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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #include <limits.h>
  22 #include <stdio.h>
  23 #include <math.h>
  24 #include <assert.h>
  25 #include "msvcrt.h"
  26 #include "winnls.h"
  27 #include "wine/unicode.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  31
  32
  33 /* INTERNAL: MSVCRT_malloc() based wstrndup */
  34 MSVCRT_wchar_t* msvcrt_wstrndup(const MSVCRT_wchar_t *buf, unsigned int size)
  35 {
  36   MSVCRT_wchar_t* ret;
  37   unsigned int len = strlenW(buf), max_len;
  38
  39   max_len = size <= len? size : len + 1;
  40
  41   ret = MSVCRT_malloc(max_len * sizeof (MSVCRT_wchar_t));
  42   if (ret)
  43   {
  44     memcpy(ret,buf,max_len * sizeof (MSVCRT_wchar_t));
  45     ret[max_len] = 0;
  46   }
  47   return ret;
  48 }
  49
  50 /*********************************************************************
  51  *              _wcsdup (MSVCRT.@)
  52  */
  53 MSVCRT_wchar_t* _wcsdup( const MSVCRT_wchar_t* str )
  54 {
  55   MSVCRT_wchar_t* ret = NULL;
  56   if (str)
  57   {
  58     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  59     ret = MSVCRT_malloc( size );
  60     if (ret) memcpy( ret, str, size );
  61   }
  62   return ret;
  63 }
  64
  65 /*********************************************************************
  66  *              _wcsicoll (MSVCRT.@)
  67  */
  68 INT _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  69 {
  70   /* FIXME: handle collates */
  71   return strcmpiW( str1, str2 );
  72 }
  73
  74 /*********************************************************************
  75  *              _wcsnset (MSVCRT.@)
  76  */
  77 MSVCRT_wchar_t* _wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  78 {
  79   MSVCRT_wchar_t* ret = str;
  80   while ((n-- > 0) && *str) *str++ = c;
  81   return ret;
  82 }
  83
  84 /*********************************************************************
  85  *              _wcsrev (MSVCRT.@)
  86  */
  87 MSVCRT_wchar_t* _wcsrev( MSVCRT_wchar_t* str )
  88 {
  89   MSVCRT_wchar_t* ret = str;
  90   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
  91   while (end > str)
  92   {
  93     MSVCRT_wchar_t t = *end;
  94     *end--  = *str;
  95     *str++  = t;
  96   }
  97   return ret;
  98 }
  99
 100 /*********************************************************************
 101  *              _wcsset (MSVCRT.@)
 102  */
 103 MSVCRT_wchar_t* _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
 104 {
 105   MSVCRT_wchar_t* ret = str;
 106   while (*str) *str++ = c;
 107   return ret;
 108 }
 109
 110 /*********************************************************************
 111  *              wcstod (MSVCRT.@)
 112  */
 113 double MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 114 {
 115   const MSVCRT_wchar_t* str = lpszStr;
 116   int negative = 0;
 117   double ret = 0, divisor = 10.0;
 118
 119   TRACE("(%s,%p) semi-stub\n", debugstr_w(lpszStr), end);
 120
 121   /* FIXME:
 122    * - Should set errno on failure
 123    * - Should fail on overflow
 124    * - Need to check which input formats are allowed
 125    */
 126   while (isspaceW(*str))
 127     str++;
 128
 129   if (*str == '-')
 130   {
 131     negative = 1;
 132     str++;
 133   }
 134
 135   while (isdigitW(*str))
 136   {
 137     ret = ret * 10.0 + (*str - '0');
 138     str++;
 139   }
 140   if (*str == '.')
 141     str++;
 142   while (isdigitW(*str))
 143   {
 144     ret = ret + (*str - '0') / divisor;
 145     divisor *= 10;
 146     str++;
 147   }
 148
 149   if (*str == 'E' || *str == 'e' || *str == 'D' || *str == 'd')
 150   {
 151     int negativeExponent = 0;
 152     int exponent = 0;
 153     if (*(++str) == '-')
 154     {
 155       negativeExponent = 1;
 156       str++;
 157     }
 158     while (isdigitW(*str))
 159     {
 160       exponent = exponent * 10 + (*str - '0');
 161       str++;
 162     }
 163     if (exponent != 0)
 164     {
 165       if (negativeExponent)
 166         ret = ret / pow(10.0, exponent);
 167       else
 168         ret = ret * pow(10.0, exponent);
 169     }
 170   }
 171
 172   if (negative)
 173     ret = -ret;
 174
 175   if (end)
 176     *end = (MSVCRT_wchar_t*)str;
 177
 178   TRACE("returning %g\n", ret);
 179   return ret;
 180 }
 181
 182
 183 typedef struct pf_output_t
 184 {
 185     int used;
 186     int len;
 187     BOOL unicode;
 188     union {
 189         LPWSTR W;
 190         LPSTR  A;
 191     } buf;
 192 } pf_output;
 193
 194 typedef struct pf_flags_t
 195 {
 196     char Sign, LeftAlign, Alternate, PadZero;
 197     char FieldLength, Precision;
 198     char IntegerLength, IntegerDouble;
 199     char WideString;
 200     char Format;
 201 } pf_flags;
 202
 203 /*
 204  * writes a string of characters to the output
 205  * returns -1 if the string doesn't fit in the output buffer
 206  * return the length of the string if all characters were written
 207  */
 208 static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
 209 {
 210     int space = out->len - out->used;
 211
 212     if( len < 0 )
 213         len = strlenW( str );
 214     if( out->unicode )
 215     {
 216         LPWSTR p = out->buf.W + out->used;
 217
 218         if( space >= len )
 219         {
 220             memcpy( p, str, len*sizeof(WCHAR) );
 221             out->used += len;
 222             return len;
 223         }
 224         if( space > 0 )
 225             memcpy( p, str, space*sizeof(WCHAR) );
 226         out->used += len;
 227     }
 228     else
 229     {
 230         int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
 231         LPSTR p = out->buf.A + out->used;
 232
 233         if( space >= n )
 234         {
 235             WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
 236             out->used += n;
 237             return len;
 238         }
 239         if( space > 0 )
 240             WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
 241         out->used += n;
 242     }
 243     return -1;
 244 }
 245
 246 static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
 247 {
 248     int space = out->len - out->used;
 249
 250     if( len < 0 )
 251         len = strlen( str );
 252     if( !out->unicode )
 253     {
 254         LPSTR p = out->buf.A + out->used;
 255
 256         if( space >= len )
 257         {
 258             memcpy( p, str, len );
 259             out->used += len;
 260             return len;
 261         }
 262         if( space > 0 )
 263             memcpy( p, str, space );
 264         out->used += len;
 265     }
 266     else
 267     {
 268         int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
 269         LPWSTR p = out->buf.W + out->used;
 270
 271         if( space >= n )
 272         {
 273             MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
 274             out->used += n;
 275             return len;
 276         }
 277         if( space > 0 )
 278             MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
 279         out->used += n;
 280     }
 281     return -1;
 282 }
 283
 284 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 285 {
 286     int i, r = 0;
 287
 288     if( ( !left &&  flags->LeftAlign ) ||
 289         (  left && !flags->LeftAlign ) ||
 290         (  left &&  flags->PadZero   ) )
 291     {
 292         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 293         {
 294             if( flags->PadZero )
 295                 r = pf_output_stringA( out, "0", 1 );
 296             else
 297                 r = pf_output_stringA( out, " ", 1 );
 298         }
 299     }
 300
 301     return r;
 302 }
 303
 304 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 305                                       int len, pf_flags *flags )
 306 {
 307     int r = 0;
 308
 309     if( len < 0 )
 310         len = strlenW( str );
 311
 312     if (flags->Precision && flags->Precision < len)
 313       len = flags->Precision;
 314
 315     r = pf_fill( out, len, flags, 1 );
 316
 317     if( r>=0 )
 318         r = pf_output_stringW( out, str, len );
 319
 320     if( r>=0 )
 321         r = pf_fill( out, len, flags, 0 );
 322
 323     return r;
 324 }
 325
 326 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 327                                       int len, pf_flags *flags )
 328 {
 329     int r = 0;
 330
 331     if( len < 0 )
 332         len = strlen( str );
 333
 334     if (flags->Precision && flags->Precision < len)
 335       len = flags->Precision;
 336
 337     r = pf_fill( out, len, flags, 1 );
 338
 339     if( r>=0 )
 340         r = pf_output_stringA( out, str, len );
 341
 342     if( r>=0 )
 343         r = pf_fill( out, len, flags, 0 );
 344
 345     return r;
 346 }
 347
 348 static inline BOOL pf_is_double_format( char fmt )
 349 {
 350     char float_fmts[] = "aefg";
 351     if (!fmt)
 352         return FALSE;
 353     fmt = tolower( fmt );
 354     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 355 }
 356
 357 static inline BOOL pf_is_valid_format( char fmt )
 358 {
 359     char float_fmts[] = "acdefginoux";
 360     if (!fmt)
 361         return FALSE;
 362     fmt = tolower( fmt );
 363     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 364 }
 365
 366 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 367 {
 368     *p++ = '%';
 369     if( flags->Sign )
 370         *p++ = flags->Sign;
 371     if( flags->LeftAlign )
 372         *p++ = flags->LeftAlign;
 373     if( flags->Alternate )
 374         *p++ = flags->Alternate;
 375     if( flags->PadZero )
 376         *p++ = flags->PadZero;
 377     if( flags->FieldLength )
 378     {
 379         sprintf(p, "%d", flags->FieldLength);
 380         p += strlen(p);
 381     }
 382     if( flags->Precision )
 383     {
 384         sprintf(p, ".%d", flags->Precision);
 385         p += strlen(p);
 386     }
 387     *p++ = flags->Format;
 388     *p++ = 0;
 389 }
 390
 391 /*********************************************************************
 392  *  pf_vsnprintf  (INTERNAL)
 393  *
 394  *  implements both A and W vsnprintf functions
 395  */
 396 static int pf_vsnprintf( pf_output *out, const WCHAR *format, va_list valist )
 397 {
 398     int r;
 399     LPCWSTR q, p = format;
 400     pf_flags flags;
 401
 402     TRACE("format is %s\n",debugstr_w(format));
 403     while (*p)
 404     {
 405         q = strchrW( p, '%' );
 406
 407         /* there's no % characters left, output the rest of the string */
 408         if( !q )
 409         {
 410             r = pf_output_stringW(out, p, -1);
 411             if( r<0 )
 412                 return r;
 413             p += r;
 414             continue;
 415         }
 416
 417         /* there's characters before the %, output them */
 418         if( q != p )
 419         {
 420             r = pf_output_stringW(out, p, q - p);
 421             if( r<0 )
 422                 return r;
 423             p = q;
 424         }
 425
 426         /* we must be at a % now, skip over it */
 427         assert( *p == '%' );
 428         p++;
 429
 430         /* output a single % character */
 431         if( *p == '%' )
 432         {
 433             r = pf_output_stringW(out, p++, 1);
 434             if( r<0 )
 435                 return r;
 436             continue;
 437         }
 438
 439         /* parse the flags */
 440         memset( &flags, 0, sizeof flags );
 441         while (*p)
 442         {
 443             if( *p == '+' || *p == ' ' )
 444                 flags.Sign = '+';
 445             else if( *p == '-' )
 446                 flags.LeftAlign = *p;
 447             else if( *p == '0' )
 448                 flags.PadZero = *p;
 449             else if( *p == '#' )
 450                 flags.Alternate = *p;
 451             else
 452                 break;
 453             p++;
 454         }
 455
 456         /* deal with the field width specifier */
 457         flags.FieldLength = 0;
 458         if( *p == '*' )
 459         {
 460             flags.FieldLength = va_arg( valist, int );
 461             p++;
 462         }
 463         else while( isdigit(*p) )
 464         {
 465             flags.FieldLength *= 10;
 466             flags.FieldLength += *p++ - '0';
 467         }
 468
 469         /* deal with precision */
 470         if( *p == '.' )
 471         {
 472             p++;
 473             if( *p == '*' )
 474             {
 475                 flags.Precision = va_arg( valist, int );
 476                 p++;
 477             }
 478             else while( isdigit(*p) )
 479             {
 480                 flags.Precision *= 10;
 481                 flags.Precision += *p++ - '0';
 482             }
 483         }
 484
 485         /* deal with integer width modifier */
 486         while( *p )
 487         {
 488             if( *p == 'h' || *p == 'l' || *p == 'L' )
 489             {
 490                 if( flags.IntegerLength == *p )  /* FIXME: this is wrong */
 491                     flags.IntegerDouble++;
 492                 else
 493                     flags.IntegerLength = *p;
 494                 p++;
 495             }
 496             else if( *p == 'w' )
 497                 flags.WideString = *p++;
 498             else if( *p == 'F' )
 499                 p++; /* ignore */
 500             else
 501                 break;
 502         }
 503
 504         flags.Format = *p;
 505         r = 0;
 506
 507         /* output a unicode string */
 508         if( ( flags.Format == 's' && (flags.WideString || flags.IntegerLength == 'l' )) ||
 509             ( !out->unicode && flags.Format == 'S' ) ||
 510             ( out->unicode && flags.Format == 's' ) )
 511         {
 512             LPCWSTR str = va_arg( valist, const WCHAR * );
 513
 514             if( str )
 515                 r = pf_output_format_W( out, str, -1, &flags );
 516             else
 517                 r = pf_output_format_A( out, "(null)", -1, &flags );
 518         }
 519
 520         /* output a ASCII string */
 521         else if( ( flags.Format == 's' && flags.IntegerLength == 'h' ) ||
 522             ( out->unicode && flags.Format == 'S' ) ||
 523             ( !out->unicode && flags.Format == 's' ) )
 524         {
 525             LPCSTR str = va_arg( valist, const CHAR * );
 526
 527             if( str )
 528                 r = pf_output_format_A( out, str, -1, &flags );
 529             else
 530                 r = pf_output_format_A( out, "(null)", -1, &flags );
 531         }
 532
 533         /* output a single wide character */
 534         else if( ( flags.Format == 'c' && flags.IntegerLength == 'w' ) ||
 535             ( out->unicode && flags.Format == 'c' ) ||
 536             ( !out->unicode && flags.Format == 'C' ) )
 537         {
 538             WCHAR ch = va_arg( valist, int );
 539
 540             r = pf_output_format_W( out, &ch, 1, &flags );
 541         }
 542
 543         /* output a single ascii character */
 544         else if( ( flags.Format == 'c' && flags.IntegerLength == 'h' ) ||
 545             ( out->unicode && flags.Format == 'C' ) ||
 546             ( !out->unicode && flags.Format == 'c' ) )
 547         {
 548             CHAR ch = va_arg( valist, int );
 549
 550             r = pf_output_format_A( out, &ch, 1, &flags );
 551         }
 552
 553         /* output a pointer */
 554         else if( flags.Format == 'p' )
 555         {
 556             char pointer[11];
 557
 558             flags.PadZero = 0;
 559             if( flags.Alternate )
 560                 sprintf(pointer, "0X%08lX", va_arg(valist, long));
 561             else
 562                 sprintf(pointer, "%08lX", va_arg(valist, long));
 563             r = pf_output_format_A( out, pointer, -1, &flags );
 564         }
 565
 566         /* deal with %n */
 567         else if( flags.Format == 'n' )
 568         {
 569             int *x = va_arg(valist, int *);
 570             *x = out->used;
 571         }
 572
 573         /* deal with integers and floats using libc's printf */
 574         else if( pf_is_valid_format( flags.Format ) )
 575         {
 576             char fmt[20], number[40], *x = number;
 577
 578             if( flags.FieldLength >= sizeof number )
 579                 x = HeapAlloc( GetProcessHeap(), 0, flags.FieldLength+1 );
 580
 581             pf_rebuild_format_string( fmt, &flags );
 582
 583             if( pf_is_double_format( flags.Format ) )
 584                 sprintf( number, fmt, va_arg(valist, double) );
 585             else
 586                 sprintf( number, fmt, va_arg(valist, int) );
 587
 588             r = pf_output_stringA( out, number, -1 );
 589             if( x != number )
 590                 HeapFree( GetProcessHeap(), 0, number );
 591         }
 592         else
 593             continue;
 594
 595         if( r<0 )
 596             return r;
 597         p++;
 598     }
 599
 600     /* check we reached the end, and null terminate the string */
 601     assert( *p == 0 );
 602     r = pf_output_stringW( out, p, 1 );
 603     if( r<0 )
 604         return r;
 605
 606     return out->used - 1;
 607 }
 608
 609 /*********************************************************************
 610  *              _vsnprintf (MSVCRT.@)
 611  */
 612 int MSVCRT_vsnprintf( char *str, unsigned int len,
 613                 const char *format, va_list valist )
 614 {
 615     DWORD sz;
 616     LPWSTR formatW = NULL;
 617     pf_output out;
 618     int r;
 619
 620     out.unicode = FALSE;
 621     out.buf.A = str;
 622     out.used = 0;
 623     out.len = len;
 624
 625     if( format )
 626     {
 627         sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
 628         formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
 629         MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
 630     }
 631
 632     r = pf_vsnprintf( &out, formatW, valist );
 633
 634     HeapFree( GetProcessHeap(), 0, formatW );
 635
 636     return r;
 637 }
 638
 639 /*********************************************************************
 640  *              _vsnwsprintf (MSVCRT.@)
 641  */
 642 int MSVCRT_vsnwprintf( MSVCRT_wchar_t *str, unsigned int len,
 643                               const WCHAR *format, va_list valist )
 644 {
 645     pf_output out;
 646
 647     out.unicode = TRUE;
 648     out.buf.W = str;
 649     out.used = 0;
 650     out.len = len;
 651
 652     return pf_vsnprintf( &out, format, valist );
 653 }
 654
 655 /*********************************************************************
 656  *              sprintf (MSVCRT.@)
 657  */
 658 int MSVCRT_sprintf( char *str, const char *format, ... )
 659 {
 660     va_list ap;
 661     int r;
 662
 663     va_start( ap, format );
 664     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 665     va_end( ap );
 666     return r;
 667 }
 668
 669 /*********************************************************************
 670  *              swprintf (MSVCRT.@)
 671  */
 672 int MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 673 {
 674     va_list ap;
 675     int r;
 676
 677     va_start( ap, format );
 678     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 679     va_end( ap );
 680     return r;
 681 }
 682
 683 /*********************************************************************
 684  *              vswprintf (MSVCRT.@)
 685  */
 686 int MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
 687 {
 688     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 689 }
 690
 691 /*********************************************************************
 692  *              wcscoll (MSVCRT.@)
 693  */
 694 int MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 695 {
 696   /* FIXME: handle collates */
 697   return strcmpW( str1, str2 );
 698 }
 699
 700 /*********************************************************************
 701  *              wcspbrk (MSVCRT.@)
 702  */
 703 MSVCRT_wchar_t* MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
 704 {
 705   const MSVCRT_wchar_t* p;
 706   while (*str)
 707   {
 708     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
 709       str++;
 710   }
 711   return NULL;
 712 }
 713
 714 /*********************************************************************
 715  *              wctomb (MSVCRT.@)
 716  */
 717 INT MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
 718 {
 719   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
 720 }
 721
 722 /*********************************************************************
 723  *              iswalnum (MSVCRT.@)
 724  */
 725 INT MSVCRT_iswalnum( MSVCRT_wchar_t wc )
 726 {
 727     return isalnumW( wc );
 728 }
 729
 730 /*********************************************************************
 731  *              iswalpha (MSVCRT.@)
 732  */
 733 INT MSVCRT_iswalpha( MSVCRT_wchar_t wc )
 734 {
 735     return isalphaW( wc );
 736 }
 737
 738 /*********************************************************************
 739  *              iswcntrl (MSVCRT.@)
 740  */
 741 INT MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
 742 {
 743     return iscntrlW( wc );
 744 }
 745
 746 /*********************************************************************
 747  *              iswdigit (MSVCRT.@)
 748  */
 749 INT MSVCRT_iswdigit( MSVCRT_wchar_t wc )
 750 {
 751     return isdigitW( wc );
 752 }
 753
 754 /*********************************************************************
 755  *              iswgraph (MSVCRT.@)
 756  */
 757 INT MSVCRT_iswgraph( MSVCRT_wchar_t wc )
 758 {
 759     return isgraphW( wc );
 760 }
 761
 762 /*********************************************************************
 763  *              iswlower (MSVCRT.@)
 764  */
 765 INT MSVCRT_iswlower( MSVCRT_wchar_t wc )
 766 {
 767     return islowerW( wc );
 768 }
 769
 770 /*********************************************************************
 771  *              iswprint (MSVCRT.@)
 772  */
 773 INT MSVCRT_iswprint( MSVCRT_wchar_t wc )
 774 {
 775     return isprintW( wc );
 776 }
 777
 778 /*********************************************************************
 779  *              iswpunct (MSVCRT.@)
 780  */
 781 INT MSVCRT_iswpunct( MSVCRT_wchar_t wc )
 782 {
 783     return ispunctW( wc );
 784 }
 785
 786 /*********************************************************************
 787  *              iswspace (MSVCRT.@)
 788  */
 789 INT MSVCRT_iswspace( MSVCRT_wchar_t wc )
 790 {
 791     return isspaceW( wc );
 792 }
 793
 794 /*********************************************************************
 795  *              iswupper (MSVCRT.@)
 796  */
 797 INT MSVCRT_iswupper( MSVCRT_wchar_t wc )
 798 {
 799     return isupperW( wc );
 800 }
 801
 802 /*********************************************************************
 803  *              iswxdigit (MSVCRT.@)
 804  */
 805 INT MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
 806 {
 807     return isxdigitW( wc );
 808 }