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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 BOOL SHELL_DeleteDirectoryW(LPCWSTR path, BOOL bShowUI);
  59 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec);
  60 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
  61 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path);
  62 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path);
  63 static DWORD SHNotifyDeleteFileA(LPCSTR path);
  64 static DWORD SHNotifyDeleteFileW(LPCWSTR path);
  65 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest);
  66 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
  67 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
  68
  69 typedef struct
  70 {
  71         UINT caption_resource_id, text_resource_id;
  72 } SHELL_ConfirmIDstruc;
  73
  74 static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
  75 {
  76         switch (nKindOfDialog) {
  77           case ASK_DELETE_FILE:
  78             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
  79             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
  80             return TRUE;
  81           case ASK_DELETE_FOLDER:
  82             ids->caption_resource_id  = IDS_DELETEFOLDER_CAPTION;
  83             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
  84             return TRUE;
  85           case ASK_DELETE_MULTIPLE_ITEM:
  86             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
  87             ids->text_resource_id  = IDS_DELETEMULTIPLE_TEXT;
  88             return TRUE;
  89           case ASK_OVERWRITE_FILE:
  90             ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
  91             ids->text_resource_id  = IDS_OVERWRITEFILE_TEXT;
  92             return TRUE;
  93           default:
  94             FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
  95         }
  96         return FALSE;
  97 }
  98
  99 BOOL SHELL_ConfirmDialog(int nKindOfDialog, LPCSTR szDir)
 100 {
 101         CHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 102         SHELL_ConfirmIDstruc ids;
 103
 104         if (!SHELL_ConfirmIDs(nKindOfDialog, &ids))
 105           return FALSE;
 106
 107         LoadStringA(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption));
 108         LoadStringA(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText));
 109
 110         FormatMessageA(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
 111                        szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)&szDir);
 112
 113         return (IDOK == MessageBoxA(GetActiveWindow(), szBuffer, szCaption, MB_OKCANCEL | MB_ICONEXCLAMATION));
 114 }
 115
 116 BOOL SHELL_ConfirmDialogW(int nKindOfDialog, LPCWSTR szDir)
 117 {
 118         WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 119         SHELL_ConfirmIDstruc ids;
 120
 121         if (!SHELL_ConfirmIDs(nKindOfDialog, &ids))
 122           return FALSE;
 123
 124         LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption));
 125         LoadStringW(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText));
 126
 127         FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
 128                        szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)&szDir);
 129
 130         return (IDOK == MessageBoxW(GetActiveWindow(), szBuffer, szCaption, MB_OKCANCEL | MB_ICONEXCLAMATION));
 131 }
 132
 133 static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
 134 {
 135         DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
 136
 137         if (len < minChars)
 138           len = minChars;
 139
 140         *wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 141         if (*wPath)
 142         {
 143           MultiByteToWideChar(CP_ACP, 0, aPath, -1, *wPath, len);
 144           return NO_ERROR;
 145         }
 146         return E_OUTOFMEMORY;
 147 }
 148
 149 static void SHELL32_FreeUnicodeBuf(LPWSTR wPath)
 150 {
 151         HeapFree(GetProcessHeap(), 0, wPath);
 152 }
 153
 154 /**************************************************************************
 155  * SHELL_DeleteDirectory()  [internal]
 156  *
 157  * Asks for confirmation when bShowUI is true and deletes the directory and
 158  * all its subdirectories and files if necessary.
 159  */
 160 BOOL SHELL_DeleteDirectoryA(LPCSTR pszDir, BOOL bShowUI)
 161 {
 162         LPWSTR wPath;
 163         BOOL ret = FALSE;
 164
 165         if (!SHELL32_AnsiToUnicodeBuf(pszDir, &wPath, 0))
 166         {
 167           ret = SHELL_DeleteDirectoryW(wPath, bShowUI);
 168           SHELL32_FreeUnicodeBuf(wPath);
 169         }
 170         return ret;
 171 }
 172
 173 static BOOL SHELL_DeleteDirectoryW(LPCWSTR pszDir, BOOL bShowUI)
 174 {
 175         BOOL    ret = TRUE;
 176         HANDLE  hFind;
 177         WIN32_FIND_DATAW wfd;
 178         WCHAR   szTemp[MAX_PATH];
 179
 180         /* Make sure the directory exists before eventually prompting the user */
 181         PathCombineW(szTemp, pszDir, wWildcardFile);
 182         hFind = FindFirstFileW(szTemp, &wfd);
 183         if (hFind == INVALID_HANDLE_VALUE)
 184           return FALSE;
 185
 186         if (!bShowUI || (ret = SHELL_ConfirmDialogW(ASK_DELETE_FOLDER, pszDir)))
 187         {
 188           do
 189           {
 190             LPWSTR lp = wfd.cAlternateFileName;
 191             if (!lp[0])
 192               lp = wfd.cFileName;
 193             if (IsDotDir(lp))
 194               continue;
 195             PathCombineW(szTemp, pszDir, lp);
 196             if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
 197               ret = SHELL_DeleteDirectoryW(szTemp, FALSE);
 198             else
 199               ret = (SHNotifyDeleteFileW(szTemp) == ERROR_SUCCESS);
 200           } while (ret && FindNextFileW(hFind, &wfd));
 201         }
 202         FindClose(hFind);
 203         if (ret)
 204           ret = (SHNotifyRemoveDirectoryW(pszDir) == ERROR_SUCCESS);
 205         return ret;
 206 }
 207
 208 /**************************************************************************
 209  *  SHELL_DeleteFileA()      [internal]
 210  */
 211 BOOL SHELL_DeleteFileA(LPCSTR pszFile, BOOL bShowUI)
 212 {
 213         if (bShowUI && !SHELL_ConfirmDialog(ASK_DELETE_FILE, pszFile))
 214           return FALSE;
 215
 216         return (SHNotifyDeleteFileA(pszFile) == ERROR_SUCCESS);
 217 }
 218
 219 BOOL SHELL_DeleteFileW(LPCWSTR pszFile, BOOL bShowUI)
 220 {
 221         if (bShowUI && !SHELL_ConfirmDialogW(ASK_DELETE_FILE, pszFile))
 222           return FALSE;
 223
 224         return (SHNotifyDeleteFileW(pszFile) == ERROR_SUCCESS);
 225 }
 226
 227 /**************************************************************************
 228  * Win32CreateDirectory      [SHELL32.93]
 229  *
 230  * Creates a directory. Also triggers a change notify if one exists.
 231  *
 232  * PARAMS
 233  *  path       [I]   path to directory to create
 234  *
 235  * RETURNS
 236  *  TRUE if successful, FALSE otherwise
 237  *
 238  * NOTES
 239  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 240  *  This is Unicode on NT/2000
 241  */
 242 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 243 {
 244         LPWSTR wPath;
 245         DWORD retCode;
 246
 247         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 248
 249         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 250         if (!retCode)
 251         {
 252           retCode = SHNotifyCreateDirectoryW(wPath, sec);
 253           SHELL32_FreeUnicodeBuf(wPath);
 254         }
 255         return retCode;
 256 }
 257
 258 /**********************************************************************/
 259
 260 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 261 {
 262         TRACE("(%s, %p)\n", debugstr_w(path), sec);
 263
 264         if (CreateDirectoryW(path, sec))
 265         {
 266           SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
 267           return ERROR_SUCCESS;
 268         }
 269         return GetLastError();
 270 }
 271
 272 /**********************************************************************/
 273
 274 BOOL WINAPI Win32CreateDirectoryAW(LPCVOID path, LPSECURITY_ATTRIBUTES sec)
 275 {
 276         if (SHELL_OsIsUnicode())
 277           return (SHNotifyCreateDirectoryW(path, sec) == ERROR_SUCCESS);
 278         return (SHNotifyCreateDirectoryA(path, sec) == ERROR_SUCCESS);
 279 }
 280
 281 /************************************************************************
 282  * Win32RemoveDirectory      [SHELL32.94]
 283  *
 284  * Deletes a directory. Also triggers a change notify if one exists.
 285  *
 286  * PARAMS
 287  *  path       [I]   path to directory to delete
 288  *
 289  * RETURNS
 290  *  TRUE if successful, FALSE otherwise
 291  *
 292  * NOTES
 293  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 294  *  This is Unicode on NT/2000
 295  */
 296 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path)
 297 {
 298         LPWSTR wPath;
 299         DWORD retCode;
 300
 301         TRACE("(%s)\n", debugstr_a(path));
 302
 303         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 304         if (!retCode)
 305         {
 306           retCode = SHNotifyRemoveDirectoryW(wPath);
 307           SHELL32_FreeUnicodeBuf(wPath);
 308         }
 309         return retCode;
 310 }
 311
 312 /***********************************************************************/
 313
 314 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
 315 {
 316         BOOL ret;
 317         TRACE("(%s)\n", debugstr_w(path));
 318
 319         ret = RemoveDirectoryW(path);
 320         if (!ret)
 321         {
 322           /* Directory may be write protected */
 323           DWORD dwAttr = GetFileAttributesW(path);
 324           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
 325             if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
 326               ret = RemoveDirectoryW(path);
 327         }
 328         if (ret)
 329         {
 330           SHChangeNotify(SHCNE_RMDIR, SHCNF_PATHW, path, NULL);
 331           return ERROR_SUCCESS;
 332         }
 333         return GetLastError();
 334 }
 335
 336 /***********************************************************************/
 337
 338 BOOL WINAPI Win32RemoveDirectoryAW(LPCVOID path)
 339 {
 340         if (SHELL_OsIsUnicode())
 341           return (SHNotifyRemoveDirectoryW(path) == ERROR_SUCCESS);
 342         return (SHNotifyRemoveDirectoryA(path) == ERROR_SUCCESS);
 343 }
 344
 345 /************************************************************************
 346  * Win32DeleteFile           [SHELL32.164]
 347  *
 348  * Deletes a file. Also triggers a change notify if one exists.
 349  *
 350  * PARAMS
 351  *  path       [I]   path to file to delete
 352  *
 353  * RETURNS
 354  *  TRUE if successful, FALSE otherwise
 355  *
 356  * NOTES
 357  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 358  *  This is Unicode on NT/2000
 359  */
 360 static DWORD SHNotifyDeleteFileA(LPCSTR path)
 361 {
 362         LPWSTR wPath;
 363         DWORD retCode;
 364
 365         TRACE("(%s)\n", debugstr_a(path));
 366
 367         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 368         if (!retCode)
 369         {
 370           retCode = SHNotifyDeleteFileW(wPath);
 371           SHELL32_FreeUnicodeBuf(wPath);
 372         }
 373         return retCode;
 374 }
 375
 376 /***********************************************************************/
 377
 378 static DWORD SHNotifyDeleteFileW(LPCWSTR path)
 379 {
 380         BOOL ret;
 381
 382         TRACE("(%s)\n", debugstr_w(path));
 383
 384         ret = DeleteFileW(path);
 385         if (!ret)
 386         {
 387           /* File may be write protected or a system file */
 388           DWORD dwAttr = GetFileAttributesW(path);
 389           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 390             if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 391               ret = DeleteFileW(path);
 392         }
 393         if (ret)
 394         {
 395           SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, path, NULL);
 396           return ERROR_SUCCESS;
 397         }
 398         return GetLastError();
 399 }
 400
 401 /***********************************************************************/
 402
 403 DWORD WINAPI Win32DeleteFileAW(LPCVOID path)
 404 {
 405         if (SHELL_OsIsUnicode())
 406           return (SHNotifyDeleteFileW(path) == ERROR_SUCCESS);
 407         return (SHNotifyDeleteFileA(path) == ERROR_SUCCESS);
 408 }
 409
 410 /************************************************************************
 411  * SHNotifyMoveFile          [internal]
 412  *
 413  * Moves a file. Also triggers a change notify if one exists.
 414  *
 415  * PARAMS
 416  *  src        [I]   path to source file to move
 417  *  dest       [I]   path to target file to move to
 418  *
 419  * RETURNS
 420  *  ERORR_SUCCESS if successful
 421  */
 422 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest)
 423 {
 424         BOOL ret;
 425
 426         TRACE("(%s %s)\n", debugstr_w(src), debugstr_w(dest));
 427
 428         ret = MoveFileExW(src, dest, MOVEFILE_REPLACE_EXISTING);
 429
 430         /* MOVEFILE_REPLACE_EXISTING fails with dirs, so try MoveFile */
 431         if (!ret)
 432             ret = MoveFileW(src, dest);
 433
 434         if (!ret)
 435         {
 436           DWORD dwAttr;
 437
 438           dwAttr = SHFindAttrW(dest, FALSE);
 439           if (INVALID_FILE_ATTRIBUTES == dwAttr)
 440           {
 441             /* Source file may be write protected or a system file */
 442             dwAttr = GetFileAttributesW(src);
 443             if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 444               if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 445                 ret = MoveFileW(src, dest);
 446           }
 447         }
 448         if (ret)
 449         {
 450           SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_PATHW, src, dest);
 451           return ERROR_SUCCESS;
 452         }
 453         return GetLastError();
 454 }
 455
 456 /************************************************************************
 457  * SHNotifyCopyFile          [internal]
 458  *
 459  * Copies a file. Also triggers a change notify if one exists.
 460  *
 461  * PARAMS
 462  *  src           [I]   path to source file to move
 463  *  dest          [I]   path to target file to move to
 464  *  bFailIfExists [I]   if TRUE, the target file will not be overwritten if
 465  *                      a file with this name already exists
 466  *
 467  * RETURNS
 468  *  ERROR_SUCCESS if successful
 469  */
 470 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists)
 471 {
 472         BOOL ret;
 473
 474         TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bFailIfExists ? "failIfExists" : "");
 475
 476         ret = CopyFileW(src, dest, bFailIfExists);
 477         if (ret)
 478         {
 479           SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
 480           return ERROR_SUCCESS;
 481         }
 482
 483         return GetLastError();
 484 }
 485
 486 /*************************************************************************
 487  * SHCreateDirectory         [SHELL32.165]
 488  *
 489  * This function creates a file system folder whose fully qualified path is
 490  * given by path. If one or more of the intermediate folders do not exist,
 491  * they will be created as well.
 492  *
 493  * PARAMS
 494  *  hWnd       [I]
 495  *  path       [I]   path of directory to create
 496  *
 497  * RETURNS
 498  *  ERRROR_SUCCESS or one of the following values:
 499  *  ERROR_BAD_PATHNAME if the path is relative
 500  *  ERROR_FILE_EXISTS when a file with that name exists
 501  *  ERROR_PATH_NOT_FOUND can't find the path, probably invalid
 502  *  ERROR_INVLID_NAME if the path contains invalid chars
 503  *  ERROR_ALREADY_EXISTS when the directory already exists
 504  *  ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
 505  *
 506  * NOTES
 507  *  exported by ordinal
 508  *  Win9x exports ANSI
 509  *  WinNT/2000 exports Unicode
 510  */
 511 DWORD WINAPI SHCreateDirectory(HWND hWnd, LPCVOID path)
 512 {
 513         if (SHELL_OsIsUnicode())
 514           return SHCreateDirectoryExW(hWnd, path, NULL);
 515         return SHCreateDirectoryExA(hWnd, path, NULL);
 516 }
 517
 518 /*************************************************************************
 519  * SHCreateDirectoryExA      [SHELL32.@]
 520  *
 521  * This function creates a file system folder whose fully qualified path is
 522  * given by path. If one or more of the intermediate folders do not exist,
 523  * they will be created as well.
 524  *
 525  * PARAMS
 526  *  hWnd       [I]
 527  *  path       [I]   path of directory to create
 528  *  sec        [I]   security attributes to use or NULL
 529  *
 530  * RETURNS
 531  *  ERRROR_SUCCESS or one of the following values:
 532  *  ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
 533  *  ERROR_INVLID_NAME if the path contains invalid chars
 534  *  ERROR_FILE_EXISTS when a file with that name exists
 535  *  ERROR_ALREADY_EXISTS when the directory already exists
 536  *  ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
 537  *
 538  *  FIXME: Not implemented yet;
 539  *  SHCreateDirectoryEx also verifies that the files in the directory will be visible
 540  *  if the path is a network path to deal with network drivers which might have a limited
 541  *  but unknown maximum path length. If not:
 542  *
 543  *  If hWnd is set to a valid window handle, a message box is displayed warning
 544  *  the user that the files may not be accessible. If the user chooses not to
 545  *  proceed, the function returns ERROR_CANCELLED.
 546  *
 547  *  If hWnd is set to NULL, no user interface is displayed and the function
 548  *  returns ERROR_CANCELLED.
 549  */
 550 int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 551 {
 552         LPWSTR wPath;
 553         DWORD retCode;
 554
 555         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 556
 557         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 558         if (!retCode)
 559         {
 560           retCode = SHCreateDirectoryExW(hWnd, wPath, sec);
 561           SHELL32_FreeUnicodeBuf(wPath);
 562         }
 563         return retCode;
 564 }
 565
 566 /*************************************************************************
 567  * SHCreateDirectoryExW      [SHELL32.@]
 568  *
 569  * See SHCreateDirectoryExA.
 570  */
 571 int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 572 {
 573         int ret = ERROR_BAD_PATHNAME;
 574         TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
 575
 576         if (PathIsRelativeW(path))
 577         {
 578           SetLastError(ret);
 579         }
 580         else
 581         {
 582           ret = SHNotifyCreateDirectoryW(path, sec);
 583           /* Refuse to work on certain error codes before trying to create directories recursively */
 584           if (ret != ERROR_FILE_EXISTS &&
 585               ret != ERROR_ALREADY_EXISTS &&
 586               ret != ERROR_FILENAME_EXCED_RANGE)
 587           {
 588             WCHAR *pEnd, *pSlash, szTemp[MAX_PATH + 1];  /* extra for PathAddBackslash() */
 589
 590             lstrcpynW(szTemp, path, MAX_PATH);
 591             pEnd = PathAddBackslashW(szTemp);
 592             pSlash = szTemp + 3;
 593
 594             while (*pSlash)
 595             {
 596               while (*pSlash && *pSlash != '\\')
 597                 pSlash = CharNextW(pSlash);
 598
 599               if (*pSlash)
 600               {
 601                 *pSlash = 0;    /* terminate path at separator */
 602
 603                 ret = SHNotifyCreateDirectoryW(szTemp, pSlash + 1 == pEnd ? sec : NULL);
 604               }
 605               *pSlash++ = '\\'; /* put the separator back */
 606             }
 607           }
 608
 609           if (ret && hWnd && (ERROR_CANCELLED != ret))
 610           {
 611             /* We failed and should show a dialog box */
 612             FIXME("Show system error message, creating path %s, failed with error %d\n", debugstr_w(path), ret);
 613             ret = ERROR_CANCELLED; /* Error has been already presented to user (not really yet!) */
 614           }
 615         }
 616         return ret;
 617 }
 618
 619 /*************************************************************************
 620  * SHFindAttrW      [internal]
 621  *
 622  * Get the Attributes for a file or directory. The difference to GetAttributes()
 623  * is that this function will also work for paths containing wildcard characters
 624  * in its filename.
 625
 626  * PARAMS
 627  *  path       [I]   path of directory or file to check
 628  *  fileOnly   [I]   TRUE if only files should be found
 629  *
 630  * RETURNS
 631  *  INVALID_FILE_ATTRIBUTES if the path does not exist, the actual attributes of
 632  *  the first file or directory found otherwise
 633  */
 634 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly)
 635 {
 636         WIN32_FIND_DATAW wfd;
 637         BOOL b_FileMask = fileOnly && (NULL != StrPBrkW(pName, wWildcardChars));
 638         DWORD dwAttr = INVALID_FILE_ATTRIBUTES;
 639         HANDLE hFind = FindFirstFileW(pName, &wfd);
 640
 641         TRACE("%s %d\n", debugstr_w(pName), fileOnly);
 642         if (INVALID_HANDLE_VALUE != hFind)
 643         {
 644           do
 645           {
 646             if (b_FileMask && IsAttribDir(wfd.dwFileAttributes))
 647                continue;
 648             dwAttr = wfd.dwFileAttributes;
 649             break;
 650           }
 651           while (FindNextFileW(hFind, &wfd));
 652           FindClose(hFind);
 653         }
 654         return dwAttr;
 655 }
 656
 657 /*************************************************************************
 658  *
 659  * SHNameTranslate HelperFunction for SHFileOperationA
 660  *
 661  * Translates a list of 0 terminated ASCII strings into Unicode. If *wString
 662  * is NULL, only the necessary size of the string is determined and returned,
 663  * otherwise the ASCII strings are copied into it and the buffer is increased
 664  * to point to the location after the final 0 termination char.
 665  */
 666 DWORD SHNameTranslate(LPWSTR* wString, LPCWSTR* pWToFrom, BOOL more)
 667 {
 668         DWORD size = 0, aSize = 0;
 669         LPCSTR aString = (LPCSTR)*pWToFrom;
 670
 671         if (aString)
 672         {
 673           do
 674           {
 675             size = lstrlenA(aString) + 1;
 676             aSize += size;
 677             aString += size;
 678           } while ((size != 1) && more);
 679           /* The two sizes might be different in the case of multibyte chars */
 680           size = MultiByteToWideChar(CP_ACP, 0, aString, aSize, *wString, 0);
 681           if (*wString) /* only in the second loop */
 682           {
 683             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, size);
 684             *pWToFrom = *wString;
 685             *wString += size;
 686           }
 687         }
 688         return size;
 689 }
 690 /*************************************************************************
 691  * SHFileOperationA          [SHELL32.@]
 692  *
 693  * Function to copy, move, delete and create one or more files with optional
 694  * user prompts.
 695  *
 696  * PARAMS
 697  *  lpFileOp   [I/O] pointer to a structure containing all the necessary information
 698  *
 699  * RETURNS
 700  *  Success: ERROR_SUCCESS.
 701  *  Failure: ERROR_CANCELLED.
 702  *
 703  * NOTES
 704  *  exported by name
 705  */
 706 int WINAPI SHFileOperationA(LPSHFILEOPSTRUCTA lpFileOp)
 707 {
 708         SHFILEOPSTRUCTW nFileOp = *((LPSHFILEOPSTRUCTW)lpFileOp);
 709         int retCode = 0;
 710         DWORD size;
 711         LPWSTR ForFree = NULL, /* we change wString in SHNameTranslate and can't use it for freeing */
 712                wString = NULL; /* we change this in SHNameTranslate */
 713
 714         TRACE("\n");
 715         if (FO_DELETE == (nFileOp.wFunc & FO_MASK))
 716           nFileOp.pTo = NULL; /* we need a NULL or a valid pointer for translation */
 717         if (!(nFileOp.fFlags & FOF_SIMPLEPROGRESS))
 718           nFileOp.lpszProgressTitle = NULL; /* we need a NULL or a valid pointer for translation */
 719         while (1) /* every loop calculate size, second translate also, if we have storage for this */
 720         {
 721           size = SHNameTranslate(&wString, &nFileOp.lpszProgressTitle, FALSE); /* no loop */
 722           size += SHNameTranslate(&wString, &nFileOp.pFrom, TRUE); /* internal loop */
 723           size += SHNameTranslate(&wString, &nFileOp.pTo, TRUE); /* internal loop */
 724
 725           if (ForFree)
 726           {
 727             retCode = SHFileOperationW(&nFileOp);
 728             HeapFree(GetProcessHeap(), 0, ForFree); /* we cannot use wString, it was changed */
 729             break;
 730           }
 731           else
 732           {
 733             wString = ForFree = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
 734             if (ForFree) continue;
 735             retCode = ERROR_OUTOFMEMORY;
 736             nFileOp.fAnyOperationsAborted = TRUE;
 737             SetLastError(retCode);
 738             return retCode;
 739           }
 740         }
 741
 742         lpFileOp->hNameMappings = nFileOp.hNameMappings;
 743         lpFileOp->fAnyOperationsAborted = nFileOp.fAnyOperationsAborted;
 744         return retCode;
 745 }
 746
 747 #define ERROR_SHELL_INTERNAL_FILE_NOT_FOUND 1026
 748
 749 typedef struct
 750 {
 751     DWORD attributes;
 752     LPWSTR szDirectory;
 753     LPWSTR szFilename;
 754     LPWSTR szFullPath;
 755     BOOL bFromWildcard;
 756     BOOL bFromRelative;
 757     BOOL bExists;
 758 } FILE_ENTRY;
 759
 760 typedef struct
 761 {
 762     FILE_ENTRY *feFiles;
 763     DWORD num_alloc;
 764     DWORD dwNumFiles;
 765     BOOL bAnyFromWildcard;
 766     BOOL bAnyDirectories;
 767     BOOL bAnyDontExist;
 768 } FILE_LIST;
 769
 770
 771 static inline void grow_list(FILE_LIST *list)
 772 {
 773     FILE_ENTRY *new = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, list->feFiles,
 774                                   list->num_alloc * 2 * sizeof(*new) );
 775     list->feFiles = new;
 776     list->num_alloc *= 2;
 777 }
 778
 779 /* adds a file to the FILE_ENTRY struct
 780  */
 781 static void add_file_to_entry(FILE_ENTRY *feFile, LPWSTR szFile)
 782 {
 783     DWORD dwLen = strlenW(szFile) + 1;
 784     LPWSTR ptr;
 785
 786     feFile->szFullPath = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 787     strcpyW(feFile->szFullPath, szFile);
 788
 789     ptr = StrRChrW(szFile, NULL, '\\');
 790     if (ptr)
 791     {
 792         dwLen = ptr - szFile + 1;
 793         feFile->szDirectory = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 794         lstrcpynW(feFile->szDirectory, szFile, dwLen);
 795
 796         dwLen = strlenW(feFile->szFullPath) - dwLen + 1;
 797         feFile->szFilename = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 798         strcpyW(feFile->szFilename, ptr + 1); /* skip over backslash */
 799     }
 800     feFile->bFromWildcard = FALSE;
 801 }
 802
 803 static LPWSTR wildcard_to_file(LPWSTR szWildCard, LPWSTR szFileName)
 804 {
 805     LPWSTR szFullPath, ptr;
 806     DWORD dwDirLen, dwFullLen;
 807
 808     ptr = StrRChrW(szWildCard, NULL, '\\');
 809     dwDirLen = ptr - szWildCard + 1;
 810
 811     dwFullLen = dwDirLen + strlenW(szFileName) + 1;
 812     szFullPath = HeapAlloc(GetProcessHeap(), 0, dwFullLen * sizeof(WCHAR));
 813
 814     lstrcpynW(szFullPath, szWildCard, dwDirLen + 1);
 815     strcatW(szFullPath, szFileName);
 816
 817     return szFullPath;
 818 }
 819
 820 static void parse_wildcard_files(FILE_LIST *flList, LPWSTR szFile, LPDWORD pdwListIndex)
 821 {
 822     WIN32_FIND_DATAW wfd;
 823     HANDLE hFile = FindFirstFileW(szFile, &wfd);
 824     FILE_ENTRY *file;
 825     LPWSTR szFullPath;
 826     BOOL res;
 827
 828     for (res = TRUE; res; res = FindNextFileW(hFile, &wfd))
 829     {
 830         if (IsDotDir(wfd.cFileName)) continue;
 831         if (*pdwListIndex >= flList->num_alloc) grow_list( flList );
 832         szFullPath = wildcard_to_file(szFile, wfd.cFileName);
 833         file = &flList->feFiles[(*pdwListIndex)++];
 834         add_file_to_entry(file, szFullPath);
 835         file->bFromWildcard = TRUE;
 836         file->attributes = wfd.dwFileAttributes;
 837         if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
 838         HeapFree(GetProcessHeap(), 0, szFullPath);
 839     }
 840
 841     FindClose(hFile);
 842 }
 843
 844 /* takes the null-separated file list and fills out the FILE_LIST */
 845 static HRESULT parse_file_list(FILE_LIST *flList, LPCWSTR szFiles)
 846 {
 847     LPCWSTR ptr = szFiles;
 848     WCHAR szCurFile[MAX_PATH];
 849     DWORD i = 0, dwDirLen;
 850
 851     if (!szFiles)
 852         return ERROR_INVALID_PARAMETER;
 853
 854     flList->bAnyFromWildcard = FALSE;
 855     flList->bAnyDirectories = FALSE;
 856     flList->bAnyDontExist = FALSE;
 857     flList->num_alloc = 32;
 858     flList->dwNumFiles = 0;
 859
 860     /* empty list */
 861     if (!szFiles[0])
 862         return ERROR_ACCESS_DENIED;
 863
 864     flList->feFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 865                                 flList->num_alloc * sizeof(FILE_ENTRY));
 866
 867     while (*ptr)
 868     {
 869         if (i >= flList->num_alloc) grow_list( flList );
 870
 871         /* change relative to absolute path */
 872         if (PathIsRelativeW(ptr))
 873         {
 874             dwDirLen = GetCurrentDirectoryW(MAX_PATH, szCurFile) + 1;
 875             PathCombineW(szCurFile, szCurFile, ptr);
 876             flList->feFiles[i].bFromRelative = TRUE;
 877         }
 878         else
 879         {
 880             strcpyW(szCurFile, ptr);
 881             flList->feFiles[i].bFromRelative = FALSE;
 882         }
 883
 884         /* parse wildcard files if they are in the filename */
 885         if (StrPBrkW(szCurFile, wWildcardChars))
 886         {
 887             parse_wildcard_files(flList, szCurFile, &i);
 888             flList->bAnyFromWildcard = TRUE;
 889             i--;
 890         }
 891         else
 892         {
 893             FILE_ENTRY *file = &flList->feFiles[i];
 894             add_file_to_entry(file, szCurFile);
 895             file->attributes = GetFileAttributesW( file->szFullPath );
 896             file->bExists = (file->attributes != INVALID_FILE_ATTRIBUTES);
 897             if (!file->bExists) flList->bAnyDontExist = TRUE;
 898             if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
 899         }
 900
 901         /* advance to the next string */
 902         ptr += strlenW(ptr) + 1;
 903         i++;
 904     }
 905     flList->dwNumFiles = i;
 906
 907     return S_OK;
 908 }
 909
 910 /* free the FILE_LIST */
 911 static void destroy_file_list(FILE_LIST *flList)
 912 {
 913     DWORD i;
 914
 915     if (!flList || !flList->feFiles)
 916         return;
 917
 918     for (i = 0; i < flList->dwNumFiles; i++)
 919     {
 920         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szDirectory);
 921         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFilename);
 922         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFullPath);
 923     }
 924
 925     HeapFree(GetProcessHeap(), 0, flList->feFiles);
 926 }
 927
 928 static void copy_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
 929 {
 930     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
 931     SHFILEOPSTRUCTW fileOp;
 932
 933     static const WCHAR wildCardFiles[] = {'*','.','*',0};
 934
 935     if (IsDotDir(feFrom->szFilename))
 936         return;
 937
 938     if (PathFileExistsW(szDestPath))
 939         PathCombineW(szTo, szDestPath, feFrom->szFilename);
 940     else
 941         strcpyW(szTo, szDestPath);
 942
 943     szTo[strlenW(szTo) + 1] = '\0';
 944     SHNotifyCreateDirectoryW(szTo, NULL);
 945
 946     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
 947     szFrom[strlenW(szFrom) + 1] = '\0';
 948
 949     memcpy(&fileOp, lpFileOp, sizeof(fileOp));
 950     fileOp.pFrom = szFrom;
 951     fileOp.pTo = szTo;
 952     fileOp.fFlags &= ~FOF_MULTIDESTFILES; /* we know we're copying to one dir */
 953
 954     SHFileOperationW(&fileOp);
 955 }
 956
 957 /* copy a file or directory to another directory */
 958 static void copy_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
 959 {
 960     WCHAR szDestPath[MAX_PATH];
 961
 962     if (!PathFileExistsW(feTo->szFullPath))
 963         SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
 964
 965     PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
 966
 967     if (IsAttribFile(feFrom->attributes))
 968         SHNotifyCopyFileW(feFrom->szFullPath, szDestPath, FALSE);
 969     else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
 970         copy_dir_to_dir(lpFileOp, feFrom, szDestPath);
 971 }
 972
 973 static void create_dest_dirs(LPWSTR szDestDir)
 974 {
 975     WCHAR dir[MAX_PATH];
 976     LPWSTR ptr = StrChrW(szDestDir, '\\');
 977
 978     /* make sure all directories up to last one are created */
 979     while (ptr && (ptr = StrChrW(ptr + 1, '\\')))
 980     {
 981         lstrcpynW(dir, szDestDir, ptr - szDestDir + 1);
 982
 983         if (!PathFileExistsW(dir))
 984             SHNotifyCreateDirectoryW(dir, NULL);
 985     }
 986
 987     /* create last directory */
 988     if (!PathFileExistsW(szDestDir))
 989         SHNotifyCreateDirectoryW(szDestDir, NULL);
 990 }
 991
 992 /* the FO_COPY operation */
 993 static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
 994 {
 995     DWORD i;
 996     FILE_ENTRY *entryToCopy;
 997     FILE_ENTRY *fileDest = &flTo->feFiles[0];
 998     BOOL bCancelIfAnyDirectories = FALSE;
 999
1000     if (flFrom->bAnyDontExist)
1001         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1002
1003     if (lpFileOp->fFlags & FOF_MULTIDESTFILES && flFrom->bAnyFromWildcard)
1004         return ERROR_CANCELLED;
1005
1006     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) && flTo->dwNumFiles != 1)
1007         return ERROR_CANCELLED;
1008
1009     if (lpFileOp->fFlags & FOF_MULTIDESTFILES && flFrom->dwNumFiles != 1 &&
1010         flFrom->dwNumFiles != flTo->dwNumFiles)
1011     {
1012         return ERROR_CANCELLED;
1013     }
1014
1015     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 &&
1016         !PathFileExistsW(flTo->feFiles[0].szFullPath) &&
1017         IsAttribFile(fileDest->attributes))
1018     {
1019         bCancelIfAnyDirectories = TRUE;
1020     }
1021
1022     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
1023         !PathFileExistsW(fileDest->szFullPath))
1024     {
1025         lpFileOp->fAnyOperationsAborted = TRUE;
1026         return ERROR_CANCELLED;
1027     }
1028
1029     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) && flFrom->dwNumFiles != 1 &&
1030         PathFileExistsW(fileDest->szFullPath) &&
1031         IsAttribFile(fileDest->attributes))
1032     {
1033         return ERROR_CANCELLED;
1034     }
1035
1036     for (i = 0; i < flFrom->dwNumFiles; i++)
1037     {
1038         entryToCopy = &flFrom->feFiles[i];
1039
1040         if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1041             fileDest = &flTo->feFiles[i];
1042
1043         if (IsAttribDir(entryToCopy->attributes) &&
1044             !lstrcmpW(entryToCopy->szFullPath, fileDest->szDirectory))
1045         {
1046             return ERROR_SUCCESS;
1047         }
1048
1049         if (IsAttribDir(entryToCopy->attributes) && bCancelIfAnyDirectories)
1050             return ERROR_CANCELLED;
1051
1052         create_dest_dirs(fileDest->szDirectory);
1053
1054         if (!strcmpW(entryToCopy->szFullPath, fileDest->szFullPath))
1055         {
1056             if (IsAttribFile(entryToCopy->attributes))
1057                 return ERROR_NO_MORE_SEARCH_HANDLES;
1058             else
1059                 return ERROR_SUCCESS;
1060         }
1061
1062         if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
1063             (flFrom->dwNumFiles == 1 && IsAttribDir(fileDest->attributes)))
1064         {
1065             copy_to_dir(lpFileOp, entryToCopy, fileDest);
1066         }
1067         else if (IsAttribDir(entryToCopy->attributes))
1068         {
1069             copy_dir_to_dir(lpFileOp, entryToCopy, fileDest->szFullPath);
1070         }
1071         else
1072         {
1073             if (SHNotifyCopyFileW(entryToCopy->szFullPath, fileDest->szFullPath, TRUE))
1074             {
1075                 lpFileOp->fAnyOperationsAborted = TRUE;
1076                 return ERROR_CANCELLED;
1077             }
1078         }
1079     }
1080
1081     return ERROR_SUCCESS;
1082 }
1083
1084 /* the FO_DELETE operation */
1085 static HRESULT delete_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom)
1086 {
1087     FILE_ENTRY *fileEntry;
1088     DWORD i;
1089     BOOL bPathExists;
1090     BOOL bConfirm = !(lpFileOp->fFlags & FOF_NOCONFIRMATION);
1091
1092     if (!flFrom->dwNumFiles)
1093         return ERROR_SUCCESS;
1094
1095     for (i = 0; i < flFrom->dwNumFiles; i++)
1096     {
1097         bPathExists = TRUE;
1098         fileEntry = &flFrom->feFiles[i];
1099
1100         /* delete the file or directory */
1101         if (IsAttribFile(fileEntry->attributes))
1102             bPathExists = DeleteFileW(fileEntry->szFullPath);
1103         else if (!(lpFileOp->fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1104             bPathExists = SHELL_DeleteDirectoryW(fileEntry->szFullPath, bConfirm);
1105
1106         if (!bPathExists)
1107             return ERROR_PATH_NOT_FOUND;
1108     }
1109
1110     return ERROR_SUCCESS;
1111 }
1112
1113 static void move_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
1114 {
1115     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1116     SHFILEOPSTRUCTW fileOp;
1117
1118     static const WCHAR wildCardFiles[] = {'*','.','*',0};
1119
1120     if (IsDotDir(feFrom->szFilename))
1121         return;
1122
1123     SHNotifyCreateDirectoryW(szDestPath, NULL);
1124
1125     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1126     szFrom[strlenW(szFrom) + 1] = '\0';
1127
1128     strcpyW(szTo, szDestPath);
1129     szTo[strlenW(szDestPath) + 1] = '\0';
1130
1131     memcpy(&fileOp, lpFileOp, sizeof(fileOp));
1132     fileOp.pFrom = szFrom;
1133     fileOp.pTo = szTo;
1134
1135     SHFileOperationW(&fileOp);
1136 }
1137
1138 /* moves a file or directory to another directory */
1139 static void move_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
1140 {
1141     WCHAR szDestPath[MAX_PATH];
1142
1143     PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1144
1145     if (IsAttribFile(feFrom->attributes))
1146         SHNotifyMoveFileW(feFrom->szFullPath, szDestPath);
1147     else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1148         move_dir_to_dir(lpFileOp, feFrom, szDestPath);
1149 }
1150
1151 /* the FO_MOVE operation */
1152 static HRESULT move_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1153 {
1154     DWORD i;
1155     FILE_ENTRY *entryToMove;
1156     FILE_ENTRY *fileDest;
1157
1158     if (!flFrom->dwNumFiles || !flTo->dwNumFiles)
1159         return ERROR_CANCELLED;
1160
1161     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1162         flTo->dwNumFiles > 1 && flFrom->dwNumFiles > 1)
1163     {
1164         return ERROR_CANCELLED;
1165     }
1166
1167     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1168         !flFrom->bAnyDirectories &&
1169         flFrom->dwNumFiles > flTo->dwNumFiles)
1170     {
1171         return ERROR_CANCELLED;
1172     }
1173
1174     if (!PathFileExistsW(flTo->feFiles[0].szDirectory))
1175         return ERROR_CANCELLED;
1176
1177     if ((lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1178         flFrom->dwNumFiles != flTo->dwNumFiles)
1179     {
1180         return ERROR_CANCELLED;
1181     }
1182
1183     fileDest = &flTo->feFiles[0];
1184     for (i = 0; i < flFrom->dwNumFiles; i++)
1185     {
1186         entryToMove = &flFrom->feFiles[i];
1187
1188         if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1189             fileDest = &flTo->feFiles[i];
1190
1191         if (!PathFileExistsW(fileDest->szDirectory))
1192             return ERROR_CANCELLED;
1193
1194         if (fileDest->bExists && IsAttribDir(fileDest->attributes))
1195             move_to_dir(lpFileOp, entryToMove, fileDest);
1196         else
1197             SHNotifyMoveFileW(entryToMove->szFullPath, fileDest->szFullPath);
1198     }
1199
1200     return ERROR_SUCCESS;
1201 }
1202
1203 /* the FO_RENAME files */
1204 static HRESULT rename_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1205 {
1206     FILE_ENTRY *feFrom;
1207     FILE_ENTRY *feTo;
1208
1209     if (flFrom->dwNumFiles != 1)
1210         return ERROR_GEN_FAILURE;
1211
1212     if (flTo->dwNumFiles != 1)
1213         return ERROR_CANCELLED;
1214
1215     feFrom = &flFrom->feFiles[0];
1216     feTo= &flTo->feFiles[0];
1217
1218     /* fail if destination doesn't exist */
1219     if (!feFrom->bExists)
1220         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1221
1222     /* fail if destination already exists */
1223     if (feTo->bExists)
1224         return ERROR_ALREADY_EXISTS;
1225
1226     return SHNotifyMoveFileW(feFrom->szFullPath, feTo->szFullPath);
1227 }
1228
1229 /* alert the user if an unsupported flag is used */
1230 static void check_flags(FILEOP_FLAGS fFlags)
1231 {
1232     WORD wUnsupportedFlags = FOF_ALLOWUNDO | FOF_NO_CONNECTED_ELEMENTS |
1233         FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE | FOF_WANTNUKEWARNING |
1234         FOF_RENAMEONCOLLISION | FOF_WANTMAPPINGHANDLE;
1235
1236     if (fFlags & wUnsupportedFlags)
1237         FIXME("Unsupported flags: %04x\n", fFlags);
1238 }
1239
1240 /*************************************************************************
1241  * SHFileOperationW          [SHELL32.@]
1242  *
1243  * See SHFileOperationA
1244  */
1245 int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
1246 {
1247     FILE_LIST flFrom, flTo;
1248     int ret = 0;
1249
1250     if (!lpFileOp)
1251         return ERROR_INVALID_PARAMETER;
1252
1253     check_flags(lpFileOp->fFlags);
1254
1255     ZeroMemory(&flFrom, sizeof(FILE_LIST));
1256     ZeroMemory(&flTo, sizeof(FILE_LIST));
1257
1258     if ((ret = parse_file_list(&flFrom, lpFileOp->pFrom)))
1259         return ret;
1260
1261     if (lpFileOp->wFunc != FO_DELETE)
1262         parse_file_list(&flTo, lpFileOp->pTo);
1263
1264     switch (lpFileOp->wFunc)
1265     {
1266         case FO_COPY:
1267             ret = copy_files(lpFileOp, &flFrom, &flTo);
1268             break;
1269         case FO_DELETE:
1270             ret = delete_files(lpFileOp, &flFrom);
1271             break;
1272         case FO_MOVE:
1273             ret = move_files(lpFileOp, &flFrom, &flTo);
1274             break;
1275         case FO_RENAME:
1276             ret = rename_files(lpFileOp, &flFrom, &flTo);
1277             break;
1278         default:
1279             ret = ERROR_INVALID_PARAMETER;
1280             break;
1281     }
1282
1283     destroy_file_list(&flFrom);
1284
1285     if (lpFileOp->wFunc != FO_DELETE)
1286         destroy_file_list(&flTo);
1287
1288     if (ret == ERROR_CANCELLED)
1289         lpFileOp->fAnyOperationsAborted = TRUE;
1290
1291     return ret;
1292 }
1293
1294 #define SHDSA_GetItemCount(hdsa) (*(int*)(hdsa))
1295
1296 /*************************************************************************
1297  * SHFreeNameMappings      [shell32.246]
1298  *
1299  * Free the mapping handle returned by SHFileoperation if FOF_WANTSMAPPINGHANDLE
1300  * was specified.
1301  *
1302  * PARAMS
1303  *  hNameMapping [I] handle to the name mappings used during renaming of files
1304  *
1305  * RETURNS
1306  *  Nothing
1307  */
1308 void WINAPI SHFreeNameMappings(HANDLE hNameMapping)
1309 {
1310         if (hNameMapping)
1311         {
1312           int i = SHDSA_GetItemCount((HDSA)hNameMapping) - 1;
1313
1314           for (; i>= 0; i--)
1315           {
1316             LPSHNAMEMAPPINGW lp = DSA_GetItemPtr((HDSA)hNameMapping, i);
1317
1318             SHFree(lp->pszOldPath);
1319             SHFree(lp->pszNewPath);
1320           }
1321           DSA_Destroy((HDSA)hNameMapping);
1322         }
1323 }
1324
1325 /*************************************************************************
1326  * SheGetDirA [SHELL32.@]
1327  *
1328  */
1329 HRESULT WINAPI SheGetDirA(LPSTR u, LPSTR v)
1330 {   FIXME("%p %p stub\n",u,v);
1331     return 0;
1332 }
1333
1334 /*************************************************************************
1335  * SheGetDirW [SHELL32.@]
1336  *
1337  */
1338 HRESULT WINAPI SheGetDirW(LPWSTR u, LPWSTR v)
1339 {       FIXME("%p %p stub\n",u,v);
1340         return 0;
1341 }
1342
1343 /*************************************************************************
1344  * SheChangeDirA [SHELL32.@]
1345  *
1346  */
1347 HRESULT WINAPI SheChangeDirA(LPSTR u)
1348 {   FIXME("(%s),stub\n",debugstr_a(u));
1349     return 0;
1350 }
1351
1352 /*************************************************************************
1353  * SheChangeDirW [SHELL32.@]
1354  *
1355  */
1356 HRESULT WINAPI SheChangeDirW(LPWSTR u)
1357 {       FIXME("(%s),stub\n",debugstr_w(u));
1358         return 0;
1359 }
1360
1361 /*************************************************************************
1362  * IsNetDrive                   [SHELL32.66]
1363  */
1364 BOOL WINAPI IsNetDrive(DWORD drive)
1365 {
1366         char root[4];
1367         strcpy(root, "A:\\");
1368         root[0] += (char)drive;
1369         return (GetDriveTypeA(root) == DRIVE_REMOTE);
1370 }
1371
1372
1373 /*************************************************************************
1374  * RealDriveType                [SHELL32.524]
1375  */
1376 INT WINAPI RealDriveType(INT drive, BOOL bQueryNet)
1377 {
1378     char root[] = "A:\\";
1379     root[0] += (char)drive;
1380     return GetDriveTypeA(root);
1381 }