r = write_one_line_file(path, v ? v : a->value);
if (r < 0)
log_warning("Failed to write '%s' to %s: %s", v ? v : a->value, path, strerror(-r));
r = write_one_line_file(path, v ? v : a->value);
if (r < 0)
log_warning("Failed to write '%s' to %s: %s", v ? v : a->value, path, strerror(-r));