X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=EsounD.git;a=blobdiff_plain;f=Sound%2FEsounD%2FInternals.hs;h=735ce6324762dd14672a688df383b65515e6e727;hp=f4b067f0903cf30fc9a23b62ccb13dee41c5e4fe;hb=080d77f8aece1d14f71f6fd337f0cda9cdf7d740;hpb=808cc2f4700bc0b2f77cee443dd237d415b4d5d7

diff --git a/Sound/EsounD/Internals.hs b/Sound/EsounD/Internals.hs
index f4b067f..735ce63 100644
--- a/Sound/EsounD/Internals.hs
+++ b/Sound/EsounD/Internals.hs
@@ -28,7 +28,6 @@ import Foreign.C.String
 import Foreign.C.Types
 import Foreign.Ptr
 import Foreign.Storable
-import Prelude.Unicode
 import System.IO
 import System.Posix.IO
 import System.Posix.Types
@@ -99,7 +98,7 @@ withCStrOrNull ∷ Maybe String → (CString → IO a) → IO a
 withCStrOrNull Nothing  f = f nullPtr
 withCStrOrNull (Just s) f = withCString s f
 
-failOnError ∷ Monad m ⇒ String → CInt → m ()
-failOnError msg rv
-    | rv ≤ 0   = fail msg
-    | otherwise = return ()
+failOnError ∷ Monad m ⇒ String → (CInt → Bool) → CInt → m CInt
+failOnError msg isErr rv
+    | isErr rv  = fail msg
+    | otherwise = return rv