r = sd_pid_get_unit(0, &unit);
assert_se(r >= 0 || r == -ENODATA);
- log_info("sd_pid_get_unit(0, …) → \"%s\"", unit);
+ log_info("sd_pid_get_unit(0, …) → \"%s\"", strna(unit));
r = sd_pid_get_user_unit(0, &user_unit);
assert_se(r >= 0 || r == -ENODATA);
- log_info("sd_pid_get_user_unit(0, …) → \"%s\"", user_unit);
+ log_info("sd_pid_get_user_unit(0, …) → \"%s\"", strna(user_unit));
- assert_se(sd_pid_get_slice(0, &slice) >= 0);
- log_info("sd_pid_get_slice(0, …) → \"%s\"", slice);
+ r = sd_pid_get_slice(0, &slice);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_pid_get_slice(0, …) → \"%s\"", strna(slice));
r = sd_pid_get_session(0, &session);
if (r < 0) {