| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/file.h" |
| |
| #include <windows.h> |
| |
| #include "starboard/shared/win32/file_internal.h" |
| #include "starboard/shared/win32/wchar_utils.h" |
| |
| bool SbFileCanOpen(const char* path, int flags) { |
| if ((path == nullptr) || (path[0] == '\0')) { |
| return false; |
| } |
| |
| bool can_read = flags & kSbFileRead; |
| bool can_write = flags & kSbFileWrite; |
| if (!can_read && !can_write) { |
| return false; |
| } |
| |
| std::wstring path_wstring = starboard::shared::win32::CStringToWString(path); |
| WIN32_FIND_DATA find_data = {0}; |
| |
| HANDLE search_handle = FindFirstFileExW( |
| path_wstring.c_str(), FindExInfoStandard, &find_data, |
| FindExSearchNameMatch, NULL, FIND_FIRST_EX_CASE_SENSITIVE); |
| if (!starboard::shared::win32::IsValidHandle(search_handle)) { |
| return false; |
| } |
| |
| bool can_open = true; |
| |
| if (((find_data.dwFileAttributes & FILE_ATTRIBUTE_READONLY) && can_write) || |
| !starboard::shared::win32::PathEndsWith(path_wstring, find_data.cFileName)) { |
| can_open = false; |
| } |
| |
| FindClose(search_handle); |
| |
| return can_open; |
| } |