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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.
#ifndef BAZEL_SRC_MAIN_CPP_UTIL_FILE_PLATFORM_H_
#define BAZEL_SRC_MAIN_CPP_UTIL_FILE_PLATFORM_H_
#include <string>
namespace blaze_util {
// Checks each element of the PATH variable for executable. If none is found, ""
// is returned. Otherwise, the full path to executable is returned. Can die if
// looking up PATH fails.
std::string Which(const std::string &executable);
// Returns true if this path exists.
bool PathExists(const std::string& path);
// Returns true if the path exists and can be accessed to read/write as desired.
//
// If `exec` is true and the path refers to a file, it means the file must be
// executable; if the path is a directory, it means the directory must be
// openable.
bool CanAccess(const std::string& path, bool read, bool write, bool exec);
// Returns the current working directory.
std::string GetCwd();
// Changes the current working directory to `path`, returns true upon success.
bool ChangeDirectory(const std::string& path);
} // namespace blaze_util
#endif // BAZEL_SRC_MAIN_CPP_UTIL_FILE_PLATFORM_H_
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