revert the previous commit it was wrong
newCAStringLen str = do
ptr <- mallocArray0 len
let
- go [] n = n `seq` return n -- make it strict in n
+ go [] n = n `seq` return () -- make it strict in n
go (c:cs) n = do pokeElemOff ptr n (castCharToCChar c); go cs (n+1)
- len <- go str 0
+ go str 0
return (ptr, len)
+ where
+ len = length str
#endif
-- | Marshal a Haskell string into a NUL terminated C string using temporary
withCAStringLen str f =
allocaArray len $ \ptr ->
let
- go [] n = n `seq` return n -- make it strict in n
+ go [] n = n `seq` return () -- make it strict in n
go (c:cs) n = do pokeElemOff ptr n (castCharToCChar c); go cs (n+1)
in do
- len <- go str 0
+ go str 0
f (ptr,len)
+ where
+ len = length str
#endif
-- auxiliary definitions