File errno.hpp

File List > include > nebula_common > util > errno.hpp
// Copyright 2025 TIER IV, Inc.
//
// 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.

#pragma once

#include <array>
#include <cstring>
#include <string>

namespace nebula::util
{

inline std::string errno_to_string(int err_no)
{
  static constexpr size_t gnu_max_strerror_length = 1024;
  std::array<char, gnu_max_strerror_length> msg_buf;  // NOLINT
  std::string_view msg = strerror_r(err_no, msg_buf.data(), msg_buf.size());
  return std::string{msg};
}

}  // namespace nebula::util