dlls/msvcrt/wcs.c

   1 /*
   2  * msvcrt.dll wide-char functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   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 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <limits.h>
  25 #include <stdio.h>
  26 #include <math.h>
  27 #include <assert.h>
  28 #include "msvcrt.h"
  29 #include "winnls.h"
  30 #include "wtypes.h"
  31 #include "wine/unicode.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  35
  36 static BOOL n_format_enabled = TRUE;
  37
  38 #include "printf.h"
  39 #define PRINTF_WIDE
  40 #include "printf.h"
  41 #undef PRINTF_WIDE
  42
  43 /* _get_printf_count_output - not exported in native msvcrt */
  44 int CDECL MSVCRT__get_printf_count_output( void )
  45 {
  46     return n_format_enabled ? 1 : 0;
  47 }
  48
  49 /* _set_printf_count_output - not exported in native msvcrt */
  50 int CDECL MSVCRT__set_printf_count_output( int enable )
  51 {
  52     BOOL old = n_format_enabled;
  53     n_format_enabled = enable != 0;
  54     return old ? 1 : 0;
  55 }
  56
  57 /*********************************************************************
  58  *              _wcsdup (MSVCRT.@)
  59  */
  60 MSVCRT_wchar_t* CDECL MSVCRT__wcsdup( const MSVCRT_wchar_t* str )
  61 {
  62   MSVCRT_wchar_t* ret = NULL;
  63   if (str)
  64   {
  65     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  66     ret = MSVCRT_malloc( size );
  67     if (ret) memcpy( ret, str, size );
  68   }
  69   return ret;
  70 }
  71
  72 INT CDECL MSVCRT__wcsicmp_l(const MSVCRT_wchar_t *str1, const MSVCRT_wchar_t *str2, MSVCRT__locale_t locale)
  73 {
  74     if(!MSVCRT_CHECK_PMT(str1 != NULL) || !MSVCRT_CHECK_PMT(str2 != NULL))
  75         return MSVCRT__NLSCMPERROR;
  76
  77     return strcmpiW(str1, str2);
  78 }
  79
  80 /*********************************************************************
  81  *              _wcsicmp (MSVCRT.@)
  82  */
  83 INT CDECL MSVCRT__wcsicmp( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  84 {
  85     return strcmpiW( str1, str2 );
  86 }
  87
  88 /*********************************************************************
  89  *              _wcsnicmp (MSVCRT.@)
  90  */
  91 INT CDECL MSVCRT__wcsnicmp(const MSVCRT_wchar_t *str1, const MSVCRT_wchar_t *str2, INT n)
  92 {
  93     return strncmpiW(str1, str2, n);
  94 }
  95
  96 /*********************************************************************
  97  *              _wcsicoll_l (MSVCRT.@)
  98  */
  99 int CDECL MSVCRT__wcsicoll_l(const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2, MSVCRT__locale_t locale)
 100 {
 101     MSVCRT_pthreadlocinfo locinfo;
 102
 103     if(!locale)
 104         locinfo = get_locinfo();
 105     else
 106         locinfo = locale->locinfo;
 107
 108     return CompareStringW(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
 109                           str1, -1, str2, -1)-CSTR_EQUAL;
 110 }
 111
 112 /*********************************************************************
 113  *              _wcsicoll (MSVCRT.@)
 114  */
 115 INT CDECL MSVCRT__wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 116 {
 117     return MSVCRT__wcsicoll_l(str1, str2, NULL);
 118 }
 119
 120 /*********************************************************************
 121  *              _wcsnicoll_l (MSVCRT.@)
 122  */
 123 int CDECL MSVCRT__wcsnicoll_l(const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2,
 124                               MSVCRT_size_t count, MSVCRT__locale_t locale)
 125 {
 126     MSVCRT_pthreadlocinfo locinfo;
 127
 128     if(!locale)
 129         locinfo = get_locinfo();
 130     else
 131         locinfo = locale->locinfo;
 132
 133     return CompareStringW(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
 134                           str1, count, str2, count)-CSTR_EQUAL;
 135 }
 136
 137 /*********************************************************************
 138  *              _wcsnicoll (MSVCRT.@)
 139  */
 140 INT CDECL MSVCRT__wcsnicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2, MSVCRT_size_t count )
 141 {
 142     return MSVCRT__wcsnicoll_l(str1, str2, count, NULL);
 143 }
 144
 145 /*********************************************************************
 146  *              _wcsnset (MSVCRT.@)
 147  */
 148 MSVCRT_wchar_t* CDECL MSVCRT__wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
 149 {
 150   MSVCRT_wchar_t* ret = str;
 151   while ((n-- > 0) && *str) *str++ = c;
 152   return ret;
 153 }
 154
 155 /*********************************************************************
 156  *              _wcsrev (MSVCRT.@)
 157  */
 158 MSVCRT_wchar_t* CDECL MSVCRT__wcsrev( MSVCRT_wchar_t* str )
 159 {
 160   MSVCRT_wchar_t* ret = str;
 161   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
 162   while (end > str)
 163   {
 164     MSVCRT_wchar_t t = *end;
 165     *end--  = *str;
 166     *str++  = t;
 167   }
 168   return ret;
 169 }
 170
 171 /*********************************************************************
 172  *              _wcsset (MSVCRT.@)
 173  */
 174 MSVCRT_wchar_t* CDECL MSVCRT__wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
 175 {
 176   MSVCRT_wchar_t* ret = str;
 177   while (*str) *str++ = c;
 178   return ret;
 179 }
 180
 181 /******************************************************************
 182  *              _wcsupr_s_l (MSVCRT.@)
 183  */
 184 int CDECL MSVCRT__wcsupr_s_l( MSVCRT_wchar_t* str, MSVCRT_size_t n,
 185    MSVCRT__locale_t locale )
 186 {
 187   MSVCRT_wchar_t* ptr = str;
 188
 189   if (!str || !n)
 190   {
 191     if (str) *str = '\0';
 192     *MSVCRT__errno() = MSVCRT_EINVAL;
 193     return MSVCRT_EINVAL;
 194   }
 195
 196   while (n--)
 197   {
 198     if (!*ptr) return 0;
 199     /* FIXME: add locale support */
 200     *ptr = toupperW(*ptr);
 201     ptr++;
 202   }
 203
 204   /* MSDN claims that the function should return and set errno to
 205    * ERANGE, which doesn't seem to be true based on the tests. */
 206   *str = '\0';
 207   *MSVCRT__errno() = MSVCRT_EINVAL;
 208   return MSVCRT_EINVAL;
 209 }
 210
 211 /******************************************************************
 212  *              _wcsupr_s (MSVCRT.@)
 213  *
 214  */
 215 INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 216 {
 217   return MSVCRT__wcsupr_s_l( str, n, NULL );
 218 }
 219
 220 /******************************************************************
 221  *              _wcslwr_s (MSVCRT.@)
 222  */
 223 int CDECL MSVCRT__wcslwr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 224 {
 225   MSVCRT_wchar_t* ptr = str;
 226
 227   if (!str || !n)
 228   {
 229     if (str) *str = '\0';
 230     *MSVCRT__errno() = MSVCRT_EINVAL;
 231     return MSVCRT_EINVAL;
 232   }
 233
 234   while (n--)
 235   {
 236     if (!*ptr) return 0;
 237     *ptr = tolowerW(*ptr);
 238     ptr++;
 239   }
 240
 241   /* MSDN claims that the function should return and set errno to
 242    * ERANGE, which doesn't seem to be true based on the tests. */
 243   *str = '\0';
 244   *MSVCRT__errno() = MSVCRT_EINVAL;
 245   return MSVCRT_EINVAL;
 246 }
 247
 248 /*********************************************************************
 249  *              _wcsncoll_l (MSVCRT.@)
 250  */
 251 int CDECL MSVCRT__wcsncoll_l(const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2,
 252                               MSVCRT_size_t count, MSVCRT__locale_t locale)
 253 {
 254     MSVCRT_pthreadlocinfo locinfo;
 255
 256     if(!locale)
 257         locinfo = get_locinfo();
 258     else
 259         locinfo = locale->locinfo;
 260
 261     return CompareStringW(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, count, str2, count)-CSTR_EQUAL;
 262 }
 263
 264 /*********************************************************************
 265  *              _wcsncoll (MSVCRT.@)
 266  */
 267 int CDECL MSVCRT__wcsncoll(const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2, MSVCRT_size_t count)
 268 {
 269     return MSVCRT__wcsncoll_l(str1, str2, count, NULL);
 270 }
 271
 272 /*********************************************************************
 273  *              _wcstod_l (MSVCRT.@)
 274  */
 275 double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
 276         MSVCRT__locale_t locale)
 277 {
 278     MSVCRT_pthreadlocinfo locinfo;
 279     unsigned __int64 d=0, hlp;
 280     unsigned fpcontrol;
 281     int exp=0, sign=1;
 282     const MSVCRT_wchar_t *p;
 283     double ret;
 284     long double lret=1, expcnt = 10;
 285     BOOL found_digit = FALSE, negexp;
 286
 287     if (!MSVCRT_CHECK_PMT(str != NULL)) return 0;
 288
 289     if(!locale)
 290         locinfo = get_locinfo();
 291     else
 292         locinfo = locale->locinfo;
 293
 294     p = str;
 295     while(isspaceW(*p))
 296         p++;
 297
 298     if(*p == '-') {
 299         sign = -1;
 300         p++;
 301     } else  if(*p == '+')
 302         p++;
 303
 304     while(isdigitW(*p)) {
 305         found_digit = TRUE;
 306         hlp = d*10+*(p++)-'0';
 307         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 308             exp++;
 309             break;
 310         } else
 311             d = hlp;
 312     }
 313     while(isdigitW(*p)) {
 314         exp++;
 315         p++;
 316     }
 317     if(*p == *locinfo->lconv->decimal_point)
 318         p++;
 319
 320     while(isdigitW(*p)) {
 321         found_digit = TRUE;
 322         hlp = d*10+*(p++)-'0';
 323         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 324             break;
 325
 326         d = hlp;
 327         exp--;
 328     }
 329     while(isdigitW(*p))
 330         p++;
 331
 332     if(!found_digit) {
 333         if(end)
 334             *end = (MSVCRT_wchar_t*)str;
 335         return 0.0;
 336     }
 337
 338     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 339         int e=0, s=1;
 340
 341         p++;
 342         if(*p == '-') {
 343             s = -1;
 344             p++;
 345         } else if(*p == '+')
 346             p++;
 347
 348         if(isdigitW(*p)) {
 349             while(isdigitW(*p)) {
 350                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 351                     e = INT_MAX;
 352                 p++;
 353             }
 354             e *= s;
 355
 356             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 357             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 358             else exp += e;
 359         } else {
 360             if(*p=='-' || *p=='+')
 361                 p--;
 362             p--;
 363         }
 364     }
 365
 366     fpcontrol = _control87(0, 0);
 367     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 368             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 369
 370     negexp = (exp < 0);
 371     if(negexp)
 372         exp = -exp;
 373     while(exp) {
 374         if(exp & 1)
 375             lret *= expcnt;
 376         exp /= 2;
 377         expcnt = expcnt*expcnt;
 378     }
 379     ret = (long double)sign * (negexp ? d/lret : d*lret);
 380
 381     _control87(fpcontrol, 0xffffffff);
 382
 383     if((d && ret==0.0) || isinf(ret))
 384         *MSVCRT__errno() = MSVCRT_ERANGE;
 385
 386     if(end)
 387         *end = (MSVCRT_wchar_t*)p;
 388
 389     return ret;
 390 }
 391
 392 /*********************************************************************
 393  * wcsrtombs_l (INTERNAL)
 394  */
 395 static MSVCRT_size_t MSVCRT_wcsrtombs_l(char *mbstr, const MSVCRT_wchar_t **wcstr,
 396         MSVCRT_size_t count, MSVCRT__locale_t locale)
 397 {
 398     MSVCRT_pthreadlocinfo locinfo;
 399     MSVCRT_size_t tmp = 0;
 400     BOOL used_default;
 401
 402     if(!locale)
 403         locinfo = get_locinfo();
 404     else
 405         locinfo = locale->locinfo;
 406
 407     if(!mbstr) {
 408         tmp = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 409                 *wcstr, -1, NULL, 0, NULL, &used_default)-1;
 410         if(!tmp || used_default) {
 411             *MSVCRT__errno() = MSVCRT_EILSEQ;
 412             return -1;
 413         }
 414         return tmp;
 415     }
 416
 417     while(**wcstr) {
 418         char buf[3];
 419         MSVCRT_size_t i, size;
 420
 421         size = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 422                 *wcstr, 1, buf, 3, NULL, &used_default);
 423         if(!size || used_default) {
 424             *MSVCRT__errno() = MSVCRT_EILSEQ;
 425             return -1;
 426         }
 427         if(tmp+size > count)
 428             return tmp;
 429
 430         for(i=0; i<size; i++)
 431             mbstr[tmp++] = buf[i];
 432         (*wcstr)++;
 433     }
 434
 435     if(tmp < count) {
 436         mbstr[tmp] = '\0';
 437         *wcstr = NULL;
 438     }
 439     return tmp;
 440 }
 441
 442 /*********************************************************************
 443  *              _wcstombs_l (MSVCRT.@)
 444  */
 445 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 446         MSVCRT_size_t count, MSVCRT__locale_t locale)
 447 {
 448     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, locale);
 449 }
 450
 451 /*********************************************************************
 452  *              wcstombs (MSVCRT.@)
 453  */
 454 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 455         MSVCRT_size_t count)
 456 {
 457     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, NULL);
 458 }
 459
 460 /*********************************************************************
 461  *              wcsrtombs (MSVCRT.@)
 462  */
 463 MSVCRT_size_t CDECL MSVCRT_wcsrtombs(char *mbstr, const MSVCRT_wchar_t **wcstr,
 464         MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 465 {
 466     if(mbstate)
 467         *mbstate = 0;
 468
 469     return MSVCRT_wcsrtombs_l(mbstr, wcstr, count, NULL);
 470 }
 471
 472 /*********************************************************************
 473  * MSVCRT_wcsrtombs_s_l (INTERNAL)
 474  */
 475 static int MSVCRT_wcsrtombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 476         MSVCRT_size_t size, const MSVCRT_wchar_t **wcstr,
 477         MSVCRT_size_t count, MSVCRT__locale_t locale)
 478 {
 479     MSVCRT_size_t conv;
 480
 481     if(!mbstr && !size && wcstr) {
 482         conv = MSVCRT_wcsrtombs_l(NULL, wcstr, 0, locale);
 483         if(conv == -1)
 484             return *MSVCRT__errno();
 485         if(ret)
 486             *ret = conv+1;
 487         return 0;
 488     }
 489
 490     if (!MSVCRT_CHECK_PMT(mbstr != NULL)) return MSVCRT_EINVAL;
 491     if (size) mbstr[0] = '\0';
 492     if (!MSVCRT_CHECK_PMT(wcstr != NULL)) return MSVCRT_EINVAL;
 493     if (!MSVCRT_CHECK_PMT(*wcstr != NULL)) return MSVCRT_EINVAL;
 494
 495     if(count==MSVCRT__TRUNCATE || size<count)
 496         conv = size;
 497     else
 498         conv = count;
 499
 500     conv = MSVCRT_wcsrtombs_l(mbstr, wcstr, conv, locale);
 501     if(conv == -1) {
 502         if(size)
 503             mbstr[0] = '\0';
 504         return *MSVCRT__errno();
 505     }else if(conv < size)
 506         mbstr[conv++] = '\0';
 507     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 508         mbstr[conv-1] = '\0';
 509     else {
 510         MSVCRT_INVALID_PMT("mbstr[size] is too small", MSVCRT_ERANGE);
 511         if(size)
 512             mbstr[0] = '\0';
 513         return MSVCRT_ERANGE;
 514     }
 515
 516     if(ret)
 517         *ret = conv;
 518     return 0;
 519 }
 520
 521 /*********************************************************************
 522  *              _wcstombs_s_l (MSVCRT.@)
 523  */
 524 int CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 525         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 526         MSVCRT_size_t count, MSVCRT__locale_t locale)
 527 {
 528     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr,count, locale);
 529 }
 530
 531 /*********************************************************************
 532  *              wcstombs_s (MSVCRT.@)
 533  */
 534 int CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 535         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 536 {
 537     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr, count, NULL);
 538 }
 539
 540 /*********************************************************************
 541  *              wcsrtombs_s (MSVCRT.@)
 542  */
 543 int CDECL MSVCRT_wcsrtombs_s(MSVCRT_size_t *ret, char *mbstr, MSVCRT_size_t size,
 544         const MSVCRT_wchar_t **wcstr, MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 545 {
 546     if(mbstate)
 547         *mbstate = 0;
 548
 549     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 550 }
 551
 552 /*********************************************************************
 553  *              wcstod (MSVCRT.@)
 554  */
 555 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 556 {
 557     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 558 }
 559
 560 /*********************************************************************
 561  *              _wtof (MSVCRT.@)
 562  */
 563 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 564 {
 565     return MSVCRT__wcstod_l(str, NULL, NULL);
 566 }
 567
 568 /*********************************************************************
 569  *              _wtof_l (MSVCRT.@)
 570  */
 571 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 572 {
 573     return MSVCRT__wcstod_l(str, NULL, locale);
 574 }
 575
 576 /*********************************************************************
 577  * arg_clbk_valist (INTERNAL)
 578  */
 579 printf_arg arg_clbk_valist(void *ctx, int arg_pos, int type, __ms_va_list *valist)
 580 {
 581     printf_arg ret;
 582
 583     if(type == VT_I8)
 584         ret.get_longlong = va_arg(*valist, LONGLONG);
 585     else if(type == VT_INT)
 586         ret.get_int = va_arg(*valist, int);
 587     else if(type == VT_R8)
 588         ret.get_double = va_arg(*valist, double);
 589     else if(type == VT_PTR)
 590         ret.get_ptr = va_arg(*valist, void*);
 591     else {
 592         ERR("Incorrect type\n");
 593         ret.get_int = 0;
 594     }
 595
 596     return ret;
 597 }
 598
 599 /*********************************************************************
 600  * arg_clbk_positional (INTERNAL)
 601  */
 602 static printf_arg arg_clbk_positional(void *ctx, int pos, int type, __ms_va_list *valist)
 603 {
 604     printf_arg *args = ctx;
 605     return args[pos];
 606 }
 607
 608 /*********************************************************************
 609  *              _vsnprintf (MSVCRT.@)
 610  */
 611 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
 612                             const char *format, __ms_va_list valist )
 613 {
 614     static const char nullbyte = '\0';
 615     struct _str_ctx_a ctx = {len, str};
 616     int ret;
 617
 618     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, NULL, FALSE, FALSE,
 619             arg_clbk_valist, NULL, &valist);
 620     puts_clbk_str_a(&ctx, 1, &nullbyte);
 621     return ret;
 622 }
 623
 624 /*********************************************************************
 625 *               _vsnprintf_l (MSVCRT.@)
 626  */
 627 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
 628                             MSVCRT__locale_t locale, __ms_va_list valist )
 629 {
 630     static const char nullbyte = '\0';
 631     struct _str_ctx_a ctx = {len, str};
 632     int ret;
 633
 634     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, FALSE,
 635             arg_clbk_valist, NULL, &valist);
 636     puts_clbk_str_a(&ctx, 1, &nullbyte);
 637     return ret;
 638 }
 639
 640 /*********************************************************************
 641  *              _vsnprintf_s_l (MSVCRT.@)
 642  */
 643 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
 644         MSVCRT_size_t count, const char *format,
 645         MSVCRT__locale_t locale, __ms_va_list valist )
 646 {
 647     static const char nullbyte = '\0';
 648     struct _str_ctx_a ctx;
 649     int len, ret;
 650
 651     if(sizeOfBuffer<count+1 || count==-1)
 652         len = sizeOfBuffer;
 653     else
 654         len = count+1;
 655
 656     ctx.len = len;
 657     ctx.buf = str;
 658     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, TRUE,
 659             arg_clbk_valist, NULL, &valist);
 660     puts_clbk_str_a(&ctx, 1, &nullbyte);
 661
 662     if(ret<0 || ret==len) {
 663         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 664             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small", MSVCRT_ERANGE);
 665             memset(str, 0, sizeOfBuffer);
 666         } else
 667             str[len-1] = '\0';
 668
 669         return -1;
 670     }
 671
 672     return ret;
 673 }
 674
 675 /*********************************************************************
 676  *              _vsnprintf_s (MSVCRT.@)
 677  */
 678 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
 679         MSVCRT_size_t count, const char *format, __ms_va_list valist )
 680 {
 681     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
 682 }
 683
 684 /*********************************************************************
 685  *              vsprintf (MSVCRT.@)
 686  */
 687 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
 688 {
 689     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
 690 }
 691
 692 /*********************************************************************
 693  *              vsprintf_s (MSVCRT.@)
 694  */
 695 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
 696 {
 697     return MSVCRT_vsnprintf(str, num, format, valist);
 698 }
 699
 700 /*********************************************************************
 701  *              _vscprintf (MSVCRT.@)
 702  */
 703 int CDECL MSVCRT__vscprintf( const char *format, __ms_va_list valist )
 704 {
 705     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
 706 }
 707
 708 /*********************************************************************
 709  *              _snprintf (MSVCRT.@)
 710  */
 711 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 712 {
 713     int retval;
 714     __ms_va_list valist;
 715     __ms_va_start(valist, format);
 716     retval = MSVCRT_vsnprintf(str, len, format, valist);
 717     __ms_va_end(valist);
 718     return retval;
 719 }
 720
 721 /*********************************************************************
 722  *              _snprintf_s (MSVCRT.@)
 723  */
 724 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
 725     const char *format, ...)
 726 {
 727     int retval;
 728     __ms_va_list valist;
 729     __ms_va_start(valist, format);
 730     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
 731     __ms_va_end(valist);
 732     return retval;
 733 }
 734
 735 /*********************************************************************
 736  *              _scprintf (MSVCRT.@)
 737  */
 738 int CDECL MSVCRT__scprintf(const char *format, ...)
 739 {
 740     int retval;
 741     __ms_va_list valist;
 742     __ms_va_start(valist, format);
 743     retval = MSVCRT__vscprintf(format, valist);
 744     __ms_va_end(valist);
 745     return retval;
 746 }
 747
 748 /*********************************************************************
 749  *              _vsnwprintf (MSVCRT.@)
 750  */
 751 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 752         const MSVCRT_wchar_t *format, __ms_va_list valist)
 753 {
 754     static const MSVCRT_wchar_t nullbyte = '\0';
 755     struct _str_ctx_w ctx = {len, str};
 756     int ret;
 757
 758     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, NULL, FALSE, FALSE,
 759             arg_clbk_valist, NULL, &valist);
 760     puts_clbk_str_w(&ctx, 1, &nullbyte);
 761     return ret;
 762 }
 763
 764 /*********************************************************************
 765  *              _vsnwprintf_l (MSVCRT.@)
 766  */
 767 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 768         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
 769         __ms_va_list valist)
 770 {
 771     static const MSVCRT_wchar_t nullbyte = '\0';
 772     struct _str_ctx_w ctx = {len, str};
 773     int ret;
 774
 775     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, FALSE,
 776             arg_clbk_valist, NULL, &valist);
 777     puts_clbk_str_w(&ctx, 1, &nullbyte);
 778     return ret;
 779 }
 780
 781 /*********************************************************************
 782  *              _vswprintf_p_l (MSVCRT.@)
 783  */
 784 int CDECL MSVCRT_vswprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 785         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args)
 786 {
 787     static const MSVCRT_wchar_t nullbyte = '\0';
 788     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 789     struct _str_ctx_w puts_ctx = {length, buffer};
 790     int ret;
 791
 792     memset(args_ctx, 0, sizeof(args_ctx));
 793
 794     ret = create_positional_ctx_w(args_ctx, format, args);
 795     if(ret < 0)  {
 796         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 797         *MSVCRT__errno() = MSVCRT_EINVAL;
 798         return ret;
 799     } else if(ret == 0)
 800         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, FALSE, TRUE,
 801                 arg_clbk_valist, NULL, &args);
 802     else
 803         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, TRUE, TRUE,
 804                 arg_clbk_positional, args_ctx, NULL);
 805
 806     puts_clbk_str_w(&puts_ctx, 1, &nullbyte);
 807     return ret;
 808 }
 809
 810 /*********************************************************************
 811  *              _vsnwprintf_s_l (MSVCRT.@)
 812  */
 813 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 814         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
 815         MSVCRT__locale_t locale, __ms_va_list valist)
 816 {
 817     static const MSVCRT_wchar_t nullbyte = '\0';
 818     struct _str_ctx_w ctx;
 819     int len, ret;
 820
 821     len = sizeOfBuffer;
 822     if(count!=-1 && len>count+1)
 823         len = count+1;
 824
 825     ctx.len = len;
 826     ctx.buf = str;
 827     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, TRUE,
 828             arg_clbk_valist, NULL, &valist);
 829     puts_clbk_str_w(&ctx, 1, &nullbyte);
 830
 831     if(ret<0 || ret==len) {
 832         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 833             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small", MSVCRT_ERANGE);
 834             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
 835         } else
 836             str[len-1] = '\0';
 837
 838         return -1;
 839     }
 840
 841     return ret;
 842 }
 843
 844 /*********************************************************************
 845  *              _vsnwprintf_s (MSVCRT.@)
 846  */
 847 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 848         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
 849 {
 850     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
 851             format, NULL, valist);
 852 }
 853
 854 /*********************************************************************
 855  *              _snwprintf (MSVCRT.@)
 856  */
 857 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 858 {
 859     int retval;
 860     __ms_va_list valist;
 861     __ms_va_start(valist, format);
 862     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 863     __ms_va_end(valist);
 864     return retval;
 865 }
 866
 867 /*********************************************************************
 868  *              _snwprintf_l (MSVCRT.@)
 869  */
 870 int CDECL MSVCRT__snwprintf_l( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format,
 871         MSVCRT__locale_t locale, ...)
 872 {
 873     int retval;
 874     __ms_va_list valist;
 875     __ms_va_start(valist, locale);
 876     retval = MSVCRT_vsnwprintf_l(str, len, format, locale, valist);
 877     __ms_va_end(valist);
 878     return retval;
 879 }
 880
 881 /*********************************************************************
 882  *              _snwprintf_s (MSVCRT.@)
 883  */
 884 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
 885     const MSVCRT_wchar_t *format, ...)
 886 {
 887     int retval;
 888     __ms_va_list valist;
 889     __ms_va_start(valist, format);
 890     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
 891     __ms_va_end(valist);
 892     return retval;
 893 }
 894
 895 /*********************************************************************
 896  *              _snwprintf_s_l (MSVCRT.@)
 897  */
 898 int CDECL MSVCRT__snwprintf_s_l( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
 899         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ... )
 900 {
 901     int retval;
 902     __ms_va_list valist;
 903     __ms_va_start(valist, locale);
 904     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, locale, valist);
 905     __ms_va_end(valist);
 906     return retval;
 907 }
 908
 909 /*********************************************************************
 910  *              sprintf (MSVCRT.@)
 911  */
 912 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 913 {
 914     __ms_va_list ap;
 915     int r;
 916
 917     __ms_va_start( ap, format );
 918     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 919     __ms_va_end( ap );
 920     return r;
 921 }
 922
 923 /*********************************************************************
 924  *              sprintf_s (MSVCRT.@)
 925  */
 926 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
 927 {
 928     __ms_va_list ap;
 929     int r;
 930
 931     __ms_va_start( ap, format );
 932     r = MSVCRT_vsnprintf( str, num, format, ap );
 933     __ms_va_end( ap );
 934     return r;
 935 }
 936
 937 /*********************************************************************
 938  *              _scwprintf (MSVCRT.@)
 939  */
 940 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
 941 {
 942     __ms_va_list ap;
 943     int r;
 944
 945     __ms_va_start( ap, format );
 946     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
 947     __ms_va_end( ap );
 948     return r;
 949 }
 950
 951 /*********************************************************************
 952  *              swprintf (MSVCRT.@)
 953  */
 954 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 955 {
 956     __ms_va_list ap;
 957     int r;
 958
 959     __ms_va_start( ap, format );
 960     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 961     __ms_va_end( ap );
 962     return r;
 963 }
 964
 965 /*********************************************************************
 966  *              swprintf_s (MSVCRT.@)
 967  */
 968 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
 969         const MSVCRT_wchar_t *format, ... )
 970 {
 971     __ms_va_list ap;
 972     int r;
 973
 974     __ms_va_start(ap, format);
 975     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
 976     __ms_va_end(ap);
 977
 978     return r;
 979 }
 980
 981 /*********************************************************************
 982  *              _swprintf_s_l (MSVCRT.@)
 983  */
 984 int CDECL MSVCRT__swprintf_s_l(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
 985         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ... )
 986 {
 987     __ms_va_list ap;
 988     int r;
 989
 990     __ms_va_start(ap, locale);
 991     r = MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX, format, locale, ap);
 992     __ms_va_end(ap);
 993
 994     return r;
 995 }
 996
 997 /*********************************************************************
 998  *              _vswprintf (MSVCRT.@)
 999  */
1000 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1001 {
1002     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1003 }
1004
1005 /*********************************************************************
1006  *              _vswprintf (MSVCRT.@)
1007  */
1008 int CDECL MSVCRT_vswprintf_l( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format,
1009         MSVCRT__locale_t locale, __ms_va_list args )
1010 {
1011     return MSVCRT_vsnwprintf_l( str, INT_MAX, format, locale, args );
1012 }
1013
1014 /*********************************************************************
1015  *              _vscwprintf (MSVCRT.@)
1016  */
1017 int CDECL MSVCRT__vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1018 {
1019     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1020 }
1021
1022 /*********************************************************************
1023  *              _vscwprintf_l (MSVCRT.@)
1024  */
1025 int CDECL MSVCRT__vscwprintf_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
1026 {
1027     return MSVCRT_vsnwprintf_l( NULL, INT_MAX, format, locale, args );
1028 }
1029
1030 /*********************************************************************
1031  *              _vscwprintf_p_l (MSVCRT.@)
1032  */
1033 int CDECL MSVCRT__vscwprintf_p_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
1034 {
1035     return MSVCRT_vswprintf_p_l( NULL, INT_MAX, format, locale, args );
1036 }
1037
1038 /*********************************************************************
1039  *              vswprintf_s (MSVCRT.@)
1040  */
1041 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1042         const MSVCRT_wchar_t* format, __ms_va_list args)
1043 {
1044     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
1045 }
1046
1047 /*********************************************************************
1048  *              _vswprintf_s_l (MSVCRT.@)
1049  */
1050 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1051         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1052 {
1053     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
1054             format, locale, args );
1055 }
1056
1057 /*********************************************************************
1058  *              _vsprintf_p_l (MSVCRT.@)
1059  */
1060 int CDECL MSVCRT_vsprintf_p_l(char *buffer, MSVCRT_size_t length, const char *format,
1061         MSVCRT__locale_t locale, __ms_va_list args)
1062 {
1063     static const char nullbyte = '\0';
1064     printf_arg args_ctx[MSVCRT__ARGMAX+1];
1065     struct _str_ctx_a puts_ctx = {length, buffer};
1066     int ret;
1067
1068     memset(args_ctx, 0, sizeof(args_ctx));
1069
1070     ret = create_positional_ctx_a(args_ctx, format, args);
1071     if(ret < 0) {
1072         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1073         *MSVCRT__errno() = MSVCRT_EINVAL;
1074         return ret;
1075     } else if(ret == 0)
1076         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, FALSE, TRUE,
1077                 arg_clbk_valist, NULL, &args);
1078     else
1079         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, TRUE, TRUE,
1080                 arg_clbk_positional, args_ctx, NULL);
1081
1082     puts_clbk_str_a(&puts_ctx, 1, &nullbyte);
1083     return ret;
1084 }
1085
1086 /*********************************************************************
1087  *              _vsprintf_p (MSVCRT.@)
1088  */
1089 int CDECL MSVCRT_vsprintf_p(char *buffer, MSVCRT_size_t length,
1090         const char *format, __ms_va_list args)
1091 {
1092     return MSVCRT_vsprintf_p_l(buffer, length, format, NULL, args);
1093 }
1094
1095 /*********************************************************************
1096  *              _sprintf_p_l (MSVCRT.@)
1097  */
1098 int CDECL MSVCRT_sprintf_p_l(char *buffer, MSVCRT_size_t length,
1099         const char *format, MSVCRT__locale_t locale, ...)
1100 {
1101     __ms_va_list valist;
1102     int r;
1103
1104     __ms_va_start(valist, locale);
1105     r = MSVCRT_vsprintf_p_l(buffer, length, format, locale, valist);
1106     __ms_va_end(valist);
1107
1108     return r;
1109 }
1110
1111 /*********************************************************************
1112  *              _swprintf_p_l (MSVCRT.@)
1113  */
1114 int CDECL MSVCRT_swprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
1115         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
1116 {
1117     __ms_va_list valist;
1118     int r;
1119
1120     __ms_va_start(valist, locale);
1121     r = MSVCRT_vswprintf_p_l(buffer, length, format, locale, valist);
1122     __ms_va_end(valist);
1123
1124     return r;
1125 }
1126
1127 /*********************************************************************
1128  *              _wcscoll_l (MSVCRT.@)
1129  */
1130 int CDECL MSVCRT__wcscoll_l(const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2, MSVCRT__locale_t locale)
1131 {
1132     MSVCRT_pthreadlocinfo locinfo;
1133
1134     if(!locale)
1135         locinfo = get_locinfo();
1136     else
1137         locinfo = locale->locinfo;
1138
1139     return CompareStringW(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, -1, str2, -1)-CSTR_EQUAL;
1140 }
1141
1142 /*********************************************************************
1143  *              wcscoll (MSVCRT.@)
1144  */
1145 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1146 {
1147     return MSVCRT__wcscoll_l(str1, str2, NULL);
1148 }
1149
1150 /*********************************************************************
1151  *              wcspbrk (MSVCRT.@)
1152  */
1153 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1154 {
1155     const MSVCRT_wchar_t* p;
1156
1157     while (*str)
1158     {
1159         for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1160         str++;
1161     }
1162     return NULL;
1163 }
1164
1165 /*********************************************************************
1166  *              wcstok_s  (MSVCRT.@)
1167  */
1168 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
1169                                  MSVCRT_wchar_t **next_token )
1170 {
1171     MSVCRT_wchar_t *ret;
1172
1173     if (!MSVCRT_CHECK_PMT(delim != NULL)) return NULL;
1174     if (!MSVCRT_CHECK_PMT(next_token != NULL)) return NULL;
1175     if (!MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL)) return NULL;
1176
1177     if (!str) str = *next_token;
1178
1179     while (*str && strchrW( delim, *str )) str++;
1180     if (!*str) return NULL;
1181     ret = str++;
1182     while (*str && !strchrW( delim, *str )) str++;
1183     if (*str) *str++ = 0;
1184     *next_token = str;
1185     return ret;
1186 }
1187
1188 /*********************************************************************
1189  *              wcstok  (MSVCRT.@)
1190  */
1191 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1192 {
1193     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1194 }
1195
1196 /*********************************************************************
1197  *              _wctomb_s_l (MSVCRT.@)
1198  */
1199 int CDECL MSVCRT__wctomb_s_l(int *len, char *mbchar, MSVCRT_size_t size,
1200         MSVCRT_wchar_t wch, MSVCRT__locale_t locale)
1201 {
1202     MSVCRT_pthreadlocinfo locinfo;
1203     BOOL error;
1204     int mblen;
1205
1206     if(!mbchar && size>0) {
1207         if(len)
1208             *len = 0;
1209         return 0;
1210     }
1211
1212     if(len)
1213         *len = -1;
1214
1215     if(!MSVCRT_CHECK_PMT(size <= INT_MAX))
1216         return MSVCRT_EINVAL;
1217
1218     if(!locale)
1219         locinfo = get_locinfo();
1220     else
1221         locinfo = locale->locinfo;
1222
1223     if(!locinfo->lc_codepage) {
1224         if(wch > 0xff) {
1225             if(mbchar && size>0)
1226                 memset(mbchar, 0, size);
1227             *MSVCRT__errno() = MSVCRT_EILSEQ;
1228             return MSVCRT_EILSEQ;
1229         }
1230
1231         if(!MSVCRT_CHECK_PMT_ERR(size >= 1, MSVCRT_ERANGE))
1232             return MSVCRT_ERANGE;
1233
1234         *mbchar = wch;
1235         if(len)
1236             *len = 1;
1237         return 0;
1238     }
1239
1240     mblen = WideCharToMultiByte(locinfo->lc_codepage, 0, &wch, 1, mbchar, size, NULL, &error);
1241     if(!mblen || error) {
1242         if(!mblen && GetLastError()==ERROR_INSUFFICIENT_BUFFER) {
1243             if(mbchar && size>0)
1244                 memset(mbchar, 0, size);
1245
1246             MSVCRT_INVALID_PMT("insufficient buffer size", MSVCRT_ERANGE);
1247             return MSVCRT_ERANGE;
1248         }
1249
1250         *MSVCRT__errno() = MSVCRT_EILSEQ;
1251         return MSVCRT_EILSEQ;
1252     }
1253
1254     if(len)
1255         *len = mblen;
1256     return 0;
1257 }
1258
1259 /*********************************************************************
1260  *              wctomb_s (MSVCRT.@)
1261  */
1262 int CDECL MSVCRT_wctomb_s(int *len, char *mbchar, MSVCRT_size_t size, MSVCRT_wchar_t wch)
1263 {
1264     return MSVCRT__wctomb_s_l(len, mbchar, size, wch, NULL);
1265 }
1266
1267 /*********************************************************************
1268  *              _wctomb_l (MSVCRT.@)
1269  */
1270 int CDECL MSVCRT__wctomb_l(char *dst, MSVCRT_wchar_t ch, MSVCRT__locale_t locale)
1271 {
1272     int len;
1273
1274     MSVCRT__wctomb_s_l(&len, dst, dst ? 6 : 0, ch, locale);
1275     return len;
1276 }
1277
1278 /*********************************************************************
1279  *              wctomb (MSVCRT.@)
1280  */
1281 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1282 {
1283     return MSVCRT__wctomb_l(dst, ch, NULL);
1284 }
1285
1286 /*********************************************************************
1287  *              wctob (MSVCRT.@)
1288  */
1289 INT CDECL MSVCRT_wctob( MSVCRT_wint_t wchar )
1290 {
1291     char out;
1292     BOOL error;
1293     UINT codepage = get_locinfo()->lc_codepage;
1294
1295     if(!codepage) {
1296         if (wchar < 0xff)
1297             return (signed char)wchar;
1298         else
1299             return MSVCRT_EOF;
1300     } else if(WideCharToMultiByte( codepage, 0, &wchar, 1, &out, 1, NULL, &error ) && !error)
1301         return (INT)out;
1302     return MSVCRT_EOF;
1303 }
1304
1305 /*********************************************************************
1306  *              wcrtomb (MSVCRT.@)
1307  */
1308 MSVCRT_size_t CDECL MSVCRT_wcrtomb( char *dst, MSVCRT_wchar_t ch, MSVCRT_mbstate_t *s)
1309 {
1310     if(s)
1311         *s = 0;
1312     return MSVCRT_wctomb(dst, ch);
1313 }
1314
1315 /*********************************************************************
1316  *              iswalnum (MSVCRT.@)
1317  */
1318 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1319 {
1320     return isalnumW( wc );
1321 }
1322
1323 /*********************************************************************
1324  *              iswalpha (MSVCRT.@)
1325  */
1326 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1327 {
1328     return isalphaW( wc );
1329 }
1330
1331 /*********************************************************************
1332  *              iswalpha_l (MSVCRT.@)
1333  */
1334 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1335 {
1336     return isalphaW( wc );
1337 }
1338
1339 /*********************************************************************
1340  *              iswcntrl (MSVCRT.@)
1341  */
1342 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1343 {
1344     return iscntrlW( wc );
1345 }
1346
1347 /*********************************************************************
1348  *              iswdigit (MSVCRT.@)
1349  */
1350 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1351 {
1352     return isdigitW( wc );
1353 }
1354
1355 /*********************************************************************
1356  *              _iswdigit_l (MSVCRT.@)
1357  */
1358 INT CDECL MSVCRT__iswdigit_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1359 {
1360     return isdigitW( wc );
1361 }
1362
1363 /*********************************************************************
1364  *              iswgraph (MSVCRT.@)
1365  */
1366 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1367 {
1368     return isgraphW( wc );
1369 }
1370
1371 /*********************************************************************
1372  *              iswlower (MSVCRT.@)
1373  */
1374 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1375 {
1376     return islowerW( wc );
1377 }
1378
1379 /*********************************************************************
1380  *              iswprint (MSVCRT.@)
1381  */
1382 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1383 {
1384     return isprintW( wc );
1385 }
1386
1387 /*********************************************************************
1388  *              iswpunct (MSVCRT.@)
1389  */
1390 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1391 {
1392     return ispunctW( wc );
1393 }
1394
1395 /*********************************************************************
1396  *              iswspace (MSVCRT.@)
1397  */
1398 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1399 {
1400     return isspaceW( wc );
1401 }
1402
1403 /*********************************************************************
1404  *              iswupper (MSVCRT.@)
1405  */
1406 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1407 {
1408     return isupperW( wc );
1409 }
1410
1411 /*********************************************************************
1412  *              iswxdigit (MSVCRT.@)
1413  */
1414 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1415 {
1416     return isxdigitW( wc );
1417 }
1418
1419 /*********************************************************************
1420  *              wcscpy_s (MSVCRT.@)
1421  */
1422 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1423 {
1424     MSVCRT_size_t size = 0;
1425
1426     if(!MSVCRT_CHECK_PMT(wcDest)) return MSVCRT_EINVAL;
1427     if(!MSVCRT_CHECK_PMT(numElement)) return MSVCRT_EINVAL;
1428
1429     wcDest[0] = 0;
1430
1431     if(!MSVCRT_CHECK_PMT(wcSrc)) return MSVCRT_EINVAL;
1432
1433     size = strlenW(wcSrc) + 1;
1434
1435     if(!MSVCRT_CHECK_PMT_ERR(size <= numElement, MSVCRT_ERANGE))
1436         return MSVCRT_ERANGE;
1437
1438     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1439
1440     return 0;
1441 }
1442
1443 /******************************************************************
1444  *              wcsncpy (MSVCRT.@)
1445  */
1446 MSVCRT_wchar_t* __cdecl MSVCRT_wcsncpy( MSVCRT_wchar_t* s1,
1447         const MSVCRT_wchar_t *s2, MSVCRT_size_t n )
1448 {
1449     MSVCRT_size_t i;
1450
1451     for(i=0; i<n; i++)
1452         if(!(s1[i] = s2[i])) break;
1453     for(; i<n; i++)
1454         s1[i] = 0;
1455     return s1;
1456 }
1457
1458 /******************************************************************
1459  *              wcsncpy_s (MSVCRT.@)
1460  */
1461 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1462                             MSVCRT_size_t count )
1463 {
1464     WCHAR *p = wcDest;
1465     BOOL truncate = (count == MSVCRT__TRUNCATE);
1466
1467     if(!wcDest && !numElement && !count)
1468         return 0;
1469
1470     if (!wcDest || !numElement)
1471         return MSVCRT_EINVAL;
1472
1473     if (!wcSrc)
1474     {
1475         *wcDest = 0;
1476         return count ? MSVCRT_EINVAL : 0;
1477     }
1478
1479     while (numElement && count && *wcSrc)
1480     {
1481         *p++ = *wcSrc++;
1482         numElement--;
1483         count--;
1484     }
1485     if (!numElement && truncate)
1486     {
1487         *(p-1) = 0;
1488         return MSVCRT_STRUNCATE;
1489     }
1490     else if (!numElement)
1491     {
1492         *wcDest = 0;
1493         return MSVCRT_ERANGE;
1494     }
1495
1496     *p = 0;
1497     return 0;
1498 }
1499
1500 /******************************************************************
1501  *              wcscat_s (MSVCRT.@)
1502  *
1503  */
1504 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1505 {
1506     MSVCRT_wchar_t* ptr = dst;
1507
1508     if (!dst || elem == 0) return MSVCRT_EINVAL;
1509     if (!src)
1510     {
1511         dst[0] = '\0';
1512         return MSVCRT_EINVAL;
1513     }
1514
1515     /* seek to end of dst string (or elem if no end of string is found */
1516     while (ptr < dst + elem && *ptr != '\0') ptr++;
1517     while (ptr < dst + elem)
1518     {
1519         if ((*ptr++ = *src++) == '\0') return 0;
1520     }
1521     /* not enough space */
1522     dst[0] = '\0';
1523     return MSVCRT_ERANGE;
1524 }
1525
1526 /*********************************************************************
1527  *  wcsncat_s (MSVCRT.@)
1528  *
1529  */
1530 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1531         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1532 {
1533     MSVCRT_size_t srclen;
1534     MSVCRT_wchar_t dststart;
1535     INT ret = 0;
1536
1537     if (!MSVCRT_CHECK_PMT(dst != NULL)) return MSVCRT_EINVAL;
1538     if (!MSVCRT_CHECK_PMT(elem > 0)) return MSVCRT_EINVAL;
1539     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0)) return MSVCRT_EINVAL;
1540
1541     if (count == 0)
1542         return 0;
1543
1544     for (dststart = 0; dststart < elem; dststart++)
1545     {
1546         if (dst[dststart] == '\0')
1547             break;
1548     }
1549     if (dststart == elem)
1550     {
1551         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n", MSVCRT_EINVAL);
1552         return MSVCRT_EINVAL;
1553     }
1554
1555     if (count == MSVCRT__TRUNCATE)
1556     {
1557         srclen = strlenW(src);
1558         if (srclen >= (elem - dststart))
1559         {
1560             srclen = elem - dststart - 1;
1561             ret = MSVCRT_STRUNCATE;
1562         }
1563     }
1564     else
1565         srclen = min(strlenW(src), count);
1566     if (srclen < (elem - dststart))
1567     {
1568         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1569         dst[dststart+srclen] = '\0';
1570         return ret;
1571     }
1572     MSVCRT_INVALID_PMT("dst[elem] is too small", MSVCRT_ERANGE);
1573     dst[0] = '\0';
1574     return MSVCRT_ERANGE;
1575 }
1576
1577 /*********************************************************************
1578  *  _wcstoi64_l (MSVCRT.@)
1579  *
1580  * FIXME: locale parameter is ignored
1581  */
1582 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1583         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1584 {
1585     BOOL negative = FALSE;
1586     __int64 ret = 0;
1587
1588     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1589
1590     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1591     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1592     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1593
1594     while(isspaceW(*nptr)) nptr++;
1595
1596     if(*nptr == '-') {
1597         negative = TRUE;
1598         nptr++;
1599     } else if(*nptr == '+')
1600         nptr++;
1601
1602     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1603         base = 16;
1604         nptr += 2;
1605     }
1606
1607     if(base == 0) {
1608         if(*nptr=='0')
1609             base = 8;
1610         else
1611             base = 10;
1612     }
1613
1614     while(*nptr) {
1615         MSVCRT_wchar_t cur = tolowerW(*nptr);
1616         int v;
1617
1618         if(isdigitW(cur)) {
1619             if(cur >= '0'+base)
1620                 break;
1621             v = cur-'0';
1622         } else {
1623             if(cur<'a' || cur>='a'+base-10)
1624                 break;
1625             v = cur-'a'+10;
1626         }
1627
1628         if(negative)
1629             v = -v;
1630
1631         nptr++;
1632
1633         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1634             ret = MSVCRT_I64_MAX;
1635             *MSVCRT__errno() = MSVCRT_ERANGE;
1636         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1637             ret = MSVCRT_I64_MIN;
1638             *MSVCRT__errno() = MSVCRT_ERANGE;
1639         } else
1640             ret = ret*base + v;
1641     }
1642
1643     if(endptr)
1644         *endptr = (MSVCRT_wchar_t*)nptr;
1645
1646     return ret;
1647 }
1648
1649 /*********************************************************************
1650  *  _wcstoi64 (MSVCRT.@)
1651  */
1652 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1653         MSVCRT_wchar_t **endptr, int base)
1654 {
1655     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1656 }
1657
1658 /*********************************************************************
1659  *  _wcstol_l (MSVCRT.@)
1660  */
1661 MSVCRT_long CDECL MSVCRT__wcstol_l(const MSVCRT_wchar_t *s,
1662         MSVCRT_wchar_t **end, int base, MSVCRT__locale_t locale)
1663 {
1664     __int64 ret = MSVCRT__wcstoi64_l(s, end, base, locale);
1665
1666     if(ret > MSVCRT_LONG_MAX) {
1667         ret = MSVCRT_LONG_MAX;
1668         *MSVCRT__errno() = MSVCRT_ERANGE;
1669     }else if(ret < MSVCRT_LONG_MIN) {
1670         ret = MSVCRT_LONG_MIN;
1671         *MSVCRT__errno() = MSVCRT_ERANGE;
1672     }
1673     return ret;
1674 }
1675
1676 /*********************************************************************
1677  *  _wtoi_l (MSVCRT.@)
1678  */
1679 int __cdecl MSVCRT__wtoi_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
1680 {
1681     __int64 ret = MSVCRT__wcstoi64_l(str, NULL, 10, locale);
1682
1683     if(ret > INT_MAX) {
1684         ret = INT_MAX;
1685         *MSVCRT__errno() = MSVCRT_ERANGE;
1686     } else if(ret < INT_MIN) {
1687         ret = INT_MIN;
1688         *MSVCRT__errno() = MSVCRT_ERANGE;
1689     }
1690     return ret;
1691 }
1692
1693 /*********************************************************************
1694  *  _wtoi (MSVCRT.@)
1695  */
1696 int __cdecl MSVCRT__wtoi(const MSVCRT_wchar_t *str)
1697 {
1698     return MSVCRT__wtoi_l(str, NULL);
1699 }
1700
1701 /*********************************************************************
1702  *  _wtol_l (MSVCRT.@)
1703  */
1704 MSVCRT_long __cdecl MSVCRT__wtol_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
1705 {
1706     __int64 ret = MSVCRT__wcstoi64_l(str, NULL, 10, locale);
1707
1708     if(ret > MSVCRT_LONG_MAX) {
1709         ret = MSVCRT_LONG_MAX;
1710         *MSVCRT__errno() = MSVCRT_ERANGE;
1711     } else if(ret < MSVCRT_LONG_MIN) {
1712         ret = MSVCRT_LONG_MIN;
1713         *MSVCRT__errno() = MSVCRT_ERANGE;
1714     }
1715     return ret;
1716 }
1717
1718 /*********************************************************************
1719  *  _wtol (MSVCRT.@)
1720  */
1721 MSVCRT_long __cdecl MSVCRT__wtol(const MSVCRT_wchar_t *str)
1722 {
1723     return MSVCRT__wtol_l(str, NULL);
1724 }
1725
1726 /*********************************************************************
1727  *  _wcstoui64_l (MSVCRT.@)
1728  *
1729  * FIXME: locale parameter is ignored
1730  */
1731 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1732         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1733 {
1734     BOOL negative = FALSE;
1735     unsigned __int64 ret = 0;
1736
1737     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1738
1739     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1740     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1741     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1742
1743     while(isspaceW(*nptr)) nptr++;
1744
1745     if(*nptr == '-') {
1746         negative = TRUE;
1747         nptr++;
1748     } else if(*nptr == '+')
1749         nptr++;
1750
1751     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1752         base = 16;
1753         nptr += 2;
1754     }
1755
1756     if(base == 0) {
1757         if(*nptr=='0')
1758             base = 8;
1759         else
1760             base = 10;
1761     }
1762
1763     while(*nptr) {
1764         MSVCRT_wchar_t cur = tolowerW(*nptr);
1765         int v;
1766
1767         if(isdigitW(cur)) {
1768             if(cur >= '0'+base)
1769                 break;
1770             v = *nptr-'0';
1771         } else {
1772             if(cur<'a' || cur>='a'+base-10)
1773                 break;
1774             v = cur-'a'+10;
1775         }
1776
1777         nptr++;
1778
1779         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1780             ret = MSVCRT_UI64_MAX;
1781             *MSVCRT__errno() = MSVCRT_ERANGE;
1782         } else
1783             ret = ret*base + v;
1784     }
1785
1786     if(endptr)
1787         *endptr = (MSVCRT_wchar_t*)nptr;
1788
1789     return negative ? -ret : ret;
1790 }
1791
1792 /*********************************************************************
1793  *  _wcstoui64 (MSVCRT.@)
1794  */
1795 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1796         MSVCRT_wchar_t **endptr, int base)
1797 {
1798     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1799 }
1800
1801 /*********************************************************************
1802  *  _wcstoul_l (MSVCRT.@)
1803  */
1804 MSVCRT_ulong __cdecl MSVCRT__wcstoul_l(const MSVCRT_wchar_t *s,
1805         MSVCRT_wchar_t **end, int base, MSVCRT__locale_t locale)
1806 {
1807     __int64 ret = MSVCRT__wcstoui64_l(s, end, base, locale);
1808
1809     if(ret > MSVCRT_ULONG_MAX) {
1810         ret = MSVCRT_ULONG_MAX;
1811         *MSVCRT__errno() = MSVCRT_ERANGE;
1812     }
1813     return ret;
1814 }
1815
1816 /*********************************************************************
1817    *  wcstoul (MSVCRT.@)
1818     */
1819 MSVCRT_ulong __cdecl MSVCRT_wcstoul(const MSVCRT_wchar_t *s, MSVCRT_wchar_t **end, int base)
1820 {
1821     return MSVCRT__wcstoul_l(s, end, base, NULL);
1822 }
1823
1824 /******************************************************************
1825  *  wcsnlen (MSVCRT.@)
1826  */
1827 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1828 {
1829     MSVCRT_size_t i;
1830
1831     for (i = 0; i < maxlen; i++)
1832         if (!s[i]) break;
1833     return i;
1834 }
1835
1836 /*********************************************************************
1837  *              _towupper_l (MSVCRT.@)
1838  */
1839 int CDECL MSVCRT__towupper_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1840 {
1841     return toupperW(c);
1842 }
1843
1844 /*********************************************************************
1845  *              towupper (MSVCRT.@)
1846  */
1847 int CDECL MSVCRT_towupper(MSVCRT_wint_t c)
1848 {
1849     return MSVCRT__towupper_l(c, NULL);
1850 }
1851
1852 /*********************************************************************
1853  *              _towlower_l (MSVCRT.@)
1854  */
1855 int CDECL MSVCRT__towlower_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1856 {
1857     return tolowerW(c);
1858 }
1859
1860 /*********************************************************************
1861  *              towlower (MSVCRT.@)
1862  */
1863 int CDECL MSVCRT_towlower(MSVCRT_wint_t c)
1864 {
1865     return MSVCRT__towlower_l(c, NULL);
1866 }
1867
1868 /*********************************************************************
1869  *              wcschr (MSVCRT.@)
1870  */
1871 MSVCRT_wchar_t* CDECL MSVCRT_wcschr(const MSVCRT_wchar_t *str, MSVCRT_wchar_t ch)
1872 {
1873     return strchrW(str, ch);
1874 }
1875
1876 /***********************************************************************
1877  *              wcslen (MSVCRT.@)
1878  */
1879 int CDECL MSVCRT_wcslen(const MSVCRT_wchar_t *str)
1880 {
1881     return strlenW(str);
1882 }
1883
1884 /*********************************************************************
1885  *              wcsstr (MSVCRT.@)
1886  */
1887 MSVCRT_wchar_t* CDECL MSVCRT_wcsstr(const MSVCRT_wchar_t *str, const MSVCRT_wchar_t *sub)
1888 {
1889     return strstrW(str, sub);
1890 }
1891
1892 /*********************************************************************
1893  *              _wtoi64_l (MSVCRT.@)
1894  */
1895 __int64 CDECL _wtoi64_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
1896 {
1897     ULONGLONG RunningTotal = 0;
1898     char bMinus = 0;
1899
1900     while (isspaceW(*str)) {
1901         str++;
1902     } /* while */
1903
1904     if (*str == '+') {
1905         str++;
1906     } else if (*str == '-') {
1907         bMinus = 1;
1908         str++;
1909     } /* if */
1910
1911     while (*str >= '0' && *str <= '9') {
1912         RunningTotal = RunningTotal * 10 + *str - '0';
1913         str++;
1914     } /* while */
1915
1916     return bMinus ? -RunningTotal : RunningTotal;
1917 }
1918
1919 /*********************************************************************
1920  *              _wtoi64 (MSVCRT.@)
1921  */
1922 __int64 CDECL _wtoi64(const MSVCRT_wchar_t *str)
1923 {
1924     return _wtoi64_l(str, NULL);
1925 }
1926
1927 /*********************************************************************
1928  *           wcsncmp    (MSVCRT.@)
1929  */
1930 int CDECL MSVCRT_wcsncmp(const MSVCRT_wchar_t *str1, const MSVCRT_wchar_t *str2, int n)
1931 {
1932     return strncmpW(str1, str2, n);
1933 }