1    :  // Copyright 2011 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/pdb/pdb_stream.h"
  16    :  
  17    :  namespace {
  18    :  
  19    :  const size_t kInvalidLength = 0xFFFFFFFF;
  20    :  
  21    :  }  // namespace
  22    :  
  23    :  namespace pdb {
  24    :  
  25    :  PdbStream::PdbStream(size_t length)
  26  E :      : length_(length == kInvalidLength ? 0 : length), pos_(0) {
  27  E :  }
  28    :  
  29  E :  PdbStream::~PdbStream() {
  30  E :  }
  31    :  
  32  E :  bool PdbStream::Seek(size_t pos) {
  33  E :    if (pos > length_)
  34  E :      return false;
  35    :  
  36  E :    pos_ = pos;
  37  E :    return true;
  38  E :  }
  39    :  
  40    :  }  // namespace pdb