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 <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* CDECL _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 CDECL _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* CDECL _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* CDECL _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* CDECL _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 CDECL 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     int 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( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 289         flags->Sign = 0;
 290
 291     if( left && flags->Sign )
 292     {
 293         flags->FieldLength--;
 294         if( flags->PadZero )
 295             r = pf_output_stringA( out, &flags->Sign, 1 );
 296     }
 297
 298     if( ( !left &&  flags->LeftAlign ) ||
 299         (  left && !flags->LeftAlign ))
 300     {
 301         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 302         {
 303             if( left && flags->PadZero )
 304                 r = pf_output_stringA( out, "0", 1 );
 305             else
 306                 r = pf_output_stringA( out, " ", 1 );
 307         }
 308     }
 309
 310     if( left && flags->Sign && !flags->PadZero )
 311         r = pf_output_stringA( out, &flags->Sign, 1 );
 312
 313     return r;
 314 }
 315
 316 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 317                                       int len, pf_flags *flags )
 318 {
 319     int r = 0;
 320
 321     if( len < 0 )
 322         len = strlenW( str );
 323
 324     if (flags->Precision >= 0 && flags->Precision < len)
 325         len = flags->Precision;
 326
 327     r = pf_fill( out, len, flags, 1 );
 328
 329     if( r>=0 )
 330         r = pf_output_stringW( out, str, len );
 331
 332     if( r>=0 )
 333         r = pf_fill( out, len, flags, 0 );
 334
 335     return r;
 336 }
 337
 338 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 339                                       int len, pf_flags *flags )
 340 {
 341     int r = 0;
 342
 343     if( len < 0 )
 344         len = strlen( str );
 345
 346     if (flags->Precision >= 0 && flags->Precision < len)
 347         len = flags->Precision;
 348
 349     r = pf_fill( out, len, flags, 1 );
 350
 351     if( r>=0 )
 352         r = pf_output_stringA( out, str, len );
 353
 354     if( r>=0 )
 355         r = pf_fill( out, len, flags, 0 );
 356
 357     return r;
 358 }
 359
 360 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 361                              pf_flags *flags, BOOL capital_letter)
 362 {
 363      if(str == NULL)  /* catch NULL pointer */
 364         return pf_output_format_A( out, "(null)", -1, flags);
 365
 366      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 367     if(flags->WideString || flags->IntegerLength == 'l')
 368         return pf_output_format_W( out, str, len, flags);
 369     if(flags->IntegerLength == 'h')
 370         return pf_output_format_A( out, str, len, flags);
 371
 372     /* %s,%c ->  chars in ansi functions & wchars in unicode
 373      * %S,%C -> wchars in ansi functions &  chars in unicode */
 374     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 375         return pf_output_format_A( out, str, len, flags);
 376     else
 377         return pf_output_format_W( out, str, len, flags);
 378 }
 379
 380 static inline BOOL pf_is_integer_format( char fmt )
 381 {
 382     static const char float_fmts[] = "diouxX";
 383     if (!fmt)
 384         return FALSE;
 385     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 386 }
 387
 388 static inline BOOL pf_is_double_format( char fmt )
 389 {
 390     static const char float_fmts[] = "aeEfgG";
 391     if (!fmt)
 392         return FALSE;
 393     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 394 }
 395
 396 static inline BOOL pf_is_valid_format( char fmt )
 397 {
 398     static const char float_fmts[] = "acCdeEfgGinouxX";
 399     if (!fmt)
 400         return FALSE;
 401     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 402 }
 403
 404 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 405 {
 406     *p++ = '%';
 407     if( flags->Sign )
 408         *p++ = flags->Sign;
 409     if( flags->LeftAlign )
 410         *p++ = flags->LeftAlign;
 411     if( flags->Alternate )
 412         *p++ = flags->Alternate;
 413     if( flags->PadZero )
 414         *p++ = flags->PadZero;
 415     if( flags->FieldLength )
 416     {
 417         sprintf(p, "%d", flags->FieldLength);
 418         p += strlen(p);
 419     }
 420     if( flags->Precision >= 0 )
 421     {
 422         sprintf(p, ".%d", flags->Precision);
 423         p += strlen(p);
 424     }
 425     *p++ = flags->Format;
 426     *p++ = 0;
 427 }
 428
 429 /* pf_integer_conv:  prints x to buf, including alternate formats,
 430    but not the sign */
 431 static void pf_integer_conv( char *buf, pf_flags *flags, LONGLONG x )
 432 {
 433     unsigned int base;
 434     const char *digits;
 435
 436     int i, j, k;
 437     char tmp[40];
 438
 439     base = 10;
 440     if( flags->Format == 'o' )
 441         base = 8;
 442     else if( flags->Format == 'x' || flags->Format == 'X' )
 443         base = 16;
 444
 445     if( flags->Format == 'X' )
 446         digits = "0123456789ABCDEFX";
 447     else
 448         digits = "0123456789abcdefx";
 449
 450     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 451     {
 452         x = -x;
 453         flags->Sign = '-';
 454     }
 455
 456     /* Do conversion (backwards) */
 457     i = 0;
 458     if( x == 0 && flags->Precision )
 459         tmp[i++] = '0';
 460     else
 461         while( x != 0 )
 462         {
 463             j = (ULONGLONG) x % base;
 464             x = (ULONGLONG) x / base;
 465             tmp[i++] = digits[j];
 466         }
 467     k = flags->Precision - i;
 468     while( k-- > 0 )
 469         tmp[i++] = '0';
 470     if( flags->Alternate )
 471     {
 472         if( base == 16 )
 473         {
 474             tmp[i++] = digits[16];
 475             tmp[i++] = '0';
 476         }
 477         else if( base == 8 && tmp[i-1] != '0' )
 478             tmp[i++] = '0';
 479     }
 480
 481     /* Reverse for buf */
 482     j = 0;
 483     while( i-- > 0 )
 484         buf[j++] = tmp[i];
 485     buf[j] = '\0';
 486
 487     /* Adjust precision so pf_fill won't truncate the number later */
 488     flags->Precision = strlen( buf );
 489
 490     return;
 491 }
 492
 493 /*********************************************************************
 494  *  pf_vsnprintf  (INTERNAL)
 495  *
 496  *  implements both A and W vsnprintf functions
 497  */
 498 static int pf_vsnprintf( pf_output *out, const WCHAR *format, va_list valist )
 499 {
 500     int r;
 501     LPCWSTR q, p = format;
 502     pf_flags flags;
 503
 504     TRACE("format is %s\n",debugstr_w(format));
 505     while (*p)
 506     {
 507         q = strchrW( p, '%' );
 508
 509         /* there's no % characters left, output the rest of the string */
 510         if( !q )
 511         {
 512             r = pf_output_stringW(out, p, -1);
 513             if( r<0 )
 514                 return r;
 515             p += r;
 516             continue;
 517         }
 518
 519         /* there's characters before the %, output them */
 520         if( q != p )
 521         {
 522             r = pf_output_stringW(out, p, q - p);
 523             if( r<0 )
 524                 return r;
 525             p = q;
 526         }
 527
 528         /* we must be at a % now, skip over it */
 529         assert( *p == '%' );
 530         p++;
 531
 532         /* output a single % character */
 533         if( *p == '%' )
 534         {
 535             r = pf_output_stringW(out, p++, 1);
 536             if( r<0 )
 537                 return r;
 538             continue;
 539         }
 540
 541         /* parse the flags */
 542         memset( &flags, 0, sizeof flags );
 543         while (*p)
 544         {
 545             if( *p == '+' || *p == ' ' )
 546             {
 547                 if ( flags.Sign != '+' )
 548                     flags.Sign = *p;
 549             }
 550             else if( *p == '-' )
 551                 flags.LeftAlign = *p;
 552             else if( *p == '0' )
 553                 flags.PadZero = *p;
 554             else if( *p == '#' )
 555                 flags.Alternate = *p;
 556             else
 557                 break;
 558             p++;
 559         }
 560
 561         /* deal with the field width specifier */
 562         flags.FieldLength = 0;
 563         if( *p == '*' )
 564         {
 565             flags.FieldLength = va_arg( valist, int );
 566             p++;
 567         }
 568         else while( isdigit(*p) )
 569         {
 570             flags.FieldLength *= 10;
 571             flags.FieldLength += *p++ - '0';
 572         }
 573
 574         /* deal with precision */
 575         flags.Precision = -1;
 576         if( *p == '.' )
 577         {
 578             flags.Precision = 0;
 579             p++;
 580             if( *p == '*' )
 581             {
 582                 flags.Precision = va_arg( valist, int );
 583                 p++;
 584             }
 585             else while( isdigit(*p) )
 586             {
 587                 flags.Precision *= 10;
 588                 flags.Precision += *p++ - '0';
 589             }
 590         }
 591
 592         /* deal with integer width modifier */
 593         while( *p )
 594         {
 595             if( *p == 'h' || *p == 'l' || *p == 'L' )
 596             {
 597                 flags.IntegerLength = *p;
 598                 p++;
 599             }
 600             else if( *p == 'I' )
 601             {
 602                 if( *(p+1) == '6' && *(p+2) == '4' )
 603                 {
 604                     flags.IntegerDouble++;
 605                     p += 3;
 606                 }
 607                 else if( *(p+1) == '3' && *(p+2) == '2' )
 608                     p += 3;
 609                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 610                     break;
 611                 else
 612                     p++;
 613             }
 614             else if( *p == 'w' )
 615                 flags.WideString = *p++;
 616             else if( *p == 'F' )
 617                 p++; /* ignore */
 618             else
 619                 break;
 620         }
 621
 622         flags.Format = *p;
 623         r = 0;
 624
 625         /* output a string */
 626         if(  flags.Format == 's' || flags.Format == 'S' )
 627             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 628                                          &flags, (flags.Format == 'S') );
 629
 630         /* output a single character */
 631         else if( flags.Format == 'c' || flags.Format == 'C' )
 632         {
 633             INT ch = va_arg( valist, int );
 634
 635             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 636         }
 637
 638         /* output a pointer */
 639         else if( flags.Format == 'p' )
 640         {
 641             char pointer[11];
 642
 643             flags.PadZero = 0;
 644             if( flags.Alternate )
 645                 sprintf(pointer, "0X%08lX", va_arg(valist, long));
 646             else
 647                 sprintf(pointer, "%08lX", va_arg(valist, long));
 648             r = pf_output_format_A( out, pointer, -1, &flags );
 649         }
 650
 651         /* deal with %n */
 652         else if( flags.Format == 'n' )
 653         {
 654             int *x = va_arg(valist, int *);
 655             *x = out->used;
 656         }
 657
 658         /* deal with 64-bit integers */
 659         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 660         {
 661             char number[40], *x = number;
 662
 663             if( flags.FieldLength >= sizeof number )
 664                 x = HeapAlloc( GetProcessHeap(), 0, flags.FieldLength+1 );
 665
 666             pf_integer_conv( x, &flags, va_arg(valist, LONGLONG) );
 667
 668             r = pf_output_format_A( out, x, -1, &flags );
 669             if( x != number )
 670                 HeapFree( GetProcessHeap(), 0, number );
 671         }
 672
 673         /* deal with integers and floats using libc's printf */
 674         else if( pf_is_valid_format( flags.Format ) )
 675         {
 676             char fmt[20], number[40], *x = number;
 677
 678             if( flags.FieldLength >= sizeof number )
 679                 x = HeapAlloc( GetProcessHeap(), 0, flags.FieldLength+1 );
 680
 681             pf_rebuild_format_string( fmt, &flags );
 682
 683             if( pf_is_double_format( flags.Format ) )
 684                 sprintf( x, fmt, va_arg(valist, double) );
 685             else
 686                 sprintf( x, fmt, va_arg(valist, int) );
 687
 688             r = pf_output_stringA( out, x, -1 );
 689             if( x != number )
 690                 HeapFree( GetProcessHeap(), 0, number );
 691         }
 692         else
 693             continue;
 694
 695         if( r<0 )
 696             return r;
 697         p++;
 698     }
 699
 700     /* check we reached the end, and null terminate the string */
 701     assert( *p == 0 );
 702     pf_output_stringW( out, p, 1 );
 703
 704     return out->used - 1;
 705 }
 706
 707 /*********************************************************************
 708  *              _vsnprintf (MSVCRT.@)
 709  */
 710 int CDECL MSVCRT_vsnprintf( char *str, unsigned int len,
 711                             const char *format, va_list valist )
 712 {
 713     DWORD sz;
 714     LPWSTR formatW = NULL;
 715     pf_output out;
 716     int r;
 717
 718     out.unicode = FALSE;
 719     out.buf.A = str;
 720     out.used = 0;
 721     out.len = len;
 722
 723     if( format )
 724     {
 725         sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
 726         formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
 727         MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
 728     }
 729
 730     r = pf_vsnprintf( &out, formatW, valist );
 731
 732     HeapFree( GetProcessHeap(), 0, formatW );
 733
 734     return r;
 735 }
 736
 737 /*********************************************************************
 738  *              _snprintf (MSVCRT.@)
 739  */
 740 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 741 {
 742     int retval;
 743     va_list valist;
 744     va_start(valist, format);
 745     retval = MSVCRT_vsnprintf(str, len, format, valist);
 746     va_end(valist);
 747     return retval;
 748 }
 749
 750 /*********************************************************************
 751  *              _vsnwsprintf (MSVCRT.@)
 752  */
 753 int CDECL MSVCRT_vsnwprintf( MSVCRT_wchar_t *str, unsigned int len,
 754                              const MSVCRT_wchar_t *format, va_list valist )
 755 {
 756     pf_output out;
 757
 758     out.unicode = TRUE;
 759     out.buf.W = str;
 760     out.used = 0;
 761     out.len = len;
 762
 763     return pf_vsnprintf( &out, format, valist );
 764 }
 765
 766 /*********************************************************************
 767  *              _snwprintf (MSVCRT.@)
 768  */
 769 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 770 {
 771     int retval;
 772     va_list valist;
 773     va_start(valist, format);
 774     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 775     va_end(valist);
 776     return retval;
 777 }
 778
 779 /*********************************************************************
 780  *              sprintf (MSVCRT.@)
 781  */
 782 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 783 {
 784     va_list ap;
 785     int r;
 786
 787     va_start( ap, format );
 788     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 789     va_end( ap );
 790     return r;
 791 }
 792
 793 /*********************************************************************
 794  *              swprintf (MSVCRT.@)
 795  */
 796 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 797 {
 798     va_list ap;
 799     int r;
 800
 801     va_start( ap, format );
 802     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 803     va_end( ap );
 804     return r;
 805 }
 806
 807 /*********************************************************************
 808  *              vswprintf (MSVCRT.@)
 809  */
 810 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
 811 {
 812     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 813 }
 814
 815 /*********************************************************************
 816  *              wcscoll (MSVCRT.@)
 817  */
 818 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 819 {
 820   /* FIXME: handle collates */
 821   return strcmpW( str1, str2 );
 822 }
 823
 824 /*********************************************************************
 825  *              wcspbrk (MSVCRT.@)
 826  */
 827 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
 828 {
 829   const MSVCRT_wchar_t* p;
 830   while (*str)
 831   {
 832     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
 833       str++;
 834   }
 835   return NULL;
 836 }
 837
 838 /*********************************************************************
 839  *              wcstok  (MSVCRT.@)
 840  */
 841 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
 842 {
 843     thread_data_t *data = msvcrt_get_thread_data();
 844     MSVCRT_wchar_t *ret;
 845
 846     if (!str)
 847         if (!(str = data->wcstok_next)) return NULL;
 848
 849     while (*str && strchrW( delim, *str )) str++;
 850     if (!*str) return NULL;
 851     ret = str++;
 852     while (*str && !strchrW( delim, *str )) str++;
 853     if (*str) *str++ = 0;
 854     data->wcstok_next = str;
 855     return ret;
 856 }
 857
 858
 859 /*********************************************************************
 860  *              wctomb (MSVCRT.@)
 861  */
 862 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
 863 {
 864   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
 865 }
 866
 867 /*********************************************************************
 868  *              iswalnum (MSVCRT.@)
 869  */
 870 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
 871 {
 872     return isalnumW( wc );
 873 }
 874
 875 /*********************************************************************
 876  *              iswalpha (MSVCRT.@)
 877  */
 878 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
 879 {
 880     return isalphaW( wc );
 881 }
 882
 883 /*********************************************************************
 884  *              iswcntrl (MSVCRT.@)
 885  */
 886 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
 887 {
 888     return iscntrlW( wc );
 889 }
 890
 891 /*********************************************************************
 892  *              iswdigit (MSVCRT.@)
 893  */
 894 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
 895 {
 896     return isdigitW( wc );
 897 }
 898
 899 /*********************************************************************
 900  *              iswgraph (MSVCRT.@)
 901  */
 902 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
 903 {
 904     return isgraphW( wc );
 905 }
 906
 907 /*********************************************************************
 908  *              iswlower (MSVCRT.@)
 909  */
 910 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
 911 {
 912     return islowerW( wc );
 913 }
 914
 915 /*********************************************************************
 916  *              iswprint (MSVCRT.@)
 917  */
 918 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
 919 {
 920     return isprintW( wc );
 921 }
 922
 923 /*********************************************************************
 924  *              iswpunct (MSVCRT.@)
 925  */
 926 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
 927 {
 928     return ispunctW( wc );
 929 }
 930
 931 /*********************************************************************
 932  *              iswspace (MSVCRT.@)
 933  */
 934 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
 935 {
 936     return isspaceW( wc );
 937 }
 938
 939 /*********************************************************************
 940  *              iswupper (MSVCRT.@)
 941  */
 942 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
 943 {
 944     return isupperW( wc );
 945 }
 946
 947 /*********************************************************************
 948  *              iswxdigit (MSVCRT.@)
 949  */
 950 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
 951 {
 952     return isxdigitW( wc );
 953 }