2 * Copyright 2015 Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 // Copyright 2013-present Facebook. All Rights Reserved.
17 // @author: Pavlo Kushnir (pavlo)
19 #ifndef FOLLY_EXPERIMENTAL_STRINGKEYEDCOMMON_H_
20 #define FOLLY_EXPERIMENTAL_STRINGKEYEDCOMMON_H_
23 #include <folly/Range.h>
27 template <class Alloc>
28 StringPiece stringPieceDup(StringPiece piece, const Alloc& alloc) {
29 auto size = piece.size();
30 auto keyDup = typename Alloc::template rebind<char>::other(alloc)
32 memcpy(keyDup, piece.data(), size * sizeof(typename StringPiece::value_type));
33 return StringPiece(keyDup, size);
36 template <class Alloc>
37 void stringPieceDel(StringPiece piece, const Alloc& alloc) {
38 typename Alloc::template rebind<char>::other(alloc)
39 .deallocate(const_cast<char*>(piece.data()), piece.size());
44 #endif /* FOLLY_EXPERIMENTAL_STRINGKEYEDCOMMON_H_ */