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 | |