diff options
| author | Joey Hess <joey@kitenet.net> | 2014-03-30 00:08:02 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2014-03-30 00:08:02 -0400 |
| commit | 92957b27ece2d4fb2eb4ce9121dd26ee94985b48 (patch) | |
| tree | c25c4dbd5d497958ba011ad7382ab92fc3cc8f45 /Utility | |
| parent | 0ab0216d0b400fae78a6a6916ef9f82ed31dc0fa (diff) | |
cabalized and added a wrapper program
Diffstat (limited to 'Utility')
| -rw-r--r-- | Utility/Network.hs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Utility/Network.hs b/Utility/Network.hs new file mode 100644 index 00000000..62523c9e --- /dev/null +++ b/Utility/Network.hs @@ -0,0 +1,21 @@ +{- network functions + - + - Copyright 2012 Joey Hess <joey@kitenet.net> + - + - Licensed under the GNU GPL version 3 or higher. + -} + +module Utility.Network where + +import Utility.Process +import Utility.Exception + +import Control.Applicative + +{- 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"] |
