1    :  // Copyright 2015 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  
  15    :  #include "syzygy/refinery/core/address.h"
  16    :  
  17    :  #include "base/numerics/safe_math.h"
  18    :  
  19  m :  namespace refinery {
  20    :  
  21  m :  bool AddressRange::IsValid() const {
  22  m :    if (!size())
  23  m :      return false;
  24    :  
  25  m :    base::CheckedNumeric<Address> range_end = start();
  26  m :    range_end += size();
  27  m :    return range_end.IsValid();
  28  m :  }
  29    :  
  30  m :  }  // namespace refinery