On Nov 20, 2007 9:36 AM, ChrisK <[EMAIL PROTECTED]> wrote: > Thank you very much for the error report. I have tracked down the cause. > > You are searching against an empty Bytestring. This is now represented by > > > -- | /O(1)/ The empty 'ByteString' > > empty :: ByteString > > empty = PS nullForeignPtr 0 0 > > And while the useAsCString and useAsCStringLen functions never reveal the > null > pointer, the current library uses unsafeUseAsCStringLen, which returns the > null > pointer. > > And this is getting caught by a null pointer check resulting in your > crash. I > will post a fix later tonight, and announce it. > > Which regex-prce version are you using? Perhaps from hackage? I want to > prioritize the version you need fixed. > > The earlier repository holds up to version 0.81 at > http://darcs.haskell.org/packages/regex-pcre/ > The newer repository holds up to version 0.92 at > > http://darcs.haskell.org/packages/regex-unstable/regex-pcre/regex-pcre.cabal > > Out of further curiosity: > > Which version of the pcre library does it use? > And what version of ghc? > Which version of Data.ByteString? > > Cheers, > Chris Kuklewicz >
Hi Chris, I'm using ghc-6.8.1, regex-pcre-0.92, bytestring-0.9.0.1 and libpcre-7.4. Using your information, I might be able to workaround the problem by filtering out empty bytestrings before applying the next regex. Thanks for your reply, Olivier.
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