Fixed board_make_move to use TTT_CELL_EMPTY

diff --git a/src/ttt-board.c b/src/ttt-board.c
index 92391ebd2d7db4243ed14f76ff7253fa2c9a963f..8c34b3e0074165300f35958e73be7637bde7081f 100644 (file)
--- a/src/ttt-board.c
+++ b/src/ttt-board.c
@@ -104,7 +104,7 @@ ttt_board_write (ttt_board_t *board, FILE *file)
  
 ttt_error_t ttt_board_make_move (ttt_board_t *board, int move)
 {  
  
 ttt_error_t ttt_board_make_move (ttt_board_t *board, int move)
 {  

-    if (board->cells[move] != '_')
+    if (board->cells[move] != TTT_CELL_EMPTY)

        return TTT_ERROR_NOT_VALID_MOVE;
 
     board->cells[move] = board->current_player;
        return TTT_ERROR_NOT_VALID_MOVE;
 
     board->cells[move] = board->current_player;