What does 2 Samuel 18:32 mean?

The king asked the messenger, 'Is my son Absalom okay?' The man answered, 'I wish what happened to him would happen to all your enemies and anyone who tries to hurt you.' 2 Samuel 18:32 - Modern Text Bible

(David is desperate to know if Absalom, his rebellious son, is safe. The messenger avoids a direct answer, hinting that Absalom is dead and implying it's a good thing for David's enemies.)