From: "Lavrentiev, Anton (NIH/NLM/NCBI) [C]" <lavr@ncbi.nlm.nih.gov>
To: "cygwin-patches@cygwin.com" <cygwin-patches@cygwin.com>
Subject: RE: [EXTERNAL] Re: [PATCH 2/5] Cygwin: resolver: Process options forward (not backwards)
Date: Tue, 18 Jan 2022 13:58:24 +0000 [thread overview]
Message-ID: <DM8PR09MB70957B6BFEAE91059D1371A6A5589@DM8PR09MB7095.namprd09.prod.outlook.com> (raw)
In-Reply-To: <YeaXUdGyYg3uirHv@calimero.vinschen.de>
> I pushed patches 1 and 3 to 5. I fixed the consitency typo
> throughout.
Thanks! (and oops :-)
> Right now, the debug flag gets set in several places throughout the
> code. Given you set the debug flag above, doesn't that mean several
> code snippets setting the debug flag later in the code can go away?
No, they can't. The flag can be propagated from "res_init()" from the user
land. When /etc/resolv.conf gets loaded, its "options" can also specify the
debug setting (so it should become active since then), but formerly the code was
using only the init-provided value in "get_resolv()" yet the debug setting from
"options" (parsed by "get_options()") only affected the options themselves,
but not the calling code in "get_resolv()", which kept on using the initial value.
That made the remainder of the file parse to continue "silent" unless "res_init()"
was previously called with RES_DEBUG.
So that was, again, inconsistent! (see, I can spell it this time around :-)
Post-"get_options()" assignment is not an additional assignment, it's a refresh
of a possibly changed value (for a local "debug" variable). I think the patch is correct,
and it works, for what I am concerned, -- I checked that and was using it.
Anton Lavrentiev
Contractor NIH/NLM/NCBI
next prev parent reply other threads:[~2022-01-18 13:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-17 18:03 Anton Lavrentiev
2022-01-17 18:03 ` [PATCH 1/5] Cygwin: resolver: Debug to output both IP and port # in native b.o Anton Lavrentiev
2022-01-17 18:03 ` [PATCH 2/5] Cygwin: resolver: Process options forward (not backwards) Anton Lavrentiev
2022-01-18 10:32 ` Corinna Vinschen
2022-01-18 13:58 ` Lavrentiev, Anton (NIH/NLM/NCBI) [C] [this message]
2022-01-18 15:22 ` [EXTERNAL] " Corinna Vinschen
2022-01-17 18:03 ` [PATCH 3/5] Cygwin: resolver: Format spec consitency for Windows errors Anton Lavrentiev
2022-01-17 18:03 ` [PATCH 4/5] Cygwin: resolver: A little more consitency in debug messages Anton Lavrentiev
2022-01-17 18:03 ` [PATCH 5/5] Cygwin: resolver: Added processing of AAAA records Anton Lavrentiev
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