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     MSVCRT_size_t tmp = 0;
 317     BOOL used_default;
 318
 319     if(!locale)
 320         locinfo = get_locinfo();
 321     else
 322         locinfo = locale->locinfo;
 323
 324     if(!mbstr) {
 325         tmp = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 326                 *wcstr, -1, NULL, 0, NULL, &used_default)-1;
 327         if(used_default)
 328             return -1;
 329         return tmp;
 330     }
 331
 332     while(**wcstr) {
 333         char buf[3];
 334         MSVCRT_size_t i, size;
 335
 336         size = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 337                 *wcstr, 1, buf, 3, NULL, &used_default);
 338         if(used_default)
 339             return -1;
 340         if(tmp+size > count)
 341             return tmp;
 342
 343         for(i=0; i<size; i++)
 344             mbstr[tmp++] = buf[i];
 345         (*wcstr)++;
 346     }
 347
 348     if(tmp < count) {
 349         mbstr[tmp] = '\0';
 350         *wcstr = NULL;
 351     }
 352     return tmp;
 353 }
 354
 355 /*********************************************************************
 356  *              _wcstombs_l (MSVCRT.@)
 357  */
 358 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 359         MSVCRT_size_t count, MSVCRT__locale_t locale)
 360 {
 361     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, locale);
 362 }
 363
 364 /*********************************************************************
 365  *              wcstombs (MSVCRT.@)
 366  */
 367 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 368         MSVCRT_size_t count)
 369 {
 370     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, NULL);
 371 }
 372
 373 /*********************************************************************
 374  *              wcsrtombs (MSVCRT.@)
 375  */
 376 MSVCRT_size_t CDECL MSVCRT_wcsrtombs(char *mbstr, const MSVCRT_wchar_t **wcstr,
 377         MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 378 {
 379     if(mbstate)
 380         *mbstate = 0;
 381
 382     return MSVCRT_wcsrtombs_l(mbstr, wcstr, count, NULL);
 383 }
 384
 385 /*********************************************************************
 386  * MSVCRT_wcsrtombs_s_l (INTERNAL)
 387  */
 388 static int MSVCRT_wcsrtombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 389         MSVCRT_size_t size, const MSVCRT_wchar_t **wcstr,
 390         MSVCRT_size_t count, MSVCRT__locale_t locale)
 391 {
 392     MSVCRT_size_t conv;
 393
 394     if(!mbstr && !size && wcstr) {
 395         conv = MSVCRT_wcsrtombs_l(NULL, wcstr, 0, locale);
 396         if(ret)
 397             *ret = conv+1;
 398         return 0;
 399     }
 400
 401     if (!MSVCRT_CHECK_PMT(wcstr != NULL) || !MSVCRT_CHECK_PMT(*wcstr != NULL)
 402             || !MSVCRT_CHECK_PMT(mbstr != NULL)) {
 403         if(mbstr && size)
 404             mbstr[0] = '\0';
 405         *MSVCRT__errno() = MSVCRT_EINVAL;
 406         return MSVCRT_EINVAL;
 407     }
 408
 409     if(count==MSVCRT__TRUNCATE || size<count)
 410         conv = size;
 411     else
 412         conv = count;
 413
 414     conv = MSVCRT_wcsrtombs_l(mbstr, wcstr, conv, locale);
 415     if(conv<size)
 416         mbstr[conv++] = '\0';
 417     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 418         mbstr[conv-1] = '\0';
 419     else {
 420         MSVCRT_INVALID_PMT("mbstr[size] is too small");
 421         if(size)
 422             mbstr[0] = '\0';
 423         *MSVCRT__errno() = MSVCRT_ERANGE;
 424         return MSVCRT_ERANGE;
 425     }
 426
 427     if(ret)
 428         *ret = conv;
 429     return 0;
 430 }
 431
 432 /*********************************************************************
 433  *              _wcstombs_s_l (MSVCRT.@)
 434  */
 435 int CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 436         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 437         MSVCRT_size_t count, MSVCRT__locale_t locale)
 438 {
 439     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr,count, locale);
 440 }
 441
 442 /*********************************************************************
 443  *              wcstombs_s (MSVCRT.@)
 444  */
 445 int CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 446         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 447 {
 448     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, &wcstr, count, NULL);
 449 }
 450
 451 /*********************************************************************
 452  *              wcsrtombs_s (MSVCRT.@)
 453  */
 454 int CDECL MSVCRT_wcsrtombs_s(MSVCRT_size_t *ret, char *mbstr, MSVCRT_size_t size,
 455         const MSVCRT_wchar_t **wcstr, MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 456 {
 457     if(mbstate)
 458         *mbstate = 0;
 459
 460     return MSVCRT_wcsrtombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 461 }
 462
 463 /*********************************************************************
 464  *              wcstod (MSVCRT.@)
 465  */
 466 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 467 {
 468     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 469 }
 470
 471 /*********************************************************************
 472  *              _wtof (MSVCRT.@)
 473  */
 474 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 475 {
 476     return MSVCRT__wcstod_l(str, NULL, NULL);
 477 }
 478
 479 /*********************************************************************
 480  *              _wtof_l (MSVCRT.@)
 481  */
 482 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 483 {
 484     return MSVCRT__wcstod_l(str, NULL, locale);
 485 }
 486
 487 /*********************************************************************
 488  * arg_clbk_valist (INTERNAL)
 489  */
 490 printf_arg arg_clbk_valist(void *ctx, int arg_pos, int type, __ms_va_list *valist)
 491 {
 492     printf_arg ret;
 493
 494     if(type == VT_I8)
 495         ret.get_longlong = va_arg(*valist, LONGLONG);
 496     else if(type == VT_INT)
 497         ret.get_int = va_arg(*valist, int);
 498     else if(type == VT_R8)
 499         ret.get_double = va_arg(*valist, double);
 500     else if(type == VT_PTR)
 501         ret.get_ptr = va_arg(*valist, void*);
 502     else {
 503         ERR("Incorrect type\n");
 504         ret.get_int = 0;
 505     }
 506
 507     return ret;
 508 }
 509
 510 /*********************************************************************
 511  * arg_clbk_positional (INTERNAL)
 512  */
 513 static printf_arg arg_clbk_positional(void *ctx, int pos, int type, __ms_va_list *valist)
 514 {
 515     printf_arg *args = ctx;
 516     return args[pos];
 517 }
 518
 519 /*********************************************************************
 520  *              _vsnprintf (MSVCRT.@)
 521  */
 522 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
 523                             const char *format, __ms_va_list valist )
 524 {
 525     static const char nullbyte = '\0';
 526     struct _str_ctx_a ctx = {len, str};
 527     int ret;
 528
 529     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, NULL, FALSE, FALSE,
 530             arg_clbk_valist, NULL, &valist);
 531     puts_clbk_str_a(&ctx, 1, &nullbyte);
 532     return ret;
 533 }
 534
 535 /*********************************************************************
 536 *               _vsnprintf_l (MSVCRT.@)
 537  */
 538 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
 539                             MSVCRT__locale_t locale, __ms_va_list valist )
 540 {
 541     static const char nullbyte = '\0';
 542     struct _str_ctx_a ctx = {len, str};
 543     int ret;
 544
 545     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, FALSE,
 546             arg_clbk_valist, NULL, &valist);
 547     puts_clbk_str_a(&ctx, 1, &nullbyte);
 548     return ret;
 549 }
 550
 551 /*********************************************************************
 552  *              _vsnprintf_s_l (MSVCRT.@)
 553  */
 554 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
 555         MSVCRT_size_t count, const char *format,
 556         MSVCRT__locale_t locale, __ms_va_list valist )
 557 {
 558     static const char nullbyte = '\0';
 559     struct _str_ctx_a ctx;
 560     int len, ret;
 561
 562     if(sizeOfBuffer<count+1 || count==-1)
 563         len = sizeOfBuffer;
 564     else
 565         len = count+1;
 566
 567     ctx.len = len;
 568     ctx.buf = str;
 569     ret = pf_printf_a(puts_clbk_str_a, &ctx, format, locale, FALSE, TRUE,
 570             arg_clbk_valist, NULL, &valist);
 571     puts_clbk_str_a(&ctx, 1, &nullbyte);
 572
 573     if(ret<0 || ret==len) {
 574         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 575             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
 576             *MSVCRT__errno() = MSVCRT_ERANGE;
 577             memset(str, 0, sizeOfBuffer);
 578         } else
 579             str[len-1] = '\0';
 580
 581         return -1;
 582     }
 583
 584     return ret;
 585 }
 586
 587 /*********************************************************************
 588  *              _vsnprintf_s (MSVCRT.@)
 589  */
 590 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
 591         MSVCRT_size_t count, const char *format, __ms_va_list valist )
 592 {
 593     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
 594 }
 595
 596 /*********************************************************************
 597  *              vsprintf (MSVCRT.@)
 598  */
 599 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
 600 {
 601     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
 602 }
 603
 604 /*********************************************************************
 605  *              vsprintf_s (MSVCRT.@)
 606  */
 607 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
 608 {
 609     return MSVCRT_vsnprintf(str, num, format, valist);
 610 }
 611
 612 /*********************************************************************
 613  *              _vscprintf (MSVCRT.@)
 614  */
 615 int CDECL MSVCRT__vscprintf( const char *format, __ms_va_list valist )
 616 {
 617     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
 618 }
 619
 620 /*********************************************************************
 621  *              _snprintf (MSVCRT.@)
 622  */
 623 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 624 {
 625     int retval;
 626     __ms_va_list valist;
 627     __ms_va_start(valist, format);
 628     retval = MSVCRT_vsnprintf(str, len, format, valist);
 629     __ms_va_end(valist);
 630     return retval;
 631 }
 632
 633 /*********************************************************************
 634  *              _snprintf_s (MSVCRT.@)
 635  */
 636 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
 637     const char *format, ...)
 638 {
 639     int retval;
 640     __ms_va_list valist;
 641     __ms_va_start(valist, format);
 642     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
 643     __ms_va_end(valist);
 644     return retval;
 645 }
 646
 647 /*********************************************************************
 648  *              _scprintf (MSVCRT.@)
 649  */
 650 int CDECL MSVCRT__scprintf(const char *format, ...)
 651 {
 652     int retval;
 653     __ms_va_list valist;
 654     __ms_va_start(valist, format);
 655     retval = MSVCRT__vscprintf(format, valist);
 656     __ms_va_end(valist);
 657     return retval;
 658 }
 659
 660 /*********************************************************************
 661  *              _vsnwprintf (MSVCRT.@)
 662  */
 663 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 664         const MSVCRT_wchar_t *format, __ms_va_list valist)
 665 {
 666     static const MSVCRT_wchar_t nullbyte = '\0';
 667     struct _str_ctx_w ctx = {len, str};
 668     int ret;
 669
 670     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, NULL, FALSE, FALSE,
 671             arg_clbk_valist, NULL, &valist);
 672     puts_clbk_str_w(&ctx, 1, &nullbyte);
 673     return ret;
 674 }
 675
 676 /*********************************************************************
 677  *              _vsnwprintf_l (MSVCRT.@)
 678  */
 679 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 680         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
 681         __ms_va_list valist)
 682 {
 683     static const MSVCRT_wchar_t nullbyte = '\0';
 684     struct _str_ctx_w ctx = {len, str};
 685     int ret;
 686
 687     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, FALSE,
 688             arg_clbk_valist, NULL, &valist);
 689     puts_clbk_str_w(&ctx, 1, &nullbyte);
 690     return ret;
 691 }
 692
 693 /*********************************************************************
 694  *              _vswprintf_p_l (MSVCRT.@)
 695  */
 696 int CDECL MSVCRT_vswprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 697         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args)
 698 {
 699     static const MSVCRT_wchar_t nullbyte = '\0';
 700     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 701     struct _str_ctx_w puts_ctx = {length, buffer};
 702     int ret;
 703
 704     memset(args_ctx, 0, sizeof(args_ctx));
 705
 706     ret = create_positional_ctx_w(args_ctx, format, args);
 707     if(ret < 0)  {
 708         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 709         *MSVCRT__errno() = MSVCRT_EINVAL;
 710         return ret;
 711     } else if(ret == 0)
 712         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, FALSE, TRUE,
 713                 arg_clbk_valist, NULL, &args);
 714     else
 715         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, TRUE, TRUE,
 716                 arg_clbk_positional, args_ctx, NULL);
 717
 718     puts_clbk_str_w(&puts_ctx, 1, &nullbyte);
 719     return ret;
 720 }
 721
 722 /*********************************************************************
 723  *              _vsnwprintf_s_l (MSVCRT.@)
 724  */
 725 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 726         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
 727         MSVCRT__locale_t locale, __ms_va_list valist)
 728 {
 729     static const MSVCRT_wchar_t nullbyte = '\0';
 730     struct _str_ctx_w ctx;
 731     int len, ret;
 732
 733     len = sizeOfBuffer;
 734     if(count!=-1 && len>count+1)
 735         len = count+1;
 736
 737     ctx.len = len;
 738     ctx.buf = str;
 739     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, TRUE,
 740             arg_clbk_valist, NULL, &valist);
 741     puts_clbk_str_w(&ctx, 1, &nullbyte);
 742
 743     if(ret<0 || ret==len) {
 744         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 745             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
 746             *MSVCRT__errno() = MSVCRT_ERANGE;
 747             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
 748         } else
 749             str[len-1] = '\0';
 750
 751         return -1;
 752     }
 753
 754     return ret;
 755 }
 756
 757 /*********************************************************************
 758  *              _vsnwprintf_s (MSVCRT.@)
 759  */
 760 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 761         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
 762 {
 763     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
 764             format, NULL, valist);
 765 }
 766
 767 /*********************************************************************
 768  *              _snwprintf (MSVCRT.@)
 769  */
 770 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 771 {
 772     int retval;
 773     __ms_va_list valist;
 774     __ms_va_start(valist, format);
 775     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 776     __ms_va_end(valist);
 777     return retval;
 778 }
 779
 780 /*********************************************************************
 781  *              _snwprintf_s (MSVCRT.@)
 782  */
 783 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
 784     const MSVCRT_wchar_t *format, ...)
 785 {
 786     int retval;
 787     __ms_va_list valist;
 788     __ms_va_start(valist, format);
 789     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
 790     __ms_va_end(valist);
 791     return retval;
 792 }
 793
 794 /*********************************************************************
 795  *              sprintf (MSVCRT.@)
 796  */
 797 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 798 {
 799     __ms_va_list ap;
 800     int r;
 801
 802     __ms_va_start( ap, format );
 803     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 804     __ms_va_end( ap );
 805     return r;
 806 }
 807
 808 /*********************************************************************
 809  *              sprintf_s (MSVCRT.@)
 810  */
 811 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
 812 {
 813     __ms_va_list ap;
 814     int r;
 815
 816     __ms_va_start( ap, format );
 817     r = MSVCRT_vsnprintf( str, num, format, ap );
 818     __ms_va_end( ap );
 819     return r;
 820 }
 821
 822 /*********************************************************************
 823  *              _scwprintf (MSVCRT.@)
 824  */
 825 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
 826 {
 827     __ms_va_list ap;
 828     int r;
 829
 830     __ms_va_start( ap, format );
 831     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
 832     __ms_va_end( ap );
 833     return r;
 834 }
 835
 836 /*********************************************************************
 837  *              swprintf (MSVCRT.@)
 838  */
 839 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 840 {
 841     __ms_va_list ap;
 842     int r;
 843
 844     __ms_va_start( ap, format );
 845     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 846     __ms_va_end( ap );
 847     return r;
 848 }
 849
 850 /*********************************************************************
 851  *              swprintf_s (MSVCRT.@)
 852  */
 853 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
 854         const MSVCRT_wchar_t *format, ... )
 855 {
 856     __ms_va_list ap;
 857     int r;
 858
 859     __ms_va_start(ap, format);
 860     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
 861     __ms_va_end(ap);
 862
 863     return r;
 864 }
 865
 866 /*********************************************************************
 867  *              _vswprintf (MSVCRT.@)
 868  */
 869 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
 870 {
 871     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 872 }
 873
 874 /*********************************************************************
 875  *              _vswprintf (MSVCRT.@)
 876  */
 877 int CDECL MSVCRT_vswprintf_l( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format,
 878         MSVCRT__locale_t locale, __ms_va_list args )
 879 {
 880     return MSVCRT_vsnwprintf_l( str, INT_MAX, format, locale, args );
 881 }
 882
 883 /*********************************************************************
 884  *              _vscwprintf (MSVCRT.@)
 885  */
 886 int CDECL MSVCRT__vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
 887 {
 888     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
 889 }
 890
 891 /*********************************************************************
 892  *              _vscwprintf_l (MSVCRT.@)
 893  */
 894 int CDECL MSVCRT__vscwprintf_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
 895 {
 896     return MSVCRT_vsnwprintf_l( NULL, INT_MAX, format, locale, args );
 897 }
 898
 899 /*********************************************************************
 900  *              _vscwprintf_p_l (MSVCRT.@)
 901  */
 902 int CDECL MSVCRT__vscwprintf_p_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
 903 {
 904     return MSVCRT_vswprintf_p_l( NULL, INT_MAX, format, locale, args );
 905 }
 906
 907 /*********************************************************************
 908  *              vswprintf_s (MSVCRT.@)
 909  */
 910 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 911         const MSVCRT_wchar_t* format, __ms_va_list args)
 912 {
 913     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
 914 }
 915
 916 /*********************************************************************
 917  *              _vswprintf_s_l (MSVCRT.@)
 918  */
 919 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 920         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
 921 {
 922     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
 923             format, locale, args );
 924 }
 925
 926 /*********************************************************************
 927  *              _vsprintf_p_l (MSVCRT.@)
 928  */
 929 int CDECL MSVCRT_vsprintf_p_l(char *buffer, MSVCRT_size_t length, const char *format,
 930         MSVCRT__locale_t locale, __ms_va_list args)
 931 {
 932     static const char nullbyte = '\0';
 933     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 934     struct _str_ctx_a puts_ctx = {length, buffer};
 935     int ret;
 936
 937     memset(args_ctx, 0, sizeof(args_ctx));
 938
 939     ret = create_positional_ctx_a(args_ctx, format, args);
 940     if(ret < 0) {
 941         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 942         *MSVCRT__errno() = MSVCRT_EINVAL;
 943         return ret;
 944     } else if(ret == 0)
 945         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, FALSE, TRUE,
 946                 arg_clbk_valist, NULL, &args);
 947     else
 948         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, TRUE, TRUE,
 949                 arg_clbk_positional, args_ctx, NULL);
 950
 951     puts_clbk_str_a(&puts_ctx, 1, &nullbyte);
 952     return ret;
 953 }
 954
 955 /*********************************************************************
 956  *              _vsprintf_p (MSVCRT.@)
 957  */
 958 int CDECL MSVCRT_vsprintf_p(char *buffer, MSVCRT_size_t length,
 959         const char *format, __ms_va_list args)
 960 {
 961     return MSVCRT_vsprintf_p_l(buffer, length, format, NULL, args);
 962 }
 963
 964 /*********************************************************************
 965  *              _sprintf_p_l (MSVCRT.@)
 966  */
 967 int CDECL MSVCRT_sprintf_p_l(char *buffer, MSVCRT_size_t length,
 968         const char *format, MSVCRT__locale_t locale, ...)
 969 {
 970     __ms_va_list valist;
 971     int r;
 972
 973     __ms_va_start(valist, locale);
 974     r = MSVCRT_vsprintf_p_l(buffer, length, format, locale, valist);
 975     __ms_va_end(valist);
 976
 977     return r;
 978 }
 979
 980 /*********************************************************************
 981  *              _swprintf_p_l (MSVCRT.@)
 982  */
 983 int CDECL MSVCRT_swprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 984         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
 985 {
 986     __ms_va_list valist;
 987     int r;
 988
 989     __ms_va_start(valist, locale);
 990     r = MSVCRT_vswprintf_p_l(buffer, length, format, locale, valist);
 991     __ms_va_end(valist);
 992
 993     return r;
 994 }
 995
 996 /*********************************************************************
 997  *              wcscoll (MSVCRT.@)
 998  */
 999 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1000 {
1001   /* FIXME: handle collates */
1002   return strcmpW( str1, str2 );
1003 }
1004
1005 /*********************************************************************
1006  *              wcspbrk (MSVCRT.@)
1007  */
1008 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1009 {
1010   const MSVCRT_wchar_t* p;
1011   while (*str)
1012   {
1013     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1014       str++;
1015   }
1016   return NULL;
1017 }
1018
1019 /*********************************************************************
1020  *              wcstok_s  (MSVCRT.@)
1021  */
1022 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
1023                                  MSVCRT_wchar_t **next_token )
1024 {
1025     MSVCRT_wchar_t *ret;
1026
1027     if (!MSVCRT_CHECK_PMT(delim != NULL) || !MSVCRT_CHECK_PMT(next_token != NULL) ||
1028         !MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL))
1029     {
1030         *MSVCRT__errno() = MSVCRT_EINVAL;
1031         return NULL;
1032     }
1033     if (!str) str = *next_token;
1034
1035     while (*str && strchrW( delim, *str )) str++;
1036     if (!*str) return NULL;
1037     ret = str++;
1038     while (*str && !strchrW( delim, *str )) str++;
1039     if (*str) *str++ = 0;
1040     *next_token = str;
1041     return ret;
1042 }
1043
1044 /*********************************************************************
1045  *              wcstok  (MSVCRT.@)
1046  */
1047 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1048 {
1049     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1050 }
1051
1052 /*********************************************************************
1053  *              wctob (MSVCRT.@)
1054  */
1055 INT CDECL MSVCRT_wctob( MSVCRT_wint_t wchar )
1056 {
1057     char out;
1058     BOOL error;
1059     UINT codepage = get_locinfo()->lc_codepage;
1060
1061     if(!codepage) {
1062         if (wchar < 0xff)
1063             return (signed char)wchar;
1064         else
1065             return MSVCRT_EOF;
1066     } else if(WideCharToMultiByte( codepage, 0, &wchar, 1, &out, 1, NULL, &error ) && !error)
1067         return (INT)out;
1068     return MSVCRT_EOF;
1069 }
1070
1071 /*********************************************************************
1072  *              wctomb (MSVCRT.@)
1073  */
1074 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1075 {
1076     return WideCharToMultiByte( get_locinfo()->lc_codepage, 0, &ch, 1, dst, 6, NULL, NULL );
1077 }
1078
1079 /*********************************************************************
1080  *              iswalnum (MSVCRT.@)
1081  */
1082 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1083 {
1084     return isalnumW( wc );
1085 }
1086
1087 /*********************************************************************
1088  *              iswalpha (MSVCRT.@)
1089  */
1090 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1091 {
1092     return isalphaW( wc );
1093 }
1094
1095 /*********************************************************************
1096  *              iswalpha_l (MSVCRT.@)
1097  */
1098 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1099 {
1100     return isalphaW( wc );
1101 }
1102
1103 /*********************************************************************
1104  *              iswcntrl (MSVCRT.@)
1105  */
1106 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1107 {
1108     return iscntrlW( wc );
1109 }
1110
1111 /*********************************************************************
1112  *              iswdigit (MSVCRT.@)
1113  */
1114 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1115 {
1116     return isdigitW( wc );
1117 }
1118
1119 /*********************************************************************
1120  *              _iswdigit_l (MSVCRT.@)
1121  */
1122 INT CDECL MSVCRT__iswdigit_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1123 {
1124     return isdigitW( wc );
1125 }
1126
1127 /*********************************************************************
1128  *              iswgraph (MSVCRT.@)
1129  */
1130 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1131 {
1132     return isgraphW( wc );
1133 }
1134
1135 /*********************************************************************
1136  *              iswlower (MSVCRT.@)
1137  */
1138 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1139 {
1140     return islowerW( wc );
1141 }
1142
1143 /*********************************************************************
1144  *              iswprint (MSVCRT.@)
1145  */
1146 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1147 {
1148     return isprintW( wc );
1149 }
1150
1151 /*********************************************************************
1152  *              iswpunct (MSVCRT.@)
1153  */
1154 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1155 {
1156     return ispunctW( wc );
1157 }
1158
1159 /*********************************************************************
1160  *              iswspace (MSVCRT.@)
1161  */
1162 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1163 {
1164     return isspaceW( wc );
1165 }
1166
1167 /*********************************************************************
1168  *              iswupper (MSVCRT.@)
1169  */
1170 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1171 {
1172     return isupperW( wc );
1173 }
1174
1175 /*********************************************************************
1176  *              iswxdigit (MSVCRT.@)
1177  */
1178 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1179 {
1180     return isxdigitW( wc );
1181 }
1182
1183 /*********************************************************************
1184  *              wcscpy_s (MSVCRT.@)
1185  */
1186 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1187 {
1188     MSVCRT_size_t size = 0;
1189
1190     if(!wcDest || !numElement)
1191         return MSVCRT_EINVAL;
1192
1193     wcDest[0] = 0;
1194
1195     if(!wcSrc)
1196     {
1197         return MSVCRT_EINVAL;
1198     }
1199
1200     size = strlenW(wcSrc) + 1;
1201
1202     if(size > numElement)
1203     {
1204         return MSVCRT_ERANGE;
1205     }
1206
1207     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1208
1209     return 0;
1210 }
1211
1212 /******************************************************************
1213  *              wcsncpy_s (MSVCRT.@)
1214  */
1215 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1216                             MSVCRT_size_t count )
1217 {
1218     MSVCRT_size_t size = 0;
1219
1220     if (!wcDest || !numElement)
1221         return MSVCRT_EINVAL;
1222
1223     wcDest[0] = 0;
1224
1225     if (!wcSrc)
1226     {
1227         return count ? MSVCRT_EINVAL : 0;
1228     }
1229
1230     size = min(strlenW(wcSrc), count);
1231
1232     if (size >= numElement)
1233     {
1234         return MSVCRT_ERANGE;
1235     }
1236
1237     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1238     wcDest[size] = '\0';
1239
1240     return 0;
1241 }
1242
1243 /******************************************************************
1244  *              wcscat_s (MSVCRT.@)
1245  *
1246  */
1247 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1248 {
1249     MSVCRT_wchar_t* ptr = dst;
1250
1251     if (!dst || elem == 0) return MSVCRT_EINVAL;
1252     if (!src)
1253     {
1254         dst[0] = '\0';
1255         return MSVCRT_EINVAL;
1256     }
1257
1258     /* seek to end of dst string (or elem if no end of string is found */
1259     while (ptr < dst + elem && *ptr != '\0') ptr++;
1260     while (ptr < dst + elem)
1261     {
1262         if ((*ptr++ = *src++) == '\0') return 0;
1263     }
1264     /* not enough space */
1265     dst[0] = '\0';
1266     return MSVCRT_ERANGE;
1267 }
1268
1269 /*********************************************************************
1270  *  wcsncat_s (MSVCRT.@)
1271  *
1272  */
1273 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1274         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1275 {
1276     MSVCRT_size_t srclen;
1277     MSVCRT_wchar_t dststart;
1278     INT ret = 0;
1279
1280     if (!MSVCRT_CHECK_PMT(dst != NULL) || !MSVCRT_CHECK_PMT(elem > 0))
1281     {
1282         *MSVCRT__errno() = MSVCRT_EINVAL;
1283         return MSVCRT_EINVAL;
1284     }
1285     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0))
1286         return MSVCRT_EINVAL;
1287     if (count == 0)
1288         return 0;
1289
1290     for (dststart = 0; dststart < elem; dststart++)
1291     {
1292         if (dst[dststart] == '\0')
1293             break;
1294     }
1295     if (dststart == elem)
1296     {
1297         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n");
1298         return MSVCRT_EINVAL;
1299     }
1300
1301     if (count == MSVCRT__TRUNCATE)
1302     {
1303         srclen = strlenW(src);
1304         if (srclen >= (elem - dststart))
1305         {
1306             srclen = elem - dststart - 1;
1307             ret = MSVCRT_STRUNCATE;
1308         }
1309     }
1310     else
1311         srclen = min(strlenW(src), count);
1312     if (srclen < (elem - dststart))
1313     {
1314         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1315         dst[dststart+srclen] = '\0';
1316         return ret;
1317     }
1318     MSVCRT_INVALID_PMT("dst[elem] is too small");
1319     dst[0] = '\0';
1320     return MSVCRT_ERANGE;
1321 }
1322
1323 /*********************************************************************
1324  *  _wcstoi64_l (MSVCRT.@)
1325  *
1326  * FIXME: locale parameter is ignored
1327  */
1328 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1329         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1330 {
1331     BOOL negative = FALSE;
1332     __int64 ret = 0;
1333
1334     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1335
1336     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1337         !MSVCRT_CHECK_PMT(base <= 36)) {
1338         *MSVCRT__errno() = MSVCRT_EINVAL;
1339         return 0;
1340     }
1341
1342     while(isspaceW(*nptr)) nptr++;
1343
1344     if(*nptr == '-') {
1345         negative = TRUE;
1346         nptr++;
1347     } else if(*nptr == '+')
1348         nptr++;
1349
1350     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1351         base = 16;
1352         nptr += 2;
1353     }
1354
1355     if(base == 0) {
1356         if(*nptr=='0')
1357             base = 8;
1358         else
1359             base = 10;
1360     }
1361
1362     while(*nptr) {
1363         char cur = tolowerW(*nptr);
1364         int v;
1365
1366         if(isdigitW(cur)) {
1367             if(cur >= '0'+base)
1368                 break;
1369             v = cur-'0';
1370         } else {
1371             if(cur<'a' || cur>='a'+base-10)
1372                 break;
1373             v = cur-'a'+10;
1374         }
1375
1376         if(negative)
1377             v = -v;
1378
1379         nptr++;
1380
1381         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1382             ret = MSVCRT_I64_MAX;
1383             *MSVCRT__errno() = MSVCRT_ERANGE;
1384         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1385             ret = MSVCRT_I64_MIN;
1386             *MSVCRT__errno() = MSVCRT_ERANGE;
1387         } else
1388             ret = ret*base + v;
1389     }
1390
1391     if(endptr)
1392         *endptr = (MSVCRT_wchar_t*)nptr;
1393
1394     return ret;
1395 }
1396
1397 /*********************************************************************
1398  *  _wcstoi64 (MSVCRT.@)
1399  */
1400 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1401         MSVCRT_wchar_t **endptr, int base)
1402 {
1403     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1404 }
1405
1406 /*********************************************************************
1407  *  _wcstoui64_l (MSVCRT.@)
1408  *
1409  * FIXME: locale parameter is ignored
1410  */
1411 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1412         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1413 {
1414     BOOL negative = FALSE;
1415     unsigned __int64 ret = 0;
1416
1417     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1418
1419     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1420         !MSVCRT_CHECK_PMT(base <= 36)) {
1421         *MSVCRT__errno() = MSVCRT_EINVAL;
1422         return 0;
1423     }
1424
1425     while(isspaceW(*nptr)) nptr++;
1426
1427     if(*nptr == '-') {
1428         negative = TRUE;
1429         nptr++;
1430     } else if(*nptr == '+')
1431         nptr++;
1432
1433     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1434         base = 16;
1435         nptr += 2;
1436     }
1437
1438     if(base == 0) {
1439         if(*nptr=='0')
1440             base = 8;
1441         else
1442             base = 10;
1443     }
1444
1445     while(*nptr) {
1446         char cur = tolowerW(*nptr);
1447         int v;
1448
1449         if(isdigit(cur)) {
1450             if(cur >= '0'+base)
1451                 break;
1452             v = *nptr-'0';
1453         } else {
1454             if(cur<'a' || cur>='a'+base-10)
1455                 break;
1456             v = cur-'a'+10;
1457         }
1458
1459         nptr++;
1460
1461         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1462             ret = MSVCRT_UI64_MAX;
1463             *MSVCRT__errno() = MSVCRT_ERANGE;
1464         } else
1465             ret = ret*base + v;
1466     }
1467
1468     if(endptr)
1469         *endptr = (MSVCRT_wchar_t*)nptr;
1470
1471     return negative ? -ret : ret;
1472 }
1473
1474 /*********************************************************************
1475  *  _wcstoui64 (MSVCRT.@)
1476  */
1477 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1478         MSVCRT_wchar_t **endptr, int base)
1479 {
1480     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1481 }
1482
1483 /******************************************************************
1484  *  wcsnlen (MSVCRT.@)
1485  */
1486 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1487 {
1488     MSVCRT_size_t i;
1489
1490     for (i = 0; i < maxlen; i++)
1491         if (!s[i]) break;
1492     return i;
1493 }
1494
1495 /*********************************************************************
1496  *              _towupper_l (MSVCRT.@)
1497  */
1498 int CDECL MSVCRT__towupper_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1499 {
1500     return toupperW(c);
1501 }
1502
1503 /*********************************************************************
1504  *              _towlower_l (MSVCRT.@)
1505  */
1506 int CDECL MSVCRT__towlower_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1507 {
1508     return tolowerW(c);
1509 }