windir.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:4k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include <stdio.h>
- #include <stdlib.h>
- #include "hlxclib/errno.h"
- #include "hlxclib/io.h"
- #include "hxtypes.h"
- #include "hxstrutl.h"
- #include "hxdirlist.h"
- #include "windir.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- Dir_list*
- Dir_list::create(const char* path)
- {
- return new Windows_dir_list(path);
- }
- Windows_dir_list::Windows_dir_list(const char* path) :
- _file_handle(INVALID_HANDLE_VALUE),
- _cur_filename(0),
- _next_error(0),
- _path(new_string(path))
- {
- char new_path[_MAX_PATH+10]; /* Flawfinder: ignore */
- SafeSprintf(new_path, _MAX_PATH+10, "%s\*.*", _path);
-
- _file_handle = FindFirstFile(OS_STRING(new_path), &_file_info);
- if (_file_handle == INVALID_HANDLE_VALUE)
- _error = EINVAL;
- }
- Windows_dir_list::~Windows_dir_list()
- {
- delete[] _path;
- delete[] _cur_filename;
- if (_file_handle != INVALID_HANDLE_VALUE)
- FindClose(_file_handle);
- }
- const char* Windows_dir_list::get_next()
- {
- char* return_value;
-
- if (_next_error != 0)
- {
- _error = _next_error;
- return 0;
- }
- delete [] _cur_filename;
- _cur_filename = new_string(OS_STRING(_file_info.cFileName));
- return_value = _cur_filename;
- if (FindNextFile(_file_handle,&_file_info) == 0)
- _next_error = ENOENT;
- return return_value;
- }
- int
- Windows_dir_list::valid_file_name(const char* name)
- {
- if ( (strcmp(name, "..") == 0) || (strcmp(name, ".") == 0) )
- {
- return 0;
- }
- return 1;
- }
- int
- Windows_dir_list::is_empty()
- {
- int isEmpty = 1;
- char new_path[_MAX_PATH+10]; /* Flawfinder: ignore */
- HANDLE f_handle = INVALID_HANDLE_VALUE;
- WIN32_FIND_DATA f_info;
- SafeSprintf(new_path, _MAX_PATH+10, "%s/*.*", _path);
- f_handle = FindFirstFile(OS_STRING(new_path), &f_info);
- if (f_handle == INVALID_HANDLE_VALUE)
- {
- do
- {
- if (valid_file_name(OS_STRING(f_info.cFileName)))
- isEmpty = 0;
- }
- while (isEmpty && (FindNextFile(f_handle, &f_info) != 0));
-
- }
- else
- _error = EINVAL;
- FindClose(f_handle);
- return isEmpty;
- }