// Copyright 2020 The Abseil Authors. // // 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 // // https://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 ABSL_BASE_INTERNAL_STRERROR_H_ #define ABSL_BASE_INTERNAL_STRERROR_H_ #include <string> #include "absl/base/config.h" namespace absl { ABSL_NAMESPACE_BEGIN namespace base_internal { // A portable and thread-safe alternative to C89's `strerror`. // // The C89 specification of `strerror` is not suitable for use in a // multi-threaded application as the returned string may be changed by calls to // `strerror` from another thread. The many non-stdlib alternatives differ // enough in their names, availability, and semantics to justify this wrapper // around them. `errno` will not be modified by a call to `absl::StrError`. std::string StrError(int errnum); } // namespace base_internal ABSL_NAMESPACE_END } // namespace absl #endif // ABSL_BASE_INTERNAL_STRERROR_H_