File

util.prosodyctl.check: Fix error where hostname can't be turned into A label Where gethostname or tohostname returns an invalid name, e.g. containing underscores or something, to_ascii would reject this and return nil, which triggers an error in the dns lookup. Reported by prova2 in the chat, for whom tohostname returned a long name containing underscores.

local type s2s = function (s : string) : string
local record lib
	to : s2s
	from : s2s
end
return lib