Track resolv.conf patch in glibc

[Florian Weimer]

On 06/24/2017 01:06 AM, Khem Raj wrote:
>> The patch you quoted breaks the _res interface, including internal use
>> by glibc within getaddrinfo.  A proper fix is rather difficult.
> 
> I see that debian
> 
> http://sources.debian.net/src/glibc/2.24-12/debian/patches/any/local-dynamic-resolvconf.diff/
> 
> and OpenEmbedded both are carrying this fix. What
> would be the forward path.

Verify that the _res structure has not been patched by the application
before overwriting it with the /etc/resolv.conf contents.

Florian