dlls/shell32/iconcache.c

   1 /*
   2  *      shell icon cache (SIC)
   3  *
   4  * Copyright 1998, 1999 Juergen Schmied
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "wingdi.h"
  33 #include "winuser.h"
  34 #include "winreg.h"
  35 #include "wine/winuser16.h"
  36 #include "wine/winbase16.h"
  37 #include "heap.h"
  38 #include "wine/debug.h"
  39
  40 #include "shellapi.h"
  41 #include "objbase.h"
  42 #include "shlguid.h"
  43 #include "pidl.h"
  44 #include "shell32_main.h"
  45 #include "undocshell.h"
  46 #include "shlwapi.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  49
  50 /********************** THE ICON CACHE ********************************/
  51
  52 #define INVALID_INDEX -1
  53
  54 typedef struct
  55 {
  56         LPWSTR sSourceFile;     /* file (not path!) containing the icon */
  57         DWORD dwSourceIndex;    /* index within the file, if it is a resoure ID it will be negated */
  58         DWORD dwListIndex;      /* index within the iconlist */
  59         DWORD dwFlags;          /* GIL_* flags */
  60         DWORD dwAccessTime;
  61 } SIC_ENTRY, * LPSIC_ENTRY;
  62
  63 static HDPA             sic_hdpa = 0;
  64
  65 static CRITICAL_SECTION SHELL32_SicCS;
  66 static CRITICAL_SECTION_DEBUG critsect_debug =
  67 {
  68     0, 0, &SHELL32_SicCS,
  69     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  70       0, 0, { 0, (DWORD)(__FILE__ ": SHELL32_SicCS") }
  71 };
  72 static CRITICAL_SECTION SHELL32_SicCS = { &critsect_debug, -1, 0, 0, 0, 0 };
  73
  74 /*****************************************************************************
  75  * SIC_CompareEntries
  76  *
  77  * NOTES
  78  *  Callback for DPA_Search
  79  */
  80 static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
  81 {       TRACE("%p %p %8lx\n", p1, p2, lparam);
  82
  83         if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
  84           return 1;
  85
  86         if (strcmpiW(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
  87           return 1;
  88
  89         return 0;
  90 }
  91 /*****************************************************************************
  92  * SIC_IconAppend                       [internal]
  93  *
  94  * NOTES
  95  *  appends an icon pair to the end of the cache
  96  */
  97 static INT SIC_IconAppend (LPCWSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
  98 {       LPSIC_ENTRY lpsice;
  99         INT ret, index, index1;
 100         WCHAR path[MAX_PATH];
 101         TRACE("%s %i %p %p\n", debugstr_w(sSourceFile), dwSourceIndex, hSmallIcon ,hBigIcon);
 102
 103         lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
 104
 105        GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 106         lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, (strlenW(path)+1)*sizeof(WCHAR) );
 107         strcpyW( lpsice->sSourceFile, path );
 108
 109         lpsice->dwSourceIndex = dwSourceIndex;
 110
 111         EnterCriticalSection(&SHELL32_SicCS);
 112
 113         index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
 114         if ( INVALID_INDEX == index )
 115         {
 116           HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
 117           SHFree(lpsice);
 118           ret = INVALID_INDEX;
 119         }
 120         else
 121         {
 122           index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
 123           index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
 124
 125           if (index!=index1)
 126           {
 127             FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
 128           }
 129           lpsice->dwListIndex = index;
 130           ret = lpsice->dwListIndex;
 131         }
 132
 133         LeaveCriticalSection(&SHELL32_SicCS);
 134         return ret;
 135 }
 136 /****************************************************************************
 137  * SIC_LoadIcon                         [internal]
 138  *
 139  * NOTES
 140  *  gets small/big icon by number from a file
 141  */
 142 static INT SIC_LoadIcon (LPCWSTR sSourceFile, INT dwSourceIndex)
 143 {       HICON   hiconLarge=0;
 144         HICON   hiconSmall=0;
 145
 146         PrivateExtractIconsW( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
 147         PrivateExtractIconsW( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
 148
 149         if ( !hiconLarge ||  !hiconSmall)
 150         {
 151           WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
 152           return -1;
 153         }
 154         return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
 155 }
 156 /*****************************************************************************
 157  * SIC_GetIconIndex                     [internal]
 158  *
 159  * Parameters
 160  *      sSourceFile     [IN]    filename of file containing the icon
 161  *      index           [IN]    index/resID (negated) in this file
 162  *
 163  * NOTES
 164  *  look in the cache for a proper icon. if not available the icon is taken
 165  *  from the file and cached
 166  */
 167 INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex )
 168 {
 169         SIC_ENTRY sice;
 170         INT ret, index = INVALID_INDEX;
 171         WCHAR path[MAX_PATH];
 172
 173         TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
 174
 175         GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
 176         sice.sSourceFile = path;
 177         sice.dwSourceIndex = dwSourceIndex;
 178
 179         EnterCriticalSection(&SHELL32_SicCS);
 180
 181         if (NULL != DPA_GetPtr (sic_hdpa, 0))
 182         {
 183           /* search linear from position 0*/
 184           index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
 185         }
 186
 187         if ( INVALID_INDEX == index )
 188         {
 189           ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
 190         }
 191         else
 192         {
 193           TRACE("-- found\n");
 194           ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
 195         }
 196
 197         LeaveCriticalSection(&SHELL32_SicCS);
 198         return ret;
 199 }
 200 /****************************************************************************
 201  * SIC_GetIcon                          [internal]
 202  *
 203  * NOTES
 204  *  retrieves the specified icon from the iconcache. if not found tries to load the icon
 205  */
 206 static HICON WINE_UNUSED SIC_GetIcon (LPCWSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
 207 {       INT index;
 208
 209         TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
 210
 211         index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
 212
 213         if (INVALID_INDEX == index)
 214         {
 215           return (HICON)INVALID_INDEX;
 216         }
 217
 218         if (bSmallIcon)
 219           return ImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
 220         return ImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
 221
 222 }
 223 /*****************************************************************************
 224  * SIC_Initialize                       [internal]
 225  *
 226  * NOTES
 227  *  hack to load the resources from the shell32.dll under a different dll name
 228  *  will be removed when the resource-compiler is ready
 229  */
 230 BOOL SIC_Initialize(void)
 231 {
 232         HICON           hSm, hLg;
 233         UINT            index;
 234
 235         TRACE("\n");
 236
 237         if (sic_hdpa)   /* already initialized?*/
 238           return TRUE;
 239
 240         sic_hdpa = DPA_Create(16);
 241
 242         if (!sic_hdpa)
 243         {
 244           return(FALSE);
 245         }
 246
 247        ShellSmallIconList = ImageList_Create(16,16,ILC_COLOR32|ILC_MASK,0,0x20);
 248        ShellBigIconList = ImageList_Create(32,32,ILC_COLOR32|ILC_MASK,0,0x20);
 249
 250        ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
 251        ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
 252
 253         for (index=1; index<39; index++)
 254         {
 255           hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
 256           hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
 257
 258           if(!hSm)
 259           {
 260             hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
 261             hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
 262           }
 263          SIC_IconAppend (swShell32Name, index, hSm, hLg);
 264         }
 265
 266         TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
 267
 268         return TRUE;
 269 }
 270 /*************************************************************************
 271  * SIC_Destroy
 272  *
 273  * frees the cache
 274  */
 275 static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
 276 {
 277         HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
 278         SHFree(ptr);
 279         return TRUE;
 280 }
 281
 282 void SIC_Destroy(void)
 283 {
 284         TRACE("\n");
 285
 286         EnterCriticalSection(&SHELL32_SicCS);
 287
 288         if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
 289
 290         sic_hdpa = NULL;
 291
 292         LeaveCriticalSection(&SHELL32_SicCS);
 293         DeleteCriticalSection(&SHELL32_SicCS);
 294 }
 295 /*************************************************************************
 296  * Shell_GetImageList                   [SHELL32.71]
 297  *
 298  * PARAMETERS
 299  *  imglist[1|2] [OUT] pointer which receives imagelist handles
 300  *
 301  */
 302 BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
 303 {       TRACE("(%p,%p)\n",lpBigList,lpSmallList);
 304         if (lpBigList)
 305         { *lpBigList = ShellBigIconList;
 306         }
 307         if (lpSmallList)
 308         { *lpSmallList = ShellSmallIconList;
 309         }
 310
 311         return TRUE;
 312 }
 313 /*************************************************************************
 314  * PidlToSicIndex                       [INTERNAL]
 315  *
 316  * PARAMETERS
 317  *      sh      [IN]    IShellFolder
 318  *      pidl    [IN]
 319  *      bBigIcon [IN]
 320  *      uFlags  [IN]    GIL_*
 321  *      pIndex  [OUT]   index within the SIC
 322  *
 323  */
 324 BOOL PidlToSicIndex (
 325         IShellFolder * sh,
 326         LPCITEMIDLIST pidl,
 327         BOOL bBigIcon,
 328         UINT uFlags,
 329         int * pIndex)
 330 {
 331         IExtractIconW   *ei;
 332         WCHAR           szIconFile[MAX_PATH];   /* file containing the icon */
 333         INT             iSourceIndex;           /* index or resID(negated) in this file */
 334         BOOL            ret = FALSE;
 335         UINT            dwFlags = 0;
 336
 337         TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
 338
 339         if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
 340         {
 341           if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
 342           {
 343             *pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
 344             ret = TRUE;
 345           }
 346           IExtractIconW_Release(ei);
 347         }
 348
 349         if (INVALID_INDEX == *pIndex)   /* default icon when failed */
 350           *pIndex = 1;
 351
 352         return ret;
 353
 354 }
 355
 356 /*************************************************************************
 357  * SHMapPIDLToSystemImageListIndex      [SHELL32.77]
 358  *
 359  * PARAMETERS
 360  *      sh      [IN]            pointer to an instance of IShellFolder
 361  *      pidl    [IN]
 362  *      pIndex  [OUT][OPTIONAL] SIC index for big icon
 363  *
 364  */
 365 int WINAPI SHMapPIDLToSystemImageListIndex(
 366         IShellFolder *sh,
 367         LPCITEMIDLIST pidl,
 368         int *pIndex)
 369 {
 370         int Index;
 371
 372         TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
 373         pdump(pidl);
 374
 375         if (pIndex)
 376           PidlToSicIndex ( sh, pidl, 1, 0, pIndex);
 377         PidlToSicIndex ( sh, pidl, 0, 0, &Index);
 378         return Index;
 379 }
 380
 381 /*************************************************************************
 382  * Shell_GetCachedImageIndex            [SHELL32.72]
 383  *
 384  */
 385 INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
 386 {
 387         INT ret, len;
 388         LPWSTR szTemp;
 389
 390         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
 391
 392         len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
 393         szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 394         MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
 395
 396         ret = SIC_GetIconIndex( szTemp, nIndex );
 397
 398         HeapFree( GetProcessHeap(), 0, szTemp );
 399
 400         return ret;
 401 }
 402
 403 INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
 404 {
 405         WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
 406
 407         return SIC_GetIconIndex(szPath, nIndex);
 408 }
 409
 410 INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
 411 {       if( SHELL_OsIsUnicode())
 412           return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
 413         return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
 414 }
 415
 416 /*************************************************************************
 417  * ExtractIconEx                        [SHELL32.@]
 418  */
 419 UINT WINAPI ExtractIconExAW(LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 420 {       if (SHELL_OsIsUnicode())
 421           return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 422         return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 423 }
 424
 425 /*************************************************************************
 426  * ExtractIconExW                       [SHELL32.@]
 427  * RETURNS:
 428  *  0 no icon found
 429  *  -1 file is not valid
 430  *  or number of icons extracted
 431  */
 432 UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 433 {
 434         TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
 435
 436         return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 437 }
 438
 439 /*************************************************************************
 440  * ExtractIconExA                       [SHELL32.@]
 441  */
 442 UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
 443 {
 444     UINT ret;
 445     INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
 446     LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 447
 448     TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 449
 450     MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
 451     ret = ExtractIconExW (lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
 452     HeapFree(GetProcessHeap(), 0, lpwstrFile);
 453     return ret;
 454 }
 455
 456 /*************************************************************************
 457  *                              ExtractAssociatedIconA (SHELL32.@)
 458  *
 459  * Return icon for given file (either from file itself or from associated
 460  * executable) and patch parameters if needed.
 461  */
 462 HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 463 {
 464         HICON hIcon;
 465         WORD wDummyIcon = 0;
 466
 467         TRACE("\n");
 468
 469         if(lpiIcon == NULL)
 470             lpiIcon = &wDummyIcon;
 471
 472         hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
 473
 474         if( hIcon < (HICON)2 )
 475         { if( hIcon == (HICON)1 ) /* no icons found in given file */
 476           { char  tempPath[0x80];
 477             HINSTANCE uRet = FindExecutableA(lpIconPath,NULL,tempPath);
 478
 479             if( uRet > (HINSTANCE)32 && tempPath[0] )
 480             { strcpy(lpIconPath,tempPath);
 481               hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
 482               if( hIcon > (HICON)2 )
 483                 return hIcon;
 484             }
 485             else hIcon = 0;
 486           }
 487
 488           if( hIcon == (HICON)1 )
 489             *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 490           else
 491             *lpiIcon = 6;   /* generic icon - found nothing */
 492
 493           GetModuleFileNameA(hInst, lpIconPath, 0x80);
 494           hIcon = LoadIconA( hInst, MAKEINTRESOURCEA(*lpiIcon));
 495         }
 496         return hIcon;
 497 }
 498
 499 /*************************************************************************
 500  *                              ExtractAssociatedIconExW (SHELL32.@)
 501  *
 502  * Return icon for given file (either from file itself or from associated
 503  * executable) and patch parameters if needed.
 504  */
 505 HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 506 {
 507   FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
 508   return 0;
 509 }
 510
 511 /*************************************************************************
 512  *                              ExtractAssociatedIconExA (SHELL32.@)
 513  *
 514  * Return icon for given file (either from file itself or from associated
 515  * executable) and patch parameters if needed.
 516  */
 517 HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
 518 {
 519   HICON ret;
 520   INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
 521   LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 522
 523   TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
 524
 525   MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
 526   ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
 527   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 528   return ret;
 529 }
 530
 531
 532 /****************************************************************************
 533  * SHDefExtractIconW            [SHELL32.@]
 534  */
 535 HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
 536                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 537 {
 538         UINT ret;
 539         HICON hIcons[2];
 540         WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 541
 542         ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
 543         /* FIXME: deal with uFlags parameter which contains GIL_ flags */
 544         if (ret == 0xFFFFFFFF)
 545           return E_FAIL;
 546         if (ret > 0) {
 547           *phiconLarge = hIcons[0];
 548           *phiconSmall = hIcons[1];
 549           return S_OK;
 550         }
 551         return S_FALSE;
 552 }
 553
 554 /****************************************************************************
 555  * SHDefExtractIconA            [SHELL32.@]
 556  */
 557 HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
 558                                  HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
 559 {
 560   HRESULT ret;
 561   INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
 562   LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 563
 564   TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 565
 566   MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
 567   ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
 568   HeapFree(GetProcessHeap(), 0, lpwstrFile);
 569   return ret;
 570 }