1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_CORE_LIB_GPR_ENV_H 20 #define GRPC_CORE_LIB_GPR_ENV_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <stdio.h> 25 26 /* Env utility functions */ 27 28 /* Gets the environment variable value with the specified name. 29 Returns a newly allocated string. It is the responsibility of the caller to 30 gpr_free the return value if not NULL (which means that the environment 31 variable exists). */ 32 char* gpr_getenv(const char* name); 33 34 /* Sets the environment with the specified name to the specified value. */ 35 void gpr_setenv(const char* name, const char* value); 36 37 /* Deletes the variable name from the environment. */ 38 void gpr_unsetenv(const char* name); 39 40 #endif /* GRPC_CORE_LIB_GPR_ENV_H */ 41