How to test a patch in resolv/?

Marko Myllynen myllynen@redhat.com
Wed Oct 7 10:33:00 GMT 2015


Hi,

On 2015-10-06 21:38, Stan Shebs wrote:
> Last week at Google, getaddrinfo() blew up in an attention-getting way,
> apparently due to an innocuous internal server change triggering BZ 16754
> (the library version we're using derives from 2.19).
> 
> So while there is a patch for this bug, and it even applies cleanly to our
> version, I'm wondering how to write a test that demonstrates it's an actual
> fix, without depending on masses of internal Google configuration. It seems
> like one ought to be able to build a little mock DNS server, but I don't see
> that anyone has done that to date, and maybe there is some better way
> to do a unit test.
> 
> Does anybody have any ideas or suggestions? Thanks!

I think cwrap is worth mentioning here:

https://cwrap.org/
https://cwrap.org/resolv_wrapper.html

Cheers,

-- 
Marko Myllynen



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