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     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 inline BOOL pf_is_integer_format( char fmt )
 361 {
 362     static const char float_fmts[] = "diouxX";
 363     if (!fmt)
 364         return FALSE;
 365     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 366 }
 367
 368 static inline BOOL pf_is_double_format( char fmt )
 369 {
 370     static const char float_fmts[] = "aeEfgG";
 371     if (!fmt)
 372         return FALSE;
 373     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 374 }
 375
 376 static inline BOOL pf_is_valid_format( char fmt )
 377 {
 378     static const char float_fmts[] = "acCdeEfgGinouxX";
 379     if (!fmt)
 380         return FALSE;
 381     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 382 }
 383
 384 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 385 {
 386     *p++ = '%';
 387     if( flags->Sign )
 388         *p++ = flags->Sign;
 389     if( flags->LeftAlign )
 390         *p++ = flags->LeftAlign;
 391     if( flags->Alternate )
 392         *p++ = flags->Alternate;
 393     if( flags->PadZero )
 394         *p++ = flags->PadZero;
 395     if( flags->FieldLength )
 396     {
 397         sprintf(p, "%d", flags->FieldLength);
 398         p += strlen(p);
 399     }
 400     if( flags->Precision >= 0 )
 401     {
 402         sprintf(p, ".%d", flags->Precision);
 403         p += strlen(p);
 404     }
 405     *p++ = flags->Format;
 406     *p++ = 0;
 407 }
 408
 409 /* pf_integer_conv:  prints x to buf, including alternate formats,
 410    but not the sign */
 411 static void pf_integer_conv( char *buf, pf_flags *flags, LONGLONG x )
 412 {
 413     unsigned int base;
 414     char *digits;
 415
 416     int i, j, k;
 417     char tmp[40];
 418
 419     base = 10;
 420     if( flags->Format == 'o' )
 421         base = 8;
 422     else if( flags->Format == 'x' || flags->Format == 'X' )
 423         base = 16;
 424
 425     if( flags->Format == 'X' )
 426         digits = "0123456789ABCDEFX";
 427     else
 428         digits = "0123456789abcdefx";
 429
 430     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 431     {
 432         x = -x;
 433         flags->Sign = '-';
 434     }
 435
 436     /* Do conversion (backwards) */
 437     i = 0;
 438     if( x == 0 && flags->Precision )
 439         tmp[i++] = '0';
 440     else
 441         while( x != 0 )
 442         {
 443             j = (ULONGLONG) x % base;
 444             x = (ULONGLONG) x / base;
 445             tmp[i++] = digits[j];
 446         }
 447     k = flags->Precision - i;
 448     while( k-- > 0 )
 449         tmp[i++] = '0';
 450     if( flags->Alternate )
 451     {
 452         if( base == 16 )
 453         {
 454             tmp[i++] = digits[16];
 455             tmp[i++] = '0';
 456         }
 457         else if( base == 8 && tmp[i-1] != '0' )
 458             tmp[i++] = '0';
 459     }
 460
 461     /* Reverse for buf */
 462     j = 0;
 463     while( i-- > 0 )
 464         buf[j++] = tmp[i];
 465     buf[j] = '\0';
 466
 467     /* Adjust precision so pf_fill won't truncate the number later */
 468     flags->Precision = strlen( buf );
 469
 470     return;
 471 }
 472
 473 /*********************************************************************
 474  *  pf_vsnprintf  (INTERNAL)
 475  *
 476  *  implements both A and W vsnprintf functions
 477  */
 478 static int pf_vsnprintf( pf_output *out, const WCHAR *format, va_list valist )
 479 {
 480     int r;
 481     LPCWSTR q, p = format;
 482     pf_flags flags;
 483
 484     TRACE("format is %s\n",debugstr_w(format));
 485     while (*p)
 486     {
 487         q = strchrW( p, '%' );
 488
 489         /* there's no % characters left, output the rest of the string */
 490         if( !q )
 491         {
 492             r = pf_output_stringW(out, p, -1);
 493             if( r<0 )
 494                 return r;
 495             p += r;
 496             continue;
 497         }
 498
 499         /* there's characters before the %, output them */
 500         if( q != p )
 501         {
 502             r = pf_output_stringW(out, p, q - p);
 503             if( r<0 )
 504                 return r;
 505             p = q;
 506         }
 507
 508         /* we must be at a % now, skip over it */
 509         assert( *p == '%' );
 510         p++;
 511
 512         /* output a single % character */
 513         if( *p == '%' )
 514         {
 515             r = pf_output_stringW(out, p++, 1);
 516             if( r<0 )
 517                 return r;
 518             continue;
 519         }
 520
 521         /* parse the flags */
 522         memset( &flags, 0, sizeof flags );
 523         while (*p)
 524         {
 525             if( *p == '+' || *p == ' ' )
 526             {
 527                 if ( flags.Sign != '+' )
 528                     flags.Sign = *p;
 529             }
 530             else if( *p == '-' )
 531                 flags.LeftAlign = *p;
 532             else if( *p == '0' )
 533                 flags.PadZero = *p;
 534             else if( *p == '#' )
 535                 flags.Alternate = *p;
 536             else
 537                 break;
 538             p++;
 539         }
 540
 541         /* deal with the field width specifier */
 542         flags.FieldLength = 0;
 543         if( *p == '*' )
 544         {
 545             flags.FieldLength = va_arg( valist, int );
 546             p++;
 547         }
 548         else while( isdigit(*p) )
 549         {
 550             flags.FieldLength *= 10;
 551             flags.FieldLength += *p++ - '0';
 552         }
 553
 554         /* deal with precision */
 555         flags.Precision = -1;
 556         if( *p == '.' )
 557         {
 558             flags.Precision = 0;
 559             p++;
 560             if( *p == '*' )
 561             {
 562                 flags.Precision = va_arg( valist, int );
 563                 p++;
 564             }
 565             else while( isdigit(*p) )
 566             {
 567                 flags.Precision *= 10;
 568                 flags.Precision += *p++ - '0';
 569             }
 570         }
 571
 572         /* deal with integer width modifier */
 573         while( *p )
 574         {
 575             if( *p == 'h' || *p == 'l' || *p == 'L' )
 576             {
 577                 flags.IntegerLength = *p;
 578                 p++;
 579             }
 580             else if( *p == 'I' )
 581             {
 582                 if( *(p+1) == '6' && *(p+2) == '4' )
 583                 {
 584                     flags.IntegerDouble++;
 585                     p += 3;
 586                 }
 587                 else if( *(p+1) == '3' && *(p+2) == '2' )
 588                     p += 3;
 589                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 590                     break;
 591                 else
 592                     p++;
 593             }
 594             else if( *p == 'w' )
 595                 flags.WideString = *p++;
 596             else if( *p == 'F' )
 597                 p++; /* ignore */
 598             else
 599                 break;
 600         }
 601
 602         flags.Format = *p;
 603         r = 0;
 604
 605         /* output a unicode string */
 606         if( ( flags.Format == 's' && (flags.WideString || flags.IntegerLength == 'l' )) ||
 607             ( !out->unicode && flags.Format == 'S' ) ||
 608             ( out->unicode && flags.Format == 's' ) )
 609         {
 610             LPCWSTR str = va_arg( valist, const WCHAR * );
 611
 612             if( str )
 613                 r = pf_output_format_W( out, str, -1, &flags );
 614             else
 615                 r = pf_output_format_A( out, "(null)", -1, &flags );
 616         }
 617
 618         /* output a ASCII string */
 619         else if( ( flags.Format == 's' && flags.IntegerLength == 'h' ) ||
 620             ( out->unicode && flags.Format == 'S' ) ||
 621             ( !out->unicode && flags.Format == 's' ) )
 622         {
 623             LPCSTR str = va_arg( valist, const CHAR * );
 624
 625             if( str )
 626                 r = pf_output_format_A( out, str, -1, &flags );
 627             else
 628                 r = pf_output_format_A( out, "(null)", -1, &flags );
 629         }
 630
 631         /* output a single wide character */
 632         else if( ( flags.Format == 'c' && flags.IntegerLength == 'w' ) ||
 633             ( out->unicode && flags.Format == 'c' ) ||
 634             ( !out->unicode && flags.Format == 'C' ) )
 635         {
 636             WCHAR ch = va_arg( valist, int );
 637
 638             r = pf_output_format_W( out, &ch, 1, &flags );
 639         }
 640
 641         /* output a single ascii character */
 642         else if( ( flags.Format == 'c' && flags.IntegerLength == 'h' ) ||
 643             ( out->unicode && flags.Format == 'C' ) ||
 644             ( !out->unicode && flags.Format == 'c' ) )
 645         {
 646             CHAR ch = va_arg( valist, int );
 647
 648             r = pf_output_format_A( out, &ch, 1, &flags );
 649         }
 650
 651         /* output a pointer */
 652         else if( flags.Format == 'p' )
 653         {
 654             char pointer[11];
 655
 656             flags.PadZero = 0;
 657             if( flags.Alternate )
 658                 sprintf(pointer, "0X%08lX", va_arg(valist, long));
 659             else
 660                 sprintf(pointer, "%08lX", va_arg(valist, long));
 661             r = pf_output_format_A( out, pointer, -1, &flags );
 662         }
 663
 664         /* deal with %n */
 665         else if( flags.Format == 'n' )
 666         {
 667             int *x = va_arg(valist, int *);
 668             *x = out->used;
 669         }
 670
 671         /* deal with 64-bit integers */
 672         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
 673         {
 674             char number[40], *x = number;
 675
 676             if( flags.FieldLength >= sizeof number )
 677                 x = HeapAlloc( GetProcessHeap(), 0, flags.FieldLength+1 );
 678
 679             pf_integer_conv( x, &flags, va_arg(valist, LONGLONG) );
 680
 681             r = pf_output_format_A( out, x, -1, &flags );
 682             if( x != number )
 683                 HeapFree( GetProcessHeap(), 0, number );
 684         }
 685
 686         /* deal with integers and floats using libc's printf */
 687         else if( pf_is_valid_format( flags.Format ) )
 688         {
 689             char fmt[20], number[40], *x = number;
 690
 691             if( flags.FieldLength >= sizeof number )
 692                 x = HeapAlloc( GetProcessHeap(), 0, flags.FieldLength+1 );
 693
 694             pf_rebuild_format_string( fmt, &flags );
 695
 696             if( pf_is_double_format( flags.Format ) )
 697                 sprintf( x, fmt, va_arg(valist, double) );
 698             else
 699                 sprintf( x, fmt, va_arg(valist, int) );
 700
 701             r = pf_output_stringA( out, x, -1 );
 702             if( x != number )
 703                 HeapFree( GetProcessHeap(), 0, number );
 704         }
 705         else
 706             continue;
 707
 708         if( r<0 )
 709             return r;
 710         p++;
 711     }
 712
 713     /* check we reached the end, and null terminate the string */
 714     assert( *p == 0 );
 715     pf_output_stringW( out, p, 1 );
 716
 717     return out->used - 1;
 718 }
 719
 720 /*********************************************************************
 721  *              _vsnprintf (MSVCRT.@)
 722  */
 723 int MSVCRT_vsnprintf( char *str, unsigned int len,
 724                 const char *format, va_list valist )
 725 {
 726     DWORD sz;
 727     LPWSTR formatW = NULL;
 728     pf_output out;
 729     int r;
 730
 731     out.unicode = FALSE;
 732     out.buf.A = str;
 733     out.used = 0;
 734     out.len = len;
 735
 736     if( format )
 737     {
 738         sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
 739         formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
 740         MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
 741     }
 742
 743     r = pf_vsnprintf( &out, formatW, valist );
 744
 745     HeapFree( GetProcessHeap(), 0, formatW );
 746
 747     return r;
 748 }
 749
 750 /*********************************************************************
 751  *              _snprintf (MSVCRT.@)
 752  */
 753 int MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 754 {
 755     int retval;
 756     va_list valist;
 757     va_start(valist, format);
 758     retval = MSVCRT_vsnprintf(str, len, format, valist);
 759     va_end(valist);
 760     return retval;
 761 }
 762
 763 /*********************************************************************
 764  *              _vsnwsprintf (MSVCRT.@)
 765  */
 766 int MSVCRT_vsnwprintf( MSVCRT_wchar_t *str, unsigned int len,
 767                        const MSVCRT_wchar_t *format, va_list valist )
 768 {
 769     pf_output out;
 770
 771     out.unicode = TRUE;
 772     out.buf.W = str;
 773     out.used = 0;
 774     out.len = len;
 775
 776     return pf_vsnprintf( &out, format, valist );
 777 }
 778
 779 /*********************************************************************
 780  *              _snwprintf (MSVCRT.@)
 781  */
 782 int MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 783 {
 784     int retval;
 785     va_list valist;
 786     va_start(valist, format);
 787     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 788     va_end(valist);
 789     return retval;
 790 }
 791
 792 /*********************************************************************
 793  *              sprintf (MSVCRT.@)
 794  */
 795 int MSVCRT_sprintf( char *str, const char *format, ... )
 796 {
 797     va_list ap;
 798     int r;
 799
 800     va_start( ap, format );
 801     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 802     va_end( ap );
 803     return r;
 804 }
 805
 806 /*********************************************************************
 807  *              swprintf (MSVCRT.@)
 808  */
 809 int MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 810 {
 811     va_list ap;
 812     int r;
 813
 814     va_start( ap, format );
 815     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 816     va_end( ap );
 817     return r;
 818 }
 819
 820 /*********************************************************************
 821  *              vswprintf (MSVCRT.@)
 822  */
 823 int MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
 824 {
 825     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 826 }
 827
 828 /*********************************************************************
 829  *              wcscoll (MSVCRT.@)
 830  */
 831 int MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 832 {
 833   /* FIXME: handle collates */
 834   return strcmpW( str1, str2 );
 835 }
 836
 837 /*********************************************************************
 838  *              wcspbrk (MSVCRT.@)
 839  */
 840 MSVCRT_wchar_t* MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
 841 {
 842   const MSVCRT_wchar_t* p;
 843   while (*str)
 844   {
 845     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
 846       str++;
 847   }
 848   return NULL;
 849 }
 850
 851 /*********************************************************************
 852  *              wcstok  (MSVCRT.@)
 853  */
 854 MSVCRT_wchar_t *MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
 855 {
 856     thread_data_t *data = msvcrt_get_thread_data();
 857     MSVCRT_wchar_t *ret;
 858
 859     if (!str)
 860         if (!(str = data->wcstok_next)) return NULL;
 861
 862     while (*str && strchrW( delim, *str )) str++;
 863     if (!*str) return NULL;
 864     ret = str++;
 865     while (*str && !strchrW( delim, *str )) str++;
 866     if (*str) *str++ = 0;
 867     data->wcstok_next = str;
 868     return ret;
 869 }
 870
 871
 872 /*********************************************************************
 873  *              wctomb (MSVCRT.@)
 874  */
 875 INT MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
 876 {
 877   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
 878 }
 879
 880 /*********************************************************************
 881  *              iswalnum (MSVCRT.@)
 882  */
 883 INT MSVCRT_iswalnum( MSVCRT_wchar_t wc )
 884 {
 885     return isalnumW( wc );
 886 }
 887
 888 /*********************************************************************
 889  *              iswalpha (MSVCRT.@)
 890  */
 891 INT MSVCRT_iswalpha( MSVCRT_wchar_t wc )
 892 {
 893     return isalphaW( wc );
 894 }
 895
 896 /*********************************************************************
 897  *              iswcntrl (MSVCRT.@)
 898  */
 899 INT MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
 900 {
 901     return iscntrlW( wc );
 902 }
 903
 904 /*********************************************************************
 905  *              iswdigit (MSVCRT.@)
 906  */
 907 INT MSVCRT_iswdigit( MSVCRT_wchar_t wc )
 908 {
 909     return isdigitW( wc );
 910 }
 911
 912 /*********************************************************************
 913  *              iswgraph (MSVCRT.@)
 914  */
 915 INT MSVCRT_iswgraph( MSVCRT_wchar_t wc )
 916 {
 917     return isgraphW( wc );
 918 }
 919
 920 /*********************************************************************
 921  *              iswlower (MSVCRT.@)
 922  */
 923 INT MSVCRT_iswlower( MSVCRT_wchar_t wc )
 924 {
 925     return islowerW( wc );
 926 }
 927
 928 /*********************************************************************
 929  *              iswprint (MSVCRT.@)
 930  */
 931 INT MSVCRT_iswprint( MSVCRT_wchar_t wc )
 932 {
 933     return isprintW( wc );
 934 }
 935
 936 /*********************************************************************
 937  *              iswpunct (MSVCRT.@)
 938  */
 939 INT MSVCRT_iswpunct( MSVCRT_wchar_t wc )
 940 {
 941     return ispunctW( wc );
 942 }
 943
 944 /*********************************************************************
 945  *              iswspace (MSVCRT.@)
 946  */
 947 INT MSVCRT_iswspace( MSVCRT_wchar_t wc )
 948 {
 949     return isspaceW( wc );
 950 }
 951
 952 /*********************************************************************
 953  *              iswupper (MSVCRT.@)
 954  */
 955 INT MSVCRT_iswupper( MSVCRT_wchar_t wc )
 956 {
 957     return isupperW( wc );
 958 }
 959
 960 /*********************************************************************
 961  *              iswxdigit (MSVCRT.@)
 962  */
 963 INT MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
 964 {
 965     return isxdigitW( wc );
 966 }