Correction de la fonction get_grid

grid.c

@@ -62,5 +62,9 @@ struct Grid* grid_new(int x, int y)
 
 enum CaseType get_grid(struct Grid* grid, int x, int y)
 {
-	return grid->game_grid[coordonner_vers_indice(x, y, grid)];
+	if (0 <=  x && x <grid->column_number && 0 <= y && y <grid->row_number )
+	{
+		return grid->game_grid[coordonner_vers_indice(x, y, grid)];
+	}
+	else{return -1;}
 }