Dear Corey, You're listed as vty maintainer. Could you apply the attached patch to fix http://code.google.com/p/yi-editor/issues/detail?id=264 ?
Here's a test case:
> import Graphics.Vty
> import Control.Exception
>
> catchLog = handle (\except -> do putStrLn $ show (except :: IOException))
>
> main = do
> vty <- mkVty
> catchLog $ update vty pic { pImage = empty, pCursor = NoCursor }
> catchLog $ update vty pic { pImage = empty, pCursor = NoCursor }
> shutdown vty
Expected behavior: no output.
Actual behavior: "double free" segfault, the same as described in the
Yi bug report.
--
Colin McQuillan
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vty-update.dpatch
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