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