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 == 'l' && *(p+1) == 'l' )
 835             {
 836                 flags.IntegerDouble++;
 837                 p += 2;
 838             }
 839             else if( *p == 'h' || *p == 'l' || *p == 'L' )
 840             {
 841                 flags.IntegerLength = *p;
 842                 p++;
 843             }
 844             else if( *p == 'I' )
 845             {
 846                 if( *(p+1) == '6' && *(p+2) == '4' )
 847                 {
 848                     flags.IntegerDouble++;
 849                     p += 3;
 850                 }
 851                 else if( *(p+1) == '3' && *(p+2) == '2' )
 852                     p += 3;
 853                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 854                     break;
 855                 else
 856                     p++;
 857             }
 858             else if( *p == 'w' )
 859                 flags.WideString = *p++;
 860             else if( *p == 'F' )
 861                 p++; /* ignore */
 862             else
 863                 break;
 864         }
 865
 866         flags.Format = *p;
 867         r = 0;
 868
 869         if (flags.Format == '$')
 870         {
 871             FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
 872             return -1;
 873         }
 874         /* output a string */
 875         if(  flags.Format == 's' || flags.Format == 'S' )
 876             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 877                                          &flags, (flags.Format == 'S') );
 878
 879         /* output a single character */
 880         else if( flags.Format == 'c' || flags.Format == 'C' )
 881         {
 882             INT ch = va_arg( valist, int );
 883
 884             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 885         }
 886
 887         /* output a pointer */
 888         else if( flags.Format == 'p' )
 889         {
 890             char pointer[32];
 891             void *ptr = va_arg( valist, void * );
 892
 893             flags.PadZero = 0;
 894             if( flags.Alternate )
 895                 sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 896             else
 897                 sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 898             r = pf_output_format_A( out, pointer, -1, &flags );
 899         }
 900
 901         /* deal with %n */
 902         else if( flags.Format == 'n' )
 903         {
 904             int *x = va_arg(valist, int *);
 905             *x = out->used;
 906         }
 907
 908         /* deal with 64-bit integers */
 909         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 910         {
 911             char number[40], *x = number;
 912
 913             /* Estimate largest possible required buffer size:
 914                * Chooses the larger of the field or precision
 915                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 916                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 917                  for a decimal, and 1 byte for an additional float digit. */
 918             int x_len = ((flags.FieldLength > flags.Precision) ?
 919                         flags.FieldLength : flags.Precision) + 10;
 920
 921             if( x_len >= sizeof number)
 922                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 923
 924             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
 925
 926             r = pf_output_format_A( out, x, -1, &flags );
 927             if( x != number )
 928                 HeapFree( GetProcessHeap(), 0, x );
 929         }
 930
 931         /* deal with integers and floats using libc's printf */
 932         else if( pf_is_valid_format( flags.Format ) )
 933         {
 934             char fmt[20], number[40], *x = number, *decimal_point;
 935
 936             /* Estimate largest possible required buffer size:
 937                * Chooses the larger of the field or precision
 938                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 939                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 940                  for a decimal, and 1 byte for an additional float digit. */
 941             int x_len = ((flags.FieldLength > flags.Precision) ?
 942                         flags.FieldLength : flags.Precision) + 10;
 943
 944             if( x_len >= sizeof number)
 945                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 946
 947             pf_rebuild_format_string( fmt, &flags );
 948
 949             if( pf_is_double_format( flags.Format ) )
 950             {
 951                 sprintf( x, fmt, va_arg(valist, double) );
 952                 if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
 953                     pf_fixup_exponent( x );
 954             }
 955             else
 956                 sprintf( x, fmt, va_arg(valist, int) );
 957
 958             decimal_point = strchr(x, '.');
 959             if(decimal_point)
 960                 *decimal_point = *locale->locinfo->lconv->decimal_point;
 961
 962             r = pf_output_stringA( out, x, -1 );
 963             if( x != number )
 964                 HeapFree( GetProcessHeap(), 0, x );
 965             if(r < 0)
 966                 return r;
 967         }
 968         else
 969         {
 970             if( valid )
 971             {
 972                 MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
 973                 *MSVCRT__errno() = MSVCRT_EINVAL;
 974                 return -1;
 975             }
 976
 977             continue;
 978         }
 979
 980         if( r<0 )
 981             return r;
 982         p++;
 983     }
 984
 985     /* check we reached the end, and null terminate the string */
 986     assert( *p == 0 );
 987     pf_output_stringW( out, p, 1 );
 988
 989     return out->used - 1;
 990 }
 991
 992 /*********************************************************************
 993  * vsnprintf_internal (INTERNAL)
 994  */
 995 static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
 996         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 997 {
 998     DWORD sz;
 999     LPWSTR formatW = NULL;
1000     pf_output out;
1001     int r;
1002
1003     out.unicode = FALSE;
1004     out.buf.A = str;
1005     out.used = 0;
1006     out.len = len;
1007
1008     sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
1009     formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
1010     MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
1011
1012     r = pf_vsnprintf( &out, formatW, locale, valid, valist );
1013
1014     HeapFree( GetProcessHeap(), 0, formatW );
1015
1016     return r;
1017 }
1018
1019 /*********************************************************************
1020  *              _vsnprintf (MSVCRT.@)
1021  */
1022 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
1023                             const char *format, __ms_va_list valist )
1024 {
1025     return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
1026 }
1027
1028 /*********************************************************************
1029 *               _vsnprintf_l (MSVCRT.@)
1030  */
1031 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
1032                             MSVCRT__locale_t locale, __ms_va_list valist )
1033 {
1034     return vsnprintf_internal(str, len, format, locale, FALSE, valist);
1035 }
1036
1037 /*********************************************************************
1038  *              _vsnprintf_s_l (MSVCRT.@)
1039  */
1040 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
1041         MSVCRT_size_t count, const char *format,
1042         MSVCRT__locale_t locale, __ms_va_list valist )
1043 {
1044     int len, ret;
1045
1046     if(sizeOfBuffer<count+1 || count==-1)
1047         len = sizeOfBuffer;
1048     else
1049         len = count+1;
1050
1051     ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
1052
1053     if(ret<0 || ret==len) {
1054         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1055             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1056             *MSVCRT__errno() = MSVCRT_ERANGE;
1057             memset(str, 0, sizeOfBuffer);
1058         } else
1059             str[len-1] = '\0';
1060
1061         return -1;
1062     }
1063
1064     return ret;
1065 }
1066
1067 /*********************************************************************
1068  *              _vsnprintf_s (MSVCRT.@)
1069  */
1070 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
1071         MSVCRT_size_t count, const char *format, __ms_va_list valist )
1072 {
1073     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
1074 }
1075
1076 /*********************************************************************
1077  *              vsprintf (MSVCRT.@)
1078  */
1079 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
1080 {
1081     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
1082 }
1083
1084 /*********************************************************************
1085  *              vsprintf_s (MSVCRT.@)
1086  */
1087 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
1088 {
1089     return MSVCRT_vsnprintf(str, num, format, valist);
1090 }
1091
1092 /*********************************************************************
1093  *              _vscprintf (MSVCRT.@)
1094  */
1095 int CDECL _vscprintf( const char *format, __ms_va_list valist )
1096 {
1097     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
1098 }
1099
1100 /*********************************************************************
1101  *              _snprintf (MSVCRT.@)
1102  */
1103 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
1104 {
1105     int retval;
1106     __ms_va_list valist;
1107     __ms_va_start(valist, format);
1108     retval = MSVCRT_vsnprintf(str, len, format, valist);
1109     __ms_va_end(valist);
1110     return retval;
1111 }
1112
1113 /*********************************************************************
1114  *              _snprintf_s (MSVCRT.@)
1115  */
1116 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
1117     const char *format, ...)
1118 {
1119     int retval;
1120     __ms_va_list valist;
1121     __ms_va_start(valist, format);
1122     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
1123     __ms_va_end(valist);
1124     return retval;
1125 }
1126
1127 /*********************************************************************
1128  *              _scprintf (MSVCRT.@)
1129  */
1130 int CDECL MSVCRT__scprintf(const char *format, ...)
1131 {
1132     int retval;
1133     __ms_va_list valist;
1134     __ms_va_start(valist, format);
1135     retval = _vscprintf(format, valist);
1136     __ms_va_end(valist);
1137     return retval;
1138 }
1139
1140 /*********************************************************************
1141  * vsnwprintf_internal (INTERNAL)
1142  */
1143 static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1144         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
1145         __ms_va_list valist)
1146 {
1147     pf_output out;
1148
1149     out.unicode = TRUE;
1150     out.buf.W = str;
1151     out.used = 0;
1152     out.len = len;
1153
1154     return pf_vsnprintf( &out, format, locale, valid, valist );
1155 }
1156
1157 /*********************************************************************
1158  *              _vsnwprintf (MSVCRT.@)
1159  */
1160 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1161         const MSVCRT_wchar_t *format, __ms_va_list valist)
1162 {
1163     return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
1164 }
1165
1166 /*********************************************************************
1167  *              _vsnwprintf_l (MSVCRT.@)
1168  */
1169 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1170         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
1171         __ms_va_list valist)
1172 {
1173         return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
1174 }
1175
1176 /*********************************************************************
1177  *              _vsnwprintf_s_l (MSVCRT.@)
1178  */
1179 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1180         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
1181         MSVCRT__locale_t locale, __ms_va_list valist)
1182 {
1183     int len, ret;
1184
1185     len = sizeOfBuffer;
1186     if(count!=-1 && len>count+1)
1187         len = count+1;
1188
1189     ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
1190
1191     if(ret<0 || ret==len) {
1192         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1193             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1194             *MSVCRT__errno() = MSVCRT_ERANGE;
1195             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
1196         } else
1197             str[len-1] = '\0';
1198
1199         return -1;
1200     }
1201
1202     return ret;
1203 }
1204
1205 /*********************************************************************
1206  *              _vsnwprintf_s (MSVCRT.@)
1207  */
1208 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1209         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
1210 {
1211     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
1212             format, NULL, valist);
1213 }
1214
1215 /*********************************************************************
1216  *              _snwprintf (MSVCRT.@)
1217  */
1218 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
1219 {
1220     int retval;
1221     __ms_va_list valist;
1222     __ms_va_start(valist, format);
1223     retval = MSVCRT_vsnwprintf(str, len, format, valist);
1224     __ms_va_end(valist);
1225     return retval;
1226 }
1227
1228 /*********************************************************************
1229  *              _snwprintf_s (MSVCRT.@)
1230  */
1231 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
1232     const MSVCRT_wchar_t *format, ...)
1233 {
1234     int retval;
1235     __ms_va_list valist;
1236     __ms_va_start(valist, format);
1237     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
1238     __ms_va_end(valist);
1239     return retval;
1240 }
1241
1242 /*********************************************************************
1243  *              sprintf (MSVCRT.@)
1244  */
1245 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
1246 {
1247     __ms_va_list ap;
1248     int r;
1249
1250     __ms_va_start( ap, format );
1251     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
1252     __ms_va_end( ap );
1253     return r;
1254 }
1255
1256 /*********************************************************************
1257  *              sprintf_s (MSVCRT.@)
1258  */
1259 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
1260 {
1261     __ms_va_list ap;
1262     int r;
1263
1264     __ms_va_start( ap, format );
1265     r = MSVCRT_vsnprintf( str, num, format, ap );
1266     __ms_va_end( ap );
1267     return r;
1268 }
1269
1270 /*********************************************************************
1271  *              _scwprintf (MSVCRT.@)
1272  */
1273 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
1274 {
1275     __ms_va_list ap;
1276     int r;
1277
1278     __ms_va_start( ap, format );
1279     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
1280     __ms_va_end( ap );
1281     return r;
1282 }
1283
1284 /*********************************************************************
1285  *              swprintf (MSVCRT.@)
1286  */
1287 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
1288 {
1289     __ms_va_list ap;
1290     int r;
1291
1292     __ms_va_start( ap, format );
1293     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
1294     __ms_va_end( ap );
1295     return r;
1296 }
1297
1298 /*********************************************************************
1299  *              swprintf_s (MSVCRT.@)
1300  */
1301 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
1302         const MSVCRT_wchar_t *format, ... )
1303 {
1304     __ms_va_list ap;
1305     int r;
1306
1307     __ms_va_start(ap, format);
1308     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
1309     __ms_va_end(ap);
1310
1311     return r;
1312 }
1313
1314 /*********************************************************************
1315  *              vswprintf (MSVCRT.@)
1316  */
1317 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1318 {
1319     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1320 }
1321
1322 /*********************************************************************
1323  *              _vscwprintf (MSVCRT.@)
1324  */
1325 int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1326 {
1327     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1328 }
1329
1330 /*********************************************************************
1331  *              vswprintf_s (MSVCRT.@)
1332  */
1333 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1334         const MSVCRT_wchar_t* format, __ms_va_list args)
1335 {
1336     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
1337 }
1338
1339 /*********************************************************************
1340  *              _vswprintf_s_l (MSVCRT.@)
1341  */
1342 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1343         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1344 {
1345     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
1346             format, locale, args );
1347 }
1348
1349 /*********************************************************************
1350  *              wcscoll (MSVCRT.@)
1351  */
1352 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1353 {
1354   /* FIXME: handle collates */
1355   return strcmpW( str1, str2 );
1356 }
1357
1358 /*********************************************************************
1359  *              wcspbrk (MSVCRT.@)
1360  */
1361 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1362 {
1363   const MSVCRT_wchar_t* p;
1364   while (*str)
1365   {
1366     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1367       str++;
1368   }
1369   return NULL;
1370 }
1371
1372 /*********************************************************************
1373  *              wcstok  (MSVCRT.@)
1374  */
1375 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1376 {
1377     thread_data_t *data = msvcrt_get_thread_data();
1378     MSVCRT_wchar_t *ret;
1379
1380     if (!str)
1381         if (!(str = data->wcstok_next)) return NULL;
1382
1383     while (*str && strchrW( delim, *str )) str++;
1384     if (!*str) return NULL;
1385     ret = str++;
1386     while (*str && !strchrW( delim, *str )) str++;
1387     if (*str) *str++ = 0;
1388     data->wcstok_next = str;
1389     return ret;
1390 }
1391
1392
1393 /*********************************************************************
1394  *              wctomb (MSVCRT.@)
1395  */
1396 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1397 {
1398   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
1399 }
1400
1401 /*********************************************************************
1402  *              iswalnum (MSVCRT.@)
1403  */
1404 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1405 {
1406     return isalnumW( wc );
1407 }
1408
1409 /*********************************************************************
1410  *              iswalpha (MSVCRT.@)
1411  */
1412 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1413 {
1414     return isalphaW( wc );
1415 }
1416
1417 /*********************************************************************
1418  *              iswalpha_l (MSVCRT.@)
1419  */
1420 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1421 {
1422     return isalphaW( wc );
1423 }
1424
1425 /*********************************************************************
1426  *              iswcntrl (MSVCRT.@)
1427  */
1428 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1429 {
1430     return iscntrlW( wc );
1431 }
1432
1433 /*********************************************************************
1434  *              iswdigit (MSVCRT.@)
1435  */
1436 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1437 {
1438     return isdigitW( wc );
1439 }
1440
1441 /*********************************************************************
1442  *              iswgraph (MSVCRT.@)
1443  */
1444 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1445 {
1446     return isgraphW( wc );
1447 }
1448
1449 /*********************************************************************
1450  *              iswlower (MSVCRT.@)
1451  */
1452 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1453 {
1454     return islowerW( wc );
1455 }
1456
1457 /*********************************************************************
1458  *              iswprint (MSVCRT.@)
1459  */
1460 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1461 {
1462     return isprintW( wc );
1463 }
1464
1465 /*********************************************************************
1466  *              iswpunct (MSVCRT.@)
1467  */
1468 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1469 {
1470     return ispunctW( wc );
1471 }
1472
1473 /*********************************************************************
1474  *              iswspace (MSVCRT.@)
1475  */
1476 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1477 {
1478     return isspaceW( wc );
1479 }
1480
1481 /*********************************************************************
1482  *              iswupper (MSVCRT.@)
1483  */
1484 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1485 {
1486     return isupperW( wc );
1487 }
1488
1489 /*********************************************************************
1490  *              iswxdigit (MSVCRT.@)
1491  */
1492 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1493 {
1494     return isxdigitW( wc );
1495 }
1496
1497 /*********************************************************************
1498  *              wcscpy_s (MSVCRT.@)
1499  */
1500 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1501 {
1502     MSVCRT_size_t size = 0;
1503
1504     if(!wcDest || !numElement)
1505         return MSVCRT_EINVAL;
1506
1507     wcDest[0] = 0;
1508
1509     if(!wcSrc)
1510     {
1511         return MSVCRT_EINVAL;
1512     }
1513
1514     size = strlenW(wcSrc) + 1;
1515
1516     if(size > numElement)
1517     {
1518         return MSVCRT_ERANGE;
1519     }
1520
1521     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1522
1523     return 0;
1524 }
1525
1526 /******************************************************************
1527  *              wcsncpy_s (MSVCRT.@)
1528  */
1529 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1530                             MSVCRT_size_t count )
1531 {
1532     MSVCRT_size_t size = 0;
1533
1534     if (!wcDest || !numElement)
1535         return MSVCRT_EINVAL;
1536
1537     wcDest[0] = 0;
1538
1539     if (!wcSrc)
1540     {
1541         return MSVCRT_EINVAL;
1542     }
1543
1544     size = min(strlenW(wcSrc), count);
1545
1546     if (size >= numElement)
1547     {
1548         return MSVCRT_ERANGE;
1549     }
1550
1551     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1552     wcDest[size] = '\0';
1553
1554     return 0;
1555 }
1556
1557 /******************************************************************
1558  *              wcscat_s (MSVCRT.@)
1559  *
1560  */
1561 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1562 {
1563     MSVCRT_wchar_t* ptr = dst;
1564
1565     if (!dst || elem == 0) return MSVCRT_EINVAL;
1566     if (!src)
1567     {
1568         dst[0] = '\0';
1569         return MSVCRT_EINVAL;
1570     }
1571
1572     /* seek to end of dst string (or elem if no end of string is found */
1573     while (ptr < dst + elem && *ptr != '\0') ptr++;
1574     while (ptr < dst + elem)
1575     {
1576         if ((*ptr++ = *src++) == '\0') return 0;
1577     }
1578     /* not enough space */
1579     dst[0] = '\0';
1580     return MSVCRT_ERANGE;
1581 }
1582
1583 /*********************************************************************
1584  *  wcsncat_s (MSVCRT.@)
1585  *
1586  */
1587 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1588         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1589 {
1590     MSVCRT_size_t srclen;
1591     MSVCRT_wchar_t dststart;
1592     INT ret = 0;
1593
1594     if (src == NULL && count > 0)
1595         return MSVCRT_EINVAL;
1596     if (dst == NULL)
1597         return MSVCRT_EINVAL;
1598     if (elem == 0)
1599         return MSVCRT_EINVAL;
1600     if (count == 0)
1601         return 0;
1602
1603     for (dststart = 0; dststart < elem; dststart++)
1604     {
1605         if (dst[dststart] == '\0')
1606             break;
1607     }
1608     if (dststart == elem)
1609         return MSVCRT_EINVAL;
1610
1611     if (count == MSVCRT__TRUNCATE)
1612     {
1613         srclen = strlenW(src);
1614         if (srclen >= (elem - dststart))
1615         {
1616             srclen = elem - dststart - 1;
1617             ret = MSVCRT_STRUNCATE;
1618         }
1619     }
1620     else
1621         srclen = min(strlenW(src), count);
1622     if (srclen < (elem - dststart))
1623     {
1624         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1625         dst[srclen] = '\0';
1626         return ret;
1627     }
1628     dst[0] = '\0';
1629     return MSVCRT_ERANGE;
1630 }
1631
1632 /*********************************************************************
1633  *  _wcstoi64_l (MSVCRT.@)
1634  *
1635  * FIXME: locale parameter is ignored
1636  */
1637 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1638         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1639 {
1640     BOOL negative = FALSE;
1641     __int64 ret = 0;
1642
1643     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1644
1645     if(!nptr || base<0 || base>36 || base==1) {
1646         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1647         return 0;
1648     }
1649
1650     while(isspaceW(*nptr)) nptr++;
1651
1652     if(*nptr == '-') {
1653         negative = TRUE;
1654         nptr++;
1655     } else if(*nptr == '+')
1656         nptr++;
1657
1658     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1659         base = 16;
1660         nptr += 2;
1661     }
1662
1663     if(base == 0) {
1664         if(*nptr=='0')
1665             base = 8;
1666         else
1667             base = 10;
1668     }
1669
1670     while(*nptr) {
1671         char cur = tolowerW(*nptr);
1672         int v;
1673
1674         if(isdigitW(cur)) {
1675             if(cur >= '0'+base)
1676                 break;
1677             v = cur-'0';
1678         } else {
1679             if(cur<'a' || cur>='a'+base-10)
1680                 break;
1681             v = cur-'a'+10;
1682         }
1683
1684         if(negative)
1685             v = -v;
1686
1687         nptr++;
1688
1689         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1690             ret = MSVCRT_I64_MAX;
1691             *MSVCRT__errno() = MSVCRT_ERANGE;
1692         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1693             ret = MSVCRT_I64_MIN;
1694             *MSVCRT__errno() = MSVCRT_ERANGE;
1695         } else
1696             ret = ret*base + v;
1697     }
1698
1699     if(endptr)
1700         *endptr = (MSVCRT_wchar_t*)nptr;
1701
1702     return ret;
1703 }
1704
1705 /*********************************************************************
1706  *  _wcstoi64 (MSVCRT.@)
1707  */
1708 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1709         MSVCRT_wchar_t **endptr, int base)
1710 {
1711     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1712 }
1713
1714 /*********************************************************************
1715  *  _wcstoui64_l (MSVCRT.@)
1716  *
1717  * FIXME: locale parameter is ignored
1718  */
1719 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1720         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1721 {
1722     BOOL negative = FALSE;
1723     unsigned __int64 ret = 0;
1724
1725     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1726
1727     if(!nptr || base<0 || base>36 || base==1) {
1728         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1729         return 0;
1730     }
1731
1732     while(isspaceW(*nptr)) nptr++;
1733
1734     if(*nptr == '-') {
1735         negative = TRUE;
1736         nptr++;
1737     } else if(*nptr == '+')
1738         nptr++;
1739
1740     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1741         base = 16;
1742         nptr += 2;
1743     }
1744
1745     if(base == 0) {
1746         if(*nptr=='0')
1747             base = 8;
1748         else
1749             base = 10;
1750     }
1751
1752     while(*nptr) {
1753         char cur = tolowerW(*nptr);
1754         int v;
1755
1756         if(isdigit(cur)) {
1757             if(cur >= '0'+base)
1758                 break;
1759             v = *nptr-'0';
1760         } else {
1761             if(cur<'a' || cur>='a'+base-10)
1762                 break;
1763             v = cur-'a'+10;
1764         }
1765
1766         nptr++;
1767
1768         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1769             ret = MSVCRT_UI64_MAX;
1770             *MSVCRT__errno() = MSVCRT_ERANGE;
1771         } else
1772             ret = ret*base + v;
1773     }
1774
1775     if(endptr)
1776         *endptr = (MSVCRT_wchar_t*)nptr;
1777
1778     return negative ? -ret : ret;
1779 }
1780
1781 /*********************************************************************
1782  *  _wcstoui64 (MSVCRT.@)
1783  */
1784 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1785         MSVCRT_wchar_t **endptr, int base)
1786 {
1787     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1788 }
1789
1790 /******************************************************************
1791  *  wcsnlen (MSVCRT.@)
1792  */
1793 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1794 {
1795     MSVCRT_size_t i;
1796
1797     for (i = 0; i < maxlen; i++)
1798         if (!s[i]) break;
1799     return i;
1800 }