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)) return 0;
 208
 209     if(!locale)
 210         locinfo = get_locinfo();
 211     else
 212         locinfo = locale->locinfo;
 213
 214     p = str;
 215     while(isspaceW(*p))
 216         p++;
 217
 218     if(*p == '-') {
 219         sign = -1;
 220         p++;
 221     } else  if(*p == '+')
 222         p++;
 223
 224     while(isdigitW(*p)) {
 225         found_digit = TRUE;
 226         hlp = d*10+*(p++)-'0';
 227         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 228             exp++;
 229             break;
 230         } else
 231             d = hlp;
 232     }
 233     while(isdigitW(*p)) {
 234         exp++;
 235         p++;
 236     }
 237     if(*p == *locinfo->lconv->decimal_point)
 238         p++;
 239
 240     while(isdigitW(*p)) {
 241         found_digit = TRUE;
 242         hlp = d*10+*(p++)-'0';
 243         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 244             break;
 245
 246         d = hlp;
 247         exp--;
 248     }
 249     while(isdigitW(*p))
 250         p++;
 251
 252     if(!found_digit) {
 253         if(end)
 254             *end = (MSVCRT_wchar_t*)str;
 255         return 0.0;
 256     }
 257
 258     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 259         int e=0, s=1;
 260
 261         p++;
 262         if(*p == '-') {
 263             s = -1;
 264             p++;
 265         } else if(*p == '+')
 266             p++;
 267
 268         if(isdigitW(*p)) {
 269             while(isdigitW(*p)) {
 270                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 271                     e = INT_MAX;
 272                 p++;
 273             }
 274             e *= s;
 275
 276             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 277             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 278             else exp += e;
 279         } else {
 280             if(*p=='-' || *p=='+')
 281                 p--;
 282             p--;
 283         }
 284     }
 285
 286     fpcontrol = _control87(0, 0);
 287     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 288             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 289
 290     if(exp>0)
 291         ret = (double)sign*d*pow(10, exp);
 292     else
 293         ret = (double)sign*d/pow(10, -exp);
 294
 295     _control87(fpcontrol, 0xffffffff);
 296
 297     if((d && ret==0.0) || isinf(ret))
 298         *MSVCRT__errno() = MSVCRT_ERANGE;
 299
 300     if(end)
 301         *end = (MSVCRT_wchar_t*)p;
 302
 303     return ret;
 304 }
 305
 306 /*********************************************************************
 307  * wcsrtombs_l (INTERNAL)
 308  */
 309 static MSVCRT_size_t CDECL MSVCRT_wcsrtombs_l(char *mbstr, const MSVCRT_wchar_t **wcstr,
 310         MSVCRT_size_t count, MSVCRT__locale_t locale)
 311 {
 312     MSVCRT_pthreadlocinfo locinfo;
 313     MSVCRT_size_t tmp = 0;
 314     BOOL used_default;
 315
 316     if(!locale)
 317         locinfo = get_locinfo();
 318     else
 319         locinfo = locale->locinfo;
 320
 321     if(!mbstr) {
 322         tmp = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 323                 *wcstr, -1, NULL, 0, NULL, &used_default)-1;
 324         if(used_default)
 325             return -1;
 326         return tmp;
 327     }
 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, NULL, &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(mbstr != NULL)) return MSVCRT_EINVAL;
 399     if (size) mbstr[0] = '\0';
 400     if (!MSVCRT_CHECK_PMT(wcstr != NULL)) return MSVCRT_EINVAL;
 401     if (!MSVCRT_CHECK_PMT(*wcstr != NULL)) return MSVCRT_EINVAL;
 402
 403     if(count==MSVCRT__TRUNCATE || size<count)
 404         conv = size;
 405     else
 406         conv = count;
 407
 408     conv = MSVCRT_wcsrtombs_l(mbstr, wcstr, conv, locale);
 409     if(conv<size)
 410         mbstr[conv++] = '\0';
 411     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 412         mbstr[conv-1] = '\0';
 413     else {
 414         MSVCRT_INVALID_PMT("mbstr[size] is too small", MSVCRT_ERANGE);
 415         if(size)
 416             mbstr[0] = '\0';
 417         return MSVCRT_ERANGE;
 418     }
 419
 420     if(ret)
 421         *ret = conv;
 422     return 0;
 423 }
 424
 425 /*********************************************************************
 426  *              _wcstombs_s_l (MSVCRT.@)
 427  */
 428 int CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 429         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 430         MSVCRT_size_t count, MSVCRT__locale_t locale)
 431 {
 432     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr,count, locale);
 433 }
 434
 435 /*********************************************************************
 436  *              wcstombs_s (MSVCRT.@)
 437  */
 438 int CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 439         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 440 {
 441     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr, count, NULL);
 442 }
 443
 444 /*********************************************************************
 445  *              wcsrtombs_s (MSVCRT.@)
 446  */
 447 int CDECL MSVCRT_wcsrtombs_s(MSVCRT_size_t *ret, char *mbstr, MSVCRT_size_t size,
 448         const MSVCRT_wchar_t **wcstr, MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 449 {
 450     if(mbstate)
 451         *mbstate = 0;
 452
 453     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 454 }
 455
 456 /*********************************************************************
 457  *              wcstod (MSVCRT.@)
 458  */
 459 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 460 {
 461     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 462 }
 463
 464 /*********************************************************************
 465  *              _wtof (MSVCRT.@)
 466  */
 467 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 468 {
 469     return MSVCRT__wcstod_l(str, NULL, NULL);
 470 }
 471
 472 /*********************************************************************
 473  *              _wtof_l (MSVCRT.@)
 474  */
 475 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 476 {
 477     return MSVCRT__wcstod_l(str, NULL, locale);
 478 }
 479
 480 /*********************************************************************
 481  * arg_clbk_valist (INTERNAL)
 482  */
 483 printf_arg arg_clbk_valist(void *ctx, int arg_pos, int type, __ms_va_list *valist)
 484 {
 485     printf_arg ret;
 486
 487     if(type == VT_I8)
 488         ret.get_longlong = va_arg(*valist, LONGLONG);
 489     else if(type == VT_INT)
 490         ret.get_int = va_arg(*valist, int);
 491     else if(type == VT_R8)
 492         ret.get_double = va_arg(*valist, double);
 493     else if(type == VT_PTR)
 494         ret.get_ptr = va_arg(*valist, void*);
 495     else {
 496         ERR("Incorrect type\n");
 497         ret.get_int = 0;
 498     }
 499
 500     return ret;
 501 }
 502
 503 /*********************************************************************
 504  * arg_clbk_positional (INTERNAL)
 505  */
 506 static printf_arg arg_clbk_positional(void *ctx, int pos, int type, __ms_va_list *valist)
 507 {
 508     printf_arg *args = ctx;
 509     return args[pos];
 510 }
 511
 512 /*********************************************************************
 513  *              _vsnprintf (MSVCRT.@)
 514  */
 515 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
 516                             const char *format, __ms_va_list valist )
 517 {
 518     static const char nullbyte = '\0';
 519     struct _str_ctx_a ctx = {len, str};
 520     int ret;
 521
 522     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, NULL, FALSE, FALSE,
 523             arg_clbk_valist, NULL, &valist);
 524     puts_clbk_str_a(&ctx, 1, &nullbyte);
 525     return ret;
 526 }
 527
 528 /*********************************************************************
 529 *               _vsnprintf_l (MSVCRT.@)
 530  */
 531 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
 532                             MSVCRT__locale_t locale, __ms_va_list valist )
 533 {
 534     static const char nullbyte = '\0';
 535     struct _str_ctx_a ctx = {len, str};
 536     int ret;
 537
 538     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, FALSE,
 539             arg_clbk_valist, NULL, &valist);
 540     puts_clbk_str_a(&ctx, 1, &nullbyte);
 541     return ret;
 542 }
 543
 544 /*********************************************************************
 545  *              _vsnprintf_s_l (MSVCRT.@)
 546  */
 547 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
 548         MSVCRT_size_t count, const char *format,
 549         MSVCRT__locale_t locale, __ms_va_list valist )
 550 {
 551     static const char nullbyte = '\0';
 552     struct _str_ctx_a ctx;
 553     int len, ret;
 554
 555     if(sizeOfBuffer<count+1 || count==-1)
 556         len = sizeOfBuffer;
 557     else
 558         len = count+1;
 559
 560     ctx.len = len;
 561     ctx.buf = str;
 562     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, TRUE,
 563             arg_clbk_valist, NULL, &valist);
 564     puts_clbk_str_a(&ctx, 1, &nullbyte);
 565
 566     if(ret<0 || ret==len) {
 567         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 568             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small", MSVCRT_ERANGE);
 569             memset(str, 0, sizeOfBuffer);
 570         } else
 571             str[len-1] = '\0';
 572
 573         return -1;
 574     }
 575
 576     return ret;
 577 }
 578
 579 /*********************************************************************
 580  *              _vsnprintf_s (MSVCRT.@)
 581  */
 582 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
 583         MSVCRT_size_t count, const char *format, __ms_va_list valist )
 584 {
 585     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
 586 }
 587
 588 /*********************************************************************
 589  *              vsprintf (MSVCRT.@)
 590  */
 591 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
 592 {
 593     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
 594 }
 595
 596 /*********************************************************************
 597  *              vsprintf_s (MSVCRT.@)
 598  */
 599 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
 600 {
 601     return MSVCRT_vsnprintf(str, num, format, valist);
 602 }
 603
 604 /*********************************************************************
 605  *              _vscprintf (MSVCRT.@)
 606  */
 607 int CDECL MSVCRT__vscprintf( const char *format, __ms_va_list valist )
 608 {
 609     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
 610 }
 611
 612 /*********************************************************************
 613  *              _snprintf (MSVCRT.@)
 614  */
 615 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 616 {
 617     int retval;
 618     __ms_va_list valist;
 619     __ms_va_start(valist, format);
 620     retval = MSVCRT_vsnprintf(str, len, format, valist);
 621     __ms_va_end(valist);
 622     return retval;
 623 }
 624
 625 /*********************************************************************
 626  *              _snprintf_s (MSVCRT.@)
 627  */
 628 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
 629     const char *format, ...)
 630 {
 631     int retval;
 632     __ms_va_list valist;
 633     __ms_va_start(valist, format);
 634     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
 635     __ms_va_end(valist);
 636     return retval;
 637 }
 638
 639 /*********************************************************************
 640  *              _scprintf (MSVCRT.@)
 641  */
 642 int CDECL MSVCRT__scprintf(const char *format, ...)
 643 {
 644     int retval;
 645     __ms_va_list valist;
 646     __ms_va_start(valist, format);
 647     retval = MSVCRT__vscprintf(format, valist);
 648     __ms_va_end(valist);
 649     return retval;
 650 }
 651
 652 /*********************************************************************
 653  *              _vsnwprintf (MSVCRT.@)
 654  */
 655 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 656         const MSVCRT_wchar_t *format, __ms_va_list valist)
 657 {
 658     static const MSVCRT_wchar_t nullbyte = '\0';
 659     struct _str_ctx_w ctx = {len, str};
 660     int ret;
 661
 662     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, NULL, FALSE, FALSE,
 663             arg_clbk_valist, NULL, &valist);
 664     puts_clbk_str_w(&ctx, 1, &nullbyte);
 665     return ret;
 666 }
 667
 668 /*********************************************************************
 669  *              _vsnwprintf_l (MSVCRT.@)
 670  */
 671 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 672         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
 673         __ms_va_list valist)
 674 {
 675     static const MSVCRT_wchar_t nullbyte = '\0';
 676     struct _str_ctx_w ctx = {len, str};
 677     int ret;
 678
 679     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, FALSE,
 680             arg_clbk_valist, NULL, &valist);
 681     puts_clbk_str_w(&ctx, 1, &nullbyte);
 682     return ret;
 683 }
 684
 685 /*********************************************************************
 686  *              _vswprintf_p_l (MSVCRT.@)
 687  */
 688 int CDECL MSVCRT_vswprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 689         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args)
 690 {
 691     static const MSVCRT_wchar_t nullbyte = '\0';
 692     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 693     struct _str_ctx_w puts_ctx = {length, buffer};
 694     int ret;
 695
 696     memset(args_ctx, 0, sizeof(args_ctx));
 697
 698     ret = create_positional_ctx_w(args_ctx, format, args);
 699     if(ret < 0)  {
 700         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 701         *MSVCRT__errno() = MSVCRT_EINVAL;
 702         return ret;
 703     } else if(ret == 0)
 704         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, FALSE, TRUE,
 705                 arg_clbk_valist, NULL, &args);
 706     else
 707         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, TRUE, TRUE,
 708                 arg_clbk_positional, args_ctx, NULL);
 709
 710     puts_clbk_str_w(&puts_ctx, 1, &nullbyte);
 711     return ret;
 712 }
 713
 714 /*********************************************************************
 715  *              _vsnwprintf_s_l (MSVCRT.@)
 716  */
 717 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 718         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
 719         MSVCRT__locale_t locale, __ms_va_list valist)
 720 {
 721     static const MSVCRT_wchar_t nullbyte = '\0';
 722     struct _str_ctx_w ctx;
 723     int len, ret;
 724
 725     len = sizeOfBuffer;
 726     if(count!=-1 && len>count+1)
 727         len = count+1;
 728
 729     ctx.len = len;
 730     ctx.buf = str;
 731     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, TRUE,
 732             arg_clbk_valist, NULL, &valist);
 733     puts_clbk_str_w(&ctx, 1, &nullbyte);
 734
 735     if(ret<0 || ret==len) {
 736         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 737             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small", MSVCRT_ERANGE);
 738             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
 739         } else
 740             str[len-1] = '\0';
 741
 742         return -1;
 743     }
 744
 745     return ret;
 746 }
 747
 748 /*********************************************************************
 749  *              _vsnwprintf_s (MSVCRT.@)
 750  */
 751 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 752         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
 753 {
 754     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
 755             format, NULL, valist);
 756 }
 757
 758 /*********************************************************************
 759  *              _snwprintf (MSVCRT.@)
 760  */
 761 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 762 {
 763     int retval;
 764     __ms_va_list valist;
 765     __ms_va_start(valist, format);
 766     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 767     __ms_va_end(valist);
 768     return retval;
 769 }
 770
 771 /*********************************************************************
 772  *              _snwprintf_l (MSVCRT.@)
 773  */
 774 int CDECL MSVCRT__snwprintf_l( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format,
 775         MSVCRT__locale_t locale, ...)
 776 {
 777     int retval;
 778     __ms_va_list valist;
 779     __ms_va_start(valist, locale);
 780     retval = MSVCRT_vsnwprintf_l(str, len, format, locale, valist);
 781     __ms_va_end(valist);
 782     return retval;
 783 }
 784
 785 /*********************************************************************
 786  *              _snwprintf_s (MSVCRT.@)
 787  */
 788 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
 789     const MSVCRT_wchar_t *format, ...)
 790 {
 791     int retval;
 792     __ms_va_list valist;
 793     __ms_va_start(valist, format);
 794     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
 795     __ms_va_end(valist);
 796     return retval;
 797 }
 798
 799 /*********************************************************************
 800  *              sprintf (MSVCRT.@)
 801  */
 802 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 803 {
 804     __ms_va_list ap;
 805     int r;
 806
 807     __ms_va_start( ap, format );
 808     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 809     __ms_va_end( ap );
 810     return r;
 811 }
 812
 813 /*********************************************************************
 814  *              sprintf_s (MSVCRT.@)
 815  */
 816 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
 817 {
 818     __ms_va_list ap;
 819     int r;
 820
 821     __ms_va_start( ap, format );
 822     r = MSVCRT_vsnprintf( str, num, format, ap );
 823     __ms_va_end( ap );
 824     return r;
 825 }
 826
 827 /*********************************************************************
 828  *              _scwprintf (MSVCRT.@)
 829  */
 830 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
 831 {
 832     __ms_va_list ap;
 833     int r;
 834
 835     __ms_va_start( ap, format );
 836     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
 837     __ms_va_end( ap );
 838     return r;
 839 }
 840
 841 /*********************************************************************
 842  *              swprintf (MSVCRT.@)
 843  */
 844 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 845 {
 846     __ms_va_list ap;
 847     int r;
 848
 849     __ms_va_start( ap, format );
 850     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 851     __ms_va_end( ap );
 852     return r;
 853 }
 854
 855 /*********************************************************************
 856  *              swprintf_s (MSVCRT.@)
 857  */
 858 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
 859         const MSVCRT_wchar_t *format, ... )
 860 {
 861     __ms_va_list ap;
 862     int r;
 863
 864     __ms_va_start(ap, format);
 865     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
 866     __ms_va_end(ap);
 867
 868     return r;
 869 }
 870
 871 /*********************************************************************
 872  *              _vswprintf (MSVCRT.@)
 873  */
 874 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
 875 {
 876     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 877 }
 878
 879 /*********************************************************************
 880  *              _vswprintf (MSVCRT.@)
 881  */
 882 int CDECL MSVCRT_vswprintf_l( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format,
 883         MSVCRT__locale_t locale, __ms_va_list args )
 884 {
 885     return MSVCRT_vsnwprintf_l( str, INT_MAX, format, locale, args );
 886 }
 887
 888 /*********************************************************************
 889  *              _vscwprintf (MSVCRT.@)
 890  */
 891 int CDECL MSVCRT__vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
 892 {
 893     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
 894 }
 895
 896 /*********************************************************************
 897  *              _vscwprintf_l (MSVCRT.@)
 898  */
 899 int CDECL MSVCRT__vscwprintf_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
 900 {
 901     return MSVCRT_vsnwprintf_l( NULL, INT_MAX, format, locale, args );
 902 }
 903
 904 /*********************************************************************
 905  *              _vscwprintf_p_l (MSVCRT.@)
 906  */
 907 int CDECL MSVCRT__vscwprintf_p_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
 908 {
 909     return MSVCRT_vswprintf_p_l( NULL, INT_MAX, format, locale, args );
 910 }
 911
 912 /*********************************************************************
 913  *              vswprintf_s (MSVCRT.@)
 914  */
 915 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 916         const MSVCRT_wchar_t* format, __ms_va_list args)
 917 {
 918     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
 919 }
 920
 921 /*********************************************************************
 922  *              _vswprintf_s_l (MSVCRT.@)
 923  */
 924 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 925         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
 926 {
 927     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
 928             format, locale, args );
 929 }
 930
 931 /*********************************************************************
 932  *              _vsprintf_p_l (MSVCRT.@)
 933  */
 934 int CDECL MSVCRT_vsprintf_p_l(char *buffer, MSVCRT_size_t length, const char *format,
 935         MSVCRT__locale_t locale, __ms_va_list args)
 936 {
 937     static const char nullbyte = '\0';
 938     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 939     struct _str_ctx_a puts_ctx = {length, buffer};
 940     int ret;
 941
 942     memset(args_ctx, 0, sizeof(args_ctx));
 943
 944     ret = create_positional_ctx_a(args_ctx, format, args);
 945     if(ret < 0) {
 946         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 947         *MSVCRT__errno() = MSVCRT_EINVAL;
 948         return ret;
 949     } else if(ret == 0)
 950         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, FALSE, TRUE,
 951                 arg_clbk_valist, NULL, &args);
 952     else
 953         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, TRUE, TRUE,
 954                 arg_clbk_positional, args_ctx, NULL);
 955
 956     puts_clbk_str_a(&puts_ctx, 1, &nullbyte);
 957     return ret;
 958 }
 959
 960 /*********************************************************************
 961  *              _vsprintf_p (MSVCRT.@)
 962  */
 963 int CDECL MSVCRT_vsprintf_p(char *buffer, MSVCRT_size_t length,
 964         const char *format, __ms_va_list args)
 965 {
 966     return MSVCRT_vsprintf_p_l(buffer, length, format, NULL, args);
 967 }
 968
 969 /*********************************************************************
 970  *              _sprintf_p_l (MSVCRT.@)
 971  */
 972 int CDECL MSVCRT_sprintf_p_l(char *buffer, MSVCRT_size_t length,
 973         const char *format, MSVCRT__locale_t locale, ...)
 974 {
 975     __ms_va_list valist;
 976     int r;
 977
 978     __ms_va_start(valist, locale);
 979     r = MSVCRT_vsprintf_p_l(buffer, length, format, locale, valist);
 980     __ms_va_end(valist);
 981
 982     return r;
 983 }
 984
 985 /*********************************************************************
 986  *              _swprintf_p_l (MSVCRT.@)
 987  */
 988 int CDECL MSVCRT_swprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 989         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
 990 {
 991     __ms_va_list valist;
 992     int r;
 993
 994     __ms_va_start(valist, locale);
 995     r = MSVCRT_vswprintf_p_l(buffer, length, format, locale, valist);
 996     __ms_va_end(valist);
 997
 998     return r;
 999 }
1000
1001 /*********************************************************************
1002  *              wcscoll (MSVCRT.@)
1003  */
1004 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1005 {
1006   /* FIXME: handle collates */
1007   return strcmpW( str1, str2 );
1008 }
1009
1010 /*********************************************************************
1011  *              wcspbrk (MSVCRT.@)
1012  */
1013 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1014 {
1015   const MSVCRT_wchar_t* p;
1016   while (*str)
1017   {
1018     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1019       str++;
1020   }
1021   return NULL;
1022 }
1023
1024 /*********************************************************************
1025  *              wcstok_s  (MSVCRT.@)
1026  */
1027 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
1028                                  MSVCRT_wchar_t **next_token )
1029 {
1030     MSVCRT_wchar_t *ret;
1031
1032     if (!MSVCRT_CHECK_PMT(delim != NULL)) return NULL;
1033     if (!MSVCRT_CHECK_PMT(next_token != NULL)) return NULL;
1034     if (!MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL)) return NULL;
1035
1036     if (!str) str = *next_token;
1037
1038     while (*str && strchrW( delim, *str )) str++;
1039     if (!*str) return NULL;
1040     ret = str++;
1041     while (*str && !strchrW( delim, *str )) str++;
1042     if (*str) *str++ = 0;
1043     *next_token = str;
1044     return ret;
1045 }
1046
1047 /*********************************************************************
1048  *              wcstok  (MSVCRT.@)
1049  */
1050 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1051 {
1052     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1053 }
1054
1055 /*********************************************************************
1056  *              wctob (MSVCRT.@)
1057  */
1058 INT CDECL MSVCRT_wctob( MSVCRT_wint_t wchar )
1059 {
1060     char out;
1061     BOOL error;
1062     UINT codepage = get_locinfo()->lc_codepage;
1063
1064     if(!codepage) {
1065         if (wchar < 0xff)
1066             return (signed char)wchar;
1067         else
1068             return MSVCRT_EOF;
1069     } else if(WideCharToMultiByte( codepage, 0, &wchar, 1, &out, 1, NULL, &error ) && !error)
1070         return (INT)out;
1071     return MSVCRT_EOF;
1072 }
1073
1074 /*********************************************************************
1075  *              wctomb (MSVCRT.@)
1076  */
1077 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1078 {
1079     return WideCharToMultiByte( get_locinfo()->lc_codepage, 0, &ch, 1, dst, 6, NULL, NULL );
1080 }
1081
1082 /*********************************************************************
1083  *              iswalnum (MSVCRT.@)
1084  */
1085 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1086 {
1087     return isalnumW( wc );
1088 }
1089
1090 /*********************************************************************
1091  *              iswalpha (MSVCRT.@)
1092  */
1093 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1094 {
1095     return isalphaW( wc );
1096 }
1097
1098 /*********************************************************************
1099  *              iswalpha_l (MSVCRT.@)
1100  */
1101 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1102 {
1103     return isalphaW( wc );
1104 }
1105
1106 /*********************************************************************
1107  *              iswcntrl (MSVCRT.@)
1108  */
1109 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1110 {
1111     return iscntrlW( wc );
1112 }
1113
1114 /*********************************************************************
1115  *              iswdigit (MSVCRT.@)
1116  */
1117 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1118 {
1119     return isdigitW( wc );
1120 }
1121
1122 /*********************************************************************
1123  *              _iswdigit_l (MSVCRT.@)
1124  */
1125 INT CDECL MSVCRT__iswdigit_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1126 {
1127     return isdigitW( wc );
1128 }
1129
1130 /*********************************************************************
1131  *              iswgraph (MSVCRT.@)
1132  */
1133 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1134 {
1135     return isgraphW( wc );
1136 }
1137
1138 /*********************************************************************
1139  *              iswlower (MSVCRT.@)
1140  */
1141 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1142 {
1143     return islowerW( wc );
1144 }
1145
1146 /*********************************************************************
1147  *              iswprint (MSVCRT.@)
1148  */
1149 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1150 {
1151     return isprintW( wc );
1152 }
1153
1154 /*********************************************************************
1155  *              iswpunct (MSVCRT.@)
1156  */
1157 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1158 {
1159     return ispunctW( wc );
1160 }
1161
1162 /*********************************************************************
1163  *              iswspace (MSVCRT.@)
1164  */
1165 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1166 {
1167     return isspaceW( wc );
1168 }
1169
1170 /*********************************************************************
1171  *              iswupper (MSVCRT.@)
1172  */
1173 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1174 {
1175     return isupperW( wc );
1176 }
1177
1178 /*********************************************************************
1179  *              iswxdigit (MSVCRT.@)
1180  */
1181 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1182 {
1183     return isxdigitW( wc );
1184 }
1185
1186 /*********************************************************************
1187  *              wcscpy_s (MSVCRT.@)
1188  */
1189 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1190 {
1191     MSVCRT_size_t size = 0;
1192
1193     if(!wcDest || !numElement)
1194         return MSVCRT_EINVAL;
1195
1196     wcDest[0] = 0;
1197
1198     if(!wcSrc)
1199     {
1200         return MSVCRT_EINVAL;
1201     }
1202
1203     size = strlenW(wcSrc) + 1;
1204
1205     if(size > numElement)
1206     {
1207         return MSVCRT_ERANGE;
1208     }
1209
1210     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1211
1212     return 0;
1213 }
1214
1215 /******************************************************************
1216  *              wcsncpy_s (MSVCRT.@)
1217  */
1218 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1219                             MSVCRT_size_t count )
1220 {
1221     WCHAR *p = wcDest;
1222     BOOL truncate = (count == MSVCRT__TRUNCATE);
1223
1224     if(!wcDest && !numElement && !count)
1225         return 0;
1226
1227     if (!wcDest || !numElement)
1228         return MSVCRT_EINVAL;
1229
1230     if (!wcSrc)
1231     {
1232         *wcDest = 0;
1233         return count ? MSVCRT_EINVAL : 0;
1234     }
1235
1236     while (numElement && count && *wcSrc)
1237     {
1238         *p++ = *wcSrc++;
1239         numElement--;
1240         count--;
1241     }
1242     if (!numElement && truncate)
1243     {
1244         *(p-1) = 0;
1245         return MSVCRT_STRUNCATE;
1246     }
1247     else if (!numElement)
1248     {
1249         *wcDest = 0;
1250         return MSVCRT_ERANGE;
1251     }
1252
1253     *p = 0;
1254     return 0;
1255 }
1256
1257 /******************************************************************
1258  *              wcscat_s (MSVCRT.@)
1259  *
1260  */
1261 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1262 {
1263     MSVCRT_wchar_t* ptr = dst;
1264
1265     if (!dst || elem == 0) return MSVCRT_EINVAL;
1266     if (!src)
1267     {
1268         dst[0] = '\0';
1269         return MSVCRT_EINVAL;
1270     }
1271
1272     /* seek to end of dst string (or elem if no end of string is found */
1273     while (ptr < dst + elem && *ptr != '\0') ptr++;
1274     while (ptr < dst + elem)
1275     {
1276         if ((*ptr++ = *src++) == '\0') return 0;
1277     }
1278     /* not enough space */
1279     dst[0] = '\0';
1280     return MSVCRT_ERANGE;
1281 }
1282
1283 /*********************************************************************
1284  *  wcsncat_s (MSVCRT.@)
1285  *
1286  */
1287 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1288         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1289 {
1290     MSVCRT_size_t srclen;
1291     MSVCRT_wchar_t dststart;
1292     INT ret = 0;
1293
1294     if (!MSVCRT_CHECK_PMT(dst != NULL)) return MSVCRT_EINVAL;
1295     if (!MSVCRT_CHECK_PMT(elem > 0)) return MSVCRT_EINVAL;
1296     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0)) return MSVCRT_EINVAL;
1297
1298     if (count == 0)
1299         return 0;
1300
1301     for (dststart = 0; dststart < elem; dststart++)
1302     {
1303         if (dst[dststart] == '\0')
1304             break;
1305     }
1306     if (dststart == elem)
1307     {
1308         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n", MSVCRT_EINVAL);
1309         return MSVCRT_EINVAL;
1310     }
1311
1312     if (count == MSVCRT__TRUNCATE)
1313     {
1314         srclen = strlenW(src);
1315         if (srclen >= (elem - dststart))
1316         {
1317             srclen = elem - dststart - 1;
1318             ret = MSVCRT_STRUNCATE;
1319         }
1320     }
1321     else
1322         srclen = min(strlenW(src), count);
1323     if (srclen < (elem - dststart))
1324     {
1325         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1326         dst[dststart+srclen] = '\0';
1327         return ret;
1328     }
1329     MSVCRT_INVALID_PMT("dst[elem] is too small", MSVCRT_ERANGE);
1330     dst[0] = '\0';
1331     return MSVCRT_ERANGE;
1332 }
1333
1334 /*********************************************************************
1335  *  _wcstoi64_l (MSVCRT.@)
1336  *
1337  * FIXME: locale parameter is ignored
1338  */
1339 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1340         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1341 {
1342     BOOL negative = FALSE;
1343     __int64 ret = 0;
1344
1345     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1346
1347     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1348     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1349     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1350
1351     while(isspaceW(*nptr)) nptr++;
1352
1353     if(*nptr == '-') {
1354         negative = TRUE;
1355         nptr++;
1356     } else if(*nptr == '+')
1357         nptr++;
1358
1359     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1360         base = 16;
1361         nptr += 2;
1362     }
1363
1364     if(base == 0) {
1365         if(*nptr=='0')
1366             base = 8;
1367         else
1368             base = 10;
1369     }
1370
1371     while(*nptr) {
1372         char cur = tolowerW(*nptr);
1373         int v;
1374
1375         if(isdigitW(cur)) {
1376             if(cur >= '0'+base)
1377                 break;
1378             v = cur-'0';
1379         } else {
1380             if(cur<'a' || cur>='a'+base-10)
1381                 break;
1382             v = cur-'a'+10;
1383         }
1384
1385         if(negative)
1386             v = -v;
1387
1388         nptr++;
1389
1390         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1391             ret = MSVCRT_I64_MAX;
1392             *MSVCRT__errno() = MSVCRT_ERANGE;
1393         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1394             ret = MSVCRT_I64_MIN;
1395             *MSVCRT__errno() = MSVCRT_ERANGE;
1396         } else
1397             ret = ret*base + v;
1398     }
1399
1400     if(endptr)
1401         *endptr = (MSVCRT_wchar_t*)nptr;
1402
1403     return ret;
1404 }
1405
1406 /*********************************************************************
1407  *  _wcstoi64 (MSVCRT.@)
1408  */
1409 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1410         MSVCRT_wchar_t **endptr, int base)
1411 {
1412     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1413 }
1414
1415 /*********************************************************************
1416  *  _wcstoui64_l (MSVCRT.@)
1417  *
1418  * FIXME: locale parameter is ignored
1419  */
1420 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1421         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1422 {
1423     BOOL negative = FALSE;
1424     unsigned __int64 ret = 0;
1425
1426     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1427
1428     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1429     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1430     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1431
1432     while(isspaceW(*nptr)) nptr++;
1433
1434     if(*nptr == '-') {
1435         negative = TRUE;
1436         nptr++;
1437     } else if(*nptr == '+')
1438         nptr++;
1439
1440     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1441         base = 16;
1442         nptr += 2;
1443     }
1444
1445     if(base == 0) {
1446         if(*nptr=='0')
1447             base = 8;
1448         else
1449             base = 10;
1450     }
1451
1452     while(*nptr) {
1453         char cur = tolowerW(*nptr);
1454         int v;
1455
1456         if(isdigit(cur)) {
1457             if(cur >= '0'+base)
1458                 break;
1459             v = *nptr-'0';
1460         } else {
1461             if(cur<'a' || cur>='a'+base-10)
1462                 break;
1463             v = cur-'a'+10;
1464         }
1465
1466         nptr++;
1467
1468         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1469             ret = MSVCRT_UI64_MAX;
1470             *MSVCRT__errno() = MSVCRT_ERANGE;
1471         } else
1472             ret = ret*base + v;
1473     }
1474
1475     if(endptr)
1476         *endptr = (MSVCRT_wchar_t*)nptr;
1477
1478     return negative ? -ret : ret;
1479 }
1480
1481 /*********************************************************************
1482  *  _wcstoui64 (MSVCRT.@)
1483  */
1484 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1485         MSVCRT_wchar_t **endptr, int base)
1486 {
1487     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1488 }
1489
1490 /******************************************************************
1491  *  wcsnlen (MSVCRT.@)
1492  */
1493 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1494 {
1495     MSVCRT_size_t i;
1496
1497     for (i = 0; i < maxlen; i++)
1498         if (!s[i]) break;
1499     return i;
1500 }
1501
1502 /*********************************************************************
1503  *              _towupper_l (MSVCRT.@)
1504  */
1505 int CDECL MSVCRT__towupper_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1506 {
1507     return toupperW(c);
1508 }
1509
1510 /*********************************************************************
1511  *              _towlower_l (MSVCRT.@)
1512  */
1513 int CDECL MSVCRT__towlower_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1514 {
1515     return tolowerW(c);
1516 }