X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fbook.cpp;h=2c11a3d507b066db136e23e916257368d6e51291;hb=1e7aaed8bc;hp=7cb0863c11158b2f414a0c2868d0a8041b5b3cf9;hpb=bdfd656c2400ea66cfdbd7dae9ca6bfd505e91c7;p=stockfish

diff --git a/src/book.cpp b/src/book.cpp
index 7cb0863c..2c11a3d5 100644
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -30,6 +30,7 @@
 ////
 
 #include <cassert>
+#include <iostream>
 
 #include "book.h"
 #include "movegen.h"
@@ -365,18 +366,20 @@ void Book::open(const string& fName) {
   fileName = fName;
   ifstream::open(fileName.c_str(), ifstream::in | ifstream::binary);
 
-  if (is_open())
-  {
-      // Get the book size in number of entries
-      seekg(0, ios::end);
-      bookSize = long(tellg()) / EntrySize;
-      seekg(0, ios::beg);
+  // Silently return when asked to open a non-exsistent file
+  if (!is_open())
+      return;
+
+  // Get the book size in number of entries
+  seekg(0, ios::end);
+  bookSize = long(tellg()) / EntrySize;
+  seekg(0, ios::beg);
 
-      if (good())
-          return;
+  if (!good())
+  {
+      cerr << "Failed to open book file " << fileName << endl;
+      exit(EXIT_FAILURE);
   }
-  cerr << "Failed to open book file " << fileName << endl;
-  Application::exit_with_failure();
 }
 
 
@@ -496,7 +499,7 @@ void Book::read_entry(BookEntry& entry, int idx) {
   if (!good())
   {
       cerr << "Failed to read book entry at index " << idx << endl;
-      Application::exit_with_failure();
+      exit(EXIT_FAILURE);
   }
 }