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Contents
/*
*
* Copyright 2015 gRPC 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
*
* 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.
*
*/
#ifndef GRPC_CORE_LIB_GPRPP_ENV_H
#define GRPC_CORE_LIB_GPRPP_ENV_H
#include <grpc/support/port_platform.h>
#include <string>
#include "absl/types/optional.h"
namespace grpc_core {
// Gets the environment variable value with the specified name. */
absl::optional<std::string> GetEnv(const char* name);
/* Sets the environment with the specified name to the specified value. */
void SetEnv(const char* name, const char* value);
inline void SetEnv(const char* name, const std::string& value) {
SetEnv(name, value.c_str());
}
/* Deletes the variable name from the environment. */
void UnsetEnv(const char* name);
template <typename T>
void SetOrUnsetEnv(const char* name, const absl::optional<T>& value) {
if (value.has_value()) {
SetEnv(name, value.value());
} else {
UnsetEnv(name);
}
}
} // namespace grpc_core
#endif /* GRPC_CORE_LIB_GPRPP_ENV_H */
Version data entries
10 entries across 10 versions & 2 rubygems