Add BOTH in set_tictactoe_winner

src/model.c

@@ -110,6 +110,7 @@ e_player get_next_player_to_play(s_utictactoe *p_uttt) {
     if ( p_uttt->outer_tictactoe->winner != NOBODY ) {
         return NOBODY;
     }
+
     if ( p_uttt->history->last_move->player == PLAYER_O ||
         p_uttt->history->last_move == NULL ) {
         return PLAYER_X;
@@ -241,6 +242,18 @@ void set_tictactoe_winner(s_tictactoe *p_ttt){
                 }
             }
         }
+
+        // check if a move could be done, if not retuen BOTH (no winner)
+        find = false;
+        for (int i = 0; i < TICTACTOE_SIZE; i++){
+            if ( p_ttt->content[i] == NOBODY ) {
+                find = true;
+                break;
+            }
+        }
+        if ( find == false )
+            p_ttt->winner = BOTH;
+        }
     } 
 }