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 #include "wine/winbase16.h"
  25 #include "wine/winuser16.h"
  26 #include "winbase.h"
  27 #include "winuser.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 "debugtools.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 #ifdef __i386__
 500 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 501     LPSTR       target,t;
 502     DWORD       talloced;
 503     LPSTR       from,f;
 504     DWORD       width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 505     DWORD       nolinefeed = 0;
 506
 507     TRACE("(0x%lx,%p,%d,0x%x,%p,%d,%p)\n",
 508           dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 509     if (width)
 510         FIXME("line wrapping not supported.\n");
 511     from = NULL;
 512     if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
 513         from = HEAP_strdupA( GetProcessHeap(), 0, (LPSTR)lpSource);
 514     if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
 515         from = HeapAlloc( GetProcessHeap(),0,200 );
 516         sprintf(from,"Systemmessage, messageid = 0x%08x\n",dwMessageId);
 517     }
 518     if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
 519         INT     bufsize;
 520
 521         dwMessageId &= 0xFFFF;
 522         bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
 523         if (bufsize) {
 524             from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 525             LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
 526         }
 527     }
 528     target      = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
 529     t   = target;
 530     talloced= 100;
 531
 532 #define ADD_TO_T(c) \
 533         *t++=c;\
 534         if (t-target == talloced) {\
 535                 target  = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 536                 t       = target+talloced;\
 537                 talloced*=2;\
 538         }
 539
 540     if (from) {
 541         f=from;
 542         while (*f && !nolinefeed) {
 543             if (*f=='%') {
 544                 int     insertnr;
 545                 char    *fmtstr,*sprintfbuf,*x,*lastf;
 546                 DWORD   *argliststart;
 547
 548                 fmtstr = NULL;
 549                 lastf = f;
 550                 f++;
 551                 if (!*f) {
 552                     ADD_TO_T('%');
 553                     continue;
 554                 }
 555                 switch (*f) {
 556                 case '1':case '2':case '3':case '4':case '5':
 557                 case '6':case '7':case '8':case '9':
 558                     insertnr=*f-'0';
 559                     switch (f[1]) {
 560                     case '0':case '1':case '2':case '3':
 561                     case '4':case '5':case '6':case '7':
 562                     case '8':case '9':
 563                         f++;
 564                         insertnr=insertnr*10+*f-'0';
 565                         f++;
 566                         break;
 567                     default:
 568                         f++;
 569                         break;
 570                     }
 571                     if (*f=='!') {
 572                         f++;
 573                         if (NULL!=(x=strchr(f,'!'))) {
 574                             *x='\0';
 575                             fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
 576                             sprintf(fmtstr,"%%%s",f);
 577                             f=x+1;
 578                         } else {
 579                             fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
 580                             sprintf(fmtstr,"%%%s",f);
 581                             f+=strlen(f); /*at \0*/
 582                         }
 583                     } else
 584                         if(!args)
 585                             break;
 586                         else
 587                           fmtstr=HEAP_strdupA(GetProcessHeap(),0,"%s");
 588                     if (args) {
 589                         argliststart=args+insertnr-1;
 590                         if (fmtstr[strlen(fmtstr)-1]=='s')
 591                             sprintfbuf=HeapAlloc(GetProcessHeap(),0,
 592                                  strlen(PTR_SEG_TO_LIN(argliststart[0]))+1);
 593                         else
 594                             sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
 595
 596                         /* CMF - This makes a BIG assumption about va_list */
 597                         wvsprintf16(sprintfbuf, fmtstr, (va_list) argliststart);
 598                         x=sprintfbuf;
 599                         while (*x) {
 600                             ADD_TO_T(*x++);
 601                         }
 602                         HeapFree(GetProcessHeap(),0,sprintfbuf);
 603                     } else {
 604                         /* NULL args - copy formatstr
 605                          * (probably wrong)
 606                          */
 607                         while ((lastf<f)&&(*lastf)) {
 608                             ADD_TO_T(*lastf++);
 609                         }
 610                     }
 611                     HeapFree(GetProcessHeap(),0,fmtstr);
 612                     break;
 613                 case 'n':
 614                     /* FIXME: perhaps add \r too? */
 615                     ADD_TO_T('\n');
 616                     f++;
 617                     break;
 618                 case '0':
 619                     nolinefeed=1;
 620                     f++;
 621                     break;
 622                 default:
 623                     ADD_TO_T(*f++);
 624                     break;
 625
 626                 }
 627             } else {
 628                 ADD_TO_T(*f++);
 629             }
 630         }
 631         *t='\0';
 632     }
 633     if (!nolinefeed) {
 634         /* add linefeed */
 635         if(t==target || t[-1]!='\n')
 636             ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
 637     }
 638     talloced = strlen(target)+1;
 639     if (nSize && talloced<nSize) {
 640         target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 641     }
 642     TRACE("-- %s\n",debugstr_a(target));
 643     if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 644         /* nSize is the MINIMUM size */
 645         *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced);
 646         memcpy(*(LPSTR*)lpBuffer,target,talloced);
 647     } else
 648         strncpy(lpBuffer,target,nSize);
 649     HeapFree(GetProcessHeap(),0,target);
 650     if (from) HeapFree(GetProcessHeap(),0,from);
 651     return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
 652         strlen(*(LPSTR*)lpBuffer):
 653         strlen(lpBuffer);
 654 #else
 655         return 0;
 656 #endif /* __i386__ */
 657 }
 658 #undef ADD_TO_T
 659
 660 /***********************************************************************
 661  *           FormatMessage32A   (KERNEL32.138)
 662  * FIXME: missing wrap,FROM_SYSTEM message-loading,
 663  */
 664 DWORD WINAPI FormatMessageA(
 665         DWORD   dwFlags,
 666         LPCVOID lpSource,
 667         DWORD   dwMessageId,
 668         DWORD   dwLanguageId,
 669         LPSTR   lpBuffer,
 670         DWORD   nSize,
 671         LPDWORD args /* va_list *args */
 672 ) {
 673 #ifdef __i386__
 674 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 675         LPSTR   target,t;
 676         DWORD   talloced;
 677         LPSTR   from,f;
 678         DWORD   width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 679         DWORD   nolinefeed = 0;
 680
 681         TRACE("(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
 682                      dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 683         if (width)
 684                 FIXME("line wrapping not supported.\n");
 685         from = NULL;
 686         if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
 687                 from = HEAP_strdupA( GetProcessHeap(), 0, (LPSTR)lpSource);
 688         if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
 689                 from = HeapAlloc( GetProcessHeap(),0,200 );
 690                 sprintf(from,"Systemmessage, messageid = 0x%08lx\n",dwMessageId);
 691         }
 692         if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
 693                 INT     bufsize;
 694
 695                 dwMessageId &= 0xFFFF;
 696                 bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
 697                 if (bufsize) {
 698                         from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 699                         LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
 700                 }
 701         }
 702         target  = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
 703         t       = target;
 704         talloced= 100;
 705
 706 #define ADD_TO_T(c) \
 707         *t++=c;\
 708         if (t-target == talloced) {\
 709                 target  = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 710                 t       = target+talloced;\
 711                 talloced*=2;\
 712         }
 713
 714         if (from) {
 715                 f=from;
 716                 while (*f && !nolinefeed) {
 717                         if (*f=='%') {
 718                                 int     insertnr;
 719                                 char    *fmtstr,*sprintfbuf,*x,*lastf;
 720                                 DWORD   *argliststart;
 721
 722                                 fmtstr = NULL;
 723                                 lastf = f;
 724                                 f++;
 725                                 if (!*f) {
 726                                         ADD_TO_T('%');
 727                                         continue;
 728                                 }
 729                                 switch (*f) {
 730                                 case '1':case '2':case '3':case '4':case '5':
 731                                 case '6':case '7':case '8':case '9':
 732                                         insertnr=*f-'0';
 733                                         switch (f[1]) {
 734                                         case '0':case '1':case '2':case '3':
 735                                         case '4':case '5':case '6':case '7':
 736                                         case '8':case '9':
 737                                                 f++;
 738                                                 insertnr=insertnr*10+*f-'0';
 739                                                 f++;
 740                                                 break;
 741                                         default:
 742                                                 f++;
 743                                                 break;
 744                                         }
 745                                         if (*f=='!') {
 746                                                 f++;
 747                                                 if (NULL!=(x=strchr(f,'!'))) {
 748                                                         *x='\0';
 749                                                         fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
 750                                                         sprintf(fmtstr,"%%%s",f);
 751                                                         f=x+1;
 752                                                 } else {
 753                                                         fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
 754                                                         sprintf(fmtstr,"%%%s",f);
 755                                                         f+=strlen(f); /*at \0*/
 756                                                 }
 757                                         } else
 758                                                 if(!args)
 759                                                   break;
 760                                         else
 761                                                 fmtstr=HEAP_strdupA(GetProcessHeap(),0,"%s");
 762                                         if (args) {
 763                                                 if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
 764                                                         argliststart=args+insertnr-1;
 765                                                 else
 766                                                     argliststart=(*(DWORD**)args)+insertnr-1;
 767
 768                                                 if (fmtstr[strlen(fmtstr)-1]=='s')
 769                                                         sprintfbuf=HeapAlloc(GetProcessHeap(),0,strlen((LPSTR)argliststart[0])+1);
 770                                                 else
 771                                                         sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
 772
 773                                                 /* CMF - This makes a BIG assumption about va_list */
 774                                                 wvsprintfA(sprintfbuf, fmtstr, (va_list) argliststart);
 775                                                 x=sprintfbuf;
 776                                                 while (*x) {
 777                                                         ADD_TO_T(*x++);
 778                                                 }
 779                                                 HeapFree(GetProcessHeap(),0,sprintfbuf);
 780                                         } else {
 781                                                 /* NULL args - copy formatstr
 782                                                  * (probably wrong)
 783                                                  */
 784                                                 while ((lastf<f)&&(*lastf)) {
 785                                                         ADD_TO_T(*lastf++);
 786                                                 }
 787                                         }
 788                                         HeapFree(GetProcessHeap(),0,fmtstr);
 789                                         break;
 790                                 case 'n':
 791                                         /* FIXME: perhaps add \r too? */
 792                                         ADD_TO_T('\n');
 793                                         f++;
 794                                         break;
 795                                 case '0':
 796                                         nolinefeed=1;
 797                                         f++;
 798                                         break;
 799                                 default:ADD_TO_T(*f++)
 800                                         break;
 801
 802                                 }
 803                         } else {
 804                                 ADD_TO_T(*f++)
 805                         }
 806                 }
 807                 *t='\0';
 808         }
 809         if (!nolinefeed) {
 810             /* add linefeed */
 811             if(t==target || t[-1]!='\n')
 812                 ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
 813         }
 814         talloced = strlen(target)+1;
 815         if (nSize && talloced<nSize) {
 816                 target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 817         }
 818     TRACE("-- %s\n",debugstr_a(target));
 819         if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 820                 /* nSize is the MINIMUM size */
 821                 *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced);
 822                 memcpy(*(LPSTR*)lpBuffer,target,talloced);
 823         } else
 824                 strncpy(lpBuffer,target,nSize);
 825         HeapFree(GetProcessHeap(),0,target);
 826         if (from) HeapFree(GetProcessHeap(),0,from);
 827         return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
 828                         strlen(*(LPSTR*)lpBuffer):
 829                         strlen(lpBuffer);
 830 #else
 831         return 0;
 832 #endif /* __i386__ */
 833 }
 834 #undef ADD_TO_T
 835
 836
 837 /***********************************************************************
 838  *           FormatMessage32W   (KERNEL32.138)
 839  */
 840 DWORD WINAPI FormatMessageW(
 841         DWORD   dwFlags,
 842         LPCVOID lpSource,
 843         DWORD   dwMessageId,
 844         DWORD   dwLanguageId,
 845         LPWSTR  lpBuffer,
 846         DWORD   nSize,
 847         LPDWORD args /* va_list *args */
 848 ) {
 849 #ifdef __i386__
 850 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 851         LPSTR   target,t;
 852         DWORD   talloced;
 853         LPSTR   from,f;
 854         DWORD   width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 855         DWORD   nolinefeed = 0;
 856
 857         TRACE("(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
 858                      dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 859         if (width)
 860                 FIXME("line wrapping not supported.\n");
 861         from = NULL;
 862         if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
 863                 from = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lpSource);
 864         if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
 865                 /* gather information from system message tables ... */
 866                 from = HeapAlloc( GetProcessHeap(),0,200 );
 867                 sprintf(from,"Systemmessage, messageid = 0x%08lx\n",dwMessageId);
 868         }
 869         if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
 870                 INT     bufsize;
 871
 872                 dwMessageId &= 0xFFFF;
 873                 bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
 874                 if (bufsize)
 875                 {
 876                     from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 877                     LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
 878                 }
 879         }
 880         target  = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100 );
 881         t       = target;
 882         talloced= 100;
 883
 884 #define ADD_TO_T(c) \
 885         *t++=c;\
 886         if (t-target == talloced) {\
 887                 target  = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 888                 t       = target+talloced;\
 889                 talloced*=2;\
 890         }
 891
 892         if (from) {
 893                 f=from;
 894                 while (*f && !nolinefeed) {
 895                         if (*f=='%') {
 896                                 int     insertnr;
 897                                 char    *fmtstr,*sprintfbuf,*x;
 898                                 DWORD   *argliststart;
 899
 900                                 fmtstr = NULL;
 901                                 f++;
 902                                 if (!*f) {
 903                                         ADD_TO_T('%');
 904                                         continue;
 905                                 }
 906                                 switch (*f) {
 907                                 case '1':case '2':case '3':case '4':case '5':
 908                                 case '6':case '7':case '8':case '9':
 909                                         insertnr=*f-'0';
 910                                         switch (f[1]) {
 911                                         case '0':case '1':case '2':case '3':
 912                                         case '4':case '5':case '6':case '7':
 913                                         case '8':case '9':
 914                                                 f++;
 915                                                 insertnr=insertnr*10+*f-'0';
 916                                                 f++;
 917                                                 break;
 918                                         default:
 919                                                 f++;
 920                                                 break;
 921                                         }
 922                                         if (*f=='!') {
 923                                                 f++;
 924                                                 if (NULL!=(x=strchr(f,'!')))
 925                                                 {
 926                                                     *x='\0';
 927                                                     fmtstr=HeapAlloc( GetProcessHeap(), 0, strlen(f)+2);
 928                                                         sprintf(fmtstr,"%%%s",f);
 929                                                         f=x+1;
 930                                                 } else {
 931                                                         fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
 932                                                         sprintf(fmtstr,"%%%s",f);
 933                                                         f+=strlen(f); /*at \0*/
 934                                                 }
 935                                         } else
 936                                                 if(!args)
 937                                                   break;
 938                                         else
 939                                                 fmtstr=HEAP_strdupA( GetProcessHeap(),0,"%s");
 940                                         if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
 941                                                 argliststart=args+insertnr-1;
 942                                         else
 943                                                 argliststart=(*(DWORD**)args)+insertnr-1;
 944
 945                                         if (fmtstr[strlen(fmtstr)-1]=='s') {
 946                                                 DWORD   xarr[3];
 947
 948                                                 xarr[0]=(DWORD)HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)(*(argliststart+0)));
 949                                                 /* possible invalid pointers */
 950                                                 xarr[1]=*(argliststart+1);
 951                                                 xarr[2]=*(argliststart+2);
 952                                                 sprintfbuf=HeapAlloc(GetProcessHeap(),0,lstrlenW((LPWSTR)argliststart[0])*2+1);
 953
 954                                                 /* CMF - This makes a BIG assumption about va_list */
 955                                                 vsprintf(sprintfbuf, fmtstr, (va_list) xarr);
 956                                         } else {
 957                                                 sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
 958
 959                                                 /* CMF - This makes a BIG assumption about va_list */
 960                                                 wvsprintfA(sprintfbuf, fmtstr, (va_list) argliststart);
 961                                         }
 962                                         x=sprintfbuf;
 963                                         while (*x) {
 964                                                 ADD_TO_T(*x++);
 965                                         }
 966                                         HeapFree(GetProcessHeap(),0,sprintfbuf);
 967                                         HeapFree(GetProcessHeap(),0,fmtstr);
 968                                         break;
 969                                 case 'n':
 970                                         /* FIXME: perhaps add \r too? */
 971                                         ADD_TO_T('\n');
 972                                         f++;
 973                                         break;
 974                                 case '0':
 975                                         nolinefeed=1;
 976                                         f++;
 977                                         break;
 978                                 default:ADD_TO_T(*f++)
 979                                         break;
 980
 981                                 }
 982                         } else {
 983                                 ADD_TO_T(*f++)
 984                         }
 985                 }
 986                 *t='\0';
 987         }
 988         if (!nolinefeed) {
 989             /* add linefeed */
 990             if(t==target || t[-1]!='\n')
 991                 ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
 992         }
 993         talloced = strlen(target)+1;
 994         if (nSize && talloced<nSize)
 995                 target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 996         if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 997                 /* nSize is the MINIMUM size */
 998                 *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced*2+2);
 999                 lstrcpynAtoW(*(LPWSTR*)lpBuffer,target,talloced);
1000         } else
1001                 lstrcpynAtoW(lpBuffer,target,nSize);
1002         HeapFree(GetProcessHeap(),0,target);
1003         if (from) HeapFree(GetProcessHeap(),0,from);
1004         return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
1005                         lstrlenW(*(LPWSTR*)lpBuffer):
1006                         lstrlenW(lpBuffer);
1007 #else
1008         return 0;
1009 #endif /* __i386__ */
1010 }
1011 #undef ADD_TO_T