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 ? TRUE : FALSE);
  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 /*********************************************************************
  73  *              _wcsicoll (MSVCRT.@)
  74  */
  75 INT CDECL MSVCRT__wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  76 {
  77   /* FIXME: handle collates */
  78   return strcmpiW( str1, str2 );
  79 }
  80
  81 /*********************************************************************
  82  *              _wcsnicoll (MSVCRT.@)
  83  */
  84 INT CDECL MSVCRT__wcsnicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2, MSVCRT_size_t count )
  85 {
  86   /* FIXME: handle collates */
  87   return strncmpiW( str1, str2, count );
  88 }
  89
  90 /*********************************************************************
  91  *              _wcsnset (MSVCRT.@)
  92  */
  93 MSVCRT_wchar_t* CDECL MSVCRT__wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  94 {
  95   MSVCRT_wchar_t* ret = str;
  96   while ((n-- > 0) && *str) *str++ = c;
  97   return ret;
  98 }
  99
 100 /*********************************************************************
 101  *              _wcsrev (MSVCRT.@)
 102  */
 103 MSVCRT_wchar_t* CDECL MSVCRT__wcsrev( MSVCRT_wchar_t* str )
 104 {
 105   MSVCRT_wchar_t* ret = str;
 106   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
 107   while (end > str)
 108   {
 109     MSVCRT_wchar_t t = *end;
 110     *end--  = *str;
 111     *str++  = t;
 112   }
 113   return ret;
 114 }
 115
 116 /*********************************************************************
 117  *              _wcsset (MSVCRT.@)
 118  */
 119 MSVCRT_wchar_t* CDECL MSVCRT__wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
 120 {
 121   MSVCRT_wchar_t* ret = str;
 122   while (*str) *str++ = c;
 123   return ret;
 124 }
 125
 126 /******************************************************************
 127  *              _wcsupr_s_l (MSVCRT.@)
 128  */
 129 int CDECL MSVCRT__wcsupr_s_l( MSVCRT_wchar_t* str, MSVCRT_size_t n,
 130    MSVCRT__locale_t locale )
 131 {
 132   MSVCRT_wchar_t* ptr = str;
 133
 134   if (!str || !n)
 135   {
 136     if (str) *str = '\0';
 137     *MSVCRT__errno() = MSVCRT_EINVAL;
 138     return MSVCRT_EINVAL;
 139   }
 140
 141   while (n--)
 142   {
 143     if (!*ptr) return 0;
 144     /* FIXME: add locale support */
 145     *ptr = toupperW(*ptr);
 146     ptr++;
 147   }
 148
 149   /* MSDN claims that the function should return and set errno to
 150    * ERANGE, which doesn't seem to be true based on the tests. */
 151   *str = '\0';
 152   *MSVCRT__errno() = MSVCRT_EINVAL;
 153   return MSVCRT_EINVAL;
 154 }
 155
 156 /******************************************************************
 157  *              _wcsupr_s (MSVCRT.@)
 158  *
 159  */
 160 INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 161 {
 162   return MSVCRT__wcsupr_s_l( str, n, NULL );
 163 }
 164
 165 /******************************************************************
 166  *              _wcslwr_s (MSVCRT.@)
 167  */
 168 int CDECL MSVCRT__wcslwr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 169 {
 170   MSVCRT_wchar_t* ptr = str;
 171
 172   if (!str || !n)
 173   {
 174     if (str) *str = '\0';
 175     *MSVCRT__errno() = MSVCRT_EINVAL;
 176     return MSVCRT_EINVAL;
 177   }
 178
 179   while (n--)
 180   {
 181     if (!*ptr) return 0;
 182     *ptr = tolowerW(*ptr);
 183     ptr++;
 184   }
 185
 186   /* MSDN claims that the function should return and set errno to
 187    * ERANGE, which doesn't seem to be true based on the tests. */
 188   *str = '\0';
 189   *MSVCRT__errno() = MSVCRT_EINVAL;
 190   return MSVCRT_EINVAL;
 191 }
 192
 193 /*********************************************************************
 194  * _wcstod_l - not exported in native msvcrt
 195  */
 196 double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
 197         MSVCRT__locale_t locale)
 198 {
 199     MSVCRT_pthreadlocinfo locinfo;
 200     unsigned __int64 d=0, hlp;
 201     unsigned fpcontrol;
 202     int exp=0, sign=1;
 203     const MSVCRT_wchar_t *p;
 204     double ret;
 205     BOOL found_digit = FALSE;
 206
 207     if (!MSVCRT_CHECK_PMT(str != NULL)) {
 208         *MSVCRT__errno() = MSVCRT_EINVAL;
 209         return 0;
 210     }
 211
 212     if(!locale)
 213         locinfo = get_locinfo();
 214     else
 215         locinfo = locale->locinfo;
 216
 217     p = str;
 218     while(isspaceW(*p))
 219         p++;
 220
 221     if(*p == '-') {
 222         sign = -1;
 223         p++;
 224     } else  if(*p == '+')
 225         p++;
 226
 227     while(isdigitW(*p)) {
 228         found_digit = TRUE;
 229         hlp = d*10+*(p++)-'0';
 230         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 231             exp++;
 232             break;
 233         } else
 234             d = hlp;
 235     }
 236     while(isdigitW(*p)) {
 237         exp++;
 238         p++;
 239     }
 240     if(*p == *locinfo->lconv->decimal_point)
 241         p++;
 242
 243     while(isdigitW(*p)) {
 244         found_digit = TRUE;
 245         hlp = d*10+*(p++)-'0';
 246         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 247             break;
 248
 249         d = hlp;
 250         exp--;
 251     }
 252     while(isdigitW(*p))
 253         p++;
 254
 255     if(!found_digit) {
 256         if(end)
 257             *end = (MSVCRT_wchar_t*)str;
 258         return 0.0;
 259     }
 260
 261     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 262         int e=0, s=1;
 263
 264         p++;
 265         if(*p == '-') {
 266             s = -1;
 267             p++;
 268         } else if(*p == '+')
 269             p++;
 270
 271         if(isdigitW(*p)) {
 272             while(isdigitW(*p)) {
 273                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 274                     e = INT_MAX;
 275                 p++;
 276             }
 277             e *= s;
 278
 279             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 280             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 281             else exp += e;
 282         } else {
 283             if(*p=='-' || *p=='+')
 284                 p--;
 285             p--;
 286         }
 287     }
 288
 289     fpcontrol = _control87(0, 0);
 290     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 291             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 292
 293     if(exp>0)
 294         ret = (double)sign*d*pow(10, exp);
 295     else
 296         ret = (double)sign*d/pow(10, -exp);
 297
 298     _control87(fpcontrol, 0xffffffff);
 299
 300     if((d && ret==0.0) || isinf(ret))
 301         *MSVCRT__errno() = MSVCRT_ERANGE;
 302
 303     if(end)
 304         *end = (MSVCRT_wchar_t*)p;
 305
 306     return ret;
 307 }
 308
 309 /*********************************************************************
 310  * wcsrtombs_l (INTERNAL)
 311  */
 312 static MSVCRT_size_t CDECL MSVCRT_wcsrtombs_l(char *mbstr, const MSVCRT_wchar_t **wcstr,
 313         MSVCRT_size_t count, MSVCRT__locale_t locale)
 314 {
 315     MSVCRT_pthreadlocinfo locinfo;
 316     char default_char = '\0';
 317     MSVCRT_size_t tmp = 0;
 318     BOOL used_default;
 319
 320     if(!locale)
 321         locinfo = get_locinfo();
 322     else
 323         locinfo = locale->locinfo;
 324
 325     if(!mbstr)
 326         return WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 327                 *wcstr, -1, NULL, 0, &default_char, &used_default)-1;
 328
 329     while(**wcstr) {
 330         char buf[3];
 331         MSVCRT_size_t i, size;
 332
 333         size = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 334                 *wcstr, 1, buf, 3, &default_char, &used_default);
 335         if(used_default)
 336             return -1;
 337         if(tmp+size > count)
 338             return tmp;
 339
 340         for(i=0; i<size; i++)
 341             mbstr[tmp++] = buf[i];
 342         (*wcstr)++;
 343     }
 344
 345     if(tmp < count) {
 346         mbstr[tmp] = '\0';
 347         *wcstr = NULL;
 348     }
 349     return tmp;
 350 }
 351
 352 /*********************************************************************
 353  *              _wcstombs_l (MSVCRT.@)
 354  */
 355 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 356         MSVCRT_size_t count, MSVCRT__locale_t locale)
 357 {
 358     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, locale);
 359 }
 360
 361 /*********************************************************************
 362  *              wcstombs (MSVCRT.@)
 363  */
 364 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 365         MSVCRT_size_t count)
 366 {
 367     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, NULL);
 368 }
 369
 370 /*********************************************************************
 371  *              wcsrtombs (MSVCRT.@)
 372  */
 373 MSVCRT_size_t CDECL MSVCRT_wcsrtombs(char *mbstr, const MSVCRT_wchar_t **wcstr,
 374         MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 375 {
 376     if(mbstate)
 377         *mbstate = 0;
 378
 379     return MSVCRT_wcsrtombs_l(mbstr, wcstr, count, NULL);
 380 }
 381
 382 /*********************************************************************
 383  * MSVCRT_wcsrtombs_s_l (INTERNAL)
 384  */
 385 static int MSVCRT_wcsrtombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 386         MSVCRT_size_t size, const MSVCRT_wchar_t **wcstr,
 387         MSVCRT_size_t count, MSVCRT__locale_t locale)
 388 {
 389     MSVCRT_size_t conv;
 390
 391     if(!mbstr && !size && wcstr) {
 392         conv = MSVCRT_wcsrtombs_l(NULL, wcstr, 0, locale);
 393         if(ret)
 394             *ret = conv+1;
 395         return 0;
 396     }
 397
 398     if (!MSVCRT_CHECK_PMT(wcstr != NULL) || !MSVCRT_CHECK_PMT(*wcstr != NULL)
 399             || !MSVCRT_CHECK_PMT(mbstr != NULL)) {
 400         if(mbstr && size)
 401             mbstr[0] = '\0';
 402         *MSVCRT__errno() = MSVCRT_EINVAL;
 403         return MSVCRT_EINVAL;
 404     }
 405
 406     if(count==MSVCRT__TRUNCATE || size<count)
 407         conv = size;
 408     else
 409         conv = count;
 410
 411     conv = MSVCRT_wcsrtombs_l(mbstr, wcstr, conv, locale);
 412     if(conv<size)
 413         mbstr[conv++] = '\0';
 414     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 415         mbstr[conv-1] = '\0';
 416     else {
 417         MSVCRT_INVALID_PMT("mbstr[size] is too small");
 418         if(size)
 419             mbstr[0] = '\0';
 420         *MSVCRT__errno() = MSVCRT_ERANGE;
 421         return MSVCRT_ERANGE;
 422     }
 423
 424     if(ret)
 425         *ret = conv;
 426     return 0;
 427 }
 428
 429 /*********************************************************************
 430  *              _wcstombs_s_l (MSVCRT.@)
 431  */
 432 int CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 433         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 434         MSVCRT_size_t count, MSVCRT__locale_t locale)
 435 {
 436     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr,count, locale);
 437 }
 438
 439 /*********************************************************************
 440  *              wcstombs_s (MSVCRT.@)
 441  */
 442 int CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 443         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 444 {
 445     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr, count, NULL);
 446 }
 447
 448 /*********************************************************************
 449  *              wcsrtombs_s (MSVCRT.@)
 450  */
 451 int CDECL MSVCRT_wcsrtombs_s(MSVCRT_size_t *ret, char *mbstr, MSVCRT_size_t size,
 452         const MSVCRT_wchar_t **wcstr, MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 453 {
 454     if(mbstate)
 455         *mbstate = 0;
 456
 457     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 458 }
 459
 460 /*********************************************************************
 461  *              wcstod (MSVCRT.@)
 462  */
 463 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 464 {
 465     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 466 }
 467
 468 /*********************************************************************
 469  *              _wtof (MSVCRT.@)
 470  */
 471 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 472 {
 473     return MSVCRT__wcstod_l(str, NULL, NULL);
 474 }
 475
 476 /*********************************************************************
 477  *              _wtof_l (MSVCRT.@)
 478  */
 479 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 480 {
 481     return MSVCRT__wcstod_l(str, NULL, locale);
 482 }
 483
 484 /*********************************************************************
 485  * arg_clbk_valist (INTERNAL)
 486  */
 487 printf_arg arg_clbk_valist(void *ctx, int arg_pos, int type, __ms_va_list *valist)
 488 {
 489     printf_arg ret;
 490
 491     if(type == VT_I8)
 492         ret.get_longlong = va_arg(*valist, LONGLONG);
 493     else if(type == VT_INT)
 494         ret.get_int = va_arg(*valist, int);
 495     else if(type == VT_R8)
 496         ret.get_double = va_arg(*valist, double);
 497     else if(type == VT_PTR)
 498         ret.get_ptr = va_arg(*valist, void*);
 499     else {
 500         ERR("Incorrect type\n");
 501         ret.get_int = 0;
 502     }
 503
 504     return ret;
 505 }
 506
 507 /*********************************************************************
 508  * arg_clbk_positional (INTERNAL)
 509  */
 510 static printf_arg arg_clbk_positional(void *ctx, int pos, int type, __ms_va_list *valist)
 511 {
 512     printf_arg *args = ctx;
 513     return args[pos];
 514 }
 515
 516 /*********************************************************************
 517  *              _vsnprintf (MSVCRT.@)
 518  */
 519 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
 520                             const char *format, __ms_va_list valist )
 521 {
 522     static const char nullbyte = '\0';
 523     struct _str_ctx_a ctx = {len, str};
 524     int ret;
 525
 526     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, NULL, FALSE, FALSE,
 527             arg_clbk_valist, NULL, &valist);
 528     puts_clbk_str_a(&ctx, 1, &nullbyte);
 529     return ret;
 530 }
 531
 532 /*********************************************************************
 533 *               _vsnprintf_l (MSVCRT.@)
 534  */
 535 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
 536                             MSVCRT__locale_t locale, __ms_va_list valist )
 537 {
 538     static const char nullbyte = '\0';
 539     struct _str_ctx_a ctx = {len, str};
 540     int ret;
 541
 542     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, FALSE,
 543             arg_clbk_valist, NULL, &valist);
 544     puts_clbk_str_a(&ctx, 1, &nullbyte);
 545     return ret;
 546 }
 547
 548 /*********************************************************************
 549  *              _vsnprintf_s_l (MSVCRT.@)
 550  */
 551 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
 552         MSVCRT_size_t count, const char *format,
 553         MSVCRT__locale_t locale, __ms_va_list valist )
 554 {
 555     static const char nullbyte = '\0';
 556     struct _str_ctx_a ctx;
 557     int len, ret;
 558
 559     if(sizeOfBuffer<count+1 || count==-1)
 560         len = sizeOfBuffer;
 561     else
 562         len = count+1;
 563
 564     ctx.len = len;
 565     ctx.buf = str;
 566     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, TRUE,
 567             arg_clbk_valist, NULL, &valist);
 568     puts_clbk_str_a(&ctx, 1, &nullbyte);
 569
 570     if(ret<0 || ret==len) {
 571         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 572             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
 573             *MSVCRT__errno() = MSVCRT_ERANGE;
 574             memset(str, 0, sizeOfBuffer);
 575         } else
 576             str[len-1] = '\0';
 577
 578         return -1;
 579     }
 580
 581     return ret;
 582 }
 583
 584 /*********************************************************************
 585  *              _vsnprintf_s (MSVCRT.@)
 586  */
 587 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
 588         MSVCRT_size_t count, const char *format, __ms_va_list valist )
 589 {
 590     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
 591 }
 592
 593 /*********************************************************************
 594  *              vsprintf (MSVCRT.@)
 595  */
 596 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
 597 {
 598     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
 599 }
 600
 601 /*********************************************************************
 602  *              vsprintf_s (MSVCRT.@)
 603  */
 604 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
 605 {
 606     return MSVCRT_vsnprintf(str, num, format, valist);
 607 }
 608
 609 /*********************************************************************
 610  *              _vscprintf (MSVCRT.@)
 611  */
 612 int CDECL MSVCRT__vscprintf( const char *format, __ms_va_list valist )
 613 {
 614     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
 615 }
 616
 617 /*********************************************************************
 618  *              _snprintf (MSVCRT.@)
 619  */
 620 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 621 {
 622     int retval;
 623     __ms_va_list valist;
 624     __ms_va_start(valist, format);
 625     retval = MSVCRT_vsnprintf(str, len, format, valist);
 626     __ms_va_end(valist);
 627     return retval;
 628 }
 629
 630 /*********************************************************************
 631  *              _snprintf_s (MSVCRT.@)
 632  */
 633 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
 634     const char *format, ...)
 635 {
 636     int retval;
 637     __ms_va_list valist;
 638     __ms_va_start(valist, format);
 639     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
 640     __ms_va_end(valist);
 641     return retval;
 642 }
 643
 644 /*********************************************************************
 645  *              _scprintf (MSVCRT.@)
 646  */
 647 int CDECL MSVCRT__scprintf(const char *format, ...)
 648 {
 649     int retval;
 650     __ms_va_list valist;
 651     __ms_va_start(valist, format);
 652     retval = MSVCRT__vscprintf(format, valist);
 653     __ms_va_end(valist);
 654     return retval;
 655 }
 656
 657 /*********************************************************************
 658  *              _vsnwprintf (MSVCRT.@)
 659  */
 660 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 661         const MSVCRT_wchar_t *format, __ms_va_list valist)
 662 {
 663     static const MSVCRT_wchar_t nullbyte = '\0';
 664     struct _str_ctx_w ctx = {len, str};
 665     int ret;
 666
 667     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, NULL, FALSE, FALSE,
 668             arg_clbk_valist, NULL, &valist);
 669     puts_clbk_str_w(&ctx, 1, &nullbyte);
 670     return ret;
 671 }
 672
 673 /*********************************************************************
 674  *              _vsnwprintf_l (MSVCRT.@)
 675  */
 676 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 677         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
 678         __ms_va_list valist)
 679 {
 680     static const MSVCRT_wchar_t nullbyte = '\0';
 681     struct _str_ctx_w ctx = {len, str};
 682     int ret;
 683
 684     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, FALSE,
 685             arg_clbk_valist, NULL, &valist);
 686     puts_clbk_str_w(&ctx, 1, &nullbyte);
 687     return ret;
 688 }
 689
 690 /*********************************************************************
 691  *              _vsnwprintf_s_l (MSVCRT.@)
 692  */
 693 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 694         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
 695         MSVCRT__locale_t locale, __ms_va_list valist)
 696 {
 697     static const MSVCRT_wchar_t nullbyte = '\0';
 698     struct _str_ctx_w ctx;
 699     int len, ret;
 700
 701     len = sizeOfBuffer;
 702     if(count!=-1 && len>count+1)
 703         len = count+1;
 704
 705     ctx.len = len;
 706     ctx.buf = str;
 707     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, TRUE,
 708             arg_clbk_valist, NULL, &valist);
 709     puts_clbk_str_w(&ctx, 1, &nullbyte);
 710
 711     if(ret<0 || ret==len) {
 712         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 713             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
 714             *MSVCRT__errno() = MSVCRT_ERANGE;
 715             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
 716         } else
 717             str[len-1] = '\0';
 718
 719         return -1;
 720     }
 721
 722     return ret;
 723 }
 724
 725 /*********************************************************************
 726  *              _vsnwprintf_s (MSVCRT.@)
 727  */
 728 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 729         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
 730 {
 731     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
 732             format, NULL, valist);
 733 }
 734
 735 /*********************************************************************
 736  *              _snwprintf (MSVCRT.@)
 737  */
 738 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 739 {
 740     int retval;
 741     __ms_va_list valist;
 742     __ms_va_start(valist, format);
 743     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 744     __ms_va_end(valist);
 745     return retval;
 746 }
 747
 748 /*********************************************************************
 749  *              _snwprintf_s (MSVCRT.@)
 750  */
 751 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
 752     const MSVCRT_wchar_t *format, ...)
 753 {
 754     int retval;
 755     __ms_va_list valist;
 756     __ms_va_start(valist, format);
 757     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
 758     __ms_va_end(valist);
 759     return retval;
 760 }
 761
 762 /*********************************************************************
 763  *              sprintf (MSVCRT.@)
 764  */
 765 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 766 {
 767     __ms_va_list ap;
 768     int r;
 769
 770     __ms_va_start( ap, format );
 771     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 772     __ms_va_end( ap );
 773     return r;
 774 }
 775
 776 /*********************************************************************
 777  *              sprintf_s (MSVCRT.@)
 778  */
 779 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
 780 {
 781     __ms_va_list ap;
 782     int r;
 783
 784     __ms_va_start( ap, format );
 785     r = MSVCRT_vsnprintf( str, num, format, ap );
 786     __ms_va_end( ap );
 787     return r;
 788 }
 789
 790 /*********************************************************************
 791  *              _scwprintf (MSVCRT.@)
 792  */
 793 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
 794 {
 795     __ms_va_list ap;
 796     int r;
 797
 798     __ms_va_start( ap, format );
 799     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
 800     __ms_va_end( ap );
 801     return r;
 802 }
 803
 804 /*********************************************************************
 805  *              swprintf (MSVCRT.@)
 806  */
 807 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 808 {
 809     __ms_va_list ap;
 810     int r;
 811
 812     __ms_va_start( ap, format );
 813     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 814     __ms_va_end( ap );
 815     return r;
 816 }
 817
 818 /*********************************************************************
 819  *              swprintf_s (MSVCRT.@)
 820  */
 821 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
 822         const MSVCRT_wchar_t *format, ... )
 823 {
 824     __ms_va_list ap;
 825     int r;
 826
 827     __ms_va_start(ap, format);
 828     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
 829     __ms_va_end(ap);
 830
 831     return r;
 832 }
 833
 834 /*********************************************************************
 835  *              vswprintf (MSVCRT.@)
 836  */
 837 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
 838 {
 839     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 840 }
 841
 842 /*********************************************************************
 843  *              _vscwprintf (MSVCRT.@)
 844  */
 845 int CDECL MSVCRT__vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
 846 {
 847     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
 848 }
 849
 850 /*********************************************************************
 851  *              vswprintf_s (MSVCRT.@)
 852  */
 853 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 854         const MSVCRT_wchar_t* format, __ms_va_list args)
 855 {
 856     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
 857 }
 858
 859 /*********************************************************************
 860  *              _vswprintf_s_l (MSVCRT.@)
 861  */
 862 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 863         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
 864 {
 865     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
 866             format, locale, args );
 867 }
 868
 869 /*********************************************************************
 870  *              _vsprintf_p_l (MSVCRT.@)
 871  */
 872 int CDECL MSVCRT_vsprintf_p_l(char *buffer, MSVCRT_size_t length, const char *format,
 873         MSVCRT__locale_t locale, __ms_va_list args)
 874 {
 875     static const char nullbyte = '\0';
 876     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 877     struct _str_ctx_a puts_ctx = {length, buffer};
 878     int ret;
 879
 880     memset(args_ctx, 0, sizeof(args_ctx));
 881
 882     ret = create_positional_ctx_a(args_ctx, format, args);
 883     if(ret < 0) {
 884         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 885         *MSVCRT__errno() = MSVCRT_EINVAL;
 886         return ret;
 887     } else if(ret == 0)
 888         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, FALSE, TRUE,
 889                 arg_clbk_valist, NULL, &args);
 890     else
 891         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, TRUE, TRUE,
 892                 arg_clbk_positional, args_ctx, NULL);
 893
 894     puts_clbk_str_a(&puts_ctx, 1, &nullbyte);
 895     return ret;
 896 }
 897
 898 /*********************************************************************
 899  *              _vsprintf_p (MSVCRT.@)
 900  */
 901 int CDECL MSVCRT_vsprintf_p(char *buffer, MSVCRT_size_t length,
 902         const char *format, __ms_va_list args)
 903 {
 904     return MSVCRT_vsprintf_p_l(buffer, length, format, NULL, args);
 905 }
 906
 907 /*********************************************************************
 908  *              _sprintf_p_l (MSVCRT.@)
 909  */
 910 int CDECL MSVCRT_sprintf_p_l(char *buffer, MSVCRT_size_t length,
 911         const char *format, MSVCRT__locale_t locale, ...)
 912 {
 913     __ms_va_list valist;
 914     int r;
 915
 916     __ms_va_start(valist, locale);
 917     r = MSVCRT_vsprintf_p_l(buffer, length, format, locale, valist);
 918     __ms_va_end(valist);
 919
 920     return r;
 921 }
 922
 923 /*********************************************************************
 924  *              _vswprintf_p_l (MSVCRT.@)
 925  */
 926 int CDECL MSVCRT_vswprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 927         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args)
 928 {
 929     static const MSVCRT_wchar_t nullbyte = '\0';
 930     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 931     struct _str_ctx_w puts_ctx = {length, buffer};
 932     int ret;
 933
 934     memset(args_ctx, 0, sizeof(args_ctx));
 935
 936     ret = create_positional_ctx_w(args_ctx, format, args);
 937     if(ret < 0)  {
 938         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 939         *MSVCRT__errno() = MSVCRT_EINVAL;
 940         return ret;
 941     } else if(ret == 0)
 942         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, TRUE, TRUE,
 943                 arg_clbk_valist, NULL, &args);
 944     else
 945         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, TRUE, TRUE,
 946                 arg_clbk_positional, args_ctx, NULL);
 947
 948     puts_clbk_str_w(&puts_ctx, 1, &nullbyte);
 949     return ret;
 950 }
 951
 952 /*********************************************************************
 953  *              _swprintf_p_l (MSVCRT.@)
 954  */
 955 int CDECL MSVCRT_swprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 956         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
 957 {
 958     __ms_va_list valist;
 959     int r;
 960
 961     __ms_va_start(valist, locale);
 962     r = MSVCRT_vswprintf_p_l(buffer, length, format, locale, valist);
 963     __ms_va_end(valist);
 964
 965     return r;
 966 }
 967
 968 /*********************************************************************
 969  *              wcscoll (MSVCRT.@)
 970  */
 971 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 972 {
 973   /* FIXME: handle collates */
 974   return strcmpW( str1, str2 );
 975 }
 976
 977 /*********************************************************************
 978  *              wcspbrk (MSVCRT.@)
 979  */
 980 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
 981 {
 982   const MSVCRT_wchar_t* p;
 983   while (*str)
 984   {
 985     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
 986       str++;
 987   }
 988   return NULL;
 989 }
 990
 991 /*********************************************************************
 992  *              wcstok_s  (MSVCRT.@)
 993  */
 994 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
 995                                  MSVCRT_wchar_t **next_token )
 996 {
 997     MSVCRT_wchar_t *ret;
 998
 999     if (!MSVCRT_CHECK_PMT(delim != NULL) || !MSVCRT_CHECK_PMT(next_token != NULL) ||
1000         !MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL))
1001     {
1002         *MSVCRT__errno() = MSVCRT_EINVAL;
1003         return NULL;
1004     }
1005     if (!str) str = *next_token;
1006
1007     while (*str && strchrW( delim, *str )) str++;
1008     if (!*str) return NULL;
1009     ret = str++;
1010     while (*str && !strchrW( delim, *str )) str++;
1011     if (*str) *str++ = 0;
1012     *next_token = str;
1013     return ret;
1014 }
1015
1016 /*********************************************************************
1017  *              wcstok  (MSVCRT.@)
1018  */
1019 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1020 {
1021     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1022 }
1023
1024 /*********************************************************************
1025  *              wctob (MSVCRT.@)
1026  */
1027 INT CDECL MSVCRT_wctob( MSVCRT_wint_t wchar )
1028 {
1029     char out;
1030     BOOL error;
1031
1032     if(WideCharToMultiByte( get_locinfo()->lc_codepage, 0, &wchar, 1, &out, 1, NULL, &error ) && !error)
1033         return (INT)out;
1034     return MSVCRT_EOF;
1035 }
1036
1037 /*********************************************************************
1038  *              wctomb (MSVCRT.@)
1039  */
1040 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1041 {
1042     return WideCharToMultiByte( get_locinfo()->lc_codepage, 0, &ch, 1, dst, 6, NULL, NULL );
1043 }
1044
1045 /*********************************************************************
1046  *              iswalnum (MSVCRT.@)
1047  */
1048 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1049 {
1050     return isalnumW( wc );
1051 }
1052
1053 /*********************************************************************
1054  *              iswalpha (MSVCRT.@)
1055  */
1056 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1057 {
1058     return isalphaW( wc );
1059 }
1060
1061 /*********************************************************************
1062  *              iswalpha_l (MSVCRT.@)
1063  */
1064 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1065 {
1066     return isalphaW( wc );
1067 }
1068
1069 /*********************************************************************
1070  *              iswcntrl (MSVCRT.@)
1071  */
1072 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1073 {
1074     return iscntrlW( wc );
1075 }
1076
1077 /*********************************************************************
1078  *              iswdigit (MSVCRT.@)
1079  */
1080 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1081 {
1082     return isdigitW( wc );
1083 }
1084
1085 /*********************************************************************
1086  *              iswgraph (MSVCRT.@)
1087  */
1088 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1089 {
1090     return isgraphW( wc );
1091 }
1092
1093 /*********************************************************************
1094  *              iswlower (MSVCRT.@)
1095  */
1096 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1097 {
1098     return islowerW( wc );
1099 }
1100
1101 /*********************************************************************
1102  *              iswprint (MSVCRT.@)
1103  */
1104 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1105 {
1106     return isprintW( wc );
1107 }
1108
1109 /*********************************************************************
1110  *              iswpunct (MSVCRT.@)
1111  */
1112 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1113 {
1114     return ispunctW( wc );
1115 }
1116
1117 /*********************************************************************
1118  *              iswspace (MSVCRT.@)
1119  */
1120 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1121 {
1122     return isspaceW( wc );
1123 }
1124
1125 /*********************************************************************
1126  *              iswupper (MSVCRT.@)
1127  */
1128 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1129 {
1130     return isupperW( wc );
1131 }
1132
1133 /*********************************************************************
1134  *              iswxdigit (MSVCRT.@)
1135  */
1136 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1137 {
1138     return isxdigitW( wc );
1139 }
1140
1141 /*********************************************************************
1142  *              wcscpy_s (MSVCRT.@)
1143  */
1144 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1145 {
1146     MSVCRT_size_t size = 0;
1147
1148     if(!wcDest || !numElement)
1149         return MSVCRT_EINVAL;
1150
1151     wcDest[0] = 0;
1152
1153     if(!wcSrc)
1154     {
1155         return MSVCRT_EINVAL;
1156     }
1157
1158     size = strlenW(wcSrc) + 1;
1159
1160     if(size > numElement)
1161     {
1162         return MSVCRT_ERANGE;
1163     }
1164
1165     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1166
1167     return 0;
1168 }
1169
1170 /******************************************************************
1171  *              wcsncpy_s (MSVCRT.@)
1172  */
1173 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1174                             MSVCRT_size_t count )
1175 {
1176     MSVCRT_size_t size = 0;
1177
1178     if (!wcDest || !numElement)
1179         return MSVCRT_EINVAL;
1180
1181     wcDest[0] = 0;
1182
1183     if (!wcSrc)
1184     {
1185         return MSVCRT_EINVAL;
1186     }
1187
1188     size = min(strlenW(wcSrc), count);
1189
1190     if (size >= numElement)
1191     {
1192         return MSVCRT_ERANGE;
1193     }
1194
1195     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1196     wcDest[size] = '\0';
1197
1198     return 0;
1199 }
1200
1201 /******************************************************************
1202  *              wcscat_s (MSVCRT.@)
1203  *
1204  */
1205 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1206 {
1207     MSVCRT_wchar_t* ptr = dst;
1208
1209     if (!dst || elem == 0) return MSVCRT_EINVAL;
1210     if (!src)
1211     {
1212         dst[0] = '\0';
1213         return MSVCRT_EINVAL;
1214     }
1215
1216     /* seek to end of dst string (or elem if no end of string is found */
1217     while (ptr < dst + elem && *ptr != '\0') ptr++;
1218     while (ptr < dst + elem)
1219     {
1220         if ((*ptr++ = *src++) == '\0') return 0;
1221     }
1222     /* not enough space */
1223     dst[0] = '\0';
1224     return MSVCRT_ERANGE;
1225 }
1226
1227 /*********************************************************************
1228  *  wcsncat_s (MSVCRT.@)
1229  *
1230  */
1231 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1232         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1233 {
1234     MSVCRT_size_t srclen;
1235     MSVCRT_wchar_t dststart;
1236     INT ret = 0;
1237
1238     if (!MSVCRT_CHECK_PMT(dst != NULL) || !MSVCRT_CHECK_PMT(elem > 0))
1239     {
1240         *MSVCRT__errno() = MSVCRT_EINVAL;
1241         return MSVCRT_EINVAL;
1242     }
1243     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0))
1244         return MSVCRT_EINVAL;
1245     if (count == 0)
1246         return 0;
1247
1248     for (dststart = 0; dststart < elem; dststart++)
1249     {
1250         if (dst[dststart] == '\0')
1251             break;
1252     }
1253     if (dststart == elem)
1254     {
1255         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n");
1256         return MSVCRT_EINVAL;
1257     }
1258
1259     if (count == MSVCRT__TRUNCATE)
1260     {
1261         srclen = strlenW(src);
1262         if (srclen >= (elem - dststart))
1263         {
1264             srclen = elem - dststart - 1;
1265             ret = MSVCRT_STRUNCATE;
1266         }
1267     }
1268     else
1269         srclen = min(strlenW(src), count);
1270     if (srclen < (elem - dststart))
1271     {
1272         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1273         dst[dststart+srclen] = '\0';
1274         return ret;
1275     }
1276     MSVCRT_INVALID_PMT("dst[elem] is too small");
1277     dst[0] = '\0';
1278     return MSVCRT_ERANGE;
1279 }
1280
1281 /*********************************************************************
1282  *  _wcstoi64_l (MSVCRT.@)
1283  *
1284  * FIXME: locale parameter is ignored
1285  */
1286 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1287         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1288 {
1289     BOOL negative = FALSE;
1290     __int64 ret = 0;
1291
1292     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1293
1294     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1295         !MSVCRT_CHECK_PMT(base <= 36)) {
1296         *MSVCRT__errno() = MSVCRT_EINVAL;
1297         return 0;
1298     }
1299
1300     while(isspaceW(*nptr)) nptr++;
1301
1302     if(*nptr == '-') {
1303         negative = TRUE;
1304         nptr++;
1305     } else if(*nptr == '+')
1306         nptr++;
1307
1308     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1309         base = 16;
1310         nptr += 2;
1311     }
1312
1313     if(base == 0) {
1314         if(*nptr=='0')
1315             base = 8;
1316         else
1317             base = 10;
1318     }
1319
1320     while(*nptr) {
1321         char cur = tolowerW(*nptr);
1322         int v;
1323
1324         if(isdigitW(cur)) {
1325             if(cur >= '0'+base)
1326                 break;
1327             v = cur-'0';
1328         } else {
1329             if(cur<'a' || cur>='a'+base-10)
1330                 break;
1331             v = cur-'a'+10;
1332         }
1333
1334         if(negative)
1335             v = -v;
1336
1337         nptr++;
1338
1339         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1340             ret = MSVCRT_I64_MAX;
1341             *MSVCRT__errno() = MSVCRT_ERANGE;
1342         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1343             ret = MSVCRT_I64_MIN;
1344             *MSVCRT__errno() = MSVCRT_ERANGE;
1345         } else
1346             ret = ret*base + v;
1347     }
1348
1349     if(endptr)
1350         *endptr = (MSVCRT_wchar_t*)nptr;
1351
1352     return ret;
1353 }
1354
1355 /*********************************************************************
1356  *  _wcstoi64 (MSVCRT.@)
1357  */
1358 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1359         MSVCRT_wchar_t **endptr, int base)
1360 {
1361     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1362 }
1363
1364 /*********************************************************************
1365  *  _wcstoui64_l (MSVCRT.@)
1366  *
1367  * FIXME: locale parameter is ignored
1368  */
1369 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1370         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1371 {
1372     BOOL negative = FALSE;
1373     unsigned __int64 ret = 0;
1374
1375     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1376
1377     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1378         !MSVCRT_CHECK_PMT(base <= 36)) {
1379         *MSVCRT__errno() = MSVCRT_EINVAL;
1380         return 0;
1381     }
1382
1383     while(isspaceW(*nptr)) nptr++;
1384
1385     if(*nptr == '-') {
1386         negative = TRUE;
1387         nptr++;
1388     } else if(*nptr == '+')
1389         nptr++;
1390
1391     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1392         base = 16;
1393         nptr += 2;
1394     }
1395
1396     if(base == 0) {
1397         if(*nptr=='0')
1398             base = 8;
1399         else
1400             base = 10;
1401     }
1402
1403     while(*nptr) {
1404         char cur = tolowerW(*nptr);
1405         int v;
1406
1407         if(isdigit(cur)) {
1408             if(cur >= '0'+base)
1409                 break;
1410             v = *nptr-'0';
1411         } else {
1412             if(cur<'a' || cur>='a'+base-10)
1413                 break;
1414             v = cur-'a'+10;
1415         }
1416
1417         nptr++;
1418
1419         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1420             ret = MSVCRT_UI64_MAX;
1421             *MSVCRT__errno() = MSVCRT_ERANGE;
1422         } else
1423             ret = ret*base + v;
1424     }
1425
1426     if(endptr)
1427         *endptr = (MSVCRT_wchar_t*)nptr;
1428
1429     return negative ? -ret : ret;
1430 }
1431
1432 /*********************************************************************
1433  *  _wcstoui64 (MSVCRT.@)
1434  */
1435 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1436         MSVCRT_wchar_t **endptr, int base)
1437 {
1438     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1439 }
1440
1441 /******************************************************************
1442  *  wcsnlen (MSVCRT.@)
1443  */
1444 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1445 {
1446     MSVCRT_size_t i;
1447
1448     for (i = 0; i < maxlen; i++)
1449         if (!s[i]) break;
1450     return i;
1451 }
1452
1453 /*********************************************************************
1454  *              _towupper_l (MSVCRT.@)
1455  */
1456 int CDECL MSVCRT__towupper_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1457 {
1458     return toupperW(c);
1459 }
1460
1461 /*********************************************************************
1462  *              _towlower_l (MSVCRT.@)
1463  */
1464 int CDECL MSVCRT__towlower_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1465 {
1466     return tolowerW(c);
1467 }