X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.h;h=1b7b72c4d90c0f9b326c1657a9db891cc7e1337b;hp=740ef74992562f3d7b6399096d3357124604903c;hb=29fb38976036d6691f6cbdf8990245ed74d79be2;hpb=2155fb78256204aae5aa80946dfe7d8d9c6e2397

diff --git a/src/book.h b/src/book.h
index 740ef749..1b7b72c4 100644
--- a/src/book.h
+++ b/src/book.h
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008 Marco Costalba
+  Copyright (C) 2008-2009 Marco Costalba
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -53,11 +53,14 @@ struct BookEntry {
 };
 
 class Book : private std::ifstream {
+  Book(const Book&); // just decleared..
+  Book& operator=(const Book&); // ..to avoid a warning
 public:
+  Book() {}
   ~Book();
   void open(const std::string& fName);
   void close();
-  const std::string file_name() const;
+  const std::string file_name();
   Move get_move(const Position& pos);
 
 private: