dlls/msvcrt/wcs.c

   1 /*
   2  * msvcrt.dll wide-char functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <limits.h>
  25 #include <stdio.h>
  26 #include <math.h>
  27 #include <assert.h>
  28 #include "msvcrt.h"
  29 #include "winnls.h"
  30 #include "wtypes.h"
  31 #include "wine/unicode.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  35
  36 static BOOL n_format_enabled = TRUE;
  37
  38 #include "printf.h"
  39 #define PRINTF_WIDE
  40 #include "printf.h"
  41 #undef PRINTF_WIDE
  42
  43 /* _get_printf_count_output - not exported in native msvcrt */
  44 int CDECL MSVCRT__get_printf_count_output( void )
  45 {
  46     return n_format_enabled ? 1 : 0;
  47 }
  48
  49 /* _set_printf_count_output - not exported in native msvcrt */
  50 int CDECL MSVCRT__set_printf_count_output( int enable )
  51 {
  52     BOOL old = n_format_enabled;
  53     n_format_enabled = enable != 0;
  54     return old ? 1 : 0;
  55 }
  56
  57 /*********************************************************************
  58  *              _wcsdup (MSVCRT.@)
  59  */
  60 MSVCRT_wchar_t* CDECL MSVCRT__wcsdup( const MSVCRT_wchar_t* str )
  61 {
  62   MSVCRT_wchar_t* ret = NULL;
  63   if (str)
  64   {
  65     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  66     ret = MSVCRT_malloc( size );
  67     if (ret) memcpy( ret, str, size );
  68   }
  69   return ret;
  70 }
  71
  72 /*********************************************************************
  73  *              _wcsicoll (MSVCRT.@)
  74  */
  75 INT CDECL MSVCRT__wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  76 {
  77     return CompareStringW(get_locinfo()->lc_handle[MSVCRT_LC_COLLATE],
  78             NORM_IGNORECASE, str1, -1, str2, -1)-CSTR_EQUAL;
  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     return CompareStringW(get_locinfo()->lc_handle[MSVCRT_LC_COLLATE],
  87             NORM_IGNORECASE, str1, count, str2, count)-CSTR_EQUAL;
  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     long double lret=1, expcnt = 10;
 206     BOOL found_digit = FALSE, negexp;
 207
 208     if (!MSVCRT_CHECK_PMT(str != NULL)) return 0;
 209
 210     if(!locale)
 211         locinfo = get_locinfo();
 212     else
 213         locinfo = locale->locinfo;
 214
 215     p = str;
 216     while(isspaceW(*p))
 217         p++;
 218
 219     if(*p == '-') {
 220         sign = -1;
 221         p++;
 222     } else  if(*p == '+')
 223         p++;
 224
 225     while(isdigitW(*p)) {
 226         found_digit = TRUE;
 227         hlp = d*10+*(p++)-'0';
 228         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 229             exp++;
 230             break;
 231         } else
 232             d = hlp;
 233     }
 234     while(isdigitW(*p)) {
 235         exp++;
 236         p++;
 237     }
 238     if(*p == *locinfo->lconv->decimal_point)
 239         p++;
 240
 241     while(isdigitW(*p)) {
 242         found_digit = TRUE;
 243         hlp = d*10+*(p++)-'0';
 244         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 245             break;
 246
 247         d = hlp;
 248         exp--;
 249     }
 250     while(isdigitW(*p))
 251         p++;
 252
 253     if(!found_digit) {
 254         if(end)
 255             *end = (MSVCRT_wchar_t*)str;
 256         return 0.0;
 257     }
 258
 259     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 260         int e=0, s=1;
 261
 262         p++;
 263         if(*p == '-') {
 264             s = -1;
 265             p++;
 266         } else if(*p == '+')
 267             p++;
 268
 269         if(isdigitW(*p)) {
 270             while(isdigitW(*p)) {
 271                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 272                     e = INT_MAX;
 273                 p++;
 274             }
 275             e *= s;
 276
 277             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 278             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 279             else exp += e;
 280         } else {
 281             if(*p=='-' || *p=='+')
 282                 p--;
 283             p--;
 284         }
 285     }
 286
 287     fpcontrol = _control87(0, 0);
 288     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 289             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 290
 291     negexp = (exp < 0);
 292     if(negexp)
 293         exp = -exp;
 294     while(exp) {
 295         if(exp & 1)
 296             lret *= expcnt;
 297         exp /= 2;
 298         expcnt = expcnt*expcnt;
 299     }
 300     ret = (long double)sign * (negexp ? d/lret : d*lret);
 301
 302     _control87(fpcontrol, 0xffffffff);
 303
 304     if((d && ret==0.0) || isinf(ret))
 305         *MSVCRT__errno() = MSVCRT_ERANGE;
 306
 307     if(end)
 308         *end = (MSVCRT_wchar_t*)p;
 309
 310     return ret;
 311 }
 312
 313 /*********************************************************************
 314  * wcsrtombs_l (INTERNAL)
 315  */
 316 static MSVCRT_size_t CDECL MSVCRT_wcsrtombs_l(char *mbstr, const MSVCRT_wchar_t **wcstr,
 317         MSVCRT_size_t count, MSVCRT__locale_t locale)
 318 {
 319     MSVCRT_pthreadlocinfo locinfo;
 320     MSVCRT_size_t tmp = 0;
 321     BOOL used_default;
 322
 323     if(!locale)
 324         locinfo = get_locinfo();
 325     else
 326         locinfo = locale->locinfo;
 327
 328     if(!mbstr) {
 329         tmp = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 330                 *wcstr, -1, NULL, 0, NULL, &used_default)-1;
 331         if(used_default)
 332             return -1;
 333         return tmp;
 334     }
 335
 336     while(**wcstr) {
 337         char buf[3];
 338         MSVCRT_size_t i, size;
 339
 340         size = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 341                 *wcstr, 1, buf, 3, NULL, &used_default);
 342         if(used_default)
 343             return -1;
 344         if(tmp+size > count)
 345             return tmp;
 346
 347         for(i=0; i<size; i++)
 348             mbstr[tmp++] = buf[i];
 349         (*wcstr)++;
 350     }
 351
 352     if(tmp < count) {
 353         mbstr[tmp] = '\0';
 354         *wcstr = NULL;
 355     }
 356     return tmp;
 357 }
 358
 359 /*********************************************************************
 360  *              _wcstombs_l (MSVCRT.@)
 361  */
 362 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 363         MSVCRT_size_t count, MSVCRT__locale_t locale)
 364 {
 365     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, locale);
 366 }
 367
 368 /*********************************************************************
 369  *              wcstombs (MSVCRT.@)
 370  */
 371 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 372         MSVCRT_size_t count)
 373 {
 374     return MSVCRT_wcsrtombs_l(mbstr, &wcstr, count, NULL);
 375 }
 376
 377 /*********************************************************************
 378  *              wcsrtombs (MSVCRT.@)
 379  */
 380 MSVCRT_size_t CDECL MSVCRT_wcsrtombs(char *mbstr, const MSVCRT_wchar_t **wcstr,
 381         MSVCRT_size_t count, MSVCRT_mbstate_t *mbstate)
 382 {
 383     if(mbstate)
 384         *mbstate = 0;
 385
 386     return MSVCRT_wcsrtombs_l(mbstr, wcstr, count, NULL);
 387 }
 388
 389 /*********************************************************************
 390  * MSVCRT_wcsrtombs_s_l (INTERNAL)
 391  */
 392 static int MSVCRT_wcsrtombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 393         MSVCRT_size_t size, const MSVCRT_wchar_t **wcstr,
 394         MSVCRT_size_t count, MSVCRT__locale_t locale)
 395 {
 396     MSVCRT_size_t conv;
 397
 398     if(!mbstr && !size && wcstr) {
 399         conv = MSVCRT_wcsrtombs_l(NULL, wcstr, 0, locale);
 400         if(ret)
 401             *ret = conv+1;
 402         return 0;
 403     }
 404
 405     if (!MSVCRT_CHECK_PMT(mbstr != NULL)) return MSVCRT_EINVAL;
 406     if (size) mbstr[0] = '\0';
 407     if (!MSVCRT_CHECK_PMT(wcstr != NULL)) return MSVCRT_EINVAL;
 408     if (!MSVCRT_CHECK_PMT(*wcstr != NULL)) return MSVCRT_EINVAL;
 409
 410     if(count==MSVCRT__TRUNCATE || size<count)
 411         conv = size;
 412     else
 413         conv = count;
 414
 415     conv = MSVCRT_wcsrtombs_l(mbstr, wcstr, conv, locale);
 416     if(conv<size)
 417         mbstr[conv++] = '\0';
 418     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 419         mbstr[conv-1] = '\0';
 420     else {
 421         MSVCRT_INVALID_PMT("mbstr[size] is too small", MSVCRT_ERANGE);
 422         if(size)
 423             mbstr[0] = '\0';
 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", MSVCRT_ERANGE);
 576             memset(str, 0, sizeOfBuffer);
 577         } else
 578             str[len-1] = '\0';
 579
 580         return -1;
 581     }
 582
 583     return ret;
 584 }
 585
 586 /*********************************************************************
 587  *              _vsnprintf_s (MSVCRT.@)
 588  */
 589 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
 590         MSVCRT_size_t count, const char *format, __ms_va_list valist )
 591 {
 592     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
 593 }
 594
 595 /*********************************************************************
 596  *              vsprintf (MSVCRT.@)
 597  */
 598 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
 599 {
 600     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
 601 }
 602
 603 /*********************************************************************
 604  *              vsprintf_s (MSVCRT.@)
 605  */
 606 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
 607 {
 608     return MSVCRT_vsnprintf(str, num, format, valist);
 609 }
 610
 611 /*********************************************************************
 612  *              _vscprintf (MSVCRT.@)
 613  */
 614 int CDECL MSVCRT__vscprintf( const char *format, __ms_va_list valist )
 615 {
 616     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
 617 }
 618
 619 /*********************************************************************
 620  *              _snprintf (MSVCRT.@)
 621  */
 622 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 623 {
 624     int retval;
 625     __ms_va_list valist;
 626     __ms_va_start(valist, format);
 627     retval = MSVCRT_vsnprintf(str, len, format, valist);
 628     __ms_va_end(valist);
 629     return retval;
 630 }
 631
 632 /*********************************************************************
 633  *              _snprintf_s (MSVCRT.@)
 634  */
 635 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
 636     const char *format, ...)
 637 {
 638     int retval;
 639     __ms_va_list valist;
 640     __ms_va_start(valist, format);
 641     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
 642     __ms_va_end(valist);
 643     return retval;
 644 }
 645
 646 /*********************************************************************
 647  *              _scprintf (MSVCRT.@)
 648  */
 649 int CDECL MSVCRT__scprintf(const char *format, ...)
 650 {
 651     int retval;
 652     __ms_va_list valist;
 653     __ms_va_start(valist, format);
 654     retval = MSVCRT__vscprintf(format, valist);
 655     __ms_va_end(valist);
 656     return retval;
 657 }
 658
 659 /*********************************************************************
 660  *              _vsnwprintf (MSVCRT.@)
 661  */
 662 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 663         const MSVCRT_wchar_t *format, __ms_va_list valist)
 664 {
 665     static const MSVCRT_wchar_t nullbyte = '\0';
 666     struct _str_ctx_w ctx = {len, str};
 667     int ret;
 668
 669     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, NULL, FALSE, FALSE,
 670             arg_clbk_valist, NULL, &valist);
 671     puts_clbk_str_w(&ctx, 1, &nullbyte);
 672     return ret;
 673 }
 674
 675 /*********************************************************************
 676  *              _vsnwprintf_l (MSVCRT.@)
 677  */
 678 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
 679         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
 680         __ms_va_list valist)
 681 {
 682     static const MSVCRT_wchar_t nullbyte = '\0';
 683     struct _str_ctx_w ctx = {len, str};
 684     int ret;
 685
 686     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, FALSE,
 687             arg_clbk_valist, NULL, &valist);
 688     puts_clbk_str_w(&ctx, 1, &nullbyte);
 689     return ret;
 690 }
 691
 692 /*********************************************************************
 693  *              _vswprintf_p_l (MSVCRT.@)
 694  */
 695 int CDECL MSVCRT_vswprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 696         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args)
 697 {
 698     static const MSVCRT_wchar_t nullbyte = '\0';
 699     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 700     struct _str_ctx_w puts_ctx = {length, buffer};
 701     int ret;
 702
 703     memset(args_ctx, 0, sizeof(args_ctx));
 704
 705     ret = create_positional_ctx_w(args_ctx, format, args);
 706     if(ret < 0)  {
 707         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 708         *MSVCRT__errno() = MSVCRT_EINVAL;
 709         return ret;
 710     } else if(ret == 0)
 711         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, FALSE, TRUE,
 712                 arg_clbk_valist, NULL, &args);
 713     else
 714         ret = pf_printf_w(puts_clbk_str_w, &puts_ctx, format, locale, TRUE, TRUE,
 715                 arg_clbk_positional, args_ctx, NULL);
 716
 717     puts_clbk_str_w(&puts_ctx, 1, &nullbyte);
 718     return ret;
 719 }
 720
 721 /*********************************************************************
 722  *              _vsnwprintf_s_l (MSVCRT.@)
 723  */
 724 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 725         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
 726         MSVCRT__locale_t locale, __ms_va_list valist)
 727 {
 728     static const MSVCRT_wchar_t nullbyte = '\0';
 729     struct _str_ctx_w ctx;
 730     int len, ret;
 731
 732     len = sizeOfBuffer;
 733     if(count!=-1 && len>count+1)
 734         len = count+1;
 735
 736     ctx.len = len;
 737     ctx.buf = str;
 738     ret = pf_printf_w(puts_clbk_str_w, &ctx, format, locale, FALSE, TRUE,
 739             arg_clbk_valist, NULL, &valist);
 740     puts_clbk_str_w(&ctx, 1, &nullbyte);
 741
 742     if(ret<0 || ret==len) {
 743         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
 744             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small", MSVCRT_ERANGE);
 745             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
 746         } else
 747             str[len-1] = '\0';
 748
 749         return -1;
 750     }
 751
 752     return ret;
 753 }
 754
 755 /*********************************************************************
 756  *              _vsnwprintf_s (MSVCRT.@)
 757  */
 758 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
 759         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
 760 {
 761     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
 762             format, NULL, valist);
 763 }
 764
 765 /*********************************************************************
 766  *              _snwprintf (MSVCRT.@)
 767  */
 768 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 769 {
 770     int retval;
 771     __ms_va_list valist;
 772     __ms_va_start(valist, format);
 773     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 774     __ms_va_end(valist);
 775     return retval;
 776 }
 777
 778 /*********************************************************************
 779  *              _snwprintf_l (MSVCRT.@)
 780  */
 781 int CDECL MSVCRT__snwprintf_l( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format,
 782         MSVCRT__locale_t locale, ...)
 783 {
 784     int retval;
 785     __ms_va_list valist;
 786     __ms_va_start(valist, locale);
 787     retval = MSVCRT_vsnwprintf_l(str, len, format, locale, valist);
 788     __ms_va_end(valist);
 789     return retval;
 790 }
 791
 792 /*********************************************************************
 793  *              _snwprintf_s (MSVCRT.@)
 794  */
 795 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
 796     const MSVCRT_wchar_t *format, ...)
 797 {
 798     int retval;
 799     __ms_va_list valist;
 800     __ms_va_start(valist, format);
 801     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
 802     __ms_va_end(valist);
 803     return retval;
 804 }
 805
 806 /*********************************************************************
 807  *              sprintf (MSVCRT.@)
 808  */
 809 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 810 {
 811     __ms_va_list ap;
 812     int r;
 813
 814     __ms_va_start( ap, format );
 815     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 816     __ms_va_end( ap );
 817     return r;
 818 }
 819
 820 /*********************************************************************
 821  *              sprintf_s (MSVCRT.@)
 822  */
 823 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
 824 {
 825     __ms_va_list ap;
 826     int r;
 827
 828     __ms_va_start( ap, format );
 829     r = MSVCRT_vsnprintf( str, num, format, ap );
 830     __ms_va_end( ap );
 831     return r;
 832 }
 833
 834 /*********************************************************************
 835  *              _scwprintf (MSVCRT.@)
 836  */
 837 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
 838 {
 839     __ms_va_list ap;
 840     int r;
 841
 842     __ms_va_start( ap, format );
 843     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
 844     __ms_va_end( ap );
 845     return r;
 846 }
 847
 848 /*********************************************************************
 849  *              swprintf (MSVCRT.@)
 850  */
 851 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 852 {
 853     __ms_va_list ap;
 854     int r;
 855
 856     __ms_va_start( ap, format );
 857     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 858     __ms_va_end( ap );
 859     return r;
 860 }
 861
 862 /*********************************************************************
 863  *              swprintf_s (MSVCRT.@)
 864  */
 865 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
 866         const MSVCRT_wchar_t *format, ... )
 867 {
 868     __ms_va_list ap;
 869     int r;
 870
 871     __ms_va_start(ap, format);
 872     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
 873     __ms_va_end(ap);
 874
 875     return r;
 876 }
 877
 878 /*********************************************************************
 879  *              _vswprintf (MSVCRT.@)
 880  */
 881 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
 882 {
 883     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 884 }
 885
 886 /*********************************************************************
 887  *              _vswprintf (MSVCRT.@)
 888  */
 889 int CDECL MSVCRT_vswprintf_l( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format,
 890         MSVCRT__locale_t locale, __ms_va_list args )
 891 {
 892     return MSVCRT_vsnwprintf_l( str, INT_MAX, format, locale, args );
 893 }
 894
 895 /*********************************************************************
 896  *              _vscwprintf (MSVCRT.@)
 897  */
 898 int CDECL MSVCRT__vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
 899 {
 900     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
 901 }
 902
 903 /*********************************************************************
 904  *              _vscwprintf_l (MSVCRT.@)
 905  */
 906 int CDECL MSVCRT__vscwprintf_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
 907 {
 908     return MSVCRT_vsnwprintf_l( NULL, INT_MAX, format, locale, args );
 909 }
 910
 911 /*********************************************************************
 912  *              _vscwprintf_p_l (MSVCRT.@)
 913  */
 914 int CDECL MSVCRT__vscwprintf_p_l( const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list args )
 915 {
 916     return MSVCRT_vswprintf_p_l( NULL, INT_MAX, format, locale, args );
 917 }
 918
 919 /*********************************************************************
 920  *              vswprintf_s (MSVCRT.@)
 921  */
 922 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 923         const MSVCRT_wchar_t* format, __ms_va_list args)
 924 {
 925     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
 926 }
 927
 928 /*********************************************************************
 929  *              _vswprintf_s_l (MSVCRT.@)
 930  */
 931 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
 932         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
 933 {
 934     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
 935             format, locale, args );
 936 }
 937
 938 /*********************************************************************
 939  *              _vsprintf_p_l (MSVCRT.@)
 940  */
 941 int CDECL MSVCRT_vsprintf_p_l(char *buffer, MSVCRT_size_t length, const char *format,
 942         MSVCRT__locale_t locale, __ms_va_list args)
 943 {
 944     static const char nullbyte = '\0';
 945     printf_arg args_ctx[MSVCRT__ARGMAX+1];
 946     struct _str_ctx_a puts_ctx = {length, buffer};
 947     int ret;
 948
 949     memset(args_ctx, 0, sizeof(args_ctx));
 950
 951     ret = create_positional_ctx_a(args_ctx, format, args);
 952     if(ret < 0) {
 953         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 954         *MSVCRT__errno() = MSVCRT_EINVAL;
 955         return ret;
 956     } else if(ret == 0)
 957         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, FALSE, TRUE,
 958                 arg_clbk_valist, NULL, &args);
 959     else
 960         ret = pf_printf_a(puts_clbk_str_a, &puts_ctx, format, locale, TRUE, TRUE,
 961                 arg_clbk_positional, args_ctx, NULL);
 962
 963     puts_clbk_str_a(&puts_ctx, 1, &nullbyte);
 964     return ret;
 965 }
 966
 967 /*********************************************************************
 968  *              _vsprintf_p (MSVCRT.@)
 969  */
 970 int CDECL MSVCRT_vsprintf_p(char *buffer, MSVCRT_size_t length,
 971         const char *format, __ms_va_list args)
 972 {
 973     return MSVCRT_vsprintf_p_l(buffer, length, format, NULL, args);
 974 }
 975
 976 /*********************************************************************
 977  *              _sprintf_p_l (MSVCRT.@)
 978  */
 979 int CDECL MSVCRT_sprintf_p_l(char *buffer, MSVCRT_size_t length,
 980         const char *format, MSVCRT__locale_t locale, ...)
 981 {
 982     __ms_va_list valist;
 983     int r;
 984
 985     __ms_va_start(valist, locale);
 986     r = MSVCRT_vsprintf_p_l(buffer, length, format, locale, valist);
 987     __ms_va_end(valist);
 988
 989     return r;
 990 }
 991
 992 /*********************************************************************
 993  *              _swprintf_p_l (MSVCRT.@)
 994  */
 995 int CDECL MSVCRT_swprintf_p_l(MSVCRT_wchar_t *buffer, MSVCRT_size_t length,
 996         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
 997 {
 998     __ms_va_list valist;
 999     int r;
1000
1001     __ms_va_start(valist, locale);
1002     r = MSVCRT_vswprintf_p_l(buffer, length, format, locale, valist);
1003     __ms_va_end(valist);
1004
1005     return r;
1006 }
1007
1008 /*********************************************************************
1009  *              wcscoll (MSVCRT.@)
1010  */
1011 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1012 {
1013     return CompareStringW(get_locinfo()->lc_handle[MSVCRT_LC_COLLATE],
1014             0, str1, -1, str2, -1)-CSTR_EQUAL;
1015 }
1016
1017 /*********************************************************************
1018  *              wcspbrk (MSVCRT.@)
1019  */
1020 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1021 {
1022     const MSVCRT_wchar_t* p;
1023
1024     while (*str)
1025     {
1026         for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1027         str++;
1028     }
1029     return NULL;
1030 }
1031
1032 /*********************************************************************
1033  *              wcstok_s  (MSVCRT.@)
1034  */
1035 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
1036                                  MSVCRT_wchar_t **next_token )
1037 {
1038     MSVCRT_wchar_t *ret;
1039
1040     if (!MSVCRT_CHECK_PMT(delim != NULL)) return NULL;
1041     if (!MSVCRT_CHECK_PMT(next_token != NULL)) return NULL;
1042     if (!MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL)) return NULL;
1043
1044     if (!str) str = *next_token;
1045
1046     while (*str && strchrW( delim, *str )) str++;
1047     if (!*str) return NULL;
1048     ret = str++;
1049     while (*str && !strchrW( delim, *str )) str++;
1050     if (*str) *str++ = 0;
1051     *next_token = str;
1052     return ret;
1053 }
1054
1055 /*********************************************************************
1056  *              wcstok  (MSVCRT.@)
1057  */
1058 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1059 {
1060     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1061 }
1062
1063 /*********************************************************************
1064  *              wctob (MSVCRT.@)
1065  */
1066 INT CDECL MSVCRT_wctob( MSVCRT_wint_t wchar )
1067 {
1068     char out;
1069     BOOL error;
1070     UINT codepage = get_locinfo()->lc_codepage;
1071
1072     if(!codepage) {
1073         if (wchar < 0xff)
1074             return (signed char)wchar;
1075         else
1076             return MSVCRT_EOF;
1077     } else if(WideCharToMultiByte( codepage, 0, &wchar, 1, &out, 1, NULL, &error ) && !error)
1078         return (INT)out;
1079     return MSVCRT_EOF;
1080 }
1081
1082 /*********************************************************************
1083  *              wctomb (MSVCRT.@)
1084  */
1085 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1086 {
1087     BOOL error;
1088     INT size;
1089
1090     size = WideCharToMultiByte(get_locinfo()->lc_codepage, 0, &ch, 1, dst, dst ? 6 : 0, NULL, &error);
1091     if(!size || error) {
1092         *MSVCRT__errno() = MSVCRT_EINVAL;
1093         return MSVCRT_EOF;
1094     }
1095     return size;
1096 }
1097
1098 /*********************************************************************
1099  *              wcrtomb (MSVCRT.@)
1100  */
1101 MSVCRT_size_t CDECL MSVCRT_wcrtomb( char *dst, MSVCRT_wchar_t ch, MSVCRT_mbstate_t *s)
1102 {
1103     if(s)
1104         *s = 0;
1105     return MSVCRT_wctomb(dst, ch);
1106 }
1107
1108 /*********************************************************************
1109  *              iswalnum (MSVCRT.@)
1110  */
1111 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1112 {
1113     return isalnumW( wc );
1114 }
1115
1116 /*********************************************************************
1117  *              iswalpha (MSVCRT.@)
1118  */
1119 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1120 {
1121     return isalphaW( wc );
1122 }
1123
1124 /*********************************************************************
1125  *              iswalpha_l (MSVCRT.@)
1126  */
1127 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1128 {
1129     return isalphaW( wc );
1130 }
1131
1132 /*********************************************************************
1133  *              iswcntrl (MSVCRT.@)
1134  */
1135 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1136 {
1137     return iscntrlW( wc );
1138 }
1139
1140 /*********************************************************************
1141  *              iswdigit (MSVCRT.@)
1142  */
1143 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1144 {
1145     return isdigitW( wc );
1146 }
1147
1148 /*********************************************************************
1149  *              _iswdigit_l (MSVCRT.@)
1150  */
1151 INT CDECL MSVCRT__iswdigit_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1152 {
1153     return isdigitW( wc );
1154 }
1155
1156 /*********************************************************************
1157  *              iswgraph (MSVCRT.@)
1158  */
1159 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1160 {
1161     return isgraphW( wc );
1162 }
1163
1164 /*********************************************************************
1165  *              iswlower (MSVCRT.@)
1166  */
1167 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1168 {
1169     return islowerW( wc );
1170 }
1171
1172 /*********************************************************************
1173  *              iswprint (MSVCRT.@)
1174  */
1175 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1176 {
1177     return isprintW( wc );
1178 }
1179
1180 /*********************************************************************
1181  *              iswpunct (MSVCRT.@)
1182  */
1183 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1184 {
1185     return ispunctW( wc );
1186 }
1187
1188 /*********************************************************************
1189  *              iswspace (MSVCRT.@)
1190  */
1191 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1192 {
1193     return isspaceW( wc );
1194 }
1195
1196 /*********************************************************************
1197  *              iswupper (MSVCRT.@)
1198  */
1199 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1200 {
1201     return isupperW( wc );
1202 }
1203
1204 /*********************************************************************
1205  *              iswxdigit (MSVCRT.@)
1206  */
1207 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1208 {
1209     return isxdigitW( wc );
1210 }
1211
1212 /*********************************************************************
1213  *              wcscpy_s (MSVCRT.@)
1214  */
1215 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1216 {
1217     MSVCRT_size_t size = 0;
1218
1219     if(!wcDest || !numElement)
1220         return MSVCRT_EINVAL;
1221
1222     wcDest[0] = 0;
1223
1224     if(!wcSrc)
1225     {
1226         return MSVCRT_EINVAL;
1227     }
1228
1229     size = strlenW(wcSrc) + 1;
1230
1231     if(size > numElement)
1232     {
1233         return MSVCRT_ERANGE;
1234     }
1235
1236     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1237
1238     return 0;
1239 }
1240
1241 /******************************************************************
1242  *              wcsncpy_s (MSVCRT.@)
1243  */
1244 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1245                             MSVCRT_size_t count )
1246 {
1247     WCHAR *p = wcDest;
1248     BOOL truncate = (count == MSVCRT__TRUNCATE);
1249
1250     if(!wcDest && !numElement && !count)
1251         return 0;
1252
1253     if (!wcDest || !numElement)
1254         return MSVCRT_EINVAL;
1255
1256     if (!wcSrc)
1257     {
1258         *wcDest = 0;
1259         return count ? MSVCRT_EINVAL : 0;
1260     }
1261
1262     while (numElement && count && *wcSrc)
1263     {
1264         *p++ = *wcSrc++;
1265         numElement--;
1266         count--;
1267     }
1268     if (!numElement && truncate)
1269     {
1270         *(p-1) = 0;
1271         return MSVCRT_STRUNCATE;
1272     }
1273     else if (!numElement)
1274     {
1275         *wcDest = 0;
1276         return MSVCRT_ERANGE;
1277     }
1278
1279     *p = 0;
1280     return 0;
1281 }
1282
1283 /******************************************************************
1284  *              wcscat_s (MSVCRT.@)
1285  *
1286  */
1287 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1288 {
1289     MSVCRT_wchar_t* ptr = dst;
1290
1291     if (!dst || elem == 0) return MSVCRT_EINVAL;
1292     if (!src)
1293     {
1294         dst[0] = '\0';
1295         return MSVCRT_EINVAL;
1296     }
1297
1298     /* seek to end of dst string (or elem if no end of string is found */
1299     while (ptr < dst + elem && *ptr != '\0') ptr++;
1300     while (ptr < dst + elem)
1301     {
1302         if ((*ptr++ = *src++) == '\0') return 0;
1303     }
1304     /* not enough space */
1305     dst[0] = '\0';
1306     return MSVCRT_ERANGE;
1307 }
1308
1309 /*********************************************************************
1310  *  wcsncat_s (MSVCRT.@)
1311  *
1312  */
1313 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1314         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1315 {
1316     MSVCRT_size_t srclen;
1317     MSVCRT_wchar_t dststart;
1318     INT ret = 0;
1319
1320     if (!MSVCRT_CHECK_PMT(dst != NULL)) return MSVCRT_EINVAL;
1321     if (!MSVCRT_CHECK_PMT(elem > 0)) return MSVCRT_EINVAL;
1322     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0)) return MSVCRT_EINVAL;
1323
1324     if (count == 0)
1325         return 0;
1326
1327     for (dststart = 0; dststart < elem; dststart++)
1328     {
1329         if (dst[dststart] == '\0')
1330             break;
1331     }
1332     if (dststart == elem)
1333     {
1334         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n", MSVCRT_EINVAL);
1335         return MSVCRT_EINVAL;
1336     }
1337
1338     if (count == MSVCRT__TRUNCATE)
1339     {
1340         srclen = strlenW(src);
1341         if (srclen >= (elem - dststart))
1342         {
1343             srclen = elem - dststart - 1;
1344             ret = MSVCRT_STRUNCATE;
1345         }
1346     }
1347     else
1348         srclen = min(strlenW(src), count);
1349     if (srclen < (elem - dststart))
1350     {
1351         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1352         dst[dststart+srclen] = '\0';
1353         return ret;
1354     }
1355     MSVCRT_INVALID_PMT("dst[elem] is too small", MSVCRT_ERANGE);
1356     dst[0] = '\0';
1357     return MSVCRT_ERANGE;
1358 }
1359
1360 /*********************************************************************
1361  *  _wcstoi64_l (MSVCRT.@)
1362  *
1363  * FIXME: locale parameter is ignored
1364  */
1365 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1366         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1367 {
1368     BOOL negative = FALSE;
1369     __int64 ret = 0;
1370
1371     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1372
1373     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1374     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1375     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1376
1377     while(isspaceW(*nptr)) nptr++;
1378
1379     if(*nptr == '-') {
1380         negative = TRUE;
1381         nptr++;
1382     } else if(*nptr == '+')
1383         nptr++;
1384
1385     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1386         base = 16;
1387         nptr += 2;
1388     }
1389
1390     if(base == 0) {
1391         if(*nptr=='0')
1392             base = 8;
1393         else
1394             base = 10;
1395     }
1396
1397     while(*nptr) {
1398         char cur = tolowerW(*nptr);
1399         int v;
1400
1401         if(isdigitW(cur)) {
1402             if(cur >= '0'+base)
1403                 break;
1404             v = cur-'0';
1405         } else {
1406             if(cur<'a' || cur>='a'+base-10)
1407                 break;
1408             v = cur-'a'+10;
1409         }
1410
1411         if(negative)
1412             v = -v;
1413
1414         nptr++;
1415
1416         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1417             ret = MSVCRT_I64_MAX;
1418             *MSVCRT__errno() = MSVCRT_ERANGE;
1419         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1420             ret = MSVCRT_I64_MIN;
1421             *MSVCRT__errno() = MSVCRT_ERANGE;
1422         } else
1423             ret = ret*base + v;
1424     }
1425
1426     if(endptr)
1427         *endptr = (MSVCRT_wchar_t*)nptr;
1428
1429     return ret;
1430 }
1431
1432 /*********************************************************************
1433  *  _wcstoi64 (MSVCRT.@)
1434  */
1435 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1436         MSVCRT_wchar_t **endptr, int base)
1437 {
1438     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1439 }
1440
1441 /*********************************************************************
1442  *  _wtoi_l (MSVCRT.@)
1443  */
1444 int MSVCRT__wtoi_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
1445 {
1446     __int64 ret = MSVCRT__wcstoi64_l(str, NULL, 10, locale);
1447
1448     if(ret > INT_MAX) {
1449         ret = INT_MAX;
1450         *MSVCRT__errno() = MSVCRT_ERANGE;
1451     } else if(ret < INT_MIN) {
1452         ret = INT_MIN;
1453         *MSVCRT__errno() = MSVCRT_ERANGE;
1454     }
1455     return ret;
1456 }
1457
1458 /*********************************************************************
1459  *  _wcstoui64_l (MSVCRT.@)
1460  *
1461  * FIXME: locale parameter is ignored
1462  */
1463 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1464         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1465 {
1466     BOOL negative = FALSE;
1467     unsigned __int64 ret = 0;
1468
1469     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1470
1471     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1472     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1473     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1474
1475     while(isspaceW(*nptr)) nptr++;
1476
1477     if(*nptr == '-') {
1478         negative = TRUE;
1479         nptr++;
1480     } else if(*nptr == '+')
1481         nptr++;
1482
1483     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1484         base = 16;
1485         nptr += 2;
1486     }
1487
1488     if(base == 0) {
1489         if(*nptr=='0')
1490             base = 8;
1491         else
1492             base = 10;
1493     }
1494
1495     while(*nptr) {
1496         char cur = tolowerW(*nptr);
1497         int v;
1498
1499         if(isdigit(cur)) {
1500             if(cur >= '0'+base)
1501                 break;
1502             v = *nptr-'0';
1503         } else {
1504             if(cur<'a' || cur>='a'+base-10)
1505                 break;
1506             v = cur-'a'+10;
1507         }
1508
1509         nptr++;
1510
1511         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1512             ret = MSVCRT_UI64_MAX;
1513             *MSVCRT__errno() = MSVCRT_ERANGE;
1514         } else
1515             ret = ret*base + v;
1516     }
1517
1518     if(endptr)
1519         *endptr = (MSVCRT_wchar_t*)nptr;
1520
1521     return negative ? -ret : ret;
1522 }
1523
1524 /*********************************************************************
1525  *  _wcstoui64 (MSVCRT.@)
1526  */
1527 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1528         MSVCRT_wchar_t **endptr, int base)
1529 {
1530     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1531 }
1532
1533 /******************************************************************
1534  *  wcsnlen (MSVCRT.@)
1535  */
1536 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1537 {
1538     MSVCRT_size_t i;
1539
1540     for (i = 0; i < maxlen; i++)
1541         if (!s[i]) break;
1542     return i;
1543 }
1544
1545 /*********************************************************************
1546  *              _towupper_l (MSVCRT.@)
1547  */
1548 int CDECL MSVCRT__towupper_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1549 {
1550     return toupperW(c);
1551 }
1552
1553 /*********************************************************************
1554  *              _towlower_l (MSVCRT.@)
1555  */
1556 int CDECL MSVCRT__towlower_l(MSVCRT_wint_t c, MSVCRT__locale_t locale)
1557 {
1558     return tolowerW(c);
1559 }