dlls/msvcrt/wcs.c

   1 /*
   2  * msvcrt.dll wide-char functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <limits.h>
  25 #include <stdio.h>
  26 #include <math.h>
  27 #include <assert.h>
  28 #include "msvcrt.h"
  29 #include "winnls.h"
  30 #include "wine/unicode.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  34
  35
  36 /*********************************************************************
  37  *              _wcsdup (MSVCRT.@)
  38  */
  39 MSVCRT_wchar_t* CDECL _wcsdup( const MSVCRT_wchar_t* str )
  40 {
  41   MSVCRT_wchar_t* ret = NULL;
  42   if (str)
  43   {
  44     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  45     ret = MSVCRT_malloc( size );
  46     if (ret) memcpy( ret, str, size );
  47   }
  48   return ret;
  49 }
  50
  51 /*********************************************************************
  52  *              _wcsicoll (MSVCRT.@)
  53  */
  54 INT CDECL _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  55 {
  56   /* FIXME: handle collates */
  57   return strcmpiW( str1, str2 );
  58 }
  59
  60 /*********************************************************************
  61  *              _wcsnicoll (MSVCRT.@)
  62  */
  63 INT CDECL _wcsnicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2, MSVCRT_size_t count )
  64 {
  65   /* FIXME: handle collates */
  66   return strncmpiW( str1, str2, count );
  67 }
  68
  69 /*********************************************************************
  70  *              _wcsnset (MSVCRT.@)
  71  */
  72 MSVCRT_wchar_t* CDECL MSVCRT__wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  73 {
  74   MSVCRT_wchar_t* ret = str;
  75   while ((n-- > 0) && *str) *str++ = c;
  76   return ret;
  77 }
  78
  79 /*********************************************************************
  80  *              _wcsrev (MSVCRT.@)
  81  */
  82 MSVCRT_wchar_t* CDECL _wcsrev( MSVCRT_wchar_t* str )
  83 {
  84   MSVCRT_wchar_t* ret = str;
  85   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
  86   while (end > str)
  87   {
  88     MSVCRT_wchar_t t = *end;
  89     *end--  = *str;
  90     *str++  = t;
  91   }
  92   return ret;
  93 }
  94
  95 /*********************************************************************
  96  *              _wcsset (MSVCRT.@)
  97  */
  98 MSVCRT_wchar_t* CDECL _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
  99 {
 100   MSVCRT_wchar_t* ret = str;
 101   while (*str) *str++ = c;
 102   return ret;
 103 }
 104
 105 /******************************************************************
 106  *              _wcsupr_s_l (MSVCRT.@)
 107  */
 108 int CDECL MSVCRT__wcsupr_s_l( MSVCRT_wchar_t* str, MSVCRT_size_t n,
 109    MSVCRT__locale_t locale )
 110 {
 111   MSVCRT_wchar_t* ptr = str;
 112
 113   if (!str || !n)
 114   {
 115     if (str) *str = '\0';
 116     *MSVCRT__errno() = MSVCRT_EINVAL;
 117     return MSVCRT_EINVAL;
 118   }
 119
 120   while (n--)
 121   {
 122     if (!*ptr) return 0;
 123     /* FIXME: add locale support */
 124     *ptr = toupperW(*ptr);
 125     ptr++;
 126   }
 127
 128   /* MSDN claims that the function should return and set errno to
 129    * ERANGE, which doesn't seem to be true based on the tests. */
 130   *str = '\0';
 131   *MSVCRT__errno() = MSVCRT_EINVAL;
 132   return MSVCRT_EINVAL;
 133 }
 134
 135 /******************************************************************
 136  *              _wcsupr_s (MSVCRT.@)
 137  *
 138  */
 139 INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 140 {
 141   return MSVCRT__wcsupr_s_l( str, n, NULL );
 142 }
 143
 144 /******************************************************************
 145  *              _wcslwr_s (MSVCRT.@)
 146  */
 147 int CDECL MSVCRT__wcslwr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
 148 {
 149   MSVCRT_wchar_t* ptr = str;
 150
 151   if (!str || !n)
 152   {
 153     if (str) *str = '\0';
 154     *MSVCRT__errno() = MSVCRT_EINVAL;
 155     return MSVCRT_EINVAL;
 156   }
 157
 158   while (n--)
 159   {
 160     if (!*ptr) return 0;
 161     *ptr = tolowerW(*ptr);
 162     ptr++;
 163   }
 164
 165   /* MSDN claims that the function should return and set errno to
 166    * ERANGE, which doesn't seem to be true based on the tests. */
 167   *str = '\0';
 168   *MSVCRT__errno() = MSVCRT_EINVAL;
 169   return MSVCRT_EINVAL;
 170 }
 171
 172 /*********************************************************************
 173  * _wcstod_l - not exported in native msvcrt
 174  */
 175 double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
 176         MSVCRT__locale_t locale)
 177 {
 178     unsigned __int64 d=0, hlp;
 179     unsigned fpcontrol;
 180     int exp=0, sign=1;
 181     const MSVCRT_wchar_t *p;
 182     double ret;
 183     BOOL found_digit = FALSE;
 184
 185     if (!MSVCRT_CHECK_PMT(str != NULL)) {
 186         *MSVCRT__errno() = MSVCRT_EINVAL;
 187         return 0;
 188     }
 189
 190     if(!locale)
 191         locale = get_locale();
 192
 193     p = str;
 194     while(isspaceW(*p))
 195         p++;
 196
 197     if(*p == '-') {
 198         sign = -1;
 199         p++;
 200     } else  if(*p == '+')
 201         p++;
 202
 203     while(isdigitW(*p)) {
 204         found_digit = TRUE;
 205         hlp = d*10+*(p++)-'0';
 206         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 207             exp++;
 208             break;
 209         } else
 210             d = hlp;
 211     }
 212     while(isdigitW(*p)) {
 213         exp++;
 214         p++;
 215     }
 216     if(*p == *locale->locinfo->lconv->decimal_point)
 217         p++;
 218
 219     while(isdigitW(*p)) {
 220         found_digit = TRUE;
 221         hlp = d*10+*(p++)-'0';
 222         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 223             break;
 224
 225         d = hlp;
 226         exp--;
 227     }
 228     while(isdigitW(*p))
 229         p++;
 230
 231     if(!found_digit) {
 232         if(end)
 233             *end = (MSVCRT_wchar_t*)str;
 234         return 0.0;
 235     }
 236
 237     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 238         int e=0, s=1;
 239
 240         p++;
 241         if(*p == '-') {
 242             s = -1;
 243             p++;
 244         } else if(*p == '+')
 245             p++;
 246
 247         if(isdigitW(*p)) {
 248             while(isdigitW(*p)) {
 249                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 250                     e = INT_MAX;
 251                 p++;
 252             }
 253             e *= s;
 254
 255             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 256             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 257             else exp += e;
 258         } else {
 259             if(*p=='-' || *p=='+')
 260                 p--;
 261             p--;
 262         }
 263     }
 264
 265     fpcontrol = _control87(0, 0);
 266     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 267             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 268
 269     if(exp>0)
 270         ret = (double)sign*d*pow(10, exp);
 271     else
 272         ret = (double)sign*d/pow(10, -exp);
 273
 274     _control87(fpcontrol, 0xffffffff);
 275
 276     if((d && ret==0.0) || isinf(ret))
 277         *MSVCRT__errno() = MSVCRT_ERANGE;
 278
 279     if(end)
 280         *end = (MSVCRT_wchar_t*)p;
 281
 282     return ret;
 283 }
 284
 285 /*********************************************************************
 286  *              _wcstombs_l (MSVCRT.@)
 287  */
 288 MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
 289         MSVCRT_size_t count, MSVCRT__locale_t locale)
 290 {
 291     char default_char = '\0';
 292     MSVCRT_size_t tmp = 0;
 293     BOOL used_default;
 294
 295     if(!locale)
 296         locale = get_locale();
 297
 298     if(!mbstr)
 299         return WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 300                 wcstr, -1, NULL, 0, &default_char, &used_default)-1;
 301
 302     while(*wcstr) {
 303         char buf[3];
 304         MSVCRT_size_t i, size;
 305
 306         size = WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 307                 wcstr, 1, buf, 3, &default_char, &used_default);
 308         if(used_default)
 309             return -1;
 310         if(tmp+size > count)
 311             return tmp;
 312
 313         for(i=0; i<size; i++)
 314             mbstr[tmp++] = buf[i];
 315         wcstr++;
 316     }
 317
 318     if(tmp < count)
 319         mbstr[tmp] = '\0';
 320     return tmp;
 321 }
 322
 323 /*********************************************************************
 324  *              wcstombs (MSVCRT.@)
 325  */
 326 MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
 327         MSVCRT_size_t count)
 328 {
 329     return MSVCRT__wcstombs_l(mbstr, wcstr, count, NULL);
 330 }
 331
 332 /*********************************************************************
 333  *              _wcstombs_s_l (MSVCRT.@)
 334  */
 335 MSVCRT_size_t CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
 336         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
 337         MSVCRT_size_t count, MSVCRT__locale_t locale)
 338 {
 339     MSVCRT_size_t conv;
 340
 341     if(!mbstr && !size) {
 342         conv = MSVCRT__wcstombs_l(NULL, wcstr, 0, locale);
 343         if(ret)
 344             *ret = conv+1;
 345         return 0;
 346     }
 347
 348     if (!MSVCRT_CHECK_PMT(wcstr != NULL) || !MSVCRT_CHECK_PMT(mbstr != NULL)) {
 349         if(mbstr && size)
 350             mbstr[0] = '\0';
 351         *MSVCRT__errno() = MSVCRT_EINVAL;
 352         return MSVCRT_EINVAL;
 353     }
 354
 355     if(count==MSVCRT__TRUNCATE || size<count)
 356         conv = size;
 357     else
 358         conv = count;
 359
 360     conv = MSVCRT__wcstombs_l(mbstr, wcstr, conv, locale);
 361     if(conv<size)
 362         mbstr[conv++] = '\0';
 363     else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
 364         mbstr[conv-1] = '\0';
 365     else {
 366         MSVCRT_INVALID_PMT("mbstr[size] is too small");
 367         if(size)
 368             mbstr[0] = '\0';
 369         *MSVCRT__errno() = MSVCRT_ERANGE;
 370         return MSVCRT_ERANGE;
 371     }
 372
 373     if(ret)
 374         *ret = conv;
 375     return 0;
 376 }
 377
 378 /*********************************************************************
 379  *              wcstombs_s (MSVCRT.@)
 380  */
 381 MSVCRT_size_t CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
 382         MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
 383 {
 384     return MSVCRT__wcstombs_s_l(ret, mbstr, size, wcstr, count, NULL);
 385 }
 386
 387 /*********************************************************************
 388  *              wcstod (MSVCRT.@)
 389  */
 390 double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
 391 {
 392     return MSVCRT__wcstod_l(lpszStr, end, NULL);
 393 }
 394
 395 /*********************************************************************
 396  *              _wtof (MSVCRT.@)
 397  */
 398 double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
 399 {
 400     return MSVCRT__wcstod_l(str, NULL, NULL);
 401 }
 402
 403 /*********************************************************************
 404  *              _wtof_l (MSVCRT.@)
 405  */
 406 double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 407 {
 408     return MSVCRT__wcstod_l(str, NULL, locale);
 409 }
 410
 411 typedef struct pf_flags_t
 412 {
 413     char Sign, LeftAlign, Alternate, PadZero;
 414     int FieldLength, Precision;
 415     char IntegerLength, IntegerDouble;
 416     char WideString;
 417     char Format;
 418 } pf_flags;
 419
 420 static inline BOOL pf_is_auto_grow(pf_output *out)
 421 {
 422     return (out->unicode) ? !!out->grow.W : !!out->grow.A;
 423 }
 424
 425 static inline int pf_check_auto_grow(pf_output *out, unsigned delta)
 426 {
 427     if (pf_is_auto_grow(out) && out->used + delta > out->len)
 428     {
 429         out->len = max(out->len * 2, out->used + delta);
 430         if (out->unicode)
 431         {
 432             WCHAR *ptr;
 433
 434             if (out->buf.W != out->grow.W)
 435             {
 436                 if (!(ptr = MSVCRT_realloc(out->buf.W, out->len * sizeof(WCHAR))))
 437                     return -1;
 438             }
 439             else
 440             {
 441                 if (!(ptr = MSVCRT_malloc(out->len * sizeof(WCHAR))))
 442                     return -1;
 443                 memcpy(ptr, out->buf.W, out->used * sizeof(WCHAR));
 444             }
 445
 446             out->buf.W = ptr;
 447         }
 448         else
 449         {
 450             char *ptr;
 451
 452             if (out->buf.A != out->grow.A)
 453             {
 454                 if (!(ptr = MSVCRT_realloc(out->buf.A, out->len * sizeof(char))))
 455                     return -1;
 456             }
 457             else
 458             {
 459                 if (!(ptr = MSVCRT_malloc(out->len * sizeof(char))))
 460                     return -1;
 461                 memcpy(ptr, out->buf.A, out->used * sizeof(char));
 462             }
 463
 464             out->buf.A = ptr;
 465         }
 466     }
 467     return 0;
 468 }
 469
 470 /*
 471  * writes a string of characters to the output
 472  * returns -1 if the string doesn't fit in the output buffer
 473  * return the length of the string if all characters were written
 474  */
 475 static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
 476 {
 477     int space;
 478
 479     if( len < 0 )
 480         len = strlenW( str );
 481     if( out->unicode )
 482     {
 483         LPWSTR p;
 484
 485         if(pf_check_auto_grow(out, len) == -1) return -1;
 486         space = out->len - out->used;
 487         p = out->buf.W + out->used;
 488         if( space >= len )
 489         {
 490             if (out->buf.W) memcpy( p, str, len*sizeof(WCHAR) );
 491             out->used += len;
 492             return len;
 493         }
 494         if( space > 0 && out->buf.W )
 495             memcpy( p, str, space*sizeof(WCHAR) );
 496         out->used += len;
 497     }
 498     else
 499     {
 500         int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
 501         LPSTR p;
 502
 503         if(pf_check_auto_grow(out, n) == -1) return -1;
 504         space = out->len - out->used;
 505         p = out->buf.A + out->used;
 506         if( space >= n )
 507         {
 508             if (out->buf.A) WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
 509             out->used += n;
 510             return len;
 511         }
 512         if( space > 0 && out->buf.A )
 513             WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
 514         out->used += n;
 515     }
 516     return -1;
 517 }
 518
 519 static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
 520 {
 521     int space;
 522
 523     if( len < 0 )
 524         len = strlen( str );
 525     if( !out->unicode )
 526     {
 527         LPSTR p;
 528
 529         if (pf_check_auto_grow(out, len) == -1) return -1;
 530         p = out->buf.A + out->used;
 531         space = out->len - out->used;
 532         if( space >= len )
 533         {
 534             if (out->buf.A) memcpy( p, str, len );
 535             out->used += len;
 536             return len;
 537         }
 538         if( space > 0 && out->buf.A )
 539             memcpy( p, str, space );
 540         out->used += len;
 541     }
 542     else
 543     {
 544         int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
 545         LPWSTR p;
 546
 547         if (pf_check_auto_grow(out, n) == -1) return -1;
 548         p = out->buf.W + out->used;
 549         space = out->len - out->used;
 550         if( space >= n )
 551         {
 552             if (out->buf.W) MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
 553             out->used += n;
 554             return len;
 555         }
 556         if( space > 0 && out->buf.W )
 557             MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
 558         out->used += n;
 559     }
 560     return -1;
 561 }
 562
 563 /* pf_fill: takes care of signs, alignment, zero and field padding */
 564 static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
 565 {
 566     int i, r = 0;
 567
 568     if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
 569         flags->Sign = 0;
 570
 571     if( left && flags->Sign )
 572     {
 573         flags->FieldLength--;
 574         if( flags->PadZero )
 575             r = pf_output_stringA( out, &flags->Sign, 1 );
 576     }
 577
 578     if( ( !left &&  flags->LeftAlign ) ||
 579         (  left && !flags->LeftAlign ))
 580     {
 581         for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
 582         {
 583             if( left && flags->PadZero )
 584                 r = pf_output_stringA( out, "0", 1 );
 585             else
 586                 r = pf_output_stringA( out, " ", 1 );
 587         }
 588     }
 589
 590     if( left && flags->Sign && !flags->PadZero )
 591         r = pf_output_stringA( out, &flags->Sign, 1 );
 592
 593     return r;
 594 }
 595
 596 static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
 597                                       int len, pf_flags *flags )
 598 {
 599     int r = 0;
 600
 601     if( len < 0 )
 602         len = strlenW( str );
 603
 604     if (flags->Precision >= 0 && flags->Precision < len)
 605         len = flags->Precision;
 606
 607     r = pf_fill( out, len, flags, 1 );
 608
 609     if( r>=0 )
 610         r = pf_output_stringW( out, str, len );
 611
 612     if( r>=0 )
 613         r = pf_fill( out, len, flags, 0 );
 614
 615     return r;
 616 }
 617
 618 static inline int pf_output_format_A( pf_output *out, LPCSTR str,
 619                                       int len, pf_flags *flags )
 620 {
 621     int r = 0;
 622
 623     if( len < 0 )
 624         len = strlen( str );
 625
 626     if (flags->Precision >= 0 && flags->Precision < len)
 627         len = flags->Precision;
 628
 629     r = pf_fill( out, len, flags, 1 );
 630
 631     if( r>=0 )
 632         r = pf_output_stringA( out, str, len );
 633
 634     if( r>=0 )
 635         r = pf_fill( out, len, flags, 0 );
 636
 637     return r;
 638 }
 639
 640 static int pf_handle_string_format( pf_output *out, const void* str, int len,
 641                              pf_flags *flags, BOOL capital_letter)
 642 {
 643      if(str == NULL)  /* catch NULL pointer */
 644         return pf_output_format_A( out, "(null)", -1, flags);
 645
 646      /* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
 647     if(flags->WideString || flags->IntegerLength == 'l')
 648         return pf_output_format_W( out, str, len, flags);
 649     if(flags->IntegerLength == 'h')
 650         return pf_output_format_A( out, str, len, flags);
 651
 652     /* %s,%c ->  chars in ansi functions & wchars in unicode
 653      * %S,%C -> wchars in ansi functions &  chars in unicode */
 654     if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
 655         return pf_output_format_A( out, str, len, flags);
 656     else
 657         return pf_output_format_W( out, str, len, flags);
 658 }
 659
 660 static inline BOOL pf_is_integer_format( char fmt )
 661 {
 662     static const char float_fmts[] = "diouxX";
 663     if (!fmt)
 664         return FALSE;
 665     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 666 }
 667
 668 static inline BOOL pf_is_double_format( char fmt )
 669 {
 670     static const char float_fmts[] = "aeEfgG";
 671     if (!fmt)
 672         return FALSE;
 673     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 674 }
 675
 676 static inline BOOL pf_is_valid_format( char fmt )
 677 {
 678     static const char float_fmts[] = "acCdeEfgGinouxX";
 679     if (!fmt)
 680         return FALSE;
 681     return strchr( float_fmts, fmt ) ? TRUE : FALSE;
 682 }
 683
 684 static void pf_rebuild_format_string( char *p, pf_flags *flags )
 685 {
 686     *p++ = '%';
 687     if( flags->Sign )
 688         *p++ = flags->Sign;
 689     if( flags->LeftAlign )
 690         *p++ = flags->LeftAlign;
 691     if( flags->Alternate )
 692         *p++ = flags->Alternate;
 693     if( flags->PadZero )
 694         *p++ = flags->PadZero;
 695     if( flags->FieldLength )
 696     {
 697         sprintf(p, "%d", flags->FieldLength);
 698         p += strlen(p);
 699     }
 700     if( flags->Precision >= 0 )
 701     {
 702         sprintf(p, ".%d", flags->Precision);
 703         p += strlen(p);
 704     }
 705     *p++ = flags->Format;
 706     *p++ = 0;
 707 }
 708
 709 /* pf_integer_conv:  prints x to buf, including alternate formats and
 710    additional precision digits, but not field characters or the sign */
 711 static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
 712                              LONGLONG x )
 713 {
 714     unsigned int base;
 715     const char *digits;
 716
 717     int i, j, k;
 718     char number[40], *tmp = number;
 719
 720     if( buf_len > sizeof number )
 721         tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
 722
 723     base = 10;
 724     if( flags->Format == 'o' )
 725         base = 8;
 726     else if( flags->Format == 'x' || flags->Format == 'X' )
 727         base = 16;
 728
 729     if( flags->Format == 'X' )
 730         digits = "0123456789ABCDEFX";
 731     else
 732         digits = "0123456789abcdefx";
 733
 734     if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
 735     {
 736         x = -x;
 737         flags->Sign = '-';
 738     }
 739
 740     /* Do conversion (backwards) */
 741     i = 0;
 742     if( x == 0 && flags->Precision )
 743         tmp[i++] = '0';
 744     else
 745         while( x != 0 )
 746         {
 747             j = (ULONGLONG) x % base;
 748             x = (ULONGLONG) x / base;
 749             tmp[i++] = digits[j];
 750         }
 751     k = flags->Precision - i;
 752     while( k-- > 0 )
 753         tmp[i++] = '0';
 754     if( flags->Alternate )
 755     {
 756         if( base == 16 )
 757         {
 758             tmp[i++] = digits[16];
 759             tmp[i++] = '0';
 760         }
 761         else if( base == 8 && tmp[i-1] != '0' )
 762             tmp[i++] = '0';
 763     }
 764
 765     /* Reverse for buf */
 766     j = 0;
 767     while( i-- > 0 )
 768         buf[j++] = tmp[i];
 769     buf[j] = '\0';
 770
 771     /* Adjust precision so pf_fill won't truncate the number later */
 772     flags->Precision = strlen( buf );
 773
 774     if( tmp != number )
 775         HeapFree( GetProcessHeap(), 0, tmp );
 776
 777     return;
 778 }
 779
 780 /* pf_fixup_exponent: convert a string containing a 2 digit exponent
 781    to 3 digits, accounting for padding, in place. Needed to match
 782    the native printf's which always use 3 digits. */
 783 static void pf_fixup_exponent( char *buf )
 784 {
 785     char* tmp = buf;
 786
 787     while (tmp[0] && toupper(tmp[0]) != 'E')
 788         tmp++;
 789
 790     if (tmp[0] && (tmp[1] == '+' || tmp[1] == '-') &&
 791         isdigit(tmp[2]) && isdigit(tmp[3]))
 792     {
 793         char final;
 794
 795         if (isdigit(tmp[4]))
 796             return; /* Exponent already 3 digits */
 797
 798         /* We have a 2 digit exponent. Prepend '0' to make it 3 */
 799         tmp += 2;
 800         final = tmp[2];
 801         tmp[2] = tmp[1];
 802         tmp[1] = tmp[0];
 803         tmp[0] = '0';
 804         if (final == '\0')
 805         {
 806             /* We didn't expand into trailing space, so this string isn't left
 807              * justified. Terminate the string and strip a ' ' at the start of
 808              * the string if there is one (as there may be if the string is
 809              * right justified).
 810              */
 811             tmp[3] = '\0';
 812             if (buf[0] == ' ')
 813                 memmove(buf, buf + 1, (tmp - buf) + 3);
 814         }
 815         /* Otherwise, we expanded into trailing space -> nothing to do */
 816     }
 817 }
 818
 819 /*********************************************************************
 820  *  pf_vsnprintf  (INTERNAL)
 821  *
 822  *  implements both A and W vsnprintf functions
 823  */
 824 int pf_vsnprintf( pf_output *out, const WCHAR *format,
 825                   MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
 826 {
 827     int r;
 828     LPCWSTR q, p = format;
 829     pf_flags flags;
 830
 831     if(!locale)
 832         locale = get_locale();
 833
 834     TRACE("format is %s\n",debugstr_w(format));
 835     while (*p)
 836     {
 837         q = strchrW( p, '%' );
 838
 839         /* there's no % characters left, output the rest of the string */
 840         if( !q )
 841         {
 842             r = pf_output_stringW(out, p, -1);
 843             if( r<0 )
 844                 return r;
 845             p += r;
 846             continue;
 847         }
 848
 849         /* there's characters before the %, output them */
 850         if( q != p )
 851         {
 852             r = pf_output_stringW(out, p, q - p);
 853             if( r<0 )
 854                 return r;
 855             p = q;
 856         }
 857
 858         /* we must be at a % now, skip over it */
 859         assert( *p == '%' );
 860         p++;
 861
 862         /* output a single % character */
 863         if( *p == '%' )
 864         {
 865             r = pf_output_stringW(out, p++, 1);
 866             if( r<0 )
 867                 return r;
 868             continue;
 869         }
 870
 871         /* parse the flags */
 872         memset( &flags, 0, sizeof flags );
 873         while (*p)
 874         {
 875             if( *p == '+' || *p == ' ' )
 876             {
 877                 if ( flags.Sign != '+' )
 878                     flags.Sign = *p;
 879             }
 880             else if( *p == '-' )
 881                 flags.LeftAlign = *p;
 882             else if( *p == '0' )
 883                 flags.PadZero = *p;
 884             else if( *p == '#' )
 885                 flags.Alternate = *p;
 886             else
 887                 break;
 888             p++;
 889         }
 890
 891         /* deal with the field width specifier */
 892         flags.FieldLength = 0;
 893         if( *p == '*' )
 894         {
 895             flags.FieldLength = va_arg( valist, int );
 896             if (flags.FieldLength < 0)
 897             {
 898                 flags.LeftAlign = '-';
 899                 flags.FieldLength = -flags.FieldLength;
 900             }
 901             p++;
 902         }
 903         else while( isdigit(*p) )
 904         {
 905             flags.FieldLength *= 10;
 906             flags.FieldLength += *p++ - '0';
 907         }
 908
 909         /* deal with precision */
 910         flags.Precision = -1;
 911         if( *p == '.' )
 912         {
 913             flags.Precision = 0;
 914             p++;
 915             if( *p == '*' )
 916             {
 917                 flags.Precision = va_arg( valist, int );
 918                 p++;
 919             }
 920             else while( isdigit(*p) )
 921             {
 922                 flags.Precision *= 10;
 923                 flags.Precision += *p++ - '0';
 924             }
 925         }
 926
 927         /* deal with integer width modifier */
 928         while( *p )
 929         {
 930             if( *p == 'l' && *(p+1) == 'l' )
 931             {
 932                 flags.IntegerDouble++;
 933                 p += 2;
 934             }
 935             else if( *p == 'h' || *p == 'l' || *p == 'L' )
 936             {
 937                 flags.IntegerLength = *p;
 938                 p++;
 939             }
 940             else if( *p == 'I' )
 941             {
 942                 if( *(p+1) == '6' && *(p+2) == '4' )
 943                 {
 944                     flags.IntegerDouble++;
 945                     p += 3;
 946                 }
 947                 else if( *(p+1) == '3' && *(p+2) == '2' )
 948                     p += 3;
 949                 else if( isdigit(*(p+1)) || *(p+1) == 0 )
 950                     break;
 951                 else
 952                     p++;
 953             }
 954             else if( *p == 'w' )
 955                 flags.WideString = *p++;
 956             else if( *p == 'F' )
 957                 p++; /* ignore */
 958             else
 959                 break;
 960         }
 961
 962         flags.Format = *p;
 963         r = 0;
 964
 965         if (flags.Format == '$')
 966         {
 967             FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
 968             return -1;
 969         }
 970         /* output a string */
 971         if(  flags.Format == 's' || flags.Format == 'S' )
 972             r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
 973                                          &flags, (flags.Format == 'S') );
 974
 975         /* output a single character */
 976         else if( flags.Format == 'c' || flags.Format == 'C' )
 977         {
 978             INT ch = va_arg( valist, int );
 979
 980             r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
 981         }
 982
 983         /* output a pointer */
 984         else if( flags.Format == 'p' )
 985         {
 986             char pointer[32];
 987             void *ptr = va_arg( valist, void * );
 988
 989             flags.PadZero = 0;
 990             if( flags.Alternate )
 991                 sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 992             else
 993                 sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
 994             r = pf_output_format_A( out, pointer, -1, &flags );
 995         }
 996
 997         /* deal with %n */
 998         else if( flags.Format == 'n' )
 999         {
1000             int *x = va_arg(valist, int *);
1001             *x = out->used;
1002         }
1003
1004         /* deal with 64-bit integers */
1005         else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
1006         {
1007             char number[40], *x = number;
1008
1009             /* Estimate largest possible required buffer size:
1010                * Chooses the larger of the field or precision
1011                * Includes extra bytes: 1 byte for null, 1 byte for sign,
1012                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
1013                  for a decimal, and 1 byte for an additional float digit. */
1014             int x_len = ((flags.FieldLength > flags.Precision) ?
1015                         flags.FieldLength : flags.Precision) + 10;
1016
1017             if( x_len >= sizeof number)
1018                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
1019
1020             pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
1021
1022             r = pf_output_format_A( out, x, -1, &flags );
1023             if( x != number )
1024                 HeapFree( GetProcessHeap(), 0, x );
1025         }
1026
1027         /* deal with integers and floats using libc's printf */
1028         else if( pf_is_valid_format( flags.Format ) )
1029         {
1030             char fmt[20], number[40], *x = number, *decimal_point;
1031
1032             /* Estimate largest possible required buffer size:
1033                * Chooses the larger of the field or precision
1034                * Includes extra bytes: 1 byte for null, 1 byte for sign,
1035                  4 bytes for exponent, 2 bytes for alternate formats, 1 byte
1036                  for a decimal, and 1 byte for an additional float digit. */
1037             int x_len = ((flags.FieldLength > flags.Precision) ?
1038                         flags.FieldLength : flags.Precision) + 10;
1039
1040             if( x_len >= sizeof number)
1041                 x = HeapAlloc( GetProcessHeap(), 0, x_len );
1042
1043             pf_rebuild_format_string( fmt, &flags );
1044
1045             if( pf_is_double_format( flags.Format ) )
1046             {
1047                 sprintf( x, fmt, va_arg(valist, double) );
1048                 if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
1049                     pf_fixup_exponent( x );
1050             }
1051             else
1052                 sprintf( x, fmt, va_arg(valist, int) );
1053
1054             decimal_point = strchr(x, '.');
1055             if(decimal_point)
1056                 *decimal_point = *locale->locinfo->lconv->decimal_point;
1057
1058             r = pf_output_stringA( out, x, -1 );
1059             if( x != number )
1060                 HeapFree( GetProcessHeap(), 0, x );
1061             if(r < 0)
1062                 return r;
1063         }
1064         else
1065         {
1066             if( valid )
1067             {
1068                 MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
1069                 *MSVCRT__errno() = MSVCRT_EINVAL;
1070                 return -1;
1071             }
1072
1073             continue;
1074         }
1075
1076         if( r<0 )
1077             return r;
1078         p++;
1079     }
1080
1081     /* check we reached the end, and null terminate the string */
1082     assert( *p == 0 );
1083     pf_output_stringW( out, p, 1 );
1084
1085     return out->used - 1;
1086 }
1087
1088 /*********************************************************************
1089  * vsnprintf_internal (INTERNAL)
1090  */
1091 static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
1092         MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
1093 {
1094     DWORD sz;
1095     LPWSTR formatW = NULL;
1096     pf_output out;
1097     int r;
1098
1099     out.unicode = FALSE;
1100     out.buf.A = str;
1101     out.grow.A = NULL;
1102     out.used = 0;
1103     out.len = len;
1104
1105     sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
1106     formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
1107     MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
1108
1109     r = pf_vsnprintf( &out, formatW, locale, valid, valist );
1110
1111     HeapFree( GetProcessHeap(), 0, formatW );
1112
1113     return r;
1114 }
1115
1116 /*********************************************************************
1117  *              _vsnprintf (MSVCRT.@)
1118  */
1119 int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
1120                             const char *format, __ms_va_list valist )
1121 {
1122     return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
1123 }
1124
1125 /*********************************************************************
1126 *               _vsnprintf_l (MSVCRT.@)
1127  */
1128 int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
1129                             MSVCRT__locale_t locale, __ms_va_list valist )
1130 {
1131     return vsnprintf_internal(str, len, format, locale, FALSE, valist);
1132 }
1133
1134 /*********************************************************************
1135  *              _vsnprintf_s_l (MSVCRT.@)
1136  */
1137 int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
1138         MSVCRT_size_t count, const char *format,
1139         MSVCRT__locale_t locale, __ms_va_list valist )
1140 {
1141     int len, ret;
1142
1143     if(sizeOfBuffer<count+1 || count==-1)
1144         len = sizeOfBuffer;
1145     else
1146         len = count+1;
1147
1148     ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
1149
1150     if(ret<0 || ret==len) {
1151         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1152             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
1153             *MSVCRT__errno() = MSVCRT_ERANGE;
1154             memset(str, 0, sizeOfBuffer);
1155         } else
1156             str[len-1] = '\0';
1157
1158         return -1;
1159     }
1160
1161     return ret;
1162 }
1163
1164 /*********************************************************************
1165  *              _vsnprintf_s (MSVCRT.@)
1166  */
1167 int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
1168         MSVCRT_size_t count, const char *format, __ms_va_list valist )
1169 {
1170     return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
1171 }
1172
1173 /*********************************************************************
1174  *              vsprintf (MSVCRT.@)
1175  */
1176 int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
1177 {
1178     return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
1179 }
1180
1181 /*********************************************************************
1182  *              vsprintf_s (MSVCRT.@)
1183  */
1184 int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
1185 {
1186     return MSVCRT_vsnprintf(str, num, format, valist);
1187 }
1188
1189 /*********************************************************************
1190  *              _vscprintf (MSVCRT.@)
1191  */
1192 int CDECL _vscprintf( const char *format, __ms_va_list valist )
1193 {
1194     return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
1195 }
1196
1197 /*********************************************************************
1198  *              _snprintf (MSVCRT.@)
1199  */
1200 int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
1201 {
1202     int retval;
1203     __ms_va_list valist;
1204     __ms_va_start(valist, format);
1205     retval = MSVCRT_vsnprintf(str, len, format, valist);
1206     __ms_va_end(valist);
1207     return retval;
1208 }
1209
1210 /*********************************************************************
1211  *              _snprintf_s (MSVCRT.@)
1212  */
1213 int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
1214     const char *format, ...)
1215 {
1216     int retval;
1217     __ms_va_list valist;
1218     __ms_va_start(valist, format);
1219     retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
1220     __ms_va_end(valist);
1221     return retval;
1222 }
1223
1224 /*********************************************************************
1225  *              _scprintf (MSVCRT.@)
1226  */
1227 int CDECL MSVCRT__scprintf(const char *format, ...)
1228 {
1229     int retval;
1230     __ms_va_list valist;
1231     __ms_va_start(valist, format);
1232     retval = _vscprintf(format, valist);
1233     __ms_va_end(valist);
1234     return retval;
1235 }
1236
1237 /*********************************************************************
1238  * vsnwprintf_internal (INTERNAL)
1239  */
1240 static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1241         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
1242         __ms_va_list valist)
1243 {
1244     pf_output out;
1245
1246     out.unicode = TRUE;
1247     out.buf.W = str;
1248     out.grow.W = NULL;
1249     out.used = 0;
1250     out.len = len;
1251
1252     return pf_vsnprintf( &out, format, locale, valid, valist );
1253 }
1254
1255 /*********************************************************************
1256  *              _vsnwprintf (MSVCRT.@)
1257  */
1258 int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1259         const MSVCRT_wchar_t *format, __ms_va_list valist)
1260 {
1261     return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
1262 }
1263
1264 /*********************************************************************
1265  *              _vsnwprintf_l (MSVCRT.@)
1266  */
1267 int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
1268         const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
1269         __ms_va_list valist)
1270 {
1271         return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
1272 }
1273
1274 /*********************************************************************
1275  *              _vsnwprintf_s_l (MSVCRT.@)
1276  */
1277 int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1278         MSVCRT_size_t count, const MSVCRT_wchar_t *format,
1279         MSVCRT__locale_t locale, __ms_va_list valist)
1280 {
1281     int len, ret;
1282
1283     len = sizeOfBuffer;
1284     if(count!=-1 && len>count+1)
1285         len = count+1;
1286
1287     ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
1288
1289     if(ret<0 || ret==len) {
1290         if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
1291             MSVCRT_INVALID_PMT("str[sizeOfBuffer] is too small");
1292             *MSVCRT__errno() = MSVCRT_ERANGE;
1293             memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
1294         } else
1295             str[len-1] = '\0';
1296
1297         return -1;
1298     }
1299
1300     return ret;
1301 }
1302
1303 /*********************************************************************
1304  *              _vsnwprintf_s (MSVCRT.@)
1305  */
1306 int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
1307         MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
1308 {
1309     return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
1310             format, NULL, valist);
1311 }
1312
1313 /*********************************************************************
1314  *              _snwprintf (MSVCRT.@)
1315  */
1316 int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
1317 {
1318     int retval;
1319     __ms_va_list valist;
1320     __ms_va_start(valist, format);
1321     retval = MSVCRT_vsnwprintf(str, len, format, valist);
1322     __ms_va_end(valist);
1323     return retval;
1324 }
1325
1326 /*********************************************************************
1327  *              _snwprintf_s (MSVCRT.@)
1328  */
1329 int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
1330     const MSVCRT_wchar_t *format, ...)
1331 {
1332     int retval;
1333     __ms_va_list valist;
1334     __ms_va_start(valist, format);
1335     retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
1336     __ms_va_end(valist);
1337     return retval;
1338 }
1339
1340 /*********************************************************************
1341  *              sprintf (MSVCRT.@)
1342  */
1343 int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
1344 {
1345     __ms_va_list ap;
1346     int r;
1347
1348     __ms_va_start( ap, format );
1349     r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
1350     __ms_va_end( ap );
1351     return r;
1352 }
1353
1354 /*********************************************************************
1355  *              sprintf_s (MSVCRT.@)
1356  */
1357 int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
1358 {
1359     __ms_va_list ap;
1360     int r;
1361
1362     __ms_va_start( ap, format );
1363     r = MSVCRT_vsnprintf( str, num, format, ap );
1364     __ms_va_end( ap );
1365     return r;
1366 }
1367
1368 /*********************************************************************
1369  *              _scwprintf (MSVCRT.@)
1370  */
1371 int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
1372 {
1373     __ms_va_list ap;
1374     int r;
1375
1376     __ms_va_start( ap, format );
1377     r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
1378     __ms_va_end( ap );
1379     return r;
1380 }
1381
1382 /*********************************************************************
1383  *              swprintf (MSVCRT.@)
1384  */
1385 int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
1386 {
1387     __ms_va_list ap;
1388     int r;
1389
1390     __ms_va_start( ap, format );
1391     r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
1392     __ms_va_end( ap );
1393     return r;
1394 }
1395
1396 /*********************************************************************
1397  *              swprintf_s (MSVCRT.@)
1398  */
1399 int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
1400         const MSVCRT_wchar_t *format, ... )
1401 {
1402     __ms_va_list ap;
1403     int r;
1404
1405     __ms_va_start(ap, format);
1406     r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
1407     __ms_va_end(ap);
1408
1409     return r;
1410 }
1411
1412 /*********************************************************************
1413  *              vswprintf (MSVCRT.@)
1414  */
1415 int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
1416 {
1417     return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
1418 }
1419
1420 /*********************************************************************
1421  *              _vscwprintf (MSVCRT.@)
1422  */
1423 int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
1424 {
1425     return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
1426 }
1427
1428 /*********************************************************************
1429  *              vswprintf_s (MSVCRT.@)
1430  */
1431 int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1432         const MSVCRT_wchar_t* format, __ms_va_list args)
1433 {
1434     return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
1435 }
1436
1437 /*********************************************************************
1438  *              _vswprintf_s_l (MSVCRT.@)
1439  */
1440 int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
1441         const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
1442 {
1443     return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
1444             format, locale, args );
1445 }
1446
1447 /*********************************************************************
1448  *              wcscoll (MSVCRT.@)
1449  */
1450 int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
1451 {
1452   /* FIXME: handle collates */
1453   return strcmpW( str1, str2 );
1454 }
1455
1456 /*********************************************************************
1457  *              wcspbrk (MSVCRT.@)
1458  */
1459 MSVCRT_wchar_t* CDECL MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
1460 {
1461   const MSVCRT_wchar_t* p;
1462   while (*str)
1463   {
1464     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
1465       str++;
1466   }
1467   return NULL;
1468 }
1469
1470 /*********************************************************************
1471  *              wcstok_s  (MSVCRT.@)
1472  */
1473 MSVCRT_wchar_t * CDECL wcstok_s( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim,
1474                                  MSVCRT_wchar_t **next_token )
1475 {
1476     MSVCRT_wchar_t *ret;
1477
1478     if (!MSVCRT_CHECK_PMT(delim != NULL) || !MSVCRT_CHECK_PMT(next_token != NULL) ||
1479         !MSVCRT_CHECK_PMT(str != NULL || *next_token != NULL))
1480     {
1481         *MSVCRT__errno() = MSVCRT_EINVAL;
1482         return NULL;
1483     }
1484     if (!str) str = *next_token;
1485
1486     while (*str && strchrW( delim, *str )) str++;
1487     if (!*str) return NULL;
1488     ret = str++;
1489     while (*str && !strchrW( delim, *str )) str++;
1490     if (*str) *str++ = 0;
1491     *next_token = str;
1492     return ret;
1493 }
1494
1495 /*********************************************************************
1496  *              wcstok  (MSVCRT.@)
1497  */
1498 MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
1499 {
1500     return wcstok_s(str, delim, &msvcrt_get_thread_data()->wcstok_next);
1501 }
1502
1503 /*********************************************************************
1504  *              wctomb (MSVCRT.@)
1505  */
1506 INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
1507 {
1508   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
1509 }
1510
1511 /*********************************************************************
1512  *              iswalnum (MSVCRT.@)
1513  */
1514 INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
1515 {
1516     return isalnumW( wc );
1517 }
1518
1519 /*********************************************************************
1520  *              iswalpha (MSVCRT.@)
1521  */
1522 INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
1523 {
1524     return isalphaW( wc );
1525 }
1526
1527 /*********************************************************************
1528  *              iswalpha_l (MSVCRT.@)
1529  */
1530 INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
1531 {
1532     return isalphaW( wc );
1533 }
1534
1535 /*********************************************************************
1536  *              iswcntrl (MSVCRT.@)
1537  */
1538 INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
1539 {
1540     return iscntrlW( wc );
1541 }
1542
1543 /*********************************************************************
1544  *              iswdigit (MSVCRT.@)
1545  */
1546 INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
1547 {
1548     return isdigitW( wc );
1549 }
1550
1551 /*********************************************************************
1552  *              iswgraph (MSVCRT.@)
1553  */
1554 INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
1555 {
1556     return isgraphW( wc );
1557 }
1558
1559 /*********************************************************************
1560  *              iswlower (MSVCRT.@)
1561  */
1562 INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
1563 {
1564     return islowerW( wc );
1565 }
1566
1567 /*********************************************************************
1568  *              iswprint (MSVCRT.@)
1569  */
1570 INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
1571 {
1572     return isprintW( wc );
1573 }
1574
1575 /*********************************************************************
1576  *              iswpunct (MSVCRT.@)
1577  */
1578 INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
1579 {
1580     return ispunctW( wc );
1581 }
1582
1583 /*********************************************************************
1584  *              iswspace (MSVCRT.@)
1585  */
1586 INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
1587 {
1588     return isspaceW( wc );
1589 }
1590
1591 /*********************************************************************
1592  *              iswupper (MSVCRT.@)
1593  */
1594 INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
1595 {
1596     return isupperW( wc );
1597 }
1598
1599 /*********************************************************************
1600  *              iswxdigit (MSVCRT.@)
1601  */
1602 INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
1603 {
1604     return isxdigitW( wc );
1605 }
1606
1607 /*********************************************************************
1608  *              wcscpy_s (MSVCRT.@)
1609  */
1610 INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const  MSVCRT_wchar_t *wcSrc)
1611 {
1612     MSVCRT_size_t size = 0;
1613
1614     if(!wcDest || !numElement)
1615         return MSVCRT_EINVAL;
1616
1617     wcDest[0] = 0;
1618
1619     if(!wcSrc)
1620     {
1621         return MSVCRT_EINVAL;
1622     }
1623
1624     size = strlenW(wcSrc) + 1;
1625
1626     if(size > numElement)
1627     {
1628         return MSVCRT_ERANGE;
1629     }
1630
1631     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1632
1633     return 0;
1634 }
1635
1636 /******************************************************************
1637  *              wcsncpy_s (MSVCRT.@)
1638  */
1639 INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
1640                             MSVCRT_size_t count )
1641 {
1642     MSVCRT_size_t size = 0;
1643
1644     if (!wcDest || !numElement)
1645         return MSVCRT_EINVAL;
1646
1647     wcDest[0] = 0;
1648
1649     if (!wcSrc)
1650     {
1651         return MSVCRT_EINVAL;
1652     }
1653
1654     size = min(strlenW(wcSrc), count);
1655
1656     if (size >= numElement)
1657     {
1658         return MSVCRT_ERANGE;
1659     }
1660
1661     memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
1662     wcDest[size] = '\0';
1663
1664     return 0;
1665 }
1666
1667 /******************************************************************
1668  *              wcscat_s (MSVCRT.@)
1669  *
1670  */
1671 INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
1672 {
1673     MSVCRT_wchar_t* ptr = dst;
1674
1675     if (!dst || elem == 0) return MSVCRT_EINVAL;
1676     if (!src)
1677     {
1678         dst[0] = '\0';
1679         return MSVCRT_EINVAL;
1680     }
1681
1682     /* seek to end of dst string (or elem if no end of string is found */
1683     while (ptr < dst + elem && *ptr != '\0') ptr++;
1684     while (ptr < dst + elem)
1685     {
1686         if ((*ptr++ = *src++) == '\0') return 0;
1687     }
1688     /* not enough space */
1689     dst[0] = '\0';
1690     return MSVCRT_ERANGE;
1691 }
1692
1693 /*********************************************************************
1694  *  wcsncat_s (MSVCRT.@)
1695  *
1696  */
1697 INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
1698         const MSVCRT_wchar_t *src, MSVCRT_size_t count)
1699 {
1700     MSVCRT_size_t srclen;
1701     MSVCRT_wchar_t dststart;
1702     INT ret = 0;
1703
1704     if (!MSVCRT_CHECK_PMT(dst != NULL) || !MSVCRT_CHECK_PMT(elem > 0))
1705     {
1706         *MSVCRT__errno() = MSVCRT_EINVAL;
1707         return MSVCRT_EINVAL;
1708     }
1709     if (!MSVCRT_CHECK_PMT(src != NULL || count == 0))
1710         return MSVCRT_EINVAL;
1711     if (count == 0)
1712         return 0;
1713
1714     for (dststart = 0; dststart < elem; dststart++)
1715     {
1716         if (dst[dststart] == '\0')
1717             break;
1718     }
1719     if (dststart == elem)
1720     {
1721         MSVCRT_INVALID_PMT("dst[elem] is not NULL terminated\n");
1722         return MSVCRT_EINVAL;
1723     }
1724
1725     if (count == MSVCRT__TRUNCATE)
1726     {
1727         srclen = strlenW(src);
1728         if (srclen >= (elem - dststart))
1729         {
1730             srclen = elem - dststart - 1;
1731             ret = MSVCRT_STRUNCATE;
1732         }
1733     }
1734     else
1735         srclen = min(strlenW(src), count);
1736     if (srclen < (elem - dststart))
1737     {
1738         memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
1739         dst[dststart+srclen] = '\0';
1740         return ret;
1741     }
1742     MSVCRT_INVALID_PMT("dst[elem] is too small");
1743     dst[0] = '\0';
1744     return MSVCRT_ERANGE;
1745 }
1746
1747 /*********************************************************************
1748  *  _wcstoi64_l (MSVCRT.@)
1749  *
1750  * FIXME: locale parameter is ignored
1751  */
1752 __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
1753         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1754 {
1755     BOOL negative = FALSE;
1756     __int64 ret = 0;
1757
1758     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1759
1760     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1761         !MSVCRT_CHECK_PMT(base <= 36)) {
1762         *MSVCRT__errno() = MSVCRT_EINVAL;
1763         return 0;
1764     }
1765
1766     while(isspaceW(*nptr)) nptr++;
1767
1768     if(*nptr == '-') {
1769         negative = TRUE;
1770         nptr++;
1771     } else if(*nptr == '+')
1772         nptr++;
1773
1774     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1775         base = 16;
1776         nptr += 2;
1777     }
1778
1779     if(base == 0) {
1780         if(*nptr=='0')
1781             base = 8;
1782         else
1783             base = 10;
1784     }
1785
1786     while(*nptr) {
1787         char cur = tolowerW(*nptr);
1788         int v;
1789
1790         if(isdigitW(cur)) {
1791             if(cur >= '0'+base)
1792                 break;
1793             v = cur-'0';
1794         } else {
1795             if(cur<'a' || cur>='a'+base-10)
1796                 break;
1797             v = cur-'a'+10;
1798         }
1799
1800         if(negative)
1801             v = -v;
1802
1803         nptr++;
1804
1805         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
1806             ret = MSVCRT_I64_MAX;
1807             *MSVCRT__errno() = MSVCRT_ERANGE;
1808         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
1809             ret = MSVCRT_I64_MIN;
1810             *MSVCRT__errno() = MSVCRT_ERANGE;
1811         } else
1812             ret = ret*base + v;
1813     }
1814
1815     if(endptr)
1816         *endptr = (MSVCRT_wchar_t*)nptr;
1817
1818     return ret;
1819 }
1820
1821 /*********************************************************************
1822  *  _wcstoi64 (MSVCRT.@)
1823  */
1824 __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
1825         MSVCRT_wchar_t **endptr, int base)
1826 {
1827     return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
1828 }
1829
1830 /*********************************************************************
1831  *  _wcstoui64_l (MSVCRT.@)
1832  *
1833  * FIXME: locale parameter is ignored
1834  */
1835 unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
1836         MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
1837 {
1838     BOOL negative = FALSE;
1839     unsigned __int64 ret = 0;
1840
1841     TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
1842
1843     if (!MSVCRT_CHECK_PMT(nptr != NULL) || !MSVCRT_CHECK_PMT(base == 0 || base >= 2) ||
1844         !MSVCRT_CHECK_PMT(base <= 36)) {
1845         *MSVCRT__errno() = MSVCRT_EINVAL;
1846         return 0;
1847     }
1848
1849     while(isspaceW(*nptr)) nptr++;
1850
1851     if(*nptr == '-') {
1852         negative = TRUE;
1853         nptr++;
1854     } else if(*nptr == '+')
1855         nptr++;
1856
1857     if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
1858         base = 16;
1859         nptr += 2;
1860     }
1861
1862     if(base == 0) {
1863         if(*nptr=='0')
1864             base = 8;
1865         else
1866             base = 10;
1867     }
1868
1869     while(*nptr) {
1870         char cur = tolowerW(*nptr);
1871         int v;
1872
1873         if(isdigit(cur)) {
1874             if(cur >= '0'+base)
1875                 break;
1876             v = *nptr-'0';
1877         } else {
1878             if(cur<'a' || cur>='a'+base-10)
1879                 break;
1880             v = cur-'a'+10;
1881         }
1882
1883         nptr++;
1884
1885         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1886             ret = MSVCRT_UI64_MAX;
1887             *MSVCRT__errno() = MSVCRT_ERANGE;
1888         } else
1889             ret = ret*base + v;
1890     }
1891
1892     if(endptr)
1893         *endptr = (MSVCRT_wchar_t*)nptr;
1894
1895     return negative ? -ret : ret;
1896 }
1897
1898 /*********************************************************************
1899  *  _wcstoui64 (MSVCRT.@)
1900  */
1901 unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
1902         MSVCRT_wchar_t **endptr, int base)
1903 {
1904     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
1905 }
1906
1907 /******************************************************************
1908  *  wcsnlen (MSVCRT.@)
1909  */
1910 MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
1911 {
1912     MSVCRT_size_t i;
1913
1914     for (i = 0; i < maxlen; i++)
1915         if (!s[i]) break;
1916     return i;
1917 }