Use pointers instead of array indices in MovePicker

[stockfish] / src / book.cpp

diff --git a/src/book.cpp b/src/book.cpp
index c6e1e436daa2f192e8c83afc7d03b2ca876bb524..0c72d8e80d862d35b9f17aafc5d3f14cf7321a4c 100644 (file)
--- 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
@@ -429,11 +429,11 @@ Move Book::get_move(const Position& pos) {
   if (!bookMove)
       return MOVE_NONE;
 
-  MoveStack moves[256];
-  int n = generate_legal_moves(pos, moves);
-  for (int j = 0; j < n; j++)
-      if ((int(moves[j].move) & 07777) == bookMove)
-          return moves[j].move;
+  MoveStack mlist[256];
+  MoveStack* last = generate_legal_moves(pos, mlist);
+  for (MoveStack* cur = mlist; cur != last; cur++)
+      if ((int(cur->move) & 07777) == bookMove)
+          return cur->move;
 
   return MOVE_NONE;
 }