1 /*
2 * Copyright (C) 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 #include "memory_region.h"
18
19 #include <stdint.h>
20 #include <string.h>
21
22 namespace art {
23
CopyFrom(size_t offset,const MemoryRegion & from) const24 void MemoryRegion::CopyFrom(size_t offset, const MemoryRegion& from) const {
25 CHECK(from.pointer() != nullptr);
26 CHECK_GT(from.size(), 0U);
27 CHECK_GE(this->size(), from.size());
28 CHECK_LE(offset, this->size() - from.size());
29 memmove(reinterpret_cast<void*>(begin() + offset), from.pointer(), from.size());
30 }
31
32 } // namespace art
33