1 files changed, 79 insertions, 0 deletions
diff --git a/p/haskell-conduit-extra/debian/patches/fix-alignment b/p/haskell-conduit-extra/debian/patches/fix-alignment
new file mode 100644
index 000000000..41892b7ad
--- /dev/null
+++ b/p/haskell-conduit-extra/debian/patches/fix-alignment
@@ -0,0 +1,79 @@
+Description: Fix alignment restrictions
+ Ensure that alignment constraints are fulfilled in all architectures.
+ This makes the code portable and fixes a FTBFS for the armhf architecture.
+Author: Ilias Tsitsimpis <i.tsitsimpis@gmail.com>
+Forwarded: https://github.com/snoyberg/conduit/pull/269
+Index: b/Data/Conduit/Binary.hs
+===================================================================
+--- a/Data/Conduit/Binary.hs
++++ b/Data/Conduit/Binary.hs
+@@ -76,6 +76,8 @@ import Control.Monad.Trans.Resource (Mon
+ import Control.Monad.Catch (MonadThrow (..))
+ import Control.Exception (Exception)
+ import Data.Typeable (Typeable)
++import Foreign.Marshal (alloca, copyBytes)
++import Foreign.Ptr (Ptr)
+ 
+ -- | Stream the contents of a file as binary data.
+ --
+@@ -501,7 +503,10 @@ sinkStorableHelper wrap failure = do
+ 
+     -- Given a bytestring of exactly the correct size, grab the value
+     process bs = return $! wrap $! inlinePerformIO $!
+-        unsafeUseAsCString bs (peek . castPtr)
++        unsafeUseAsCString bs (safePeek undefined . castPtr)
++
++    safePeek :: a -> Ptr a -> IO a
++    safePeek val ptr = alloca (\t -> copyBytes t ptr (sizeOf val) >> peek t)
+ {-# INLINE sinkStorableHelper #-}
+ 
+ data SinkStorableException = SinkStorableInsufficientBytes
+Index: b/test/Data/Conduit/BinarySpec.hs
+===================================================================
+--- a/test/Data/Conduit/BinarySpec.hs
++++ b/test/Data/Conduit/BinarySpec.hs
+@@ -20,9 +20,11 @@ import Data.Functor.Identity
+ import Test.QuickCheck.Arbitrary (Arbitrary, arbitrary)
+ import Test.QuickCheck.Gen (Gen, oneof)
+ import Data.Word (Word8)
+-import Foreign.Storable (Storable, sizeOf, pokeByteOff)
++import Foreign.Storable (Storable, sizeOf, pokeByteOff, alignment)
+ import Data.Typeable (Typeable)
+-import Data.ByteString.Internal (unsafeCreate)
++import Data.ByteString.Internal (createAndTrim')
++import Foreign.Ptr (alignPtr, minusPtr)
++import System.IO.Unsafe (unsafePerformIO)
+ import Control.Applicative ((<$>), (<*>))
+ 
+ spec :: Spec
+@@ -277,19 +279,19 @@ withSomeStorable :: SomeStorable
+                  -> b
+ withSomeStorable (SomeStorable x) f = f x
+ 
+-someStorables :: [SomeStorable] -> S.ByteString
+-someStorables stores0 =
+-    unsafeCreate size start
++someStorable :: SomeStorable -> S.ByteString
++someStorable store =
++    fst $ unsafePerformIO $ createAndTrim' (size + align) start
+   where
+-    size = sum $ map (\x -> withSomeStorable x sizeOf) stores0
++    size = withSomeStorable store sizeOf
++    align = withSomeStorable store alignment
++    start ptr = do
++        let off = minusPtr ptr (alignPtr ptr align)
++        withSomeStorable store (pokeByteOff ptr off)
++        return (off, size, ())
+ 
+-    start ptr =
+-        go stores0 0
+-      where
+-        go [] _ = return ()
+-        go (x:rest) off = do
+-            withSomeStorable x (pokeByteOff ptr off)
+-            go rest (off + withSomeStorable x sizeOf)
++someStorables :: [SomeStorable] -> S.ByteString
++someStorables = S.concat . map someStorable
+ 
+ it' :: String -> IO () -> Spec
+ it' = it