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forgot releasing a stable pointer

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krangelov
2021-08-12 14:45:05 +02:00
parent 7e35db47a6
commit 352dedc26f
1 changed files with 6 additions and 4 deletions
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10
src/runtime/haskell/PGF2.hsc
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@@ -287,6 +287,7 @@ readExpr str =
if c_expr == castPtrToStablePtr nullPtr
then return Nothing
else do expr <- deRefStablePtr c_expr
freeStablePtr c_expr
return (Just expr)
-- | parses a 'String' as a type
@@ -295,11 +296,12 @@ readType str =
unsafePerformIO $
withText str $ \c_str ->
bracket mkUnmarshaller freeUnmarshaller $ \u -> do
c_type <- pgf_read_type c_str u
if c_type == castPtrToStablePtr nullPtr
c_ty <- pgf_read_type c_str u
if c_ty == castPtrToStablePtr nullPtr
then return Nothing
else do tp <- deRefStablePtr c_type
return (Just tp)
else do ty <- deRefStablePtr c_ty
freeStablePtr c_ty
return (Just ty)
-----------------------------------------------------------------------
-- Exceptions