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     BOOL found_digit = FALSE;
 137
 138     if(!str) {
 139         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 140         *MSVCRT__errno() = MSVCRT_EINVAL;
 141         return 0;
 142     }
 143
 144     if(!locale)
 145         locale = get_locale();
 146
 147     p = str;
 148     while(isspaceW(*p))
 149         p++;
 150
 151     if(*p == '-') {
 152         sign = -1;
 153         p++;
 154     } else  if(*p == '+')
 155         p++;
 156
 157     while(isdigitW(*p)) {
 158         found_digit = TRUE;
 159         hlp = d*10+*(p++)-'0';
 160         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 161             exp++;
 162             break;
 163         } else
 164             d = hlp;
 165     }
 166     while(isdigitW(*p)) {
 167         exp++;
 168         p++;
 169     }
 170     if(*p == *locale->locinfo->lconv->decimal_point)
 171         p++;
 172
 173     while(isdigitW(*p)) {
 174         found_digit = TRUE;
 175         hlp = d*10+*(p++)-'0';
 176         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 177             break;
 178
 179         d = hlp;
 180         exp--;
 181     }
 182     while(isdigitW(*p))
 183         p++;
 184
 185     if(!found_digit) {
 186         if(end)
 187             *end = (MSVCRT_wchar_t*)str;
 188         return 0.0;
 189     }
 190
 191     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 192         int e=0, s=1;
 193
 194         p++;
 195         if(*p == '-') {
 196             s = -1;
 197             p++;
 198         } else if(*p == '+')
 199             p++;
 200
 201         if(isdigitW(*p)) {
 202             while(isdigitW(*p)) {
 203                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 204                     e = INT_MAX;
 205                 p++;
 206             }
 207             e *= s;
 208
 209             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 210             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 211             else exp += e;
 212         } else {
 213             if(*p=='-' || *p=='+')
 214                 p--;
 215             p--;
 216         }
 217     }
 218
 219     fpcontrol = _control87(0, 0);
 220     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 221             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 222
 223     if(exp>0)
 224         ret = (double)sign*d*pow(10, exp);
 225     else
 226         ret = (double)sign*d/pow(10, -exp);
 227
 228     _control87(fpcontrol, 0xffffffff);
 229
 230     if((d && ret==0.0) || isinf(ret))
 231         *MSVCRT__errno() = MSVCRT_ERANGE;
 232
 233     if(end)
 234         *end = (MSVCRT_wchar_t*)p;
 235
 236     return ret;
 237 }
 238
 239 /*********************************************************************
 240  *              _wcstombs_l (MSVCRT.@)
 241  */
 242 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 243         MSVCRT_size_t count, MSVCRT__locale_t locale)
 244 {
 245     char default_char = '\0';
 246     MSVCRT_size_t tmp = 0;
 247     BOOL used_default;
 248
 249     if(!locale)
 250         locale = get_locale();
 251
 252     if(!mbstr)
 253         return WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 254                 wcstr, -1, NULL, 0, &default_char, &used_default)-1;
 255
 256     while(*wcstr) {
 257         char buf[3];
 258         MSVCRT_size_t i, size;
 259
 260         size = WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 261                 wcstr, 1, buf, 3, &default_char, &used_default);
 262         if(used_default)
 263             return -1;
 264         if(tmp+size > count)
 265             return tmp;
 266
 267         for(i=0; i<size; i++)
 268             mbstr[tmp++] = buf[i];
 269         wcstr++;
 270     }
 271
 272     if(tmp < count)
 273         mbstr[tmp] = '\0';
 274     return tmp;
 275 }
 276
 277 /*********************************************************************
 278  *              wcstombs (MSVCRT.@)
 279  */
 280 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 281         MSVCRT_size_t count)
 282 {
 283     return MSVCRT__wcstombs_l(mbstr, wcstr, count, NULL);
 284 }
 285
 286 /*********************************************************************
 287  *              _wcstombs_s_l (MSVCRT.@)
 288  */
 289 MSVCRT_size_t CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 290         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 291         MSVCRT_size_t count, MSVCRT__locale_t locale)
 292 {
 293     MSVCRT_size_t conv;
 294
 295     if(!mbstr && !size) {
 296         conv = MSVCRT__wcstombs_l(NULL, wcstr, 0, locale);
 297         if(ret)
 298             *ret = conv;
 299         return 0;
 300     }
 301
 302     if(!wcstr || !mbstr) {
 303         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 304         if(mbstr && size)
 305             mbstr[0] = '\0';
 306         *MSVCRT__errno() = MSVCRT_EINVAL;
 307         return MSVCRT_EINVAL;
 308     }
 309
 310     if(count==MSVCRT__TRUNCATE || size<count)
 311         conv = size;
 312     else
 313         conv = count;
 314
 315     conv = MSVCRT__wcstombs_l(mbstr, wcstr, conv, locale);
 316     if(conv<size)
 317         mbstr[conv++] = '\0';
 318     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 319         mbstr[conv-1] = '\0';
 320     else {
 321         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 322         if(size)
 323             mbstr[0] = '\0';
 324         *MSVCRT__errno() = MSVCRT_ERANGE;
 325         return MSVCRT_ERANGE;
 326     }
 327
 328     if(ret)
 329         *ret = conv;
 330     return 0;
 331 }
 332
 333 /*********************************************************************
 334  *              wcstombs_s (MSVCRT.@)
 335  */
 336 MSVCRT_size_t CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 337         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 338 {
 339     return MSVCRT__wcstombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 340 }
 341
 342 /*********************************************************************
 343  *              wcstod (MSVCRT.@)
 344  */
 345 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 346 {
 347     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 348 }
 349
 350 /*********************************************************************
 351  *              _wtof (MSVCRT.@)
 352  */
 353 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 354 {
 355     return MSVCRT__wcstod_l(str, NULL, NULL);
 356 }
 357
 358 /*********************************************************************
 359  *              _wtof_l (MSVCRT.@)
 360  */
 361 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 362 {
 363     return MSVCRT__wcstod_l(str, NULL, locale);
 364 }
 365
 366 typedef struct pf_output_t
 367 {
 368     int used;
 369     int len;
 370     BOOL unicode;
 371     union {
 372         LPWSTR W;
 373         LPSTR  A;
 374     } buf;
 375 } pf_output;
 376
 377 typedef struct pf_flags_t
 378 {
 379     char Sign, LeftAlign, Alternate, PadZero;
 380     int FieldLength, Precision;
 381     char IntegerLength, IntegerDouble;
 382     char WideString;
 383     char Format;
 384 } pf_flags;
 385
 386 /*
 387  * writes a string of characters to the output
 388  * returns -1 if the string doesn't fit in the output buffer
 389  * return the length of the string if all characters were written
 390  */
 391 static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
 392 {
 393     int space = out->len - out->used;
 394
 395     if( len < 0 )
 396         len = strlenW( str );
 397     if( out->unicode )
 398     {
 399         LPWSTR p = out->buf.W + out->used;
 400
 401         if( space >= len )
 402         {
 403             if (out->buf.W) memcpy( p, str, len*sizeof(WCHAR) );
 404             out->used += len;
 405             return len;
 406         }
 407         if( space > 0 && out->buf.W )
 408             memcpy( p, str, space*sizeof(WCHAR) );
 409         out->used += len;
 410     }
 411     else
 412     {
 413         int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
 414         LPSTR p = out->buf.A + out->used;
 415
 416         if( space >= n )
 417         {
 418             if (out->buf.A) WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
 419             out->used += n;
 420             return len;
 421         }
 422         if( space > 0 && out->buf.A )
 423             WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
 424         out->used += n;
 425     }
 426     return -1;
 427 }
 428
 429 static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
 430 {
 431     int space = out->len - out->used;
 432
 433     if( len < 0 )
 434         len = strlen( str );
 435     if( !out->unicode )
 436     {
 437         LPSTR p = out->buf.A + out->used;
 438
 439         if( space >= len )
 440         {
 441             if (out->buf.A) memcpy( p, str, len );
 442             out->used += len;
 443             return len;
 444         }
 445         if( space > 0 && out->buf.A )
 446             memcpy( p, str, space );
 447         out->used += len;
 448     }
 449     else
 450     {
 451         int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
 452         LPWSTR p = out->buf.W + out->used;
 453
 454         if( space >= n )
 455         {
 456             if (out->buf.W) MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
 457             out->used += n;
 458             return len;
 459         }
 460         if( space > 0 && out->buf.W )
 461             MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
 462         out->used += n;
 463     }
 464     return -1;
 465 }
 466
 467 /* pf_fill: takes care of signs, alignment, zero and field padding */
 468 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 469 {
 470     int i, r = 0;
 471
 472     if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 473         flags->Sign = 0;
 474
 475     if( left && flags->Sign )
 476     {
 477         flags->FieldLength--;
 478         if( flags->PadZero )
 479             r = pf_output_stringA( out, &flags->Sign, 1 );
 480     }
 481
 482     if( ( !left &&  flags->LeftAlign ) ||
 483         (  left && !flags->LeftAlign ))
 484     {
 485         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 486         {
 487             if( left && flags->PadZero )
 488                 r = pf_output_stringA( out, "0", 1 );
 489             else
 490                 r = pf_output_stringA( out, " ", 1 );
 491         }
 492     }
 493
 494     if( left && flags->Sign && !flags->PadZero )
 495         r = pf_output_stringA( out, &flags->Sign, 1 );
 496
 497     return r;
 498 }
 499
 500 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 501                                       int len, pf_flags *flags )
 502 {
 503     int r = 0;
 504
 505     if( len < 0 )
 506         len = strlenW( str );
 507
 508     if (flags->Precision >= 0 && flags->Precision < len)
 509         len = flags->Precision;
 510
 511     r = pf_fill( out, len, flags, 1 );
 512
 513     if( r>=0 )
 514         r = pf_output_stringW( out, str, len );
 515
 516     if( r>=0 )
 517         r = pf_fill( out, len, flags, 0 );
 518
 519     return r;
 520 }
 521
 522 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 523                                       int len, pf_flags *flags )
 524 {
 525     int r = 0;
 526
 527     if( len < 0 )
 528         len = strlen( str );
 529
 530     if (flags->Precision >= 0 && flags->Precision < len)
 531         len = flags->Precision;
 532
 533     r = pf_fill( out, len, flags, 1 );
 534
 535     if( r>=0 )
 536         r = pf_output_stringA( out, str, len );
 537
 538     if( r>=0 )
 539         r = pf_fill( out, len, flags, 0 );
 540
 541     return r;
 542 }
 543
 544 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 545                              pf_flags *flags, BOOL capital_letter)
 546 {
 547      if(str == NULL)  /* catch NULL pointer */
 548         return pf_output_format_A( out, "(null)", -1, flags);
 549
 550      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 551     if(flags->WideString || flags->IntegerLength == 'l')
 552         return pf_output_format_W( out, str, len, flags);
 553     if(flags->IntegerLength == 'h')
 554         return pf_output_format_A( out, str, len, flags);
 555
 556     /* %s,%c ->  chars in ansi functions & wchars in unicode
 557      * %S,%C -> wchars in ansi functions &  chars in unicode */
 558     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 559         return pf_output_format_A( out, str, len, flags);
 560     else
 561         return pf_output_format_W( out, str, len, flags);
 562 }
 563
 564 static inline BOOL pf_is_integer_format( char fmt )
 565 {
 566     static const char float_fmts[] = "diouxX";
 567     if (!fmt)
 568         return FALSE;
 569     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 570 }
 571
 572 static inline BOOL pf_is_double_format( char fmt )
 573 {
 574     static const char float_fmts[] = "aeEfgG";
 575     if (!fmt)
 576         return FALSE;
 577     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 578 }
 579
 580 static inline BOOL pf_is_valid_format( char fmt )
 581 {
 582     static const char float_fmts[] = "acCdeEfgGinouxX";
 583     if (!fmt)
 584         return FALSE;
 585     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 586 }
 587
 588 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 589 {
 590     *p++ = '%';
 591     if( flags->Sign )
 592         *p++ = flags->Sign;
 593     if( flags->LeftAlign )
 594         *p++ = flags->LeftAlign;
 595     if( flags->Alternate )
 596         *p++ = flags->Alternate;
 597     if( flags->PadZero )
 598         *p++ = flags->PadZero;
 599     if( flags->FieldLength )
 600     {
 601         sprintf(p, "%d", flags->FieldLength);
 602         p += strlen(p);
 603     }
 604     if( flags->Precision >= 0 )
 605     {
 606         sprintf(p, ".%d", flags->Precision);
 607         p += strlen(p);
 608     }
 609     *p++ = flags->Format;
 610     *p++ = 0;
 611 }
 612
 613 /* pf_integer_conv:  prints x to buf, including alternate formats and
 614    additional precision digits, but not field characters or the sign */
 615 static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
 616                              LONGLONG x )
 617 {
 618     unsigned int base;
 619     const char *digits;
 620
 621     int i, j, k;
 622     char number[40], *tmp = number;
 623
 624     if( buf_len > sizeof number )
 625         tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
 626
 627     base = 10;
 628     if( flags->Format == 'o' )
 629         base = 8;
 630     else if( flags->Format == 'x' || flags->Format == 'X' )
 631         base = 16;
 632
 633     if( flags->Format == 'X' )
 634         digits = "0123456789ABCDEFX";
 635     else
 636         digits = "0123456789abcdefx";
 637
 638     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 639     {
 640         x = -x;
 641         flags->Sign = '-';
 642     }
 643
 644     /* Do conversion (backwards) */
 645     i = 0;
 646     if( x == 0 && flags->Precision )
 647         tmp[i++] = '0';
 648     else
 649         while( x != 0 )
 650         {
 651             j = (ULONGLONG) x % base;
 652             x = (ULONGLONG) x / base;
 653             tmp[i++] = digits[j];
 654         }
 655     k = flags->Precision - i;
 656     while( k-- > 0 )
 657         tmp[i++] = '0';
 658     if( flags->Alternate )
 659     {
 660         if( base == 16 )
 661         {
 662             tmp[i++] = digits[16];
 663             tmp[i++] = '0';
 664         }
 665         else if( base == 8 && tmp[i-1] != '0' )
 666             tmp[i++] = '0';
 667     }
 668
 669     /* Reverse for buf */
 670     j = 0;
 671     while( i-- > 0 )
 672         buf[j++] = tmp[i];
 673     buf[j] = '\0';
 674
 675     /* Adjust precision so pf_fill won't truncate the number later */
 676     flags->Precision = strlen( buf );
 677
 678     if( tmp != number )
 679         HeapFree( GetProcessHeap(), 0, tmp );
 680
 681     return;
 682 }
 683
 684 /* pf_fixup_exponent: convert a string containing a 2 digit exponent
 685    to 3 digits, accounting for padding, in place. Needed to match
 686    the native printf's which always use 3 digits. */
 687 static void pf_fixup_exponent( char *buf )
 688 {
 689     char* tmp = buf;
 690
 691     while (tmp[0] && toupper(tmp[0]) != 'E')
 692         tmp++;
 693
 694     if (tmp[0] && (tmp[1] == '+' || tmp[1] == '-') &&
 695         isdigit(tmp[2]) && isdigit(tmp[3]))
 696     {
 697         char final;
 698
 699         if (isdigit(tmp[4]))
 700             return; /* Exponent already 3 digits */
 701
 702         /* We have a 2 digit exponent. Prepend '0' to make it 3 */
 703         tmp += 2;
 704         final = tmp[2];
 705         tmp[2] = tmp[1];
 706         tmp[1] = tmp[0];
 707         tmp[0] = '0';
 708         if (final == '\0')
 709         {
 710             /* We didn't expand into trailing space, so this string isn't left
 711              * justified. Terminate the string and strip a ' ' at the start of
 712              * the string if there is one (as there may be if the string is
 713              * right justified).
 714              */
 715             tmp[3] = '\0';
 716             if (buf[0] == ' ')
 717                 memmove(buf, buf + 1, (tmp - buf) + 3);
 718         }
 719         /* Otherwise, we expanded into trailing space -> nothing to do */
 720     }
 721 }
 722
 723 /*********************************************************************
 724  *  pf_vsnprintf  (INTERNAL)
 725  *
 726  *  implements both A and W vsnprintf functions
 727  */
 728 static int pf_vsnprintf( pf_output *out, const WCHAR *format,
 729         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 730 {
 731     int r;
 732     LPCWSTR q, p = format;
 733     pf_flags flags;
 734
 735     if(!locale)
 736         locale = get_locale();
 737
 738     TRACE("format is %s\n",debugstr_w(format));
 739     while (*p)
 740     {
 741         q = strchrW( p, '%' );
 742
 743         /* there's no % characters left, output the rest of the string */
 744         if( !q )
 745         {
 746             r = pf_output_stringW(out, p, -1);
 747             if( r<0 )
 748                 return r;
 749             p += r;
 750             continue;
 751         }
 752
 753         /* there's characters before the %, output them */
 754         if( q != p )
 755         {
 756             r = pf_output_stringW(out, p, q - p);
 757             if( r<0 )
 758                 return r;
 759             p = q;
 760         }
 761
 762         /* we must be at a % now, skip over it */
 763         assert( *p == '%' );
 764         p++;
 765
 766         /* output a single % character */
 767         if( *p == '%' )
 768         {
 769             r = pf_output_stringW(out, p++, 1);
 770             if( r<0 )
 771                 return r;
 772             continue;
 773         }
 774
 775         /* parse the flags */
 776         memset( &flags, 0, sizeof flags );
 777         while (*p)
 778         {
 779             if( *p == '+' || *p == ' ' )
 780             {
 781                 if ( flags.Sign != '+' )
 782                     flags.Sign = *p;
 783             }
 784             else if( *p == '-' )
 785                 flags.LeftAlign = *p;
 786             else if( *p == '0' )
 787                 flags.PadZero = *p;
 788             else if( *p == '#' )
 789                 flags.Alternate = *p;
 790             else
 791                 break;
 792             p++;
 793         }
 794
 795         /* deal with the field width specifier */
 796         flags.FieldLength = 0;
 797         if( *p == '*' )
 798         {
 799             flags.FieldLength = va_arg( valist, int );
 800             if (flags.FieldLength < 0)
 801             {
 802                 flags.LeftAlign = '-';
 803                 flags.FieldLength = -flags.FieldLength;
 804             }
 805             p++;
 806         }
 807         else while( isdigit(*p) )
 808         {
 809             flags.FieldLength *= 10;
 810             flags.FieldLength += *p++ - '0';
 811         }
 812
 813         /* deal with precision */
 814         flags.Precision = -1;
 815         if( *p == '.' )
 816         {
 817             flags.Precision = 0;
 818             p++;
 819             if( *p == '*' )
 820             {
 821                 flags.Precision = va_arg( valist, int );
 822                 p++;
 823             }
 824             else while( isdigit(*p) )
 825             {
 826                 flags.Precision *= 10;
 827                 flags.Precision += *p++ - '0';
 828             }
 829         }
 830
 831         /* deal with integer width modifier */
 832         while( *p )
 833         {
 834             if( *p == 'h' || *p == 'l' || *p == 'L' )
 835             {
 836                 flags.IntegerLength = *p;
 837                 p++;
 838             }
 839             else if( *p == 'I' )
 840             {
 841                 if( *(p+1) == '6' && *(p+2) == '4' )
 842                 {
 843                     flags.IntegerDouble++;
 844                     p += 3;
 845                 }
 846                 else if( *(p+1) == '3' && *(p+2) == '2' )
 847                     p += 3;
 848                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 849                     break;
 850                 else
 851                     p++;
 852             }
 853             else if( *p == 'w' )
 854                 flags.WideString = *p++;
 855             else if( *p == 'F' )
 856                 p++; /* ignore */
 857             else
 858                 break;
 859         }
 860
 861         flags.Format = *p;
 862         r = 0;
 863
 864         if (flags.Format == '$')
 865         {
 866             FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
 867             return -1;
 868         }
 869         /* output a string */
 870         if(  flags.Format == 's' || flags.Format == 'S' )
 871             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 872                                          &flags, (flags.Format == 'S') );
 873
 874         /* output a single character */
 875         else if( flags.Format == 'c' || flags.Format == 'C' )
 876         {
 877             INT ch = va_arg( valist, int );
 878
 879             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 880         }
 881
 882         /* output a pointer */
 883         else if( flags.Format == 'p' )
 884         {
 885             char pointer[32];
 886             void *ptr = va_arg( valist, void * );
 887
 888             flags.PadZero = 0;
 889             if( flags.Alternate )
 890                 sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 891             else
 892                 sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 893             r = pf_output_format_A( out, pointer, -1, &flags );
 894         }
 895
 896         /* deal with %n */
 897         else if( flags.Format == 'n' )
 898         {
 899             int *x = va_arg(valist, int *);
 900             *x = out->used;
 901         }
 902
 903         /* deal with 64-bit integers */
 904         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 905         {
 906             char number[40], *x = number;
 907
 908             /* Estimate largest possible required buffer size:
 909                * Chooses the larger of the field or precision
 910                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 911                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 912                  for a decimal, and 1 byte for an additional float digit. */
 913             int x_len = ((flags.FieldLength > flags.Precision) ?
 914                         flags.FieldLength : flags.Precision) + 10;
 915
 916             if( x_len >= sizeof number)
 917                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 918
 919             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
 920
 921             r = pf_output_format_A( out, x, -1, &flags );
 922             if( x != number )
 923                 HeapFree( GetProcessHeap(), 0, x );
 924         }
 925
 926         /* deal with integers and floats using libc's printf */
 927         else if( pf_is_valid_format( flags.Format ) )
 928         {
 929             char fmt[20], number[40], *x = number, *decimal_point;
 930
 931             /* Estimate largest possible required buffer size:
 932                * Chooses the larger of the field or precision
 933                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 934                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 935                  for a decimal, and 1 byte for an additional float digit. */
 936             int x_len = ((flags.FieldLength > flags.Precision) ?
 937                         flags.FieldLength : flags.Precision) + 10;
 938
 939             if( x_len >= sizeof number)
 940                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 941
 942             pf_rebuild_format_string( fmt, &flags );
 943
 944             if( pf_is_double_format( flags.Format ) )
 945             {
 946                 sprintf( x, fmt, va_arg(valist, double) );
 947                 if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
 948                     pf_fixup_exponent( x );
 949             }
 950             else
 951                 sprintf( x, fmt, va_arg(valist, int) );
 952
 953             decimal_point = strchr(x, '.');
 954             if(decimal_point)
 955                 *decimal_point = *locale->locinfo->lconv->decimal_point;
 956
 957             r = pf_output_stringA( out, x, -1 );
 958             if( x != number )
 959                 HeapFree( GetProcessHeap(), 0, x );
 960             if(r < 0)
 961                 return r;
 962         }
 963         else
 964         {
 965             if( valid )
 966             {
 967                 MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
 968                 *MSVCRT__errno() = MSVCRT_EINVAL;
 969                 return -1;
 970             }
 971
 972             continue;
 973         }
 974
 975         if( r<0 )
 976             return r;
 977         p++;
 978     }
 979
 980     /* check we reached the end, and null terminate the string */
 981     assert( *p == 0 );
 982     pf_output_stringW( out, p, 1 );
 983
 984     return out->used - 1;
 985 }
 986
 987 /*********************************************************************
 988  * vsnprintf_internal (INTERNAL)
 989  */
 990 static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
 991         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 992 {
 993     DWORD sz;
 994     LPWSTR formatW = NULL;
 995     pf_output out;
 996     int r;
 997
 998     out.unicode = FALSE;
 999     out.buf.A = str;
1000     out.used = 0;
1001     out.len = len;
1002
1003     sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
1004     formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
1005     MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
1006
1007     r = pf_vsnprintf( &out, formatW, locale, valid, valist );
1008
1009     HeapFree( GetProcessHeap(), 0, formatW );
1010
1011     return r;
1012 }
1013
1014 /*********************************************************************
1015  *              _vsnprintf (MSVCRT.@)
1016  */
1017 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
1018                             const char *format, __ms_va_list valist )
1019 {
1020     return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
1021 }
1022
1023 /*********************************************************************
1024 *               _vsnprintf_l (MSVCRT.@)
1025  */
1026 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
1027                             MSVCRT__locale_t locale, __ms_va_list valist )
1028 {
1029     return vsnprintf_internal(str, len, format, locale, FALSE, valist);
1030 }
1031
1032 /*********************************************************************
1033  *              _vsnprintf_s_l (MSVCRT.@)
1034  */
1035 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
1036         MSVCRT_size_t count, const char *format,
1037         MSVCRT__locale_t locale, __ms_va_list valist )
1038 {
1039     int len, ret;
1040
1041     if(sizeOfBuffer<count+1 || count==-1)
1042         len = sizeOfBuffer;
1043     else
1044         len = count+1;
1045
1046     ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
1047
1048     if(ret<0 || ret==len) {
1049         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1050             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1051             *MSVCRT__errno() = MSVCRT_ERANGE;
1052             memset(str, 0, sizeOfBuffer);
1053         } else
1054             str[len-1] = '\0';
1055
1056         return -1;
1057     }
1058
1059     return ret;
1060 }
1061
1062 /*********************************************************************
1063  *              _vsnprintf_s (MSVCRT.@)
1064  */
1065 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
1066         MSVCRT_size_t count, const char *format, __ms_va_list valist )
1067 {
1068     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
1069 }
1070
1071 /*********************************************************************
1072  *              vsprintf (MSVCRT.@)
1073  */
1074 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
1075 {
1076     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
1077 }
1078
1079 /*********************************************************************
1080  *              vsprintf_s (MSVCRT.@)
1081  */
1082 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
1083 {
1084     return MSVCRT_vsnprintf(str, num, format, valist);
1085 }
1086
1087 /*********************************************************************
1088  *              _vscprintf (MSVCRT.@)
1089  */
1090 int CDECL _vscprintf( const char *format, __ms_va_list valist )
1091 {
1092     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
1093 }
1094
1095 /*********************************************************************
1096  *              _snprintf (MSVCRT.@)
1097  */
1098 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
1099 {
1100     int retval;
1101     __ms_va_list valist;
1102     __ms_va_start(valist, format);
1103     retval = MSVCRT_vsnprintf(str, len, format, valist);
1104     __ms_va_end(valist);
1105     return retval;
1106 }
1107
1108 /*********************************************************************
1109  *              _snprintf_s (MSVCRT.@)
1110  */
1111 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
1112     const char *format, ...)
1113 {
1114     int retval;
1115     __ms_va_list valist;
1116     __ms_va_start(valist, format);
1117     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
1118     __ms_va_end(valist);
1119     return retval;
1120 }
1121
1122 /*********************************************************************
1123  *              _scprintf (MSVCRT.@)
1124  */
1125 int CDECL MSVCRT__scprintf(const char *format, ...)
1126 {
1127     int retval;
1128     __ms_va_list valist;
1129     __ms_va_start(valist, format);
1130     retval = _vscprintf(format, valist);
1131     __ms_va_end(valist);
1132     return retval;
1133 }
1134
1135 /*********************************************************************
1136  * vsnwprintf_internal (INTERNAL)
1137  */
1138 static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1139         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
1140         __ms_va_list valist)
1141 {
1142     pf_output out;
1143
1144     out.unicode = TRUE;
1145     out.buf.W = str;
1146     out.used = 0;
1147     out.len = len;
1148
1149     return pf_vsnprintf( &out, format, locale, valid, valist );
1150 }
1151
1152 /*********************************************************************
1153  *              _vsnwprintf (MSVCRT.@)
1154  */
1155 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1156         const MSVCRT_wchar_t *format, __ms_va_list valist)
1157 {
1158     return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
1159 }
1160
1161 /*********************************************************************
1162  *              _vsnwprintf_l (MSVCRT.@)
1163  */
1164 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1165         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
1166         __ms_va_list valist)
1167 {
1168         return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
1169 }
1170
1171 /*********************************************************************
1172  *              _vsnwprintf_s_l (MSVCRT.@)
1173  */
1174 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1175         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
1176         MSVCRT__locale_t locale, __ms_va_list valist)
1177 {
1178     int len, ret;
1179
1180     len = sizeOfBuffer;
1181     if(count!=-1 && len>count+1)
1182         len = count+1;
1183
1184     ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
1185
1186     if(ret<0 || ret==len) {
1187         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1188             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1189             *MSVCRT__errno() = MSVCRT_ERANGE;
1190             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
1191         } else
1192             str[len-1] = '\0';
1193
1194         return -1;
1195     }
1196
1197     return ret;
1198 }
1199
1200 /*********************************************************************
1201  *              _vsnwprintf_s (MSVCRT.@)
1202  */
1203 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1204         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
1205 {
1206     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
1207             format, NULL, valist);
1208 }
1209
1210 /*********************************************************************
1211  *              _snwprintf (MSVCRT.@)
1212  */
1213 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
1214 {
1215     int retval;
1216     __ms_va_list valist;
1217     __ms_va_start(valist, format);
1218     retval = MSVCRT_vsnwprintf(str, len, format, valist);
1219     __ms_va_end(valist);
1220     return retval;
1221 }
1222
1223 /*********************************************************************
1224  *              _snwprintf_s (MSVCRT.@)
1225  */
1226 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
1227     const MSVCRT_wchar_t *format, ...)
1228 {
1229     int retval;
1230     __ms_va_list valist;
1231     __ms_va_start(valist, format);
1232     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
1233     __ms_va_end(valist);
1234     return retval;
1235 }
1236
1237 /*********************************************************************
1238  *              sprintf (MSVCRT.@)
1239  */
1240 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
1241 {
1242     __ms_va_list ap;
1243     int r;
1244
1245     __ms_va_start( ap, format );
1246     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
1247     __ms_va_end( ap );
1248     return r;
1249 }
1250
1251 /*********************************************************************
1252  *              sprintf_s (MSVCRT.@)
1253  */
1254 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
1255 {
1256     __ms_va_list ap;
1257     int r;
1258
1259     __ms_va_start( ap, format );
1260     r = MSVCRT_vsnprintf( str, num, format, ap );
1261     __ms_va_end( ap );
1262     return r;
1263 }
1264
1265 /*********************************************************************
1266  *              _scwprintf (MSVCRT.@)
1267  */
1268 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
1269 {
1270     __ms_va_list ap;
1271     int r;
1272
1273     __ms_va_start( ap, format );
1274     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
1275     __ms_va_end( ap );
1276     return r;
1277 }
1278
1279 /*********************************************************************
1280  *              swprintf (MSVCRT.@)
1281  */
1282 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
1283 {
1284     __ms_va_list ap;
1285     int r;
1286
1287     __ms_va_start( ap, format );
1288     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
1289     __ms_va_end( ap );
1290     return r;
1291 }
1292
1293 /*********************************************************************
1294  *              swprintf_s (MSVCRT.@)
1295  */
1296 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
1297         const MSVCRT_wchar_t *format, ... )
1298 {
1299     __ms_va_list ap;
1300     int r;
1301
1302     __ms_va_start(ap, format);
1303     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
1304     __ms_va_end(ap);
1305
1306     return r;
1307 }
1308
1309 /*********************************************************************
1310  *              vswprintf (MSVCRT.@)
1311  */
1312 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1313 {
1314     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1315 }
1316
1317 /*********************************************************************
1318  *              _vscwprintf (MSVCRT.@)
1319  */
1320 int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1321 {
1322     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1323 }
1324
1325 /*********************************************************************
1326  *              vswprintf_s (MSVCRT.@)
1327  */
1328 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1329         const MSVCRT_wchar_t* format, __ms_va_list args)
1330 {
1331     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
1332 }
1333
1334 /*********************************************************************
1335  *              _vswprintf_s_l (MSVCRT.@)
1336  */
1337 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1338         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1339 {
1340     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
1341             format, locale, args );
1342 }
1343
1344 /*********************************************************************
1345  *              wcscoll (MSVCRT.@)
1346  */
1347 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1348 {
1349   /* FIXME: handle collates */
1350   return strcmpW( str1, str2 );
1351 }
1352
1353 /*********************************************************************
1354  *              wcspbrk (MSVCRT.@)
1355  */
1356 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1357 {
1358   const MSVCRT_wchar_t* p;
1359   while (*str)
1360   {
1361     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1362       str++;
1363   }
1364   return NULL;
1365 }
1366
1367 /*********************************************************************
1368  *              wcstok  (MSVCRT.@)
1369  */
1370 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1371 {
1372     thread_data_t *data = msvcrt_get_thread_data();
1373     MSVCRT_wchar_t *ret;
1374
1375     if (!str)
1376         if (!(str = data->wcstok_next)) return NULL;
1377
1378     while (*str && strchrW( delim, *str )) str++;
1379     if (!*str) return NULL;
1380     ret = str++;
1381     while (*str && !strchrW( delim, *str )) str++;
1382     if (*str) *str++ = 0;
1383     data->wcstok_next = str;
1384     return ret;
1385 }
1386
1387
1388 /*********************************************************************
1389  *              wctomb (MSVCRT.@)
1390  */
1391 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1392 {
1393   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
1394 }
1395
1396 /*********************************************************************
1397  *              iswalnum (MSVCRT.@)
1398  */
1399 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1400 {
1401     return isalnumW( wc );
1402 }
1403
1404 /*********************************************************************
1405  *              iswalpha (MSVCRT.@)
1406  */
1407 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1408 {
1409     return isalphaW( wc );
1410 }
1411
1412 /*********************************************************************
1413  *              iswalpha_l (MSVCRT.@)
1414  */
1415 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1416 {
1417     return isalphaW( wc );
1418 }
1419
1420 /*********************************************************************
1421  *              iswcntrl (MSVCRT.@)
1422  */
1423 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1424 {
1425     return iscntrlW( wc );
1426 }
1427
1428 /*********************************************************************
1429  *              iswdigit (MSVCRT.@)
1430  */
1431 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1432 {
1433     return isdigitW( wc );
1434 }
1435
1436 /*********************************************************************
1437  *              iswgraph (MSVCRT.@)
1438  */
1439 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1440 {
1441     return isgraphW( wc );
1442 }
1443
1444 /*********************************************************************
1445  *              iswlower (MSVCRT.@)
1446  */
1447 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1448 {
1449     return islowerW( wc );
1450 }
1451
1452 /*********************************************************************
1453  *              iswprint (MSVCRT.@)
1454  */
1455 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1456 {
1457     return isprintW( wc );
1458 }
1459
1460 /*********************************************************************
1461  *              iswpunct (MSVCRT.@)
1462  */
1463 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1464 {
1465     return ispunctW( wc );
1466 }
1467
1468 /*********************************************************************
1469  *              iswspace (MSVCRT.@)
1470  */
1471 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1472 {
1473     return isspaceW( wc );
1474 }
1475
1476 /*********************************************************************
1477  *              iswupper (MSVCRT.@)
1478  */
1479 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1480 {
1481     return isupperW( wc );
1482 }
1483
1484 /*********************************************************************
1485  *              iswxdigit (MSVCRT.@)
1486  */
1487 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1488 {
1489     return isxdigitW( wc );
1490 }
1491
1492 /*********************************************************************
1493  *              wcscpy_s (MSVCRT.@)
1494  */
1495 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1496 {
1497     MSVCRT_size_t size = 0;
1498
1499     if(!wcDest || !numElement)
1500         return MSVCRT_EINVAL;
1501
1502     wcDest[0] = 0;
1503
1504     if(!wcSrc)
1505     {
1506         return MSVCRT_EINVAL;
1507     }
1508
1509     size = strlenW(wcSrc) + 1;
1510
1511     if(size > numElement)
1512     {
1513         return MSVCRT_ERANGE;
1514     }
1515
1516     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1517
1518     return 0;
1519 }
1520
1521 /******************************************************************
1522  *              wcsncpy_s (MSVCRT.@)
1523  */
1524 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1525                             MSVCRT_size_t count )
1526 {
1527     MSVCRT_size_t size = 0;
1528
1529     if (!wcDest || !numElement)
1530         return MSVCRT_EINVAL;
1531
1532     wcDest[0] = 0;
1533
1534     if (!wcSrc)
1535     {
1536         return MSVCRT_EINVAL;
1537     }
1538
1539     size = min(strlenW(wcSrc), count);
1540
1541     if (size >= numElement)
1542     {
1543         return MSVCRT_ERANGE;
1544     }
1545
1546     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1547     wcDest[size] = '\0';
1548
1549     return 0;
1550 }
1551
1552 /******************************************************************
1553  *              wcscat_s (MSVCRT.@)
1554  *
1555  */
1556 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1557 {
1558     MSVCRT_wchar_t* ptr = dst;
1559
1560     if (!dst || elem == 0) return MSVCRT_EINVAL;
1561     if (!src)
1562     {
1563         dst[0] = '\0';
1564         return MSVCRT_EINVAL;
1565     }
1566
1567     /* seek to end of dst string (or elem if no end of string is found */
1568     while (ptr < dst + elem && *ptr != '\0') ptr++;
1569     while (ptr < dst + elem)
1570     {
1571         if ((*ptr++ = *src++) == '\0') return 0;
1572     }
1573     /* not enough space */
1574     dst[0] = '\0';
1575     return MSVCRT_ERANGE;
1576 }
1577
1578 /*********************************************************************
1579  *  _wcstoi64_l (MSVCRT.@)
1580  *
1581  * FIXME: locale parameter is ignored
1582  */
1583 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1584         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1585 {
1586     BOOL negative = FALSE;
1587     __int64 ret = 0;
1588
1589     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1590
1591     if(!nptr || base<0 || base>36 || base==1) {
1592         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1593         return 0;
1594     }
1595
1596     while(isspaceW(*nptr)) nptr++;
1597
1598     if(*nptr == '-') {
1599         negative = TRUE;
1600         nptr++;
1601     } else if(*nptr == '+')
1602         nptr++;
1603
1604     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1605         base = 16;
1606         nptr += 2;
1607     }
1608
1609     if(base == 0) {
1610         if(*nptr=='0')
1611             base = 8;
1612         else
1613             base = 10;
1614     }
1615
1616     while(*nptr) {
1617         char cur = tolowerW(*nptr);
1618         int v;
1619
1620         if(isdigitW(cur)) {
1621             if(cur >= '0'+base)
1622                 break;
1623             v = cur-'0';
1624         } else {
1625             if(cur<'a' || cur>='a'+base-10)
1626                 break;
1627             v = cur-'a'+10;
1628         }
1629
1630         if(negative)
1631             v = -v;
1632
1633         nptr++;
1634
1635         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1636             ret = MSVCRT_I64_MAX;
1637             *MSVCRT__errno() = MSVCRT_ERANGE;
1638         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1639             ret = MSVCRT_I64_MIN;
1640             *MSVCRT__errno() = MSVCRT_ERANGE;
1641         } else
1642             ret = ret*base + v;
1643     }
1644
1645     if(endptr)
1646         *endptr = (MSVCRT_wchar_t*)nptr;
1647
1648     return ret;
1649 }
1650
1651 /*********************************************************************
1652  *  _wcstoi64 (MSVCRT.@)
1653  */
1654 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1655         MSVCRT_wchar_t **endptr, int base)
1656 {
1657     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1658 }
1659
1660 /*********************************************************************
1661  *  _wcstoui64_l (MSVCRT.@)
1662  *
1663  * FIXME: locale parameter is ignored
1664  */
1665 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1666         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1667 {
1668     BOOL negative = FALSE;
1669     unsigned __int64 ret = 0;
1670
1671     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1672
1673     if(!nptr || base<0 || base>36 || base==1) {
1674         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1675         return 0;
1676     }
1677
1678     while(isspaceW(*nptr)) nptr++;
1679
1680     if(*nptr == '-') {
1681         negative = TRUE;
1682         nptr++;
1683     } else if(*nptr == '+')
1684         nptr++;
1685
1686     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1687         base = 16;
1688         nptr += 2;
1689     }
1690
1691     if(base == 0) {
1692         if(*nptr=='0')
1693             base = 8;
1694         else
1695             base = 10;
1696     }
1697
1698     while(*nptr) {
1699         char cur = tolowerW(*nptr);
1700         int v;
1701
1702         if(isdigit(cur)) {
1703             if(cur >= '0'+base)
1704                 break;
1705             v = *nptr-'0';
1706         } else {
1707             if(cur<'a' || cur>='a'+base-10)
1708                 break;
1709             v = cur-'a'+10;
1710         }
1711
1712         nptr++;
1713
1714         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1715             ret = MSVCRT_UI64_MAX;
1716             *MSVCRT__errno() = MSVCRT_ERANGE;
1717         } else
1718             ret = ret*base + v;
1719     }
1720
1721     if(endptr)
1722         *endptr = (MSVCRT_wchar_t*)nptr;
1723
1724     return negative ? -ret : ret;
1725 }
1726
1727 /*********************************************************************
1728  *  _wcstoui64 (MSVCRT.@)
1729  */
1730 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1731         MSVCRT_wchar_t **endptr, int base)
1732 {
1733     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1734 }