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Subject: [Bug libc/28931] hosts lookup broken for SUCCESS=CONTINUE and
 SUCCESS=MERGE
Date: Tue, 22 Mar 2022 14:13:04 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28931

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Siddhesh Poyarekar
<siddhesh@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D1c37b8022e8763fedbb=
3f79c02e05c6acfe5a215

commit 1c37b8022e8763fedbb3f79c02e05c6acfe5a215
Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
Date:   Thu Mar 17 11:44:34 2022 +0530

    Simplify allocations and fix merge and continue actions [BZ #28931]

    Allocations for address tuples is currently a bit confusing because of
    the pointer chasing through PAT, making it hard to observe the sequence
    in which allocations have been made.  Narrow scope of the pointer
    chasing through PAT so that it is only used where necessary.

    This also tightens actions behaviour with the hosts database in
    getaddrinfo to comply with the manual text.  The "continue" action
    discards previous results and the "merge" action results in an immedate
    lookup failure.  Consequently, chaining of allocations across modules is
    no longer necessary, thus opening up cleanup opportunities.

    A test has been added that checks some combinations to ensure that they
    work correctly.

    Resolves: BZ #28931

    Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
    Reviewed-by: DJ Delorie <dj@redhat.com>

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