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 #include <grpc/support/port_platform.h> 20 21 #ifdef GPR_POSIX_ENV 22 23 #include "src/core/lib/gpr/env.h" 24 25 #include <stdlib.h> 26 27 #include <grpc/support/log.h> 28 29 #include <grpc/support/string_util.h> 30 #include "src/core/lib/gpr/string.h" 31 gpr_getenv(const char * name)32char* gpr_getenv(const char* name) { 33 char* result = getenv(name); 34 return result == nullptr ? result : gpr_strdup(result); 35 } 36 gpr_setenv(const char * name,const char * value)37void gpr_setenv(const char* name, const char* value) { 38 int res = setenv(name, value, 1); 39 GPR_ASSERT(res == 0); 40 } 41 gpr_unsetenv(const char * name)42void gpr_unsetenv(const char* name) { 43 int res = unsetenv(name); 44 GPR_ASSERT(res == 0); 45 } 46 47 #endif /* GPR_POSIX_ENV */ 48