text: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "memory_region.h"
  
  #include <stdint.h>
  #include <string.h>
  
  namespace art {
  
  void MemoryRegion::CopyFrom(size_t offset, const MemoryRegion& from) const {
    CHECK(from.pointer() != nullptr);
    CHECK_GT(from.size(), 0U);
    CHECK_GE(this->size(), from.size());
    CHECK_LE(offset, this->size() - from.size());
    memmove(reinterpret_cast<void*>(begin() + offset), from.pointer(), from.size());
  }
  
  }  // namespace art
  