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List:       mutt-dev
Subject:    Re: The future of mutt...
From:       Will Fiveash <will.fiveash () oracle ! com>
Date:       2013-10-07 19:52:18
Message-ID: 20131007195218.GA4771 () oracle ! com
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On Fri, Oct 04, 2013 at 01:06:35PM -0500, Derek Martin wrote:
> On Fri, Oct 04, 2013 at 12:06:29PM +0300, Alexander Gattin wrote:
> > MUA may choose to operate offline, so some hacks around libresolv
> > (like reading /etc/resolv.conf) are OK instead of just returning -1:
> 
> NO, THEY ARE NOT.  If your system is not using DNS for local name
> resolution, then using anything in /etc/resolv.conf IS WRONG.  PERIOD.

Yep, use the public APIs, of which /etc/resolv.conf is not.  Note that
Solaris has provided a name switch library, libnsl, for a loooong time.
One of the reasons for it is that Solaris has supported NIS, NIS+, DNS
and LDAP as naming data sources for some time and it was recognized that
providing coherent/consistent configuration for these various data
service was desirable and led to libnsl+/etc/nsswitch.conf.  Calling
libresolv directly can potentially bypass the intended hosts naming
service.

-- 
Will Fiveash
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