StatBuf.hs


{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (inaki@blueleaf.cc)

A type corresponding to the appropriate struct type for the @/stat()/@
system call, depending on the platform and\/or compiler being used.

See @/g_stat()/@ for more information.
-}

#define ENABLE_OVERLOADING (MIN_VERSION_haskell_gi_overloading(1,0,0) \
       && !defined(__HADDOCK_VERSION__))

module GI.GLib.Structs.StatBuf
    ( 

-- * Exported types
    StatBuf(..)                             ,
    noStatBuf                               ,


    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GValue as B.GValue
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.GI.Base.Properties as B.Properties
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP
import qualified GHC.OverloadedLabels as OL


-- | Memory-managed wrapper type.
newtype StatBuf = StatBuf (ManagedPtr StatBuf)
-- XXX Wrapping a foreign struct/union with no known destructor or size, leak?
instance WrappedPtr StatBuf where
    wrappedPtrCalloc = return nullPtr
    wrappedPtrCopy = return
    wrappedPtrFree = Nothing

-- | A convenience alias for `Nothing` :: `Maybe` `StatBuf`.
noStatBuf :: Maybe StatBuf
noStatBuf = Nothing


#if ENABLE_OVERLOADING
instance O.HasAttributeList StatBuf
type instance O.AttributeList StatBuf = StatBufAttributeList
type StatBufAttributeList = ('[ ] :: [(Symbol, *)])
#endif

#if ENABLE_OVERLOADING
type family ResolveStatBufMethod (t :: Symbol) (o :: *) :: * where
    ResolveStatBufMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveStatBufMethod t StatBuf, O.MethodInfo info StatBuf p) => OL.IsLabel t (StatBuf -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#else
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif

#endif