loader/resource.c

   1 /*
   2  * Resources
   3  *
   4  * Copyright 1993 Robert J. Amstadt
   5  * Copyright 1995 Alexandre Julliard
   6  */
   7
   8 #include <assert.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <fcntl.h>
  14 #include <unistd.h>
  15 #include "winbase.h"
  16 #include "windef.h"
  17 #include "wingdi.h"
  18 #include "winuser.h"
  19 #include "wine/winbase16.h"
  20 #include "wine/winuser16.h"
  21 #include "wine/exception.h"
  22 #include "ldt.h"
  23 #include "global.h"
  24 #include "heap.h"
  25 #include "callback.h"
  26 #include "cursoricon.h"
  27 #include "neexe.h"
  28 #include "task.h"
  29 #include "process.h"
  30 #include "module.h"
  31 #include "file.h"
  32 #include "debugtools.h"
  33 #include "winerror.h"
  34 #include "winnls.h"
  35
  36 DEFAULT_DEBUG_CHANNEL(resource);
  37 DECLARE_DEBUG_CHANNEL(accel);
  38
  39 #define HRSRC_MAP_BLOCKSIZE 16
  40
  41 typedef struct _HRSRC_ELEM
  42 {
  43     HANDLE hRsrc;
  44     WORD     type;
  45 } HRSRC_ELEM;
  46
  47 typedef struct _HRSRC_MAP
  48 {
  49     int nAlloc;
  50     int nUsed;
  51     HRSRC_ELEM *elem;
  52 } HRSRC_MAP;
  53
  54 /**********************************************************************
  55  *          MapHRsrc32To16
  56  */
  57 static HRSRC16 MapHRsrc32To16( NE_MODULE *pModule, HANDLE hRsrc32, WORD type )
  58 {
  59     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
  60     HRSRC_ELEM *newElem;
  61     int i;
  62
  63     /* On first call, initialize HRSRC map */
  64     if ( !map )
  65     {
  66         if ( !(map = (HRSRC_MAP *)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  67                                              sizeof(HRSRC_MAP) ) ) )
  68         {
  69             ERR("Cannot allocate HRSRC map\n" );
  70             return 0;
  71         }
  72         pModule->hRsrcMap = (LPVOID)map;
  73     }
  74
  75     /* Check whether HRSRC32 already in map */
  76     for ( i = 0; i < map->nUsed; i++ )
  77         if ( map->elem[i].hRsrc == hRsrc32 )
  78             return (HRSRC16)(i + 1);
  79
  80     /* If no space left, grow table */
  81     if ( map->nUsed == map->nAlloc )
  82     {
  83         if ( !(newElem = (HRSRC_ELEM *)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  84                                                     map->elem,
  85                                                     (map->nAlloc + HRSRC_MAP_BLOCKSIZE)
  86                                                     * sizeof(HRSRC_ELEM) ) ))
  87         {
  88             ERR("Cannot grow HRSRC map\n" );
  89             return 0;
  90         }
  91         map->elem = newElem;
  92         map->nAlloc += HRSRC_MAP_BLOCKSIZE;
  93     }
  94
  95     /* Add HRSRC32 to table */
  96     map->elem[map->nUsed].hRsrc = hRsrc32;
  97     map->elem[map->nUsed].type  = type;
  98     map->nUsed++;
  99
 100     return (HRSRC16)map->nUsed;
 101 }
 102
 103 /**********************************************************************
 104  *          MapHRsrc16To32
 105  */
 106 static HANDLE MapHRsrc16To32( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 107 {
 108     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 109     if ( !map || !hRsrc16 || (int)hRsrc16 > map->nUsed ) return 0;
 110
 111     return map->elem[(int)hRsrc16-1].hRsrc;
 112 }
 113
 114 /**********************************************************************
 115  *          MapHRsrc16ToType
 116  */
 117 static WORD MapHRsrc16ToType( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 118 {
 119     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 120     if ( !map || !hRsrc16 || (int)hRsrc16 > map->nUsed ) return 0;
 121
 122     return map->elem[(int)hRsrc16-1].type;
 123 }
 124
 125
 126 /* filter for page-fault exceptions */
 127 static WINE_EXCEPTION_FILTER(page_fault)
 128 {
 129     if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
 130         return EXCEPTION_EXECUTE_HANDLER;
 131     return EXCEPTION_CONTINUE_SEARCH;
 132 }
 133
 134 static HRSRC RES_FindResource2( HMODULE hModule, LPCSTR type,
 135                                 LPCSTR name, WORD lang,
 136                                 BOOL bUnicode, BOOL bRet16 )
 137 {
 138     HRSRC hRsrc = 0;
 139     HMODULE16 hMod16   = MapHModuleLS( hModule );
 140     NE_MODULE *pModule = NE_GetPtr( hMod16 );
 141     WINE_MODREF *wm    = pModule && pModule->module32?
 142         MODULE32_LookupHMODULE( pModule->module32 ) : NULL;
 143
 144     TRACE("(%08x %s, %08x%s, %08x%s, %04x, %s, %s)\n",
 145           hModule,
 146           pModule ? (char *)NE_MODULE_NAME(pModule) : "NULL dereference",
 147           (UINT)type, HIWORD(type)? (bUnicode? debugstr_w((LPWSTR)type) : debugstr_a(type)) : "",
 148           (UINT)name, HIWORD(name)? (bUnicode? debugstr_w((LPWSTR)name) : debugstr_a(name)) : "",
 149           lang,
 150           bUnicode? "W"  : "A",
 151           bRet16?   "NE" : "PE" );
 152
 153     if (pModule)
 154     {
 155         if ( wm )
 156         {
 157             /* 32-bit PE module */
 158             LPWSTR typeStr, nameStr;
 159
 160             if ( HIWORD( type ) && !bUnicode )
 161                 typeStr = HEAP_strdupAtoW( GetProcessHeap(), 0, type );
 162             else
 163                 typeStr = (LPWSTR)type;
 164             if ( HIWORD( name ) && !bUnicode )
 165                 nameStr = HEAP_strdupAtoW( GetProcessHeap(), 0, name );
 166             else
 167                 nameStr = (LPWSTR)name;
 168
 169             hRsrc = PE_FindResourceExW( wm, nameStr, typeStr, lang );
 170
 171             if ( HIWORD( type ) && !bUnicode )
 172                 HeapFree( GetProcessHeap(), 0, typeStr );
 173             if ( HIWORD( name ) && !bUnicode )
 174                 HeapFree( GetProcessHeap(), 0, nameStr );
 175
 176
 177             /* If we need to return 16-bit HRSRC, perform conversion */
 178             if ( bRet16 )
 179                 hRsrc = MapHRsrc32To16( pModule, hRsrc,
 180                                         HIWORD( type )? 0 : LOWORD( type ) );
 181         }
 182         else
 183         {
 184             /* 16-bit NE module */
 185             LPSTR typeStr, nameStr;
 186
 187             if ( HIWORD( type ) && bUnicode )
 188                 typeStr = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)type );
 189             else
 190                 typeStr = (LPSTR)type;
 191             if ( HIWORD( name ) && bUnicode )
 192                 nameStr = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)name );
 193             else
 194                 nameStr = (LPSTR)name;
 195
 196             hRsrc = NE_FindResource( pModule, nameStr, typeStr );
 197
 198             if ( HIWORD( type ) && bUnicode )
 199                 HeapFree( GetProcessHeap(), 0, typeStr );
 200             if ( HIWORD( name ) && bUnicode )
 201                 HeapFree( GetProcessHeap(), 0, nameStr );
 202
 203
 204             /* If we need to return 32-bit HRSRC, no conversion is necessary,
 205                we simply use the 16-bit HRSRC as 32-bit HRSRC */
 206         }
 207     }
 208     return hRsrc;
 209 }
 210
 211 /**********************************************************************
 212  *          RES_FindResource
 213  */
 214
 215 static HRSRC RES_FindResource( HMODULE hModule, LPCSTR type,
 216                                LPCSTR name, WORD lang,
 217                                BOOL bUnicode, BOOL bRet16 )
 218 {
 219     HRSRC hRsrc;
 220     __TRY
 221     {
 222         hRsrc = RES_FindResource2(hModule, type, name, lang, bUnicode, bRet16);
 223     }
 224     __EXCEPT(page_fault)
 225     {
 226         WARN("page fault\n");
 227         SetLastError(ERROR_INVALID_PARAMETER);
 228         return 0;
 229     }
 230     __ENDTRY
 231     return hRsrc;
 232 }
 233
 234 /**********************************************************************
 235  *          RES_SizeofResource
 236  */
 237 static DWORD RES_SizeofResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
 238 {
 239     DWORD size = 0;
 240
 241     HMODULE16 hMod16   = MapHModuleLS( hModule );
 242     NE_MODULE *pModule = NE_GetPtr( hMod16 );
 243     WINE_MODREF *wm    = pModule && pModule->module32?
 244                          MODULE32_LookupHMODULE( pModule->module32 ) : NULL;
 245
 246     TRACE("(%08x %s, %08x, %s)\n",
 247           hModule, NE_MODULE_NAME(pModule), hRsrc, bRet16? "NE" : "PE" );
 248
 249     if ( !pModule || !hRsrc ) return 0;
 250
 251     if ( wm )
 252     {
 253         /* 32-bit PE module */
 254
 255         /* If we got a 16-bit hRsrc, convert it */
 256         HRSRC hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
 257
 258         size = PE_SizeofResource( hModule, hRsrc32 );
 259     }
 260     else
 261     {
 262         /* 16-bit NE module */
 263
 264         /* If we got a 32-bit hRsrc, we don't need to convert it */
 265
 266         size = NE_SizeofResource( pModule, hRsrc );
 267     }
 268
 269     return size;
 270 }
 271
 272 /**********************************************************************
 273  *          RES_AccessResource
 274  */
 275 static HFILE RES_AccessResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
 276 {
 277     HFILE hFile = HFILE_ERROR;
 278
 279     HMODULE16 hMod16   = MapHModuleLS( hModule );
 280     NE_MODULE *pModule = NE_GetPtr( hMod16 );
 281     WINE_MODREF *wm    = pModule && pModule->module32?
 282                          MODULE32_LookupHMODULE( pModule->module32 ) : NULL;
 283
 284     TRACE("(%08x %s, %08x, %s)\n",
 285           hModule, NE_MODULE_NAME(pModule), hRsrc, bRet16? "NE" : "PE" );
 286
 287     if ( !pModule || !hRsrc ) return HFILE_ERROR;
 288
 289     if ( wm )
 290     {
 291         /* 32-bit PE module */
 292 #if 0
 293         /* If we got a 16-bit hRsrc, convert it */
 294         HRSRC hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
 295 #endif
 296
 297         FIXME("32-bit modules not yet supported.\n" );
 298         hFile = HFILE_ERROR;
 299
 300         /* If we need to return a 16-bit file handle, convert it */
 301         if ( bRet16 )
 302             hFile = FILE_AllocDosHandle( hFile );
 303     }
 304     else
 305     {
 306         /* 16-bit NE module */
 307
 308         /* If we got a 32-bit hRsrc, we don't need to convert it */
 309
 310         hFile = NE_AccessResource( pModule, hRsrc );
 311
 312         /* If we are to return a 32-bit file handle, convert it */
 313         if ( !bRet16 )
 314             hFile = FILE_GetHandle( hFile );
 315     }
 316
 317     return hFile;
 318 }
 319
 320 /**********************************************************************
 321  *          RES_LoadResource
 322  */
 323 static HGLOBAL RES_LoadResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
 324 {
 325     HGLOBAL hMem = 0;
 326
 327     HMODULE16 hMod16   = MapHModuleLS( hModule );
 328     NE_MODULE *pModule = NE_GetPtr( hMod16 );
 329     WINE_MODREF *wm    = pModule && pModule->module32?
 330                          MODULE32_LookupHMODULE( pModule->module32 ) : NULL;
 331
 332     TRACE("(%08x %s, %08x, %s)\n",
 333           hModule, NE_MODULE_NAME(pModule), hRsrc, bRet16? "NE" : "PE" );
 334
 335     if ( !pModule || !hRsrc ) return 0;
 336
 337     if ( wm )
 338     {
 339         /* 32-bit PE module */
 340
 341         /* If we got a 16-bit hRsrc, convert it */
 342         HRSRC hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
 343
 344         hMem = PE_LoadResource( wm, hRsrc32 );
 345
 346         /* If we need to return a 16-bit resource, convert it */
 347         if ( bRet16 )
 348         {
 349             WORD type   = MapHRsrc16ToType( pModule, hRsrc );
 350             DWORD size  = SizeofResource( hModule, hRsrc );
 351             LPVOID bits = LockResource( hMem );
 352
 353             hMem = NE_LoadPEResource( pModule, type, bits, size );
 354         }
 355     }
 356     else
 357     {
 358         /* 16-bit NE module */
 359
 360         /* If we got a 32-bit hRsrc, we don't need to convert it */
 361
 362         hMem = NE_LoadResource( pModule, hRsrc );
 363
 364         /* If we are to return a 32-bit resource, we should probably
 365            convert it but we don't for now.  FIXME !!! */
 366     }
 367
 368     return hMem;
 369 }
 370
 371 /**********************************************************************
 372  *          RES_LockResource
 373  */
 374 static LPVOID RES_LockResource( HGLOBAL handle, BOOL bRet16 )
 375 {
 376     LPVOID bits = NULL;
 377
 378     TRACE("(%08x, %s)\n", handle, bRet16? "NE" : "PE" );
 379
 380     if ( HIWORD( handle ) )
 381     {
 382         /* 32-bit memory handle */
 383
 384         if ( bRet16 )
 385             FIXME("can't return SEGPTR to 32-bit resource %08x.\n", handle );
 386         else
 387             bits = (LPVOID)handle;
 388     }
 389     else
 390     {
 391         /* 16-bit memory handle */
 392
 393         /* May need to reload the resource if discarded */
 394         SEGPTR segPtr = WIN16_GlobalLock16( handle );
 395
 396         if ( bRet16 )
 397             bits = (LPVOID)segPtr;
 398         else
 399             bits = PTR_SEG_TO_LIN( segPtr );
 400     }
 401
 402     return bits;
 403 }
 404
 405 /**********************************************************************
 406  *          RES_FreeResource
 407  */
 408 static BOOL RES_FreeResource( HGLOBAL handle )
 409 {
 410     HGLOBAL retv = handle;
 411
 412     TRACE("(%08x)\n", handle );
 413
 414     if ( HIWORD( handle ) )
 415     {
 416         /* 32-bit memory handle: nothing to do */
 417     }
 418     else
 419     {
 420         /* 16-bit memory handle */
 421         NE_MODULE *pModule = NE_GetPtr( FarGetOwner16( handle ) );
 422
 423         /* Try NE resource first */
 424         retv = NE_FreeResource( pModule, handle );
 425
 426         /* If this failed, call USER.DestroyIcon32; this will check
 427            whether it is a shared cursor/icon; if not it will call
 428            GlobalFree16() */
 429         if ( retv ) {
 430             if ( Callout.DestroyIcon32 )
 431                 retv = Callout.DestroyIcon32( handle, CID_RESOURCE );
 432             else
 433                 retv = GlobalFree16( handle );
 434         }
 435     }
 436
 437     return (BOOL)retv;
 438 }
 439
 440
 441 /**********************************************************************
 442  *          FindResource16   (KERNEL.60)
 443  */
 444 HRSRC16 WINAPI FindResource16( HMODULE16 hModule, SEGPTR name, SEGPTR type )
 445 {
 446     LPCSTR nameStr = HIWORD(name)? PTR_SEG_TO_LIN(name) : (LPCSTR)name;
 447     LPCSTR typeStr = HIWORD(type)? PTR_SEG_TO_LIN(type) : (LPCSTR)type;
 448
 449     return RES_FindResource( hModule, typeStr, nameStr,
 450                              GetSystemDefaultLangID(), FALSE, TRUE );
 451 }
 452
 453 /**********************************************************************
 454  *          FindResourceA    (KERNEL32.128)
 455  */
 456 HANDLE WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
 457 {
 458     return RES_FindResource( hModule, type, name,
 459                              GetSystemDefaultLangID(), FALSE, FALSE );
 460 }
 461
 462 /**********************************************************************
 463  *          FindResourceExA  (KERNEL32.129)
 464  */
 465 HANDLE WINAPI FindResourceExA( HMODULE hModule,
 466                                LPCSTR type, LPCSTR name, WORD lang )
 467 {
 468     return RES_FindResource( hModule, type, name,
 469                              lang, FALSE, FALSE );
 470 }
 471
 472 /**********************************************************************
 473  *          FindResourceExW  (KERNEL32.130)
 474  */
 475 HRSRC WINAPI FindResourceExW( HMODULE hModule,
 476                               LPCWSTR type, LPCWSTR name, WORD lang )
 477 {
 478     return RES_FindResource( hModule, (LPCSTR)type, (LPCSTR)name,
 479                              lang, TRUE, FALSE );
 480 }
 481
 482 /**********************************************************************
 483  *          FindResourceW    (KERNEL32.131)
 484  */
 485 HRSRC WINAPI FindResourceW(HINSTANCE hModule, LPCWSTR name, LPCWSTR type)
 486 {
 487     return RES_FindResource( hModule, (LPCSTR)type, (LPCSTR)name,
 488                              GetSystemDefaultLangID(), TRUE, FALSE );
 489 }
 490
 491 /**********************************************************************
 492  *          LoadResource16   (KERNEL.61)
 493  */
 494 HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
 495 {
 496     return RES_LoadResource( hModule, hRsrc, TRUE );
 497 }
 498
 499 /**********************************************************************
 500  *          LoadResource     (KERNEL32.370)
 501  */
 502 HGLOBAL WINAPI LoadResource( HINSTANCE hModule, HRSRC hRsrc )
 503 {
 504     return RES_LoadResource( hModule, hRsrc, FALSE );
 505 }
 506
 507 /**********************************************************************
 508  *          LockResource16   (KERNEL.62)
 509  */
 510 SEGPTR WINAPI WIN16_LockResource16( HGLOBAL16 handle )
 511 {
 512     return (SEGPTR)RES_LockResource( handle, TRUE );
 513 }
 514 LPVOID WINAPI LockResource16( HGLOBAL16 handle )
 515 {
 516     return RES_LockResource( handle, FALSE );
 517 }
 518
 519 /**********************************************************************
 520  *          LockResource     (KERNEL32.384)
 521  */
 522 LPVOID WINAPI LockResource( HGLOBAL handle )
 523 {
 524     return RES_LockResource( handle, FALSE );
 525 }
 526
 527 /**********************************************************************
 528  *          FreeResource16   (KERNEL.63)
 529  */
 530 BOOL16 WINAPI FreeResource16( HGLOBAL16 handle )
 531 {
 532     return RES_FreeResource( handle );
 533 }
 534
 535 /**********************************************************************
 536  *          FreeResource     (KERNEL32.145)
 537  */
 538 BOOL WINAPI FreeResource( HGLOBAL handle )
 539 {
 540     return RES_FreeResource( handle );
 541 }
 542
 543 /**********************************************************************
 544  *          AccessResource16 (KERNEL.64)
 545  */
 546 INT16 WINAPI AccessResource16( HINSTANCE16 hModule, HRSRC16 hRsrc )
 547 {
 548     return RES_AccessResource( hModule, hRsrc, TRUE );
 549 }
 550
 551 /**********************************************************************
 552  *          AccessResource   (KERNEL32.64)
 553  */
 554 INT WINAPI AccessResource( HMODULE hModule, HRSRC hRsrc )
 555 {
 556     return RES_AccessResource( hModule, hRsrc, FALSE );
 557 }
 558
 559 /**********************************************************************
 560  *          SizeofResource16 (KERNEL.65)
 561  */
 562 DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
 563 {
 564     return RES_SizeofResource( hModule, hRsrc, TRUE );
 565 }
 566
 567 /**********************************************************************
 568  *          SizeofResource   (KERNEL32.522)
 569  */
 570 DWORD WINAPI SizeofResource( HINSTANCE hModule, HRSRC hRsrc )
 571 {
 572     return RES_SizeofResource( hModule, hRsrc, FALSE );
 573 }
 574
 575
 576
 577 /**********************************************************************
 578  *                      LoadAccelerators16      [USER.177]
 579  */
 580 HACCEL16 WINAPI LoadAccelerators16(HINSTANCE16 instance, SEGPTR lpTableName)
 581 {
 582     HRSRC16     hRsrc;
 583
 584     if (HIWORD(lpTableName))
 585         TRACE_(accel)("%04x '%s'\n",
 586                       instance, (char *)PTR_SEG_TO_LIN( lpTableName ) );
 587     else
 588         TRACE_(accel)("%04x %04x\n",
 589                        instance, LOWORD(lpTableName) );
 590
 591     if (!(hRsrc = FindResource16( instance, lpTableName, RT_ACCELERATOR16 ))) {
 592       WARN_(accel)("couldn't find accelerator table resource\n");
 593       return 0;
 594     }
 595
 596     TRACE_(accel)("returning HACCEL 0x%x\n", hRsrc);
 597     return LoadResource16(instance,hRsrc);
 598 }
 599
 600 /**********************************************************************
 601  *                      LoadAcceleratorsW       [USER.177]
 602  * The image layout seems to look like this (not 100% sure):
 603  * 00:  BYTE    type            type of accelerator
 604  * 01:  BYTE    pad             (to WORD boundary)
 605  * 02:  WORD    event
 606  * 04:  WORD    IDval
 607  * 06:  WORD    pad             (to DWORD boundary)
 608  */
 609 HACCEL WINAPI LoadAcceleratorsW(HINSTANCE instance,LPCWSTR lpTableName)
 610 {
 611     HRSRC hRsrc;
 612     HACCEL hMem,hRetval=0;
 613     DWORD size;
 614
 615     if (HIWORD(lpTableName))
 616         TRACE_(accel)("%p '%s'\n",
 617                       (LPVOID)instance, (char *)( lpTableName ) );
 618     else
 619         TRACE_(accel)("%p 0x%04x\n",
 620                        (LPVOID)instance, LOWORD(lpTableName) );
 621
 622     if (!(hRsrc = FindResourceW( instance, lpTableName, RT_ACCELERATORW )))
 623     {
 624       WARN_(accel)("couldn't find accelerator table resource\n");
 625     } else {
 626       hMem = LoadResource( instance, hRsrc );
 627       size = SizeofResource( instance, hRsrc );
 628       if(size>=sizeof(PE_ACCEL))
 629       {
 630         LPPE_ACCEL accel_table = (LPPE_ACCEL) hMem;
 631         LPACCEL16 accel16;
 632         int i,nrofaccells = size/sizeof(PE_ACCEL);
 633
 634         hRetval = GlobalAlloc16(0,sizeof(ACCEL16)*nrofaccells);
 635         accel16 = (LPACCEL16)GlobalLock16(hRetval);
 636         for (i=0;i<nrofaccells;i++) {
 637                 accel16[i].fVirt = accel_table[i].fVirt;
 638                 accel16[i].key = accel_table[i].key;
 639                 accel16[i].cmd = accel_table[i].cmd;
 640         }
 641         accel16[i-1].fVirt |= 0x80;
 642       }
 643     }
 644     TRACE_(accel)("returning HACCEL 0x%x\n", hRsrc);
 645     return hRetval;
 646 }
 647
 648 /***********************************************************************
 649  *              LoadAcceleratorsA
 650  */
 651 HACCEL WINAPI LoadAcceleratorsA(HINSTANCE instance,LPCSTR lpTableName)
 652 {
 653         LPWSTR   uni;
 654         HACCEL result;
 655         if (HIWORD(lpTableName))
 656                 uni = HEAP_strdupAtoW( GetProcessHeap(), 0, lpTableName );
 657         else
 658                 uni = (LPWSTR)lpTableName;
 659         result = LoadAcceleratorsW(instance,uni);
 660         if (HIWORD(uni)) HeapFree( GetProcessHeap(), 0, uni);
 661         return result;
 662 }
 663
 664 /**********************************************************************
 665  *             CopyAcceleratorTableA   (USER32.58)
 666  */
 667 INT WINAPI CopyAcceleratorTableA(HACCEL src, LPACCEL dst, INT entries)
 668 {
 669   return CopyAcceleratorTableW(src, dst, entries);
 670 }
 671
 672 /**********************************************************************
 673  *             CopyAcceleratorTableW   (USER32.59)
 674  *
 675  * By mortene@pvv.org 980321
 676  */
 677 INT WINAPI CopyAcceleratorTableW(HACCEL src, LPACCEL dst,
 678                                      INT entries)
 679 {
 680   int i,xsize;
 681   LPACCEL16 accel = (LPACCEL16)GlobalLock16(src);
 682   BOOL done = FALSE;
 683
 684   /* Do parameter checking to avoid the explosions and the screaming
 685      as far as possible. */
 686   if((dst && (entries < 1)) || (src == (HACCEL)NULL) || !accel) {
 687     WARN_(accel)("Application sent invalid parameters (%p %p %d).\n",
 688          (LPVOID)src, (LPVOID)dst, entries);
 689     return 0;
 690   }
 691   xsize = GlobalSize16(src)/sizeof(ACCEL16);
 692   if (xsize>entries) entries=xsize;
 693
 694   i=0;
 695   while(!done) {
 696     /* Spit out some debugging information. */
 697     TRACE_(accel)("accel %d: type 0x%02x, event '%c', IDval 0x%04x.\n",
 698           i, accel[i].fVirt, accel[i].key, accel[i].cmd);
 699
 700     /* Copy data to the destination structure array (if dst == NULL,
 701        we're just supposed to count the number of entries). */
 702     if(dst) {
 703       dst[i].fVirt = accel[i].fVirt;
 704       dst[i].key = accel[i].key;
 705       dst[i].cmd = accel[i].cmd;
 706
 707       /* Check if we've reached the end of the application supplied
 708          accelerator table. */
 709       if(i+1 == entries) {
 710         /* Turn off the high order bit, just in case. */
 711         dst[i].fVirt &= 0x7f;
 712         done = TRUE;
 713       }
 714     }
 715
 716     /* The highest order bit seems to mark the end of the accelerator
 717        resource table, but not always. Use GlobalSize() check too. */
 718     if((accel[i].fVirt & 0x80) != 0) done = TRUE;
 719
 720     i++;
 721   }
 722
 723   return i;
 724 }
 725
 726 /*********************************************************************
 727  *                    CreateAcceleratorTableA   (USER32.64)
 728  *
 729  * By mortene@pvv.org 980321
 730  */
 731 HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccel, INT cEntries)
 732 {
 733   HACCEL        hAccel;
 734   LPACCEL16     accel;
 735   int           i;
 736
 737   /* Do parameter checking just in case someone's trying to be
 738      funny. */
 739   if(cEntries < 1) {
 740     WARN_(accel)("Application sent invalid parameters (%p %d).\n",
 741          lpaccel, cEntries);
 742     SetLastError(ERROR_INVALID_PARAMETER);
 743     return (HACCEL)NULL;
 744   }
 745   FIXME_(accel)("should check that the accelerator descriptions are valid,"
 746         " return NULL and SetLastError() if not.\n");
 747
 748
 749   /* Allocate memory and copy the table. */
 750   hAccel = GlobalAlloc16(0,cEntries*sizeof(ACCEL16));
 751
 752   TRACE_(accel)("handle %x\n", hAccel);
 753   if(!hAccel) {
 754     ERR_(accel)("Out of memory.\n");
 755     SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 756     return (HACCEL)NULL;
 757   }
 758   accel = GlobalLock16(hAccel);
 759   for (i=0;i<cEntries;i++) {
 760         accel[i].fVirt = lpaccel[i].fVirt;
 761         accel[i].key = lpaccel[i].key;
 762         accel[i].cmd = lpaccel[i].cmd;
 763   }
 764   /* Set the end-of-table terminator. */
 765   accel[cEntries-1].fVirt |= 0x80;
 766
 767   TRACE_(accel)("Allocated accelerator handle %x\n", hAccel);
 768   return hAccel;
 769 }
 770
 771 /*********************************************************************
 772  *                    CreateAcceleratorTableW   (USER32.64)
 773  *
 774  *
 775  */
 776 HACCEL WINAPI CreateAcceleratorTableW(LPACCEL lpaccel, INT cEntries)
 777 {
 778   HACCEL        hAccel;
 779   LPACCEL16     accel;
 780   int           i;
 781   char          ckey;
 782
 783   /* Do parameter checking just in case someone's trying to be
 784      funny. */
 785   if(cEntries < 1) {
 786     WARN_(accel)("Application sent invalid parameters (%p %d).\n",
 787          lpaccel, cEntries);
 788     SetLastError(ERROR_INVALID_PARAMETER);
 789     return (HACCEL)NULL;
 790   }
 791   FIXME_(accel)("should check that the accelerator descriptions are valid,"
 792         " return NULL and SetLastError() if not.\n");
 793
 794
 795   /* Allocate memory and copy the table. */
 796   hAccel = GlobalAlloc16(0,cEntries*sizeof(ACCEL16));
 797
 798   TRACE_(accel)("handle %x\n", hAccel);
 799   if(!hAccel) {
 800     ERR_(accel)("Out of memory.\n");
 801     SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 802     return (HACCEL)NULL;
 803   }
 804   accel = GlobalLock16(hAccel);
 805
 806
 807   for (i=0;i<cEntries;i++) {
 808        accel[i].fVirt = lpaccel[i].fVirt;
 809        if( !(accel[i].fVirt & FVIRTKEY) ) {
 810           ckey = (char) lpaccel[i].key;
 811          if(!MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, &ckey, 1, &accel[i].key, 1))
 812             WARN_(accel)("Error converting ASCII accelerator table to Unicode");
 813        }
 814        else
 815          accel[i].key = lpaccel[i].key;
 816        accel[i].cmd = lpaccel[i].cmd;
 817   }
 818
 819   /* Set the end-of-table terminator. */
 820   accel[cEntries-1].fVirt |= 0x80;
 821
 822   TRACE_(accel)("Allocated accelerator handle %x\n", hAccel);
 823   return hAccel;
 824 }
 825
 826 /******************************************************************************
 827  * DestroyAcceleratorTable [USER32.130]
 828  * Destroys an accelerator table
 829  *
 830  * NOTES
 831  *    By mortene@pvv.org 980321
 832  *
 833  * PARAMS
 834  *    handle [I] Handle to accelerator table
 835  *
 836  * RETURNS STD
 837  */
 838 BOOL WINAPI DestroyAcceleratorTable( HACCEL handle )
 839 {
 840     return GlobalFree16(handle);
 841 }
 842
 843 /**********************************************************************
 844  *                                      LoadString16
 845  */
 846 INT16 WINAPI LoadString16( HINSTANCE16 instance, UINT16 resource_id,
 847                            LPSTR buffer, INT16 buflen )
 848 {
 849     HGLOBAL16 hmem;
 850     HRSRC16 hrsrc;
 851     unsigned char *p;
 852     int string_num;
 853     int i;
 854
 855     TRACE("inst=%04x id=%04x buff=%08x len=%d\n",
 856           instance, resource_id, (int) buffer, buflen);
 857
 858     hrsrc = FindResource16( instance, (SEGPTR)((resource_id>>4)+1), RT_STRING16 );
 859     if (!hrsrc) return 0;
 860     hmem = LoadResource16( instance, hrsrc );
 861     if (!hmem) return 0;
 862
 863     p = LockResource16(hmem);
 864     string_num = resource_id & 0x000f;
 865     for (i = 0; i < string_num; i++)
 866         p += *p + 1;
 867
 868     TRACE("strlen = %d\n", (int)*p );
 869
 870     if (buffer == NULL) return *p;
 871     i = min(buflen - 1, *p);
 872     if (i > 0) {
 873         memcpy(buffer, p + 1, i);
 874         buffer[i] = '\0';
 875     } else {
 876         if (buflen > 1) {
 877             buffer[0] = '\0';
 878             return 0;
 879         }
 880         WARN("Dont know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
 881     }
 882     FreeResource16( hmem );
 883
 884     TRACE("'%s' loaded !\n", buffer);
 885     return i;
 886 }
 887
 888 /**********************************************************************
 889  *      LoadStringW             (USER32.376)
 890  */
 891 INT WINAPI LoadStringW( HINSTANCE instance, UINT resource_id,
 892                             LPWSTR buffer, INT buflen )
 893 {
 894     HGLOBAL hmem;
 895     HRSRC hrsrc;
 896     WCHAR *p;
 897     int string_num;
 898     int i;
 899
 900     if (HIWORD(resource_id)==0xFFFF) /* netscape 3 passes this */
 901         resource_id = (UINT)(-((INT)resource_id));
 902     TRACE("instance = %04x, id = %04x, buffer = %08x, "
 903           "length = %d\n", instance, (int)resource_id, (int) buffer, buflen);
 904
 905     /* Use bits 4 - 19 (incremented by 1) as resourceid, mask out
 906      * 20 - 31. */
 907     hrsrc = FindResourceW( instance, (LPCWSTR)(((resource_id>>4)&0xffff)+1),
 908                              RT_STRINGW );
 909     if (!hrsrc) return 0;
 910     hmem = LoadResource( instance, hrsrc );
 911     if (!hmem) return 0;
 912
 913     p = LockResource(hmem);
 914     string_num = resource_id & 0x000f;
 915     for (i = 0; i < string_num; i++)
 916         p += *p + 1;
 917
 918     TRACE("strlen = %d\n", (int)*p );
 919
 920     if (buffer == NULL) return *p;
 921     i = min(buflen - 1, *p);
 922     if (i > 0) {
 923         memcpy(buffer, p + 1, i * sizeof (WCHAR));
 924         buffer[i] = (WCHAR) 0;
 925     } else {
 926         if (buflen > 1) {
 927             buffer[0] = (WCHAR) 0;
 928             return 0;
 929         }
 930 #if 0
 931         WARN("Dont know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
 932 #endif
 933     }
 934
 935     TRACE("%s loaded !\n", debugstr_w(buffer));
 936     return i;
 937 }
 938
 939 /**********************************************************************
 940  *      LoadStringA     (USER32.375)
 941  */
 942 INT WINAPI LoadStringA( HINSTANCE instance, UINT resource_id,
 943                             LPSTR buffer, INT buflen )
 944 {
 945     INT    retval;
 946     LPWSTR wbuf;
 947
 948     TRACE("instance = %04x, id = %04x, buffer = %08x, "
 949           "length = %d\n", instance, (int)resource_id, (int) buffer, buflen);
 950
 951     if(buffer == NULL) /* asked size of string */
 952         return LoadStringW(instance, resource_id, NULL, 0);
 953
 954     wbuf = HeapAlloc(GetProcessHeap(), 0, buflen * sizeof(WCHAR));
 955     if(!wbuf)
 956         return 0;
 957
 958     retval = LoadStringW(instance, resource_id, wbuf, buflen);
 959     if(retval != 0)
 960     {
 961         retval = WideCharToMultiByte(CP_ACP, 0, wbuf, retval, buffer, buflen - 1, NULL, NULL);
 962         buffer[retval] = 0;
 963         TRACE("%s loaded !\n", debugstr_a(buffer));
 964     }
 965     HeapFree( GetProcessHeap(), 0, wbuf );
 966
 967     return retval;
 968 }
 969
 970 /* Messages...used by FormatMessage32* (KERNEL32.something)
 971  *
 972  * They can be specified either directly or using a message ID and
 973  * loading them from the resource.
 974  *
 975  * The resourcedata has following format:
 976  * start:
 977  * 0: DWORD nrofentries
 978  * nrofentries * subentry:
 979  *      0: DWORD firstentry
 980  *      4: DWORD lastentry
 981  *      8: DWORD offset from start to the stringentries
 982  *
 983  * (lastentry-firstentry) * stringentry:
 984  * 0: WORD len (0 marks end)
 985  * 2: WORD flags
 986  * 4: CHAR[len-4]
 987  *      (stringentry i of a subentry refers to the ID 'firstentry+i')
 988  *
 989  * Yes, ANSI strings in win32 resources. Go figure.
 990  */
 991
 992 /**********************************************************************
 993  *      LoadMessageA            (internal)
 994  */
 995 INT WINAPI LoadMessageA( HMODULE instance, UINT id, WORD lang,
 996                       LPSTR buffer, INT buflen )
 997 {
 998     HGLOBAL     hmem;
 999     HRSRC       hrsrc;
1000     PMESSAGE_RESOURCE_DATA      mrd;
1001     PMESSAGE_RESOURCE_BLOCK     mrb;
1002     PMESSAGE_RESOURCE_ENTRY     mre;
1003     int         i,slen;
1004
1005     TRACE("instance = %08lx, id = %08lx, buffer = %p, length = %ld\n", (DWORD)instance, (DWORD)id, buffer, (DWORD)buflen);
1006
1007     /*FIXME: I am not sure about the '1' ... But I've only seen those entries*/
1008     hrsrc = FindResourceExW(instance,RT_MESSAGELISTW,(LPWSTR)1,lang);
1009     if (!hrsrc) return 0;
1010     hmem = LoadResource( instance, hrsrc );
1011     if (!hmem) return 0;
1012
1013     mrd = (PMESSAGE_RESOURCE_DATA)LockResource(hmem);
1014     mre = NULL;
1015     mrb = &(mrd->Blocks[0]);
1016     for (i=mrd->NumberOfBlocks;i--;) {
1017         if ((id>=mrb->LowId) && (id<=mrb->HighId)) {
1018             mre = (PMESSAGE_RESOURCE_ENTRY)(((char*)mrd)+mrb->OffsetToEntries);
1019             id  -= mrb->LowId;
1020             break;
1021         }
1022         mrb++;
1023     }
1024     if (!mre)
1025         return 0;
1026     for (i=id;i--;) {
1027         if (!mre->Length)
1028                 return 0;
1029         mre = (PMESSAGE_RESOURCE_ENTRY)(((char*)mre)+(mre->Length));
1030     }
1031     slen=mre->Length;
1032     TRACE("     - strlen=%d\n",slen);
1033     i = min(buflen - 1, slen);
1034     if (buffer == NULL)
1035         return slen;
1036     if (i>0) {
1037         lstrcpynA(buffer,(char*)mre->Text,i);
1038         buffer[i]=0;
1039     } else {
1040         if (buflen>1) {
1041             buffer[0]=0;
1042             return 0;
1043         }
1044     }
1045     if (buffer)
1046             TRACE("'%s' copied !\n", buffer);
1047     return i;
1048 }
1049
1050 /**********************************************************************
1051  *      LoadMessageW    (internal)
1052  */
1053 INT WINAPI LoadMessageW( HMODULE instance, UINT id, WORD lang,
1054                       LPWSTR buffer, INT buflen )
1055 {
1056     INT retval;
1057     LPSTR buffer2 = NULL;
1058     if (buffer && buflen)
1059         buffer2 = HeapAlloc( GetProcessHeap(), 0, buflen );
1060     retval = LoadMessageA(instance,id,lang,buffer2,buflen);
1061     if (buffer)
1062     {
1063         if (retval) {
1064             lstrcpynAtoW( buffer, buffer2, buflen );
1065             retval = lstrlenW( buffer );
1066         }
1067         HeapFree( GetProcessHeap(), 0, buffer2 );
1068     }
1069     return retval;
1070 }
1071
1072
1073 /**********************************************************************
1074  *      EnumResourceTypesA      (KERNEL32.90)
1075  */
1076 BOOL WINAPI EnumResourceTypesA( HMODULE hmodule,ENUMRESTYPEPROCA lpfun,
1077                                     LONG lParam)
1078 {
1079         /* FIXME: move WINE_MODREF stuff here */
1080     return PE_EnumResourceTypesA(hmodule,lpfun,lParam);
1081 }
1082
1083 /**********************************************************************
1084  *      EnumResourceTypesW      (KERNEL32.91)
1085  */
1086 BOOL WINAPI EnumResourceTypesW( HMODULE hmodule,ENUMRESTYPEPROCW lpfun,
1087                                     LONG lParam)
1088 {
1089         /* FIXME: move WINE_MODREF stuff here */
1090     return PE_EnumResourceTypesW(hmodule,lpfun,lParam);
1091 }
1092
1093 /**********************************************************************
1094  *      EnumResourceNamesA      (KERNEL32.88)
1095  */
1096 BOOL WINAPI EnumResourceNamesA( HMODULE hmodule, LPCSTR type,
1097                                     ENUMRESNAMEPROCA lpfun, LONG lParam )
1098 {
1099         /* FIXME: move WINE_MODREF stuff here */
1100     return PE_EnumResourceNamesA(hmodule,type,lpfun,lParam);
1101 }
1102 /**********************************************************************
1103  *      EnumResourceNamesW      (KERNEL32.89)
1104  */
1105 BOOL WINAPI EnumResourceNamesW( HMODULE hmodule, LPCWSTR type,
1106                                     ENUMRESNAMEPROCW lpfun, LONG lParam )
1107 {
1108         /* FIXME: move WINE_MODREF stuff here */
1109     return PE_EnumResourceNamesW(hmodule,type,lpfun,lParam);
1110 }
1111
1112 /**********************************************************************
1113  *      EnumResourceLanguagesA  (KERNEL32.86)
1114  */
1115 BOOL WINAPI EnumResourceLanguagesA( HMODULE hmodule, LPCSTR type,
1116                                         LPCSTR name, ENUMRESLANGPROCA lpfun,
1117                                         LONG lParam)
1118 {
1119         /* FIXME: move WINE_MODREF stuff here */
1120     return PE_EnumResourceLanguagesA(hmodule,type,name,lpfun,lParam);
1121 }
1122 /**********************************************************************
1123  *      EnumResourceLanguagesW  (KERNEL32.87)
1124  */
1125 BOOL WINAPI EnumResourceLanguagesW( HMODULE hmodule, LPCWSTR type,
1126                                         LPCWSTR name, ENUMRESLANGPROCW lpfun,
1127                                         LONG lParam)
1128 {
1129         /* FIXME: move WINE_MODREF stuff here */
1130     return PE_EnumResourceLanguagesW(hmodule,type,name,lpfun,lParam);
1131 }