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 #define COBJMACROS
  28
  29 #include <stdarg.h>
  30 #include <string.h>
  31 #include <ctype.h>
  32 #include <assert.h>
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winreg.h"
  37 #include "shellapi.h"
  38 #include "wingdi.h"
  39 #include "winuser.h"
  40 #include "shlobj.h"
  41 #include "shresdef.h"
  42 #define NO_SHLWAPI_STREAM
  43 #include "shlwapi.h"
  44 #include "shell32_main.h"
  45 #include "undocshell.h"
  46 #include "wine/debug.h"
  47 #include "xdg.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  50
  51 #define IsAttrib(x, y)  ((INVALID_FILE_ATTRIBUTES != (x)) && ((x) & (y)))
  52 #define IsAttribFile(x) (!((x) & FILE_ATTRIBUTE_DIRECTORY))
  53 #define IsAttribDir(x)  IsAttrib(x, FILE_ATTRIBUTE_DIRECTORY)
  54 #define IsDotDir(x)     ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
  55
  56 #define FO_MASK         0xF
  57
  58 #define DE_SAMEFILE      0x71
  59 #define DE_DESTSAMETREE  0x7D
  60
  61 static const WCHAR wWildcardFile[] = {'*',0};
  62 static const WCHAR wWildcardChars[] = {'*','?',0};
  63
  64 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec);
  65 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
  66 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path);
  67 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path);
  68 static DWORD SHNotifyDeleteFileA(LPCSTR path);
  69 static DWORD SHNotifyDeleteFileW(LPCWSTR path);
  70 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest);
  71 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
  72 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
  73
  74 typedef struct
  75 {
  76     SHFILEOPSTRUCTW *req;
  77     DWORD dwYesToAllMask;
  78     BOOL bManyItems;
  79     BOOL bCancelled;
  80 } FILE_OPERATION;
  81
  82 /* Confirm dialogs with an optional "Yes To All" as used in file operations confirmations
  83  */
  84 static const WCHAR CONFIRM_MSG_PROP[] = {'W','I','N','E','_','C','O','N','F','I','R','M',0};
  85
  86 struct confirm_msg_info
  87 {
  88     LPWSTR lpszText;
  89     LPWSTR lpszCaption;
  90     HICON hIcon;
  91     BOOL bYesToAll;
  92 };
  93
  94 /* as some buttons may be hidden and the dialog height may change we may need
  95  * to move the controls */
  96 static void confirm_msg_move_button(HWND hDlg, INT iId, INT *xPos, INT yOffset, BOOL bShow)
  97 {
  98     HWND hButton = GetDlgItem(hDlg, iId);
  99     RECT r;
 100
 101     if (bShow) {
 102         int width;
 103
 104         GetWindowRect(hButton, &r);
 105         MapWindowPoints( 0, hDlg, (POINT *)&r, 2 );
 106         width = r.right - r.left;
 107         SetWindowPos(hButton, 0, *xPos - width, r.top - yOffset, 0, 0,
 108                      SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
 109         *xPos -= width + 5;
 110     }
 111     else
 112         ShowWindow(hButton, SW_HIDE);
 113 }
 114
 115 /* Note: we paint the text manually and don't use the static control to make
 116  * sure the text has the same height as the one computed in WM_INITDIALOG
 117  */
 118 static INT_PTR ConfirmMsgBox_Paint(HWND hDlg)
 119 {
 120     PAINTSTRUCT ps;
 121     HFONT hOldFont;
 122     RECT r;
 123     HDC hdc;
 124
 125     BeginPaint(hDlg, &ps);
 126     hdc = ps.hdc;
 127     SetBkMode(hdc, TRANSPARENT);
 128
 129     GetClientRect(GetDlgItem(hDlg, IDD_MESSAGE), &r);
 130     /* this will remap the rect to dialog coords */
 131     MapWindowPoints(GetDlgItem(hDlg, IDD_MESSAGE), hDlg, (LPPOINT)&r, 2);
 132     hOldFont = SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDD_MESSAGE, WM_GETFONT, 0, 0));
 133     DrawTextW(hdc, GetPropW(hDlg, CONFIRM_MSG_PROP), -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK);
 134     SelectObject(hdc, hOldFont);
 135     EndPaint(hDlg, &ps);
 136     return TRUE;
 137 }
 138
 139 static INT_PTR ConfirmMsgBox_Init(HWND hDlg, LPARAM lParam)
 140 {
 141     struct confirm_msg_info *info = (struct confirm_msg_info *)lParam;
 142     INT xPos, yOffset;
 143     int width, height;
 144     HFONT hOldFont;
 145     HDC hdc;
 146     RECT r;
 147
 148     SetWindowTextW(hDlg, info->lpszCaption);
 149     ShowWindow(GetDlgItem(hDlg, IDD_MESSAGE), SW_HIDE);
 150     SetPropW(hDlg, CONFIRM_MSG_PROP, info->lpszText);
 151     SendDlgItemMessageW(hDlg, IDD_ICON, STM_SETICON, (WPARAM)info->hIcon, 0);
 152
 153     /* compute the text height and resize the dialog */
 154     GetClientRect(GetDlgItem(hDlg, IDD_MESSAGE), &r);
 155     hdc = GetDC(hDlg);
 156     yOffset = r.bottom;
 157     hOldFont = SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDD_MESSAGE, WM_GETFONT, 0, 0));
 158     DrawTextW(hdc, info->lpszText, -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK | DT_CALCRECT);
 159     SelectObject(hdc, hOldFont);
 160     yOffset -= r.bottom;
 161     yOffset = min(yOffset, 35);  /* don't make the dialog too small */
 162     ReleaseDC(hDlg, hdc);
 163
 164     GetClientRect(hDlg, &r);
 165     xPos = r.right - 7;
 166     GetWindowRect(hDlg, &r);
 167     width = r.right - r.left;
 168     height = r.bottom - r.top - yOffset;
 169     MoveWindow(hDlg, (GetSystemMetrics(SM_CXSCREEN) - width)/2,
 170         (GetSystemMetrics(SM_CYSCREEN) - height)/2, width, height, FALSE);
 171
 172     confirm_msg_move_button(hDlg, IDCANCEL,     &xPos, yOffset, info->bYesToAll);
 173     confirm_msg_move_button(hDlg, IDNO,         &xPos, yOffset, TRUE);
 174     confirm_msg_move_button(hDlg, IDD_YESTOALL, &xPos, yOffset, info->bYesToAll);
 175     confirm_msg_move_button(hDlg, IDYES,        &xPos, yOffset, TRUE);
 176     return TRUE;
 177 }
 178
 179 static INT_PTR CALLBACK ConfirmMsgBoxProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 180 {
 181     switch (uMsg)
 182     {
 183         case WM_INITDIALOG:
 184             return ConfirmMsgBox_Init(hDlg, lParam);
 185         case WM_PAINT:
 186             return ConfirmMsgBox_Paint(hDlg);
 187         case WM_COMMAND:
 188             EndDialog(hDlg, wParam);
 189             break;
 190         case WM_CLOSE:
 191             EndDialog(hDlg, IDCANCEL);
 192             break;
 193     }
 194     return FALSE;
 195 }
 196
 197 static int SHELL_ConfirmMsgBox(HWND hWnd, LPWSTR lpszText, LPWSTR lpszCaption, HICON hIcon, BOOL bYesToAll)
 198 {
 199     static const WCHAR wszTemplate[] = {'S','H','E','L','L','_','Y','E','S','T','O','A','L','L','_','M','S','G','B','O','X',0};
 200     struct confirm_msg_info info;
 201
 202     info.lpszText = lpszText;
 203     info.lpszCaption = lpszCaption;
 204     info.hIcon = hIcon;
 205     info.bYesToAll = bYesToAll;
 206     return DialogBoxParamW(shell32_hInstance, wszTemplate, hWnd, ConfirmMsgBoxProc, (LPARAM)&info);
 207 }
 208
 209 /* confirmation dialogs content */
 210 typedef struct
 211 {
 212         HINSTANCE hIconInstance;
 213         UINT icon_resource_id;
 214         UINT caption_resource_id, text_resource_id;
 215 } SHELL_ConfirmIDstruc;
 216
 217 static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
 218 {
 219         ids->hIconInstance = shell32_hInstance;
 220         switch (nKindOfDialog) {
 221           case ASK_DELETE_FILE:
 222             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 223             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 224             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
 225             return TRUE;
 226           case ASK_DELETE_FOLDER:
 227             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 228             ids->caption_resource_id  = IDS_DELETEFOLDER_CAPTION;
 229             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
 230             return TRUE;
 231           case ASK_DELETE_MULTIPLE_ITEM:
 232             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 233             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 234             ids->text_resource_id  = IDS_DELETEMULTIPLE_TEXT;
 235             return TRUE;
 236           case ASK_TRASH_FILE:
 237             ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
 238             ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
 239             ids->text_resource_id = IDS_TRASHITEM_TEXT;
 240             return TRUE;
 241           case ASK_TRASH_FOLDER:
 242             ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
 243             ids->caption_resource_id = IDS_DELETEFOLDER_CAPTION;
 244             ids->text_resource_id = IDS_TRASHFOLDER_TEXT;
 245             return TRUE;
 246           case ASK_TRASH_MULTIPLE_ITEM:
 247             ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
 248             ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
 249             ids->text_resource_id = IDS_TRASHMULTIPLE_TEXT;
 250             return TRUE;
 251           case ASK_CANT_TRASH_ITEM:
 252             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 253             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 254             ids->text_resource_id  = IDS_CANTTRASH_TEXT;
 255             return TRUE;
 256           case ASK_DELETE_SELECTED:
 257             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 258             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 259             ids->text_resource_id  = IDS_DELETESELECTED_TEXT;
 260             return TRUE;
 261           case ASK_OVERWRITE_FILE:
 262             ids->hIconInstance = NULL;
 263             ids->icon_resource_id = IDI_WARNING;
 264             ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
 265             ids->text_resource_id  = IDS_OVERWRITEFILE_TEXT;
 266             return TRUE;
 267           case ASK_OVERWRITE_FOLDER:
 268             ids->hIconInstance = NULL;
 269             ids->icon_resource_id = IDI_WARNING;
 270             ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
 271             ids->text_resource_id  = IDS_OVERWRITEFOLDER_TEXT;
 272             return TRUE;
 273           default:
 274             FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
 275         }
 276         return FALSE;
 277 }
 278
 279 static BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir, FILE_OPERATION *op)
 280 {
 281         WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 282         SHELL_ConfirmIDstruc ids;
 283         DWORD_PTR args[1];
 284         HICON hIcon;
 285         int ret;
 286
 287         assert(nKindOfDialog >= 0 && nKindOfDialog < 32);
 288         if (op && (op->dwYesToAllMask & (1 << nKindOfDialog)))
 289             return TRUE;
 290
 291         if (!SHELL_ConfirmIDs(nKindOfDialog, &ids)) return FALSE;
 292
 293         LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, ARRAY_SIZE(szCaption));
 294         LoadStringW(shell32_hInstance, ids.text_resource_id, szText, ARRAY_SIZE(szText));
 295
 296         args[0] = (DWORD_PTR)szDir;
 297         FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
 298             szText, 0, 0, szBuffer, ARRAY_SIZE(szBuffer), (__ms_va_list*)args);
 299
 300         hIcon = LoadIconW(ids.hIconInstance, (LPWSTR)MAKEINTRESOURCE(ids.icon_resource_id));
 301
 302         ret = SHELL_ConfirmMsgBox(hWnd, szBuffer, szCaption, hIcon, op && op->bManyItems);
 303         if (op) {
 304             if (ret == IDD_YESTOALL) {
 305                 op->dwYesToAllMask |= (1 << nKindOfDialog);
 306                 ret = IDYES;
 307             }
 308             if (ret == IDCANCEL)
 309                 op->bCancelled = TRUE;
 310             if (ret != IDYES)
 311                 op->req->fAnyOperationsAborted = TRUE;
 312         }
 313         return ret == IDYES;
 314 }
 315
 316 BOOL SHELL_ConfirmYesNoW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
 317 {
 318     return SHELL_ConfirmDialogW(hWnd, nKindOfDialog, szDir, NULL);
 319 }
 320
 321 static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
 322 {
 323         DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
 324
 325         if (len < minChars)
 326           len = minChars;
 327
 328         *wPath = heap_alloc(len * sizeof(WCHAR));
 329         if (*wPath)
 330         {
 331           MultiByteToWideChar(CP_ACP, 0, aPath, -1, *wPath, len);
 332           return NO_ERROR;
 333         }
 334         return E_OUTOFMEMORY;
 335 }
 336
 337 HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
 338 {
 339     FIXME("(%s, %p) stub\n", debugstr_w(path), status);
 340     return E_FAIL;
 341 }
 342
 343 /**************************************************************************
 344  * SHELL_DeleteDirectory()  [internal]
 345  *
 346  * Asks for confirmation when bShowUI is true and deletes the directory and
 347  * all its subdirectories and files if necessary.
 348  */
 349 static DWORD SHELL_DeleteDirectoryW(HWND hwnd, LPCWSTR pszDir, BOOL bShowUI)
 350 {
 351     DWORD    ret = 0;
 352     HANDLE  hFind;
 353     WIN32_FIND_DATAW wfd;
 354     WCHAR   szTemp[MAX_PATH];
 355
 356     PathCombineW(szTemp, pszDir, wWildcardFile);
 357     hFind = FindFirstFileW(szTemp, &wfd);
 358
 359     if (hFind != INVALID_HANDLE_VALUE) {
 360         if (!bShowUI || SHELL_ConfirmDialogW(hwnd, ASK_DELETE_FOLDER, pszDir, NULL)) {
 361             do {
 362                 if (IsDotDir(wfd.cFileName))
 363                     continue;
 364                 PathCombineW(szTemp, pszDir, wfd.cFileName);
 365                 if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
 366                     ret = SHELL_DeleteDirectoryW(hwnd, szTemp, FALSE);
 367                 else
 368                     ret = SHNotifyDeleteFileW(szTemp);
 369             } while (!ret && FindNextFileW(hFind, &wfd));
 370         }
 371         FindClose(hFind);
 372     }
 373     if (ret == ERROR_SUCCESS)
 374         ret = SHNotifyRemoveDirectoryW(pszDir);
 375
 376     return ret == ERROR_PATH_NOT_FOUND ?
 377         0x7C: /* DE_INVALIDFILES (legacy Windows error) */
 378         ret;
 379 }
 380
 381 /**************************************************************************
 382  * Win32CreateDirectory      [SHELL32.93]
 383  *
 384  * Creates a directory. Also triggers a change notify if one exists.
 385  *
 386  * PARAMS
 387  *  path       [I]   path to directory to create
 388  *
 389  * RETURNS
 390  *  TRUE if successful, FALSE otherwise
 391  *
 392  * NOTES
 393  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 394  *  This is Unicode on NT/2000
 395  */
 396 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 397 {
 398         LPWSTR wPath;
 399         DWORD retCode;
 400
 401         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 402
 403         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 404         if (!retCode)
 405         {
 406           retCode = SHNotifyCreateDirectoryW(wPath, sec);
 407           heap_free(wPath);
 408         }
 409         return retCode;
 410 }
 411
 412 /**********************************************************************/
 413
 414 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 415 {
 416         TRACE("(%s, %p)\n", debugstr_w(path), sec);
 417
 418         if (CreateDirectoryW(path, sec))
 419         {
 420           SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
 421           return ERROR_SUCCESS;
 422         }
 423         return GetLastError();
 424 }
 425
 426 /**********************************************************************/
 427
 428 BOOL WINAPI Win32CreateDirectoryAW(LPCVOID path, LPSECURITY_ATTRIBUTES sec)
 429 {
 430         if (SHELL_OsIsUnicode())
 431           return (SHNotifyCreateDirectoryW(path, sec) == ERROR_SUCCESS);
 432         return (SHNotifyCreateDirectoryA(path, sec) == ERROR_SUCCESS);
 433 }
 434
 435 /************************************************************************
 436  * Win32RemoveDirectory      [SHELL32.94]
 437  *
 438  * Deletes a directory. Also triggers a change notify if one exists.
 439  *
 440  * PARAMS
 441  *  path       [I]   path to directory to delete
 442  *
 443  * RETURNS
 444  *  TRUE if successful, FALSE otherwise
 445  *
 446  * NOTES
 447  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 448  *  This is Unicode on NT/2000
 449  */
 450 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path)
 451 {
 452         LPWSTR wPath;
 453         DWORD retCode;
 454
 455         TRACE("(%s)\n", debugstr_a(path));
 456
 457         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 458         if (!retCode)
 459         {
 460           retCode = SHNotifyRemoveDirectoryW(wPath);
 461           heap_free(wPath);
 462         }
 463         return retCode;
 464 }
 465
 466 /***********************************************************************/
 467
 468 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
 469 {
 470         BOOL ret;
 471         TRACE("(%s)\n", debugstr_w(path));
 472
 473         ret = RemoveDirectoryW(path);
 474         if (!ret)
 475         {
 476           /* Directory may be write protected */
 477           DWORD dwAttr = GetFileAttributesW(path);
 478           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
 479             if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
 480               ret = RemoveDirectoryW(path);
 481         }
 482         if (ret)
 483         {
 484           SHChangeNotify(SHCNE_RMDIR, SHCNF_PATHW, path, NULL);
 485           return ERROR_SUCCESS;
 486         }
 487         return GetLastError();
 488 }
 489
 490 /***********************************************************************/
 491
 492 BOOL WINAPI Win32RemoveDirectoryAW(LPCVOID path)
 493 {
 494         if (SHELL_OsIsUnicode())
 495           return (SHNotifyRemoveDirectoryW(path) == ERROR_SUCCESS);
 496         return (SHNotifyRemoveDirectoryA(path) == ERROR_SUCCESS);
 497 }
 498
 499 /************************************************************************
 500  * Win32DeleteFile           [SHELL32.164]
 501  *
 502  * Deletes a file. Also triggers a change notify if one exists.
 503  *
 504  * PARAMS
 505  *  path       [I]   path to file to delete
 506  *
 507  * RETURNS
 508  *  TRUE if successful, FALSE otherwise
 509  *
 510  * NOTES
 511  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 512  *  This is Unicode on NT/2000
 513  */
 514 static DWORD SHNotifyDeleteFileA(LPCSTR path)
 515 {
 516         LPWSTR wPath;
 517         DWORD retCode;
 518
 519         TRACE("(%s)\n", debugstr_a(path));
 520
 521         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 522         if (!retCode)
 523         {
 524           retCode = SHNotifyDeleteFileW(wPath);
 525           heap_free(wPath);
 526         }
 527         return retCode;
 528 }
 529
 530 /***********************************************************************/
 531
 532 static DWORD SHNotifyDeleteFileW(LPCWSTR path)
 533 {
 534         BOOL ret;
 535
 536         TRACE("(%s)\n", debugstr_w(path));
 537
 538         ret = DeleteFileW(path);
 539         if (!ret)
 540         {
 541           /* File may be write protected or a system file */
 542           DWORD dwAttr = GetFileAttributesW(path);
 543           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 544             if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 545               ret = DeleteFileW(path);
 546         }
 547         if (ret)
 548         {
 549           SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, path, NULL);
 550           return ERROR_SUCCESS;
 551         }
 552         return GetLastError();
 553 }
 554
 555 /***********************************************************************/
 556
 557 DWORD WINAPI Win32DeleteFileAW(LPCVOID path)
 558 {
 559         if (SHELL_OsIsUnicode())
 560           return (SHNotifyDeleteFileW(path) == ERROR_SUCCESS);
 561         return (SHNotifyDeleteFileA(path) == ERROR_SUCCESS);
 562 }
 563
 564 /************************************************************************
 565  * SHNotifyMoveFile          [internal]
 566  *
 567  * Moves a file. Also triggers a change notify if one exists.
 568  *
 569  * PARAMS
 570  *  src        [I]   path to source file to move
 571  *  dest       [I]   path to target file to move to
 572  *
 573  * RETURNS
 574  *  ERROR_SUCCESS if successful
 575  */
 576 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest)
 577 {
 578         BOOL ret;
 579
 580         TRACE("(%s %s)\n", debugstr_w(src), debugstr_w(dest));
 581
 582         ret = MoveFileExW(src, dest, MOVEFILE_REPLACE_EXISTING);
 583
 584         /* MOVEFILE_REPLACE_EXISTING fails with dirs, so try MoveFile */
 585         if (!ret)
 586             ret = MoveFileW(src, dest);
 587
 588         if (!ret)
 589         {
 590           DWORD dwAttr;
 591
 592           dwAttr = SHFindAttrW(dest, FALSE);
 593           if (INVALID_FILE_ATTRIBUTES == dwAttr)
 594           {
 595             /* Source file may be write protected or a system file */
 596             dwAttr = GetFileAttributesW(src);
 597             if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 598               if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 599                 ret = MoveFileW(src, dest);
 600           }
 601         }
 602         if (ret)
 603         {
 604           SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_PATHW, src, dest);
 605           return ERROR_SUCCESS;
 606         }
 607         return GetLastError();
 608 }
 609
 610 /************************************************************************
 611  * SHNotifyCopyFile          [internal]
 612  *
 613  * Copies a file. Also triggers a change notify if one exists.
 614  *
 615  * PARAMS
 616  *  src           [I]   path to source file to move
 617  *  dest          [I]   path to target file to move to
 618  *  bFailIfExists [I]   if TRUE, the target file will not be overwritten if
 619  *                      a file with this name already exists
 620  *
 621  * RETURNS
 622  *  ERROR_SUCCESS if successful
 623  */
 624 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists)
 625 {
 626         BOOL ret;
 627         DWORD attribs;
 628
 629         TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bFailIfExists ? "failIfExists" : "");
 630
 631         /* Destination file may already exist with read only attribute */
 632         attribs = GetFileAttributesW(dest);
 633         if (IsAttrib(attribs, FILE_ATTRIBUTE_READONLY))
 634           SetFileAttributesW(dest, attribs & ~FILE_ATTRIBUTE_READONLY);
 635
 636         ret = CopyFileW(src, dest, bFailIfExists);
 637         if (ret)
 638         {
 639           SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
 640           return ERROR_SUCCESS;
 641         }
 642
 643         return GetLastError();
 644 }
 645
 646 /*************************************************************************
 647  * SHCreateDirectory         [SHELL32.165]
 648  *
 649  * This function creates a file system folder whose fully qualified path is
 650  * given by path. If one or more of the intermediate folders do not exist,
 651  * they will be created as well.
 652  *
 653  * PARAMS
 654  *  hWnd       [I]
 655  *  path       [I]   path of directory to create
 656  *
 657  * RETURNS
 658  *  ERROR_SUCCESS or one of the following values:
 659  *  ERROR_BAD_PATHNAME if the path is relative
 660  *  ERROR_FILE_EXISTS when a file with that name exists
 661  *  ERROR_PATH_NOT_FOUND can't find the path, probably invalid
 662  *  ERROR_INVALID_NAME if the path contains invalid chars
 663  *  ERROR_ALREADY_EXISTS when the directory already exists
 664  *  ERROR_FILENAME_EXCED_RANGE if the filename was too long to process
 665  *
 666  * NOTES
 667  *  exported by ordinal
 668  *  Win9x exports ANSI
 669  *  WinNT/2000 exports Unicode
 670  */
 671 DWORD WINAPI SHCreateDirectory(HWND hWnd, LPCVOID path)
 672 {
 673         if (SHELL_OsIsUnicode())
 674           return SHCreateDirectoryExW(hWnd, path, NULL);
 675         return SHCreateDirectoryExA(hWnd, path, NULL);
 676 }
 677
 678 /*************************************************************************
 679  * SHCreateDirectoryExA      [SHELL32.@]
 680  *
 681  * This function creates a file system folder whose fully qualified path is
 682  * given by path. If one or more of the intermediate folders do not exist,
 683  * they will be created as well.
 684  *
 685  * PARAMS
 686  *  hWnd       [I]
 687  *  path       [I]   path of directory to create
 688  *  sec        [I]   security attributes to use or NULL
 689  *
 690  * RETURNS
 691  *  ERROR_SUCCESS or one of the following values:
 692  *  ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
 693  *  ERROR_INVALID_NAME if the path contains invalid chars
 694  *  ERROR_FILE_EXISTS when a file with that name exists
 695  *  ERROR_ALREADY_EXISTS when the directory already exists
 696  *  ERROR_FILENAME_EXCED_RANGE if the filename was too long to process
 697  *
 698  *  FIXME: Not implemented yet;
 699  *  SHCreateDirectoryEx also verifies that the files in the directory will be visible
 700  *  if the path is a network path to deal with network drivers which might have a limited
 701  *  but unknown maximum path length. If not:
 702  *
 703  *  If hWnd is set to a valid window handle, a message box is displayed warning
 704  *  the user that the files may not be accessible. If the user chooses not to
 705  *  proceed, the function returns ERROR_CANCELLED.
 706  *
 707  *  If hWnd is set to NULL, no user interface is displayed and the function
 708  *  returns ERROR_CANCELLED.
 709  */
 710 int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 711 {
 712         LPWSTR wPath;
 713         DWORD retCode;
 714
 715         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 716
 717         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 718         if (!retCode)
 719         {
 720           retCode = SHCreateDirectoryExW(hWnd, wPath, sec);
 721           heap_free(wPath);
 722         }
 723         return retCode;
 724 }
 725
 726 /*************************************************************************
 727  * SHCreateDirectoryExW      [SHELL32.@]
 728  *
 729  * See SHCreateDirectoryExA.
 730  */
 731 int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 732 {
 733         int ret = ERROR_BAD_PATHNAME;
 734         TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
 735
 736         if (PathIsRelativeW(path))
 737         {
 738           SetLastError(ret);
 739         }
 740         else
 741         {
 742           ret = SHNotifyCreateDirectoryW(path, sec);
 743           /* Refuse to work on certain error codes before trying to create directories recursively */
 744           if (ret != ERROR_SUCCESS &&
 745               ret != ERROR_FILE_EXISTS &&
 746               ret != ERROR_ALREADY_EXISTS &&
 747               ret != ERROR_FILENAME_EXCED_RANGE)
 748           {
 749             WCHAR *pEnd, *pSlash, szTemp[MAX_PATH + 1];  /* extra for PathAddBackslash() */
 750
 751             lstrcpynW(szTemp, path, MAX_PATH);
 752             pEnd = PathAddBackslashW(szTemp);
 753             pSlash = szTemp + 3;
 754
 755             while (*pSlash)
 756             {
 757               while (*pSlash && *pSlash != '\\') pSlash++;
 758               if (*pSlash)
 759               {
 760                 *pSlash = 0;    /* terminate path at separator */
 761
 762                 ret = SHNotifyCreateDirectoryW(szTemp, pSlash + 1 == pEnd ? sec : NULL);
 763               }
 764               *pSlash++ = '\\'; /* put the separator back */
 765             }
 766           }
 767
 768           if (ret && hWnd &&
 769               ret != ERROR_CANCELLED &&
 770               ret != ERROR_ALREADY_EXISTS)
 771           {
 772             /* We failed and should show a dialog box */
 773             FIXME("Show system error message, creating path %s, failed with error %d\n", debugstr_w(path), ret);
 774             ret = ERROR_CANCELLED; /* Error has been already presented to user (not really yet!) */
 775           }
 776         }
 777         return ret;
 778 }
 779
 780 /*************************************************************************
 781  * SHFindAttrW      [internal]
 782  *
 783  * Get the Attributes for a file or directory. The difference to GetAttributes()
 784  * is that this function will also work for paths containing wildcard characters
 785  * in its filename.
 786
 787  * PARAMS
 788  *  path       [I]   path of directory or file to check
 789  *  fileOnly   [I]   TRUE if only files should be found
 790  *
 791  * RETURNS
 792  *  INVALID_FILE_ATTRIBUTES if the path does not exist, the actual attributes of
 793  *  the first file or directory found otherwise
 794  */
 795 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly)
 796 {
 797         WIN32_FIND_DATAW wfd;
 798         BOOL b_FileMask = fileOnly && (NULL != StrPBrkW(pName, wWildcardChars));
 799         DWORD dwAttr = INVALID_FILE_ATTRIBUTES;
 800         HANDLE hFind = FindFirstFileW(pName, &wfd);
 801
 802         TRACE("%s %d\n", debugstr_w(pName), fileOnly);
 803         if (INVALID_HANDLE_VALUE != hFind)
 804         {
 805           do
 806           {
 807             if (b_FileMask && IsAttribDir(wfd.dwFileAttributes))
 808                continue;
 809             dwAttr = wfd.dwFileAttributes;
 810             break;
 811           }
 812           while (FindNextFileW(hFind, &wfd));
 813           FindClose(hFind);
 814         }
 815         return dwAttr;
 816 }
 817
 818 /*************************************************************************
 819  *
 820  * SHNameTranslate HelperFunction for SHFileOperationA
 821  *
 822  * Translates a list of 0 terminated ASCII strings into Unicode. If *wString
 823  * is NULL, only the necessary size of the string is determined and returned,
 824  * otherwise the ASCII strings are copied into it and the buffer is increased
 825  * to point to the location after the final 0 termination char.
 826  */
 827 static DWORD SHNameTranslate(LPWSTR* wString, LPCWSTR* pWToFrom, BOOL more)
 828 {
 829         DWORD size = 0, aSize = 0;
 830         LPCSTR aString = (LPCSTR)*pWToFrom;
 831
 832         if (aString)
 833         {
 834           do
 835           {
 836             size = lstrlenA(aString) + 1;
 837             aSize += size;
 838             aString += size;
 839           } while ((size != 1) && more);
 840           /* The two sizes might be different in the case of multibyte chars */
 841           size = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, 0);
 842           if (*wString) /* only in the second loop */
 843           {
 844             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, size);
 845             *pWToFrom = *wString;
 846             *wString += size;
 847           }
 848         }
 849         return size;
 850 }
 851 /*************************************************************************
 852  * SHFileOperationA          [SHELL32.@]
 853  *
 854  * Function to copy, move, delete and create one or more files with optional
 855  * user prompts.
 856  *
 857  * PARAMS
 858  *  lpFileOp   [I/O] pointer to a structure containing all the necessary information
 859  *
 860  * RETURNS
 861  *  Success: ERROR_SUCCESS.
 862  *  Failure: ERROR_CANCELLED.
 863  *
 864  * NOTES
 865  *  exported by name
 866  */
 867 int WINAPI SHFileOperationA(LPSHFILEOPSTRUCTA lpFileOp)
 868 {
 869         SHFILEOPSTRUCTW nFileOp = *((LPSHFILEOPSTRUCTW)lpFileOp);
 870         int retCode = 0;
 871         DWORD size;
 872         LPWSTR ForFree = NULL, /* we change wString in SHNameTranslate and can't use it for freeing */
 873                wString = NULL; /* we change this in SHNameTranslate */
 874
 875         TRACE("\n");
 876         if (FO_DELETE == (nFileOp.wFunc & FO_MASK))
 877           nFileOp.pTo = NULL; /* we need a NULL or a valid pointer for translation */
 878         if (!(nFileOp.fFlags & FOF_SIMPLEPROGRESS))
 879           nFileOp.lpszProgressTitle = NULL; /* we need a NULL or a valid pointer for translation */
 880         while (1) /* every loop calculate size, second translate also, if we have storage for this */
 881         {
 882           size = SHNameTranslate(&wString, &nFileOp.lpszProgressTitle, FALSE); /* no loop */
 883           size += SHNameTranslate(&wString, &nFileOp.pFrom, TRUE); /* internal loop */
 884           size += SHNameTranslate(&wString, &nFileOp.pTo, TRUE); /* internal loop */
 885
 886           if (ForFree)
 887           {
 888             retCode = SHFileOperationW(&nFileOp);
 889             /* Windows 95/98 returns S_OK for this case. */
 890             if (retCode == ERROR_ACCESS_DENIED && (GetVersion() & 0x80000000))
 891               retCode = S_OK;
 892
 893             heap_free(ForFree); /* we cannot use wString, it was changed */
 894             break;
 895           }
 896           else
 897           {
 898             wString = ForFree = heap_alloc(size * sizeof(WCHAR));
 899             if (ForFree) continue;
 900             retCode = ERROR_OUTOFMEMORY;
 901             nFileOp.fAnyOperationsAborted = TRUE;
 902             return retCode;
 903           }
 904         }
 905
 906         lpFileOp->hNameMappings = nFileOp.hNameMappings;
 907         lpFileOp->fAnyOperationsAborted = nFileOp.fAnyOperationsAborted;
 908         return retCode;
 909 }
 910
 911 #define ERROR_SHELL_INTERNAL_FILE_NOT_FOUND 1026
 912
 913 typedef struct
 914 {
 915     DWORD attributes;
 916     LPWSTR szDirectory;
 917     LPWSTR szFilename;
 918     LPWSTR szFullPath;
 919     BOOL bFromWildcard;
 920     BOOL bFromRelative;
 921     BOOL bExists;
 922 } FILE_ENTRY;
 923
 924 typedef struct
 925 {
 926     FILE_ENTRY *feFiles;
 927     DWORD num_alloc;
 928     DWORD dwNumFiles;
 929     BOOL bAnyFromWildcard;
 930     BOOL bAnyDirectories;
 931     BOOL bAnyDontExist;
 932 } FILE_LIST;
 933
 934
 935 static inline void grow_list(FILE_LIST *list)
 936 {
 937     FILE_ENTRY *new = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, list->feFiles,
 938                                   list->num_alloc * 2 * sizeof(*new) );
 939     list->feFiles = new;
 940     list->num_alloc *= 2;
 941 }
 942
 943 /* adds a file to the FILE_ENTRY struct
 944  */
 945 static void add_file_to_entry(FILE_ENTRY *feFile, LPCWSTR szFile)
 946 {
 947     DWORD dwLen = lstrlenW(szFile) + 1;
 948     LPCWSTR ptr;
 949
 950     feFile->szFullPath = heap_alloc(dwLen * sizeof(WCHAR));
 951     lstrcpyW(feFile->szFullPath, szFile);
 952
 953     ptr = StrRChrW(szFile, NULL, '\\');
 954     if (ptr)
 955     {
 956         dwLen = ptr - szFile + 1;
 957         feFile->szDirectory = heap_alloc(dwLen * sizeof(WCHAR));
 958         lstrcpynW(feFile->szDirectory, szFile, dwLen);
 959
 960         dwLen = lstrlenW(feFile->szFullPath) - dwLen + 1;
 961         feFile->szFilename = heap_alloc(dwLen * sizeof(WCHAR));
 962         lstrcpyW(feFile->szFilename, ptr + 1); /* skip over backslash */
 963     }
 964     feFile->bFromWildcard = FALSE;
 965 }
 966
 967 static LPWSTR wildcard_to_file(LPCWSTR szWildCard, LPCWSTR szFileName)
 968 {
 969     LPCWSTR ptr;
 970     LPWSTR szFullPath;
 971     DWORD dwDirLen, dwFullLen;
 972
 973     ptr = StrRChrW(szWildCard, NULL, '\\');
 974     dwDirLen = ptr - szWildCard + 1;
 975
 976     dwFullLen = dwDirLen + lstrlenW(szFileName) + 1;
 977     szFullPath = heap_alloc(dwFullLen * sizeof(WCHAR));
 978
 979     lstrcpynW(szFullPath, szWildCard, dwDirLen + 1);
 980     lstrcatW(szFullPath, szFileName);
 981
 982     return szFullPath;
 983 }
 984
 985 static void parse_wildcard_files(FILE_LIST *flList, LPCWSTR szFile, LPDWORD pdwListIndex)
 986 {
 987     WIN32_FIND_DATAW wfd;
 988     HANDLE hFile = FindFirstFileW(szFile, &wfd);
 989     FILE_ENTRY *file;
 990     LPWSTR szFullPath;
 991     BOOL res;
 992
 993     if (hFile == INVALID_HANDLE_VALUE) return;
 994
 995     for (res = TRUE; res; res = FindNextFileW(hFile, &wfd))
 996     {
 997         if (IsDotDir(wfd.cFileName)) continue;
 998         if (*pdwListIndex >= flList->num_alloc) grow_list( flList );
 999         szFullPath = wildcard_to_file(szFile, wfd.cFileName);
1000         file = &flList->feFiles[(*pdwListIndex)++];
1001         add_file_to_entry(file, szFullPath);
1002         file->bFromWildcard = TRUE;
1003         file->attributes = wfd.dwFileAttributes;
1004         if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
1005         heap_free(szFullPath);
1006     }
1007
1008     FindClose(hFile);
1009 }
1010
1011 /* takes the null-separated file list and fills out the FILE_LIST */
1012 static HRESULT parse_file_list(FILE_LIST *flList, LPCWSTR szFiles)
1013 {
1014     LPCWSTR ptr = szFiles;
1015     WCHAR szCurFile[MAX_PATH];
1016     WCHAR *p;
1017     DWORD i = 0;
1018
1019     if (!szFiles)
1020         return ERROR_INVALID_PARAMETER;
1021
1022     flList->bAnyFromWildcard = FALSE;
1023     flList->bAnyDirectories = FALSE;
1024     flList->bAnyDontExist = FALSE;
1025     flList->num_alloc = 32;
1026     flList->dwNumFiles = 0;
1027
1028     /* empty list */
1029     if (!szFiles[0])
1030         return ERROR_ACCESS_DENIED;
1031
1032     flList->feFiles = heap_alloc_zero(flList->num_alloc * sizeof(FILE_ENTRY));
1033
1034     while (*ptr)
1035     {
1036         if (i >= flList->num_alloc) grow_list( flList );
1037
1038         /* change relative to absolute path */
1039         if (PathIsRelativeW(ptr))
1040         {
1041             GetCurrentDirectoryW(MAX_PATH, szCurFile);
1042             PathCombineW(szCurFile, szCurFile, ptr);
1043             flList->feFiles[i].bFromRelative = TRUE;
1044         }
1045         else
1046         {
1047             lstrcpyW(szCurFile, ptr);
1048             flList->feFiles[i].bFromRelative = FALSE;
1049         }
1050
1051         for (p = szCurFile; *p; p++) if (*p == '/') *p = '\\';
1052
1053         /* parse wildcard files if they are in the filename */
1054         if (StrPBrkW(szCurFile, wWildcardChars))
1055         {
1056             parse_wildcard_files(flList, szCurFile, &i);
1057             flList->bAnyFromWildcard = TRUE;
1058             i--;
1059         }
1060         else
1061         {
1062             FILE_ENTRY *file = &flList->feFiles[i];
1063             add_file_to_entry(file, szCurFile);
1064             file->attributes = GetFileAttributesW( file->szFullPath );
1065             file->bExists = (file->attributes != INVALID_FILE_ATTRIBUTES);
1066             if (!file->bExists) flList->bAnyDontExist = TRUE;
1067             if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
1068         }
1069
1070         /* advance to the next string */
1071         ptr += lstrlenW(ptr) + 1;
1072         i++;
1073     }
1074     flList->dwNumFiles = i;
1075
1076     return S_OK;
1077 }
1078
1079 /* free the FILE_LIST */
1080 static void destroy_file_list(FILE_LIST *flList)
1081 {
1082     DWORD i;
1083
1084     if (!flList || !flList->feFiles)
1085         return;
1086
1087     for (i = 0; i < flList->dwNumFiles; i++)
1088     {
1089         heap_free(flList->feFiles[i].szDirectory);
1090         heap_free(flList->feFiles[i].szFilename);
1091         heap_free(flList->feFiles[i].szFullPath);
1092     }
1093
1094     heap_free(flList->feFiles);
1095 }
1096
1097 static void copy_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWSTR szDestPath)
1098 {
1099     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1100     SHFILEOPSTRUCTW fileOp;
1101
1102     static const WCHAR wildCardFiles[] = {'*','.','*',0};
1103
1104     if (IsDotDir(feFrom->szFilename))
1105         return;
1106
1107     if (PathFileExistsW(szDestPath))
1108         PathCombineW(szTo, szDestPath, feFrom->szFilename);
1109     else
1110         lstrcpyW(szTo, szDestPath);
1111
1112     if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo)) {
1113         if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FOLDER, feFrom->szFilename, op))
1114         {
1115             /* Vista returns an ERROR_CANCELLED even if user pressed "No" */
1116             if (!op->bManyItems)
1117                 op->bCancelled = TRUE;
1118             return;
1119         }
1120     }
1121
1122     szTo[lstrlenW(szTo) + 1] = '\0';
1123     SHNotifyCreateDirectoryW(szTo, NULL);
1124
1125     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1126     szFrom[lstrlenW(szFrom) + 1] = '\0';
1127
1128     fileOp = *op->req;
1129     fileOp.pFrom = szFrom;
1130     fileOp.pTo = szTo;
1131     fileOp.fFlags &= ~FOF_MULTIDESTFILES; /* we know we're copying to one dir */
1132
1133     /* Don't ask the user about overwriting files when he accepted to overwrite the
1134        folder. FIXME: this is not exactly what Windows does - e.g. there would be
1135        an additional confirmation for a nested folder */
1136     fileOp.fFlags |= FOF_NOCONFIRMATION;
1137
1138     SHFileOperationW(&fileOp);
1139 }
1140
1141 static BOOL copy_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCHAR *szTo)
1142 {
1143     if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo))
1144     {
1145         if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
1146             return FALSE;
1147     }
1148
1149     return SHNotifyCopyFileW(szFrom, szTo, FALSE) == 0;
1150 }
1151
1152 /* copy a file or directory to another directory */
1153 static void copy_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, const FILE_ENTRY *feTo)
1154 {
1155     if (!PathFileExistsW(feTo->szFullPath))
1156         SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
1157
1158     if (IsAttribFile(feFrom->attributes))
1159     {
1160         WCHAR szDestPath[MAX_PATH];
1161
1162         PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1163         copy_file_to_file(op, feFrom->szFullPath, szDestPath);
1164     }
1165     else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1166         copy_dir_to_dir(op, feFrom, feTo->szFullPath);
1167 }
1168
1169 static void create_dest_dirs(LPCWSTR szDestDir)
1170 {
1171     WCHAR dir[MAX_PATH];
1172     LPCWSTR ptr = StrChrW(szDestDir, '\\');
1173
1174     /* make sure all directories up to last one are created */
1175     while (ptr && (ptr = StrChrW(ptr + 1, '\\')))
1176     {
1177         lstrcpynW(dir, szDestDir, ptr - szDestDir + 1);
1178
1179         if (!PathFileExistsW(dir))
1180             SHNotifyCreateDirectoryW(dir, NULL);
1181     }
1182
1183     /* create last directory */
1184     if (!PathFileExistsW(szDestDir))
1185         SHNotifyCreateDirectoryW(szDestDir, NULL);
1186 }
1187
1188 /* the FO_COPY operation */
1189 static int copy_files(FILE_OPERATION *op, const FILE_LIST *flFrom, FILE_LIST *flTo)
1190 {
1191     DWORD i;
1192     const FILE_ENTRY *entryToCopy;
1193     const FILE_ENTRY *fileDest = &flTo->feFiles[0];
1194
1195     if (flFrom->bAnyDontExist)
1196         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1197
1198     if (flTo->dwNumFiles == 0)
1199     {
1200         /* If the destination is empty, SHFileOperation should use the current directory */
1201         WCHAR curdir[MAX_PATH+1];
1202
1203         GetCurrentDirectoryW(MAX_PATH, curdir);
1204         curdir[lstrlenW(curdir)+1] = 0;
1205
1206         destroy_file_list(flTo);
1207         ZeroMemory(flTo, sizeof(FILE_LIST));
1208         parse_file_list(flTo, curdir);
1209         fileDest = &flTo->feFiles[0];
1210     }
1211
1212     if (op->req->fFlags & FOF_MULTIDESTFILES && flTo->dwNumFiles > 1)
1213     {
1214         if (flFrom->bAnyFromWildcard)
1215             return ERROR_CANCELLED;
1216
1217         if (flFrom->dwNumFiles != flTo->dwNumFiles)
1218         {
1219             if (flFrom->dwNumFiles != 1 && !IsAttribDir(fileDest->attributes))
1220                 return ERROR_CANCELLED;
1221
1222             /* Free all but the first entry. */
1223             for (i = 1; i < flTo->dwNumFiles; i++)
1224             {
1225                 heap_free(flTo->feFiles[i].szDirectory);
1226                 heap_free(flTo->feFiles[i].szFilename);
1227                 heap_free(flTo->feFiles[i].szFullPath);
1228             }
1229
1230             flTo->dwNumFiles = 1;
1231         }
1232         else if (IsAttribDir(fileDest->attributes))
1233         {
1234             for (i = 1; i < flTo->dwNumFiles; i++)
1235                 if (!IsAttribDir(flTo->feFiles[i].attributes) ||
1236                     !IsAttribDir(flFrom->feFiles[i].attributes))
1237                 {
1238                     return ERROR_CANCELLED;
1239                 }
1240         }
1241     }
1242     else if (flFrom->dwNumFiles != 1)
1243     {
1244         if (flTo->dwNumFiles != 1 && !IsAttribDir(fileDest->attributes))
1245             return ERROR_CANCELLED;
1246
1247         if (PathFileExistsW(fileDest->szFullPath) &&
1248             IsAttribFile(fileDest->attributes))
1249         {
1250             return ERROR_CANCELLED;
1251         }
1252
1253         if (flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
1254             !PathFileExistsW(fileDest->szFullPath))
1255         {
1256             return ERROR_CANCELLED;
1257         }
1258     }
1259
1260     for (i = 0; i < flFrom->dwNumFiles; i++)
1261     {
1262         entryToCopy = &flFrom->feFiles[i];
1263
1264         if ((op->req->fFlags & FOF_MULTIDESTFILES) &&
1265             flTo->dwNumFiles > 1)
1266         {
1267             fileDest = &flTo->feFiles[i];
1268         }
1269
1270         if (IsAttribDir(entryToCopy->attributes) &&
1271             !lstrcmpiW(entryToCopy->szFullPath, fileDest->szDirectory))
1272         {
1273             return ERROR_SUCCESS;
1274         }
1275
1276         create_dest_dirs(fileDest->szDirectory);
1277
1278         if (!lstrcmpiW(entryToCopy->szFullPath, fileDest->szFullPath))
1279         {
1280             if (IsAttribFile(entryToCopy->attributes))
1281                 return ERROR_NO_MORE_SEARCH_HANDLES;
1282             else
1283                 return ERROR_SUCCESS;
1284         }
1285
1286         if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
1287             IsAttribDir(fileDest->attributes))
1288         {
1289             copy_to_dir(op, entryToCopy, fileDest);
1290         }
1291         else if (IsAttribDir(entryToCopy->attributes))
1292         {
1293             copy_dir_to_dir(op, entryToCopy, fileDest->szFullPath);
1294         }
1295         else
1296         {
1297             if (!copy_file_to_file(op, entryToCopy->szFullPath, fileDest->szFullPath))
1298             {
1299                 op->req->fAnyOperationsAborted = TRUE;
1300                 return ERROR_CANCELLED;
1301             }
1302         }
1303
1304         /* Vista return code. XP would return e.g. ERROR_FILE_NOT_FOUND, ERROR_ALREADY_EXISTS */
1305         if (op->bCancelled)
1306             return ERROR_CANCELLED;
1307     }
1308
1309     /* Vista return code. On XP if the used pressed "No" for the last item,
1310      * ERROR_ARENA_TRASHED would be returned */
1311     return ERROR_SUCCESS;
1312 }
1313
1314 static BOOL confirm_delete_list(HWND hWnd, DWORD fFlags, BOOL fTrash, const FILE_LIST *flFrom)
1315 {
1316     if (flFrom->dwNumFiles > 1)
1317     {
1318         static const WCHAR format[] = {'%','d',0};
1319         WCHAR tmp[8];
1320
1321         wnsprintfW(tmp, ARRAY_SIZE(tmp), format, flFrom->dwNumFiles);
1322         return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_MULTIPLE_ITEM:ASK_DELETE_MULTIPLE_ITEM), tmp, NULL);
1323     }
1324     else
1325     {
1326         const FILE_ENTRY *fileEntry = &flFrom->feFiles[0];
1327
1328         if (IsAttribFile(fileEntry->attributes))
1329             return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FILE:ASK_DELETE_FILE), fileEntry->szFullPath, NULL);
1330         else if (!(fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1331             return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FOLDER:ASK_DELETE_FOLDER), fileEntry->szFullPath, NULL);
1332     }
1333     return TRUE;
1334 }
1335
1336 /* the FO_DELETE operation */
1337 static int delete_files(LPSHFILEOPSTRUCTW lpFileOp, const FILE_LIST *flFrom)
1338 {
1339     const FILE_ENTRY *fileEntry;
1340     DWORD i;
1341     int ret;
1342     BOOL bTrash;
1343
1344     if (!flFrom->dwNumFiles)
1345         return ERROR_SUCCESS;
1346
1347     /* Windows also checks only the first item */
1348     bTrash = (lpFileOp->fFlags & FOF_ALLOWUNDO)
1349         && TRASH_CanTrashFile(flFrom->feFiles[0].szFullPath);
1350
1351     if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (!bTrash && lpFileOp->fFlags & FOF_WANTNUKEWARNING))
1352         if (!confirm_delete_list(lpFileOp->hwnd, lpFileOp->fFlags, bTrash, flFrom))
1353         {
1354             lpFileOp->fAnyOperationsAborted = TRUE;
1355             return 0;
1356         }
1357
1358     for (i = 0; i < flFrom->dwNumFiles; i++)
1359     {
1360         fileEntry = &flFrom->feFiles[i];
1361
1362         if (!IsAttribFile(fileEntry->attributes) &&
1363             (lpFileOp->fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1364             continue;
1365
1366         if (bTrash)
1367         {
1368             BOOL bDelete;
1369             if (TRASH_TrashFile(fileEntry->szFullPath))
1370                 continue;
1371
1372             /* Note: Windows silently deletes the file in such a situation, we show a dialog */
1373             if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (lpFileOp->fFlags & FOF_WANTNUKEWARNING))
1374                 bDelete = SHELL_ConfirmDialogW(lpFileOp->hwnd, ASK_CANT_TRASH_ITEM, fileEntry->szFullPath, NULL);
1375             else
1376                 bDelete = TRUE;
1377
1378             if (!bDelete)
1379             {
1380                 lpFileOp->fAnyOperationsAborted = TRUE;
1381                 break;
1382             }
1383         }
1384
1385         /* delete the file or directory */
1386         if (IsAttribFile(fileEntry->attributes))
1387             ret = DeleteFileW(fileEntry->szFullPath) ?
1388                     ERROR_SUCCESS : GetLastError();
1389         else
1390             ret = SHELL_DeleteDirectoryW(lpFileOp->hwnd, fileEntry->szFullPath, FALSE);
1391
1392         if (ret)
1393             return ret;
1394     }
1395
1396     return ERROR_SUCCESS;
1397 }
1398
1399 /* moves a file or directory to another directory */
1400 static void move_to_dir(LPSHFILEOPSTRUCTW lpFileOp, const FILE_ENTRY *feFrom, const FILE_ENTRY *feTo)
1401 {
1402     WCHAR szDestPath[MAX_PATH];
1403
1404     PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1405     SHNotifyMoveFileW(feFrom->szFullPath, szDestPath);
1406 }
1407
1408 /* the FO_MOVE operation */
1409 static int move_files(LPSHFILEOPSTRUCTW lpFileOp, const FILE_LIST *flFrom, const FILE_LIST *flTo)
1410 {
1411     DWORD i;
1412     INT mismatched = 0;
1413     const FILE_ENTRY *entryToMove;
1414     const FILE_ENTRY *fileDest;
1415
1416     if (!flFrom->dwNumFiles)
1417         return ERROR_SUCCESS;
1418
1419     if (!flTo->dwNumFiles)
1420         return ERROR_FILE_NOT_FOUND;
1421
1422     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1423         flTo->dwNumFiles > 1 && flFrom->dwNumFiles > 1)
1424     {
1425         return ERROR_CANCELLED;
1426     }
1427
1428     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1429         !flFrom->bAnyDirectories &&
1430         flFrom->dwNumFiles > flTo->dwNumFiles)
1431     {
1432         return ERROR_CANCELLED;
1433     }
1434
1435     if (!PathFileExistsW(flTo->feFiles[0].szDirectory))
1436         return ERROR_CANCELLED;
1437
1438     if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1439         mismatched = flFrom->dwNumFiles - flTo->dwNumFiles;
1440
1441     fileDest = &flTo->feFiles[0];
1442     for (i = 0; i < flFrom->dwNumFiles; i++)
1443     {
1444         entryToMove = &flFrom->feFiles[i];
1445
1446         if (!PathFileExistsW(fileDest->szDirectory))
1447             return ERROR_CANCELLED;
1448
1449         if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1450         {
1451             if (i >= flTo->dwNumFiles)
1452                 break;
1453             fileDest = &flTo->feFiles[i];
1454             if (mismatched && !fileDest->bExists)
1455             {
1456                 create_dest_dirs(flTo->feFiles[i].szFullPath);
1457                 flTo->feFiles[i].bExists = TRUE;
1458                 flTo->feFiles[i].attributes = FILE_ATTRIBUTE_DIRECTORY;
1459             }
1460         }
1461
1462         if (fileDest->bExists && IsAttribDir(fileDest->attributes))
1463             move_to_dir(lpFileOp, entryToMove, fileDest);
1464         else
1465             SHNotifyMoveFileW(entryToMove->szFullPath, fileDest->szFullPath);
1466     }
1467
1468     if (mismatched > 0)
1469     {
1470         if (flFrom->bAnyDirectories)
1471             return DE_DESTSAMETREE;
1472         else
1473             return DE_SAMEFILE;
1474     }
1475
1476     return ERROR_SUCCESS;
1477 }
1478
1479 /* the FO_RENAME files */
1480 static int rename_files(LPSHFILEOPSTRUCTW lpFileOp, const FILE_LIST *flFrom, const FILE_LIST *flTo)
1481 {
1482     const FILE_ENTRY *feFrom;
1483     const FILE_ENTRY *feTo;
1484
1485     if (flFrom->dwNumFiles != 1)
1486         return ERROR_GEN_FAILURE;
1487
1488     if (flTo->dwNumFiles != 1)
1489         return ERROR_CANCELLED;
1490
1491     feFrom = &flFrom->feFiles[0];
1492     feTo= &flTo->feFiles[0];
1493
1494     /* fail if destination doesn't exist */
1495     if (!feFrom->bExists)
1496         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1497
1498     /* fail if destination already exists */
1499     if (feTo->bExists)
1500         return ERROR_ALREADY_EXISTS;
1501
1502     return SHNotifyMoveFileW(feFrom->szFullPath, feTo->szFullPath);
1503 }
1504
1505 /* alert the user if an unsupported flag is used */
1506 static void check_flags(FILEOP_FLAGS fFlags)
1507 {
1508     WORD wUnsupportedFlags = FOF_NO_CONNECTED_ELEMENTS |
1509         FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE |
1510         FOF_RENAMEONCOLLISION | FOF_WANTMAPPINGHANDLE;
1511
1512     if (fFlags & wUnsupportedFlags)
1513         FIXME("Unsupported flags: %04x\n", fFlags);
1514 }
1515
1516 /*************************************************************************
1517  * SHFileOperationW          [SHELL32.@]
1518  *
1519  * See SHFileOperationA
1520  */
1521 int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
1522 {
1523     FILE_OPERATION op;
1524     FILE_LIST flFrom, flTo;
1525     int ret = 0;
1526
1527     if (!lpFileOp)
1528         return ERROR_INVALID_PARAMETER;
1529
1530     check_flags(lpFileOp->fFlags);
1531
1532     ZeroMemory(&flFrom, sizeof(FILE_LIST));
1533     ZeroMemory(&flTo, sizeof(FILE_LIST));
1534
1535     if ((ret = parse_file_list(&flFrom, lpFileOp->pFrom)))
1536         return ret;
1537
1538     if (lpFileOp->wFunc != FO_DELETE)
1539         parse_file_list(&flTo, lpFileOp->pTo);
1540
1541     ZeroMemory(&op, sizeof(op));
1542     op.req = lpFileOp;
1543     op.bManyItems = (flFrom.dwNumFiles > 1);
1544     lpFileOp->fAnyOperationsAborted = FALSE;
1545
1546     switch (lpFileOp->wFunc)
1547     {
1548         case FO_COPY:
1549             ret = copy_files(&op, &flFrom, &flTo);
1550             break;
1551         case FO_DELETE:
1552             ret = delete_files(lpFileOp, &flFrom);
1553             break;
1554         case FO_MOVE:
1555             ret = move_files(lpFileOp, &flFrom, &flTo);
1556             break;
1557         case FO_RENAME:
1558             ret = rename_files(lpFileOp, &flFrom, &flTo);
1559             break;
1560         default:
1561             ret = ERROR_INVALID_PARAMETER;
1562             break;
1563     }
1564
1565     destroy_file_list(&flFrom);
1566
1567     if (lpFileOp->wFunc != FO_DELETE)
1568         destroy_file_list(&flTo);
1569
1570     if (ret == ERROR_CANCELLED)
1571         lpFileOp->fAnyOperationsAborted = TRUE;
1572
1573     SetLastError(ERROR_SUCCESS);
1574     return ret;
1575 }
1576
1577 #define SHDSA_GetItemCount(hdsa) (*(int*)(hdsa))
1578
1579 /*************************************************************************
1580  * SHFreeNameMappings      [shell32.246]
1581  *
1582  * Free the mapping handle returned by SHFileOperation if FOF_WANTSMAPPINGHANDLE
1583  * was specified.
1584  *
1585  * PARAMS
1586  *  hNameMapping [I] handle to the name mappings used during renaming of files
1587  *
1588  * RETURNS
1589  *  Nothing
1590  */
1591 void WINAPI SHFreeNameMappings(HANDLE hNameMapping)
1592 {
1593         if (hNameMapping)
1594         {
1595           int i = SHDSA_GetItemCount((HDSA)hNameMapping) - 1;
1596
1597           for (; i>= 0; i--)
1598           {
1599             LPSHNAMEMAPPINGW lp = DSA_GetItemPtr(hNameMapping, i);
1600
1601             SHFree(lp->pszOldPath);
1602             SHFree(lp->pszNewPath);
1603           }
1604           DSA_Destroy(hNameMapping);
1605         }
1606 }
1607
1608 /*************************************************************************
1609  * SheGetDirA [SHELL32.@]
1610  *
1611  * drive = 0: returns the current directory path
1612  * drive > 0: returns the current directory path of the specified drive
1613  *            drive=1 -> A:  drive=2 -> B:  ...
1614  * returns 0 if successful
1615 */
1616 DWORD WINAPI SheGetDirA(DWORD drive, LPSTR buffer)
1617 {
1618     WCHAR org_path[MAX_PATH];
1619     DWORD ret;
1620     char drv_path[3];
1621
1622     /* change current directory to the specified drive */
1623     if (drive) {
1624         strcpy(drv_path, "A:");
1625         drv_path[0] += (char)drive-1;
1626
1627         GetCurrentDirectoryW(MAX_PATH, org_path);
1628
1629         SetCurrentDirectoryA(drv_path);
1630     }
1631
1632     /* query current directory path of the specified drive */
1633     ret = GetCurrentDirectoryA(MAX_PATH, buffer);
1634
1635     /* back to the original drive */
1636     if (drive)
1637         SetCurrentDirectoryW(org_path);
1638
1639     if (!ret)
1640         return GetLastError();
1641
1642     return 0;
1643 }
1644
1645 /*************************************************************************
1646  * SheGetDirW [SHELL32.@]
1647  *
1648  * drive = 0: returns the current directory path
1649  * drive > 0: returns the current directory path of the specified drive
1650  *            drive=1 -> A:  drive=2 -> B:  ...
1651  * returns 0 if successful
1652  */
1653 DWORD WINAPI SheGetDirW(DWORD drive, LPWSTR buffer)
1654 {
1655     WCHAR org_path[MAX_PATH];
1656     DWORD ret;
1657     char drv_path[3];
1658
1659     /* change current directory to the specified drive */
1660     if (drive) {
1661         strcpy(drv_path, "A:");
1662         drv_path[0] += (char)drive-1;
1663
1664         GetCurrentDirectoryW(MAX_PATH, org_path);
1665
1666         SetCurrentDirectoryA(drv_path);
1667     }
1668
1669     /* query current directory path of the specified drive */
1670     ret = GetCurrentDirectoryW(MAX_PATH, buffer);
1671
1672     /* back to the original drive */
1673     if (drive)
1674         SetCurrentDirectoryW(org_path);
1675
1676     if (!ret)
1677         return GetLastError();
1678
1679     return 0;
1680 }
1681
1682 /*************************************************************************
1683  * SheChangeDirA [SHELL32.@]
1684  *
1685  * changes the current directory to the specified path
1686  * and returns 0 if successful
1687  */
1688 DWORD WINAPI SheChangeDirA(LPSTR path)
1689 {
1690     if (SetCurrentDirectoryA(path))
1691         return 0;
1692     else
1693         return GetLastError();
1694 }
1695
1696 /*************************************************************************
1697  * SheChangeDirW [SHELL32.@]
1698  *
1699  * changes the current directory to the specified path
1700  * and returns 0 if successful
1701  */
1702 DWORD WINAPI SheChangeDirW(LPWSTR path)
1703 {
1704     if (SetCurrentDirectoryW(path))
1705         return 0;
1706     else
1707         return GetLastError();
1708 }
1709
1710 /*************************************************************************
1711  * IsNetDrive                   [SHELL32.66]
1712  */
1713 int WINAPI IsNetDrive(int drive)
1714 {
1715         char root[4];
1716         strcpy(root, "A:\\");
1717         root[0] += (char)drive;
1718         return (GetDriveTypeA(root) == DRIVE_REMOTE);
1719 }
1720
1721
1722 /*************************************************************************
1723  * RealDriveType                [SHELL32.524]
1724  */
1725 int WINAPI RealDriveType(int drive, BOOL bQueryNet)
1726 {
1727     char root[] = "A:\\";
1728     root[0] += (char)drive;
1729     return GetDriveTypeA(root);
1730 }
1731
1732 /***********************************************************************
1733  *              SHPathPrepareForWriteA (SHELL32.@)
1734  */
1735 HRESULT WINAPI SHPathPrepareForWriteA(HWND hwnd, IUnknown *modless, LPCSTR path, DWORD flags)
1736 {
1737     WCHAR wpath[MAX_PATH];
1738     MultiByteToWideChar( CP_ACP, 0, path, -1, wpath, MAX_PATH);
1739     return SHPathPrepareForWriteW(hwnd, modless, wpath, flags);
1740 }
1741
1742 /***********************************************************************
1743  *              SHPathPrepareForWriteW (SHELL32.@)
1744  */
1745 HRESULT WINAPI SHPathPrepareForWriteW(HWND hwnd, IUnknown *modless, LPCWSTR path, DWORD flags)
1746 {
1747     DWORD res;
1748     DWORD err;
1749     LPCWSTR realpath;
1750     int len;
1751     WCHAR* last_slash;
1752     WCHAR* temppath=NULL;
1753
1754     TRACE("%p %p %s 0x%08x\n", hwnd, modless, debugstr_w(path), flags);
1755
1756     if (flags & ~(SHPPFW_DIRCREATE|SHPPFW_ASKDIRCREATE|SHPPFW_IGNOREFILENAME))
1757         FIXME("unimplemented flags 0x%08x\n", flags);
1758
1759     /* cut off filename if necessary */
1760     if (flags & SHPPFW_IGNOREFILENAME)
1761     {
1762         last_slash = StrRChrW(path, NULL, '\\');
1763         if (last_slash == NULL)
1764             len = 1;
1765         else
1766             len = last_slash - path + 1;
1767         temppath = heap_alloc(len * sizeof(WCHAR));
1768         if (!temppath)
1769             return E_OUTOFMEMORY;
1770         StrCpyNW(temppath, path, len);
1771         realpath = temppath;
1772     }
1773     else
1774     {
1775         realpath = path;
1776     }
1777
1778     /* try to create the directory if asked to */
1779     if (flags & (SHPPFW_DIRCREATE|SHPPFW_ASKDIRCREATE))
1780     {
1781         if (flags & SHPPFW_ASKDIRCREATE)
1782             FIXME("treating SHPPFW_ASKDIRCREATE as SHPPFW_DIRCREATE\n");
1783
1784         SHCreateDirectoryExW(0, realpath, NULL);
1785     }
1786
1787     /* check if we can access the directory */
1788     res = GetFileAttributesW(realpath);
1789
1790     heap_free(temppath);
1791
1792     if (res == INVALID_FILE_ATTRIBUTES)
1793     {
1794         err = GetLastError();
1795         if (err == ERROR_FILE_NOT_FOUND)
1796             return HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
1797         return HRESULT_FROM_WIN32(err);
1798     }
1799     else if (res & FILE_ATTRIBUTE_DIRECTORY)
1800         return S_OK;
1801     else
1802         return HRESULT_FROM_WIN32(ERROR_DIRECTORY);
1803 }
1804
1805 /*************************************************************************
1806  * SHMultiFileProperties [SHELL32.@]
1807  */
1808
1809 HRESULT WINAPI SHMultiFileProperties(IDataObject *pdtobj, DWORD flags)
1810 {
1811     FIXME("stub: %p %u\n", pdtobj, flags);
1812     return E_NOTIMPL;
1813 }
1814
1815 struct file_operation
1816 {
1817     IFileOperation IFileOperation_iface;
1818     LONG ref;
1819 };
1820
1821 static inline struct file_operation *impl_from_IFileOperation(IFileOperation *iface)
1822 {
1823     return CONTAINING_RECORD(iface, struct file_operation, IFileOperation_iface);
1824 }
1825
1826 static HRESULT WINAPI file_operation_QueryInterface(IFileOperation *iface, REFIID riid, void **out)
1827 {
1828     struct file_operation *operation = impl_from_IFileOperation(iface);
1829
1830     TRACE("(%p, %s, %p).\n", iface, debugstr_guid(riid), out);
1831
1832     if (IsEqualIID(&IID_IFileOperation, riid) ||
1833         IsEqualIID(&IID_IUnknown, riid))
1834         *out = &operation->IFileOperation_iface;
1835     else
1836     {
1837         FIXME("not implemented for %s.\n", debugstr_guid(riid));
1838         *out = NULL;
1839         return E_NOINTERFACE;
1840     }
1841
1842     IUnknown_AddRef((IUnknown *)*out);
1843     return S_OK;
1844 }
1845
1846 static ULONG WINAPI file_operation_AddRef(IFileOperation *iface)
1847 {
1848     struct file_operation *operation = impl_from_IFileOperation(iface);
1849     ULONG ref = InterlockedIncrement(&operation->ref);
1850
1851     TRACE("(%p): ref=%u.\n", iface, ref);
1852
1853     return ref;
1854 }
1855
1856 static ULONG WINAPI file_operation_Release(IFileOperation *iface)
1857 {
1858     struct file_operation *operation = impl_from_IFileOperation(iface);
1859     ULONG ref = InterlockedDecrement(&operation->ref);
1860
1861     TRACE("(%p): ref=%u.\n", iface, ref);
1862
1863     if (!ref)
1864     {
1865         HeapFree(GetProcessHeap(), 0, operation);
1866     }
1867
1868     return ref;
1869 }
1870
1871 static HRESULT WINAPI file_operation_Advise(IFileOperation *iface, IFileOperationProgressSink *sink, DWORD *cookie)
1872 {
1873     FIXME("(%p, %p, %p): stub.\n", iface, sink, cookie);
1874
1875     return E_NOTIMPL;
1876 }
1877
1878 static HRESULT WINAPI file_operation_Unadvise(IFileOperation *iface, DWORD cookie)
1879 {
1880     FIXME("(%p, %x): stub.\n", iface, cookie);
1881
1882     return E_NOTIMPL;
1883 }
1884
1885 static HRESULT WINAPI file_operation_SetOperationFlags(IFileOperation *iface, DWORD flags)
1886 {
1887     FIXME("(%p, %x): stub.\n", iface, flags);
1888
1889     return E_NOTIMPL;
1890 }
1891
1892 static HRESULT WINAPI file_operation_SetProgressMessage(IFileOperation *iface, LPCWSTR message)
1893 {
1894     FIXME("(%p, %s): stub.\n", iface, debugstr_w(message));
1895
1896     return E_NOTIMPL;
1897 }
1898
1899 static HRESULT WINAPI file_operation_SetProgressDialog(IFileOperation *iface, IOperationsProgressDialog *dialog)
1900 {
1901     FIXME("(%p, %p): stub.\n", iface, dialog);
1902
1903     return E_NOTIMPL;
1904 }
1905
1906 static HRESULT WINAPI file_operation_SetProperties(IFileOperation *iface, IPropertyChangeArray *array)
1907 {
1908     FIXME("(%p, %p): stub.\n", iface, array);
1909
1910     return E_NOTIMPL;
1911 }
1912
1913 static HRESULT WINAPI file_operation_SetOwnerWindow(IFileOperation *iface, HWND owner)
1914 {
1915     FIXME("(%p, %p): stub.\n", iface, owner);
1916
1917     return E_NOTIMPL;
1918 }
1919
1920 static HRESULT WINAPI file_operation_ApplyPropertiesToItem(IFileOperation *iface, IShellItem *item)
1921 {
1922     FIXME("(%p, %p): stub.\n", iface, item);
1923
1924     return E_NOTIMPL;
1925 }
1926
1927 static HRESULT WINAPI file_operation_ApplyPropertiesToItems(IFileOperation *iface, IUnknown *items)
1928 {
1929     FIXME("(%p, %p): stub.\n", iface, items);
1930
1931     return E_NOTIMPL;
1932 }
1933
1934 static HRESULT WINAPI file_operation_RenameItem(IFileOperation *iface, IShellItem *item, LPCWSTR name,
1935         IFileOperationProgressSink *sink)
1936 {
1937     FIXME("(%p, %p, %s, %p): stub.\n", iface, item, debugstr_w(name), sink);
1938
1939     return E_NOTIMPL;
1940 }
1941
1942 static HRESULT WINAPI file_operation_RenameItems(IFileOperation *iface, IUnknown *items, LPCWSTR name)
1943 {
1944     FIXME("(%p, %p, %s): stub.\n", iface, items, debugstr_w(name));
1945
1946     return E_NOTIMPL;
1947 }
1948
1949 static HRESULT WINAPI file_operation_MoveItem(IFileOperation *iface, IShellItem *item, IShellItem *folder,
1950         LPCWSTR name, IFileOperationProgressSink *sink)
1951 {
1952     FIXME("(%p, %p, %p, %s, %p): stub.\n", iface, item, folder, debugstr_w(name), sink);
1953
1954     return E_NOTIMPL;
1955 }
1956
1957 static HRESULT WINAPI file_operation_MoveItems(IFileOperation *iface, IUnknown *items, IShellItem *folder)
1958 {
1959     FIXME("(%p, %p, %p): stub.\n", iface, items, folder);
1960
1961     return E_NOTIMPL;
1962 }
1963
1964 static HRESULT WINAPI file_operation_CopyItem(IFileOperation *iface, IShellItem *item, IShellItem *folder,
1965         LPCWSTR name, IFileOperationProgressSink *sink)
1966 {
1967     FIXME("(%p, %p, %p, %s, %p): stub.\n", iface, item, folder, debugstr_w(name), sink);
1968
1969     return E_NOTIMPL;
1970 }
1971
1972 static HRESULT WINAPI file_operation_CopyItems(IFileOperation *iface, IUnknown *items, IShellItem *folder)
1973 {
1974     FIXME("(%p, %p, %p): stub.\n", iface, items, folder);
1975
1976     return E_NOTIMPL;
1977 }
1978
1979 static HRESULT WINAPI file_operation_DeleteItem(IFileOperation *iface, IShellItem *item,
1980         IFileOperationProgressSink *sink)
1981 {
1982     FIXME("(%p, %p, %p): stub.\n", iface, item, sink);
1983
1984     return E_NOTIMPL;
1985 }
1986
1987 static HRESULT WINAPI file_operation_DeleteItems(IFileOperation *iface, IUnknown *items)
1988 {
1989     FIXME("(%p, %p): stub.\n", iface, items);
1990
1991     return E_NOTIMPL;
1992 }
1993
1994 static HRESULT WINAPI file_operation_NewItem(IFileOperation *iface, IShellItem *folder, DWORD attributes,
1995         LPCWSTR name, LPCWSTR template, IFileOperationProgressSink *sink)
1996 {
1997     FIXME("(%p, %p, %x, %s, %s, %p): stub.\n", iface, folder, attributes,
1998           debugstr_w(name), debugstr_w(template), sink);
1999
2000     return E_NOTIMPL;
2001 }
2002
2003 static HRESULT WINAPI file_operation_PerformOperations(IFileOperation *iface)
2004 {
2005     FIXME("(%p): stub.\n", iface);
2006
2007     return E_NOTIMPL;
2008 }
2009
2010 static HRESULT WINAPI file_operation_GetAnyOperationsAborted(IFileOperation *iface, BOOL *aborted)
2011 {
2012     FIXME("(%p, %p): stub.\n", iface, aborted);
2013
2014     return E_NOTIMPL;
2015 }
2016
2017 static const IFileOperationVtbl file_operation_vtbl =
2018 {
2019     file_operation_QueryInterface,
2020     file_operation_AddRef,
2021     file_operation_Release,
2022     file_operation_Advise,
2023     file_operation_Unadvise,
2024     file_operation_SetOperationFlags,
2025     file_operation_SetProgressMessage,
2026     file_operation_SetProgressDialog,
2027     file_operation_SetProperties,
2028     file_operation_SetOwnerWindow,
2029     file_operation_ApplyPropertiesToItem,
2030     file_operation_ApplyPropertiesToItems,
2031     file_operation_RenameItem,
2032     file_operation_RenameItems,
2033     file_operation_MoveItem,
2034     file_operation_MoveItems,
2035     file_operation_CopyItem,
2036     file_operation_CopyItems,
2037     file_operation_DeleteItem,
2038     file_operation_DeleteItems,
2039     file_operation_NewItem,
2040     file_operation_PerformOperations,
2041     file_operation_GetAnyOperationsAborted
2042 };
2043
2044 HRESULT WINAPI IFileOperation_Constructor(IUnknown *outer, REFIID riid, void **out)
2045 {
2046     struct file_operation *object;
2047     HRESULT hr;
2048
2049     object = heap_alloc_zero(sizeof(*object));
2050     if (!object)
2051         return E_OUTOFMEMORY;
2052
2053     object->IFileOperation_iface.lpVtbl = &file_operation_vtbl;
2054     object->ref = 1;
2055
2056     hr = IFileOperation_QueryInterface(&object->IFileOperation_iface, riid, out);
2057     IFileOperation_Release(&object->IFileOperation_iface);
2058
2059     return hr;
2060 }