1/*
2 * Copyright 2011, The Android Open Source Project
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
17#ifndef TRAITS_H
18#define TRAITS_H
19
20#include <stddef.h>
21
22template <typename Type>
23struct TypeTraits {
24private:
25  struct AlignmentTest {
26    char pending;
27    Type element;
28  };
29
30public:
31  enum { size = sizeof(Type) };
32  enum { align = offsetof(AlignmentTest, element) };
33};
34
35#define TYPE_TRAITS_SPECIALIZE(TYPE, SIZE, ALIGN) \
36template <> \
37struct TypeTraits<TYPE> { \
38  enum { size = SIZE }; \
39  enum { align = ALIGN }; \
40};
41
42#endif // TRAITS_H
43