// 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.
//
// Copyright 2005-2010 Google, Inc.
// Author: allauzen@google.com (Cyril Allauzen)

#include <fst/extensions/far/sttable.h>

namespace fst {

bool IsSTTable(const string &filename) {
  ifstream strm(filename.c_str());
  if (!strm)
    return false;

  int32 magic_number = 0;
  ReadType(strm, &magic_number);
  return magic_number == kSTTableMagicNumber;
}

}  // namespace fst