scoped_set_env.h
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1 //
2 // Copyright 2019 The Abseil Authors.
3 //
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
7 //
8 // https://www.apache.org/licenses/LICENSE-2.0
9 //
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.
15 //
16 
17 #ifndef ABSL_BASE_INTERNAL_SCOPED_SET_ENV_H_
18 #define ABSL_BASE_INTERNAL_SCOPED_SET_ENV_H_
19 
20 #include <string>
21 
22 namespace absl {
23 namespace base_internal {
24 
25 class ScopedSetEnv {
26  public:
27  ScopedSetEnv(const char* var_name, const char* new_value);
28  ~ScopedSetEnv();
29 
30  private:
31  std::string var_name_;
32  std::string old_value_;
33 
34  // True if the environment variable was initially not set.
35  bool was_unset_;
36 };
37 
38 } // namespace base_internal
39 } // namespace absl
40 
41 #endif // ABSL_BASE_INTERNAL_SCOPED_SET_ENV_H_
ScopedSetEnv(const char *var_name, const char *new_value)
Definition: algorithm.h:29


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autogenerated on Tue Jun 18 2019 19:44:37