| 1 | /* |
| 2 | * Copyright 2015-present Facebook, Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | // Copyright 2013-present Facebook. All Rights Reserved. |
| 17 | // @author: Pavlo Kushnir (pavlo) |
| 18 | |
| 19 | #pragma once |
| 20 | |
| 21 | #include <memory> |
| 22 | |
| 23 | #include <folly/Range.h> |
| 24 | |
| 25 | namespace folly { |
| 26 | |
| 27 | template <class Alloc> |
| 28 | StringPiece stringPieceDup(StringPiece piece, const Alloc& alloc) { |
| 29 | auto size = piece.size(); |
| 30 | auto keyDup = |
| 31 | typename Alloc::template rebind<char>::other(alloc).allocate(size); |
| 32 | if (size) { |
| 33 | memcpy( |
| 34 | keyDup, piece.data(), size * sizeof(typename StringPiece::value_type)); |
| 35 | } |
| 36 | return StringPiece(keyDup, size); |
| 37 | } |
| 38 | |
| 39 | template <class Alloc> |
| 40 | void stringPieceDel(StringPiece piece, const Alloc& alloc) { |
| 41 | typename Alloc::template rebind<char>::other(alloc).deallocate( |
| 42 | const_cast<char*>(piece.data()), piece.size()); |
| 43 | } |
| 44 | |
| 45 | } // namespace folly |
| 46 | |