)
2222 {
2223     return MSVCRT__mbstowcs_s_l(ret, wcstr, size, mbstr, count, NULL);
2224 }
2225
2226 /*********************************************************************
2227  *              mbsrtowcs(MSVCRT.@)
2228  */
2229 MSVCRT_size_t CDECL MSVCRT_mbsrtowcs(MSVCRT_wchar_t *wcstr,
2230         const char **pmbstr, MSVCRT_size_t count, MSVCRT_mbstate_t *state)
2231 {
2232     MSVCRT_mbstate_t s = (state ? *state : 0);
2233     MSVCRT_wchar_t tmpdst;
2234     MSVCRT_size_t ret = 0;
2235
2236     if(!MSVCRT_CHECK_PMT(pmbstr != NULL))
2237         return -1;
2238
2239     while(!wcstr || count>ret) {
2240         int ch_len = MSVCRT_mbrtowc(&tmpdst, *pmbstr, 2, &s);
2241         if(wcstr)
2242             wcstr[ret] = tmpdst;
2243
2244         if(ch_len < 0) {
2245             return -1;
2246         }else if(ch_len == 0) {
2247             *pmbstr = NULL;
2248             return ret;
2249         }
2250
2251         *pmbstr += ch_len;
2252         ret++;
2253     }
2254
2255     return ret;
2256 }