2 // Copyright 2019 The Abseil Authors.
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // https://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
17 #ifndef ABSL_BASE_INTERNAL_SCOPED_SET_ENV_H_
18 #define ABSL_BASE_INTERNAL_SCOPED_SET_ENV_H_
23 namespace base_internal {
27 ScopedSetEnv(const char* var_name, const char* new_value);
31 std::string var_name_;
32 std::string old_value_;
34 // True if the environment variable was initially not set.
38 } // namespace base_internal
41 #endif // ABSL_BASE_INTERNAL_SCOPED_SET_ENV_H_