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Modify ANSI functions to allocate intermediate Unicode strings on the 

heap instead of stack.
This commit is contained in:
Rolf Kalbermatter 2004-10-18 21:45:16 +00:00 committed by Alexandre Julliard
parent fea27b1348
commit 20952a5d23
1 changed files with 102 additions and 84 deletions
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186
dlls/shell32/shlfileop.c
View File

@ -45,18 +45,18 @@
WINE_DEFAULT_DEBUG_CHANNEL(shell);
#define IsAttribFile(x) (!(x == -1) && !(x & FILE_ATTRIBUTE_DIRECTORY))
#define IsAttribDir(x) (!(x == -1) && (x & FILE_ATTRIBUTE_DIRECTORY))
#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
static const CHAR aWildcardFile[] = {'*','.','*',0};
static const WCHAR wWildcardFile[] = {'*','.','*',0};
static const WCHAR wWildcardFile[] = {'*',0};
static const WCHAR wWildcardChars[] = {'*','?',0};
static const WCHAR wBackslash[] = {'\\',0};
static BOOL SHELL_DeleteDirectoryW(LPCWSTR pszDir, BOOL bShowUI);
static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec);
static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
static DWORD SHNotifyRemoveDirectoryA(LPCSTR path);
@ -130,6 +130,27 @@ BOOL SHELL_ConfirmDialogW(int nKindOfDialog, LPCWSTR szDir)
return (IDOK == MessageBoxW(GetActiveWindow(), szBuffer, szCaption, MB_OKCANCEL | MB_ICONEXCLAMATION));
}
static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minlen)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
if (len < minlen)
len = minlen;
*wPath = HeapAlloc(GetProcessHeap(), 0, len);
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);
}
/**************************************************************************
* SHELL_DeleteDirectoryA() [internal]
*
@ -137,40 +158,18 @@ BOOL SHELL_ConfirmDialogW(int nKindOfDialog, LPCWSTR szDir)
*/
BOOL SHELL_DeleteDirectoryA(LPCSTR pszDir, BOOL bShowUI)
{
BOOL ret = TRUE;
HANDLE hFind;
WIN32_FIND_DATAA wfd;
char szTemp[MAX_PATH];
LPWSTR wPath;
BOOL ret = FALSE;
/* Make sure the directory exists before eventually prompting the user */
PathCombineA(szTemp, pszDir, aWildcardFile);
hFind = FindFirstFileA(szTemp, &wfd);
if (hFind == INVALID_HANDLE_VALUE)
return FALSE;
if (!bShowUI || (ret = SHELL_ConfirmDialog(ASK_DELETE_FOLDER, pszDir)))
if (!SHELL32_AnsiToUnicodeBuf(pszDir, &wPath, 0))
{
do
{
LPSTR lp = wfd.cAlternateFileName;
if (!lp[0])
lp = wfd.cFileName;
if (IsDotDir(lp))
continue;
PathCombineA(szTemp, pszDir, lp);
if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
ret = SHELL_DeleteDirectoryA(szTemp, FALSE);
else
ret = (SHNotifyDeleteFileA(szTemp) == ERROR_SUCCESS);
} while (ret && FindNextFileA(hFind, &wfd));
ret = SHELL_DeleteDirectoryW(wPath, bShowUI);
SHELL32_FreeUnicodeBuf(wPath);
}
FindClose(hFind);
if (ret)
ret = (SHNotifyRemoveDirectoryA(pszDir) == ERROR_SUCCESS);
return ret;
}
BOOL SHELL_DeleteDirectoryW(LPCWSTR pszDir, BOOL bShowUI)
static BOOL SHELL_DeleteDirectoryW(LPCWSTR pszDir, BOOL bShowUI)
{
BOOL ret = TRUE;
HANDLE hFind;
@ -241,11 +240,18 @@ BOOL SHELL_DeleteFileW(LPCWSTR pszFile, BOOL bShowUI)
*/
static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec)
{
WCHAR wPath[MAX_PATH];
LPWSTR wPath;
DWORD retCode;
TRACE("(%s, %p)\n", debugstr_a(path), sec);
MultiByteToWideChar(CP_ACP, 0, path, -1, wPath, MAX_PATH);
return SHNotifyCreateDirectoryW(wPath, sec);
retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
if (!retCode)
{
retCode = SHNotifyCreateDirectoryW(wPath, sec);
SHELL32_FreeUnicodeBuf(wPath);
}
return retCode;
}
/**********************************************************************/
@ -254,19 +260,6 @@ static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
{
TRACE("(%s, %p)\n", debugstr_w(path), sec);
if (StrPBrkW(path, wWildcardChars))
{
/* FIXME: This test is currently necessary since our CreateDirectory
implementation does create directories with wildcard characters
without objection!! Once this is fixed, this here can go away. */
SetLastError(ERROR_INVALID_NAME);
#ifdef W98_FO_FUNCTION /* W98 */
return ERROR_FILE_NOT_FOUND;
#else
return ERROR_INVALID_NAME;
#endif
}
if (CreateDirectoryW(path, sec))
{
SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
@ -302,11 +295,18 @@ BOOL WINAPI Win32CreateDirectoryAW(LPCVOID path, LPSECURITY_ATTRIBUTES sec)
static DWORD SHNotifyRemoveDirectoryA(LPCSTR path)
{
WCHAR wPath[MAX_PATH];
LPWSTR wPath;
DWORD retCode;
TRACE("(%s)\n", debugstr_a(path));
MultiByteToWideChar(CP_ACP, 0, path, -1, wPath, MAX_PATH);
return SHNotifyRemoveDirectoryW(wPath);
retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
if (!retCode)
{
retCode = SHNotifyRemoveDirectoryW(wPath);
SHELL32_FreeUnicodeBuf(wPath);
}
return retCode;
}
/***********************************************************************/
@ -321,7 +321,7 @@ static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
{
/* Directory may be write protected */
DWORD dwAttr = GetFileAttributesW(path);
if (dwAttr != -1 && dwAttr & FILE_ATTRIBUTE_READONLY)
if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
ret = RemoveDirectoryW(path);
}
@ -360,11 +360,18 @@ BOOL WINAPI Win32RemoveDirectoryAW(LPCVOID path)
static DWORD SHNotifyDeleteFileA(LPCSTR path)
{
WCHAR wPath[MAX_PATH];
LPWSTR wPath;
DWORD retCode;
TRACE("(%s)\n", debugstr_a(path));
MultiByteToWideChar(CP_ACP, 0, path, -1, wPath, MAX_PATH);
return SHNotifyDeleteFileW(wPath);
retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
if (!retCode)
{
retCode = SHNotifyDeleteFileW(wPath);
SHELL32_FreeUnicodeBuf(wPath);
}
return retCode;
}
/***********************************************************************/
@ -380,7 +387,7 @@ static DWORD SHNotifyDeleteFileW(LPCWSTR path)
{
/* File may be write protected or a system file */
DWORD dwAttr = GetFileAttributesW(path);
if ((dwAttr != -1) && (dwAttr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
ret = DeleteFileW(path);
}
@ -421,25 +428,12 @@ static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest, BOOL bRename)
TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bRename ? "renameIfExists" : "");
if (StrPBrkW(dest, wWildcardChars))
{
/* FIXME: This test is currently necessary since our MoveFile
implementation does create files with wildcard characters
without objection!! Once this is fixed, this here can go away. */
SetLastError(ERROR_INVALID_NAME);
#ifdef W98_FO_FUNCTION /* W98 */
return ERROR_FILE_NOT_FOUND;
#else
return ERROR_INVALID_NAME;
#endif
}
ret = MoveFileW(src, dest);
if (!ret)
{
/* Source file may be write protected or a system file */
DWORD dwAttr = GetFileAttributesW(src);
if ((dwAttr != -1) && (dwAttr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
ret = MoveFileW(src, dest);
@ -447,7 +441,7 @@ static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest, BOOL bRename)
{
/* Destination file probably exists */
dwAttr = GetFileAttributesW(dest);
if (dwAttr != -1)
if (dwAttr != INVALID_FILE_ATTRIBUTES)
{
FIXME("Rename on move to existing file not implemented!\n");
}
@ -486,7 +480,7 @@ static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bRename)
{
/* Destination file probably exists */
DWORD dwAttr = GetFileAttributesW(dest);
if (dwAttr != -1)
if (dwAttr != INVALID_FILE_ATTRIBUTES)
{
FIXME("Rename on copy to existing file not implemented!\n");
}
@ -502,7 +496,9 @@ static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bRename)
/*************************************************************************
* SHCreateDirectory [SHELL32.165]
*
* Create a directory at the specified location
* 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]
@ -512,6 +508,8 @@ static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bRename)
* ERRROR_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_INVLID_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
*
@ -530,28 +528,47 @@ DWORD WINAPI SHCreateDirectory(HWND hWnd, LPCVOID path)
/*************************************************************************
* SHCreateDirectoryExA [SHELL32.@]
*
* Create a directory at the specified location
* 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
* hWnd [I]
* path [I] path of directory to create
* sec [I] security attributes to use or NULL
*
* RETURNS
* ERRROR_SUCCESS or one of the following values:
* ERROR_BAD_PATHNAME if the path is relative
* ERORO_INVALID_NAME if the path contains invalid chars
* ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
* ERROR_INVLID_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 to long to process
*
* FIXME: Not implemented yet;
* SHCreateDirectoryEx also verifies that the files will be visible. 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)
{
WCHAR wPath[MAX_PATH];
TRACE("(%p, %s, %p)\n",hWnd, debugstr_a(path), sec);
LPWSTR wPath;
DWORD retCode;
MultiByteToWideChar(CP_ACP, 0, path, -1, wPath, MAX_PATH);
return SHCreateDirectoryExW(hWnd, wPath, sec);
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;
}
/*************************************************************************
@ -560,7 +577,7 @@ int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES se
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);
TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
if (PathIsRelativeW(path))
{
@ -569,6 +586,7 @@ int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES s
else
{
ret = SHNotifyCreateDirectoryW(path, sec);
/* Refuse to work on certain error codes before trying to create directories recursively */
if (ret != ERROR_FILE_EXISTS &&
ret != ERROR_ALREADY_EXISTS &&
ret != ERROR_FILENAME_EXCED_RANGE)