Re: [Haskell-beginners] help with FFI: passing char* to dll function + pointer freeing

On Sat, Sep 21, 2013 at 3:25 PM, Miro Karpis wrote:

Thanks so far, but I'm still having troubles with converting String to CString.... The error I'm getting is:

Couldn't match type `IO CString' with `Ptr CChar' Expected type: CString Actual type: IO CString

(...)

let param = newCString "someString"

Don't use let there; newCString is in IO. param <- newCString "someString" -- brandon s allbery kf8nh sine nomine associates allbery.b@gmail.com ballbery@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net