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 /* pf_fill: takes care of signs, alignment, zero and field padding */
 285 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 286 {
 287     int i, r = 0;
 288
 289     if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 290         flags->Sign = 0;
 291
 292     if( left && flags->Sign )
 293     {
 294         flags->FieldLength--;
 295         if( flags->PadZero )
 296             r = pf_output_stringA( out, &flags->Sign, 1 );
 297     }
 298
 299     if( ( !left &&  flags->LeftAlign ) ||
 300         (  left && !flags->LeftAlign ))
 301     {
 302         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 303         {
 304             if( left && flags->PadZero )
 305                 r = pf_output_stringA( out, "0", 1 );
 306             else
 307                 r = pf_output_stringA( out, " ", 1 );
 308         }
 309     }
 310
 311     if( left && flags->Sign && !flags->PadZero )
 312         r = pf_output_stringA( out, &flags->Sign, 1 );
 313
 314     return r;
 315 }
 316
 317 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 318                                       int len, pf_flags *flags )
 319 {
 320     int r = 0;
 321
 322     if( len < 0 )
 323         len = strlenW( str );
 324
 325     if (flags->Precision >= 0 && flags->Precision < len)
 326         len = flags->Precision;
 327
 328     r = pf_fill( out, len, flags, 1 );
 329
 330     if( r>=0 )
 331         r = pf_output_stringW( out, str, len );
 332
 333     if( r>=0 )
 334         r = pf_fill( out, len, flags, 0 );
 335
 336     return r;
 337 }
 338
 339 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 340                                       int len, pf_flags *flags )
 341 {
 342     int r = 0;
 343
 344     if( len < 0 )
 345         len = strlen( str );
 346
 347     if (flags->Precision >= 0 && flags->Precision < len)
 348         len = flags->Precision;
 349
 350     r = pf_fill( out, len, flags, 1 );
 351
 352     if( r>=0 )
 353         r = pf_output_stringA( out, str, len );
 354
 355     if( r>=0 )
 356         r = pf_fill( out, len, flags, 0 );
 357
 358     return r;
 359 }
 360
 361 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 362                              pf_flags *flags, BOOL capital_letter)
 363 {
 364      if(str == NULL)  /* catch NULL pointer */
 365         return pf_output_format_A( out, "(null)", -1, flags);
 366
 367      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 368     if(flags->WideString || flags->IntegerLength == 'l')
 369         return pf_output_format_W( out, str, len, flags);
 370     if(flags->IntegerLength == 'h')
 371         return pf_output_format_A( out, str, len, flags);
 372
 373     /* %s,%c ->  chars in ansi functions & wchars in unicode
 374      * %S,%C -> wchars in ansi functions &  chars in unicode */
 375     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 376         return pf_output_format_A( out, str, len, flags);
 377     else
 378         return pf_output_format_W( out, str, len, flags);
 379 }
 380
 381 static inline BOOL pf_is_integer_format( char fmt )
 382 {
 383     static const char float_fmts[] = "diouxX";
 384     if (!fmt)
 385         return FALSE;
 386     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 387 }
 388
 389 static inline BOOL pf_is_double_format( char fmt )
 390 {
 391     static const char float_fmts[] = "aeEfgG";
 392     if (!fmt)
 393         return FALSE;
 394     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 395 }
 396
 397 static inline BOOL pf_is_valid_format( char fmt )
 398 {
 399     static const char float_fmts[] = "acCdeEfgGinouxX";
 400     if (!fmt)
 401         return FALSE;
 402     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 403 }
 404
 405 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 406 {
 407     *p++ = '%';
 408     if( flags->Sign )
 409         *p++ = flags->Sign;
 410     if( flags->LeftAlign )
 411         *p++ = flags->LeftAlign;
 412     if( flags->Alternate )
 413         *p++ = flags->Alternate;
 414     if( flags->PadZero )
 415         *p++ = flags->PadZero;
 416     if( flags->FieldLength )
 417     {
 418         sprintf(p, "%d", flags->FieldLength);
 419         p += strlen(p);
 420     }
 421     if( flags->Precision >= 0 )
 422     {
 423         sprintf(p, ".%d", flags->Precision);
 424         p += strlen(p);
 425     }
 426     *p++ = flags->Format;
 427     *p++ = 0;
 428 }
 429
 430 /* pf_integer_conv:  prints x to buf, including alternate formats and
 431    additional precision digits, but not field characters or the sign */
 432 static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
 433                              LONGLONG x )
 434 {
 435     unsigned int base;
 436     const char *digits;
 437
 438     int i, j, k;
 439     char number[40], *tmp = number;
 440
 441     if( buf_len > sizeof number )
 442         tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
 443
 444     base = 10;
 445     if( flags->Format == 'o' )
 446         base = 8;
 447     else if( flags->Format == 'x' || flags->Format == 'X' )
 448         base = 16;
 449
 450     if( flags->Format == 'X' )
 451         digits = "0123456789ABCDEFX";
 452     else
 453         digits = "0123456789abcdefx";
 454
 455     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 456     {
 457         x = -x;
 458         flags->Sign = '-';
 459     }
 460
 461     /* Do conversion (backwards) */
 462     i = 0;
 463     if( x == 0 && flags->Precision )
 464         tmp[i++] = '0';
 465     else
 466         while( x != 0 )
 467         {
 468             j = (ULONGLONG) x % base;
 469             x = (ULONGLONG) x / base;
 470             tmp[i++] = digits[j];
 471         }
 472     k = flags->Precision - i;
 473     while( k-- > 0 )
 474         tmp[i++] = '0';
 475     if( flags->Alternate )
 476     {
 477         if( base == 16 )
 478         {
 479             tmp[i++] = digits[16];
 480             tmp[i++] = '0';
 481         }
 482         else if( base == 8 && tmp[i-1] != '0' )
 483             tmp[i++] = '0';
 484     }
 485
 486     /* Reverse for buf */
 487     j = 0;
 488     while( i-- > 0 )
 489         buf[j++] = tmp[i];
 490     buf[j] = '\0';
 491
 492     /* Adjust precision so pf_fill won't truncate the number later */
 493     flags->Precision = strlen( buf );
 494
 495     if( tmp != number )
 496         HeapFree( GetProcessHeap(), 0, tmp );
 497
 498     return;
 499 }
 500
 501 /*********************************************************************
 502  *  pf_vsnprintf  (INTERNAL)
 503  *
 504  *  implements both A and W vsnprintf functions
 505  */
 506 static int pf_vsnprintf( pf_output *out, const WCHAR *format, va_list valist )
 507 {
 508     int r;
 509     LPCWSTR q, p = format;
 510     pf_flags flags;
 511
 512     TRACE("format is %s\n",debugstr_w(format));
 513     while (*p)
 514     {
 515         q = strchrW( p, '%' );
 516
 517         /* there's no % characters left, output the rest of the string */
 518         if( !q )
 519         {
 520             r = pf_output_stringW(out, p, -1);
 521             if( r<0 )
 522                 return r;
 523             p += r;
 524             continue;
 525         }
 526
 527         /* there's characters before the %, output them */
 528         if( q != p )
 529         {
 530             r = pf_output_stringW(out, p, q - p);
 531             if( r<0 )
 532                 return r;
 533             p = q;
 534         }
 535
 536         /* we must be at a % now, skip over it */
 537         assert( *p == '%' );
 538         p++;
 539
 540         /* output a single % character */
 541         if( *p == '%' )
 542         {
 543             r = pf_output_stringW(out, p++, 1);
 544             if( r<0 )
 545                 return r;
 546             continue;
 547         }
 548
 549         /* parse the flags */
 550         memset( &flags, 0, sizeof flags );
 551         while (*p)
 552         {
 553             if( *p == '+' || *p == ' ' )
 554             {
 555                 if ( flags.Sign != '+' )
 556                     flags.Sign = *p;
 557             }
 558             else if( *p == '-' )
 559                 flags.LeftAlign = *p;
 560             else if( *p == '0' )
 561                 flags.PadZero = *p;
 562             else if( *p == '#' )
 563                 flags.Alternate = *p;
 564             else
 565                 break;
 566             p++;
 567         }
 568
 569         /* deal with the field width specifier */
 570         flags.FieldLength = 0;
 571         if( *p == '*' )
 572         {
 573             flags.FieldLength = va_arg( valist, int );
 574             if (flags.FieldLength < 0)
 575             {
 576                 flags.LeftAlign = '-';
 577                 flags.FieldLength = -flags.FieldLength;
 578             }
 579             p++;
 580         }
 581         else while( isdigit(*p) )
 582         {
 583             flags.FieldLength *= 10;
 584             flags.FieldLength += *p++ - '0';
 585         }
 586
 587         /* deal with precision */
 588         flags.Precision = -1;
 589         if( *p == '.' )
 590         {
 591             flags.Precision = 0;
 592             p++;
 593             if( *p == '*' )
 594             {
 595                 flags.Precision = va_arg( valist, int );
 596                 p++;
 597             }
 598             else while( isdigit(*p) )
 599             {
 600                 flags.Precision *= 10;
 601                 flags.Precision += *p++ - '0';
 602             }
 603         }
 604
 605         /* deal with integer width modifier */
 606         while( *p )
 607         {
 608             if( *p == 'h' || *p == 'l' || *p == 'L' )
 609             {
 610                 flags.IntegerLength = *p;
 611                 p++;
 612             }
 613             else if( *p == 'I' )
 614             {
 615                 if( *(p+1) == '6' && *(p+2) == '4' )
 616                 {
 617                     flags.IntegerDouble++;
 618                     p += 3;
 619                 }
 620                 else if( *(p+1) == '3' && *(p+2) == '2' )
 621                     p += 3;
 622                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 623                     break;
 624                 else
 625                     p++;
 626             }
 627             else if( *p == 'w' )
 628                 flags.WideString = *p++;
 629             else if( *p == 'F' )
 630                 p++; /* ignore */
 631             else
 632                 break;
 633         }
 634
 635         flags.Format = *p;
 636         r = 0;
 637
 638         /* output a string */
 639         if(  flags.Format == 's' || flags.Format == 'S' )
 640             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 641                                          &flags, (flags.Format == 'S') );
 642
 643         /* output a single character */
 644         else if( flags.Format == 'c' || flags.Format == 'C' )
 645         {
 646             INT ch = va_arg( valist, int );
 647
 648             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 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             /* Estimate largest possible required buffer size:
 677                * Chooses the larger of the field or precision
 678                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 679                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 680                  for a decimal, and 1 byte for an additional float digit. */
 681             int x_len = ((flags.FieldLength > flags.Precision) ?
 682                         flags.FieldLength : flags.Precision) + 10;
 683
 684             if( x_len >= sizeof number)
 685                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 686
 687             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
 688
 689             r = pf_output_format_A( out, x, -1, &flags );
 690             if( x != number )
 691                 HeapFree( GetProcessHeap(), 0, x );
 692         }
 693
 694         /* deal with integers and floats using libc's printf */
 695         else if( pf_is_valid_format( flags.Format ) )
 696         {
 697             char fmt[20], number[40], *x = number;
 698
 699             /* Estimate largest possible required buffer size:
 700                * Chooses the larger of the field or precision
 701                * Includes extra bytes: 1 byte for null, 1 byte for sign,
 702                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
 703                  for a decimal, and 1 byte for an additional float digit. */
 704             int x_len = ((flags.FieldLength > flags.Precision) ?
 705                         flags.FieldLength : flags.Precision) + 10;
 706
 707             if( x_len >= sizeof number)
 708                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
 709
 710             pf_rebuild_format_string( fmt, &flags );
 711
 712             if( pf_is_double_format( flags.Format ) )
 713                 sprintf( x, fmt, va_arg(valist, double) );
 714             else
 715                 sprintf( x, fmt, va_arg(valist, int) );
 716
 717             r = pf_output_stringA( out, x, -1 );
 718             if( x != number )
 719                 HeapFree( GetProcessHeap(), 0, x );
 720         }
 721         else
 722             continue;
 723
 724         if( r<0 )
 725             return r;
 726         p++;
 727     }
 728
 729     /* check we reached the end, and null terminate the string */
 730     assert( *p == 0 );
 731     pf_output_stringW( out, p, 1 );
 732
 733     return out->used - 1;
 734 }
 735
 736 /*********************************************************************
 737  *              _vsnprintf (MSVCRT.@)
 738  */
 739 int CDECL MSVCRT_vsnprintf( char *str, unsigned int len,
 740                             const char *format, va_list valist )
 741 {
 742     DWORD sz;
 743     LPWSTR formatW = NULL;
 744     pf_output out;
 745     int r;
 746
 747     out.unicode = FALSE;
 748     out.buf.A = str;
 749     out.used = 0;
 750     out.len = len;
 751
 752     if( format )
 753     {
 754         sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
 755         formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
 756         MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
 757     }
 758
 759     r = pf_vsnprintf( &out, formatW, valist );
 760
 761     HeapFree( GetProcessHeap(), 0, formatW );
 762
 763     return r;
 764 }
 765
 766 /*********************************************************************
 767  *              vsprintf (MSVCRT.@)
 768  */
 769 int CDECL MSVCRT_vsprintf( char *str, const char *format, va_list valist)
 770 {
 771     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
 772 }
 773
 774 /*********************************************************************
 775  *              _snprintf (MSVCRT.@)
 776  */
 777 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
 778 {
 779     int retval;
 780     va_list valist;
 781     va_start(valist, format);
 782     retval = MSVCRT_vsnprintf(str, len, format, valist);
 783     va_end(valist);
 784     return retval;
 785 }
 786
 787 /*********************************************************************
 788  *              _vsnwsprintf (MSVCRT.@)
 789  */
 790 int CDECL MSVCRT_vsnwprintf( MSVCRT_wchar_t *str, unsigned int len,
 791                              const MSVCRT_wchar_t *format, va_list valist )
 792 {
 793     pf_output out;
 794
 795     out.unicode = TRUE;
 796     out.buf.W = str;
 797     out.used = 0;
 798     out.len = len;
 799
 800     return pf_vsnprintf( &out, format, valist );
 801 }
 802
 803 /*********************************************************************
 804  *              _snwprintf (MSVCRT.@)
 805  */
 806 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
 807 {
 808     int retval;
 809     va_list valist;
 810     va_start(valist, format);
 811     retval = MSVCRT_vsnwprintf(str, len, format, valist);
 812     va_end(valist);
 813     return retval;
 814 }
 815
 816 /*********************************************************************
 817  *              sprintf (MSVCRT.@)
 818  */
 819 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
 820 {
 821     va_list ap;
 822     int r;
 823
 824     va_start( ap, format );
 825     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
 826     va_end( ap );
 827     return r;
 828 }
 829
 830 /*********************************************************************
 831  *              swprintf (MSVCRT.@)
 832  */
 833 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
 834 {
 835     va_list ap;
 836     int r;
 837
 838     va_start( ap, format );
 839     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
 840     va_end( ap );
 841     return r;
 842 }
 843
 844 /*********************************************************************
 845  *              vswprintf (MSVCRT.@)
 846  */
 847 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
 848 {
 849     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
 850 }
 851
 852 /*********************************************************************
 853  *              wcscoll (MSVCRT.@)
 854  */
 855 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 856 {
 857   /* FIXME: handle collates */
 858   return strcmpW( str1, str2 );
 859 }
 860
 861 /*********************************************************************
 862  *              wcspbrk (MSVCRT.@)
 863  */
 864 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
 865 {
 866   const MSVCRT_wchar_t* p;
 867   while (*str)
 868   {
 869     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
 870       str++;
 871   }
 872   return NULL;
 873 }
 874
 875 /*********************************************************************
 876  *              wcstok  (MSVCRT.@)
 877  */
 878 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
 879 {
 880     thread_data_t *data = msvcrt_get_thread_data();
 881     MSVCRT_wchar_t *ret;
 882
 883     if (!str)
 884         if (!(str = data->wcstok_next)) return NULL;
 885
 886     while (*str && strchrW( delim, *str )) str++;
 887     if (!*str) return NULL;
 888     ret = str++;
 889     while (*str && !strchrW( delim, *str )) str++;
 890     if (*str) *str++ = 0;
 891     data->wcstok_next = str;
 892     return ret;
 893 }
 894
 895
 896 /*********************************************************************
 897  *              wctomb (MSVCRT.@)
 898  */
 899 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
 900 {
 901   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
 902 }
 903
 904 /*********************************************************************
 905  *              iswalnum (MSVCRT.@)
 906  */
 907 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
 908 {
 909     return isalnumW( wc );
 910 }
 911
 912 /*********************************************************************
 913  *              iswalpha (MSVCRT.@)
 914  */
 915 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
 916 {
 917     return isalphaW( wc );
 918 }
 919
 920 /*********************************************************************
 921  *              iswcntrl (MSVCRT.@)
 922  */
 923 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
 924 {
 925     return iscntrlW( wc );
 926 }
 927
 928 /*********************************************************************
 929  *              iswdigit (MSVCRT.@)
 930  */
 931 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
 932 {
 933     return isdigitW( wc );
 934 }
 935
 936 /*********************************************************************
 937  *              iswgraph (MSVCRT.@)
 938  */
 939 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
 940 {
 941     return isgraphW( wc );
 942 }
 943
 944 /*********************************************************************
 945  *              iswlower (MSVCRT.@)
 946  */
 947 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
 948 {
 949     return islowerW( wc );
 950 }
 951
 952 /*********************************************************************
 953  *              iswprint (MSVCRT.@)
 954  */
 955 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
 956 {
 957     return isprintW( wc );
 958 }
 959
 960 /*********************************************************************
 961  *              iswpunct (MSVCRT.@)
 962  */
 963 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
 964 {
 965     return ispunctW( wc );
 966 }
 967
 968 /*********************************************************************
 969  *              iswspace (MSVCRT.@)
 970  */
 971 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
 972 {
 973     return isspaceW( wc );
 974 }
 975
 976 /*********************************************************************
 977  *              iswupper (MSVCRT.@)
 978  */
 979 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
 980 {
 981     return isupperW( wc );
 982 }
 983
 984 /*********************************************************************
 985  *              iswxdigit (MSVCRT.@)
 986  */
 987 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
 988 {
 989     return isxdigitW( wc );
 990 }