misc/lstr.c

   1 /*
   2  * String functions
   3  *
   4  * Copyright 1993 Yngvi Sigurjonsson (yngvi@hafro.is)
   5  * Copyright 1996 Marcus Meissner
   6  */
   7
   8 #include "config.h"
   9
  10 #include <stdarg.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <ctype.h>
  14
  15 #ifdef HAVE_WCTYPE_H
  16 # include <wctype.h>
  17 #else
  18 # define iswalnum(c) isalnum(c)
  19 # define iswalpha(c) isalpha(c)
  20 # define iswupper(c) isupper(c)
  21 # define iswlower(c) islower(c)
  22 #endif  /* HAVE_WCTYPE_H */
  23
  24
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "wine/winbase16.h"
  28 #include "winnls.h"
  29 #include "task.h"
  30 #include "heap.h"
  31 #include "ldt.h"
  32 #include "stackframe.h"
  33 #include "module.h"
  34 #include "debug.h"
  35
  36 DEFAULT_DEBUG_CHANNEL(resource)
  37
  38 extern const WORD OLE2NLS_CT_CType3_LUT[]; /* FIXME: does not belong here */
  39
  40
  41 /* Funny to divide them between user and kernel. */
  42
  43 /* be careful: always use functions from wctype.h if character > 255 */
  44
  45 /*
  46  * Unicode case conversion routines ... these should be used where
  47  * toupper/tolower are used for ASCII.
  48  */
  49 #ifndef HAVE_WCTYPE_H
  50 /* FIXME: should probably get rid of wctype.h altogether */
  51 #include "casemap.h"
  52
  53 WCHAR towupper(WCHAR code)
  54 {
  55     const WCHAR * ptr = uprtable[HIBYTE(code)];
  56     return ptr ? ptr[LOBYTE(code)] : code;
  57 }
  58
  59 WCHAR towlower(WCHAR code)
  60 {
  61     const WCHAR * ptr = lwrtable[HIBYTE(code)];
  62     return ptr ? ptr[LOBYTE(code)] : code;
  63 }
  64 #endif  /* HAVE_WCTYPE_H */
  65
  66 /***********************************************************************
  67  *              IsCharAlpha (USER.433)
  68  */
  69 BOOL16 WINAPI IsCharAlpha16(CHAR ch)
  70 {
  71   return isalpha(ch);   /* This is probably not right for NLS */
  72 }
  73
  74 /***********************************************************************
  75  *              IsCharAlphanumeric (USER.434)
  76  */
  77 BOOL16 WINAPI IsCharAlphaNumeric16(CHAR ch)
  78 {
  79     return isalnum(ch);
  80 }
  81
  82 /***********************************************************************
  83  *              IsCharUpper (USER.435)
  84  */
  85 BOOL16 WINAPI IsCharUpper16(CHAR ch)
  86 {
  87   return isupper(ch);
  88 }
  89
  90 /***********************************************************************
  91  *              IsCharLower (USER.436)
  92  */
  93 BOOL16 WINAPI IsCharLower16(CHAR ch)
  94 {
  95   return islower(ch);
  96 }
  97
  98 /***********************************************************************
  99  *           AnsiUpper16   (USER.431)
 100  */
 101 SEGPTR WINAPI AnsiUpper16( SEGPTR strOrChar )
 102 {
 103   /* I am not sure if the locale stuff works with toupper, but then again
 104      I am not sure if the Linux libc locale stuffs works at all */
 105
 106     /* uppercase only one char if strOrChar < 0x10000 */
 107     if (HIWORD(strOrChar))
 108     {
 109         char *s;
 110         for (s = PTR_SEG_TO_LIN(strOrChar); *s; s++) *s = toupper(*s);
 111         return strOrChar;
 112     }
 113     else return toupper((char)strOrChar);
 114 }
 115
 116
 117 /***********************************************************************
 118  *           AnsiUpperBuff16   (USER.437)
 119  */
 120 UINT16 WINAPI AnsiUpperBuff16( LPSTR str, UINT16 len )
 121 {
 122     UINT count = len ? len : 65536;
 123     for (; count; count--, str++) *str = toupper(*str);
 124     return len;
 125 }
 126
 127 /***********************************************************************
 128  *           AnsiLower16   (USER.432)
 129  */
 130 SEGPTR WINAPI AnsiLower16( SEGPTR strOrChar )
 131 {
 132   /* I am not sure if the locale stuff works with toupper, but then again
 133      I am not sure if the Linux libc locale stuffs works at all */
 134
 135     /* lowercase only one char if strOrChar < 0x10000 */
 136     if (HIWORD(strOrChar))
 137     {
 138         char *s;
 139         for (s = PTR_SEG_TO_LIN( strOrChar ); *s; s++) *s = tolower( *s );
 140         return strOrChar;
 141     }
 142     else return tolower((char)strOrChar);
 143 }
 144
 145
 146 /***********************************************************************
 147  *           AnsiLowerBuff16   (USER.438)
 148  */
 149 UINT16 WINAPI AnsiLowerBuff16( LPSTR str, UINT16 len )
 150 {
 151     UINT count = len ? len : 65536;
 152     for (; count; count--, str++) *str = tolower(*str);
 153     return len;
 154 }
 155
 156
 157 /***********************************************************************
 158  *           AnsiNext16   (USER.472)
 159  */
 160 SEGPTR WINAPI AnsiNext16(SEGPTR current)
 161 {
 162     return (*(char *)PTR_SEG_TO_LIN(current)) ? current + 1 : current;
 163 }
 164
 165
 166 /***********************************************************************
 167  *           AnsiPrev16   (USER.473)
 168  */
 169 SEGPTR WINAPI AnsiPrev16( SEGPTR start, SEGPTR current )
 170 {
 171     return (current == start) ? start : current - 1;
 172 }
 173
 174
 175 /***********************************************************************
 176  *           CharNext32A   (USER32.29)
 177  */
 178 LPSTR WINAPI CharNextA( LPCSTR ptr )
 179 {
 180     if (!*ptr) return (LPSTR)ptr;
 181     if (IsDBCSLeadByte( *ptr )) return (LPSTR)(ptr + 2);
 182     return (LPSTR)(ptr + 1);
 183 }
 184
 185
 186 /***********************************************************************
 187  *           CharNextEx32A   (USER32.30)
 188  */
 189 LPSTR WINAPI CharNextExA( WORD codepage, LPCSTR ptr, DWORD flags )
 190 {
 191     if (!*ptr) return (LPSTR)ptr;
 192     if (IsDBCSLeadByteEx( codepage, *ptr )) return (LPSTR)(ptr + 2);
 193     return (LPSTR)(ptr + 1);
 194 }
 195
 196
 197 /***********************************************************************
 198  *           CharNextExW   (USER32.31)
 199  */
 200 LPWSTR WINAPI CharNextExW(WORD codepage,LPCWSTR x,DWORD flags)
 201 {
 202     /* FIXME: add DBCS / codepage stuff */
 203     if (*x) return (LPWSTR)(x+1);
 204     else return (LPWSTR)x;
 205 }
 206
 207 /***********************************************************************
 208  *           CharNextW   (USER32.32)
 209  */
 210 LPWSTR WINAPI CharNextW(LPCWSTR x)
 211 {
 212     if (*x) return (LPWSTR)(x+1);
 213     else return (LPWSTR)x;
 214 }
 215
 216 /***********************************************************************
 217  *           CharPrev32A   (USER32.33)
 218  */
 219 LPSTR WINAPI CharPrevA( LPCSTR start, LPCSTR ptr )
 220 {
 221     while (*start && (start < ptr))
 222     {
 223         LPCSTR next = CharNextA( start );
 224         if (next >= ptr) break;
 225         start = next;
 226     }
 227     return (LPSTR)start;
 228 }
 229
 230
 231 /***********************************************************************
 232  *           CharPrevEx32A   (USER32.34)
 233  */
 234 LPSTR WINAPI CharPrevExA( WORD codepage, LPCSTR start, LPCSTR ptr, DWORD flags )
 235 {
 236     while (*start && (start < ptr))
 237     {
 238         LPCSTR next = CharNextExA( codepage, start, flags );
 239         if (next > ptr) break;
 240         start = next;
 241     }
 242     return (LPSTR)start;
 243 }
 244
 245
 246 /***********************************************************************
 247  *           CharPrevExW   (USER32.35)
 248  */
 249 LPWSTR WINAPI CharPrevExW(WORD codepage,LPCWSTR start,LPCWSTR x,DWORD flags)
 250 {
 251     /* FIXME: add DBCS / codepage stuff */
 252     if (x>start) return (LPWSTR)(x-1);
 253     else return (LPWSTR)x;
 254 }
 255
 256 /***********************************************************************
 257  *           CharPrevW   (USER32.36)
 258  */
 259 LPWSTR WINAPI CharPrevW(LPCWSTR start,LPCWSTR x)
 260 {
 261     if (x>start) return (LPWSTR)(x-1);
 262     else return (LPWSTR)x;
 263 }
 264
 265 /***********************************************************************
 266  *           CharLowerA   (USER32.25)
 267  * FIXME: handle current locale
 268  */
 269 LPSTR WINAPI CharLowerA(LPSTR x)
 270 {
 271     LPSTR       s;
 272
 273     if (HIWORD(x))
 274     {
 275         s=x;
 276         while (*s)
 277         {
 278             *s=tolower(*s);
 279             s++;
 280         }
 281         return x;
 282     }
 283     else return (LPSTR)tolower((char)(int)x);
 284 }
 285
 286 /***********************************************************************
 287  *           CharLowerBuffA   (USER32.26)
 288  * FIXME: handle current locale
 289  */
 290 DWORD WINAPI CharLowerBuffA(LPSTR x,DWORD buflen)
 291 {
 292     DWORD done=0;
 293
 294     if (!x) return 0; /* YES */
 295     while (*x && (buflen--))
 296     {
 297         *x=tolower(*x);
 298         x++;
 299         done++;
 300     }
 301     return done;
 302 }
 303
 304 /***********************************************************************
 305  *           CharLowerBuffW   (USER32.27)
 306  * FIXME: handle current locale
 307  */
 308 DWORD WINAPI CharLowerBuffW(LPWSTR x,DWORD buflen)
 309 {
 310     DWORD done=0;
 311
 312     if (!x) return 0; /* YES */
 313     while (*x && (buflen--))
 314     {
 315         *x=towlower(*x);
 316         x++;
 317         done++;
 318     }
 319     return done;
 320 }
 321
 322 /***********************************************************************
 323  *           CharLowerW   (USER32.28)
 324  * FIXME: handle current locale
 325  */
 326 LPWSTR WINAPI CharLowerW(LPWSTR x)
 327 {
 328     if (HIWORD(x))
 329     {
 330         LPWSTR s = x;
 331         while (*s)
 332         {
 333             *s=towlower(*s);
 334             s++;
 335         }
 336         return x;
 337     }
 338     else return (LPWSTR)((UINT)towlower(LOWORD(x)));
 339 }
 340
 341 /***********************************************************************
 342  *           CharUpper32A   (USER32.41)
 343  * FIXME: handle current locale
 344  */
 345 LPSTR WINAPI CharUpperA(LPSTR x)
 346 {
 347     if (HIWORD(x))
 348     {
 349         LPSTR s = x;
 350         while (*s)
 351         {
 352             *s=toupper(*s);
 353             s++;
 354         }
 355         return x;
 356     }
 357     return (LPSTR)toupper((char)(int)x);
 358 }
 359
 360 /***********************************************************************
 361  *           CharUpperBuffA   (USER32.42)
 362  * FIXME: handle current locale
 363  */
 364 DWORD WINAPI CharUpperBuffA(LPSTR x,DWORD buflen)
 365 {
 366     DWORD done=0;
 367
 368     if (!x) return 0; /* YES */
 369     while (*x && (buflen--))
 370     {
 371         *x=toupper(*x);
 372         x++;
 373         done++;
 374     }
 375     return done;
 376 }
 377
 378 /***********************************************************************
 379  *           CharUpperBuffW   (USER32.43)
 380  * FIXME: handle current locale
 381  */
 382 DWORD WINAPI CharUpperBuffW(LPWSTR x,DWORD buflen)
 383 {
 384     DWORD done=0;
 385
 386     if (!x) return 0; /* YES */
 387     while (*x && (buflen--))
 388     {
 389         *x=towupper(*x);
 390         x++;
 391         done++;
 392     }
 393     return done;
 394 }
 395
 396 /***********************************************************************
 397  *           CharUpperW   (USER32.44)
 398  * FIXME: handle current locale
 399  */
 400 LPWSTR WINAPI CharUpperW(LPWSTR x)
 401 {
 402     if (HIWORD(x))
 403     {
 404         LPWSTR s = x;
 405         while (*s)
 406         {
 407             *s=towupper(*s);
 408             s++;
 409         }
 410         return x;
 411     }
 412     else return (LPWSTR)((UINT)towupper(LOWORD(x)));
 413 }
 414
 415 /***********************************************************************
 416  *           IsCharAlphaA   (USER32.331)
 417  * FIXME: handle current locale
 418  */
 419 BOOL WINAPI IsCharAlphaA(CHAR x)
 420 {
 421     return (OLE2NLS_CT_CType3_LUT[(unsigned char)x] & C3_ALPHA);
 422 }
 423
 424 /***********************************************************************
 425  *           IsCharAlphaNumericA   (USER32.332)
 426  * FIXME: handle current locale
 427  */
 428 BOOL WINAPI IsCharAlphaNumericA(CHAR x)
 429 {
 430     return IsCharAlphaA(x) || isdigit(x) ;
 431 }
 432
 433 /***********************************************************************
 434  *           IsCharAlphaNumericW   (USER32.333)
 435  * FIXME: handle current locale
 436  */
 437 BOOL WINAPI IsCharAlphaNumericW(WCHAR x)
 438 {
 439     return iswalnum(x);
 440 }
 441
 442 /***********************************************************************
 443  *           IsCharAlphaW   (USER32.334)
 444  * FIXME: handle current locale
 445  */
 446 BOOL WINAPI IsCharAlphaW(WCHAR x)
 447 {
 448     return iswalpha(x);
 449 }
 450
 451 /***********************************************************************
 452  *           IsCharLower32A   (USER32.335)
 453  * FIXME: handle current locale
 454  */
 455 BOOL WINAPI IsCharLowerA(CHAR x)
 456 {
 457     return islower(x);
 458 }
 459
 460 /***********************************************************************
 461  *           IsCharLower32W   (USER32.336)
 462  * FIXME: handle current locale
 463  */
 464 BOOL WINAPI IsCharLowerW(WCHAR x)
 465 {
 466     return iswlower(x);
 467 }
 468
 469 /***********************************************************************
 470  *           IsCharUpper32A   (USER32.337)
 471  * FIXME: handle current locale
 472  */
 473 BOOL WINAPI IsCharUpperA(CHAR x)
 474 {
 475     return isupper(x);
 476 }
 477
 478 /***********************************************************************
 479  *           IsCharUpper32W   (USER32.338)
 480  * FIXME: handle current locale
 481  */
 482 BOOL WINAPI IsCharUpperW(WCHAR x)
 483 {
 484     return iswupper(x);
 485 }
 486
 487 /***********************************************************************
 488  *           FormatMessage16   (USER.606)
 489  */
 490 DWORD WINAPI FormatMessage16(
 491     DWORD   dwFlags,
 492     LPCVOID lpSource,
 493     WORD   dwMessageId,
 494     WORD   dwLanguageId,
 495     LPSTR   lpBuffer,
 496     WORD   nSize,
 497     LPDWORD args /* va_list *args */
 498 ) {
 499     return FormatMessageA(dwFlags, lpSource, (DWORD)dwMessageId, (DWORD)dwLanguageId, lpBuffer, (DWORD)nSize, args);
 500 }
 501
 502 /***********************************************************************
 503  *           FormatMessage32A   (KERNEL32.138)
 504  * FIXME: missing wrap,FROM_SYSTEM message-loading,
 505  */
 506 DWORD WINAPI FormatMessageA(
 507         DWORD   dwFlags,
 508         LPCVOID lpSource,
 509         DWORD   dwMessageId,
 510         DWORD   dwLanguageId,
 511         LPSTR   lpBuffer,
 512         DWORD   nSize,
 513         LPDWORD args /* va_list *args */
 514 ) {
 515 #ifdef __i386__
 516 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 517         LPSTR   target,t;
 518         DWORD   talloced;
 519         LPSTR   from,f;
 520         DWORD   width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 521         DWORD   nolinefeed = 0;
 522
 523         TRACE(resource, "(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
 524                      dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 525         if (width)
 526                 FIXME(resource,"line wrapping not supported.\n");
 527         from = NULL;
 528         if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
 529                 from = HEAP_strdupA( GetProcessHeap(), 0, (LPSTR)lpSource);
 530         if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
 531                 from = HeapAlloc( GetProcessHeap(),0,200 );
 532                 sprintf(from,"Systemmessage, messageid = 0x%08lx\n",dwMessageId);
 533         }
 534         if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
 535                 INT     bufsize;
 536
 537                 dwMessageId &= 0xFFFF;
 538                 bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
 539                 if (bufsize) {
 540                         from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 541                         LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
 542                 }
 543         }
 544         target  = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
 545         t       = target;
 546         talloced= 100;
 547
 548 #define ADD_TO_T(c) \
 549         *t++=c;\
 550         if (t-target == talloced) {\
 551                 target  = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 552                 t       = target+talloced;\
 553                 talloced*=2;\
 554         }
 555
 556         if (from) {
 557                 f=from;
 558                 while (*f && !nolinefeed) {
 559                         if (*f=='%') {
 560                                 int     insertnr;
 561                                 char    *fmtstr,*sprintfbuf,*x,*lastf;
 562                                 DWORD   *argliststart;
 563
 564                                 fmtstr = NULL;
 565                                 lastf = f;
 566                                 f++;
 567                                 if (!*f) {
 568                                         ADD_TO_T('%');
 569                                         continue;
 570                                 }
 571                                 switch (*f) {
 572                                 case '1':case '2':case '3':case '4':case '5':
 573                                 case '6':case '7':case '8':case '9':
 574                                         insertnr=*f-'0';
 575                                         switch (f[1]) {
 576                                         case '0':case '1':case '2':case '3':
 577                                         case '4':case '5':case '6':case '7':
 578                                         case '8':case '9':
 579                                                 f++;
 580                                                 insertnr=insertnr*10+*f-'0';
 581                                                 f++;
 582                                                 break;
 583                                         default:
 584                                                 f++;
 585                                                 break;
 586                                         }
 587                                         if (*f=='!') {
 588                                                 f++;
 589                                                 if (NULL!=(x=strchr(f,'!'))) {
 590                                                         *x='\0';
 591                                                         fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
 592                                                         sprintf(fmtstr,"%%%s",f);
 593                                                         f=x+1;
 594                                                 } else {
 595                                                         fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
 596                                                         sprintf(fmtstr,"%%%s",f);
 597                                                         f+=strlen(f); /*at \0*/
 598                                                 }
 599                                         } else
 600                                                 if(!args)
 601                                                   break;
 602                                         else
 603                                                 fmtstr=HEAP_strdupA(GetProcessHeap(),0,"%s");
 604                                         if (args) {
 605                                                 if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
 606                                                         argliststart=args+insertnr-1;
 607                                                 else
 608                                                     argliststart=(*(DWORD**)args)+insertnr-1;
 609
 610                                                 if (fmtstr[strlen(fmtstr)-1]=='s')
 611                                                         sprintfbuf=HeapAlloc(GetProcessHeap(),0,strlen((LPSTR)argliststart[0])+1);
 612                                                 else
 613                                                         sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
 614
 615                                                 /* CMF - This makes a BIG assumption about va_list */
 616                                                 wvsprintfA(sprintfbuf, fmtstr, (va_list) argliststart);
 617                                                 x=sprintfbuf;
 618                                                 while (*x) {
 619                                                         ADD_TO_T(*x++);
 620                                                 }
 621                                                 HeapFree(GetProcessHeap(),0,sprintfbuf);
 622                                         } else {
 623                                                 /* NULL args - copy formatstr
 624                                                  * (probably wrong)
 625                                                  */
 626                                                 while ((lastf<f)&&(*lastf)) {
 627                                                         ADD_TO_T(*lastf++);
 628                                                 }
 629                                         }
 630                                         HeapFree(GetProcessHeap(),0,fmtstr);
 631                                         break;
 632                                 case 'n':
 633                                         /* FIXME: perhaps add \r too? */
 634                                         ADD_TO_T('\n');
 635                                         f++;
 636                                         break;
 637                                 case '0':
 638                                         nolinefeed=1;
 639                                         f++;
 640                                         break;
 641                                 default:ADD_TO_T(*f++)
 642                                         break;
 643
 644                                 }
 645                         } else {
 646                                 ADD_TO_T(*f++)
 647                         }
 648                 }
 649                 *t='\0';
 650         }
 651         if (!nolinefeed) {
 652             /* add linefeed */
 653             if(t==target || t[-1]!='\n')
 654                 ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
 655         }
 656         talloced = strlen(target)+1;
 657         if (nSize && talloced<nSize) {
 658                 target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 659         }
 660     TRACE(resource,"-- %s\n",debugstr_a(target));
 661         if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 662                 /* nSize is the MINIMUM size */
 663                 *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced);
 664                 memcpy(*(LPSTR*)lpBuffer,target,talloced);
 665         } else
 666                 strncpy(lpBuffer,target,nSize);
 667         HeapFree(GetProcessHeap(),0,target);
 668         if (from) HeapFree(GetProcessHeap(),0,from);
 669         return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
 670                         strlen(*(LPSTR*)lpBuffer):
 671                         strlen(lpBuffer);
 672 #else
 673         return 0;
 674 #endif /* __i386__ */
 675 }
 676 #undef ADD_TO_T
 677
 678
 679 /***********************************************************************
 680  *           FormatMessage32W   (KERNEL32.138)
 681  */
 682 DWORD WINAPI FormatMessageW(
 683         DWORD   dwFlags,
 684         LPCVOID lpSource,
 685         DWORD   dwMessageId,
 686         DWORD   dwLanguageId,
 687         LPWSTR  lpBuffer,
 688         DWORD   nSize,
 689         LPDWORD args /* va_list *args */
 690 ) {
 691 #ifdef __i386__
 692 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 693         LPSTR   target,t;
 694         DWORD   talloced;
 695         LPSTR   from,f;
 696         DWORD   width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 697         DWORD   nolinefeed = 0;
 698
 699         TRACE(resource, "(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
 700                      dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 701         if (width)
 702                 FIXME(resource,"line wrapping not supported.\n");
 703         from = NULL;
 704         if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
 705                 from = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lpSource);
 706         if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
 707                 /* gather information from system message tables ... */
 708                 from = HeapAlloc( GetProcessHeap(),0,200 );
 709                 sprintf(from,"Systemmessage, messageid = 0x%08lx\n",dwMessageId);
 710         }
 711         if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
 712                 INT     bufsize;
 713
 714                 dwMessageId &= 0xFFFF;
 715                 bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
 716                 if (bufsize)
 717                 {
 718                     from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 719                     LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
 720                 }
 721         }
 722         target  = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100 );
 723         t       = target;
 724         talloced= 100;
 725
 726 #define ADD_TO_T(c) \
 727         *t++=c;\
 728         if (t-target == talloced) {\
 729                 target  = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 730                 t       = target+talloced;\
 731                 talloced*=2;\
 732         }
 733
 734         if (from) {
 735                 f=from;
 736                 while (*f && !nolinefeed) {
 737                         if (*f=='%') {
 738                                 int     insertnr;
 739                                 char    *fmtstr,*sprintfbuf,*x;
 740                                 DWORD   *argliststart;
 741
 742                                 fmtstr = NULL;
 743                                 f++;
 744                                 if (!*f) {
 745                                         ADD_TO_T('%');
 746                                         continue;
 747                                 }
 748                                 switch (*f) {
 749                                 case '1':case '2':case '3':case '4':case '5':
 750                                 case '6':case '7':case '8':case '9':
 751                                         insertnr=*f-'0';
 752                                         switch (f[1]) {
 753                                         case '0':case '1':case '2':case '3':
 754                                         case '4':case '5':case '6':case '7':
 755                                         case '8':case '9':
 756                                                 f++;
 757                                                 insertnr=insertnr*10+*f-'0';
 758                                                 f++;
 759                                                 break;
 760                                         default:
 761                                                 f++;
 762                                                 break;
 763                                         }
 764                                         if (*f=='!') {
 765                                                 f++;
 766                                                 if (NULL!=(x=strchr(f,'!')))
 767                                                 {
 768                                                     *x='\0';
 769                                                     fmtstr=HeapAlloc( GetProcessHeap(), 0, strlen(f)+2);
 770                                                         sprintf(fmtstr,"%%%s",f);
 771                                                         f=x+1;
 772                                                 } else {
 773                                                         fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
 774                                                         sprintf(fmtstr,"%%%s",f);
 775                                                         f+=strlen(f); /*at \0*/
 776                                                 }
 777                                         } else
 778                                                 if(!args)
 779                                                   break;
 780                                         else
 781                                                 fmtstr=HEAP_strdupA( GetProcessHeap(),0,"%s");
 782                                         if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
 783                                                 argliststart=args+insertnr-1;
 784                                         else
 785                                                 argliststart=(*(DWORD**)args)+insertnr-1;
 786
 787                                         if (fmtstr[strlen(fmtstr)-1]=='s') {
 788                                                 DWORD   xarr[3];
 789
 790                                                 xarr[0]=(DWORD)HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)(*(argliststart+0)));
 791                                                 /* possible invalid pointers */
 792                                                 xarr[1]=*(argliststart+1);
 793                                                 xarr[2]=*(argliststart+2);
 794                                                 sprintfbuf=HeapAlloc(GetProcessHeap(),0,lstrlenW((LPWSTR)argliststart[0])*2+1);
 795
 796                                                 /* CMF - This makes a BIG assumption about va_list */
 797                                                 vsprintf(sprintfbuf, fmtstr, (va_list) xarr);
 798                                         } else {
 799                                                 sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
 800
 801                                                 /* CMF - This makes a BIG assumption about va_list */
 802                                                 wvsprintfA(sprintfbuf, fmtstr, (va_list) argliststart);
 803                                         }
 804                                         x=sprintfbuf;
 805                                         while (*x) {
 806                                                 ADD_TO_T(*x++);
 807                                         }
 808                                         HeapFree(GetProcessHeap(),0,sprintfbuf);
 809                                         HeapFree(GetProcessHeap(),0,fmtstr);
 810                                         break;
 811                                 case 'n':
 812                                         /* FIXME: perhaps add \r too? */
 813                                         ADD_TO_T('\n');
 814                                         f++;
 815                                         break;
 816                                 case '0':
 817                                         nolinefeed=1;
 818                                         f++;
 819                                         break;
 820                                 default:ADD_TO_T(*f++)
 821                                         break;
 822
 823                                 }
 824                         } else {
 825                                 ADD_TO_T(*f++)
 826                         }
 827                 }
 828                 *t='\0';
 829         }
 830         if (!nolinefeed) {
 831             /* add linefeed */
 832             if(t==target || t[-1]!='\n')
 833                 ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
 834         }
 835         talloced = strlen(target)+1;
 836         if (nSize && talloced<nSize)
 837                 target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 838         if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 839                 /* nSize is the MINIMUM size */
 840                 *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced*2+2);
 841                 lstrcpynAtoW(*(LPWSTR*)lpBuffer,target,talloced);
 842         } else
 843                 lstrcpynAtoW(lpBuffer,target,nSize);
 844         HeapFree(GetProcessHeap(),0,target);
 845         if (from) HeapFree(GetProcessHeap(),0,from);
 846         return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
 847                         lstrlenW(*(LPWSTR*)lpBuffer):
 848                         lstrlenW(lpBuffer);
 849 #else
 850         return 0;
 851 #endif /* __i386__ */
 852 }
 853 #undef ADD_TO_T