1 /* 2 * 3 * Copyright 2017 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_GPRPP_MEMORY_H 20 #define GRPC_CORE_LIB_GPRPP_MEMORY_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <grpc/support/alloc.h> 25 #include <grpc/support/log.h> 26 27 #include <limits> 28 #include <memory> 29 #include <utility> 30 31 #include "absl/memory/memory.h" 32 33 namespace grpc_core { 34 35 class DefaultDeleteChar { 36 public: operator()37 void operator()(char* p) { 38 if (p == nullptr) return; 39 gpr_free(p); 40 } 41 }; 42 43 // UniquePtr<T> is only allowed for char and UniquePtr<char> is deprecated 44 // in favor of std::string. UniquePtr<char> is equivalent std::unique_ptr 45 // except that it uses gpr_free for deleter. 46 template <typename T> 47 using UniquePtr = std::unique_ptr<T, DefaultDeleteChar>; 48 49 } // namespace grpc_core 50 51 #endif /* GRPC_CORE_LIB_GPRPP_MEMORY_H */ 52