X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.cpp;h=9839124c0efd12ee379447b59fd8382d0525c151;hp=8e4778eed711813b5ad6c3a46ff77b783aa859c9;hb=6d117e4a23dd1a3a22d5553b4ac15d9d15f0aafe;hpb=a03b8074c884086d13b80e1d291b3800a4512a3c

diff --git a/src/book.cpp b/src/book.cpp
index 8e4778ee..9839124c 100644
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -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
@@ -344,10 +344,21 @@ namespace {
 ////
 
 
+/// Destructor. Be sure file is closed before we leave.
+
+Book::~Book() {
+
+  close();
+}
+
+
 /// Book::open() opens a book file with a given file name
 
 void Book::open(const string& fName) {
 
+  // Close old file before opening the new
+  close();
+
   fileName = fName;
   ifstream::open(fileName.c_str(), ifstream::in | ifstream::binary);
   if (!is_open())
@@ -361,8 +372,7 @@ void Book::open(const string& fName) {
   if (!good())
   {
       cerr << "Failed to open book file " << fileName << endl;
-      close();
-      exit(EXIT_FAILURE);
+      Application::exit_with_failure();
   }
 }
 
@@ -479,8 +489,7 @@ void Book::read_entry(BookEntry& entry, int idx) {
   if (!good())
   {
       cerr << "Failed to read book entry at index " << idx << endl;
-      close();
-      exit(EXIT_FAILURE);
+      Application::exit_with_failure();
   }
 }