File: Network.hs

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{- network functions
 -
 - Copyright 2012 Joey Hess <id@joeyh.name>
 -
 - License: BSD-2-clause
 -}

{-# OPTIONS_GHC -fno-warn-tabs #-}

module Utility.Network where

import Utility.Process
import Utility.Exception

import Control.Applicative
import Prelude

{- Haskell lacks uname(2) bindings, except in the
 - Bindings.Uname addon. Rather than depend on that,
 - use uname -n when available. -}
getHostname :: IO (Maybe String)
getHostname = catchMaybeIO uname_node
  where
	uname_node = takeWhile (/= '\n') <$> readProcess "uname" ["-n"]