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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Han-Wen Nienhuys <hanwen@google.com>
Cc: git <git@vger.kernel.org>
Subject: Re: errno oversight
Date: Wed, 08 Dec 2021 13:47:51 +0100	[thread overview]
Message-ID: <211208.86sfv3l0op.gmgdl@evledraar.gmail.com> (raw)
In-Reply-To: <CAFQ2z_NHXKss4LVBAFVpE7LFXt2OeOz9P9wi-z8riwHXWDb28w@mail.gmail.com>


On Wed, Dec 08 2021, Han-Wen Nienhuys wrote:

> In refs.c in origin/next and origin/seen, we have the following fragment:

It's in "master".

>                    if (refs_read_raw_ref(refs, refname, oid, &sb_refname,
>                                       &read_flags, failure_errno)) {
>                         *flags |= read_flags;
>                         if (errno)
>                                 *failure_errno = errno;
>
> overwriting failure_errno looks like an oversight?

This is from my ef18119dec8 (refs API: add a version of
refs_resolve_ref_unsafe() with "errno", 2021-10-16).

I don't see the bug here, overwriting *failure_errno is the point of
that variable. We're keeping the right errno value right after a
failure, and passing it up to our caller.

  reply	other threads:[~2021-12-08 12:51 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-08 11:38 errno oversight Han-Wen Nienhuys
2021-12-08 12:47 ` Ævar Arnfjörð Bjarmason [this message]
2021-12-08 13:00   ` Ævar Arnfjörð Bjarmason
2021-12-08 19:02     ` Junio C Hamano
2021-12-09  5:02       ` [PATCH 0/3] refs: ab/refs-errno-cleanup fixup + remove "failure_errno" Ævar Arnfjörð Bjarmason
2021-12-09  5:02         ` [PATCH 1/3] refs API: use "failure_errno", not "errno" Ævar Arnfjörð Bjarmason
2021-12-09  5:02         ` [PATCH 2/3] sequencer: don't use die_errno() on refs_resolve_ref_unsafe() failure Ævar Arnfjörð Bjarmason
2021-12-09  5:02         ` [PATCH 3/3] refs API: remove "failure_errno" from refs_resolve_ref_unsafe() Ævar Arnfjörð Bjarmason
2021-12-12 19:53         ` [PATCH v2 0/3] refs: ab/refs-errno-cleanup fixup + remove "failure_errno" Ævar Arnfjörð Bjarmason
2021-12-12 19:53           ` [PATCH v2 1/3] refs API: use "failure_errno", not "errno" Ævar Arnfjörð Bjarmason
2021-12-12 19:53           ` [PATCH v2 2/3] sequencer: don't use die_errno() on refs_resolve_ref_unsafe() failure Ævar Arnfjörð Bjarmason
2021-12-12 19:53           ` [PATCH v2 3/3] refs API: remove "failure_errno" from refs_resolve_ref_unsafe() Ævar Arnfjörð Bjarmason
2022-01-12 12:36           ` [PATCH v3 0/3] For v2.35.0: refs: ab/refs-errno-cleanup fixup + remove "failure_errno" Ævar Arnfjörð Bjarmason
2022-01-12 12:36             ` [PATCH v3 1/3] refs API: use "failure_errno", not "errno" Ævar Arnfjörð Bjarmason
2022-01-12 19:59               ` Junio C Hamano
2022-01-13 12:14                 ` Ævar Arnfjörð Bjarmason
2022-01-12 12:36             ` [PATCH v3 2/3] sequencer: don't use die_errno() on refs_resolve_ref_unsafe() failure Ævar Arnfjörð Bjarmason
2022-01-12 20:02               ` Junio C Hamano
2022-01-12 12:36             ` [PATCH v3 3/3] refs API: remove "failure_errno" from refs_resolve_ref_unsafe() Ævar Arnfjörð Bjarmason
2022-01-12 19:34             ` [PATCH v3 0/3] For v2.35.0: refs: ab/refs-errno-cleanup fixup + remove "failure_errno" Junio C Hamano
2022-01-13 12:22               ` Ævar Arnfjörð Bjarmason
2022-01-13 18:54                 ` Junio C Hamano
2022-01-14 12:21                   ` Ævar Arnfjörð Bjarmason
2022-01-26 14:36               ` [PATCH v4 0/2] refs: remove the last use of "errno" from the public API Ævar Arnfjörð Bjarmason
2022-01-26 14:37                 ` [PATCH v4 1/2] sequencer: don't use die_errno() on refs_resolve_ref_unsafe() failure Ævar Arnfjörð Bjarmason
2022-01-26 23:57                   ` Junio C Hamano
2022-01-26 14:37                 ` [PATCH v4 2/2] refs API: remove "failure_errno" from refs_resolve_ref_unsafe() Ævar Arnfjörð Bjarmason
2021-12-08 13:05   ` errno oversight Han-Wen Nienhuys

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