dlls/msvcrt/wcs.c

   1 /*
   2  * msvcrt.dll wide-char functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <limits.h>
  25 #include <stdio.h>
  26 #include <math.h>
  27 #include <assert.h>
  28 #include "msvcrt.h"
  29 #include "winnls.h"
  30 #include "wine/unicode.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  34
  35
  36 /*********************************************************************
  37  *              _wcsdup (MSVCRT.@)
  38  */
  39 MSVCRT_wchar_t* CDECL _wcsdup( const MSVCRT_wchar_t* str )
  40 {
  41   MSVCRT_wchar_t* ret = NULL;
  42   if (str)
  43   {
  44     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  45     ret = MSVCRT_malloc( size );
  46     if (ret) memcpy( ret, str, size );
  47   }
  48   return ret;
  49 }
  50
  51 /*********************************************************************
  52  *              _wcsicoll (MSVCRT.@)
  53  */
  54 INT CDECL _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  55 {
  56   /* FIXME: handle collates */
  57   return strcmpiW( str1, str2 );
  58 }
  59
  60 /*********************************************************************
  61  *              _wcsnset (MSVCRT.@)
  62  */
  63 MSVCRT_wchar_t* CDECL MSVCRT__wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  64 {
  65   MSVCRT_wchar_t* ret = str;
  66   while ((n-- > 0) && *str) *str++ = c;
  67   return ret;
  68 }
  69
  70 /*********************************************************************
  71  *              _wcsrev (MSVCRT.@)
  72  */
  73 MSVCRT_wchar_t* CDECL _wcsrev( MSVCRT_wchar_t* str )
  74 {
  75   MSVCRT_wchar_t* ret = str;
  76   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
  77   while (end > str)
  78   {
  79     MSVCRT_wchar_t t = *end;
  80     *end--  = *str;
  81     *str++  = t;
  82   }
  83   return ret;
  84 }
  85
  86 /*********************************************************************
  87  *              _wcsset (MSVCRT.@)
  88  */
  89 MSVCRT_wchar_t* CDECL _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
  90 {
  91   MSVCRT_wchar_t* ret = str;
  92   while (*str) *str++ = c;
  93   return ret;
  94 }
  95
  96 /******************************************************************
  97  *              _wcsupr_s (MSVCRT.@)
  98  *
  99  */
 100 INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 101 {
 102   MSVCRT_wchar_t* ptr = str;
 103
 104   if (!str || !n)
 105   {
 106     if (str) *str = '\0';
 107     *MSVCRT__errno() = MSVCRT_EINVAL;
 108     return MSVCRT_EINVAL;
 109   }
 110
 111   while (n--)
 112   {
 113     if (!*ptr) return 0;
 114     *ptr = toupperW(*ptr);
 115     ptr++;
 116   }
 117
 118   /* MSDN claims that the function should return and set errno to
 119    * ERANGE, which doesn't seem to be true based on the tests. */
 120   *str = '\0';
 121   *MSVCRT__errno() = MSVCRT_EINVAL;
 122   return MSVCRT_EINVAL;
 123 }
 124
 125 /*********************************************************************
 126  * _wcstod_l - not exported in native msvcrt
 127  */
 128 double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
 129         MSVCRT__locale_t locale)
 130 {
 131     unsigned __int64 d=0, hlp;
 132     unsigned fpcontrol;
 133     int exp=0, sign=1;
 134     const MSVCRT_wchar_t *p;
 135     double ret;
 136     BOOL found_digit = FALSE;
 137
 138     if (!MSVCRT_CHECK_PMT(str != NULL)) {
 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         found_digit = TRUE;
 158         hlp = d*10+*(p++)-'0';
 159         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 160             exp++;
 161             break;
 162         } else
 163             d = hlp;
 164     }
 165     while(isdigitW(*p)) {
 166         exp++;
 167         p++;
 168     }
 169     if(*p == *locale->locinfo->lconv->decimal_point)
 170         p++;
 171
 172     while(isdigitW(*p)) {
 173         found_digit = TRUE;
 174         hlp = d*10+*(p++)-'0';
 175         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 176             break;
 177
 178         d = hlp;
 179         exp--;
 180     }
 181     while(isdigitW(*p))
 182         p++;
 183
 184     if(!found_digit) {
 185         if(end)
 186             *end = (MSVCRT_wchar_t*)str;
 187         return 0.0;
 188     }
 189
 190     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 191         int e=0, s=1;
 192
 193         p++;
 194         if(*p == '-') {
 195             s = -1;
 196             p++;
 197         } else if(*p == '+')
 198             p++;
 199
 200         if(isdigitW(*p)) {
 201             while(isdigitW(*p)) {
 202                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 203                     e = INT_MAX;
 204                 p++;
 205             }
 206             e *= s;
 207
 208             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 209             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 210             else exp += e;
 211         } else {
 212             if(*p=='-' || *p=='+')
 213                 p--;
 214             p--;
 215         }
 216     }
 217
 218     fpcontrol = _control87(0, 0);
 219     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 220             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 221
 222     if(exp>0)
 223         ret = (double)sign*d*pow(10, exp);
 224     else
 225         ret = (double)sign*d/pow(10, -exp);
 226
 227     _control87(fpcontrol, 0xffffffff);
 228
 229     if((d && ret==0.0) || isinf(ret))
 230         *MSVCRT__errno() = MSVCRT_ERANGE;
 231
 232     if(end)
 233         *end = (MSVCRT_wchar_t*)p;
 234
 235     return ret;
 236 }
 237
 238 /*********************************************************************
 239  *              _wcstombs_l (MSVCRT.@)
 240  */
 241 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 242         MSVCRT_size_t count, MSVCRT__locale_t locale)
 243 {
 244     char default_char = '\0';
 245     MSVCRT_size_t tmp = 0;
 246     BOOL used_default;
 247
 248     if(!locale)
 249         locale = get_locale();
 250
 251     if(!mbstr)
 252         return WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 253                 wcstr, -1, NULL, 0, &default_char, &used_default)-1;
 254
 255     while(*wcstr) {
 256         char buf[3];
 257         MSVCRT_size_t i, size;
 258
 259         size = WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 260                 wcstr, 1, buf, 3, &default_char, &used_default);
 261         if(used_default)
 262             return -1;
 263         if(tmp+size > count)
 264             return tmp;
 265
 266         for(i=0; i<size; i++)
 267             mbstr[tmp++] = buf[i];
 268         wcstr++;
 269     }
 270
 271     if(tmp < count)
 272         mbstr[tmp] = '\0';
 273     return tmp;
 274 }
 275
 276 /*********************************************************************
 277  *              wcstombs (MSVCRT.@)
 278  */
 279 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 280         MSVCRT_size_t count)
 281 {
 282     return MSVCRT__wcstombs_l(mbstr, wcstr, count, NULL);
 283 }
 284
 285 /*********************************************************************
 286  *              _wcstombs_s_l (MSVCRT.@)
 287  */
 288 MSVCRT_size_t CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 289         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 290         MSVCRT_size_t count, MSVCRT__locale_t locale)
 291 {
 292     MSVCRT_size_t conv;
 293
 294     if(!mbstr && !size) {
 295         conv = MSVCRT__wcstombs_l(NULL, wcstr, 0, locale);
 296         if(ret)
 297             *ret = conv;
 298         return 0;
 299     }
 300
 301     if (!MSVCRT_CHECK_PMT(wcstr != NULL) || !MSVCRT_CHECK_PMT(mbstr != NULL)) {
 302         if(mbstr && size)
 303             mbstr[0] = '\0';
 304         *MSVCRT__errno() = MSVCRT_EINVAL;
 305         return MSVCRT_EINVAL;
 306     }
 307
 308     if(count==MSVCRT__TRUNCATE || size<count)
 309         conv = size;
 310     else
 311         conv = count;
 312
 313     conv = MSVCRT__wcstombs_l(mbstr, wcstr, conv, locale);
 314     if(conv<size)
 315         mbstr[conv++] = '\0';
 316     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 317         mbstr[conv-1] = '\0';
 318     else {
 319         MSVCRT_INVALID_PMT("mbstr[size] is too small");
 320         if(size)
 321             mbstr[0] = '\0';
 322         *MSVCRT__errno() = MSVCRT_ERANGE;
 323         return MSVCRT_ERANGE;
 324     }
 325
 326     if(ret)
 327         *ret = conv;
 328     return 0;
 329 }
 330
 331 /*********************************************************************
 332  *              wcstombs_s (MSVCRT.@)
 333  */
 334 MSVCRT_size_t CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 335         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 336 {
 337     return MSVCRT__wcstombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 338 }
 339
 340 /*********************************************************************
 341  *              wcstod (MSVCRT.@)
 342  */
 343 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 344 {
 345     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 346 }
 347
 348 /*********************************************************************
 349  *              _wtof (MSVCRT.@)
 350  */
 351 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 352 {
 353     return MSVCRT__wcstod_l(str, NULL, NULL);
 354 }
 355
 356 /*********************************************************************
 357  *              _wtof_l (MSVCRT.@)
 358  */
 359 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 360 {
 361     return MSVCRT__wcstod_l(str, NULL, locale);
 362 }
 363
 364 typedef struct pf_flags_t
 365 {
 366     char Sign, LeftAlign, Alternate, PadZero;
 367     int FieldLength, Precision;
 368     char IntegerLength, IntegerDouble;
 369     char WideString;
 370     char Format;
 371 } pf_flags;
 372
 373 static inline BOOL pf_is_auto_grow(pf_output *out)
 374 {
 375     return (out->unicode) ? !!out->grow.W : !!out->grow.A;
 376 }
 377
 378 static inline int pf_check_auto_grow(pf_output *out, unsigned delta)
 379 {
 380     if (pf_is_auto_grow(out) && out->used + delta > out->len)
 381     {
 382         out->len = max(out->len * 2, out->used + delta);
 383         if (out->unicode)
 384         {
 385             if (out->buf.W != out->grow.W)
 386                 out->buf.W = MSVCRT_realloc(out->buf.W, out->len * sizeof(WCHAR));
 387             else
 388                 out->buf.W = MSVCRT_malloc(out->len * sizeof(WCHAR));
 389             if (!out->buf.W) return -1;
 390         }
 391         else
 392         {
 393             if (out->buf.A != out->grow.A)
 394                 out->buf.A = MSVCRT_realloc(out->buf.A, out->len * sizeof(char));
 395             else
 396                 out->buf.A = MSVCRT_malloc(out->len * sizeof(char));
 397             if (!out->buf.A) return -1;
 398         }
 399     }
 400     return 0;
 401 }
 402
 403 /*
 404  * writes a string of characters to the output
 405  * returns -1 if the string doesn't fit in the output buffer
 406  * return the length of the string if all characters were written
 407  */
 408 static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
 409 {
 410     int space;
 411
 412     if( len < 0 )
 413         len = strlenW( str );
 414     if( out->unicode )
 415     {
 416         LPWSTR p;
 417
 418         if(pf_check_auto_grow(out, len) == -1) return -1;
 419         space = out->len - out->used;
 420         p = out->buf.W + out->used;
 421         if( space >= len )
 422         {
 423             if (out->buf.W) memcpy( p, str, len*sizeof(WCHAR) );
 424             out->used += len;
 425             return len;
 426         }
 427         if( space > 0 && out->buf.W )
 428             memcpy( p, str, space*sizeof(WCHAR) );
 429         out->used += len;
 430     }
 431     else
 432     {
 433         int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
 434         LPSTR p;
 435
 436         if(pf_check_auto_grow(out, n) == -1) return -1;
 437         space = out->len - out->used;
 438         p = out->buf.A + out->used;
 439         if( space >= n )
 440         {
 441             if (out->buf.A) WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
 442             out->used += n;
 443             return len;
 444         }
 445         if( space > 0 && out->buf.A )
 446             WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
 447         out->used += n;
 448     }
 449     return -1;
 450 }
 451
 452 static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
 453 {
 454     int space;
 455
 456     if( len < 0 )
 457         len = strlen( str );
 458     if( !out->unicode )
 459     {
 460         LPSTR p;
 461
 462         if (pf_check_auto_grow(out, len) == -1) return -1;
 463         p = out->buf.A + out->used;
 464         space = out->len - out->used;
 465         if( space >= len )
 466         {
 467             if (out->buf.A) memcpy( p, str, len );
 468             out->used += len;
 469             return len;
 470         }
 471         if( space > 0 && out->buf.A )
 472             memcpy( p, str, space );
 473         out->used += len;
 474     }
 475     else
 476     {
 477         int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
 478         LPWSTR p;
 479
 480         if (pf_check_auto_grow(out, n) == -1) return -1;
 481         p = out->buf.W + out->used;
 482         space = out->len - out->used;
 483         if( space >= n )
 484         {
 485             if (out->buf.W) MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
 486             out->used += n;
 487             return len;
 488         }
 489         if( space > 0 && out->buf.W )
 490             MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
 491         out->used += n;
 492     }
 493     return -1;
 494 }
 495
 496 /* pf_fill: takes care of signs, alignment, zero and field padding */
 497 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 498 {
 499     int i, r = 0;
 500
 501     if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 502         flags->Sign = 0;
 503
 504     if( left && flags->Sign )
 505     {
 506         flags->FieldLength--;
 507         if( flags->PadZero )
 508             r = pf_output_stringA( out, &flags->Sign, 1 );
 509     }
 510
 511     if( ( !left &&  flags->LeftAlign ) ||
 512         (  left && !flags->LeftAlign ))
 513     {
 514         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 515         {
 516             if( left && flags->PadZero )
 517                 r = pf_output_stringA( out, "0", 1 );
 518             else
 519                 r = pf_output_stringA( out, " ", 1 );
 520         }
 521     }
 522
 523     if( left && flags->Sign && !flags->PadZero )
 524         r = pf_output_stringA( out, &flags->Sign, 1 );
 525
 526     return r;
 527 }
 528
 529 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 530                                       int len, pf_flags *flags )
 531 {
 532     int r = 0;
 533
 534     if( len < 0 )
 535         len = strlenW( str );
 536
 537     if (flags->Precision >= 0 && flags->Precision < len)
 538         len = flags->Precision;
 539
 540     r = pf_fill( out, len, flags, 1 );
 541
 542     if( r>=0 )
 543         r = pf_output_stringW( out, str, len );
 544
 545     if( r>=0 )
 546         r = pf_fill( out, len, flags, 0 );
 547
 548     return r;
 549 }
 550
 551 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 552                                       int len, pf_flags *flags )
 553 {
 554     int r = 0;
 555
 556     if( len < 0 )
 557         len = strlen( str );
 558
 559     if (flags->Precision >= 0 && flags->Precision < len)
 560         len = flags->Precision;
 561
 562     r = pf_fill( out, len, flags, 1 );
 563
 564     if( r>=0 )
 565         r = pf_output_stringA( out, str, len );
 566
 567     if( r>=0 )
 568         r = pf_fill( out, len, flags, 0 );
 569
 570     return r;
 571 }
 572
 573 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 574                              pf_flags *flags, BOOL capital_letter)
 575 {
 576      if(str == NULL)  /* catch NULL pointer */
 577         return pf_output_format_A( out, "(null)", -1, flags);
 578
 579      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 580     if(flags->WideString || flags->IntegerLength == 'l')
 581         return pf_output_format_W( out, str, len, flags);
 582     if(flags->IntegerLength == 'h')
 583         return pf_output_format_A( out, str, len, flags);
 584
 585     /* %s,%c ->  chars in ansi functions & wchars in unicode
 586      * %S,%C -> wchars in ansi functions &  chars in unicode */
 587     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 588         return pf_output_format_A( out, str, len, flags);
 589     else
 590         return pf_output_format_W( out, str, len, flags);
 591 }
 592
 593 static inline BOOL pf_is_integer_format( char fmt )
 594 {
 595     static const char float_fmts[] = "diouxX";
 596     if (!fmt)
 597         return FALSE;
 598     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 599 }
 600
 601 static inline BOOL pf_is_double_format( char fmt )
 602 {
 603     static const char float_fmts[] = "aeEfgG";
 604     if (!fmt)
 605         return FALSE;
 606     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 607 }
 608
 609 static inline BOOL pf_is_valid_format( char fmt )
 610 {
 611     static const char float_fmts[] = "acCdeEfgGinouxX";
 612     if (!fmt)
 613         return FALSE;
 614     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 615 }
 616
 617 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 618 {
 619     *p++ = '%';
 620     if( flags->Sign )
 621         *p++ = flags->Sign;
 622     if( flags->LeftAlign )
 623         *p++ = flags->LeftAlign;
 624     if( flags->Alternate )
 625         *p++ = flags->Alternate;
 626     if( flags->PadZero )
 627         *p++ = flags->PadZero;
 628     if( flags->FieldLength )
 629     {
 630         sprintf(p, "%d", flags->FieldLength);
 631         p += strlen(p);
 632     }
 633     if( flags->Precision >= 0 )
 634     {
 635         sprintf(p, ".%d", flags->Precision);
 636         p += strlen(p);
 637     }
 638     *p++ = flags->Format;
 639     *p++ = 0;
 640 }
 641
 642 /* pf_integer_conv:  prints x to buf, including alternate formats and
 643    additional precision digits, but not field characters or the sign */
 644 static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
 645                              LONGLONG x )
 646 {
 647     unsigned int base;
 648     const char *digits;
 649
 650     int i, j, k;
 651     char number[40], *tmp = number;
 652
 653     if( buf_len > sizeof number )
 654         tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
 655
 656     base = 10;
 657     if( flags->Format == 'o' )
 658         base = 8;
 659     else if( flags->Format == 'x' || flags->Format == 'X' )
 660         base = 16;
 661
 662     if( flags->Format == 'X' )
 663         digits = "0123456789ABCDEFX";
 664     else
 665         digits = "0123456789abcdefx";
 666
 667     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 668     {
 669         x = -x;
 670         flags->Sign = '-';
 671     }
 672
 673     /* Do conversion (backwards) */
 674     i = 0;
 675     if( x == 0 && flags->Precision )
 676         tmp[i++] = '0';
 677     else
 678         while( x != 0 )
 679         {
 680             j = (ULONGLONG) x % base;
 681             x = (ULONGLONG) x / base;
 682             tmp[i++] = digits[j];
 683         }
 684     k = flags->Precision - i;
 685     while( k-- > 0 )
 686         tmp[i++] = '0';
 687     if( flags->Alternate )
 688     {
 689         if( base == 16 )
 690         {
 691             tmp[i++] = digits[16];
 692             tmp[i++] = '0';
 693         }
 694         else if( base == 8 && tmp[i-1] != '0' )
 695             tmp[i++] = '0';
 696     }
 697
 698     /* Reverse for buf */
 699     j = 0;
 700     while( i-- > 0 )
 701         buf[j++] = tmp[i];
 702     buf[j] = '\0';
 703
 704     /* Adjust precision so pf_fill won't truncate the number later */
 705     flags->Precision = strlen( buf );
 706
 707     if( tmp != number )
 708         HeapFree( GetProcessHeap(), 0, tmp );
 709
 710     return;
 711 }
 712
 713 /* pf_fixup_exponent: convert a string containing a 2 digit exponent
 714    to 3 digits, accounting for padding, in place. Needed to match
 715    the native printf's which always use 3 digits. */
 716 static void pf_fixup_exponent( char *buf )
 717 {
 718     char* tmp = buf;
 719
 720     while (tmp[0] && toupper(tmp[0]) != 'E')
 721         tmp++;
 722
 723     if (tmp[0] && (tmp[1] == '+' || tmp[1] == '-') &&
 724         isdigit(tmp[2]) && isdigit(tmp[3]))
 725     {
 726         char final;
 727
 728         if (isdigit(tmp[4]))
 729             return; /* Exponent already 3 digits */
 730
 731         /* We have a 2 digit exponent. Prepend '0' to make it 3 */
 732         tmp += 2;
 733         final = tmp[2];
 734         tmp[2] = tmp[1];
 735         tmp[1] = tmp[0];
 736         tmp[0] = '0';
 737         if (final == '\0')
 738         {
 739             /* We didn't expand into trailing space, so this string isn't left
 740              * justified. Terminate the string and strip a ' ' at the start of
 741              * the string if there is one (as there may be if the string is
 742              * right justified).
 743              */
 744             tmp[3] = '\0';
 745             if (buf[0] == ' ')
 746                 memmove(buf, buf + 1, (tmp - buf) + 3);
 747         }
 748         /* Otherwise, we expanded into trailing space -> nothing to do */
 749     }
 750 }
 751
 752 /*********************************************************************
 753  *  pf_vsnprintf  (INTERNAL)
 754  *
 755  *  implements both A and W vsnprintf functions
 756  */
 757 int pf_vsnprintf( pf_output *out, const WCHAR *format,
 758                   MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 759 {
 760     int r;
 761     LPCWSTR q, p = format;
 762     pf_flags flags;
 763
 764     if(!locale)
 765         locale = get_locale();
 766
 767     TRACE("format is %s\n",debugstr_w(format));
 768     while (*p)
 769     {
 770         q = strchrW( p, '%' );
 771
 772         /* there's no % characters left, output the rest of the string */
 773         if( !q )
 774         {
 775             r = pf_output_stringW(out, p, -1);
 776             if( r<0 )
 777                 return r;
 778             p += r;
 779             continue;
 780         }
 781
 782         /* there's characters before the %, output them */
 783         if( q != p )
 784         {
 785             r = pf_output_stringW(out, p, q - p);
 786             if( r<0 )
 787                 return r;
 788             p = q;
 789         }
 790
 791         /* we must be at a % now, skip over it */
 792         assert( *p == '%' );
 793         p++;
 794
 795         /* output a single % character */
 796         if( *p == '%' )
 797         {
 798             r = pf_output_stringW(out, p++, 1);
 799             if( r<0 )
 800                 return r;
 801             continue;
 802         }
 803
 804         /* parse the flags */
 805         memset( &flags, 0, sizeof flags );
 806         while (*p)
 807         {
 808             if( *p == '+' || *p == ' ' )
 809             {
 810                 if ( flags.Sign != '+' )
 811                     flags.Sign = *p;
 812             }
 813             else if( *p == '-' )
 814                 flags.LeftAlign = *p;
 815             else if( *p == '0' )
 816                 flags.PadZero = *p;
 817             else if( *p == '#' )
 818                 flags.Alternate = *p;
 819             else
 820                 break;
 821             p++;
 822         }
 823
 824         /* deal with the field width specifier */
 825         flags.FieldLength = 0;
 826         if( *p == '*' )
 827         {
 828             flags.FieldLength = va_arg( valist, int );
 829             if (flags.FieldLength < 0)
 830             {
 831                 flags.LeftAlign = '-';
 832                 flags.FieldLength = -flags.FieldLength;
 833             }
 834             p++;
 835         }
 836         else while( isdigit(*p) )
 837         {
 838             flags.FieldLength *= 10;
 839             flags.FieldLength += *p++ - '0';
 840         }
 841
 842         /* deal with precision */
 843         flags.Precision = -1;
 844         if( *p == '.' )
 845         {
 846             flags.Precision = 0;
 847             p++;
 848             if( *p == '*' )
 849             {
 850                 flags.Precision = va_arg( valist, int );
 851                 p++;
 852             }
 853             else while( isdigit(*p) )
 854             {
 855                 flags.Precision *= 10;
 856                 flags.Precision += *p++ - '0';
 857             }
 858         }
 859
 860         /* deal with integer width modifier */
 861         while( *p )
 862         {
 863             if( *p == 'l' && *(p+1) == 'l' )
 864             {
 865                 flags.IntegerDouble++;
 866                 p += 2;
 867             }
 868             else if( *p == 'h' || *p == 'l' || *p == 'L' )
 869             {
 870                 flags.IntegerLength = *p;
 871                 p++;
 872             }
 873             else if( *p == 'I' )
 874             {
 875                 if( *(p+1) == '6' && *(p+2) == '4' )
 876                 {
 877                     flags.IntegerDouble++;
 878                     p += 3;
 879                 }
 880                 else if( *(p+1) == '3' && *(p+2) == '2' )
 881                     p += 3;
 882                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 883                     break;
 884                 else
 885                     p++;
 886             }
 887             else if( *p == 'w' )
 888                 flags.WideString = *p++;
 889             else if( *p == 'F' )
 890                 p++; /* ignore */
 891             else
 892                 break;
 893         }
 894
 895         flags.Format = *p;
 896         r = 0;
 897
 898         if (flags.Format == '$')
 899         {
 900             FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
 901             return -1;
 902         }
 903         /* output a string */
 904         if(  flags.Format == 's' || flags.Format == 'S' )
 905             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 906                                          &flags, (flags.Format == 'S') );
 907
 908         /* output a single character */
 909         else if( flags.Format == 'c' || flags.Format == 'C' )
 910         {
 911             INT ch = va_arg( valist, int );
 912
 913             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 914         }
 915
 916         /* output a pointer */
 917         else if( flags.Format == 'p' )
 918         {
 919             char pointer[32];
 920             void *ptr = va_arg( valist, void * );
 921
 922             flags.PadZero = 0;
 923             if( flags.Alternate )
 924                 sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 925             else
 926                 sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 927             r = pf_output_format_A( out, pointer, -1, &flags );
 928         }
 929
 930         /* deal with %n */
 931         else if( flags.Format == 'n' )
 932         {
 933             int *x = va_arg(valist, int *);
 934             *x = out->used;
 935         }
 936
 937         /* deal with 64-bit integers */
 938         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 939         {
 940             char number[40], *x = number;
 941
 942             /* Estimate largest possible required buffer size:
 943                * Chooses the larger of the field or precision
 944                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 945                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 946                  for a decimal, and 1 byte for an additional float digit. */
 947             int x_len = ((flags.FieldLength > flags.Precision) ?
 948                         flags.FieldLength : flags.Precision) + 10;
 949
 950             if( x_len >= sizeof number)
 951                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 952
 953             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
 954
 955             r = pf_output_format_A( out, x, -1, &flags );
 956             if( x != number )
 957                 HeapFree( GetProcessHeap(), 0, x );
 958         }
 959
 960         /* deal with integers and floats using libc's printf */
 961         else if( pf_is_valid_format( flags.Format ) )
 962         {
 963             char fmt[20], number[40], *x = number, *decimal_point;
 964
 965             /* Estimate largest possible required buffer size:
 966                * Chooses the larger of the field or precision
 967                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 968                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 969                  for a decimal, and 1 byte for an additional float digit. */
 970             int x_len = ((flags.FieldLength > flags.Precision) ?
 971                         flags.FieldLength : flags.Precision) + 10;
 972
 973             if( x_len >= sizeof number)
 974                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 975
 976             pf_rebuild_format_string( fmt, &flags );
 977
 978             if( pf_is_double_format( flags.Format ) )
 979             {
 980                 sprintf( x, fmt, va_arg(valist, double) );
 981                 if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
 982                     pf_fixup_exponent( x );
 983             }
 984             else
 985                 sprintf( x, fmt, va_arg(valist, int) );
 986
 987             decimal_point = strchr(x, '.');
 988             if(decimal_point)
 989                 *decimal_point = *locale->locinfo->lconv->decimal_point;
 990
 991             r = pf_output_stringA( out, x, -1 );
 992             if( x != number )
 993                 HeapFree( GetProcessHeap(), 0, x );
 994             if(r < 0)
 995                 return r;
 996         }
 997         else
 998         {
 999             if( valid )
1000             {
1001                 MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1002                 *MSVCRT__errno() = MSVCRT_EINVAL;
1003                 return -1;
1004             }
1005
1006             continue;
1007         }
1008
1009         if( r<0 )
1010             return r;
1011         p++;
1012     }
1013
1014     /* check we reached the end, and null terminate the string */
1015     assert( *p == 0 );
1016     pf_output_stringW( out, p, 1 );
1017
1018     return out->used - 1;
1019 }
1020
1021 /*********************************************************************
1022  * vsnprintf_internal (INTERNAL)
1023  */
1024 static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
1025         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
1026 {
1027     DWORD sz;
1028     LPWSTR formatW = NULL;
1029     pf_output out;
1030     int r;
1031
1032     out.unicode = FALSE;
1033     out.buf.A = str;
1034     out.grow.A = NULL;
1035     out.used = 0;
1036     out.len = len;
1037
1038     sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
1039     formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
1040     MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
1041
1042     r = pf_vsnprintf( &out, formatW, locale, valid, valist );
1043
1044     HeapFree( GetProcessHeap(), 0, formatW );
1045
1046     return r;
1047 }
1048
1049 /*********************************************************************
1050  *              _vsnprintf (MSVCRT.@)
1051  */
1052 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
1053                             const char *format, __ms_va_list valist )
1054 {
1055     return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
1056 }
1057
1058 /*********************************************************************
1059 *               _vsnprintf_l (MSVCRT.@)
1060  */
1061 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
1062                             MSVCRT__locale_t locale, __ms_va_list valist )
1063 {
1064     return vsnprintf_internal(str, len, format, locale, FALSE, valist);
1065 }
1066
1067 /*********************************************************************
1068  *              _vsnprintf_s_l (MSVCRT.@)
1069  */
1070 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
1071         MSVCRT_size_t count, const char *format,
1072         MSVCRT__locale_t locale, __ms_va_list valist )
1073 {
1074     int len, ret;
1075
1076     if(sizeOfBuffer<count+1 || count==-1)
1077         len = sizeOfBuffer;
1078     else
1079         len = count+1;
1080
1081     ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
1082
1083     if(ret<0 || ret==len) {
1084         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1085             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
1086             *MSVCRT__errno() = MSVCRT_ERANGE;
1087             memset(str, 0, sizeOfBuffer);
1088         } else
1089             str[len-1] = '\0';
1090
1091         return -1;
1092     }
1093
1094     return ret;
1095 }
1096
1097 /*********************************************************************
1098  *              _vsnprintf_s (MSVCRT.@)
1099  */
1100 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
1101         MSVCRT_size_t count, const char *format, __ms_va_list valist )
1102 {
1103     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
1104 }
1105
1106 /*********************************************************************
1107  *              vsprintf (MSVCRT.@)
1108  */
1109 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
1110 {
1111     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
1112 }
1113
1114 /*********************************************************************
1115  *              vsprintf_s (MSVCRT.@)
1116  */
1117 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
1118 {
1119     return MSVCRT_vsnprintf(str, num, format, valist);
1120 }
1121
1122 /*********************************************************************
1123  *              _vscprintf (MSVCRT.@)
1124  */
1125 int CDECL _vscprintf( const char *format, __ms_va_list valist )
1126 {
1127     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
1128 }
1129
1130 /*********************************************************************
1131  *              _snprintf (MSVCRT.@)
1132  */
1133 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
1134 {
1135     int retval;
1136     __ms_va_list valist;
1137     __ms_va_start(valist, format);
1138     retval = MSVCRT_vsnprintf(str, len, format, valist);
1139     __ms_va_end(valist);
1140     return retval;
1141 }
1142
1143 /*********************************************************************
1144  *              _snprintf_s (MSVCRT.@)
1145  */
1146 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
1147     const char *format, ...)
1148 {
1149     int retval;
1150     __ms_va_list valist;
1151     __ms_va_start(valist, format);
1152     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
1153     __ms_va_end(valist);
1154     return retval;
1155 }
1156
1157 /*********************************************************************
1158  *              _scprintf (MSVCRT.@)
1159  */
1160 int CDECL MSVCRT__scprintf(const char *format, ...)
1161 {
1162     int retval;
1163     __ms_va_list valist;
1164     __ms_va_start(valist, format);
1165     retval = _vscprintf(format, valist);
1166     __ms_va_end(valist);
1167     return retval;
1168 }
1169
1170 /*********************************************************************
1171  * vsnwprintf_internal (INTERNAL)
1172  */
1173 static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1174         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
1175         __ms_va_list valist)
1176 {
1177     pf_output out;
1178
1179     out.unicode = TRUE;
1180     out.buf.W = str;
1181     out.grow.W = NULL;
1182     out.used = 0;
1183     out.len = len;
1184
1185     return pf_vsnprintf( &out, format, locale, valid, valist );
1186 }
1187
1188 /*********************************************************************
1189  *              _vsnwprintf (MSVCRT.@)
1190  */
1191 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1192         const MSVCRT_wchar_t *format, __ms_va_list valist)
1193 {
1194     return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
1195 }
1196
1197 /*********************************************************************
1198  *              _vsnwprintf_l (MSVCRT.@)
1199  */
1200 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1201         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
1202         __ms_va_list valist)
1203 {
1204         return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
1205 }
1206
1207 /*********************************************************************
1208  *              _vsnwprintf_s_l (MSVCRT.@)
1209  */
1210 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1211         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
1212         MSVCRT__locale_t locale, __ms_va_list valist)
1213 {
1214     int len, ret;
1215
1216     len = sizeOfBuffer;
1217     if(count!=-1 && len>count+1)
1218         len = count+1;
1219
1220     ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
1221
1222     if(ret<0 || ret==len) {
1223         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1224             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
1225             *MSVCRT__errno() = MSVCRT_ERANGE;
1226             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
1227         } else
1228             str[len-1] = '\0';
1229
1230         return -1;
1231     }
1232
1233     return ret;
1234 }
1235
1236 /*********************************************************************
1237  *              _vsnwprintf_s (MSVCRT.@)
1238  */
1239 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1240         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
1241 {
1242     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
1243             format, NULL, valist);
1244 }
1245
1246 /*********************************************************************
1247  *              _snwprintf (MSVCRT.@)
1248  */
1249 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
1250 {
1251     int retval;
1252     __ms_va_list valist;
1253     __ms_va_start(valist, format);
1254     retval = MSVCRT_vsnwprintf(str, len, format, valist);
1255     __ms_va_end(valist);
1256     return retval;
1257 }
1258
1259 /*********************************************************************
1260  *              _snwprintf_s (MSVCRT.@)
1261  */
1262 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
1263     const MSVCRT_wchar_t *format, ...)
1264 {
1265     int retval;
1266     __ms_va_list valist;
1267     __ms_va_start(valist, format);
1268     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
1269     __ms_va_end(valist);
1270     return retval;
1271 }
1272
1273 /*********************************************************************
1274  *              sprintf (MSVCRT.@)
1275  */
1276 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
1277 {
1278     __ms_va_list ap;
1279     int r;
1280
1281     __ms_va_start( ap, format );
1282     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
1283     __ms_va_end( ap );
1284     return r;
1285 }
1286
1287 /*********************************************************************
1288  *              sprintf_s (MSVCRT.@)
1289  */
1290 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
1291 {
1292     __ms_va_list ap;
1293     int r;
1294
1295     __ms_va_start( ap, format );
1296     r = MSVCRT_vsnprintf( str, num, format, ap );
1297     __ms_va_end( ap );
1298     return r;
1299 }
1300
1301 /*********************************************************************
1302  *              _scwprintf (MSVCRT.@)
1303  */
1304 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
1305 {
1306     __ms_va_list ap;
1307     int r;
1308
1309     __ms_va_start( ap, format );
1310     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
1311     __ms_va_end( ap );
1312     return r;
1313 }
1314
1315 /*********************************************************************
1316  *              swprintf (MSVCRT.@)
1317  */
1318 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
1319 {
1320     __ms_va_list ap;
1321     int r;
1322
1323     __ms_va_start( ap, format );
1324     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
1325     __ms_va_end( ap );
1326     return r;
1327 }
1328
1329 /*********************************************************************
1330  *              swprintf_s (MSVCRT.@)
1331  */
1332 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
1333         const MSVCRT_wchar_t *format, ... )
1334 {
1335     __ms_va_list ap;
1336     int r;
1337
1338     __ms_va_start(ap, format);
1339     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
1340     __ms_va_end(ap);
1341
1342     return r;
1343 }
1344
1345 /*********************************************************************
1346  *              vswprintf (MSVCRT.@)
1347  */
1348 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1349 {
1350     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1351 }
1352
1353 /*********************************************************************
1354  *              _vscwprintf (MSVCRT.@)
1355  */
1356 int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1357 {
1358     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1359 }
1360
1361 /*********************************************************************
1362  *              vswprintf_s (MSVCRT.@)
1363  */
1364 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1365         const MSVCRT_wchar_t* format, __ms_va_list args)
1366 {
1367     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
1368 }
1369
1370 /*********************************************************************
1371  *              _vswprintf_s_l (MSVCRT.@)
1372  */
1373 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1374         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1375 {
1376     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
1377             format, locale, args );
1378 }
1379
1380 /*********************************************************************
1381  *              wcscoll (MSVCRT.@)
1382  */
1383 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1384 {
1385   /* FIXME: handle collates */
1386   return strcmpW( str1, str2 );
1387 }
1388
1389 /*********************************************************************
1390  *              wcspbrk (MSVCRT.@)
1391  */
1392 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1393 {
1394   const MSVCRT_wchar_t* p;
1395   while (*str)
1396   {
1397     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1398       str++;
1399   }
1400   return NULL;
1401 }
1402
1403 /*********************************************************************
1404  *              wcstok_s  (MSVCRT.@)
1405  */
1406 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
1407                                  MSVCRT_wchar_t **next_token )
1408 {
1409     MSVCRT_wchar_t *ret;
1410
1411     if (!MSVCRT_CHECK_PMT(delim != NULL) || !MSVCRT_CHECK_PMT(next_token != NULL) ||
1412         !MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL))
1413     {
1414         *MSVCRT__errno() = MSVCRT_EINVAL;
1415         return NULL;
1416     }
1417     if (!str) str = *next_token;
1418
1419     while (*str && strchrW( delim, *str )) str++;
1420     if (!*str) return NULL;
1421     ret = str++;
1422     while (*str && !strchrW( delim, *str )) str++;
1423     if (*str) *str++ = 0;
1424     *next_token = str;
1425     return ret;
1426 }
1427
1428 /*********************************************************************
1429  *              wcstok  (MSVCRT.@)
1430  */
1431 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1432 {
1433     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1434 }
1435
1436 /*********************************************************************
1437  *              wctomb (MSVCRT.@)
1438  */
1439 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1440 {
1441   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
1442 }
1443
1444 /*********************************************************************
1445  *              iswalnum (MSVCRT.@)
1446  */
1447 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1448 {
1449     return isalnumW( wc );
1450 }
1451
1452 /*********************************************************************
1453  *              iswalpha (MSVCRT.@)
1454  */
1455 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1456 {
1457     return isalphaW( wc );
1458 }
1459
1460 /*********************************************************************
1461  *              iswalpha_l (MSVCRT.@)
1462  */
1463 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1464 {
1465     return isalphaW( wc );
1466 }
1467
1468 /*********************************************************************
1469  *              iswcntrl (MSVCRT.@)
1470  */
1471 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1472 {
1473     return iscntrlW( wc );
1474 }
1475
1476 /*********************************************************************
1477  *              iswdigit (MSVCRT.@)
1478  */
1479 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1480 {
1481     return isdigitW( wc );
1482 }
1483
1484 /*********************************************************************
1485  *              iswgraph (MSVCRT.@)
1486  */
1487 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1488 {
1489     return isgraphW( wc );
1490 }
1491
1492 /*********************************************************************
1493  *              iswlower (MSVCRT.@)
1494  */
1495 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1496 {
1497     return islowerW( wc );
1498 }
1499
1500 /*********************************************************************
1501  *              iswprint (MSVCRT.@)
1502  */
1503 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1504 {
1505     return isprintW( wc );
1506 }
1507
1508 /*********************************************************************
1509  *              iswpunct (MSVCRT.@)
1510  */
1511 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1512 {
1513     return ispunctW( wc );
1514 }
1515
1516 /*********************************************************************
1517  *              iswspace (MSVCRT.@)
1518  */
1519 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1520 {
1521     return isspaceW( wc );
1522 }
1523
1524 /*********************************************************************
1525  *              iswupper (MSVCRT.@)
1526  */
1527 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1528 {
1529     return isupperW( wc );
1530 }
1531
1532 /*********************************************************************
1533  *              iswxdigit (MSVCRT.@)
1534  */
1535 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1536 {
1537     return isxdigitW( wc );
1538 }
1539
1540 /*********************************************************************
1541  *              wcscpy_s (MSVCRT.@)
1542  */
1543 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1544 {
1545     MSVCRT_size_t size = 0;
1546
1547     if(!wcDest || !numElement)
1548         return MSVCRT_EINVAL;
1549
1550     wcDest[0] = 0;
1551
1552     if(!wcSrc)
1553     {
1554         return MSVCRT_EINVAL;
1555     }
1556
1557     size = strlenW(wcSrc) + 1;
1558
1559     if(size > numElement)
1560     {
1561         return MSVCRT_ERANGE;
1562     }
1563
1564     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1565
1566     return 0;
1567 }
1568
1569 /******************************************************************
1570  *              wcsncpy_s (MSVCRT.@)
1571  */
1572 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1573                             MSVCRT_size_t count )
1574 {
1575     MSVCRT_size_t size = 0;
1576
1577     if (!wcDest || !numElement)
1578         return MSVCRT_EINVAL;
1579
1580     wcDest[0] = 0;
1581
1582     if (!wcSrc)
1583     {
1584         return MSVCRT_EINVAL;
1585     }
1586
1587     size = min(strlenW(wcSrc), count);
1588
1589     if (size >= numElement)
1590     {
1591         return MSVCRT_ERANGE;
1592     }
1593
1594     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1595     wcDest[size] = '\0';
1596
1597     return 0;
1598 }
1599
1600 /******************************************************************
1601  *              wcscat_s (MSVCRT.@)
1602  *
1603  */
1604 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1605 {
1606     MSVCRT_wchar_t* ptr = dst;
1607
1608     if (!dst || elem == 0) return MSVCRT_EINVAL;
1609     if (!src)
1610     {
1611         dst[0] = '\0';
1612         return MSVCRT_EINVAL;
1613     }
1614
1615     /* seek to end of dst string (or elem if no end of string is found */
1616     while (ptr < dst + elem && *ptr != '\0') ptr++;
1617     while (ptr < dst + elem)
1618     {
1619         if ((*ptr++ = *src++) == '\0') return 0;
1620     }
1621     /* not enough space */
1622     dst[0] = '\0';
1623     return MSVCRT_ERANGE;
1624 }
1625
1626 /*********************************************************************
1627  *  wcsncat_s (MSVCRT.@)
1628  *
1629  */
1630 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1631         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1632 {
1633     MSVCRT_size_t srclen;
1634     MSVCRT_wchar_t dststart;
1635     INT ret = 0;
1636
1637     if (!MSVCRT_CHECK_PMT(dst != NULL) || !MSVCRT_CHECK_PMT(elem > 0))
1638     {
1639         *MSVCRT__errno() = MSVCRT_EINVAL;
1640         return MSVCRT_EINVAL;
1641     }
1642     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0))
1643         return MSVCRT_EINVAL;
1644     if (count == 0)
1645         return 0;
1646
1647     for (dststart = 0; dststart < elem; dststart++)
1648     {
1649         if (dst[dststart] == '\0')
1650             break;
1651     }
1652     if (dststart == elem)
1653     {
1654         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n");
1655         return MSVCRT_EINVAL;
1656     }
1657
1658     if (count == MSVCRT__TRUNCATE)
1659     {
1660         srclen = strlenW(src);
1661         if (srclen >= (elem - dststart))
1662         {
1663             srclen = elem - dststart - 1;
1664             ret = MSVCRT_STRUNCATE;
1665         }
1666     }
1667     else
1668         srclen = min(strlenW(src), count);
1669     if (srclen < (elem - dststart))
1670     {
1671         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1672         dst[srclen] = '\0';
1673         return ret;
1674     }
1675     MSVCRT_INVALID_PMT("dst[elem] is too small");
1676     dst[0] = '\0';
1677     return MSVCRT_ERANGE;
1678 }
1679
1680 /*********************************************************************
1681  *  _wcstoi64_l (MSVCRT.@)
1682  *
1683  * FIXME: locale parameter is ignored
1684  */
1685 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1686         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1687 {
1688     BOOL negative = FALSE;
1689     __int64 ret = 0;
1690
1691     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1692
1693     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1694         !MSVCRT_CHECK_PMT(base <= 36)) {
1695         *MSVCRT__errno() = MSVCRT_EINVAL;
1696         return 0;
1697     }
1698
1699     while(isspaceW(*nptr)) nptr++;
1700
1701     if(*nptr == '-') {
1702         negative = TRUE;
1703         nptr++;
1704     } else if(*nptr == '+')
1705         nptr++;
1706
1707     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1708         base = 16;
1709         nptr += 2;
1710     }
1711
1712     if(base == 0) {
1713         if(*nptr=='0')
1714             base = 8;
1715         else
1716             base = 10;
1717     }
1718
1719     while(*nptr) {
1720         char cur = tolowerW(*nptr);
1721         int v;
1722
1723         if(isdigitW(cur)) {
1724             if(cur >= '0'+base)
1725                 break;
1726             v = cur-'0';
1727         } else {
1728             if(cur<'a' || cur>='a'+base-10)
1729                 break;
1730             v = cur-'a'+10;
1731         }
1732
1733         if(negative)
1734             v = -v;
1735
1736         nptr++;
1737
1738         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1739             ret = MSVCRT_I64_MAX;
1740             *MSVCRT__errno() = MSVCRT_ERANGE;
1741         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1742             ret = MSVCRT_I64_MIN;
1743             *MSVCRT__errno() = MSVCRT_ERANGE;
1744         } else
1745             ret = ret*base + v;
1746     }
1747
1748     if(endptr)
1749         *endptr = (MSVCRT_wchar_t*)nptr;
1750
1751     return ret;
1752 }
1753
1754 /*********************************************************************
1755  *  _wcstoi64 (MSVCRT.@)
1756  */
1757 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1758         MSVCRT_wchar_t **endptr, int base)
1759 {
1760     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1761 }
1762
1763 /*********************************************************************
1764  *  _wcstoui64_l (MSVCRT.@)
1765  *
1766  * FIXME: locale parameter is ignored
1767  */
1768 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1769         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1770 {
1771     BOOL negative = FALSE;
1772     unsigned __int64 ret = 0;
1773
1774     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1775
1776     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1777         !MSVCRT_CHECK_PMT(base <= 36)) {
1778         *MSVCRT__errno() = MSVCRT_EINVAL;
1779         return 0;
1780     }
1781
1782     while(isspaceW(*nptr)) nptr++;
1783
1784     if(*nptr == '-') {
1785         negative = TRUE;
1786         nptr++;
1787     } else if(*nptr == '+')
1788         nptr++;
1789
1790     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1791         base = 16;
1792         nptr += 2;
1793     }
1794
1795     if(base == 0) {
1796         if(*nptr=='0')
1797             base = 8;
1798         else
1799             base = 10;
1800     }
1801
1802     while(*nptr) {
1803         char cur = tolowerW(*nptr);
1804         int v;
1805
1806         if(isdigit(cur)) {
1807             if(cur >= '0'+base)
1808                 break;
1809             v = *nptr-'0';
1810         } else {
1811             if(cur<'a' || cur>='a'+base-10)
1812                 break;
1813             v = cur-'a'+10;
1814         }
1815
1816         nptr++;
1817
1818         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1819             ret = MSVCRT_UI64_MAX;
1820             *MSVCRT__errno() = MSVCRT_ERANGE;
1821         } else
1822             ret = ret*base + v;
1823     }
1824
1825     if(endptr)
1826         *endptr = (MSVCRT_wchar_t*)nptr;
1827
1828     return negative ? -ret : ret;
1829 }
1830
1831 /*********************************************************************
1832  *  _wcstoui64 (MSVCRT.@)
1833  */
1834 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1835         MSVCRT_wchar_t **endptr, int base)
1836 {
1837     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1838 }
1839
1840 /******************************************************************
1841  *  wcsnlen (MSVCRT.@)
1842  */
1843 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1844 {
1845     MSVCRT_size_t i;
1846
1847     for (i = 0; i < maxlen; i++)
1848         if (!s[i]) break;
1849     return i;
1850 }