Data.ByteString: copyCStringLen not in the IO monad

[Donald Bruce Stewart]

tomasz.zielonka:
> Hello!
> 
> Why copyCStringLen :: CStringLen -> ByteString? It seems pretty
> dangerous, because at the time of forcing (copyCStringLen csLen),
> csLen may no longer be valid. I think it would be better if this
> and other similar functions returned their results in the IO monad.
> 

That's reasonable. I'll look at this.

-- Don