chrome/installer/util/duplicate_tree_detector.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // This file declares a helper function that will check to see if a given folder
   6 // is "identical" to another (for some value of identical, see below).
   7 //
   8
   9 #ifndef CHROME_INSTALLER_UTIL_DUPLICATE_TREE_DETECTOR_H_
  10 #define CHROME_INSTALLER_UTIL_DUPLICATE_TREE_DETECTOR_H_
  11
  12 namespace base {
  13 class FilePath;
  14 }
  15
  16 namespace installer {
  17
  18 // Returns true if |dest_path| contains all the files from |src_path| in the
  19 // same directory structure and each of those files is of the same length.
  20 // src_path_ and |dest_path| must either both be files or both be directories.
  21 // Note that THIS IS A WEAK DEFINITION OF IDENTICAL and is intended only to
  22 // catch cases of missing files or obvious modifications.
  23 // It notably DOES NOT CHECKSUM the files.
  24 bool IsIdenticalFileHierarchy(const base::FilePath& src_path,
  25                               const base::FilePath& dest_path);
  26
  27 }  // namespace installer
  28
  29 #endif  // CHROME_INSTALLER_UTIL_DUPLICATE_TREE_DETECTOR_H_