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/*
*
* 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_SUPPORT_ENV_H
#define GRPC_CORE_LIB_SUPPORT_ENV_H
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Env utility functions */
/* Gets the environment variable value with the specified name.
Returns a newly allocated string. It is the responsability of the caller to
gpr_free the return value if not NULL (which means that the environment
variable exists). */
char* gpr_getenv(const char* name);
/* Sets the the environment with the specified name to the specified value. */
void gpr_setenv(const char* name, const char* value);
/* This is a version of gpr_getenv that does not produce any output if it has to
use an insecure version of the function. It is ONLY to be used to solve the
problem in which we need to check an env variable to configure the verbosity
level of logging. So DO NOT USE THIS. */
const char* gpr_getenv_silent(const char* name, char** dst);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_LIB_SUPPORT_ENV_H */
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