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 "wine/unicode.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  34
  35
  36 /*********************************************************************
  37  *              _wcsdup (MSVCRT.@)
  38  */
  39 MSVCRT_wchar_t* CDECL _wcsdup( const MSVCRT_wchar_t* str )
  40 {
  41   MSVCRT_wchar_t* ret = NULL;
  42   if (str)
  43   {
  44     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  45     ret = MSVCRT_malloc( size );
  46     if (ret) memcpy( ret, str, size );
  47   }
  48   return ret;
  49 }
  50
  51 /*********************************************************************
  52  *              _wcsicoll (MSVCRT.@)
  53  */
  54 INT CDECL _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  55 {
  56   /* FIXME: handle collates */
  57   return strcmpiW( str1, str2 );
  58 }
  59
  60 /*********************************************************************
  61  *              _wcsnset (MSVCRT.@)
  62  */
  63 MSVCRT_wchar_t* CDECL MSVCRT__wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  64 {
  65   MSVCRT_wchar_t* ret = str;
  66   while ((n-- > 0) && *str) *str++ = c;
  67   return ret;
  68 }
  69
  70 /*********************************************************************
  71  *              _wcsrev (MSVCRT.@)
  72  */
  73 MSVCRT_wchar_t* CDECL _wcsrev( MSVCRT_wchar_t* str )
  74 {
  75   MSVCRT_wchar_t* ret = str;
  76   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
  77   while (end > str)
  78   {
  79     MSVCRT_wchar_t t = *end;
  80     *end--  = *str;
  81     *str++  = t;
  82   }
  83   return ret;
  84 }
  85
  86 /*********************************************************************
  87  *              _wcsset (MSVCRT.@)
  88  */
  89 MSVCRT_wchar_t* CDECL _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
  90 {
  91   MSVCRT_wchar_t* ret = str;
  92   while (*str) *str++ = c;
  93   return ret;
  94 }
  95
  96 /******************************************************************
  97  *              _wcsupr_s (MSVCRT.@)
  98  *
  99  */
 100 INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 101 {
 102   MSVCRT_wchar_t* ptr = str;
 103
 104   if (!str || !n)
 105   {
 106     if (str) *str = '\0';
 107     *MSVCRT__errno() = MSVCRT_EINVAL;
 108     return MSVCRT_EINVAL;
 109   }
 110
 111   while (n--)
 112   {
 113     if (!*ptr) return 0;
 114     *ptr = toupperW(*ptr);
 115     ptr++;
 116   }
 117
 118   /* MSDN claims that the function should return and set errno to
 119    * ERANGE, which doesn't seem to be true based on the tests. */
 120   *str = '\0';
 121   *MSVCRT__errno() = MSVCRT_EINVAL;
 122   return MSVCRT_EINVAL;
 123 }
 124
 125 /*********************************************************************
 126  * _wcstod_l - not exported in native msvcrt
 127  */
 128 double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
 129         MSVCRT__locale_t locale)
 130 {
 131     unsigned __int64 d=0, hlp;
 132     unsigned fpcontrol;
 133     int exp=0, sign=1;
 134     const MSVCRT_wchar_t *p;
 135     double ret;
 136
 137     if(!str) {
 138         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 139         *MSVCRT__errno() = MSVCRT_EINVAL;
 140         return 0;
 141     }
 142
 143     if(!locale)
 144         locale = get_locale();
 145
 146     p = str;
 147     while(isspaceW(*p))
 148         p++;
 149
 150     if(*p == '-') {
 151         sign = -1;
 152         p++;
 153     } else  if(*p == '+')
 154         p++;
 155
 156     while(isdigitW(*p)) {
 157         hlp = d*10+*(p++)-'0';
 158         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 159             exp++;
 160             break;
 161         } else
 162             d = hlp;
 163     }
 164     while(isdigitW(*p)) {
 165         exp++;
 166         p++;
 167     }
 168     if(*p == *locale->locinfo->lconv->decimal_point)
 169         p++;
 170
 171     while(isdigitW(*p)) {
 172         hlp = d*10+*(p++)-'0';
 173         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 174             break;
 175
 176         d = hlp;
 177         exp--;
 178     }
 179     while(isdigitW(*p))
 180         p++;
 181
 182     if(p == str) {
 183         if(end)
 184             *end = (MSVCRT_wchar_t*)str;
 185         return 0.0;
 186     }
 187
 188     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 189         int e=0, s=1;
 190
 191         p++;
 192         if(*p == '-') {
 193             s = -1;
 194             p++;
 195         } else if(*p == '+')
 196             p++;
 197
 198         if(isdigitW(*p)) {
 199             while(isdigitW(*p)) {
 200                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 201                     e = INT_MAX;
 202                 p++;
 203             }
 204             e *= s;
 205
 206             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 207             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 208             else exp += e;
 209         } else {
 210             if(*p=='-' || *p=='+')
 211                 p--;
 212             p--;
 213         }
 214     }
 215
 216     fpcontrol = _control87(0, 0);
 217     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 218             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 219
 220     if(exp>0)
 221         ret = (double)sign*d*pow(10, exp);
 222     else
 223         ret = (double)sign*d/pow(10, -exp);
 224
 225     _control87(fpcontrol, 0xffffffff);
 226
 227     if((d && ret==0.0) || isinf(ret))
 228         *MSVCRT__errno() = MSVCRT_ERANGE;
 229
 230     if(end)
 231         *end = (MSVCRT_wchar_t*)p;
 232
 233     return ret;
 234 }
 235
 236 /*********************************************************************
 237  *              _wcstombs_l (MSVCRT.@)
 238  */
 239 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 240         MSVCRT_size_t count, MSVCRT__locale_t locale)
 241 {
 242     char default_char = '\0';
 243     MSVCRT_size_t tmp;
 244     BOOL used_default;
 245
 246     if(!locale)
 247         locale = get_locale();
 248
 249     /* FIXME: Use wcslen here */
 250     tmp = strlenW(wcstr);
 251     if(tmp>count && mbstr)
 252         tmp = count;
 253
 254     tmp = WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 255             wcstr, tmp, mbstr, count, &default_char, &used_default);
 256
 257     if(used_default)
 258         return -1;
 259
 260     if(tmp<count && mbstr)
 261         mbstr[tmp] = '\0';
 262
 263     return tmp;
 264 }
 265
 266 /*********************************************************************
 267  *              wcstombs (MSVCRT.@)
 268  */
 269 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 270         MSVCRT_size_t count)
 271 {
 272     return MSVCRT__wcstombs_l(mbstr, wcstr, count, NULL);
 273 }
 274
 275 /*********************************************************************
 276  *              _wcstombs_s_l (MSVCRT.@)
 277  */
 278 MSVCRT_size_t CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 279         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 280         MSVCRT_size_t count, MSVCRT__locale_t locale)
 281 {
 282     MSVCRT_size_t conv;
 283
 284     if(!mbstr && !size) {
 285         conv = MSVCRT__wcstombs_l(NULL, wcstr, 0, locale);
 286         if(ret)
 287             *ret = conv;
 288         return 0;
 289     }
 290
 291     if(!wcstr || !mbstr) {
 292         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 293         if(mbstr && size)
 294             mbstr[0] = '\0';
 295         *MSVCRT__errno() = MSVCRT_EINVAL;
 296         return MSVCRT_EINVAL;
 297     }
 298
 299     if(count==_TRUNCATE || size<count)
 300         conv = size;
 301     else
 302         conv = count;
 303
 304     conv = MSVCRT__wcstombs_l(mbstr, wcstr, conv, locale);
 305     if(conv<size)
 306         mbstr[conv++] = '\0';
 307     else if(conv==size && (count==_TRUNCATE || mbstr[conv-1]=='\0'))
 308         mbstr[conv-1] = '\0';
 309     else {
 310         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 311         if(size)
 312             mbstr[0] = '\0';
 313         *MSVCRT__errno() = MSVCRT_ERANGE;
 314         return MSVCRT_ERANGE;
 315     }
 316
 317     if(ret)
 318         *ret = conv;
 319     return 0;
 320 }
 321
 322 /*********************************************************************
 323  *              wcstombs_s (MSVCRT.@)
 324  */
 325 MSVCRT_size_t CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 326         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 327 {
 328     return MSVCRT__wcstombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 329 }
 330
 331 /*********************************************************************
 332  *              wcstod (MSVCRT.@)
 333  */
 334 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 335 {
 336     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 337 }
 338
 339 /*********************************************************************
 340  *              _wtof (MSVCRT.@)
 341  */
 342 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 343 {
 344     return MSVCRT__wcstod_l(str, NULL, NULL);
 345 }
 346
 347 /*********************************************************************
 348  *              _wtof_l (MSVCRT.@)
 349  */
 350 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 351 {
 352     return MSVCRT__wcstod_l(str, NULL, locale);
 353 }
 354
 355 typedef struct pf_output_t
 356 {
 357     int used;
 358     int len;
 359     BOOL unicode;
 360     union {
 361         LPWSTR W;
 362         LPSTR  A;
 363     } buf;
 364 } pf_output;
 365
 366 typedef struct pf_flags_t
 367 {
 368     char Sign, LeftAlign, Alternate, PadZero;
 369     int FieldLength, Precision;
 370     char IntegerLength, IntegerDouble;
 371     char WideString;
 372     char Format;
 373 } pf_flags;
 374
 375 /*
 376  * writes a string of characters to the output
 377  * returns -1 if the string doesn't fit in the output buffer
 378  * return the length of the string if all characters were written
 379  */
 380 static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
 381 {
 382     int space = out->len - out->used;
 383
 384     if( len < 0 )
 385         len = strlenW( str );
 386     if( out->unicode )
 387     {
 388         LPWSTR p = out->buf.W + out->used;
 389
 390         if( space >= len )
 391         {
 392             if (out->buf.W) memcpy( p, str, len*sizeof(WCHAR) );
 393             out->used += len;
 394             return len;
 395         }
 396         if( space > 0 && out->buf.W )
 397             memcpy( p, str, space*sizeof(WCHAR) );
 398         out->used += len;
 399     }
 400     else
 401     {
 402         int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
 403         LPSTR p = out->buf.A + out->used;
 404
 405         if( space >= n )
 406         {
 407             if (out->buf.A) WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
 408             out->used += n;
 409             return len;
 410         }
 411         if( space > 0 && out->buf.A )
 412             WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
 413         out->used += n;
 414     }
 415     return -1;
 416 }
 417
 418 static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
 419 {
 420     int space = out->len - out->used;
 421
 422     if( len < 0 )
 423         len = strlen( str );
 424     if( !out->unicode )
 425     {
 426         LPSTR p = out->buf.A + out->used;
 427
 428         if( space >= len )
 429         {
 430             if (out->buf.A) memcpy( p, str, len );
 431             out->used += len;
 432             return len;
 433         }
 434         if( space > 0 && out->buf.A )
 435             memcpy( p, str, space );
 436         out->used += len;
 437     }
 438     else
 439     {
 440         int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
 441         LPWSTR p = out->buf.W + out->used;
 442
 443         if( space >= n )
 444         {
 445             if (out->buf.W) MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
 446             out->used += n;
 447             return len;
 448         }
 449         if( space > 0 && out->buf.W )
 450             MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
 451         out->used += n;
 452     }
 453     return -1;
 454 }
 455
 456 /* pf_fill: takes care of signs, alignment, zero and field padding */
 457 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 458 {
 459     int i, r = 0;
 460
 461     if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 462         flags->Sign = 0;
 463
 464     if( left && flags->Sign )
 465     {
 466         flags->FieldLength--;
 467         if( flags->PadZero )
 468             r = pf_output_stringA( out, &flags->Sign, 1 );
 469     }
 470
 471     if( ( !left &&  flags->LeftAlign ) ||
 472         (  left && !flags->LeftAlign ))
 473     {
 474         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 475         {
 476             if( left && flags->PadZero )
 477                 r = pf_output_stringA( out, "0", 1 );
 478             else
 479                 r = pf_output_stringA( out, " ", 1 );
 480         }
 481     }
 482
 483     if( left && flags->Sign && !flags->PadZero )
 484         r = pf_output_stringA( out, &flags->Sign, 1 );
 485
 486     return r;
 487 }
 488
 489 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 490                                       int len, pf_flags *flags )
 491 {
 492     int r = 0;
 493
 494     if( len < 0 )
 495         len = strlenW( str );
 496
 497     if (flags->Precision >= 0 && flags->Precision < len)
 498         len = flags->Precision;
 499
 500     r = pf_fill( out, len, flags, 1 );
 501
 502     if( r>=0 )
 503         r = pf_output_stringW( out, str, len );
 504
 505     if( r>=0 )
 506         r = pf_fill( out, len, flags, 0 );
 507
 508     return r;
 509 }
 510
 511 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 512                                       int len, pf_flags *flags )
 513 {
 514     int r = 0;
 515
 516     if( len < 0 )
 517         len = strlen( str );
 518
 519     if (flags->Precision >= 0 && flags->Precision < len)
 520         len = flags->Precision;
 521
 522     r = pf_fill( out, len, flags, 1 );
 523
 524     if( r>=0 )
 525         r = pf_output_stringA( out, str, len );
 526
 527     if( r>=0 )
 528         r = pf_fill( out, len, flags, 0 );
 529
 530     return r;
 531 }
 532
 533 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 534                              pf_flags *flags, BOOL capital_letter)
 535 {
 536      if(str == NULL)  /* catch NULL pointer */
 537         return pf_output_format_A( out, "(null)", -1, flags);
 538
 539      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 540     if(flags->WideString || flags->IntegerLength == 'l')
 541         return pf_output_format_W( out, str, len, flags);
 542     if(flags->IntegerLength == 'h')
 543         return pf_output_format_A( out, str, len, flags);
 544
 545     /* %s,%c ->  chars in ansi functions & wchars in unicode
 546      * %S,%C -> wchars in ansi functions &  chars in unicode */
 547     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 548         return pf_output_format_A( out, str, len, flags);
 549     else
 550         return pf_output_format_W( out, str, len, flags);
 551 }
 552
 553 static inline BOOL pf_is_integer_format( char fmt )
 554 {
 555     static const char float_fmts[] = "diouxX";
 556     if (!fmt)
 557         return FALSE;
 558     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 559 }
 560
 561 static inline BOOL pf_is_double_format( char fmt )
 562 {
 563     static const char float_fmts[] = "aeEfgG";
 564     if (!fmt)
 565         return FALSE;
 566     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 567 }
 568
 569 static inline BOOL pf_is_valid_format( char fmt )
 570 {
 571     static const char float_fmts[] = "acCdeEfgGinouxX";
 572     if (!fmt)
 573         return FALSE;
 574     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 575 }
 576
 577 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 578 {
 579     *p++ = '%';
 580     if( flags->Sign )
 581         *p++ = flags->Sign;
 582     if( flags->LeftAlign )
 583         *p++ = flags->LeftAlign;
 584     if( flags->Alternate )
 585         *p++ = flags->Alternate;
 586     if( flags->PadZero )
 587         *p++ = flags->PadZero;
 588     if( flags->FieldLength )
 589     {
 590         sprintf(p, "%d", flags->FieldLength);
 591         p += strlen(p);
 592     }
 593     if( flags->Precision >= 0 )
 594     {
 595         sprintf(p, ".%d", flags->Precision);
 596         p += strlen(p);
 597     }
 598     *p++ = flags->Format;
 599     *p++ = 0;
 600 }
 601
 602 /* pf_integer_conv:  prints x to buf, including alternate formats and
 603    additional precision digits, but not field characters or the sign */
 604 static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
 605                              LONGLONG x )
 606 {
 607     unsigned int base;
 608     const char *digits;
 609
 610     int i, j, k;
 611     char number[40], *tmp = number;
 612
 613     if( buf_len > sizeof number )
 614         tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
 615
 616     base = 10;
 617     if( flags->Format == 'o' )
 618         base = 8;
 619     else if( flags->Format == 'x' || flags->Format == 'X' )
 620         base = 16;
 621
 622     if( flags->Format == 'X' )
 623         digits = "0123456789ABCDEFX";
 624     else
 625         digits = "0123456789abcdefx";
 626
 627     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 628     {
 629         x = -x;
 630         flags->Sign = '-';
 631     }
 632
 633     /* Do conversion (backwards) */
 634     i = 0;
 635     if( x == 0 && flags->Precision )
 636         tmp[i++] = '0';
 637     else
 638         while( x != 0 )
 639         {
 640             j = (ULONGLONG) x % base;
 641             x = (ULONGLONG) x / base;
 642             tmp[i++] = digits[j];
 643         }
 644     k = flags->Precision - i;
 645     while( k-- > 0 )
 646         tmp[i++] = '0';
 647     if( flags->Alternate )
 648     {
 649         if( base == 16 )
 650         {
 651             tmp[i++] = digits[16];
 652             tmp[i++] = '0';
 653         }
 654         else if( base == 8 && tmp[i-1] != '0' )
 655             tmp[i++] = '0';
 656     }
 657
 658     /* Reverse for buf */
 659     j = 0;
 660     while( i-- > 0 )
 661         buf[j++] = tmp[i];
 662     buf[j] = '\0';
 663
 664     /* Adjust precision so pf_fill won't truncate the number later */
 665     flags->Precision = strlen( buf );
 666
 667     if( tmp != number )
 668         HeapFree( GetProcessHeap(), 0, tmp );
 669
 670     return;
 671 }
 672
 673 /* pf_fixup_exponent: convert a string containing a 2 digit exponent
 674    to 3 digits, accounting for padding, in place. Needed to match
 675    the native printf's which always use 3 digits. */
 676 static void pf_fixup_exponent( char *buf )
 677 {
 678     char* tmp = buf;
 679
 680     while (tmp[0] && toupper(tmp[0]) != 'E')
 681         tmp++;
 682
 683     if (tmp[0] && (tmp[1] == '+' || tmp[1] == '-') &&
 684         isdigit(tmp[2]) && isdigit(tmp[3]))
 685     {
 686         char final;
 687
 688         if (isdigit(tmp[4]))
 689             return; /* Exponent already 3 digits */
 690
 691         /* We have a 2 digit exponent. Prepend '0' to make it 3 */
 692         tmp += 2;
 693         final = tmp[2];
 694         tmp[2] = tmp[1];
 695         tmp[1] = tmp[0];
 696         tmp[0] = '0';
 697         if (final == '\0')
 698         {
 699             /* We didn't expand into trailing space, so this string isn't left
 700              * justified. Terminate the string and strip a ' ' at the start of
 701              * the string if there is one (as there may be if the string is
 702              * right justified).
 703              */
 704             tmp[3] = '\0';
 705             if (buf[0] == ' ')
 706                 memmove(buf, buf + 1, (tmp - buf) + 3);
 707         }
 708         /* Otherwise, we expanded into trailing space -> nothing to do */
 709     }
 710 }
 711
 712 /*********************************************************************
 713  *  pf_vsnprintf  (INTERNAL)
 714  *
 715  *  implements both A and W vsnprintf functions
 716  */
 717 static int pf_vsnprintf( pf_output *out, const WCHAR *format,
 718         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 719 {
 720     int r;
 721     LPCWSTR q, p = format;
 722     pf_flags flags;
 723
 724     if(!locale)
 725         locale = get_locale();
 726
 727     TRACE("format is %s\n",debugstr_w(format));
 728     while (*p)
 729     {
 730         q = strchrW( p, '%' );
 731
 732         /* there's no % characters left, output the rest of the string */
 733         if( !q )
 734         {
 735             r = pf_output_stringW(out, p, -1);
 736             if( r<0 )
 737                 return r;
 738             p += r;
 739             continue;
 740         }
 741
 742         /* there's characters before the %, output them */
 743         if( q != p )
 744         {
 745             r = pf_output_stringW(out, p, q - p);
 746             if( r<0 )
 747                 return r;
 748             p = q;
 749         }
 750
 751         /* we must be at a % now, skip over it */
 752         assert( *p == '%' );
 753         p++;
 754
 755         /* output a single % character */
 756         if( *p == '%' )
 757         {
 758             r = pf_output_stringW(out, p++, 1);
 759             if( r<0 )
 760                 return r;
 761             continue;
 762         }
 763
 764         /* parse the flags */
 765         memset( &flags, 0, sizeof flags );
 766         while (*p)
 767         {
 768             if( *p == '+' || *p == ' ' )
 769             {
 770                 if ( flags.Sign != '+' )
 771                     flags.Sign = *p;
 772             }
 773             else if( *p == '-' )
 774                 flags.LeftAlign = *p;
 775             else if( *p == '0' )
 776                 flags.PadZero = *p;
 777             else if( *p == '#' )
 778                 flags.Alternate = *p;
 779             else
 780                 break;
 781             p++;
 782         }
 783
 784         /* deal with the field width specifier */
 785         flags.FieldLength = 0;
 786         if( *p == '*' )
 787         {
 788             flags.FieldLength = va_arg( valist, int );
 789             if (flags.FieldLength < 0)
 790             {
 791                 flags.LeftAlign = '-';
 792                 flags.FieldLength = -flags.FieldLength;
 793             }
 794             p++;
 795         }
 796         else while( isdigit(*p) )
 797         {
 798             flags.FieldLength *= 10;
 799             flags.FieldLength += *p++ - '0';
 800         }
 801
 802         /* deal with precision */
 803         flags.Precision = -1;
 804         if( *p == '.' )
 805         {
 806             flags.Precision = 0;
 807             p++;
 808             if( *p == '*' )
 809             {
 810                 flags.Precision = va_arg( valist, int );
 811                 p++;
 812             }
 813             else while( isdigit(*p) )
 814             {
 815                 flags.Precision *= 10;
 816                 flags.Precision += *p++ - '0';
 817             }
 818         }
 819
 820         /* deal with integer width modifier */
 821         while( *p )
 822         {
 823             if( *p == 'h' || *p == 'l' || *p == 'L' )
 824             {
 825                 flags.IntegerLength = *p;
 826                 p++;
 827             }
 828             else if( *p == 'I' )
 829             {
 830                 if( *(p+1) == '6' && *(p+2) == '4' )
 831                 {
 832                     flags.IntegerDouble++;
 833                     p += 3;
 834                 }
 835                 else if( *(p+1) == '3' && *(p+2) == '2' )
 836                     p += 3;
 837                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 838                     break;
 839                 else
 840                     p++;
 841             }
 842             else if( *p == 'w' )
 843                 flags.WideString = *p++;
 844             else if( *p == 'F' )
 845                 p++; /* ignore */
 846             else
 847                 break;
 848         }
 849
 850         flags.Format = *p;
 851         r = 0;
 852
 853         if (flags.Format == '$')
 854         {
 855             FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
 856             return -1;
 857         }
 858         /* output a string */
 859         if(  flags.Format == 's' || flags.Format == 'S' )
 860             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 861                                          &flags, (flags.Format == 'S') );
 862
 863         /* output a single character */
 864         else if( flags.Format == 'c' || flags.Format == 'C' )
 865         {
 866             INT ch = va_arg( valist, int );
 867
 868             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 869         }
 870
 871         /* output a pointer */
 872         else if( flags.Format == 'p' )
 873         {
 874             char pointer[32];
 875             void *ptr = va_arg( valist, void * );
 876
 877             flags.PadZero = 0;
 878             if( flags.Alternate )
 879                 sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 880             else
 881                 sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 882             r = pf_output_format_A( out, pointer, -1, &flags );
 883         }
 884
 885         /* deal with %n */
 886         else if( flags.Format == 'n' )
 887         {
 888             int *x = va_arg(valist, int *);
 889             *x = out->used;
 890         }
 891
 892         /* deal with 64-bit integers */
 893         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 894         {
 895             char number[40], *x = number;
 896
 897             /* Estimate largest possible required buffer size:
 898                * Chooses the larger of the field or precision
 899                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 900                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 901                  for a decimal, and 1 byte for an additional float digit. */
 902             int x_len = ((flags.FieldLength > flags.Precision) ?
 903                         flags.FieldLength : flags.Precision) + 10;
 904
 905             if( x_len >= sizeof number)
 906                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 907
 908             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
 909
 910             r = pf_output_format_A( out, x, -1, &flags );
 911             if( x != number )
 912                 HeapFree( GetProcessHeap(), 0, x );
 913         }
 914
 915         /* deal with integers and floats using libc's printf */
 916         else if( pf_is_valid_format( flags.Format ) )
 917         {
 918             char fmt[20], number[40], *x = number, *decimal_point;
 919
 920             /* Estimate largest possible required buffer size:
 921                * Chooses the larger of the field or precision
 922                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 923                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 924                  for a decimal, and 1 byte for an additional float digit. */
 925             int x_len = ((flags.FieldLength > flags.Precision) ?
 926                         flags.FieldLength : flags.Precision) + 10;
 927
 928             if( x_len >= sizeof number)
 929                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 930
 931             pf_rebuild_format_string( fmt, &flags );
 932
 933             if( pf_is_double_format( flags.Format ) )
 934             {
 935                 sprintf( x, fmt, va_arg(valist, double) );
 936                 if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
 937                     pf_fixup_exponent( x );
 938             }
 939             else
 940                 sprintf( x, fmt, va_arg(valist, int) );
 941
 942             decimal_point = strchr(x, '.');
 943             if(decimal_point)
 944                 *decimal_point = *locale->locinfo->lconv->decimal_point;
 945
 946             r = pf_output_stringA( out, x, -1 );
 947             if( x != number )
 948                 HeapFree( GetProcessHeap(), 0, x );
 949             if(r < 0)
 950                 return r;
 951         }
 952         else
 953         {
 954             if( valid )
 955             {
 956                 MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
 957                 *MSVCRT__errno() = MSVCRT_EINVAL;
 958                 return -1;
 959             }
 960
 961             continue;
 962         }
 963
 964         if( r<0 )
 965             return r;
 966         p++;
 967     }
 968
 969     /* check we reached the end, and null terminate the string */
 970     assert( *p == 0 );
 971     pf_output_stringW( out, p, 1 );
 972
 973     return out->used - 1;
 974 }
 975
 976 /*********************************************************************
 977  * vsnprintf_internal (INTERNAL)
 978  */
 979 static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
 980         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 981 {
 982     DWORD sz;
 983     LPWSTR formatW = NULL;
 984     pf_output out;
 985     int r;
 986
 987     out.unicode = FALSE;
 988     out.buf.A = str;
 989     out.used = 0;
 990     out.len = len;
 991
 992     sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
 993     formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
 994     MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
 995
 996     r = pf_vsnprintf( &out, formatW, locale, valid, valist );
 997
 998     HeapFree( GetProcessHeap(), 0, formatW );
 999
1000     return r;
1001 }
1002
1003 /*********************************************************************
1004  *              _vsnprintf (MSVCRT.@)
1005  */
1006 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
1007                             const char *format, __ms_va_list valist )
1008 {
1009     return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
1010 }
1011
1012 /*********************************************************************
1013 *               _vsnprintf_l (MSVCRT.@)
1014  */
1015 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
1016                             MSVCRT__locale_t locale, __ms_va_list valist )
1017 {
1018     return vsnprintf_internal(str, len, format, locale, FALSE, valist);
1019 }
1020
1021 /*********************************************************************
1022  *              _vsnprintf_s_l (MSVCRT.@)
1023  */
1024 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
1025         MSVCRT_size_t count, const char *format,
1026         MSVCRT__locale_t locale, __ms_va_list valist )
1027 {
1028     int len, ret;
1029
1030     if(sizeOfBuffer<count+1 || count==-1)
1031         len = sizeOfBuffer;
1032     else
1033         len = count+1;
1034
1035     ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
1036
1037     if(ret<0 || ret==len) {
1038         if(count!=_TRUNCATE && count>sizeOfBuffer) {
1039             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1040             *MSVCRT__errno() = MSVCRT_ERANGE;
1041             memset(str, 0, sizeOfBuffer);
1042         } else
1043             str[len-1] = '\0';
1044
1045         return -1;
1046     }
1047
1048     return ret;
1049 }
1050
1051 /*********************************************************************
1052  *              _vsnprintf_s (MSVCRT.@)
1053  */
1054 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
1055         MSVCRT_size_t count, const char *format, __ms_va_list valist )
1056 {
1057     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
1058 }
1059
1060 /*********************************************************************
1061  *              vsprintf (MSVCRT.@)
1062  */
1063 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
1064 {
1065     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
1066 }
1067
1068 /*********************************************************************
1069  *              vsprintf_s (MSVCRT.@)
1070  */
1071 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
1072 {
1073     return MSVCRT_vsnprintf(str, num, format, valist);
1074 }
1075
1076 /*********************************************************************
1077  *              _vscprintf (MSVCRT.@)
1078  */
1079 int CDECL _vscprintf( const char *format, __ms_va_list valist )
1080 {
1081     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
1082 }
1083
1084 /*********************************************************************
1085  *              _snprintf (MSVCRT.@)
1086  */
1087 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
1088 {
1089     int retval;
1090     __ms_va_list valist;
1091     __ms_va_start(valist, format);
1092     retval = MSVCRT_vsnprintf(str, len, format, valist);
1093     __ms_va_end(valist);
1094     return retval;
1095 }
1096
1097 /*********************************************************************
1098  * vsnwsprintf_internal (INTERNAL)
1099  */
1100 static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1101         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
1102         __ms_va_list valist)
1103 {
1104     pf_output out;
1105
1106     out.unicode = TRUE;
1107     out.buf.W = str;
1108     out.used = 0;
1109     out.len = len;
1110
1111     return pf_vsnprintf( &out, format, locale, valid, valist );
1112 }
1113
1114 /*********************************************************************
1115  *              _vsnwsprintf (MSVCRT.@)
1116  */
1117 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1118         const MSVCRT_wchar_t *format, __ms_va_list valist)
1119 {
1120     return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
1121 }
1122
1123 /*********************************************************************
1124  *              _vsnwsprintf_l (MSVCRT.@)
1125  */
1126 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1127         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
1128         __ms_va_list valist)
1129 {
1130         return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
1131 }
1132
1133 /*********************************************************************
1134  *              _vsnwsprintf_s_l (MSVCRT.@)
1135  */
1136 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1137         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
1138         MSVCRT__locale_t locale, __ms_va_list valist)
1139 {
1140     int len, ret;
1141
1142     len = sizeOfBuffer/sizeof(MSVCRT_wchar_t);
1143     if(count!=-1 && len>count+1)
1144         len = count+1;
1145
1146     ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
1147
1148     if(ret<0 || ret==len) {
1149         if(count!=_TRUNCATE && count>sizeOfBuffer/sizeof(MSVCRT_wchar_t)) {
1150             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1151             *MSVCRT__errno() = MSVCRT_ERANGE;
1152             memset(str, 0, sizeOfBuffer);
1153         } else
1154             str[len-1] = '\0';
1155
1156         return -1;
1157     }
1158
1159     return ret;
1160 }
1161
1162 /*********************************************************************
1163  *              _vsnwsprintf_s (MSVCRT.@)
1164  */
1165 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1166         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
1167 {
1168     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
1169             format, NULL, valist);
1170 }
1171
1172 /*********************************************************************
1173  *              _snwprintf (MSVCRT.@)
1174  */
1175 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
1176 {
1177     int retval;
1178     __ms_va_list valist;
1179     __ms_va_start(valist, format);
1180     retval = MSVCRT_vsnwprintf(str, len, format, valist);
1181     __ms_va_end(valist);
1182     return retval;
1183 }
1184
1185 /*********************************************************************
1186  *              sprintf (MSVCRT.@)
1187  */
1188 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
1189 {
1190     __ms_va_list ap;
1191     int r;
1192
1193     __ms_va_start( ap, format );
1194     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
1195     __ms_va_end( ap );
1196     return r;
1197 }
1198
1199 /*********************************************************************
1200  *              sprintf_s (MSVCRT.@)
1201  */
1202 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
1203 {
1204     __ms_va_list ap;
1205     int r;
1206
1207     __ms_va_start( ap, format );
1208     r = MSVCRT_vsnprintf( str, num, format, ap );
1209     __ms_va_end( ap );
1210     return r;
1211 }
1212
1213 /*********************************************************************
1214  *              swprintf (MSVCRT.@)
1215  */
1216 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
1217 {
1218     __ms_va_list ap;
1219     int r;
1220
1221     __ms_va_start( ap, format );
1222     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
1223     __ms_va_end( ap );
1224     return r;
1225 }
1226
1227 /*********************************************************************
1228  *              swprintf_s (MSVCRT.@)
1229  */
1230 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
1231         const MSVCRT_wchar_t *format, ... )
1232 {
1233     __ms_va_list ap;
1234     int r;
1235
1236     __ms_va_start(ap, format);
1237     r = MSVCRT_vsnwprintf_s(str, numberOfElements*sizeof(MSVCRT_wchar_t),
1238             INT_MAX, format, ap);
1239     __ms_va_end(ap);
1240
1241     return r;
1242 }
1243
1244 /*********************************************************************
1245  *              vswprintf (MSVCRT.@)
1246  */
1247 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1248 {
1249     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1250 }
1251
1252 /*********************************************************************
1253  *              _vscwprintf (MSVCRT.@)
1254  */
1255 int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1256 {
1257     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1258 }
1259
1260 /*********************************************************************
1261  *              vswprintf_s (MSVCRT.@)
1262  */
1263 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1264         const MSVCRT_wchar_t* format, __ms_va_list args)
1265 {
1266     return MSVCRT_vsnwprintf_s(str, numberOfElements*sizeof(MSVCRT_wchar_t),
1267             INT_MAX, format, args);
1268 }
1269
1270 /*********************************************************************
1271  *              _vswprintf_s_l (MSVCRT.@)
1272  */
1273 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1274         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1275 {
1276     return MSVCRT_vsnwprintf_s_l(str, numberOfElements*sizeof(MSVCRT_wchar_t),
1277             INT_MAX, format, locale, args );
1278 }
1279
1280 /*********************************************************************
1281  *              wcscoll (MSVCRT.@)
1282  */
1283 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1284 {
1285   /* FIXME: handle collates */
1286   return strcmpW( str1, str2 );
1287 }
1288
1289 /*********************************************************************
1290  *              wcspbrk (MSVCRT.@)
1291  */
1292 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1293 {
1294   const MSVCRT_wchar_t* p;
1295   while (*str)
1296   {
1297     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1298       str++;
1299   }
1300   return NULL;
1301 }
1302
1303 /*********************************************************************
1304  *              wcstok  (MSVCRT.@)
1305  */
1306 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1307 {
1308     thread_data_t *data = msvcrt_get_thread_data();
1309     MSVCRT_wchar_t *ret;
1310
1311     if (!str)
1312         if (!(str = data->wcstok_next)) return NULL;
1313
1314     while (*str && strchrW( delim, *str )) str++;
1315     if (!*str) return NULL;
1316     ret = str++;
1317     while (*str && !strchrW( delim, *str )) str++;
1318     if (*str) *str++ = 0;
1319     data->wcstok_next = str;
1320     return ret;
1321 }
1322
1323
1324 /*********************************************************************
1325  *              wctomb (MSVCRT.@)
1326  */
1327 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1328 {
1329   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
1330 }
1331
1332 /*********************************************************************
1333  *              iswalnum (MSVCRT.@)
1334  */
1335 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1336 {
1337     return isalnumW( wc );
1338 }
1339
1340 /*********************************************************************
1341  *              iswalpha (MSVCRT.@)
1342  */
1343 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1344 {
1345     return isalphaW( wc );
1346 }
1347
1348 /*********************************************************************
1349  *              iswalpha_l (MSVCRT.@)
1350  */
1351 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1352 {
1353     return isalphaW( wc );
1354 }
1355
1356 /*********************************************************************
1357  *              iswcntrl (MSVCRT.@)
1358  */
1359 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1360 {
1361     return iscntrlW( wc );
1362 }
1363
1364 /*********************************************************************
1365  *              iswdigit (MSVCRT.@)
1366  */
1367 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1368 {
1369     return isdigitW( wc );
1370 }
1371
1372 /*********************************************************************
1373  *              iswgraph (MSVCRT.@)
1374  */
1375 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1376 {
1377     return isgraphW( wc );
1378 }
1379
1380 /*********************************************************************
1381  *              iswlower (MSVCRT.@)
1382  */
1383 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1384 {
1385     return islowerW( wc );
1386 }
1387
1388 /*********************************************************************
1389  *              iswprint (MSVCRT.@)
1390  */
1391 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1392 {
1393     return isprintW( wc );
1394 }
1395
1396 /*********************************************************************
1397  *              iswpunct (MSVCRT.@)
1398  */
1399 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1400 {
1401     return ispunctW( wc );
1402 }
1403
1404 /*********************************************************************
1405  *              iswspace (MSVCRT.@)
1406  */
1407 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1408 {
1409     return isspaceW( wc );
1410 }
1411
1412 /*********************************************************************
1413  *              iswupper (MSVCRT.@)
1414  */
1415 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1416 {
1417     return isupperW( wc );
1418 }
1419
1420 /*********************************************************************
1421  *              iswxdigit (MSVCRT.@)
1422  */
1423 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1424 {
1425     return isxdigitW( wc );
1426 }
1427
1428 /*********************************************************************
1429  *              wcscpy_s (MSVCRT.@)
1430  */
1431 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1432 {
1433     MSVCRT_size_t size = 0;
1434
1435     if(!wcDest || !numElement)
1436         return MSVCRT_EINVAL;
1437
1438     wcDest[0] = 0;
1439
1440     if(!wcSrc)
1441     {
1442         return MSVCRT_EINVAL;
1443     }
1444
1445     size = strlenW(wcSrc) + 1;
1446
1447     if(size > numElement)
1448     {
1449         return MSVCRT_ERANGE;
1450     }
1451
1452     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1453
1454     return 0;
1455 }
1456
1457 /******************************************************************
1458  *              wcsncpy_s (MSVCRT.@)
1459  */
1460 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1461                             MSVCRT_size_t count )
1462 {
1463     MSVCRT_size_t size = 0;
1464
1465     if (!wcDest || !numElement)
1466         return MSVCRT_EINVAL;
1467
1468     wcDest[0] = 0;
1469
1470     if (!wcSrc)
1471     {
1472         return MSVCRT_EINVAL;
1473     }
1474
1475     size = min(strlenW(wcSrc), count);
1476
1477     if (size >= numElement)
1478     {
1479         return MSVCRT_ERANGE;
1480     }
1481
1482     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1483     wcDest[size] = '\0';
1484
1485     return 0;
1486 }
1487
1488 /******************************************************************
1489  *              wcscat_s (MSVCRT.@)
1490  *
1491  */
1492 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1493 {
1494     MSVCRT_wchar_t* ptr = dst;
1495
1496     if (!dst || elem == 0) return MSVCRT_EINVAL;
1497     if (!src)
1498     {
1499         dst[0] = '\0';
1500         return MSVCRT_EINVAL;
1501     }
1502
1503     /* seek to end of dst string (or elem if no end of string is found */
1504     while (ptr < dst + elem && *ptr != '\0') ptr++;
1505     while (ptr < dst + elem)
1506     {
1507         if ((*ptr++ = *src++) == '\0') return 0;
1508     }
1509     /* not enough space */
1510     dst[0] = '\0';
1511     return MSVCRT_ERANGE;
1512 }
1513
1514 /*********************************************************************
1515  *  _wctoi64_l (MSVCRT.@)
1516  *
1517  * FIXME: locale parameter is ignored
1518  */
1519 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1520         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1521 {
1522     BOOL negative = FALSE;
1523     __int64 ret = 0;
1524
1525     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1526
1527     if(!nptr || base<0 || base>36 || base==1) {
1528         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1529         return 0;
1530     }
1531
1532     while(isspaceW(*nptr)) nptr++;
1533
1534     if(*nptr == '-') {
1535         negative = TRUE;
1536         nptr++;
1537     } else if(*nptr == '+')
1538         nptr++;
1539
1540     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1541         base = 16;
1542         nptr += 2;
1543     }
1544
1545     if(base == 0) {
1546         if(*nptr=='0')
1547             base = 8;
1548         else
1549             base = 10;
1550     }
1551
1552     while(*nptr) {
1553         char cur = tolowerW(*nptr);
1554         int v;
1555
1556         if(isdigitW(cur)) {
1557             if(cur >= '0'+base)
1558                 break;
1559             v = cur-'0';
1560         } else {
1561             if(cur<'a' || cur>='a'+base-10)
1562                 break;
1563             v = cur-'a'+10;
1564         }
1565
1566         if(negative)
1567             v = -v;
1568
1569         nptr++;
1570
1571         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1572             ret = MSVCRT_I64_MAX;
1573             *MSVCRT__errno() = MSVCRT_ERANGE;
1574         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1575             ret = MSVCRT_I64_MIN;
1576             *MSVCRT__errno() = MSVCRT_ERANGE;
1577         } else
1578             ret = ret*base + v;
1579     }
1580
1581     if(endptr)
1582         *endptr = (MSVCRT_wchar_t*)nptr;
1583
1584     return ret;
1585 }
1586
1587 /*********************************************************************
1588  *  _wcstoi64 (MSVCRT.@)
1589  */
1590 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1591         MSVCRT_wchar_t **endptr, int base)
1592 {
1593     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1594 }
1595
1596 /*********************************************************************
1597  *  _wcstoui64_l (MSVCRT.@)
1598  *
1599  * FIXME: locale parameter is ignored
1600  */
1601 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1602         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1603 {
1604     BOOL negative = FALSE;
1605     unsigned __int64 ret = 0;
1606
1607     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1608
1609     if(!nptr || base<0 || base>36 || base==1) {
1610         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1611         return 0;
1612     }
1613
1614     while(isspaceW(*nptr)) nptr++;
1615
1616     if(*nptr == '-') {
1617         negative = TRUE;
1618         nptr++;
1619     } else if(*nptr == '+')
1620         nptr++;
1621
1622     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1623         base = 16;
1624         nptr += 2;
1625     }
1626
1627     if(base == 0) {
1628         if(*nptr=='0')
1629             base = 8;
1630         else
1631             base = 10;
1632     }
1633
1634     while(*nptr) {
1635         char cur = tolowerW(*nptr);
1636         int v;
1637
1638         if(isdigit(cur)) {
1639             if(cur >= '0'+base)
1640                 break;
1641             v = *nptr-'0';
1642         } else {
1643             if(cur<'a' || cur>='a'+base-10)
1644                 break;
1645             v = cur-'a'+10;
1646         }
1647
1648         nptr++;
1649
1650         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1651             ret = MSVCRT_UI64_MAX;
1652             *MSVCRT__errno() = MSVCRT_ERANGE;
1653         } else
1654             ret = ret*base + v;
1655     }
1656
1657     if(endptr)
1658         *endptr = (MSVCRT_wchar_t*)nptr;
1659
1660     return negative ? -ret : ret;
1661 }
1662
1663 /*********************************************************************
1664  *  _wcstoui64 (MSVCRT.@)
1665  */
1666 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1667         MSVCRT_wchar_t **endptr, int base)
1668 {
1669     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1670 }