if (!xbt_graph_file_to_parse_stack)
xbt_graph_file_to_parse_stack = xbt_dynar_new(sizeof(FILE *), NULL);
xbt_graph_file_to_parse = fopen(file, "r"); /* FIXME should use something like surf_fopen */
if (!xbt_graph_file_to_parse_stack)
xbt_graph_file_to_parse_stack = xbt_dynar_new(sizeof(FILE *), NULL);
xbt_graph_file_to_parse = fopen(file, "r"); /* FIXME should use something like surf_fopen */