git.oblomov.eu Git - wine/blob - dlls/kernel/format_msg.c

   1 /*
   2  * FormatMessage implementation
   3  *
   4  * Copyright 1996 Marcus Meissner
   5  */
   6
   7 #include "config.h"
   8
   9 #include <stdio.h>
  10 #include <string.h>
  11
  12 #include "windef.h"
  13 #include "winbase.h"
  14 #include "winerror.h"
  15 #include "winuser.h"
  16 #include "winnls.h"
  17 #include "wine/unicode.h"
  18
  19 #include "heap.h"
  20 #include "debugtools.h"
  21
  22 DEFAULT_DEBUG_CHANNEL(resource);
  23
  24
  25 /* Messages...used by FormatMessage32* (KERNEL32.something)
  26  *
  27  * They can be specified either directly or using a message ID and
  28  * loading them from the resource.
  29  *
  30  * The resourcedata has following format:
  31  * start:
  32  * 0: DWORD nrofentries
  33  * nrofentries * subentry:
  34  *      0: DWORD firstentry
  35  *      4: DWORD lastentry
  36  *      8: DWORD offset from start to the stringentries
  37  *
  38  * (lastentry-firstentry) * stringentry:
  39  * 0: WORD len (0 marks end)    [ includes the 4 byte header length ]
  40  * 2: WORD flags
  41  * 4: CHAR[len-4]
  42  *      (stringentry i of a subentry refers to the ID 'firstentry+i')
  43  *
  44  * Yes, ANSI strings in win32 resources. Go figure.
  45  */
  46
  47 /**********************************************************************
  48  *      load_messageA           (internal)
  49  */
  50 static INT load_messageA( HMODULE instance, UINT id, WORD lang,
  51                           LPSTR buffer, INT buflen )
  52 {
  53     HGLOBAL     hmem;
  54     HRSRC       hrsrc;
  55     PMESSAGE_RESOURCE_DATA      mrd;
  56     PMESSAGE_RESOURCE_BLOCK     mrb;
  57     PMESSAGE_RESOURCE_ENTRY     mre;
  58     int         i,slen;
  59
  60     TRACE("instance = %08lx, id = %08lx, buffer = %p, length = %ld\n", (DWORD)instance, (DWORD)id, buffer, (DWORD)buflen);
  61
  62     /*FIXME: I am not sure about the '1' ... But I've only seen those entries*/
  63     hrsrc = FindResourceExW(instance,RT_MESSAGETABLEW,(LPWSTR)1,lang);
  64     if (!hrsrc) return 0;
  65     hmem = LoadResource( instance, hrsrc );
  66     if (!hmem) return 0;
  67
  68     mrd = (PMESSAGE_RESOURCE_DATA)LockResource(hmem);
  69     mre = NULL;
  70     mrb = &(mrd->Blocks[0]);
  71     for (i=mrd->NumberOfBlocks;i--;) {
  72         if ((id>=mrb->LowId) && (id<=mrb->HighId)) {
  73             mre = (PMESSAGE_RESOURCE_ENTRY)(((char*)mrd)+mrb->OffsetToEntries);
  74             id  -= mrb->LowId;
  75             break;
  76         }
  77         mrb++;
  78     }
  79     if (!mre)
  80         return 0;
  81     for (i=id;i--;) {
  82         if (!mre->Length)
  83                 return 0;
  84         mre = (PMESSAGE_RESOURCE_ENTRY)(((char*)mre)+mre->Length);
  85     }
  86     slen=mre->Length;
  87     TRACE("     - strlen=%d\n",slen);
  88     i = min(buflen - 1, slen);
  89     if (buffer == NULL)
  90         return slen;
  91     if (i>0) {
  92         if (mre->Flags & MESSAGE_RESOURCE_UNICODE)
  93             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)mre->Text, -1, buffer, i, NULL, NULL );
  94         else
  95             lstrcpynA(buffer, (LPSTR)mre->Text, i);
  96         buffer[i]=0;
  97     } else {
  98         if (buflen>1) {
  99             buffer[0]=0;
 100             return 0;
 101         }
 102     }
 103     if (buffer)
 104             TRACE("'%s' copied !\n", buffer);
 105     return i;
 106 }
 107
 108 #if 0  /* FIXME */
 109 /**********************************************************************
 110  *      load_messageW   (internal)
 111  */
 112 static INT load_messageW( HMODULE instance, UINT id, WORD lang,
 113                           LPWSTR buffer, INT buflen )
 114 {
 115     INT retval;
 116     LPSTR buffer2 = NULL;
 117     if (buffer && buflen)
 118         buffer2 = HeapAlloc( GetProcessHeap(), 0, buflen );
 119     retval = load_messageA(instance,id,lang,buffer2,buflen);
 120     if (buffer)
 121     {
 122         if (retval) {
 123             lstrcpynAtoW( buffer, buffer2, buflen );
 124             retval = strlenW( buffer );
 125         }
 126         HeapFree( GetProcessHeap(), 0, buffer2 );
 127     }
 128     return retval;
 129 }
 130 #endif
 131
 132
 133 /***********************************************************************
 134  *           FormatMessageA   (KERNEL32.@)
 135  * FIXME: missing wrap,
 136  */
 137 DWORD WINAPI FormatMessageA(
 138         DWORD   dwFlags,
 139         LPCVOID lpSource,
 140         DWORD   dwMessageId,
 141         DWORD   dwLanguageId,
 142         LPSTR   lpBuffer,
 143         DWORD   nSize,
 144         va_list* _args )
 145 {
 146     LPDWORD args=(LPDWORD)_args;
 147 #ifdef __i386__
 148 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 149     LPSTR       target,t;
 150     DWORD       talloced;
 151     LPSTR       from,f;
 152     DWORD       width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 153     BOOL    eos = FALSE;
 154     INT bufsize;
 155     HMODULE     hmodule = (HMODULE)lpSource;
 156     CHAR        ch;
 157
 158     TRACE("(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
 159           dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 160     if ((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
 161         && (dwFlags & FORMAT_MESSAGE_FROM_HMODULE)) return 0;
 162     if ((dwFlags & FORMAT_MESSAGE_FROM_STRING)
 163         &&((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
 164            || (dwFlags & FORMAT_MESSAGE_FROM_HMODULE))) return 0;
 165
 166     if (width && width != FORMAT_MESSAGE_MAX_WIDTH_MASK)
 167         FIXME("line wrapping (%lu) not supported.\n", width);
 168     from = NULL;
 169     if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
 170     {
 171         from = HeapAlloc( GetProcessHeap(), 0, strlen((LPSTR)lpSource)+1 );
 172         strcpy( from, (LPSTR)lpSource );
 173     }
 174     else {
 175         if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
 176             hmodule = GetModuleHandleA("kernel32");
 177         bufsize=load_messageA(hmodule,dwMessageId,dwLanguageId,NULL,100);
 178         if (!bufsize) {
 179             if (dwLanguageId) {
 180                 SetLastError (ERROR_RESOURCE_LANG_NOT_FOUND);
 181                 return 0;
 182             }
 183             bufsize=load_messageA(hmodule,dwMessageId,
 184                                   MAKELANGID(LANG_NEUTRAL,SUBLANG_NEUTRAL),NULL,100);
 185             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 186                                                 MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),NULL,100);
 187             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 188                                                 MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),NULL,100);
 189             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 190                                                 MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),NULL,100);
 191             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 192                                                 MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),NULL,100);
 193             if (!bufsize) {
 194                 SetLastError (ERROR_RESOURCE_LANG_NOT_FOUND);
 195                 return 0;
 196             }
 197         }
 198         from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 199         load_messageA(hmodule,dwMessageId,dwLanguageId,from,bufsize+1);
 200     }
 201     target      = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
 202     t   = target;
 203     talloced= 100;
 204
 205 #define ADD_TO_T(c) do { \
 206         *t++=c;\
 207         if (t-target == talloced) {\
 208             target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 209             t = target+talloced;\
 210             talloced*=2;\
 211       }\
 212 } while (0)
 213
 214     if (from) {
 215         f=from;
 216         if (dwFlags & FORMAT_MESSAGE_IGNORE_INSERTS) {
 217             while (*f && !eos)
 218                 ADD_TO_T(*f++);
 219         }
 220         else {
 221             while (*f && !eos) {
 222                 if (*f=='%') {
 223                     int insertnr;
 224                     char *fmtstr,*x,*lastf;
 225                     DWORD *argliststart;
 226
 227                     fmtstr = NULL;
 228                     lastf = f;
 229                     f++;
 230                     if (!*f) {
 231                         ADD_TO_T('%');
 232                         continue;
 233                     }
 234                     switch (*f) {
 235                     case '1':case '2':case '3':case '4':case '5':
 236                     case '6':case '7':case '8':case '9':
 237                         insertnr=*f-'0';
 238                         switch (f[1]) {
 239                         case '0':case '1':case '2':case '3':
 240                         case '4':case '5':case '6':case '7':
 241                         case '8':case '9':
 242                             f++;
 243                             insertnr=insertnr*10+*f-'0';
 244                             f++;
 245                             break;
 246                         default:
 247                             f++;
 248                             break;
 249                         }
 250                         if (*f=='!') {
 251                             f++;
 252                             if (NULL!=(x=strchr(f,'!'))) {
 253                                 *x='\0';
 254                                 fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
 255                                 sprintf(fmtstr,"%%%s",f);
 256                                 f=x+1;
 257                             } else {
 258                                 fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
 259                                 sprintf(fmtstr,"%%%s",f);
 260                                 f+=strlen(f); /*at \0*/
 261                             }
 262                         } else {
 263                             if(!args) break;
 264                             fmtstr = HeapAlloc(GetProcessHeap(),0,3);
 265                             strcpy( fmtstr, "%s" );
 266                         }
 267                         if (args) {
 268                             int sz;
 269                             LPSTR b;
 270
 271                             if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
 272                                 argliststart=args+insertnr-1;
 273                             else
 274                                 argliststart=(*(DWORD**)args)+insertnr-1;
 275
 276                                 /* FIXME: precision and width components are not handled correctly */
 277                             if (strcmp(fmtstr, "%ls") == 0) {
 278                                 sz = WideCharToMultiByte( CP_ACP, 0, *(WCHAR**)argliststart, -1, NULL, 0, NULL, NULL);
 279                                 b = HeapAlloc(GetProcessHeap(), 0, sz);
 280                                 WideCharToMultiByte( CP_ACP, 0, *(WCHAR**)argliststart, -1, b, sz, NULL, NULL);
 281                             } else {
 282                                 b = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sz = 100);
 283                                 /* CMF - This makes a BIG assumption about va_list */
 284                                 TRACE("A BIG assumption\n");
 285                                 while (vsnprintf(b, sz, fmtstr, (va_list) argliststart) < 0) {
 286                                     b = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, b, sz += 100);
 287                                 }
 288                             }
 289                             for (x=b; *x; x++) ADD_TO_T(*x);
 290
 291                             HeapFree(GetProcessHeap(),0,b);
 292                         } else {
 293                                 /* NULL args - copy formatstr
 294                                  * (probably wrong)
 295                                  */
 296                             while ((lastf<f)&&(*lastf)) {
 297                                 ADD_TO_T(*lastf++);
 298                             }
 299                         }
 300                         HeapFree(GetProcessHeap(),0,fmtstr);
 301                         break;
 302                     case 'n':
 303                         ADD_TO_T('\r');
 304                         ADD_TO_T('\n');
 305                         f++;
 306                         break;
 307                     case '0':
 308                         eos = TRUE;
 309                         f++;
 310                         break;
 311                     default:
 312                         ADD_TO_T(*f++);
 313                         break;
 314                     }
 315                 } else {
 316                     ch = *f;
 317                     f++;
 318                     if (ch == '\r') {
 319                         if (*f == '\n')
 320                             f++;
 321                         ADD_TO_T(' ');
 322                     } else {
 323                         if (ch == '\n')
 324                         {
 325                             ADD_TO_T('\r');
 326                             ADD_TO_T('\n');
 327                         }
 328                         else
 329                             ADD_TO_T(ch);
 330                     }
 331                 }
 332             }
 333         }
 334         *t='\0';
 335     }
 336     talloced = strlen(target)+1;
 337     if (nSize && talloced<nSize) {
 338         target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 339     }
 340     TRACE("-- %s\n",debugstr_a(target));
 341     if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 342         *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,max(nSize, talloced));
 343         memcpy(*(LPSTR*)lpBuffer,target,talloced);
 344     } else {
 345         lstrcpynA(lpBuffer,target,nSize);
 346     }
 347     HeapFree(GetProcessHeap(),0,target);
 348     if (from) HeapFree(GetProcessHeap(),0,from);
 349     TRACE("-- returning %d\n", (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?  strlen(*(LPSTR*)lpBuffer):strlen(lpBuffer));
 350     return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
 351         strlen(*(LPSTR*)lpBuffer):
 352             strlen(lpBuffer);
 353 #else
 354     return 0;
 355 #endif /* __i386__ */
 356 }
 357 #undef ADD_TO_T
 358
 359
 360 /***********************************************************************
 361  *           FormatMessageW   (KERNEL32.@)
 362  */
 363 DWORD WINAPI FormatMessageW(
 364         DWORD   dwFlags,
 365         LPCVOID lpSource,
 366         DWORD   dwMessageId,
 367         DWORD   dwLanguageId,
 368         LPWSTR  lpBuffer,
 369         DWORD   nSize,
 370         va_list* _args )
 371 {
 372     LPDWORD args=(LPDWORD)_args;
 373 #ifdef __i386__
 374 /* This implementation is completely dependant on the format of the va_list on x86 CPUs */
 375     LPSTR target,t;
 376     DWORD talloced;
 377     LPSTR from,f;
 378     DWORD width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
 379     BOOL eos = FALSE;
 380     INT bufsize;
 381     HMODULE hmodule = (HMODULE)lpSource;
 382     CHAR ch;
 383
 384     TRACE("(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
 385           dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
 386     if ((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
 387         && (dwFlags & FORMAT_MESSAGE_FROM_HMODULE)) return 0;
 388     if ((dwFlags & FORMAT_MESSAGE_FROM_STRING)
 389         &&((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
 390            || (dwFlags & FORMAT_MESSAGE_FROM_HMODULE))) return 0;
 391
 392     if (width && width != FORMAT_MESSAGE_MAX_WIDTH_MASK)
 393         FIXME("line wrapping not supported.\n");
 394     from = NULL;
 395     if (dwFlags & FORMAT_MESSAGE_FROM_STRING) {
 396         from = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lpSource);
 397     }
 398     else {
 399         if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM)
 400             hmodule = GetModuleHandleA("kernel32");
 401         bufsize=load_messageA(hmodule,dwMessageId,dwLanguageId,NULL,100);
 402         if (!bufsize) {
 403             if (dwLanguageId) {
 404                 SetLastError (ERROR_RESOURCE_LANG_NOT_FOUND);
 405                 return 0;
 406             }
 407             bufsize=load_messageA(hmodule,dwMessageId,
 408                                   MAKELANGID(LANG_NEUTRAL,SUBLANG_NEUTRAL),NULL,100);
 409             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 410                                                 MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),NULL,100);
 411             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 412                                                 MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),NULL,100);
 413             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 414                                                 MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),NULL,100);
 415             if (!bufsize) bufsize=load_messageA(hmodule,dwMessageId,
 416                                                 MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),NULL,100);
 417             if (!bufsize) {
 418                 SetLastError (ERROR_RESOURCE_LANG_NOT_FOUND);
 419                 return 0;
 420             }
 421         }
 422         from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
 423         load_messageA(hmodule,dwMessageId,dwLanguageId,from,bufsize+1);
 424     }
 425     target = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100 );
 426     t = target;
 427     talloced= 100;
 428
 429 #define ADD_TO_T(c)  do {\
 430     *t++=c;\
 431     if (t-target == talloced) {\
 432         target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
 433         t = target+talloced;\
 434         talloced*=2;\
 435     } \
 436 } while (0)
 437
 438     if (from) {
 439         f=from;
 440         if (dwFlags & FORMAT_MESSAGE_IGNORE_INSERTS) {
 441             while (*f && !eos)
 442                 ADD_TO_T(*f++);
 443         }
 444         else {
 445             while (*f && !eos) {
 446                 if (*f=='%') {
 447                     int insertnr;
 448                     char *fmtstr,*sprintfbuf,*x;
 449                     DWORD *argliststart;
 450
 451                     fmtstr = NULL;
 452                     f++;
 453                     if (!*f) {
 454                         ADD_TO_T('%');
 455                         continue;
 456                     }
 457
 458                     switch (*f) {
 459                     case '1':case '2':case '3':case '4':case '5':
 460                     case '6':case '7':case '8':case '9':
 461                         insertnr=*f-'0';
 462                         switch (f[1]) {
 463                         case '0':case '1':case '2':case '3':
 464                         case '4':case '5':case '6':case '7':
 465                         case '8':case '9':
 466                             f++;
 467                             insertnr=insertnr*10+*f-'0';
 468                             f++;
 469                             break;
 470                         default:
 471                             f++;
 472                             break;
 473                         }
 474                         if (*f=='!') {
 475                             f++;
 476                             if (NULL!=(x=strchr(f,'!'))) {
 477                                 *x='\0';
 478                                 fmtstr=HeapAlloc( GetProcessHeap(), 0, strlen(f)+2);
 479                                 sprintf(fmtstr,"%%%s",f);
 480                                 f=x+1;
 481                             } else {
 482                                 fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
 483                                 sprintf(fmtstr,"%%%s",f);
 484                                 f+=strlen(f); /*at \0*/
 485                             }
 486                         } else {
 487                             if(!args) break;
 488                             fmtstr = HeapAlloc( GetProcessHeap(),0,3);
 489                             strcpy( fmtstr, "%s" );
 490                         }
 491                         if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
 492                             argliststart=args+insertnr-1;
 493                         else
 494                             argliststart=(*(DWORD**)args)+insertnr-1;
 495
 496                         if (fmtstr[strlen(fmtstr)-1]=='s' && argliststart[0]) {
 497                             DWORD xarr[3];
 498
 499                             xarr[0]=(DWORD)HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)(*(argliststart+0)));
 500                             /* possible invalid pointers */
 501                             xarr[1]=*(argliststart+1);
 502                             xarr[2]=*(argliststart+2);
 503                             sprintfbuf=HeapAlloc(GetProcessHeap(),0,strlenW((LPWSTR)argliststart[0])*2+1);
 504
 505                             /* CMF - This makes a BIG assumption about va_list */
 506                             vsprintf(sprintfbuf, fmtstr, (va_list) xarr);
 507                         } else {
 508                             sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
 509
 510                             /* CMF - This makes a BIG assumption about va_list */
 511                             vsprintf(sprintfbuf, fmtstr, (va_list) argliststart);
 512                         }
 513                         x=sprintfbuf;
 514                         while (*x) {
 515                             ADD_TO_T(*x++);
 516                         }
 517                         HeapFree(GetProcessHeap(),0,sprintfbuf);
 518                         HeapFree(GetProcessHeap(),0,fmtstr);
 519                         break;
 520                     case 'n':
 521                         ADD_TO_T('\r');
 522                         ADD_TO_T('\n');
 523                         f++;
 524                         break;
 525                     case '0':
 526                         eos = TRUE;
 527                         f++;
 528                         break;
 529                     default:
 530                         ADD_TO_T(*f++);
 531                         break;
 532                     }
 533                 } else {
 534                     ch = *f;
 535                     f++;
 536                     if (ch == '\r') {
 537                         if (*f == '\n')
 538                             f++;
 539                         ADD_TO_T(' ');
 540                     } else {
 541                         if (ch == '\n')
 542                         {
 543                             ADD_TO_T('\r');
 544                             ADD_TO_T('\n');
 545                         }
 546                         else
 547                             ADD_TO_T(ch);
 548                     }
 549                 }
 550             }
 551         }
 552         *t='\0';
 553     }
 554     talloced = strlen(target)+1;
 555     if (nSize && talloced<nSize)
 556         target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
 557     if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
 558         /* nSize is the MINIMUM size */
 559         DWORD len = MultiByteToWideChar( CP_ACP, 0, target, -1, NULL, 0 );
 560         *((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,len*sizeof(WCHAR));
 561         MultiByteToWideChar( CP_ACP, 0, target, -1, *(LPWSTR*)lpBuffer, len );
 562     }
 563     else
 564     {
 565         if (nSize > 0 && !MultiByteToWideChar( CP_ACP, 0, target, -1, lpBuffer, nSize ))
 566             lpBuffer[nSize-1] = 0;
 567     }
 568     HeapFree(GetProcessHeap(),0,target);
 569     if (from) HeapFree(GetProcessHeap(),0,from);
 570     return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
 571         strlenW(*(LPWSTR*)lpBuffer):
 572             strlenW(lpBuffer);
 573 #else
 574     return 0;
 575 #endif /* __i386__ */
 576 }
 577 #undef ADD_TO_T