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// Copyright 2016 The Bazel 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 <windows.h>
#include <memory>
#include "src/main/native/windows_file_operations.h"
#include "src/main/native/windows_util.h"
namespace windows_util {
using std::unique_ptr;
int IsJunctionOrDirectorySymlink(const WCHAR* path) {
DWORD attrs = ::GetFileAttributesW(path);
if (attrs == INVALID_FILE_ATTRIBUTES) {
return IS_JUNCTION_ERROR;
} else {
if ((attrs & FILE_ATTRIBUTE_DIRECTORY) &&
(attrs & FILE_ATTRIBUTE_REPARSE_POINT)) {
return IS_JUNCTION_YES;
} else {
return IS_JUNCTION_NO;
}
}
}
bool GetLongPath(const WCHAR* path, unique_ptr<WCHAR[]>* result) {
DWORD size = ::GetLongPathNameW(path, NULL, 0);
if (size == 0) {
return false;
}
result->reset(new WCHAR[size]);
::GetLongPathNameW(path, result->get(), size);
return true;
}
} // namespace windows_util
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