1 /*
2 * Copyright (C) 2015 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 ANDROID_BASE_MEMORY_H
18 #define ANDROID_BASE_MEMORY_H
19
20 namespace android {
21 namespace base {
22
23 // Use memcpy for access to unaligned data on targets with alignment
24 // restrictions. The compiler will generate appropriate code to access these
25 // structures without generating alignment exceptions.
26 template <typename T>
get_unaligned(const void * address)27 static inline T get_unaligned(const void* address) {
28 T result;
29 memcpy(&result, address, sizeof(T));
30 return result;
31 }
32
33 template <typename T>
put_unaligned(void * address,T v)34 static inline void put_unaligned(void* address, T v) {
35 memcpy(address, &v, sizeof(T));
36 }
37
38 } // namespace base
39 } // namespace android
40
41 #endif // ANDROID_BASE_MEMORY_H
42