dlls/shell32/shlfileop.c

   1 /*
   2  * SHFileOperation
   3  *
   4  * Copyright 2000 Juergen Schmied
   5  * Copyright 2002 Andriy Palamarchuk
   6  * Copyright 2004 Dietrich Teickner (from Odin)
   7  * Copyright 2004 Rolf Kalbermatter
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdarg.h>
  28 #include <string.h>
  29 #include <ctype.h>
  30
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "winreg.h"
  34 #include "shellapi.h"
  35 #include "wingdi.h"
  36 #include "winuser.h"
  37 #include "shlobj.h"
  38 #include "shresdef.h"
  39 #define NO_SHLWAPI_STREAM
  40 #include "shlwapi.h"
  41 #include "shell32_main.h"
  42 #include "undocshell.h"
  43 #include "wine/unicode.h"
  44 #include "wine/debug.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  47
  48 #define IsAttrib(x, y)  ((INVALID_FILE_ATTRIBUTES != (x)) && ((x) & (y)))
  49 #define IsAttribFile(x) (!((x) & FILE_ATTRIBUTE_DIRECTORY))
  50 #define IsAttribDir(x)  IsAttrib(x, FILE_ATTRIBUTE_DIRECTORY)
  51 #define IsDotDir(x)     ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
  52
  53 #define FO_MASK         0xF
  54
  55 static const WCHAR wWildcardFile[] = {'*',0};
  56 static const WCHAR wWildcardChars[] = {'*','?',0};
  57
  58 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec);
  59 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
  60 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path);
  61 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path);
  62 static DWORD SHNotifyDeleteFileA(LPCSTR path);
  63 static DWORD SHNotifyDeleteFileW(LPCWSTR path);
  64 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest);
  65 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
  66 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
  67
  68 typedef struct
  69 {
  70         UINT caption_resource_id, text_resource_id;
  71 } SHELL_ConfirmIDstruc;
  72
  73 static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
  74 {
  75         switch (nKindOfDialog) {
  76           case ASK_DELETE_FILE:
  77             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
  78             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
  79             return TRUE;
  80           case ASK_DELETE_FOLDER:
  81             ids->caption_resource_id  = IDS_DELETEFOLDER_CAPTION;
  82             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
  83             return TRUE;
  84           case ASK_DELETE_MULTIPLE_ITEM:
  85             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
  86             ids->text_resource_id  = IDS_DELETEMULTIPLE_TEXT;
  87             return TRUE;
  88           case ASK_OVERWRITE_FILE:
  89             ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
  90             ids->text_resource_id  = IDS_OVERWRITEFILE_TEXT;
  91             return TRUE;
  92           default:
  93             FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
  94         }
  95         return FALSE;
  96 }
  97
  98 BOOL SHELL_ConfirmDialog(int nKindOfDialog, LPCSTR szDir)
  99 {
 100         CHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 101         SHELL_ConfirmIDstruc ids;
 102
 103         if (!SHELL_ConfirmIDs(nKindOfDialog, &ids))
 104           return FALSE;
 105
 106         LoadStringA(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption));
 107         LoadStringA(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText));
 108
 109         FormatMessageA(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
 110                        szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)&szDir);
 111
 112         return (IDOK == MessageBoxA(GetActiveWindow(), szBuffer, szCaption, MB_OKCANCEL | MB_ICONEXCLAMATION));
 113 }
 114
 115 BOOL SHELL_ConfirmDialogW(int nKindOfDialog, LPCWSTR szDir)
 116 {
 117         WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 118         SHELL_ConfirmIDstruc ids;
 119
 120         if (!SHELL_ConfirmIDs(nKindOfDialog, &ids))
 121           return FALSE;
 122
 123         LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption));
 124         LoadStringW(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText));
 125
 126         FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
 127                        szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)&szDir);
 128
 129         return (IDOK == MessageBoxW(GetActiveWindow(), szBuffer, szCaption, MB_OKCANCEL | MB_ICONEXCLAMATION));
 130 }
 131
 132 static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
 133 {
 134         DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
 135
 136         if (len < minChars)
 137           len = minChars;
 138
 139         *wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 140         if (*wPath)
 141         {
 142           MultiByteToWideChar(CP_ACP, 0, aPath, -1, *wPath, len);
 143           return NO_ERROR;
 144         }
 145         return E_OUTOFMEMORY;
 146 }
 147
 148 static void SHELL32_FreeUnicodeBuf(LPWSTR wPath)
 149 {
 150         HeapFree(GetProcessHeap(), 0, wPath);
 151 }
 152
 153 /**************************************************************************
 154  * SHELL_DeleteDirectory()  [internal]
 155  *
 156  * Asks for confirmation when bShowUI is true and deletes the directory and
 157  * all its subdirectories and files if necessary.
 158  */
 159 BOOL SHELL_DeleteDirectoryW(LPCWSTR pszDir, BOOL bShowUI)
 160 {
 161         BOOL    ret = TRUE;
 162         HANDLE  hFind;
 163         WIN32_FIND_DATAW wfd;
 164         WCHAR   szTemp[MAX_PATH];
 165
 166         /* Make sure the directory exists before eventually prompting the user */
 167         PathCombineW(szTemp, pszDir, wWildcardFile);
 168         hFind = FindFirstFileW(szTemp, &wfd);
 169         if (hFind == INVALID_HANDLE_VALUE)
 170           return FALSE;
 171
 172         if (!bShowUI || (ret = SHELL_ConfirmDialogW(ASK_DELETE_FOLDER, pszDir)))
 173         {
 174           do
 175           {
 176             LPWSTR lp = wfd.cAlternateFileName;
 177             if (!lp[0])
 178               lp = wfd.cFileName;
 179             if (IsDotDir(lp))
 180               continue;
 181             PathCombineW(szTemp, pszDir, lp);
 182             if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
 183               ret = SHELL_DeleteDirectoryW(szTemp, FALSE);
 184             else
 185               ret = (SHNotifyDeleteFileW(szTemp) == ERROR_SUCCESS);
 186           } while (ret && FindNextFileW(hFind, &wfd));
 187         }
 188         FindClose(hFind);
 189         if (ret)
 190           ret = (SHNotifyRemoveDirectoryW(pszDir) == ERROR_SUCCESS);
 191         return ret;
 192 }
 193
 194 /**************************************************************************
 195  *  SHELL_DeleteFileW()      [internal]
 196  */
 197 BOOL SHELL_DeleteFileW(LPCWSTR pszFile, BOOL bShowUI)
 198 {
 199         if (bShowUI && !SHELL_ConfirmDialogW(ASK_DELETE_FILE, pszFile))
 200           return FALSE;
 201
 202         return (SHNotifyDeleteFileW(pszFile) == ERROR_SUCCESS);
 203 }
 204
 205 /**************************************************************************
 206  * Win32CreateDirectory      [SHELL32.93]
 207  *
 208  * Creates a directory. Also triggers a change notify if one exists.
 209  *
 210  * PARAMS
 211  *  path       [I]   path to directory to create
 212  *
 213  * RETURNS
 214  *  TRUE if successful, FALSE otherwise
 215  *
 216  * NOTES
 217  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 218  *  This is Unicode on NT/2000
 219  */
 220 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 221 {
 222         LPWSTR wPath;
 223         DWORD retCode;
 224
 225         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 226
 227         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 228         if (!retCode)
 229         {
 230           retCode = SHNotifyCreateDirectoryW(wPath, sec);
 231           SHELL32_FreeUnicodeBuf(wPath);
 232         }
 233         return retCode;
 234 }
 235
 236 /**********************************************************************/
 237
 238 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 239 {
 240         TRACE("(%s, %p)\n", debugstr_w(path), sec);
 241
 242         if (CreateDirectoryW(path, sec))
 243         {
 244           SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
 245           return ERROR_SUCCESS;
 246         }
 247         return GetLastError();
 248 }
 249
 250 /**********************************************************************/
 251
 252 BOOL WINAPI Win32CreateDirectoryAW(LPCVOID path, LPSECURITY_ATTRIBUTES sec)
 253 {
 254         if (SHELL_OsIsUnicode())
 255           return (SHNotifyCreateDirectoryW(path, sec) == ERROR_SUCCESS);
 256         return (SHNotifyCreateDirectoryA(path, sec) == ERROR_SUCCESS);
 257 }
 258
 259 /************************************************************************
 260  * Win32RemoveDirectory      [SHELL32.94]
 261  *
 262  * Deletes a directory. Also triggers a change notify if one exists.
 263  *
 264  * PARAMS
 265  *  path       [I]   path to directory to delete
 266  *
 267  * RETURNS
 268  *  TRUE if successful, FALSE otherwise
 269  *
 270  * NOTES
 271  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 272  *  This is Unicode on NT/2000
 273  */
 274 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path)
 275 {
 276         LPWSTR wPath;
 277         DWORD retCode;
 278
 279         TRACE("(%s)\n", debugstr_a(path));
 280
 281         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 282         if (!retCode)
 283         {
 284           retCode = SHNotifyRemoveDirectoryW(wPath);
 285           SHELL32_FreeUnicodeBuf(wPath);
 286         }
 287         return retCode;
 288 }
 289
 290 /***********************************************************************/
 291
 292 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
 293 {
 294         BOOL ret;
 295         TRACE("(%s)\n", debugstr_w(path));
 296
 297         ret = RemoveDirectoryW(path);
 298         if (!ret)
 299         {
 300           /* Directory may be write protected */
 301           DWORD dwAttr = GetFileAttributesW(path);
 302           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
 303             if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
 304               ret = RemoveDirectoryW(path);
 305         }
 306         if (ret)
 307         {
 308           SHChangeNotify(SHCNE_RMDIR, SHCNF_PATHW, path, NULL);
 309           return ERROR_SUCCESS;
 310         }
 311         return GetLastError();
 312 }
 313
 314 /***********************************************************************/
 315
 316 BOOL WINAPI Win32RemoveDirectoryAW(LPCVOID path)
 317 {
 318         if (SHELL_OsIsUnicode())
 319           return (SHNotifyRemoveDirectoryW(path) == ERROR_SUCCESS);
 320         return (SHNotifyRemoveDirectoryA(path) == ERROR_SUCCESS);
 321 }
 322
 323 /************************************************************************
 324  * Win32DeleteFile           [SHELL32.164]
 325  *
 326  * Deletes a file. Also triggers a change notify if one exists.
 327  *
 328  * PARAMS
 329  *  path       [I]   path to file to delete
 330  *
 331  * RETURNS
 332  *  TRUE if successful, FALSE otherwise
 333  *
 334  * NOTES
 335  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 336  *  This is Unicode on NT/2000
 337  */
 338 static DWORD SHNotifyDeleteFileA(LPCSTR path)
 339 {
 340         LPWSTR wPath;
 341         DWORD retCode;
 342
 343         TRACE("(%s)\n", debugstr_a(path));
 344
 345         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 346         if (!retCode)
 347         {
 348           retCode = SHNotifyDeleteFileW(wPath);
 349           SHELL32_FreeUnicodeBuf(wPath);
 350         }
 351         return retCode;
 352 }
 353
 354 /***********************************************************************/
 355
 356 static DWORD SHNotifyDeleteFileW(LPCWSTR path)
 357 {
 358         BOOL ret;
 359
 360         TRACE("(%s)\n", debugstr_w(path));
 361
 362         ret = DeleteFileW(path);
 363         if (!ret)
 364         {
 365           /* File may be write protected or a system file */
 366           DWORD dwAttr = GetFileAttributesW(path);
 367           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 368             if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 369               ret = DeleteFileW(path);
 370         }
 371         if (ret)
 372         {
 373           SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, path, NULL);
 374           return ERROR_SUCCESS;
 375         }
 376         return GetLastError();
 377 }
 378
 379 /***********************************************************************/
 380
 381 DWORD WINAPI Win32DeleteFileAW(LPCVOID path)
 382 {
 383         if (SHELL_OsIsUnicode())
 384           return (SHNotifyDeleteFileW(path) == ERROR_SUCCESS);
 385         return (SHNotifyDeleteFileA(path) == ERROR_SUCCESS);
 386 }
 387
 388 /************************************************************************
 389  * SHNotifyMoveFile          [internal]
 390  *
 391  * Moves a file. Also triggers a change notify if one exists.
 392  *
 393  * PARAMS
 394  *  src        [I]   path to source file to move
 395  *  dest       [I]   path to target file to move to
 396  *
 397  * RETURNS
 398  *  ERORR_SUCCESS if successful
 399  */
 400 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest)
 401 {
 402         BOOL ret;
 403
 404         TRACE("(%s %s)\n", debugstr_w(src), debugstr_w(dest));
 405
 406         ret = MoveFileExW(src, dest, MOVEFILE_REPLACE_EXISTING);
 407
 408         /* MOVEFILE_REPLACE_EXISTING fails with dirs, so try MoveFile */
 409         if (!ret)
 410             ret = MoveFileW(src, dest);
 411
 412         if (!ret)
 413         {
 414           DWORD dwAttr;
 415
 416           dwAttr = SHFindAttrW(dest, FALSE);
 417           if (INVALID_FILE_ATTRIBUTES == dwAttr)
 418           {
 419             /* Source file may be write protected or a system file */
 420             dwAttr = GetFileAttributesW(src);
 421             if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 422               if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 423                 ret = MoveFileW(src, dest);
 424           }
 425         }
 426         if (ret)
 427         {
 428           SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_PATHW, src, dest);
 429           return ERROR_SUCCESS;
 430         }
 431         return GetLastError();
 432 }
 433
 434 /************************************************************************
 435  * SHNotifyCopyFile          [internal]
 436  *
 437  * Copies a file. Also triggers a change notify if one exists.
 438  *
 439  * PARAMS
 440  *  src           [I]   path to source file to move
 441  *  dest          [I]   path to target file to move to
 442  *  bFailIfExists [I]   if TRUE, the target file will not be overwritten if
 443  *                      a file with this name already exists
 444  *
 445  * RETURNS
 446  *  ERROR_SUCCESS if successful
 447  */
 448 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists)
 449 {
 450         BOOL ret;
 451
 452         TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bFailIfExists ? "failIfExists" : "");
 453
 454         ret = CopyFileW(src, dest, bFailIfExists);
 455         if (ret)
 456         {
 457           SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
 458           return ERROR_SUCCESS;
 459         }
 460
 461         return GetLastError();
 462 }
 463
 464 /*************************************************************************
 465  * SHCreateDirectory         [SHELL32.165]
 466  *
 467  * This function creates a file system folder whose fully qualified path is
 468  * given by path. If one or more of the intermediate folders do not exist,
 469  * they will be created as well.
 470  *
 471  * PARAMS
 472  *  hWnd       [I]
 473  *  path       [I]   path of directory to create
 474  *
 475  * RETURNS
 476  *  ERRROR_SUCCESS or one of the following values:
 477  *  ERROR_BAD_PATHNAME if the path is relative
 478  *  ERROR_FILE_EXISTS when a file with that name exists
 479  *  ERROR_PATH_NOT_FOUND can't find the path, probably invalid
 480  *  ERROR_INVLID_NAME if the path contains invalid chars
 481  *  ERROR_ALREADY_EXISTS when the directory already exists
 482  *  ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
 483  *
 484  * NOTES
 485  *  exported by ordinal
 486  *  Win9x exports ANSI
 487  *  WinNT/2000 exports Unicode
 488  */
 489 DWORD WINAPI SHCreateDirectory(HWND hWnd, LPCVOID path)
 490 {
 491         if (SHELL_OsIsUnicode())
 492           return SHCreateDirectoryExW(hWnd, path, NULL);
 493         return SHCreateDirectoryExA(hWnd, path, NULL);
 494 }
 495
 496 /*************************************************************************
 497  * SHCreateDirectoryExA      [SHELL32.@]
 498  *
 499  * This function creates a file system folder whose fully qualified path is
 500  * given by path. If one or more of the intermediate folders do not exist,
 501  * they will be created as well.
 502  *
 503  * PARAMS
 504  *  hWnd       [I]
 505  *  path       [I]   path of directory to create
 506  *  sec        [I]   security attributes to use or NULL
 507  *
 508  * RETURNS
 509  *  ERRROR_SUCCESS or one of the following values:
 510  *  ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
 511  *  ERROR_INVLID_NAME if the path contains invalid chars
 512  *  ERROR_FILE_EXISTS when a file with that name exists
 513  *  ERROR_ALREADY_EXISTS when the directory already exists
 514  *  ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
 515  *
 516  *  FIXME: Not implemented yet;
 517  *  SHCreateDirectoryEx also verifies that the files in the directory will be visible
 518  *  if the path is a network path to deal with network drivers which might have a limited
 519  *  but unknown maximum path length. If not:
 520  *
 521  *  If hWnd is set to a valid window handle, a message box is displayed warning
 522  *  the user that the files may not be accessible. If the user chooses not to
 523  *  proceed, the function returns ERROR_CANCELLED.
 524  *
 525  *  If hWnd is set to NULL, no user interface is displayed and the function
 526  *  returns ERROR_CANCELLED.
 527  */
 528 int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 529 {
 530         LPWSTR wPath;
 531         DWORD retCode;
 532
 533         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 534
 535         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 536         if (!retCode)
 537         {
 538           retCode = SHCreateDirectoryExW(hWnd, wPath, sec);
 539           SHELL32_FreeUnicodeBuf(wPath);
 540         }
 541         return retCode;
 542 }
 543
 544 /*************************************************************************
 545  * SHCreateDirectoryExW      [SHELL32.@]
 546  *
 547  * See SHCreateDirectoryExA.
 548  */
 549 int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 550 {
 551         int ret = ERROR_BAD_PATHNAME;
 552         TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
 553
 554         if (PathIsRelativeW(path))
 555         {
 556           SetLastError(ret);
 557         }
 558         else
 559         {
 560           ret = SHNotifyCreateDirectoryW(path, sec);
 561           /* Refuse to work on certain error codes before trying to create directories recursively */
 562           if (ret != ERROR_FILE_EXISTS &&
 563               ret != ERROR_ALREADY_EXISTS &&
 564               ret != ERROR_FILENAME_EXCED_RANGE)
 565           {
 566             WCHAR *pEnd, *pSlash, szTemp[MAX_PATH + 1];  /* extra for PathAddBackslash() */
 567
 568             lstrcpynW(szTemp, path, MAX_PATH);
 569             pEnd = PathAddBackslashW(szTemp);
 570             pSlash = szTemp + 3;
 571
 572             while (*pSlash)
 573             {
 574               while (*pSlash && *pSlash != '\\')
 575                 pSlash = CharNextW(pSlash);
 576
 577               if (*pSlash)
 578               {
 579                 *pSlash = 0;    /* terminate path at separator */
 580
 581                 ret = SHNotifyCreateDirectoryW(szTemp, pSlash + 1 == pEnd ? sec : NULL);
 582               }
 583               *pSlash++ = '\\'; /* put the separator back */
 584             }
 585           }
 586
 587           if (ret && hWnd && (ERROR_CANCELLED != ret))
 588           {
 589             /* We failed and should show a dialog box */
 590             FIXME("Show system error message, creating path %s, failed with error %d\n", debugstr_w(path), ret);
 591             ret = ERROR_CANCELLED; /* Error has been already presented to user (not really yet!) */
 592           }
 593         }
 594         return ret;
 595 }
 596
 597 /*************************************************************************
 598  * SHFindAttrW      [internal]
 599  *
 600  * Get the Attributes for a file or directory. The difference to GetAttributes()
 601  * is that this function will also work for paths containing wildcard characters
 602  * in its filename.
 603
 604  * PARAMS
 605  *  path       [I]   path of directory or file to check
 606  *  fileOnly   [I]   TRUE if only files should be found
 607  *
 608  * RETURNS
 609  *  INVALID_FILE_ATTRIBUTES if the path does not exist, the actual attributes of
 610  *  the first file or directory found otherwise
 611  */
 612 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly)
 613 {
 614         WIN32_FIND_DATAW wfd;
 615         BOOL b_FileMask = fileOnly && (NULL != StrPBrkW(pName, wWildcardChars));
 616         DWORD dwAttr = INVALID_FILE_ATTRIBUTES;
 617         HANDLE hFind = FindFirstFileW(pName, &wfd);
 618
 619         TRACE("%s %d\n", debugstr_w(pName), fileOnly);
 620         if (INVALID_HANDLE_VALUE != hFind)
 621         {
 622           do
 623           {
 624             if (b_FileMask && IsAttribDir(wfd.dwFileAttributes))
 625                continue;
 626             dwAttr = wfd.dwFileAttributes;
 627             break;
 628           }
 629           while (FindNextFileW(hFind, &wfd));
 630           FindClose(hFind);
 631         }
 632         return dwAttr;
 633 }
 634
 635 /*************************************************************************
 636  *
 637  * SHNameTranslate HelperFunction for SHFileOperationA
 638  *
 639  * Translates a list of 0 terminated ASCII strings into Unicode. If *wString
 640  * is NULL, only the necessary size of the string is determined and returned,
 641  * otherwise the ASCII strings are copied into it and the buffer is increased
 642  * to point to the location after the final 0 termination char.
 643  */
 644 DWORD SHNameTranslate(LPWSTR* wString, LPCWSTR* pWToFrom, BOOL more)
 645 {
 646         DWORD size = 0, aSize = 0;
 647         LPCSTR aString = (LPCSTR)*pWToFrom;
 648
 649         if (aString)
 650         {
 651           do
 652           {
 653             size = lstrlenA(aString) + 1;
 654             aSize += size;
 655             aString += size;
 656           } while ((size != 1) && more);
 657           /* The two sizes might be different in the case of multibyte chars */
 658           size = MultiByteToWideChar(CP_ACP, 0, aString, aSize, *wString, 0);
 659           if (*wString) /* only in the second loop */
 660           {
 661             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, size);
 662             *pWToFrom = *wString;
 663             *wString += size;
 664           }
 665         }
 666         return size;
 667 }
 668 /*************************************************************************
 669  * SHFileOperationA          [SHELL32.@]
 670  *
 671  * Function to copy, move, delete and create one or more files with optional
 672  * user prompts.
 673  *
 674  * PARAMS
 675  *  lpFileOp   [I/O] pointer to a structure containing all the necessary information
 676  *
 677  * RETURNS
 678  *  Success: ERROR_SUCCESS.
 679  *  Failure: ERROR_CANCELLED.
 680  *
 681  * NOTES
 682  *  exported by name
 683  */
 684 int WINAPI SHFileOperationA(LPSHFILEOPSTRUCTA lpFileOp)
 685 {
 686         SHFILEOPSTRUCTW nFileOp = *((LPSHFILEOPSTRUCTW)lpFileOp);
 687         int retCode = 0;
 688         DWORD size;
 689         LPWSTR ForFree = NULL, /* we change wString in SHNameTranslate and can't use it for freeing */
 690                wString = NULL; /* we change this in SHNameTranslate */
 691
 692         TRACE("\n");
 693         if (FO_DELETE == (nFileOp.wFunc & FO_MASK))
 694           nFileOp.pTo = NULL; /* we need a NULL or a valid pointer for translation */
 695         if (!(nFileOp.fFlags & FOF_SIMPLEPROGRESS))
 696           nFileOp.lpszProgressTitle = NULL; /* we need a NULL or a valid pointer for translation */
 697         while (1) /* every loop calculate size, second translate also, if we have storage for this */
 698         {
 699           size = SHNameTranslate(&wString, &nFileOp.lpszProgressTitle, FALSE); /* no loop */
 700           size += SHNameTranslate(&wString, &nFileOp.pFrom, TRUE); /* internal loop */
 701           size += SHNameTranslate(&wString, &nFileOp.pTo, TRUE); /* internal loop */
 702
 703           if (ForFree)
 704           {
 705             retCode = SHFileOperationW(&nFileOp);
 706             HeapFree(GetProcessHeap(), 0, ForFree); /* we cannot use wString, it was changed */
 707             break;
 708           }
 709           else
 710           {
 711             wString = ForFree = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
 712             if (ForFree) continue;
 713             retCode = ERROR_OUTOFMEMORY;
 714             nFileOp.fAnyOperationsAborted = TRUE;
 715             SetLastError(retCode);
 716             return retCode;
 717           }
 718         }
 719
 720         lpFileOp->hNameMappings = nFileOp.hNameMappings;
 721         lpFileOp->fAnyOperationsAborted = nFileOp.fAnyOperationsAborted;
 722         return retCode;
 723 }
 724
 725 #define ERROR_SHELL_INTERNAL_FILE_NOT_FOUND 1026
 726
 727 typedef struct
 728 {
 729     DWORD attributes;
 730     LPWSTR szDirectory;
 731     LPWSTR szFilename;
 732     LPWSTR szFullPath;
 733     BOOL bFromWildcard;
 734     BOOL bFromRelative;
 735     BOOL bExists;
 736 } FILE_ENTRY;
 737
 738 typedef struct
 739 {
 740     FILE_ENTRY *feFiles;
 741     DWORD num_alloc;
 742     DWORD dwNumFiles;
 743     BOOL bAnyFromWildcard;
 744     BOOL bAnyDirectories;
 745     BOOL bAnyDontExist;
 746 } FILE_LIST;
 747
 748
 749 static inline void grow_list(FILE_LIST *list)
 750 {
 751     FILE_ENTRY *new = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, list->feFiles,
 752                                   list->num_alloc * 2 * sizeof(*new) );
 753     list->feFiles = new;
 754     list->num_alloc *= 2;
 755 }
 756
 757 /* adds a file to the FILE_ENTRY struct
 758  */
 759 static void add_file_to_entry(FILE_ENTRY *feFile, LPWSTR szFile)
 760 {
 761     DWORD dwLen = strlenW(szFile) + 1;
 762     LPWSTR ptr;
 763
 764     feFile->szFullPath = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 765     strcpyW(feFile->szFullPath, szFile);
 766
 767     ptr = StrRChrW(szFile, NULL, '\\');
 768     if (ptr)
 769     {
 770         dwLen = ptr - szFile + 1;
 771         feFile->szDirectory = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 772         lstrcpynW(feFile->szDirectory, szFile, dwLen);
 773
 774         dwLen = strlenW(feFile->szFullPath) - dwLen + 1;
 775         feFile->szFilename = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 776         strcpyW(feFile->szFilename, ptr + 1); /* skip over backslash */
 777     }
 778     feFile->bFromWildcard = FALSE;
 779 }
 780
 781 static LPWSTR wildcard_to_file(LPWSTR szWildCard, LPWSTR szFileName)
 782 {
 783     LPWSTR szFullPath, ptr;
 784     DWORD dwDirLen, dwFullLen;
 785
 786     ptr = StrRChrW(szWildCard, NULL, '\\');
 787     dwDirLen = ptr - szWildCard + 1;
 788
 789     dwFullLen = dwDirLen + strlenW(szFileName) + 1;
 790     szFullPath = HeapAlloc(GetProcessHeap(), 0, dwFullLen * sizeof(WCHAR));
 791
 792     lstrcpynW(szFullPath, szWildCard, dwDirLen + 1);
 793     strcatW(szFullPath, szFileName);
 794
 795     return szFullPath;
 796 }
 797
 798 static void parse_wildcard_files(FILE_LIST *flList, LPWSTR szFile, LPDWORD pdwListIndex)
 799 {
 800     WIN32_FIND_DATAW wfd;
 801     HANDLE hFile = FindFirstFileW(szFile, &wfd);
 802     FILE_ENTRY *file;
 803     LPWSTR szFullPath;
 804     BOOL res;
 805
 806     for (res = TRUE; res; res = FindNextFileW(hFile, &wfd))
 807     {
 808         if (IsDotDir(wfd.cFileName)) continue;
 809         if (*pdwListIndex >= flList->num_alloc) grow_list( flList );
 810         szFullPath = wildcard_to_file(szFile, wfd.cFileName);
 811         file = &flList->feFiles[(*pdwListIndex)++];
 812         add_file_to_entry(file, szFullPath);
 813         file->bFromWildcard = TRUE;
 814         file->attributes = wfd.dwFileAttributes;
 815         if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
 816         HeapFree(GetProcessHeap(), 0, szFullPath);
 817     }
 818
 819     FindClose(hFile);
 820 }
 821
 822 /* takes the null-separated file list and fills out the FILE_LIST */
 823 static HRESULT parse_file_list(FILE_LIST *flList, LPCWSTR szFiles)
 824 {
 825     LPCWSTR ptr = szFiles;
 826     WCHAR szCurFile[MAX_PATH];
 827     DWORD i = 0, dwDirLen;
 828
 829     if (!szFiles)
 830         return ERROR_INVALID_PARAMETER;
 831
 832     flList->bAnyFromWildcard = FALSE;
 833     flList->bAnyDirectories = FALSE;
 834     flList->bAnyDontExist = FALSE;
 835     flList->num_alloc = 32;
 836     flList->dwNumFiles = 0;
 837
 838     /* empty list */
 839     if (!szFiles[0])
 840         return ERROR_ACCESS_DENIED;
 841
 842     flList->feFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 843                                 flList->num_alloc * sizeof(FILE_ENTRY));
 844
 845     while (*ptr)
 846     {
 847         if (i >= flList->num_alloc) grow_list( flList );
 848
 849         /* change relative to absolute path */
 850         if (PathIsRelativeW(ptr))
 851         {
 852             dwDirLen = GetCurrentDirectoryW(MAX_PATH, szCurFile) + 1;
 853             PathCombineW(szCurFile, szCurFile, ptr);
 854             flList->feFiles[i].bFromRelative = TRUE;
 855         }
 856         else
 857         {
 858             strcpyW(szCurFile, ptr);
 859             flList->feFiles[i].bFromRelative = FALSE;
 860         }
 861
 862         /* parse wildcard files if they are in the filename */
 863         if (StrPBrkW(szCurFile, wWildcardChars))
 864         {
 865             parse_wildcard_files(flList, szCurFile, &i);
 866             flList->bAnyFromWildcard = TRUE;
 867             i--;
 868         }
 869         else
 870         {
 871             FILE_ENTRY *file = &flList->feFiles[i];
 872             add_file_to_entry(file, szCurFile);
 873             file->attributes = GetFileAttributesW( file->szFullPath );
 874             file->bExists = (file->attributes != INVALID_FILE_ATTRIBUTES);
 875             if (!file->bExists) flList->bAnyDontExist = TRUE;
 876             if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
 877         }
 878
 879         /* advance to the next string */
 880         ptr += strlenW(ptr) + 1;
 881         i++;
 882     }
 883     flList->dwNumFiles = i;
 884
 885     return S_OK;
 886 }
 887
 888 /* free the FILE_LIST */
 889 static void destroy_file_list(FILE_LIST *flList)
 890 {
 891     DWORD i;
 892
 893     if (!flList || !flList->feFiles)
 894         return;
 895
 896     for (i = 0; i < flList->dwNumFiles; i++)
 897     {
 898         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szDirectory);
 899         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFilename);
 900         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFullPath);
 901     }
 902
 903     HeapFree(GetProcessHeap(), 0, flList->feFiles);
 904 }
 905
 906 static void copy_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
 907 {
 908     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
 909     SHFILEOPSTRUCTW fileOp;
 910
 911     static const WCHAR wildCardFiles[] = {'*','.','*',0};
 912
 913     if (IsDotDir(feFrom->szFilename))
 914         return;
 915
 916     if (PathFileExistsW(szDestPath))
 917         PathCombineW(szTo, szDestPath, feFrom->szFilename);
 918     else
 919         strcpyW(szTo, szDestPath);
 920
 921     szTo[strlenW(szTo) + 1] = '\0';
 922     SHNotifyCreateDirectoryW(szTo, NULL);
 923
 924     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
 925     szFrom[strlenW(szFrom) + 1] = '\0';
 926
 927     memcpy(&fileOp, lpFileOp, sizeof(fileOp));
 928     fileOp.pFrom = szFrom;
 929     fileOp.pTo = szTo;
 930     fileOp.fFlags &= ~FOF_MULTIDESTFILES; /* we know we're copying to one dir */
 931
 932     SHFileOperationW(&fileOp);
 933 }
 934
 935 /* copy a file or directory to another directory */
 936 static void copy_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
 937 {
 938     WCHAR szDestPath[MAX_PATH];
 939
 940     if (!PathFileExistsW(feTo->szFullPath))
 941         SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
 942
 943     PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
 944
 945     if (IsAttribFile(feFrom->attributes))
 946         SHNotifyCopyFileW(feFrom->szFullPath, szDestPath, FALSE);
 947     else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
 948         copy_dir_to_dir(lpFileOp, feFrom, szDestPath);
 949 }
 950
 951 static void create_dest_dirs(LPWSTR szDestDir)
 952 {
 953     WCHAR dir[MAX_PATH];
 954     LPWSTR ptr = StrChrW(szDestDir, '\\');
 955
 956     /* make sure all directories up to last one are created */
 957     while (ptr && (ptr = StrChrW(ptr + 1, '\\')))
 958     {
 959         lstrcpynW(dir, szDestDir, ptr - szDestDir + 1);
 960
 961         if (!PathFileExistsW(dir))
 962             SHNotifyCreateDirectoryW(dir, NULL);
 963     }
 964
 965     /* create last directory */
 966     if (!PathFileExistsW(szDestDir))
 967         SHNotifyCreateDirectoryW(szDestDir, NULL);
 968 }
 969
 970 /* the FO_COPY operation */
 971 static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
 972 {
 973     DWORD i;
 974     FILE_ENTRY *entryToCopy;
 975     FILE_ENTRY *fileDest = &flTo->feFiles[0];
 976     BOOL bCancelIfAnyDirectories = FALSE;
 977
 978     if (flFrom->bAnyDontExist)
 979         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
 980
 981     if (lpFileOp->fFlags & FOF_MULTIDESTFILES && flFrom->bAnyFromWildcard)
 982         return ERROR_CANCELLED;
 983
 984     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) && flTo->dwNumFiles != 1)
 985         return ERROR_CANCELLED;
 986
 987     if (lpFileOp->fFlags & FOF_MULTIDESTFILES && flFrom->dwNumFiles != 1 &&
 988         flFrom->dwNumFiles != flTo->dwNumFiles)
 989     {
 990         return ERROR_CANCELLED;
 991     }
 992
 993     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 &&
 994         !PathFileExistsW(flTo->feFiles[0].szFullPath) &&
 995         IsAttribFile(fileDest->attributes))
 996     {
 997         bCancelIfAnyDirectories = TRUE;
 998     }
 999
1000     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
1001         !PathFileExistsW(fileDest->szFullPath))
1002     {
1003         lpFileOp->fAnyOperationsAborted = TRUE;
1004         return ERROR_CANCELLED;
1005     }
1006
1007     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) && flFrom->dwNumFiles != 1 &&
1008         PathFileExistsW(fileDest->szFullPath) &&
1009         IsAttribFile(fileDest->attributes))
1010     {
1011         return ERROR_CANCELLED;
1012     }
1013
1014     for (i = 0; i < flFrom->dwNumFiles; i++)
1015     {
1016         entryToCopy = &flFrom->feFiles[i];
1017
1018         if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1019             fileDest = &flTo->feFiles[i];
1020
1021         if (IsAttribDir(entryToCopy->attributes) &&
1022             !lstrcmpW(entryToCopy->szFullPath, fileDest->szDirectory))
1023         {
1024             return ERROR_SUCCESS;
1025         }
1026
1027         if (IsAttribDir(entryToCopy->attributes) && bCancelIfAnyDirectories)
1028             return ERROR_CANCELLED;
1029
1030         create_dest_dirs(fileDest->szDirectory);
1031
1032         if (!strcmpW(entryToCopy->szFullPath, fileDest->szFullPath))
1033         {
1034             if (IsAttribFile(entryToCopy->attributes))
1035                 return ERROR_NO_MORE_SEARCH_HANDLES;
1036             else
1037                 return ERROR_SUCCESS;
1038         }
1039
1040         if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
1041             (flFrom->dwNumFiles == 1 && IsAttribDir(fileDest->attributes)))
1042         {
1043             copy_to_dir(lpFileOp, entryToCopy, fileDest);
1044         }
1045         else if (IsAttribDir(entryToCopy->attributes))
1046         {
1047             copy_dir_to_dir(lpFileOp, entryToCopy, fileDest->szFullPath);
1048         }
1049         else
1050         {
1051             if (SHNotifyCopyFileW(entryToCopy->szFullPath, fileDest->szFullPath, TRUE))
1052             {
1053                 lpFileOp->fAnyOperationsAborted = TRUE;
1054                 return ERROR_CANCELLED;
1055             }
1056         }
1057     }
1058
1059     return ERROR_SUCCESS;
1060 }
1061
1062 /* the FO_DELETE operation */
1063 static HRESULT delete_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom)
1064 {
1065     FILE_ENTRY *fileEntry;
1066     DWORD i;
1067     BOOL bPathExists;
1068     BOOL bConfirm = !(lpFileOp->fFlags & FOF_NOCONFIRMATION);
1069
1070     if (!flFrom->dwNumFiles)
1071         return ERROR_SUCCESS;
1072
1073     for (i = 0; i < flFrom->dwNumFiles; i++)
1074     {
1075         bPathExists = TRUE;
1076         fileEntry = &flFrom->feFiles[i];
1077
1078         /* delete the file or directory */
1079         if (IsAttribFile(fileEntry->attributes))
1080             bPathExists = DeleteFileW(fileEntry->szFullPath);
1081         else if (!(lpFileOp->fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1082             bPathExists = SHELL_DeleteDirectoryW(fileEntry->szFullPath, bConfirm);
1083
1084         if (!bPathExists)
1085             return ERROR_PATH_NOT_FOUND;
1086     }
1087
1088     return ERROR_SUCCESS;
1089 }
1090
1091 static void move_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
1092 {
1093     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1094     SHFILEOPSTRUCTW fileOp;
1095
1096     static const WCHAR wildCardFiles[] = {'*','.','*',0};
1097
1098     if (IsDotDir(feFrom->szFilename))
1099         return;
1100
1101     SHNotifyCreateDirectoryW(szDestPath, NULL);
1102
1103     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1104     szFrom[strlenW(szFrom) + 1] = '\0';
1105
1106     strcpyW(szTo, szDestPath);
1107     szTo[strlenW(szDestPath) + 1] = '\0';
1108
1109     memcpy(&fileOp, lpFileOp, sizeof(fileOp));
1110     fileOp.pFrom = szFrom;
1111     fileOp.pTo = szTo;
1112
1113     SHFileOperationW(&fileOp);
1114 }
1115
1116 /* moves a file or directory to another directory */
1117 static void move_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
1118 {
1119     WCHAR szDestPath[MAX_PATH];
1120
1121     PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1122
1123     if (IsAttribFile(feFrom->attributes))
1124         SHNotifyMoveFileW(feFrom->szFullPath, szDestPath);
1125     else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1126         move_dir_to_dir(lpFileOp, feFrom, szDestPath);
1127 }
1128
1129 /* the FO_MOVE operation */
1130 static HRESULT move_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1131 {
1132     DWORD i;
1133     FILE_ENTRY *entryToMove;
1134     FILE_ENTRY *fileDest;
1135
1136     if (!flFrom->dwNumFiles || !flTo->dwNumFiles)
1137         return ERROR_CANCELLED;
1138
1139     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1140         flTo->dwNumFiles > 1 && flFrom->dwNumFiles > 1)
1141     {
1142         return ERROR_CANCELLED;
1143     }
1144
1145     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1146         !flFrom->bAnyDirectories &&
1147         flFrom->dwNumFiles > flTo->dwNumFiles)
1148     {
1149         return ERROR_CANCELLED;
1150     }
1151
1152     if (!PathFileExistsW(flTo->feFiles[0].szDirectory))
1153         return ERROR_CANCELLED;
1154
1155     if ((lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1156         flFrom->dwNumFiles != flTo->dwNumFiles)
1157     {
1158         return ERROR_CANCELLED;
1159     }
1160
1161     fileDest = &flTo->feFiles[0];
1162     for (i = 0; i < flFrom->dwNumFiles; i++)
1163     {
1164         entryToMove = &flFrom->feFiles[i];
1165
1166         if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1167             fileDest = &flTo->feFiles[i];
1168
1169         if (!PathFileExistsW(fileDest->szDirectory))
1170             return ERROR_CANCELLED;
1171
1172         if (fileDest->bExists && IsAttribDir(fileDest->attributes))
1173             move_to_dir(lpFileOp, entryToMove, fileDest);
1174         else
1175             SHNotifyMoveFileW(entryToMove->szFullPath, fileDest->szFullPath);
1176     }
1177
1178     return ERROR_SUCCESS;
1179 }
1180
1181 /* the FO_RENAME files */
1182 static HRESULT rename_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1183 {
1184     FILE_ENTRY *feFrom;
1185     FILE_ENTRY *feTo;
1186
1187     if (flFrom->dwNumFiles != 1)
1188         return ERROR_GEN_FAILURE;
1189
1190     if (flTo->dwNumFiles != 1)
1191         return ERROR_CANCELLED;
1192
1193     feFrom = &flFrom->feFiles[0];
1194     feTo= &flTo->feFiles[0];
1195
1196     /* fail if destination doesn't exist */
1197     if (!feFrom->bExists)
1198         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1199
1200     /* fail if destination already exists */
1201     if (feTo->bExists)
1202         return ERROR_ALREADY_EXISTS;
1203
1204     return SHNotifyMoveFileW(feFrom->szFullPath, feTo->szFullPath);
1205 }
1206
1207 /* alert the user if an unsupported flag is used */
1208 static void check_flags(FILEOP_FLAGS fFlags)
1209 {
1210     WORD wUnsupportedFlags = FOF_ALLOWUNDO | FOF_NO_CONNECTED_ELEMENTS |
1211         FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE | FOF_WANTNUKEWARNING |
1212         FOF_RENAMEONCOLLISION | FOF_WANTMAPPINGHANDLE;
1213
1214     if (fFlags & wUnsupportedFlags)
1215         FIXME("Unsupported flags: %04x\n", fFlags);
1216 }
1217
1218 /*************************************************************************
1219  * SHFileOperationW          [SHELL32.@]
1220  *
1221  * See SHFileOperationA
1222  */
1223 int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
1224 {
1225     FILE_LIST flFrom, flTo;
1226     int ret = 0;
1227
1228     if (!lpFileOp)
1229         return ERROR_INVALID_PARAMETER;
1230
1231     check_flags(lpFileOp->fFlags);
1232
1233     ZeroMemory(&flFrom, sizeof(FILE_LIST));
1234     ZeroMemory(&flTo, sizeof(FILE_LIST));
1235
1236     if ((ret = parse_file_list(&flFrom, lpFileOp->pFrom)))
1237         return ret;
1238
1239     if (lpFileOp->wFunc != FO_DELETE)
1240         parse_file_list(&flTo, lpFileOp->pTo);
1241
1242     switch (lpFileOp->wFunc)
1243     {
1244         case FO_COPY:
1245             ret = copy_files(lpFileOp, &flFrom, &flTo);
1246             break;
1247         case FO_DELETE:
1248             ret = delete_files(lpFileOp, &flFrom);
1249             break;
1250         case FO_MOVE:
1251             ret = move_files(lpFileOp, &flFrom, &flTo);
1252             break;
1253         case FO_RENAME:
1254             ret = rename_files(lpFileOp, &flFrom, &flTo);
1255             break;
1256         default:
1257             ret = ERROR_INVALID_PARAMETER;
1258             break;
1259     }
1260
1261     destroy_file_list(&flFrom);
1262
1263     if (lpFileOp->wFunc != FO_DELETE)
1264         destroy_file_list(&flTo);
1265
1266     if (ret == ERROR_CANCELLED)
1267         lpFileOp->fAnyOperationsAborted = TRUE;
1268
1269     return ret;
1270 }
1271
1272 #define SHDSA_GetItemCount(hdsa) (*(int*)(hdsa))
1273
1274 /*************************************************************************
1275  * SHFreeNameMappings      [shell32.246]
1276  *
1277  * Free the mapping handle returned by SHFileoperation if FOF_WANTSMAPPINGHANDLE
1278  * was specified.
1279  *
1280  * PARAMS
1281  *  hNameMapping [I] handle to the name mappings used during renaming of files
1282  *
1283  * RETURNS
1284  *  Nothing
1285  */
1286 void WINAPI SHFreeNameMappings(HANDLE hNameMapping)
1287 {
1288         if (hNameMapping)
1289         {
1290           int i = SHDSA_GetItemCount((HDSA)hNameMapping) - 1;
1291
1292           for (; i>= 0; i--)
1293           {
1294             LPSHNAMEMAPPINGW lp = DSA_GetItemPtr((HDSA)hNameMapping, i);
1295
1296             SHFree(lp->pszOldPath);
1297             SHFree(lp->pszNewPath);
1298           }
1299           DSA_Destroy((HDSA)hNameMapping);
1300         }
1301 }
1302
1303 /*************************************************************************
1304  * SheGetDirA [SHELL32.@]
1305  *
1306  */
1307 HRESULT WINAPI SheGetDirA(LPSTR u, LPSTR v)
1308 {   FIXME("%p %p stub\n",u,v);
1309     return 0;
1310 }
1311
1312 /*************************************************************************
1313  * SheGetDirW [SHELL32.@]
1314  *
1315  */
1316 HRESULT WINAPI SheGetDirW(LPWSTR u, LPWSTR v)
1317 {       FIXME("%p %p stub\n",u,v);
1318         return 0;
1319 }
1320
1321 /*************************************************************************
1322  * SheChangeDirA [SHELL32.@]
1323  *
1324  */
1325 HRESULT WINAPI SheChangeDirA(LPSTR u)
1326 {   FIXME("(%s),stub\n",debugstr_a(u));
1327     return 0;
1328 }
1329
1330 /*************************************************************************
1331  * SheChangeDirW [SHELL32.@]
1332  *
1333  */
1334 HRESULT WINAPI SheChangeDirW(LPWSTR u)
1335 {       FIXME("(%s),stub\n",debugstr_w(u));
1336         return 0;
1337 }
1338
1339 /*************************************************************************
1340  * IsNetDrive                   [SHELL32.66]
1341  */
1342 BOOL WINAPI IsNetDrive(DWORD drive)
1343 {
1344         char root[4];
1345         strcpy(root, "A:\\");
1346         root[0] += (char)drive;
1347         return (GetDriveTypeA(root) == DRIVE_REMOTE);
1348 }
1349
1350
1351 /*************************************************************************
1352  * RealDriveType                [SHELL32.524]
1353  */
1354 INT WINAPI RealDriveType(INT drive, BOOL bQueryNet)
1355 {
1356     char root[] = "A:\\";
1357     root[0] += (char)drive;
1358     return GetDriveTypeA(root);
1359 }