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From: Junio C Hamano <gitster@pobox.com>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: Stefan Beller <sbeller@google.com>,
	Eric Sunshine <sunshine@sunshineco.com>,
	Jeff King <peff@peff.net>,
	git@vger.kernel.org
Subject: Re: [PATCH v2 03/18] is_refname_available(): avoid shadowing "dir" variable
Date: Tue, 12 May 2015 14:06:33 -0700	[thread overview]
Message-ID: <xmqq4mnhfque.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <1431357920-25090-4-git-send-email-mhagger@alum.mit.edu> (Michael Haggerty's message of "Mon, 11 May 2015 17:25:05 +0200")

Michael Haggerty <mhagger@alum.mit.edu> writes:

> The function had a "dir" parameter that was shadowed by a local "dir"
> variable within a code block. Use the former in place of the latter.
> (This is consistent with "dir"'s use elsewhere in the function.)
>
> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
> ---
>  refs.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/refs.c b/refs.c
> index 776bbce..9d87e84 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -967,10 +967,10 @@ static int is_refname_available(const char *refname,
>  		 * "refs/foo/bar/"). It is a problem iff it contains
>  		 * any ref that is not in "skip".
>  		 */
> -		struct ref_entry *entry = dir->entries[pos];
> -		struct ref_dir *dir = get_ref_dir(entry);
>  		struct nonmatching_ref_data data;

Wow, the original is a tricky code, but that helps us be confident
that this change is not breaking anything by "unmasking" the value
of incoming "dir" ;-)

> +		struct ref_entry *entry = dir->entries[pos];
>  
> +		dir = get_ref_dir(entry);
>  		data.skip = skip;
>  		sort_ref_dir(dir);
>  		if (!do_for_each_entry_in_dir(dir, 0, nonmatching_ref_fn, &data))

  reply	other threads:[~2015-05-12 21:06 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-11 15:25 [PATCH v2 00/18] Improve handling of D/F conflicts Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 01/18] t1404: new tests of ref D/F conflicts within transactions Michael Haggerty
2015-05-11 18:52   ` Junio C Hamano
2015-05-12  8:45     ` Michael Haggerty
2015-05-11 19:37   ` Junio C Hamano
2015-05-12  8:32     ` Michael Haggerty
2015-05-12 15:45       ` Junio C Hamano
2015-05-13 20:19         ` Michael Haggerty
2015-05-14 17:00           ` Junio C Hamano
2015-05-22 22:47             ` Michael Haggerty
2015-05-23  0:52               ` Junio C Hamano
2015-05-11 15:25 ` [PATCH v2 02/18] is_refname_available(): revamp the comments Michael Haggerty
2015-05-12 21:04   ` Junio C Hamano
2015-05-11 15:25 ` [PATCH v2 03/18] is_refname_available(): avoid shadowing "dir" variable Michael Haggerty
2015-05-12 21:06   ` Junio C Hamano [this message]
2015-05-11 15:25 ` [PATCH v2 04/18] is_refname_available(): convert local variable "dirname" to strbuf Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 05/18] entry_matches(): inline function Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 06/18] report_refname_conflict(): " Michael Haggerty
2015-05-12 21:21   ` Junio C Hamano
2015-05-11 15:25 ` [PATCH v2 07/18] struct nonmatching_ref_data: store a refname instead of a ref_entry Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 08/18] is_refname_available(): use dirname in first loop Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 09/18] ref_transaction_commit(): use a string_list for detecting duplicates Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 10/18] refs: check for D/F conflicts among refs created in a transaction Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 11/18] verify_refname_available(): rename function Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 12/18] verify_refname_available(): report errors via a "struct strbuf *err" Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 13/18] lock_ref_sha1_basic(): " Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 14/18] lock_ref_sha1_basic(): improve diagnostics for ref D/F conflicts Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 15/18] rename_ref(): integrate lock_ref_sha1_basic() errors into ours Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 16/18] ref_transaction_commit(): provide better error messages Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 17/18] ref_transaction_commit(): delete extra "the" from error message Michael Haggerty
2015-05-11 15:25 ` [PATCH v2 18/18] reflog_expire(): integrate lock_ref_sha1_basic() errors into ours Michael Haggerty
2015-05-11 17:56 ` [PATCH v2 00/18] Improve handling of D/F conflicts Junio C Hamano
2015-05-11 18:10   ` Stefan Beller

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