dlls/msvcrt/wcs.c

   1 /*
   2  * msvcrt.dll wide-char functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <limits.h>
  25 #include <stdio.h>
  26 #include <math.h>
  27 #include <assert.h>
  28 #include "msvcrt.h"
  29 #include "winnls.h"
  30 #include "wine/unicode.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  34
  35
  36 /*********************************************************************
  37  *              _wcsdup (MSVCRT.@)
  38  */
  39 MSVCRT_wchar_t* CDECL _wcsdup( const MSVCRT_wchar_t* str )
  40 {
  41   MSVCRT_wchar_t* ret = NULL;
  42   if (str)
  43   {
  44     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  45     ret = MSVCRT_malloc( size );
  46     if (ret) memcpy( ret, str, size );
  47   }
  48   return ret;
  49 }
  50
  51 /*********************************************************************
  52  *              _wcsicoll (MSVCRT.@)
  53  */
  54 INT CDECL _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  55 {
  56   /* FIXME: handle collates */
  57   return strcmpiW( str1, str2 );
  58 }
  59
  60 /*********************************************************************
  61  *              _wcsnset (MSVCRT.@)
  62  */
  63 MSVCRT_wchar_t* CDECL MSVCRT__wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  64 {
  65   MSVCRT_wchar_t* ret = str;
  66   while ((n-- > 0) && *str) *str++ = c;
  67   return ret;
  68 }
  69
  70 /*********************************************************************
  71  *              _wcsrev (MSVCRT.@)
  72  */
  73 MSVCRT_wchar_t* CDECL _wcsrev( MSVCRT_wchar_t* str )
  74 {
  75   MSVCRT_wchar_t* ret = str;
  76   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
  77   while (end > str)
  78   {
  79     MSVCRT_wchar_t t = *end;
  80     *end--  = *str;
  81     *str++  = t;
  82   }
  83   return ret;
  84 }
  85
  86 /*********************************************************************
  87  *              _wcsset (MSVCRT.@)
  88  */
  89 MSVCRT_wchar_t* CDECL _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
  90 {
  91   MSVCRT_wchar_t* ret = str;
  92   while (*str) *str++ = c;
  93   return ret;
  94 }
  95
  96 /******************************************************************
  97  *              _wcsupr_s (MSVCRT.@)
  98  *
  99  */
 100 INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 101 {
 102   MSVCRT_wchar_t* ptr = str;
 103
 104   if (!str || !n)
 105   {
 106     if (str) *str = '\0';
 107     *MSVCRT__errno() = MSVCRT_EINVAL;
 108     return MSVCRT_EINVAL;
 109   }
 110
 111   while (n--)
 112   {
 113     if (!*ptr) return 0;
 114     *ptr = toupperW(*ptr);
 115     ptr++;
 116   }
 117
 118   /* MSDN claims that the function should return and set errno to
 119    * ERANGE, which doesn't seem to be true based on the tests. */
 120   *str = '\0';
 121   *MSVCRT__errno() = MSVCRT_EINVAL;
 122   return MSVCRT_EINVAL;
 123 }
 124
 125 /*********************************************************************
 126  * _wcstod_l - not exported in native msvcrt
 127  */
 128 double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
 129         MSVCRT__locale_t locale)
 130 {
 131     unsigned __int64 d=0, hlp;
 132     unsigned fpcontrol;
 133     int exp=0, sign=1;
 134     const MSVCRT_wchar_t *p;
 135     double ret;
 136
 137     if(!str) {
 138         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 139         *MSVCRT__errno() = MSVCRT_EINVAL;
 140         return 0;
 141     }
 142
 143     if(!locale)
 144         locale = get_locale();
 145
 146     p = str;
 147     while(isspaceW(*p))
 148         p++;
 149
 150     if(*p == '-') {
 151         sign = -1;
 152         p++;
 153     } else  if(*p == '+')
 154         p++;
 155
 156     while(isdigitW(*p)) {
 157         hlp = d*10+*(p++)-'0';
 158         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 159             exp++;
 160             break;
 161         } else
 162             d = hlp;
 163     }
 164     while(isdigitW(*p)) {
 165         exp++;
 166         p++;
 167     }
 168     if(*p == *locale->locinfo->lconv->decimal_point)
 169         p++;
 170
 171     while(isdigitW(*p)) {
 172         hlp = d*10+*(p++)-'0';
 173         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 174             break;
 175
 176         d = hlp;
 177         exp--;
 178     }
 179     while(isdigitW(*p))
 180         p++;
 181
 182     if(p == str) {
 183         if(end)
 184             *end = (MSVCRT_wchar_t*)str;
 185         return 0.0;
 186     }
 187
 188     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 189         int e=0, s=1;
 190
 191         p++;
 192         if(*p == '-') {
 193             s = -1;
 194             p++;
 195         } else if(*p == '+')
 196             p++;
 197
 198         if(isdigitW(*p)) {
 199             while(isdigitW(*p)) {
 200                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 201                     e = INT_MAX;
 202                 p++;
 203             }
 204             e *= s;
 205
 206             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 207             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 208             else exp += e;
 209         } else {
 210             if(*p=='-' || *p=='+')
 211                 p--;
 212             p--;
 213         }
 214     }
 215
 216     fpcontrol = _control87(0, 0);
 217     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 218             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 219
 220     if(exp>0)
 221         ret = (double)sign*d*pow(10, exp);
 222     else
 223         ret = (double)sign*d/pow(10, -exp);
 224
 225     _control87(fpcontrol, 0xffffffff);
 226
 227     if((d && ret==0.0) || isinf(ret))
 228         *MSVCRT__errno() = MSVCRT_ERANGE;
 229
 230     if(end)
 231         *end = (MSVCRT_wchar_t*)p;
 232
 233     return ret;
 234 }
 235
 236 /*********************************************************************
 237  *              _wcstombs_l (MSVCRT.@)
 238  */
 239 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 240         MSVCRT_size_t count, MSVCRT__locale_t locale)
 241 {
 242     char default_char = '\0';
 243     MSVCRT_size_t tmp = 0;
 244     BOOL used_default;
 245
 246     if(!locale)
 247         locale = get_locale();
 248
 249     if(!mbstr)
 250         return WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 251                 wcstr, -1, NULL, 0, &default_char, &used_default)-1;
 252
 253     while(*wcstr) {
 254         char buf[3];
 255         MSVCRT_size_t i, size;
 256
 257         size = WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 258                 wcstr, 1, buf, 3, &default_char, &used_default);
 259         if(used_default)
 260             return -1;
 261         if(tmp+size > count)
 262             return tmp;
 263
 264         for(i=0; i<size; i++)
 265             mbstr[tmp++] = buf[i];
 266         wcstr++;
 267     }
 268
 269     if(tmp < count)
 270         mbstr[tmp] = '\0';
 271     return tmp;
 272 }
 273
 274 /*********************************************************************
 275  *              wcstombs (MSVCRT.@)
 276  */
 277 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 278         MSVCRT_size_t count)
 279 {
 280     return MSVCRT__wcstombs_l(mbstr, wcstr, count, NULL);
 281 }
 282
 283 /*********************************************************************
 284  *              _wcstombs_s_l (MSVCRT.@)
 285  */
 286 MSVCRT_size_t CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 287         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 288         MSVCRT_size_t count, MSVCRT__locale_t locale)
 289 {
 290     MSVCRT_size_t conv;
 291
 292     if(!mbstr && !size) {
 293         conv = MSVCRT__wcstombs_l(NULL, wcstr, 0, locale);
 294         if(ret)
 295             *ret = conv;
 296         return 0;
 297     }
 298
 299     if(!wcstr || !mbstr) {
 300         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 301         if(mbstr && size)
 302             mbstr[0] = '\0';
 303         *MSVCRT__errno() = MSVCRT_EINVAL;
 304         return MSVCRT_EINVAL;
 305     }
 306
 307     if(count==MSVCRT__TRUNCATE || size<count)
 308         conv = size;
 309     else
 310         conv = count;
 311
 312     conv = MSVCRT__wcstombs_l(mbstr, wcstr, conv, locale);
 313     if(conv<size)
 314         mbstr[conv++] = '\0';
 315     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 316         mbstr[conv-1] = '\0';
 317     else {
 318         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 319         if(size)
 320             mbstr[0] = '\0';
 321         *MSVCRT__errno() = MSVCRT_ERANGE;
 322         return MSVCRT_ERANGE;
 323     }
 324
 325     if(ret)
 326         *ret = conv;
 327     return 0;
 328 }
 329
 330 /*********************************************************************
 331  *              wcstombs_s (MSVCRT.@)
 332  */
 333 MSVCRT_size_t CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 334         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 335 {
 336     return MSVCRT__wcstombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 337 }
 338
 339 /*********************************************************************
 340  *              wcstod (MSVCRT.@)
 341  */
 342 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 343 {
 344     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 345 }
 346
 347 /*********************************************************************
 348  *              _wtof (MSVCRT.@)
 349  */
 350 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 351 {
 352     return MSVCRT__wcstod_l(str, NULL, NULL);
 353 }
 354
 355 /*********************************************************************
 356  *              _wtof_l (MSVCRT.@)
 357  */
 358 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 359 {
 360     return MSVCRT__wcstod_l(str, NULL, locale);
 361 }
 362
 363 typedef struct pf_output_t
 364 {
 365     int used;
 366     int len;
 367     BOOL unicode;
 368     union {
 369         LPWSTR W;
 370         LPSTR  A;
 371     } buf;
 372 } pf_output;
 373
 374 typedef struct pf_flags_t
 375 {
 376     char Sign, LeftAlign, Alternate, PadZero;
 377     int FieldLength, Precision;
 378     char IntegerLength, IntegerDouble;
 379     char WideString;
 380     char Format;
 381 } pf_flags;
 382
 383 /*
 384  * writes a string of characters to the output
 385  * returns -1 if the string doesn't fit in the output buffer
 386  * return the length of the string if all characters were written
 387  */
 388 static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
 389 {
 390     int space = out->len - out->used;
 391
 392     if( len < 0 )
 393         len = strlenW( str );
 394     if( out->unicode )
 395     {
 396         LPWSTR p = out->buf.W + out->used;
 397
 398         if( space >= len )
 399         {
 400             if (out->buf.W) memcpy( p, str, len*sizeof(WCHAR) );
 401             out->used += len;
 402             return len;
 403         }
 404         if( space > 0 && out->buf.W )
 405             memcpy( p, str, space*sizeof(WCHAR) );
 406         out->used += len;
 407     }
 408     else
 409     {
 410         int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
 411         LPSTR p = out->buf.A + out->used;
 412
 413         if( space >= n )
 414         {
 415             if (out->buf.A) WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
 416             out->used += n;
 417             return len;
 418         }
 419         if( space > 0 && out->buf.A )
 420             WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
 421         out->used += n;
 422     }
 423     return -1;
 424 }
 425
 426 static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
 427 {
 428     int space = out->len - out->used;
 429
 430     if( len < 0 )
 431         len = strlen( str );
 432     if( !out->unicode )
 433     {
 434         LPSTR p = out->buf.A + out->used;
 435
 436         if( space >= len )
 437         {
 438             if (out->buf.A) memcpy( p, str, len );
 439             out->used += len;
 440             return len;
 441         }
 442         if( space > 0 && out->buf.A )
 443             memcpy( p, str, space );
 444         out->used += len;
 445     }
 446     else
 447     {
 448         int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
 449         LPWSTR p = out->buf.W + out->used;
 450
 451         if( space >= n )
 452         {
 453             if (out->buf.W) MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
 454             out->used += n;
 455             return len;
 456         }
 457         if( space > 0 && out->buf.W )
 458             MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
 459         out->used += n;
 460     }
 461     return -1;
 462 }
 463
 464 /* pf_fill: takes care of signs, alignment, zero and field padding */
 465 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 466 {
 467     int i, r = 0;
 468
 469     if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 470         flags->Sign = 0;
 471
 472     if( left && flags->Sign )
 473     {
 474         flags->FieldLength--;
 475         if( flags->PadZero )
 476             r = pf_output_stringA( out, &flags->Sign, 1 );
 477     }
 478
 479     if( ( !left &&  flags->LeftAlign ) ||
 480         (  left && !flags->LeftAlign ))
 481     {
 482         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 483         {
 484             if( left && flags->PadZero )
 485                 r = pf_output_stringA( out, "0", 1 );
 486             else
 487                 r = pf_output_stringA( out, " ", 1 );
 488         }
 489     }
 490
 491     if( left && flags->Sign && !flags->PadZero )
 492         r = pf_output_stringA( out, &flags->Sign, 1 );
 493
 494     return r;
 495 }
 496
 497 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 498                                       int len, pf_flags *flags )
 499 {
 500     int r = 0;
 501
 502     if( len < 0 )
 503         len = strlenW( str );
 504
 505     if (flags->Precision >= 0 && flags->Precision < len)
 506         len = flags->Precision;
 507
 508     r = pf_fill( out, len, flags, 1 );
 509
 510     if( r>=0 )
 511         r = pf_output_stringW( out, str, len );
 512
 513     if( r>=0 )
 514         r = pf_fill( out, len, flags, 0 );
 515
 516     return r;
 517 }
 518
 519 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 520                                       int len, pf_flags *flags )
 521 {
 522     int r = 0;
 523
 524     if( len < 0 )
 525         len = strlen( str );
 526
 527     if (flags->Precision >= 0 && flags->Precision < len)
 528         len = flags->Precision;
 529
 530     r = pf_fill( out, len, flags, 1 );
 531
 532     if( r>=0 )
 533         r = pf_output_stringA( out, str, len );
 534
 535     if( r>=0 )
 536         r = pf_fill( out, len, flags, 0 );
 537
 538     return r;
 539 }
 540
 541 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 542                              pf_flags *flags, BOOL capital_letter)
 543 {
 544      if(str == NULL)  /* catch NULL pointer */
 545         return pf_output_format_A( out, "(null)", -1, flags);
 546
 547      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 548     if(flags->WideString || flags->IntegerLength == 'l')
 549         return pf_output_format_W( out, str, len, flags);
 550     if(flags->IntegerLength == 'h')
 551         return pf_output_format_A( out, str, len, flags);
 552
 553     /* %s,%c ->  chars in ansi functions & wchars in unicode
 554      * %S,%C -> wchars in ansi functions &  chars in unicode */
 555     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 556         return pf_output_format_A( out, str, len, flags);
 557     else
 558         return pf_output_format_W( out, str, len, flags);
 559 }
 560
 561 static inline BOOL pf_is_integer_format( char fmt )
 562 {
 563     static const char float_fmts[] = "diouxX";
 564     if (!fmt)
 565         return FALSE;
 566     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 567 }
 568
 569 static inline BOOL pf_is_double_format( char fmt )
 570 {
 571     static const char float_fmts[] = "aeEfgG";
 572     if (!fmt)
 573         return FALSE;
 574     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 575 }
 576
 577 static inline BOOL pf_is_valid_format( char fmt )
 578 {
 579     static const char float_fmts[] = "acCdeEfgGinouxX";
 580     if (!fmt)
 581         return FALSE;
 582     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 583 }
 584
 585 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 586 {
 587     *p++ = '%';
 588     if( flags->Sign )
 589         *p++ = flags->Sign;
 590     if( flags->LeftAlign )
 591         *p++ = flags->LeftAlign;
 592     if( flags->Alternate )
 593         *p++ = flags->Alternate;
 594     if( flags->PadZero )
 595         *p++ = flags->PadZero;
 596     if( flags->FieldLength )
 597     {
 598         sprintf(p, "%d", flags->FieldLength);
 599         p += strlen(p);
 600     }
 601     if( flags->Precision >= 0 )
 602     {
 603         sprintf(p, ".%d", flags->Precision);
 604         p += strlen(p);
 605     }
 606     *p++ = flags->Format;
 607     *p++ = 0;
 608 }
 609
 610 /* pf_integer_conv:  prints x to buf, including alternate formats and
 611    additional precision digits, but not field characters or the sign */
 612 static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
 613                              LONGLONG x )
 614 {
 615     unsigned int base;
 616     const char *digits;
 617
 618     int i, j, k;
 619     char number[40], *tmp = number;
 620
 621     if( buf_len > sizeof number )
 622         tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
 623
 624     base = 10;
 625     if( flags->Format == 'o' )
 626         base = 8;
 627     else if( flags->Format == 'x' || flags->Format == 'X' )
 628         base = 16;
 629
 630     if( flags->Format == 'X' )
 631         digits = "0123456789ABCDEFX";
 632     else
 633         digits = "0123456789abcdefx";
 634
 635     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 636     {
 637         x = -x;
 638         flags->Sign = '-';
 639     }
 640
 641     /* Do conversion (backwards) */
 642     i = 0;
 643     if( x == 0 && flags->Precision )
 644         tmp[i++] = '0';
 645     else
 646         while( x != 0 )
 647         {
 648             j = (ULONGLONG) x % base;
 649             x = (ULONGLONG) x / base;
 650             tmp[i++] = digits[j];
 651         }
 652     k = flags->Precision - i;
 653     while( k-- > 0 )
 654         tmp[i++] = '0';
 655     if( flags->Alternate )
 656     {
 657         if( base == 16 )
 658         {
 659             tmp[i++] = digits[16];
 660             tmp[i++] = '0';
 661         }
 662         else if( base == 8 && tmp[i-1] != '0' )
 663             tmp[i++] = '0';
 664     }
 665
 666     /* Reverse for buf */
 667     j = 0;
 668     while( i-- > 0 )
 669         buf[j++] = tmp[i];
 670     buf[j] = '\0';
 671
 672     /* Adjust precision so pf_fill won't truncate the number later */
 673     flags->Precision = strlen( buf );
 674
 675     if( tmp != number )
 676         HeapFree( GetProcessHeap(), 0, tmp );
 677
 678     return;
 679 }
 680
 681 /* pf_fixup_exponent: convert a string containing a 2 digit exponent
 682    to 3 digits, accounting for padding, in place. Needed to match
 683    the native printf's which always use 3 digits. */
 684 static void pf_fixup_exponent( char *buf )
 685 {
 686     char* tmp = buf;
 687
 688     while (tmp[0] && toupper(tmp[0]) != 'E')
 689         tmp++;
 690
 691     if (tmp[0] && (tmp[1] == '+' || tmp[1] == '-') &&
 692         isdigit(tmp[2]) && isdigit(tmp[3]))
 693     {
 694         char final;
 695
 696         if (isdigit(tmp[4]))
 697             return; /* Exponent already 3 digits */
 698
 699         /* We have a 2 digit exponent. Prepend '0' to make it 3 */
 700         tmp += 2;
 701         final = tmp[2];
 702         tmp[2] = tmp[1];
 703         tmp[1] = tmp[0];
 704         tmp[0] = '0';
 705         if (final == '\0')
 706         {
 707             /* We didn't expand into trailing space, so this string isn't left
 708              * justified. Terminate the string and strip a ' ' at the start of
 709              * the string if there is one (as there may be if the string is
 710              * right justified).
 711              */
 712             tmp[3] = '\0';
 713             if (buf[0] == ' ')
 714                 memmove(buf, buf + 1, (tmp - buf) + 3);
 715         }
 716         /* Otherwise, we expanded into trailing space -> nothing to do */
 717     }
 718 }
 719
 720 /*********************************************************************
 721  *  pf_vsnprintf  (INTERNAL)
 722  *
 723  *  implements both A and W vsnprintf functions
 724  */
 725 static int pf_vsnprintf( pf_output *out, const WCHAR *format,
 726         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 727 {
 728     int r;
 729     LPCWSTR q, p = format;
 730     pf_flags flags;
 731
 732     if(!locale)
 733         locale = get_locale();
 734
 735     TRACE("format is %s\n",debugstr_w(format));
 736     while (*p)
 737     {
 738         q = strchrW( p, '%' );
 739
 740         /* there's no % characters left, output the rest of the string */
 741         if( !q )
 742         {
 743             r = pf_output_stringW(out, p, -1);
 744             if( r<0 )
 745                 return r;
 746             p += r;
 747             continue;
 748         }
 749
 750         /* there's characters before the %, output them */
 751         if( q != p )
 752         {
 753             r = pf_output_stringW(out, p, q - p);
 754             if( r<0 )
 755                 return r;
 756             p = q;
 757         }
 758
 759         /* we must be at a % now, skip over it */
 760         assert( *p == '%' );
 761         p++;
 762
 763         /* output a single % character */
 764         if( *p == '%' )
 765         {
 766             r = pf_output_stringW(out, p++, 1);
 767             if( r<0 )
 768                 return r;
 769             continue;
 770         }
 771
 772         /* parse the flags */
 773         memset( &flags, 0, sizeof flags );
 774         while (*p)
 775         {
 776             if( *p == '+' || *p == ' ' )
 777             {
 778                 if ( flags.Sign != '+' )
 779                     flags.Sign = *p;
 780             }
 781             else if( *p == '-' )
 782                 flags.LeftAlign = *p;
 783             else if( *p == '0' )
 784                 flags.PadZero = *p;
 785             else if( *p == '#' )
 786                 flags.Alternate = *p;
 787             else
 788                 break;
 789             p++;
 790         }
 791
 792         /* deal with the field width specifier */
 793         flags.FieldLength = 0;
 794         if( *p == '*' )
 795         {
 796             flags.FieldLength = va_arg( valist, int );
 797             if (flags.FieldLength < 0)
 798             {
 799                 flags.LeftAlign = '-';
 800                 flags.FieldLength = -flags.FieldLength;
 801             }
 802             p++;
 803         }
 804         else while( isdigit(*p) )
 805         {
 806             flags.FieldLength *= 10;
 807             flags.FieldLength += *p++ - '0';
 808         }
 809
 810         /* deal with precision */
 811         flags.Precision = -1;
 812         if( *p == '.' )
 813         {
 814             flags.Precision = 0;
 815             p++;
 816             if( *p == '*' )
 817             {
 818                 flags.Precision = va_arg( valist, int );
 819                 p++;
 820             }
 821             else while( isdigit(*p) )
 822             {
 823                 flags.Precision *= 10;
 824                 flags.Precision += *p++ - '0';
 825             }
 826         }
 827
 828         /* deal with integer width modifier */
 829         while( *p )
 830         {
 831             if( *p == 'h' || *p == 'l' || *p == 'L' )
 832             {
 833                 flags.IntegerLength = *p;
 834                 p++;
 835             }
 836             else if( *p == 'I' )
 837             {
 838                 if( *(p+1) == '6' && *(p+2) == '4' )
 839                 {
 840                     flags.IntegerDouble++;
 841                     p += 3;
 842                 }
 843                 else if( *(p+1) == '3' && *(p+2) == '2' )
 844                     p += 3;
 845                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 846                     break;
 847                 else
 848                     p++;
 849             }
 850             else if( *p == 'w' )
 851                 flags.WideString = *p++;
 852             else if( *p == 'F' )
 853                 p++; /* ignore */
 854             else
 855                 break;
 856         }
 857
 858         flags.Format = *p;
 859         r = 0;
 860
 861         if (flags.Format == '$')
 862         {
 863             FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
 864             return -1;
 865         }
 866         /* output a string */
 867         if(  flags.Format == 's' || flags.Format == 'S' )
 868             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 869                                          &flags, (flags.Format == 'S') );
 870
 871         /* output a single character */
 872         else if( flags.Format == 'c' || flags.Format == 'C' )
 873         {
 874             INT ch = va_arg( valist, int );
 875
 876             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 877         }
 878
 879         /* output a pointer */
 880         else if( flags.Format == 'p' )
 881         {
 882             char pointer[32];
 883             void *ptr = va_arg( valist, void * );
 884
 885             flags.PadZero = 0;
 886             if( flags.Alternate )
 887                 sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 888             else
 889                 sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 890             r = pf_output_format_A( out, pointer, -1, &flags );
 891         }
 892
 893         /* deal with %n */
 894         else if( flags.Format == 'n' )
 895         {
 896             int *x = va_arg(valist, int *);
 897             *x = out->used;
 898         }
 899
 900         /* deal with 64-bit integers */
 901         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 902         {
 903             char number[40], *x = number;
 904
 905             /* Estimate largest possible required buffer size:
 906                * Chooses the larger of the field or precision
 907                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 908                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 909                  for a decimal, and 1 byte for an additional float digit. */
 910             int x_len = ((flags.FieldLength > flags.Precision) ?
 911                         flags.FieldLength : flags.Precision) + 10;
 912
 913             if( x_len >= sizeof number)
 914                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 915
 916             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
 917
 918             r = pf_output_format_A( out, x, -1, &flags );
 919             if( x != number )
 920                 HeapFree( GetProcessHeap(), 0, x );
 921         }
 922
 923         /* deal with integers and floats using libc's printf */
 924         else if( pf_is_valid_format( flags.Format ) )
 925         {
 926             char fmt[20], number[40], *x = number, *decimal_point;
 927
 928             /* Estimate largest possible required buffer size:
 929                * Chooses the larger of the field or precision
 930                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 931                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 932                  for a decimal, and 1 byte for an additional float digit. */
 933             int x_len = ((flags.FieldLength > flags.Precision) ?
 934                         flags.FieldLength : flags.Precision) + 10;
 935
 936             if( x_len >= sizeof number)
 937                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 938
 939             pf_rebuild_format_string( fmt, &flags );
 940
 941             if( pf_is_double_format( flags.Format ) )
 942             {
 943                 sprintf( x, fmt, va_arg(valist, double) );
 944                 if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
 945                     pf_fixup_exponent( x );
 946             }
 947             else
 948                 sprintf( x, fmt, va_arg(valist, int) );
 949
 950             decimal_point = strchr(x, '.');
 951             if(decimal_point)
 952                 *decimal_point = *locale->locinfo->lconv->decimal_point;
 953
 954             r = pf_output_stringA( out, x, -1 );
 955             if( x != number )
 956                 HeapFree( GetProcessHeap(), 0, x );
 957             if(r < 0)
 958                 return r;
 959         }
 960         else
 961         {
 962             if( valid )
 963             {
 964                 MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
 965                 *MSVCRT__errno() = MSVCRT_EINVAL;
 966                 return -1;
 967             }
 968
 969             continue;
 970         }
 971
 972         if( r<0 )
 973             return r;
 974         p++;
 975     }
 976
 977     /* check we reached the end, and null terminate the string */
 978     assert( *p == 0 );
 979     pf_output_stringW( out, p, 1 );
 980
 981     return out->used - 1;
 982 }
 983
 984 /*********************************************************************
 985  * vsnprintf_internal (INTERNAL)
 986  */
 987 static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
 988         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 989 {
 990     DWORD sz;
 991     LPWSTR formatW = NULL;
 992     pf_output out;
 993     int r;
 994
 995     out.unicode = FALSE;
 996     out.buf.A = str;
 997     out.used = 0;
 998     out.len = len;
 999
1000     sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
1001     formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
1002     MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
1003
1004     r = pf_vsnprintf( &out, formatW, locale, valid, valist );
1005
1006     HeapFree( GetProcessHeap(), 0, formatW );
1007
1008     return r;
1009 }
1010
1011 /*********************************************************************
1012  *              _vsnprintf (MSVCRT.@)
1013  */
1014 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
1015                             const char *format, __ms_va_list valist )
1016 {
1017     return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
1018 }
1019
1020 /*********************************************************************
1021 *               _vsnprintf_l (MSVCRT.@)
1022  */
1023 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
1024                             MSVCRT__locale_t locale, __ms_va_list valist )
1025 {
1026     return vsnprintf_internal(str, len, format, locale, FALSE, valist);
1027 }
1028
1029 /*********************************************************************
1030  *              _vsnprintf_s_l (MSVCRT.@)
1031  */
1032 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
1033         MSVCRT_size_t count, const char *format,
1034         MSVCRT__locale_t locale, __ms_va_list valist )
1035 {
1036     int len, ret;
1037
1038     if(sizeOfBuffer<count+1 || count==-1)
1039         len = sizeOfBuffer;
1040     else
1041         len = count+1;
1042
1043     ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
1044
1045     if(ret<0 || ret==len) {
1046         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1047             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1048             *MSVCRT__errno() = MSVCRT_ERANGE;
1049             memset(str, 0, sizeOfBuffer);
1050         } else
1051             str[len-1] = '\0';
1052
1053         return -1;
1054     }
1055
1056     return ret;
1057 }
1058
1059 /*********************************************************************
1060  *              _vsnprintf_s (MSVCRT.@)
1061  */
1062 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
1063         MSVCRT_size_t count, const char *format, __ms_va_list valist )
1064 {
1065     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
1066 }
1067
1068 /*********************************************************************
1069  *              vsprintf (MSVCRT.@)
1070  */
1071 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
1072 {
1073     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
1074 }
1075
1076 /*********************************************************************
1077  *              vsprintf_s (MSVCRT.@)
1078  */
1079 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
1080 {
1081     return MSVCRT_vsnprintf(str, num, format, valist);
1082 }
1083
1084 /*********************************************************************
1085  *              _vscprintf (MSVCRT.@)
1086  */
1087 int CDECL _vscprintf( const char *format, __ms_va_list valist )
1088 {
1089     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
1090 }
1091
1092 /*********************************************************************
1093  *              _snprintf (MSVCRT.@)
1094  */
1095 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
1096 {
1097     int retval;
1098     __ms_va_list valist;
1099     __ms_va_start(valist, format);
1100     retval = MSVCRT_vsnprintf(str, len, format, valist);
1101     __ms_va_end(valist);
1102     return retval;
1103 }
1104
1105 /*********************************************************************
1106  *              _snprintf_s (MSVCRT.@)
1107  */
1108 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
1109     const char *format, ...)
1110 {
1111     int retval;
1112     __ms_va_list valist;
1113     __ms_va_start(valist, format);
1114     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
1115     __ms_va_end(valist);
1116     return retval;
1117 }
1118
1119 /*********************************************************************
1120  * vsnwprintf_internal (INTERNAL)
1121  */
1122 static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1123         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
1124         __ms_va_list valist)
1125 {
1126     pf_output out;
1127
1128     out.unicode = TRUE;
1129     out.buf.W = str;
1130     out.used = 0;
1131     out.len = len;
1132
1133     return pf_vsnprintf( &out, format, locale, valid, valist );
1134 }
1135
1136 /*********************************************************************
1137  *              _vsnwprintf (MSVCRT.@)
1138  */
1139 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1140         const MSVCRT_wchar_t *format, __ms_va_list valist)
1141 {
1142     return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
1143 }
1144
1145 /*********************************************************************
1146  *              _vsnwprintf_l (MSVCRT.@)
1147  */
1148 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1149         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
1150         __ms_va_list valist)
1151 {
1152         return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
1153 }
1154
1155 /*********************************************************************
1156  *              _vsnwprintf_s_l (MSVCRT.@)
1157  */
1158 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1159         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
1160         MSVCRT__locale_t locale, __ms_va_list valist)
1161 {
1162     int len, ret;
1163
1164     len = sizeOfBuffer;
1165     if(count!=-1 && len>count+1)
1166         len = count+1;
1167
1168     ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
1169
1170     if(ret<0 || ret==len) {
1171         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1172             MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1173             *MSVCRT__errno() = MSVCRT_ERANGE;
1174             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
1175         } else
1176             str[len-1] = '\0';
1177
1178         return -1;
1179     }
1180
1181     return ret;
1182 }
1183
1184 /*********************************************************************
1185  *              _vsnwprintf_s (MSVCRT.@)
1186  */
1187 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1188         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
1189 {
1190     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
1191             format, NULL, valist);
1192 }
1193
1194 /*********************************************************************
1195  *              _snwprintf (MSVCRT.@)
1196  */
1197 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
1198 {
1199     int retval;
1200     __ms_va_list valist;
1201     __ms_va_start(valist, format);
1202     retval = MSVCRT_vsnwprintf(str, len, format, valist);
1203     __ms_va_end(valist);
1204     return retval;
1205 }
1206
1207 /*********************************************************************
1208  *              _snwprintf_s (MSVCRT.@)
1209  */
1210 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
1211     const MSVCRT_wchar_t *format, ...)
1212 {
1213     int retval;
1214     __ms_va_list valist;
1215     __ms_va_start(valist, format);
1216     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
1217     __ms_va_end(valist);
1218     return retval;
1219 }
1220
1221 /*********************************************************************
1222  *              sprintf (MSVCRT.@)
1223  */
1224 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
1225 {
1226     __ms_va_list ap;
1227     int r;
1228
1229     __ms_va_start( ap, format );
1230     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
1231     __ms_va_end( ap );
1232     return r;
1233 }
1234
1235 /*********************************************************************
1236  *              sprintf_s (MSVCRT.@)
1237  */
1238 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
1239 {
1240     __ms_va_list ap;
1241     int r;
1242
1243     __ms_va_start( ap, format );
1244     r = MSVCRT_vsnprintf( str, num, format, ap );
1245     __ms_va_end( ap );
1246     return r;
1247 }
1248
1249 /*********************************************************************
1250  *              _scwprintf (MSVCRT.@)
1251  */
1252 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
1253 {
1254     __ms_va_list ap;
1255     int r;
1256
1257     __ms_va_start( ap, format );
1258     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
1259     __ms_va_end( ap );
1260     return r;
1261 }
1262
1263 /*********************************************************************
1264  *              swprintf (MSVCRT.@)
1265  */
1266 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
1267 {
1268     __ms_va_list ap;
1269     int r;
1270
1271     __ms_va_start( ap, format );
1272     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
1273     __ms_va_end( ap );
1274     return r;
1275 }
1276
1277 /*********************************************************************
1278  *              swprintf_s (MSVCRT.@)
1279  */
1280 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
1281         const MSVCRT_wchar_t *format, ... )
1282 {
1283     __ms_va_list ap;
1284     int r;
1285
1286     __ms_va_start(ap, format);
1287     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
1288     __ms_va_end(ap);
1289
1290     return r;
1291 }
1292
1293 /*********************************************************************
1294  *              vswprintf (MSVCRT.@)
1295  */
1296 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1297 {
1298     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1299 }
1300
1301 /*********************************************************************
1302  *              _vscwprintf (MSVCRT.@)
1303  */
1304 int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1305 {
1306     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1307 }
1308
1309 /*********************************************************************
1310  *              vswprintf_s (MSVCRT.@)
1311  */
1312 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1313         const MSVCRT_wchar_t* format, __ms_va_list args)
1314 {
1315     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
1316 }
1317
1318 /*********************************************************************
1319  *              _vswprintf_s_l (MSVCRT.@)
1320  */
1321 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1322         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1323 {
1324     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
1325             format, locale, args );
1326 }
1327
1328 /*********************************************************************
1329  *              wcscoll (MSVCRT.@)
1330  */
1331 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1332 {
1333   /* FIXME: handle collates */
1334   return strcmpW( str1, str2 );
1335 }
1336
1337 /*********************************************************************
1338  *              wcspbrk (MSVCRT.@)
1339  */
1340 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1341 {
1342   const MSVCRT_wchar_t* p;
1343   while (*str)
1344   {
1345     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1346       str++;
1347   }
1348   return NULL;
1349 }
1350
1351 /*********************************************************************
1352  *              wcstok  (MSVCRT.@)
1353  */
1354 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1355 {
1356     thread_data_t *data = msvcrt_get_thread_data();
1357     MSVCRT_wchar_t *ret;
1358
1359     if (!str)
1360         if (!(str = data->wcstok_next)) return NULL;
1361
1362     while (*str && strchrW( delim, *str )) str++;
1363     if (!*str) return NULL;
1364     ret = str++;
1365     while (*str && !strchrW( delim, *str )) str++;
1366     if (*str) *str++ = 0;
1367     data->wcstok_next = str;
1368     return ret;
1369 }
1370
1371
1372 /*********************************************************************
1373  *              wctomb (MSVCRT.@)
1374  */
1375 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1376 {
1377   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
1378 }
1379
1380 /*********************************************************************
1381  *              iswalnum (MSVCRT.@)
1382  */
1383 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1384 {
1385     return isalnumW( wc );
1386 }
1387
1388 /*********************************************************************
1389  *              iswalpha (MSVCRT.@)
1390  */
1391 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1392 {
1393     return isalphaW( wc );
1394 }
1395
1396 /*********************************************************************
1397  *              iswalpha_l (MSVCRT.@)
1398  */
1399 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1400 {
1401     return isalphaW( wc );
1402 }
1403
1404 /*********************************************************************
1405  *              iswcntrl (MSVCRT.@)
1406  */
1407 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1408 {
1409     return iscntrlW( wc );
1410 }
1411
1412 /*********************************************************************
1413  *              iswdigit (MSVCRT.@)
1414  */
1415 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1416 {
1417     return isdigitW( wc );
1418 }
1419
1420 /*********************************************************************
1421  *              iswgraph (MSVCRT.@)
1422  */
1423 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1424 {
1425     return isgraphW( wc );
1426 }
1427
1428 /*********************************************************************
1429  *              iswlower (MSVCRT.@)
1430  */
1431 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1432 {
1433     return islowerW( wc );
1434 }
1435
1436 /*********************************************************************
1437  *              iswprint (MSVCRT.@)
1438  */
1439 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1440 {
1441     return isprintW( wc );
1442 }
1443
1444 /*********************************************************************
1445  *              iswpunct (MSVCRT.@)
1446  */
1447 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1448 {
1449     return ispunctW( wc );
1450 }
1451
1452 /*********************************************************************
1453  *              iswspace (MSVCRT.@)
1454  */
1455 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1456 {
1457     return isspaceW( wc );
1458 }
1459
1460 /*********************************************************************
1461  *              iswupper (MSVCRT.@)
1462  */
1463 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1464 {
1465     return isupperW( wc );
1466 }
1467
1468 /*********************************************************************
1469  *              iswxdigit (MSVCRT.@)
1470  */
1471 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1472 {
1473     return isxdigitW( wc );
1474 }
1475
1476 /*********************************************************************
1477  *              wcscpy_s (MSVCRT.@)
1478  */
1479 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1480 {
1481     MSVCRT_size_t size = 0;
1482
1483     if(!wcDest || !numElement)
1484         return MSVCRT_EINVAL;
1485
1486     wcDest[0] = 0;
1487
1488     if(!wcSrc)
1489     {
1490         return MSVCRT_EINVAL;
1491     }
1492
1493     size = strlenW(wcSrc) + 1;
1494
1495     if(size > numElement)
1496     {
1497         return MSVCRT_ERANGE;
1498     }
1499
1500     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1501
1502     return 0;
1503 }
1504
1505 /******************************************************************
1506  *              wcsncpy_s (MSVCRT.@)
1507  */
1508 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1509                             MSVCRT_size_t count )
1510 {
1511     MSVCRT_size_t size = 0;
1512
1513     if (!wcDest || !numElement)
1514         return MSVCRT_EINVAL;
1515
1516     wcDest[0] = 0;
1517
1518     if (!wcSrc)
1519     {
1520         return MSVCRT_EINVAL;
1521     }
1522
1523     size = min(strlenW(wcSrc), count);
1524
1525     if (size >= numElement)
1526     {
1527         return MSVCRT_ERANGE;
1528     }
1529
1530     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1531     wcDest[size] = '\0';
1532
1533     return 0;
1534 }
1535
1536 /******************************************************************
1537  *              wcscat_s (MSVCRT.@)
1538  *
1539  */
1540 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1541 {
1542     MSVCRT_wchar_t* ptr = dst;
1543
1544     if (!dst || elem == 0) return MSVCRT_EINVAL;
1545     if (!src)
1546     {
1547         dst[0] = '\0';
1548         return MSVCRT_EINVAL;
1549     }
1550
1551     /* seek to end of dst string (or elem if no end of string is found */
1552     while (ptr < dst + elem && *ptr != '\0') ptr++;
1553     while (ptr < dst + elem)
1554     {
1555         if ((*ptr++ = *src++) == '\0') return 0;
1556     }
1557     /* not enough space */
1558     dst[0] = '\0';
1559     return MSVCRT_ERANGE;
1560 }
1561
1562 /*********************************************************************
1563  *  _wcstoi64_l (MSVCRT.@)
1564  *
1565  * FIXME: locale parameter is ignored
1566  */
1567 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1568         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1569 {
1570     BOOL negative = FALSE;
1571     __int64 ret = 0;
1572
1573     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1574
1575     if(!nptr || base<0 || base>36 || base==1) {
1576         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1577         return 0;
1578     }
1579
1580     while(isspaceW(*nptr)) nptr++;
1581
1582     if(*nptr == '-') {
1583         negative = TRUE;
1584         nptr++;
1585     } else if(*nptr == '+')
1586         nptr++;
1587
1588     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1589         base = 16;
1590         nptr += 2;
1591     }
1592
1593     if(base == 0) {
1594         if(*nptr=='0')
1595             base = 8;
1596         else
1597             base = 10;
1598     }
1599
1600     while(*nptr) {
1601         char cur = tolowerW(*nptr);
1602         int v;
1603
1604         if(isdigitW(cur)) {
1605             if(cur >= '0'+base)
1606                 break;
1607             v = cur-'0';
1608         } else {
1609             if(cur<'a' || cur>='a'+base-10)
1610                 break;
1611             v = cur-'a'+10;
1612         }
1613
1614         if(negative)
1615             v = -v;
1616
1617         nptr++;
1618
1619         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1620             ret = MSVCRT_I64_MAX;
1621             *MSVCRT__errno() = MSVCRT_ERANGE;
1622         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1623             ret = MSVCRT_I64_MIN;
1624             *MSVCRT__errno() = MSVCRT_ERANGE;
1625         } else
1626             ret = ret*base + v;
1627     }
1628
1629     if(endptr)
1630         *endptr = (MSVCRT_wchar_t*)nptr;
1631
1632     return ret;
1633 }
1634
1635 /*********************************************************************
1636  *  _wcstoi64 (MSVCRT.@)
1637  */
1638 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1639         MSVCRT_wchar_t **endptr, int base)
1640 {
1641     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1642 }
1643
1644 /*********************************************************************
1645  *  _wcstoui64_l (MSVCRT.@)
1646  *
1647  * FIXME: locale parameter is ignored
1648  */
1649 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1650         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1651 {
1652     BOOL negative = FALSE;
1653     unsigned __int64 ret = 0;
1654
1655     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1656
1657     if(!nptr || base<0 || base>36 || base==1) {
1658         MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1659         return 0;
1660     }
1661
1662     while(isspaceW(*nptr)) nptr++;
1663
1664     if(*nptr == '-') {
1665         negative = TRUE;
1666         nptr++;
1667     } else if(*nptr == '+')
1668         nptr++;
1669
1670     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1671         base = 16;
1672         nptr += 2;
1673     }
1674
1675     if(base == 0) {
1676         if(*nptr=='0')
1677             base = 8;
1678         else
1679             base = 10;
1680     }
1681
1682     while(*nptr) {
1683         char cur = tolowerW(*nptr);
1684         int v;
1685
1686         if(isdigit(cur)) {
1687             if(cur >= '0'+base)
1688                 break;
1689             v = *nptr-'0';
1690         } else {
1691             if(cur<'a' || cur>='a'+base-10)
1692                 break;
1693             v = cur-'a'+10;
1694         }
1695
1696         nptr++;
1697
1698         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1699             ret = MSVCRT_UI64_MAX;
1700             *MSVCRT__errno() = MSVCRT_ERANGE;
1701         } else
1702             ret = ret*base + v;
1703     }
1704
1705     if(endptr)
1706         *endptr = (MSVCRT_wchar_t*)nptr;
1707
1708     return negative ? -ret : ret;
1709 }
1710
1711 /*********************************************************************
1712  *  _wcstoui64 (MSVCRT.@)
1713  */
1714 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1715         MSVCRT_wchar_t **endptr, int base)
1716 {
1717     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1718 }