GString *field_path_pretty = ctf_field_path_string(field_path);
const char *field_path_pretty_str =
field_path_pretty ? field_path_pretty->str : NULL;
GString *field_path_pretty = ctf_field_path_string(field_path);
const char *field_path_pretty_str =
field_path_pretty ? field_path_pretty->str : NULL;