[PATCH] iphlpapi: Retrieve DNS servers from /etc/resolv.conf if possible

[Bruno Jesus]

On Thu, Feb 9, 2017 at 2:12 PM, Huw Davies <huw at codeweavers.com> wrote:
> On Thu, Feb 09, 2017 at 01:28:28PM -0200, Bruno Jesus wrote:
>> On Thu, Feb 9, 2017 at 12:15 PM, Erich E. Hoover
>> <erich.e.hoover at wine-staging.com> wrote:
>> > On Thu, Feb 9, 2017 at 1:52 AM, Huw Davies <huw at codeweavers.com> wrote:
>> >> ...
>> >> If this does go in, we'll want some kind of caching.
>>
>> The other places using fopen (ifstats.c) don't use caching, that was
>> where I based the idea on.
>
> Those places are reading virtual files which whose contents are
> expected to change.
>
>> Due to the nature of network configuration
>> I'm not sure it is a good idea, for example, when to renew the cache?
>
> Generally /etc/resolv.conf doesn't change much, of course this is not
> so true with mobile devices.  glibc reads this when you call
> res_init().  I guess if you really wanted to you could let the file be
> re-read every 5 seconds or so, but not every time the dns server list
> is queried.

I'll do that then, better than discard the patch IMHO.