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reactos/dll/win32/shell32/shlfileop.cpp
Katayama Hirofumi MZ 4490a053d0
[SHELL32] Improve error message on copying files (#6290) 
Based on KRosUser's copyerrorfix.patch.
JIRA issue: CORE-19414
- If feFrom->szFilename was empty,
  then use feFrom->szFullPath instead.
2024-01-12 16:01:21 +09:00

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/*
* SHFileOperation
*
* Copyright 2000 Juergen Schmied
* Copyright 2002 Andriy Palamarchuk
* Copyright 2004 Dietrich Teickner (from Odin)
* Copyright 2004 Rolf Kalbermatter
* Copyright 2019-2023 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "precomp.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
#define IsAttrib(x, y) ((INVALID_FILE_ATTRIBUTES != (x)) && ((x) & (y)))
#define IsAttribFile(x) (!((x) & FILE_ATTRIBUTE_DIRECTORY))
#define IsAttribDir(x) IsAttrib(x, FILE_ATTRIBUTE_DIRECTORY)
#define IsDotDir(x) ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
#define FO_MASK 0xF
#define NEW_FILENAME_ON_COPY_TRIES 100
typedef struct
{
SHFILEOPSTRUCTW *req;
DWORD dwYesToAllMask;
BOOL bManyItems;
BOOL bCancelled;
IProgressDialog *progress;
ULARGE_INTEGER completedSize;
ULARGE_INTEGER totalSize;
WCHAR szBuilderString[50];
} FILE_OPERATION;
#define ERROR_SHELL_INTERNAL_FILE_NOT_FOUND 1026
typedef struct
{
DWORD attributes;
LPWSTR szDirectory;
LPWSTR szFilename;
LPWSTR szFullPath;
BOOL bFromWildcard;
BOOL bFromRelative;
BOOL bExists;
} FILE_ENTRY;
typedef struct
{
FILE_ENTRY *feFiles;
DWORD num_alloc;
DWORD dwNumFiles;
BOOL bAnyFromWildcard;
BOOL bAnyDirectories;
BOOL bAnyDontExist;
} FILE_LIST;
static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path);
static DWORD SHNotifyDeleteFileW(FILE_OPERATION *op, LPCWSTR path);
static DWORD SHNotifyMoveFileW(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest, BOOL isdir);
static DWORD SHNotifyCopyFileW(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
static HRESULT copy_files(FILE_OPERATION *op, BOOL multiDest, const FILE_LIST *flFrom, FILE_LIST *flTo);
static DWORD move_files(FILE_OPERATION *op, BOOL multiDest, const FILE_LIST *flFrom, const FILE_LIST *flTo);
DWORD WINAPI _FileOpCountManager(FILE_OPERATION *op, const FILE_LIST *flFrom);
static BOOL _FileOpCount(FILE_OPERATION *op, LPWSTR pwszBuf, BOOL bFolder, DWORD *ticks);
/* Confirm dialogs with an optional "Yes To All" as used in file operations confirmations
*/
struct confirm_msg_info
{
LPWSTR lpszText;
LPWSTR lpszCaption;
HICON hIcon;
BOOL bYesToAll;
};
/* as some buttons may be hidden and the dialog height may change we may need
* to move the controls */
static void confirm_msg_move_button(HWND hDlg, INT iId, INT *xPos, INT yOffset, BOOL bShow)
{
HWND hButton = GetDlgItem(hDlg, iId);
RECT r;
if (bShow)
{
POINT pt;
int width;
GetWindowRect(hButton, &r);
width = r.right - r.left;
pt.x = r.left;
pt.y = r.top;
ScreenToClient(hDlg, &pt);
MoveWindow(hButton, *xPos - width, pt.y - yOffset, width, r.bottom - r.top, FALSE);
*xPos -= width + 5;
}
else
ShowWindow(hButton, SW_HIDE);
}
/* Note: we paint the text manually and don't use the static control to make
* sure the text has the same height as the one computed in WM_INITDIALOG
*/
static INT_PTR ConfirmMsgBox_Paint(HWND hDlg)
{
PAINTSTRUCT ps;
HFONT hOldFont;
RECT r;
HDC hdc;
BeginPaint(hDlg, &ps);
hdc = ps.hdc;
SetBkMode(hdc, TRANSPARENT);
GetClientRect(GetDlgItem(hDlg, IDC_YESTOALL_MESSAGE), &r);
/* this will remap the rect to dialog coords */
MapWindowPoints(GetDlgItem(hDlg, IDC_YESTOALL_MESSAGE), hDlg, (LPPOINT)&r, 2);
hOldFont = (HFONT)SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDC_YESTOALL_MESSAGE, WM_GETFONT, 0, 0));
DrawTextW(hdc, (LPWSTR)GetPropW(hDlg, L"WINE_CONFIRM"), -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK);
SelectObject(hdc, hOldFont);
EndPaint(hDlg, &ps);
return TRUE;
}
static INT_PTR ConfirmMsgBox_Init(HWND hDlg, LPARAM lParam)
{
struct confirm_msg_info *info = (struct confirm_msg_info *)lParam;
INT xPos, yOffset;
int width, height;
HFONT hOldFont;
HDC hdc;
RECT r;
SetWindowTextW(hDlg, info->lpszCaption);
ShowWindow(GetDlgItem(hDlg, IDC_YESTOALL_MESSAGE), SW_HIDE);
SetPropW(hDlg, L"WINE_CONFIRM", info->lpszText);
SendDlgItemMessageW(hDlg, IDC_YESTOALL_ICON, STM_SETICON, (WPARAM)info->hIcon, 0);
/* compute the text height and resize the dialog */
GetClientRect(GetDlgItem(hDlg, IDC_YESTOALL_MESSAGE), &r);
hdc = GetDC(hDlg);
yOffset = r.bottom;
hOldFont = (HFONT)SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDC_YESTOALL_MESSAGE, WM_GETFONT, 0, 0));
DrawTextW(hdc, info->lpszText, -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK | DT_CALCRECT);
SelectObject(hdc, hOldFont);
yOffset -= r.bottom;
yOffset = min(yOffset, 35); /* don't make the dialog too small */
ReleaseDC(hDlg, hdc);
GetClientRect(hDlg, &r);
xPos = r.right - 7;
GetWindowRect(hDlg, &r);
width = r.right - r.left;
height = r.bottom - r.top - yOffset;
MoveWindow(hDlg, (GetSystemMetrics(SM_CXSCREEN) - width)/2,
(GetSystemMetrics(SM_CYSCREEN) - height)/2, width, height, FALSE);
confirm_msg_move_button(hDlg, IDCANCEL, &xPos, yOffset, info->bYesToAll);
confirm_msg_move_button(hDlg, IDNO, &xPos, yOffset, TRUE);
confirm_msg_move_button(hDlg, IDC_YESTOALL, &xPos, yOffset, info->bYesToAll);
confirm_msg_move_button(hDlg, IDYES, &xPos, yOffset, TRUE);
return TRUE;
}
static INT_PTR CALLBACK ConfirmMsgBoxProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_INITDIALOG:
return ConfirmMsgBox_Init(hDlg, lParam);
case WM_PAINT:
return ConfirmMsgBox_Paint(hDlg);
case WM_COMMAND:
EndDialog(hDlg, wParam);
break;
case WM_CLOSE:
EndDialog(hDlg, IDCANCEL);
break;
}
return FALSE;
}
int SHELL_ConfirmMsgBox(HWND hWnd, LPWSTR lpszText, LPWSTR lpszCaption, HICON hIcon, BOOL bYesToAll)
{
struct confirm_msg_info info;
info.lpszText = lpszText;
info.lpszCaption = lpszCaption;
info.hIcon = hIcon;
info.bYesToAll = bYesToAll;
return DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCEW(IDD_YESTOALL_MSGBOX), hWnd, ConfirmMsgBoxProc, (LPARAM)&info);
}
/* confirmation dialogs content */
typedef struct
{
HINSTANCE hIconInstance;
UINT icon_resource_id;
UINT caption_resource_id, text_resource_id;
} SHELL_ConfirmIDstruc;
static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
{
ids->hIconInstance = shell32_hInstance;
switch (nKindOfDialog)
{
case ASK_DELETE_FILE:
ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
ids->text_resource_id = IDS_DELETEITEM_TEXT;
return TRUE;
case ASK_DELETE_FOLDER:
ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
ids->caption_resource_id = IDS_DELETEFOLDER_CAPTION;
ids->text_resource_id = IDS_DELETEITEM_TEXT;
return TRUE;
case ASK_DELETE_MULTIPLE_ITEM:
ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
ids->text_resource_id = IDS_DELETEMULTIPLE_TEXT;
return TRUE;
case ASK_TRASH_FILE:
ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
ids->text_resource_id = IDS_TRASHITEM_TEXT;
return TRUE;
case ASK_TRASH_FOLDER:
ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
ids->caption_resource_id = IDS_DELETEFOLDER_CAPTION;
ids->text_resource_id = IDS_TRASHFOLDER_TEXT;
return TRUE;
case ASK_TRASH_MULTIPLE_ITEM:
ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
ids->text_resource_id = IDS_TRASHMULTIPLE_TEXT;
return TRUE;
case ASK_CANT_TRASH_ITEM:
ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
ids->text_resource_id = IDS_CANTTRASH_TEXT;
return TRUE;
case ASK_DELETE_SELECTED:
ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
ids->text_resource_id = IDS_DELETESELECTED_TEXT;
return TRUE;
case ASK_OVERWRITE_FILE:
ids->icon_resource_id = IDI_SHELL_FOLDER_MOVE2;
ids->caption_resource_id = IDS_OVERWRITEFILE_CAPTION;
ids->text_resource_id = IDS_OVERWRITEFILE_TEXT;
return TRUE;
case ASK_OVERWRITE_FOLDER:
ids->icon_resource_id = IDI_SHELL_FOLDER_MOVE2;
ids->caption_resource_id = IDS_OVERWRITEFILE_CAPTION;
ids->text_resource_id = IDS_OVERWRITEFOLDER_TEXT;
return TRUE;
default:
FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
}
return FALSE;
}
static BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir, FILE_OPERATION *op)
{
WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
SHELL_ConfirmIDstruc ids;
DWORD_PTR args[1];
HICON hIcon;
int ret;
assert(nKindOfDialog >= 0 && nKindOfDialog < 32);
if (op && (op->dwYesToAllMask & (1 << nKindOfDialog)))
return TRUE;
if (!SHELL_ConfirmIDs(nKindOfDialog, &ids)) return FALSE;
LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption)/sizeof(WCHAR));
LoadStringW(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText)/sizeof(WCHAR));
args[0] = (DWORD_PTR)szDir;
FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)args);
hIcon = LoadIconW(ids.hIconInstance, (LPWSTR)MAKEINTRESOURCE(ids.icon_resource_id));
ret = SHELL_ConfirmMsgBox(hWnd, szBuffer, szCaption, hIcon, op && op->bManyItems);
if (op)
{
if (ret == IDC_YESTOALL)
{
op->dwYesToAllMask |= (1 << nKindOfDialog);
ret = IDYES;
}
if (ret == IDCANCEL)
op->bCancelled = TRUE;
if (ret != IDYES)
op->req->fAnyOperationsAborted = TRUE;
}
return ret == IDYES;
}
BOOL SHELL_ConfirmYesNoW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
{
return SHELL_ConfirmDialogW(hWnd, nKindOfDialog, szDir, NULL);
}
static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
if (len < minChars)
len = minChars;
*wPath = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (*wPath)
{
MultiByteToWideChar(CP_ACP, 0, aPath, -1, *wPath, len);
return NO_ERROR;
}
return E_OUTOFMEMORY;
}
static void SHELL32_FreeUnicodeBuf(LPWSTR wPath)
{
HeapFree(GetProcessHeap(), 0, wPath);
}
EXTERN_C HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
{
FIXME("(%s, %p) stub\n", debugstr_w(path), status);
return E_FAIL;
}
/**************************************************************************
* SHELL_DeleteDirectory() [internal]
*
* Asks for confirmation when bShowUI is true and deletes the directory and
* all its subdirectories and files if necessary.
*/
BOOL SHELL_DeleteDirectoryW(FILE_OPERATION *op, LPCWSTR pszDir, BOOL bShowUI)
{
BOOL ret = TRUE;
HANDLE hFind;
WIN32_FIND_DATAW wfd;
WCHAR szTemp[MAX_PATH];
/* Make sure the directory exists before eventually prompting the user */
PathCombineW(szTemp, pszDir, L"*");
hFind = FindFirstFileW(szTemp, &wfd);
if (hFind == INVALID_HANDLE_VALUE)
return FALSE;
if (!bShowUI || (ret = SHELL_ConfirmDialogW(op->req->hwnd, ASK_DELETE_FOLDER, pszDir, NULL)))
{
do
{
if (IsDotDir(wfd.cFileName))
continue;
PathCombineW(szTemp, pszDir, wfd.cFileName);
if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
ret = SHELL_DeleteDirectoryW(op, szTemp, FALSE);
else
ret = (SHNotifyDeleteFileW(op, szTemp) == ERROR_SUCCESS);
if (op->progress != NULL)
op->bCancelled |= op->progress->HasUserCancelled();
} while (ret && FindNextFileW(hFind, &wfd) && !op->bCancelled);
}
FindClose(hFind);
if (ret)
ret = (SHNotifyRemoveDirectoryW(pszDir) == ERROR_SUCCESS);
return ret;
}
/**************************************************************************
* Win32CreateDirectory [SHELL32.93]
*
* Creates a directory. Also triggers a change notify if one exists.
*
* PARAMS
* path [I] path to directory to create
*
* RETURNS
* TRUE if successful, FALSE otherwise
*/
static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
{
TRACE("(%s, %p)\n", debugstr_w(path), sec);
if (CreateDirectoryW(path, sec))
{
SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
return ERROR_SUCCESS;
}
return GetLastError();
}
/**********************************************************************/
EXTERN_C BOOL WINAPI Win32CreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
{
return (SHNotifyCreateDirectoryW(path, sec) == ERROR_SUCCESS);
}
/************************************************************************
* Win32RemoveDirectory [SHELL32.94]
*
* Deletes a directory. Also triggers a change notify if one exists.
*
* PARAMS
* path [I] path to directory to delete
*
* RETURNS
* TRUE if successful, FALSE otherwise
*/
static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
{
BOOL ret;
TRACE("(%s)\n", debugstr_w(path));
ret = RemoveDirectoryW(path);
if (!ret)
{
/* Directory may be write protected */
DWORD dwAttr = GetFileAttributesW(path);
if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
ret = RemoveDirectoryW(path);
}
if (ret)
{
SHChangeNotify(SHCNE_RMDIR, SHCNF_PATHW, path, NULL);
return ERROR_SUCCESS;
}
return GetLastError();
}
/***********************************************************************/
EXTERN_C BOOL WINAPI Win32RemoveDirectoryW(LPCWSTR path)
{
return (SHNotifyRemoveDirectoryW(path) == ERROR_SUCCESS);
}
static void _SetOperationTitle(FILE_OPERATION *op) {
if (op->progress == NULL)
return;
WCHAR szTitle[50], szPreflight[50];
UINT animation_id = NULL;
switch (op->req->wFunc)
{
case FO_COPY:
LoadStringW(shell32_hInstance, IDS_FILEOOP_COPYING, szTitle, sizeof(szTitle)/sizeof(WCHAR));
LoadStringW(shell32_hInstance, IDS_FILEOOP_FROM_TO, op->szBuilderString, sizeof( op->szBuilderString)/sizeof(WCHAR));
animation_id = IDA_SHELL_COPY;
break;
case FO_DELETE:
LoadStringW(shell32_hInstance, IDS_FILEOOP_DELETING, szTitle, sizeof(szTitle)/sizeof(WCHAR));
LoadStringW(shell32_hInstance, IDS_FILEOOP_FROM, op->szBuilderString, sizeof( op->szBuilderString)/sizeof(WCHAR));
animation_id = IDA_SHELL_DELETE;
break;
case FO_MOVE:
LoadStringW(shell32_hInstance, IDS_FILEOOP_MOVING, szTitle, sizeof(szTitle)/sizeof(WCHAR));
LoadStringW(shell32_hInstance, IDS_FILEOOP_FROM_TO, op->szBuilderString, sizeof( op->szBuilderString)/sizeof(WCHAR));
animation_id = IDA_SHELL_COPY;
break;
default:
return;
}
LoadStringW(shell32_hInstance, IDS_FILEOOP_PREFLIGHT, szPreflight, sizeof(szPreflight)/sizeof(WCHAR));
op->progress->SetTitle(szTitle);
op->progress->SetLine(1, szPreflight, false, NULL);
op->progress->SetAnimation(shell32_hInstance, animation_id);
}
static void _SetOperationTexts(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest) {
if (op->progress == NULL || src == NULL)
return;
LPWSTR fileSpecS, pathSpecS, fileSpecD, pathSpecD;
WCHAR szFolderS[50], szFolderD[50], szFinalString[260];
DWORD_PTR args[2];
fileSpecS = (pathSpecS = (LPWSTR) src);
fileSpecD = (pathSpecD = (LPWSTR) dest);
// March across the string to get the file path and it's parent dir.
for (LPWSTR ptr = (LPWSTR) src; *ptr; ptr++) {
if (*ptr == '\\') {
pathSpecS = fileSpecS;
fileSpecS = ptr+1;
}
}
lstrcpynW(szFolderS, pathSpecS, min(50, fileSpecS - pathSpecS));
args[0] = (DWORD_PTR) szFolderS;
switch (op->req->wFunc)
{
case FO_COPY:
case FO_MOVE:
if (dest == NULL)
return;
for (LPWSTR ptr = (LPWSTR) dest; *ptr; ptr++) {
if (*ptr == '\\') {
pathSpecD = fileSpecD;
fileSpecD = ptr + 1;
}
}
lstrcpynW(szFolderD, pathSpecD, min(50, fileSpecD - pathSpecD));
args[1] = (DWORD_PTR) szFolderD;
break;
case FO_DELETE:
break;
default:
return;
}
FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
op->szBuilderString, 0, 0, szFinalString, sizeof(szFinalString), (va_list*)args);
op->progress->SetLine(1, fileSpecS, false, NULL);
op->progress->SetLine(2, szFinalString, false, NULL);
}
DWORD CALLBACK SHCopyProgressRoutine(
LARGE_INTEGER TotalFileSize,
LARGE_INTEGER TotalBytesTransferred,
LARGE_INTEGER StreamSize,
LARGE_INTEGER StreamBytesTransferred,
DWORD dwStreamNumber,
DWORD dwCallbackReason,
HANDLE hSourceFile,
HANDLE hDestinationFile,
LPVOID lpData
) {
FILE_OPERATION *op = (FILE_OPERATION *) lpData;
if (op->progress) {
/*
* This is called at the start of each file. To keop less state,
* I'm adding the file to the completed size here, and the re-subtracting
* it when drawing the progress bar.
*/
if (dwCallbackReason & CALLBACK_STREAM_SWITCH)
op->completedSize.QuadPart += TotalFileSize.QuadPart;
op->progress->SetProgress64(op->completedSize.QuadPart -
TotalFileSize.QuadPart +
TotalBytesTransferred.QuadPart
, op->totalSize.QuadPart);
op->bCancelled = op->progress->HasUserCancelled();
}
return 0;
}
/************************************************************************
* SHNotifyDeleteFileW [internal]
*
* Deletes a file. Also triggers a change notify if one exists.
*
* PARAMS
* op [I] File Operation context
* path [I] path to source file to move
*
* RETURNS
* ERORR_SUCCESS if successful
*/
static DWORD SHNotifyDeleteFileW(FILE_OPERATION *op, LPCWSTR path)
{
BOOL ret;
TRACE("(%s)\n", debugstr_w(path));
_SetOperationTexts(op, path, NULL);
LARGE_INTEGER FileSize;
FileSize.QuadPart = 0;
WIN32_FIND_DATAW wfd;
HANDLE hFile = FindFirstFileW(path, &wfd);
if (hFile != INVALID_HANDLE_VALUE && IsAttribFile(wfd.dwFileAttributes)) {
ULARGE_INTEGER tmp;
tmp.u.LowPart = wfd.nFileSizeLow;
tmp.u.HighPart = wfd.nFileSizeHigh;
FileSize.QuadPart = tmp.QuadPart;
}
FindClose(hFile);
ret = DeleteFileW(path);
if (!ret)
{
/* File may be write protected or a system file */
DWORD dwAttr = GetFileAttributesW(path);
if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
ret = DeleteFileW(path);
}
if (ret)
{
// Bit of a hack to make the progress bar move. We don't have progress inside the file, so inform when done.
SHCopyProgressRoutine(FileSize, FileSize, FileSize, FileSize, 0, CALLBACK_STREAM_SWITCH, NULL, NULL, op);
SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, path, NULL);
return ERROR_SUCCESS;
}
return GetLastError();
}
/************************************************************************
* Win32DeleteFile [SHELL32.164]
*
* Deletes a file. Also triggers a change notify if one exists.
*
* PARAMS
* path [I] path to file to delete
*
* RETURNS
* TRUE if successful, FALSE otherwise
*/
EXTERN_C DWORD WINAPI Win32DeleteFileW(LPCWSTR path)
{
return (SHNotifyDeleteFileW(NULL, path) == ERROR_SUCCESS);
}
/************************************************************************
* CheckForError [internal]
*
* Show message box if operation failed
*
* PARAMS
* op [I] File Operation context
* error [I] Error code
* src [I] Source file full name
*
*/
static DWORD CheckForError(FILE_OPERATION *op, DWORD error, LPCWSTR src)
{
CStringW strTitle, strMask, strText;
LPWSTR lpMsgBuffer;
if (error == ERROR_SUCCESS || (op->req->fFlags & (FOF_NOERRORUI | FOF_SILENT)))
goto exit;
strTitle.LoadStringW(op->req->wFunc == FO_COPY ? IDS_COPYERRORTITLE : IDS_MOVEERRORTITLE);
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&lpMsgBuffer,
0,
NULL);
strText.Format(op->req->wFunc == FO_COPY ? IDS_COPYERROR : IDS_MOVEERROR,
PathFindFileNameW(src),
lpMsgBuffer);
MessageBoxW(op->req->hwnd, strText, strTitle, MB_ICONERROR);
LocalFree(lpMsgBuffer);
exit:
return error;
}
/************************************************************************
* SHNotifyMoveFile [internal]
*
* Moves a file. Also triggers a change notify if one exists.
*
* PARAMS
* op [I] File Operation context
* src [I] path to source file to move
* dest [I] path to target file to move to
*
* RETURNS
* ERROR_SUCCESS if successful
*/
static DWORD SHNotifyMoveFileW(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest, BOOL isdir)
{
BOOL ret;
TRACE("(%s %s)\n", debugstr_w(src), debugstr_w(dest));
_SetOperationTexts(op, src, dest);
ret = MoveFileWithProgressW(src, dest, SHCopyProgressRoutine, op, MOVEFILE_REPLACE_EXISTING);
/* MOVEFILE_REPLACE_EXISTING fails with dirs, so try MoveFile */
if (!ret)
ret = MoveFileW(src, dest);
if (!ret)
{
DWORD dwAttr;
dwAttr = SHFindAttrW(dest, FALSE);
if (INVALID_FILE_ATTRIBUTES == dwAttr)
{
/* Source file may be write protected or a system file */
dwAttr = GetFileAttributesW(src);
if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
ret = MoveFileW(src, dest);
}
}
if (ret)
{
SHChangeNotify(isdir ? SHCNE_MKDIR : SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
SHChangeNotify(isdir ? SHCNE_RMDIR : SHCNE_DELETE, SHCNF_PATHW, src, NULL);
return ERROR_SUCCESS;
}
return CheckForError(op, GetLastError(), src);
}
static BOOL SHIsCdRom(LPCWSTR path)
{
WCHAR tmp[] = { L"A:\\" };
if (!path || !path[0])
return FALSE;
if (path[1] != UNICODE_NULL && path[1] != ':')
return FALSE;
tmp[0] = path[0];
return GetDriveTypeW(tmp) == DRIVE_CDROM;
}
/************************************************************************
* SHNotifyCopyFile [internal]
*
* Copies a file. Also triggers a change notify if one exists.
*
* PARAMS
* src [I] path to source file to move
* dest [I] path to target file to move to
* bFailIfExists [I] if TRUE, the target file will not be overwritten if
* a file with this name already exists
*
* RETURNS
* ERROR_SUCCESS if successful
*/
static DWORD SHNotifyCopyFileW(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists)
{
BOOL ret;
DWORD attribs;
TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bFailIfExists ? "failIfExists" : "");
_SetOperationTexts(op, src, dest);
/* Destination file may already exist with read only attribute */
attribs = GetFileAttributesW(dest);
if (IsAttrib(attribs, FILE_ATTRIBUTE_READONLY))
SetFileAttributesW(dest, attribs & ~FILE_ATTRIBUTE_READONLY);
if (GetFileAttributesW(dest) & FILE_ATTRIBUTE_READONLY)
{
SetFileAttributesW(dest, attribs & ~FILE_ATTRIBUTE_READONLY);
if (GetFileAttributesW(dest) & FILE_ATTRIBUTE_READONLY)
{
TRACE("[shell32, SHNotifyCopyFileW] STILL SHIT\n");
}
}
ret = CopyFileExW(src, dest, SHCopyProgressRoutine, op, &op->bCancelled, bFailIfExists);
if (ret)
{
// We are copying from a CD-ROM volume, which is readonly
if (SHIsCdRom(src))
{
attribs = GetFileAttributesW(dest);
attribs &= ~FILE_ATTRIBUTE_READONLY;
SetFileAttributesW(dest, attribs);
}
SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
return ERROR_SUCCESS;
}
return CheckForError(op, GetLastError(), src);
}
/*************************************************************************
* SHCreateDirectory [SHELL32.165]
*
* This function creates a file system folder whose fully qualified path is
* given by path. If one or more of the intermediate folders do not exist,
* they will be created as well.
*
* PARAMS
* hWnd [I]
* path [I] path of directory to create
*
* RETURNS
* ERROR_SUCCESS or one of the following values:
* ERROR_BAD_PATHNAME if the path is relative
* ERROR_FILE_EXISTS when a file with that name exists
* ERROR_PATH_NOT_FOUND can't find the path, probably invalid
* ERROR_INVALID_NAME if the path contains invalid chars
* ERROR_ALREADY_EXISTS when the directory already exists
* ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
*
* NOTES
* exported by ordinal
* Win9x exports ANSI
* WinNT/2000 exports Unicode
*/
int WINAPI SHCreateDirectory(HWND hWnd, LPCWSTR path)
{
return SHCreateDirectoryExW(hWnd, path, NULL);
}
/*************************************************************************
* SHCreateDirectoryExA [SHELL32.@]
*
* This function creates a file system folder whose fully qualified path is
* given by path. If one or more of the intermediate folders do not exist,
* they will be created as well.
*
* PARAMS
* hWnd [I]
* path [I] path of directory to create
* sec [I] security attributes to use or NULL
*
* RETURNS
* ERROR_SUCCESS or one of the following values:
* ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
* ERROR_INVALID_NAME if the path contains invalid chars
* ERROR_FILE_EXISTS when a file with that name exists
* ERROR_ALREADY_EXISTS when the directory already exists
* ERROR_FILENAME_EXCED_RANGE if the filename was too long to process
*
* FIXME: Not implemented yet;
* SHCreateDirectoryEx also verifies that the files in the directory will be visible
* if the path is a network path to deal with network drivers which might have a limited
* but unknown maximum path length. If not:
*
* If hWnd is set to a valid window handle, a message box is displayed warning
* the user that the files may not be accessible. If the user chooses not to
* proceed, the function returns ERROR_CANCELLED.
*
* If hWnd is set to NULL, no user interface is displayed and the function
* returns ERROR_CANCELLED.
*/
int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES sec)
{
LPWSTR wPath;
DWORD retCode;
TRACE("(%s, %p)\n", debugstr_a(path), sec);
retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
if (!retCode)
{
retCode = SHCreateDirectoryExW(hWnd, wPath, sec);
SHELL32_FreeUnicodeBuf(wPath);
}
return retCode;
}
/*************************************************************************
* SHCreateDirectoryExW [SHELL32.@]
*
* See SHCreateDirectoryExA.
*/
int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
{
int ret = ERROR_BAD_PATHNAME;
TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
if (PathIsRelativeW(path))
{
SetLastError(ret);
}
else
{
ret = SHNotifyCreateDirectoryW(path, sec);
/* Refuse to work on certain error codes before trying to create directories recursively */
if (ret != ERROR_SUCCESS &&
ret != ERROR_FILE_EXISTS &&
ret != ERROR_ALREADY_EXISTS &&
ret != ERROR_FILENAME_EXCED_RANGE)
{
WCHAR *pEnd, *pSlash, szTemp[MAX_PATH + 1]; /* extra for PathAddBackslash() */
lstrcpynW(szTemp, path, MAX_PATH);
pEnd = PathAddBackslashW(szTemp);
pSlash = szTemp + 3;
while (*pSlash)
{
while (*pSlash && *pSlash != '\\') pSlash++;
if (*pSlash)
{
*pSlash = 0; /* terminate path at separator */
ret = SHNotifyCreateDirectoryW(szTemp, pSlash + 1 == pEnd ? sec : NULL);
}
*pSlash++ = '\\'; /* put the separator back */
}
}
if (ret && hWnd && (ERROR_CANCELLED != ret && ERROR_ALREADY_EXISTS != ret))
{
ShellMessageBoxW(shell32_hInstance, hWnd, MAKEINTRESOURCEW(IDS_CREATEFOLDER_DENIED), MAKEINTRESOURCEW(IDS_CREATEFOLDER_CAPTION),
MB_ICONEXCLAMATION | MB_OK, path);
ret = ERROR_CANCELLED;
}
}
return ret;
}
/*************************************************************************
* SHFindAttrW [internal]
*
* Get the Attributes for a file or directory. The difference to GetAttributes()
* is that this function will also work for paths containing wildcard characters
* in its filename.
* PARAMS
* path [I] path of directory or file to check
* fileOnly [I] TRUE if only files should be found
*
* RETURNS
* INVALID_FILE_ATTRIBUTES if the path does not exist, the actual attributes of
* the first file or directory found otherwise
*/
static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly)
{
WIN32_FIND_DATAW wfd;
BOOL b_FileMask = fileOnly && (NULL != StrPBrkW(pName, L"*?"));
DWORD dwAttr = INVALID_FILE_ATTRIBUTES;
HANDLE hFind = FindFirstFileW(pName, &wfd);
TRACE("%s %d\n", debugstr_w(pName), fileOnly);
if (INVALID_HANDLE_VALUE != hFind)
{
do
{
if (b_FileMask && IsAttribDir(wfd.dwFileAttributes))
continue;
dwAttr = wfd.dwFileAttributes;
break;
} while (FindNextFileW(hFind, &wfd));
FindClose(hFind);
}
return dwAttr;
}
/*************************************************************************
*
* _ConvertAtoW helper function for SHFileOperationA
*
* Converts a string or string-list to unicode.
*/
static DWORD _ConvertAtoW(PCSTR strSrc, PCWSTR* pStrDest, BOOL isList)
{
*pStrDest = NULL;
// If the input is null, nothing to convert.
if (!strSrc)
return 0;
// Measure the total size, depending on if it's a zero-terminated list.
int sizeA = 0;
if (isList)
{
PCSTR tmpSrc = strSrc;
int size;
do
{
size = lstrlenA(tmpSrc) + 1;
sizeA += size;
tmpSrc += size;
} while (size != 1);
}
else
{
sizeA = lstrlenA(strSrc) + 1;
}
// Measure the needed allocation size.
int sizeW = MultiByteToWideChar(CP_ACP, 0, strSrc, sizeA, NULL, 0);
if (!sizeW)
return GetLastError();
PWSTR strDest = (PWSTR) HeapAlloc(GetProcessHeap(), 0, sizeW * sizeof(WCHAR));
if (!strDest)
return ERROR_OUTOFMEMORY;
int err = MultiByteToWideChar(CP_ACP, 0, strSrc, sizeA, strDest, sizeW);
if (!err)
{
HeapFree(GetProcessHeap(), 0, strDest);
return GetLastError();
}
*pStrDest = strDest;
return 0;
}
/*************************************************************************
* SHFileOperationA [SHELL32.@]
*
* Function to copy, move, delete and create one or more files with optional
* user prompts.
*
* PARAMS
* lpFileOp [I/O] pointer to a structure containing all the necessary information
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: ERROR_CANCELLED.
*
* NOTES
* exported by name
*/
int WINAPI SHFileOperationA(LPSHFILEOPSTRUCTA lpFileOp)
{
int errCode, retCode;
SHFILEOPSTRUCTW nFileOp = { 0 };
// Convert A information to W
nFileOp.hwnd = lpFileOp->hwnd;
nFileOp.wFunc = lpFileOp->wFunc;
nFileOp.fFlags = lpFileOp->fFlags;
errCode = _ConvertAtoW(lpFileOp->pFrom, &nFileOp.pFrom, TRUE);
if (errCode != 0)
goto cleanup;
if (FO_DELETE != (nFileOp.wFunc & FO_MASK))
{
errCode = _ConvertAtoW(lpFileOp->pTo, &nFileOp.pTo, TRUE);
if (errCode != 0)
goto cleanup;
}
if (nFileOp.fFlags & FOF_SIMPLEPROGRESS)
{
errCode = _ConvertAtoW(lpFileOp->lpszProgressTitle, &nFileOp.lpszProgressTitle, FALSE);
if (errCode != 0)
goto cleanup;
}
// Call the actual function
retCode = SHFileOperationW(&nFileOp);
if (retCode)
{
ERR("SHFileOperationW failed with 0x%x\n", retCode);
}
// Cleanup
cleanup:
if (nFileOp.pFrom)
HeapFree(GetProcessHeap(), 0, (PVOID) nFileOp.pFrom);
if (nFileOp.pTo)
HeapFree(GetProcessHeap(), 0, (PVOID) nFileOp.pTo);
if (nFileOp.lpszProgressTitle)
HeapFree(GetProcessHeap(), 0, (PVOID) nFileOp.lpszProgressTitle);
if (errCode != 0)
{
lpFileOp->fAnyOperationsAborted = TRUE;
SetLastError(errCode);
return errCode;
}
// Thankfully, starting with NT4 the name mappings are always unicode, so no need to convert.
lpFileOp->hNameMappings = nFileOp.hNameMappings;
lpFileOp->fAnyOperationsAborted = nFileOp.fAnyOperationsAborted;
return retCode;
}
static void __inline grow_list(FILE_LIST *list)
{
FILE_ENTRY *newx = (FILE_ENTRY *)HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, list->feFiles,
list->num_alloc * 2 * sizeof(*newx) );
list->feFiles = newx;
list->num_alloc *= 2;
}
/* adds a file to the FILE_ENTRY struct
*/
static void add_file_to_entry(FILE_ENTRY *feFile, LPCWSTR szFile)
{
DWORD dwLen = lstrlenW(szFile) + 1;
LPCWSTR ptr;
LPCWSTR ptr2;
feFile->szFullPath = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
lstrcpyW(feFile->szFullPath, szFile);
ptr = StrRChrW(szFile, NULL, '\\');
ptr2 = StrRChrW(szFile, NULL, '/');
if (!ptr || ptr < ptr2)
ptr = ptr2;
if (ptr)
{
dwLen = ptr - szFile + 1;
feFile->szDirectory = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
lstrcpynW(feFile->szDirectory, szFile, dwLen);
dwLen = lstrlenW(feFile->szFullPath) - dwLen + 1;
feFile->szFilename = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
lstrcpyW(feFile->szFilename, ptr + 1); /* skip over backslash */
}
feFile->bFromWildcard = FALSE;
}
static LPWSTR wildcard_to_file(LPCWSTR szWildCard, LPCWSTR szFileName)
{
LPCWSTR ptr;
LPCWSTR ptr2;
LPWSTR szFullPath;
DWORD dwDirLen, dwFullLen;
ptr = StrRChrW(szWildCard, NULL, '\\');
ptr2 = StrRChrW(szWildCard, NULL, '/');
if (!ptr || ptr < ptr2)
ptr = ptr2;
dwDirLen = ptr - szWildCard + 1;
dwFullLen = dwDirLen + lstrlenW(szFileName) + 1;
szFullPath = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwFullLen * sizeof(WCHAR));
lstrcpynW(szFullPath, szWildCard, dwDirLen + 1);
lstrcatW(szFullPath, szFileName);
return szFullPath;
}
static void parse_wildcard_files(FILE_LIST *flList, LPCWSTR szFile, LPDWORD pdwListIndex)
{
WIN32_FIND_DATAW wfd;
HANDLE hFile = FindFirstFileW(szFile, &wfd);
FILE_ENTRY *file;
LPWSTR szFullPath;
BOOL res;
if (hFile == INVALID_HANDLE_VALUE) return;
for (res = TRUE; res; res = FindNextFileW(hFile, &wfd))
{
if (IsDotDir(wfd.cFileName))
continue;
if (*pdwListIndex >= flList->num_alloc)
grow_list( flList );
szFullPath = wildcard_to_file(szFile, wfd.cFileName);
file = &flList->feFiles[(*pdwListIndex)++];
add_file_to_entry(file, szFullPath);
file->bFromWildcard = TRUE;
file->attributes = wfd.dwFileAttributes;
if (IsAttribDir(file->attributes))
flList->bAnyDirectories = TRUE;
HeapFree(GetProcessHeap(), 0, szFullPath);
}
FindClose(hFile);
}
/* takes the null-separated file list and fills out the FILE_LIST */
static HRESULT parse_file_list(FILE_LIST *flList, LPCWSTR szFiles)
{
LPCWSTR ptr = szFiles;
WCHAR szCurFile[MAX_PATH];
DWORD i = 0;
if (!szFiles)
return ERROR_INVALID_PARAMETER;
flList->bAnyFromWildcard = FALSE;
flList->bAnyDirectories = FALSE;
flList->bAnyDontExist = FALSE;
flList->num_alloc = 32;
flList->dwNumFiles = 0;
/* empty list */
if (!szFiles[0])
return ERROR_ACCESS_DENIED;
flList->feFiles = (FILE_ENTRY *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
flList->num_alloc * sizeof(FILE_ENTRY));
while (*ptr)
{
if (i >= flList->num_alloc) grow_list( flList );
/* change relative to absolute path */
if (PathIsRelativeW(ptr))
{
GetCurrentDirectoryW(MAX_PATH, szCurFile);
PathCombineW(szCurFile, szCurFile, ptr);
flList->feFiles[i].bFromRelative = TRUE;
}
else
{
lstrcpyW(szCurFile, ptr);
flList->feFiles[i].bFromRelative = FALSE;
}
/* parse wildcard files if they are in the filename */
if (StrPBrkW(szCurFile, L"*?"))
{
parse_wildcard_files(flList, szCurFile, &i);
flList->bAnyFromWildcard = TRUE;
i--;
}
else
{
FILE_ENTRY *file = &flList->feFiles[i];
add_file_to_entry(file, szCurFile);
file->attributes = GetFileAttributesW( file->szFullPath );
file->bExists = (file->attributes != INVALID_FILE_ATTRIBUTES);
if (!file->bExists)
flList->bAnyDontExist = TRUE;
if (IsAttribDir(file->attributes))
flList->bAnyDirectories = TRUE;
}
/* advance to the next string */
ptr += lstrlenW(ptr) + 1;
i++;
}
flList->dwNumFiles = i;
return S_OK;
}
/* free the FILE_LIST */
static void destroy_file_list(FILE_LIST *flList)
{
DWORD i;
if (!flList || !flList->feFiles)
return;
for (i = 0; i < flList->dwNumFiles; i++)
{
HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szDirectory);
HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFilename);
HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFullPath);
}
HeapFree(GetProcessHeap(), 0, flList->feFiles);
}
static CStringW try_find_new_name(LPCWSTR szDestPath)
{
CStringW mask(szDestPath);
CStringW ext(PathFindExtensionW(szDestPath));
// cut off extension before inserting a "new file" mask
if (!ext.IsEmpty())
{
mask = mask.Left(mask.GetLength() - ext.GetLength());
}
mask += L" (%d)" + ext;
CStringW newName;
// trying to find new file name
for (int i = 1; i < NEW_FILENAME_ON_COPY_TRIES; i++)
{
newName.Format(mask, i);
if (!PathFileExistsW(newName))
{
return newName;
}
}
return CStringW();
}
static void copy_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWSTR szDestPath)
{
WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
FILE_LIST flFromNew, flToNew;
if (feFrom->szFilename && IsDotDir(feFrom->szFilename))
return;
if (PathFileExistsW(szDestPath))
PathCombineW(szTo, szDestPath, feFrom->szFilename);
else
lstrcpyW(szTo, szDestPath);
if (PathFileExistsW(szTo))
{
if (op->req->fFlags & FOF_RENAMEONCOLLISION)
{
CStringW newPath = try_find_new_name(szTo);
if (!newPath.IsEmpty())
{
StringCchCopyW(szTo, _countof(szTo), newPath);
}
}
else if (!(op->req->fFlags & FOF_NOCONFIRMATION))
{
if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FOLDER, feFrom->szFilename, op))
{
/* Vista returns an ERROR_CANCELLED even if user pressed "No" */
if (!op->bManyItems)
op->bCancelled = TRUE;
return;
}
}
}
szTo[lstrlenW(szTo) + 1] = '\0';
SHNotifyCreateDirectoryW(szTo, NULL);
PathCombineW(szFrom, feFrom->szFullPath, L"*.*");
szFrom[lstrlenW(szFrom) + 1] = '\0';
ZeroMemory(&flFromNew, sizeof(FILE_LIST));
ZeroMemory(&flToNew, sizeof(FILE_LIST));
parse_file_list(&flFromNew, szFrom);
parse_file_list(&flToNew, szTo);
copy_files(op, FALSE, &flFromNew, &flToNew);
destroy_file_list(&flFromNew);
destroy_file_list(&flToNew);
}
static BOOL copy_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCHAR *szTo)
{
if (PathFileExistsW(szTo))
{
if (op->req->fFlags & FOF_RENAMEONCOLLISION)
{
CStringW newPath = try_find_new_name(szTo);
if (!newPath.IsEmpty())
{
return SHNotifyCopyFileW(op, szFrom, newPath, FALSE) == 0;
}
}
else if (!(op->req->fFlags & FOF_NOCONFIRMATION))
{
if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
return FALSE;
}
}
return SHNotifyCopyFileW(op, szFrom, szTo, FALSE) == 0;
}
/* copy a file or directory to another directory */
static void copy_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, const FILE_ENTRY *feTo)
{
if (!PathFileExistsW(feTo->szFullPath))
SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
if (IsAttribFile(feFrom->attributes))
{
WCHAR szDestPath[MAX_PATH];
PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
copy_file_to_file(op, feFrom->szFullPath, szDestPath);
}
else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
copy_dir_to_dir(op, feFrom, feTo->szFullPath);
}
static void create_dest_dirs(LPCWSTR szDestDir)
{
WCHAR dir[MAX_PATH];
LPCWSTR ptr = StrChrW(szDestDir, '\\');
/* make sure all directories up to last one are created */
while (ptr && (ptr = StrChrW(ptr + 1, '\\')))
{
lstrcpynW(dir, szDestDir, ptr - szDestDir + 1);
if (!PathFileExistsW(dir))
SHNotifyCreateDirectoryW(dir, NULL);
}
/* create last directory */
if (!PathFileExistsW(szDestDir))
SHNotifyCreateDirectoryW(szDestDir, NULL);
}
/* the FO_COPY operation */
static HRESULT copy_files(FILE_OPERATION *op, BOOL multiDest, const FILE_LIST *flFrom, FILE_LIST *flTo)
{
DWORD i;
const FILE_ENTRY *entryToCopy;
const FILE_ENTRY *fileDest = &flTo->feFiles[0];
if (flFrom->bAnyDontExist)
return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
if (flTo->dwNumFiles == 0)
{
/* If the destination is empty, SHFileOperation should use the current directory */
WCHAR curdir[MAX_PATH+1];
GetCurrentDirectoryW(MAX_PATH, curdir);
curdir[lstrlenW(curdir)+1] = 0;
destroy_file_list(flTo);
ZeroMemory(flTo, sizeof(FILE_LIST));
parse_file_list(flTo, curdir);
fileDest = &flTo->feFiles[0];
}
if (multiDest)
{
if (flFrom->bAnyFromWildcard)
return ERROR_CANCELLED;
if (flFrom->dwNumFiles != flTo->dwNumFiles)
{
if (flFrom->dwNumFiles != 1 && !IsAttribDir(fileDest->attributes))
return ERROR_CANCELLED;
/* Free all but the first entry. */
for (i = 1; i < flTo->dwNumFiles; i++)
{
HeapFree(GetProcessHeap(), 0, flTo->feFiles[i].szDirectory);
HeapFree(GetProcessHeap(), 0, flTo->feFiles[i].szFilename);
HeapFree(GetProcessHeap(), 0, flTo->feFiles[i].szFullPath);
}
flTo->dwNumFiles = 1;
}
else if (IsAttribDir(fileDest->attributes))
{
for (i = 1; i < flTo->dwNumFiles; i++)
if (!IsAttribDir(flTo->feFiles[i].attributes) ||
!IsAttribDir(flFrom->feFiles[i].attributes))
{
return ERROR_CANCELLED;
}
}
}
else if (flFrom->dwNumFiles != 1)
{
if (flTo->dwNumFiles != 1 && !IsAttribDir(fileDest->attributes))
return ERROR_CANCELLED;
if (PathFileExistsW(fileDest->szFullPath) &&
IsAttribFile(fileDest->attributes))
{
return ERROR_CANCELLED;
}
if (flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
!PathFileExistsW(fileDest->szFullPath))
{
return ERROR_CANCELLED;
}
}
for (i = 0; i < flFrom->dwNumFiles; i++)
{
entryToCopy = &flFrom->feFiles[i];
if ((multiDest) &&
flTo->dwNumFiles > 1)
{
fileDest = &flTo->feFiles[i];
}
if (IsAttribDir(entryToCopy->attributes) &&
!lstrcmpiW(entryToCopy->szFullPath, fileDest->szDirectory))
{
return ERROR_SUCCESS;
}
create_dest_dirs(fileDest->szDirectory);
if (!lstrcmpiW(entryToCopy->szFullPath, fileDest->szFullPath))
{
if (IsAttribFile(entryToCopy->attributes))
return ERROR_NO_MORE_SEARCH_HANDLES;
else
return ERROR_SUCCESS;
}
if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
IsAttribDir(fileDest->attributes))
{
copy_to_dir(op, entryToCopy, fileDest);
}
else if (IsAttribDir(entryToCopy->attributes))
{
copy_dir_to_dir(op, entryToCopy, fileDest->szFullPath);
}
else
{
if (!copy_file_to_file(op, entryToCopy->szFullPath, fileDest->szFullPath))
{
op->req->fAnyOperationsAborted = TRUE;
return ERROR_CANCELLED;
}
}
if (op->progress != NULL)
op->bCancelled |= op->progress->HasUserCancelled();
/* Vista return code. XP would return e.g. ERROR_FILE_NOT_FOUND, ERROR_ALREADY_EXISTS */
if (op->bCancelled)
return ERROR_CANCELLED;
}
/* Vista return code. On XP if the used pressed "No" for the last item,
* ERROR_ARENA_TRASHED would be returned */
return ERROR_SUCCESS;
}
static BOOL confirm_delete_list(HWND hWnd, DWORD fFlags, BOOL fTrash, const FILE_LIST *flFrom)
{
if (flFrom->dwNumFiles > 1)
{
WCHAR tmp[8];
wnsprintfW(tmp, sizeof(tmp)/sizeof(tmp[0]), L"%d", flFrom->dwNumFiles);
return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_MULTIPLE_ITEM:ASK_DELETE_MULTIPLE_ITEM), tmp, NULL);
}
else
{
const FILE_ENTRY *fileEntry = &flFrom->feFiles[0];
if (IsAttribFile(fileEntry->attributes))
return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FILE:ASK_DELETE_FILE), fileEntry->szFullPath, NULL);
else if (!(fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FOLDER:ASK_DELETE_FOLDER), fileEntry->szFullPath, NULL);
}
return TRUE;
}
/* the FO_DELETE operation */
static HRESULT delete_files(FILE_OPERATION *op, const FILE_LIST *flFrom)
{
const FILE_ENTRY *fileEntry;
DWORD i;
BOOL bPathExists;
BOOL bTrash;
if (!flFrom->dwNumFiles)
return ERROR_SUCCESS;
/* Windows also checks only the first item */
bTrash = (op->req->fFlags & FOF_ALLOWUNDO)
&& TRASH_CanTrashFile(flFrom->feFiles[0].szFullPath);
if (!(op->req->fFlags & FOF_NOCONFIRMATION) || (!bTrash && op->req->fFlags & FOF_WANTNUKEWARNING))
if (!confirm_delete_list(op->req->hwnd, op->req->fFlags, bTrash, flFrom))
{
op->req->fAnyOperationsAborted = TRUE;
return 0;
}
/* Check files. Do not delete one if one file does not exists */
for (i = 0; i < flFrom->dwNumFiles; i++)
{
fileEntry = &flFrom->feFiles[i];
if (fileEntry->attributes == (ULONG)-1)
{
// This is a windows 2003 server specific value which has been removed.
// Later versions of windows return ERROR_FILE_NOT_FOUND.
return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
}
}
for (i = 0; i < flFrom->dwNumFiles; i++)
{
bPathExists = TRUE;
fileEntry = &flFrom->feFiles[i];
if (!IsAttribFile(fileEntry->attributes) &&
(op->req->fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
continue;
if (bTrash)
{
BOOL bDelete;
if (TRASH_TrashFile(fileEntry->szFullPath))
{
SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, fileEntry->szFullPath, NULL);
continue;
}
/* Note: Windows silently deletes the file in such a situation, we show a dialog */
if (!(op->req->fFlags & FOF_NOCONFIRMATION) || (op->req->fFlags & FOF_WANTNUKEWARNING))
bDelete = SHELL_ConfirmDialogW(op->req->hwnd, ASK_CANT_TRASH_ITEM, fileEntry->szFullPath, NULL);
else
bDelete = TRUE;
if (!bDelete)
{
op->req->fAnyOperationsAborted = TRUE;
break;
}
}
/* delete the file or directory */
if (IsAttribFile(fileEntry->attributes))
{
bPathExists = (ERROR_SUCCESS == SHNotifyDeleteFileW(op, fileEntry->szFullPath));
}
else
bPathExists = SHELL_DeleteDirectoryW(op, fileEntry->szFullPath, FALSE);
if (!bPathExists)
{
DWORD err = GetLastError();
if (ERROR_FILE_NOT_FOUND == err)
{
// This is a windows 2003 server specific value which ahs been removed.
// Later versions of windows return ERROR_FILE_NOT_FOUND.
return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
}
else
{
return err;
}
}
if (op->progress != NULL)
op->bCancelled |= op->progress->HasUserCancelled();
/* Should fire on progress dialog only */
if (op->bCancelled)
return ERROR_CANCELLED;
}
return ERROR_SUCCESS;
}
static void move_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWSTR szDestPath)
{
WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
FILE_LIST flFromNew, flToNew;
if (feFrom->szFilename && IsDotDir(feFrom->szFilename))
return;
SHNotifyCreateDirectoryW(szDestPath, NULL);
PathCombineW(szFrom, feFrom->szFullPath, L"*.*");
szFrom[lstrlenW(szFrom) + 1] = '\0';
lstrcpyW(szTo, szDestPath);
szTo[lstrlenW(szDestPath) + 1] = '\0';
ZeroMemory(&flFromNew, sizeof(FILE_LIST));
ZeroMemory(&flToNew, sizeof(FILE_LIST));
parse_file_list(&flFromNew, szFrom);
parse_file_list(&flToNew, szTo);
move_files(op, FALSE, &flFromNew, &flToNew);
destroy_file_list(&flFromNew);
destroy_file_list(&flToNew);
if (PathIsDirectoryEmptyW(feFrom->szFullPath))
Win32RemoveDirectoryW(feFrom->szFullPath);
}
static BOOL move_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCHAR *szTo)
{
if (PathFileExistsW(szTo))
{
if (op->req->fFlags & FOF_RENAMEONCOLLISION)
{
CStringW newPath = try_find_new_name(szTo);
if (!newPath.IsEmpty())
{
return SHNotifyMoveFileW(op, szFrom, newPath, FALSE) == 0;
}
}
else if (!(op->req->fFlags & FOF_NOCONFIRMATION))
{
if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
return FALSE;
}
}
return SHNotifyMoveFileW(op, szFrom, szTo, FALSE) == 0;
}
/* moves a file or directory to another directory */
static void move_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, const FILE_ENTRY *feTo)
{
if (feFrom->attributes == INVALID_FILE_ATTRIBUTES)
return;
if (!PathFileExistsW(feTo->szFullPath))
SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
WCHAR szDestPath[MAX_PATH];
PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
if (IsAttribFile(feFrom->attributes))
move_file_to_file(op, feFrom->szFullPath, szDestPath);
else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
move_dir_to_dir(op, feFrom, szDestPath);
}
/* the FO_MOVE operation */
static DWORD move_files(FILE_OPERATION *op, BOOL multiDest, const FILE_LIST *flFrom, const FILE_LIST *flTo)
{
DWORD i;
INT mismatched = 0;
const FILE_ENTRY *entryToMove;
const FILE_ENTRY *fileDest;
if (!flFrom->dwNumFiles)
return ERROR_SUCCESS;
if (!flTo->dwNumFiles)
return ERROR_FILE_NOT_FOUND;
if (flFrom->bAnyDontExist)
return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
if (!(multiDest) &&
flTo->dwNumFiles > 1 && flFrom->dwNumFiles > 1)
{
return ERROR_CANCELLED;
}
if (!(multiDest) &&
!flFrom->bAnyDirectories &&
flFrom->dwNumFiles > flTo->dwNumFiles &&
!(flTo->bAnyDirectories && flTo->dwNumFiles == 1))
{
return ERROR_CANCELLED;
}
if (!PathFileExistsW(flTo->feFiles[0].szDirectory))
return ERROR_CANCELLED;
if (multiDest)
mismatched = flFrom->dwNumFiles - flTo->dwNumFiles;
fileDest = &flTo->feFiles[0];
for (i = 0; i < flFrom->dwNumFiles; i++)
{
entryToMove = &flFrom->feFiles[i];
if (!PathFileExistsW(fileDest->szDirectory))
return ERROR_CANCELLED;
if (multiDest)
{
if (i >= flTo->dwNumFiles)
break;
fileDest = &flTo->feFiles[i];
if (mismatched && !fileDest->bExists)
{
create_dest_dirs(flTo->feFiles[i].szFullPath);
flTo->feFiles[i].bExists = TRUE;
flTo->feFiles[i].attributes = FILE_ATTRIBUTE_DIRECTORY;
}
}
if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
IsAttribDir(fileDest->attributes))
{
move_to_dir(op, entryToMove, fileDest);
}
else if (IsAttribDir(entryToMove->attributes))
{
move_dir_to_dir(op, entryToMove, fileDest->szFullPath);
}
else
{
if (!move_file_to_file(op, entryToMove->szFullPath, fileDest->szFullPath))
{
op->req->fAnyOperationsAborted = TRUE;
return ERROR_CANCELLED;
}
}
if (op->progress != NULL)
op->bCancelled |= op->progress->HasUserCancelled();
/* Should fire on progress dialog only */
if (op->bCancelled)
return ERROR_CANCELLED;
}
if (mismatched > 0)
{
if (flFrom->bAnyDirectories)
return DE_DESTSAMETREE;
else
return DE_SAMEFILE;
}
return ERROR_SUCCESS;
}
/* the FO_RENAME files */
static HRESULT rename_files(FILE_OPERATION *op, const FILE_LIST *flFrom, const FILE_LIST *flTo)
{
const FILE_ENTRY *feFrom;
const FILE_ENTRY *feTo;
if (flFrom->dwNumFiles != 1)
return ERROR_GEN_FAILURE;
if (flTo->dwNumFiles != 1)
return ERROR_CANCELLED;
feFrom = &flFrom->feFiles[0];
feTo= &flTo->feFiles[0];
/* fail if destination doesn't exist */
if (!feFrom->bExists)
return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
/* fail if destination already exists */
if (feTo->bExists)
return ERROR_ALREADY_EXISTS;
return SHNotifyMoveFileW(op, feFrom->szFullPath, feTo->szFullPath, IsAttribDir(feFrom->attributes));
}
/* alert the user if an unsupported flag is used */
static void check_flags(FILEOP_FLAGS fFlags)
{
WORD wUnsupportedFlags = FOF_NO_CONNECTED_ELEMENTS |
FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE |
FOF_WANTMAPPINGHANDLE;
if (fFlags & wUnsupportedFlags)
FIXME("Unsupported flags: %04x\n", fFlags);
}
#define GET_FILENAME(fe) ((fe)->szFilename[0] ? (fe)->szFilename : (fe)->szFullPath)
static DWORD
validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
{
DWORD i, k, dwNumDest;
WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
CStringW strTitle, strText;
const FILE_ENTRY *feFrom;
const FILE_ENTRY *feTo;
UINT wFunc = lpFileOp->wFunc;
HWND hwnd = lpFileOp->hwnd;
dwNumDest = flTo->dwNumFiles;
if (wFunc != FO_COPY && wFunc != FO_MOVE)
return ERROR_SUCCESS;
for (k = 0; k < dwNumDest; ++k)
{
feTo = &flTo->feFiles[k];
for (i = 0; i < flFrom->dwNumFiles; ++i)
{
feFrom = &flFrom->feFiles[i];
StringCbCopyW(szFrom, sizeof(szFrom), feFrom->szFullPath);
StringCbCopyW(szTo, sizeof(szTo), feTo->szFullPath);
if (IsAttribDir(feTo->attributes))
{
PathAppendW(szTo, feFrom->szFilename);
}
// same path?
if (lstrcmpiW(szFrom, szTo) == 0 &&
(wFunc == FO_MOVE || !(lpFileOp->fFlags & FOF_RENAMEONCOLLISION)))
{
if (!(lpFileOp->fFlags & (FOF_NOERRORUI | FOF_SILENT)))
{
if (wFunc == FO_MOVE)
{
strTitle.LoadStringW(IDS_MOVEERRORTITLE);
if (IsAttribDir(feFrom->attributes))
strText.Format(IDS_MOVEERRORSAMEFOLDER, GET_FILENAME(feFrom));
else
strText.Format(IDS_MOVEERRORSAME, GET_FILENAME(feFrom));
}
else
{
strTitle.LoadStringW(IDS_COPYERRORTITLE);
strText.Format(IDS_COPYERRORSAME, GET_FILENAME(feFrom));
return ERROR_SUCCESS;
}
MessageBoxW(hwnd, strText, strTitle, MB_ICONERROR);
return DE_SAMEFILE;
}
return DE_OPCANCELLED;
}
// subfolder?
if (IsAttribDir(feFrom->attributes))
{
size_t cchFrom = PathAddBackslashW(szFrom) - szFrom;
size_t cchTo = PathAddBackslashW(szTo) - szTo;
if (cchFrom < cchTo)
{
WCHAR ch = szTo[cchFrom];
szTo[cchFrom] = 0;
int compare = lstrcmpiW(szFrom, szTo);
szTo[cchFrom] = ch;
if (compare == 0)
{
if (!(lpFileOp->fFlags & (FOF_NOERRORUI | FOF_SILENT)))
{
if (wFunc == FO_MOVE)
{
strTitle.LoadStringW(IDS_MOVEERRORTITLE);
strText.Format(IDS_MOVEERRORSUBFOLDER, GET_FILENAME(feFrom));
}
else
{
strTitle.LoadStringW(IDS_COPYERRORTITLE);
strText.Format(IDS_COPYERRORSUBFOLDER, GET_FILENAME(feFrom));
}
MessageBoxW(hwnd, strText, strTitle, MB_ICONERROR);
return DE_DESTSUBTREE;
}
return DE_OPCANCELLED;
}
}
}
}
}
return ERROR_SUCCESS;
}
/*************************************************************************
* SHFileOperationW [SHELL32.@]
*
* See SHFileOperationA
*/
int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
{
FILE_OPERATION op;
FILE_LIST flFrom, flTo;
int ret = 0;
if (!lpFileOp)
return ERROR_INVALID_PARAMETER;
ret = CoInitialize(NULL);
if (FAILED(ret))
return ret;
lpFileOp->fAnyOperationsAborted = FALSE;
check_flags(lpFileOp->fFlags);
ZeroMemory(&flFrom, sizeof(FILE_LIST));
ZeroMemory(&flTo, sizeof(FILE_LIST));
if ((ret = parse_file_list(&flFrom, lpFileOp->pFrom)))
return ret;
if (lpFileOp->wFunc != FO_DELETE)
parse_file_list(&flTo, lpFileOp->pTo);
ZeroMemory(&op, sizeof(op));
op.req = lpFileOp;
op.totalSize.QuadPart = 0ull;
op.completedSize.QuadPart = 0ull;
op.bManyItems = (flFrom.dwNumFiles > 1);
ret = validate_operation(lpFileOp, &flFrom, &flTo);
if (ret)
goto cleanup;
if (lpFileOp->wFunc != FO_RENAME && !(lpFileOp->fFlags & FOF_SILENT)) {
ret = CoCreateInstance(CLSID_ProgressDialog,
NULL,
CLSCTX_INPROC_SERVER,
IID_PPV_ARG(IProgressDialog, &op.progress));
if (FAILED(ret))
goto cleanup;
op.progress->StartProgressDialog(op.req->hwnd, NULL, PROGDLG_NORMAL & PROGDLG_AUTOTIME, NULL);
_SetOperationTitle(&op);
_FileOpCountManager(&op, &flFrom);
}
switch (lpFileOp->wFunc)
{
case FO_COPY:
ret = copy_files(&op, op.req->fFlags & FOF_MULTIDESTFILES, &flFrom, &flTo);
break;
case FO_DELETE:
ret = delete_files(&op, &flFrom);
break;
case FO_MOVE:
ret = move_files(&op, op.req->fFlags & FOF_MULTIDESTFILES, &flFrom, &flTo);
break;
case FO_RENAME:
ret = rename_files(&op, &flFrom, &flTo);
break;
default:
ret = ERROR_INVALID_PARAMETER;
break;
}
if (op.progress) {
op.progress->StopProgressDialog();
op.progress->Release();
}
cleanup:
destroy_file_list(&flFrom);
if (lpFileOp->wFunc != FO_DELETE)
destroy_file_list(&flTo);
if (ret == ERROR_CANCELLED)
lpFileOp->fAnyOperationsAborted = TRUE;
CoUninitialize();
return ret;
}
// Used by SHFreeNameMappings
static int CALLBACK _DestroyCallback(void *p, void *pData)
{
LPSHNAMEMAPPINGW lp = (SHNAMEMAPPINGW *)p;
SHFree(lp->pszOldPath);
SHFree(lp->pszNewPath);
return TRUE;
}
/*************************************************************************
* SHFreeNameMappings [shell32.246]
*
* Free the mapping handle returned by SHFileOperation if FOF_WANTSMAPPINGHANDLE
* was specified.
*
* PARAMS
* hNameMapping [I] handle to the name mappings used during renaming of files
*
* RETURNS
* Nothing
*/
void WINAPI SHFreeNameMappings(HANDLE hNameMapping)
{
if (hNameMapping)
{
DSA_DestroyCallback((HDSA) hNameMapping, _DestroyCallback, NULL);
}
}
/*************************************************************************
* SheGetDirA [SHELL32.@]
*
* drive = 0: returns the current directory path
* drive > 0: returns the current directory path of the specified drive
* drive=1 -> A: drive=2 -> B: ...
* returns 0 if successful
*/
EXTERN_C DWORD WINAPI SheGetDirA(DWORD drive, LPSTR buffer)
{
WCHAR org_path[MAX_PATH];
DWORD ret;
char drv_path[3];
/* change current directory to the specified drive */
if (drive) {
strcpy(drv_path, "A:");
drv_path[0] += (char)drive-1;
GetCurrentDirectoryW(MAX_PATH, org_path);
SetCurrentDirectoryA(drv_path);
}
/* query current directory path of the specified drive */
ret = GetCurrentDirectoryA(MAX_PATH, buffer);
/* back to the original drive */
if (drive)
SetCurrentDirectoryW(org_path);
if (!ret)
return GetLastError();
return 0;
}
/*************************************************************************
* SheGetDirW [SHELL32.@]
*
* drive = 0: returns the current directory path
* drive > 0: returns the current directory path of the specified drive
* drive=1 -> A: drive=2 -> B: ...
* returns 0 if successful
*/
EXTERN_C DWORD WINAPI SheGetDirW(DWORD drive, LPWSTR buffer)
{
WCHAR org_path[MAX_PATH];
DWORD ret;
char drv_path[3];
/* change current directory to the specified drive */
if (drive)
{
strcpy(drv_path, "A:");
drv_path[0] += (char)drive-1;
GetCurrentDirectoryW(MAX_PATH, org_path);
SetCurrentDirectoryA(drv_path);
}
/* query current directory path of the specified drive */
ret = GetCurrentDirectoryW(MAX_PATH, buffer);
/* back to the original drive */
if (drive)
SetCurrentDirectoryW(org_path);
if (!ret)
return GetLastError();
return 0;
}
/*************************************************************************
* SheChangeDirA [SHELL32.@]
*
* changes the current directory to the specified path
* and returns 0 if successful
*/
EXTERN_C DWORD WINAPI SheChangeDirA(LPSTR path)
{
if (SetCurrentDirectoryA(path))
return 0;
else
return GetLastError();
}
/*************************************************************************
* SheChangeDirW [SHELL32.@]
*
* changes the current directory to the specified path
* and returns 0 if successful
*/
EXTERN_C DWORD WINAPI SheChangeDirW(LPWSTR path)
{
if (SetCurrentDirectoryW(path))
return 0;
else
return GetLastError();
}
/*************************************************************************
* IsNetDrive [SHELL32.66]
*/
EXTERN_C int WINAPI IsNetDrive(int drive)
{
char root[4];
strcpy(root, "A:\\");
root[0] += (char)drive;
return (GetDriveTypeA(root) == DRIVE_REMOTE);
}
/*************************************************************************
* RealDriveType [SHELL32.524]
*/
EXTERN_C INT WINAPI RealDriveType(INT drive, BOOL bQueryNet)
{
char root[] = "A:\\";
root[0] += (char)drive;
return GetDriveTypeA(root);
}
/***********************************************************************
* SHPathPrepareForWriteW (SHELL32.@)
*/
EXTERN_C HRESULT WINAPI SHPathPrepareForWriteW(HWND hwnd, IUnknown *modless, LPCWSTR path, DWORD flags)
{
DWORD res;
DWORD err;
LPCWSTR realpath;
int len;
WCHAR* last_slash;
WCHAR* temppath=NULL;
TRACE("%p %p %s 0x%08x\n", hwnd, modless, debugstr_w(path), flags);
if (flags & ~(SHPPFW_DIRCREATE|SHPPFW_ASKDIRCREATE|SHPPFW_IGNOREFILENAME))
FIXME("unimplemented flags 0x%08x\n", flags);
/* cut off filename if necessary */
if (flags & SHPPFW_IGNOREFILENAME)
{
last_slash = StrRChrW(path, NULL, '\\');
if (last_slash == NULL)
len = 1;
else
len = last_slash - path + 1;
temppath = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!temppath)
return E_OUTOFMEMORY;
StrCpyNW(temppath, path, len);
realpath = temppath;
}
else
{
realpath = path;
}
/* try to create the directory if asked to */
if (flags & (SHPPFW_DIRCREATE|SHPPFW_ASKDIRCREATE))
{
if (flags & SHPPFW_ASKDIRCREATE)
FIXME("treating SHPPFW_ASKDIRCREATE as SHPPFW_DIRCREATE\n");
SHCreateDirectoryExW(0, realpath, NULL);
}
/* check if we can access the directory */
res = GetFileAttributesW(realpath);
HeapFree(GetProcessHeap(), 0, temppath);
if (res == INVALID_FILE_ATTRIBUTES)
{
err = GetLastError();
if (err == ERROR_FILE_NOT_FOUND)
return HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
return HRESULT_FROM_WIN32(err);
}
else if (res & FILE_ATTRIBUTE_DIRECTORY)
return S_OK;
else
return HRESULT_FROM_WIN32(ERROR_DIRECTORY);
}
/***********************************************************************
* SHPathPrepareForWriteA (SHELL32.@)
*/
EXTERN_C HRESULT WINAPI SHPathPrepareForWriteA(HWND hwnd, IUnknown *modless, LPCSTR path, DWORD flags)
{
WCHAR wpath[MAX_PATH];
MultiByteToWideChar( CP_ACP, 0, path, -1, wpath, MAX_PATH);
return SHPathPrepareForWriteW(hwnd, modless, wpath, flags);
}
/*
* The two following background operations were modified from filedefext.cpp
* They use an inordinate amount of mutable state across the string functions,
* so are not easy to follow and care is required when modifying.
*/
DWORD WINAPI
_FileOpCountManager(FILE_OPERATION *op, const FILE_LIST *from)
{
DWORD ticks = GetTickCount();
FILE_ENTRY *entryToCount;
for (UINT i = 0; i < from->dwNumFiles; i++)
{
entryToCount = &from->feFiles[i];
WCHAR theFileName[MAX_PATH];
StringCchCopyW(theFileName, MAX_PATH, entryToCount->szFullPath);
_FileOpCount(op, theFileName, IsAttribDir(entryToCount->attributes), &ticks);
}
return 0;
}
// All path manipulations, even when this function is nested, occur on the one buffer.
static BOOL
_FileOpCount(FILE_OPERATION *op, LPWSTR pwszBuf, BOOL bFolder, DWORD *ticks)
{
/* Find filename position */
UINT cchBuf = wcslen(pwszBuf);
WCHAR *pwszFilename = pwszBuf + cchBuf;
size_t cchFilenameMax = MAX_PATH - cchBuf;
if (!cchFilenameMax)
return FALSE;
if (bFolder) {
*(pwszFilename++) = '\\';
--cchFilenameMax;
/* Find all files, FIXME: shouldn't be "*"? */
StringCchCopyW(pwszFilename, cchFilenameMax, L"*");
}
WIN32_FIND_DATAW wfd;
HANDLE hFind = FindFirstFileW(pwszBuf, &wfd);
if (hFind == INVALID_HANDLE_VALUE)
{
ERR("FindFirstFileW %ls failed\n", pwszBuf);
return FALSE;
}
do
{
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
/* Don't process "." and ".." items */
if (!wcscmp(wfd.cFileName, L".") || !wcscmp(wfd.cFileName, L".."))
continue;
StringCchCopyW(pwszFilename, cchFilenameMax, wfd.cFileName);
_FileOpCount(op, pwszBuf, TRUE, ticks);
}
else
{
ULARGE_INTEGER FileSize;
FileSize.u.LowPart = wfd.nFileSizeLow;
FileSize.u.HighPart = wfd.nFileSizeHigh;
op->totalSize.QuadPart += FileSize.QuadPart;
}
if (GetTickCount() - *ticks > (DWORD) 500)
{
// Check if the dialog has ended. If it has, we'll spin down.
if (op->progress != NULL)
op->bCancelled = op->progress->HasUserCancelled();
if (op->bCancelled)
break;
*ticks = GetTickCount();
}
} while(FindNextFileW(hFind, &wfd));
FindClose(hFind);
return TRUE;
}
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