1*9356374aSAndroid Build Coastguard Worker // Copyright 2020 The Abseil Authors. 2*9356374aSAndroid Build Coastguard Worker // 3*9356374aSAndroid Build Coastguard Worker // Licensed under the Apache License, Version 2.0 (the "License"); 4*9356374aSAndroid Build Coastguard Worker // you may not use this file except in compliance with the License. 5*9356374aSAndroid Build Coastguard Worker // You may obtain a copy of the License at 6*9356374aSAndroid Build Coastguard Worker // 7*9356374aSAndroid Build Coastguard Worker // https://www.apache.org/licenses/LICENSE-2.0 8*9356374aSAndroid Build Coastguard Worker // 9*9356374aSAndroid Build Coastguard Worker // Unless required by applicable law or agreed to in writing, software 10*9356374aSAndroid Build Coastguard Worker // distributed under the License is distributed on an "AS IS" BASIS, 11*9356374aSAndroid Build Coastguard Worker // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*9356374aSAndroid Build Coastguard Worker // See the License for the specific language governing permissions and 13*9356374aSAndroid Build Coastguard Worker // limitations under the License. 14*9356374aSAndroid Build Coastguard Worker 15*9356374aSAndroid Build Coastguard Worker #ifndef ABSL_BASE_INTERNAL_STRERROR_H_ 16*9356374aSAndroid Build Coastguard Worker #define ABSL_BASE_INTERNAL_STRERROR_H_ 17*9356374aSAndroid Build Coastguard Worker 18*9356374aSAndroid Build Coastguard Worker #include <string> 19*9356374aSAndroid Build Coastguard Worker 20*9356374aSAndroid Build Coastguard Worker #include "absl/base/config.h" 21*9356374aSAndroid Build Coastguard Worker 22*9356374aSAndroid Build Coastguard Worker namespace absl { 23*9356374aSAndroid Build Coastguard Worker ABSL_NAMESPACE_BEGIN 24*9356374aSAndroid Build Coastguard Worker namespace base_internal { 25*9356374aSAndroid Build Coastguard Worker 26*9356374aSAndroid Build Coastguard Worker // A portable and thread-safe alternative to C89's `strerror`. 27*9356374aSAndroid Build Coastguard Worker // 28*9356374aSAndroid Build Coastguard Worker // The C89 specification of `strerror` is not suitable for use in a 29*9356374aSAndroid Build Coastguard Worker // multi-threaded application as the returned string may be changed by calls to 30*9356374aSAndroid Build Coastguard Worker // `strerror` from another thread. The many non-stdlib alternatives differ 31*9356374aSAndroid Build Coastguard Worker // enough in their names, availability, and semantics to justify this wrapper 32*9356374aSAndroid Build Coastguard Worker // around them. `errno` will not be modified by a call to `absl::StrError`. 33*9356374aSAndroid Build Coastguard Worker std::string StrError(int errnum); 34*9356374aSAndroid Build Coastguard Worker 35*9356374aSAndroid Build Coastguard Worker } // namespace base_internal 36*9356374aSAndroid Build Coastguard Worker ABSL_NAMESPACE_END 37*9356374aSAndroid Build Coastguard Worker } // namespace absl 38*9356374aSAndroid Build Coastguard Worker 39*9356374aSAndroid Build Coastguard Worker #endif // ABSL_BASE_INTERNAL_STRERROR_H_ 40