From: Stefan Beller <sbeller@google.com>
To: Jonathan Tan <jonathantanmy@google.com>
Cc: "git@vger.kernel.org" <git@vger.kernel.org>
Subject: Re: [RFC PATCH 1/3] diff: avoid redundantly clearing a flag
Date: Mon, 14 Aug 2017 10:13:45 -0700 [thread overview]
Message-ID: <CAGZ79kZZLOr70Ly=VGbic_5pj_cey6mfxwNd6WCtAAPZa5GTWQ@mail.gmail.com> (raw)
In-Reply-To: <ae81b1cf697b2d541eadd21b40ead497a0c32eb9.1502491372.git.jonathantanmy@google.com>
On Fri, Aug 11, 2017 at 3:49 PM, Jonathan Tan <jonathantanmy@google.com> wrote:
> No code in diff.c sets DIFF_SYMBOL_MOVED_LINE except in
> mark_color_as_moved(), so it is redundant to clear it for the current
> line. Therefore, clear it only for previous lines.
Oh that part. I remember debating with myself if I rather want to have
the upper bound adjusted by one less (block_length instead of
'block_length + 1'), and then add a constant to 'buf[n - i];'
The patch as implemented is fine, too.
> This makes a refactoring in a subsequent patch easier.
>
> Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
> ---
> diff.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/diff.c b/diff.c
> index f84346b47..4965ffbc4 100644
> --- a/diff.c
> +++ b/diff.c
> @@ -895,7 +895,7 @@ static void mark_color_as_moved(struct diff_options *o,
> if (!match) {
> if (block_length < COLOR_MOVED_MIN_BLOCK_LENGTH &&
> o->color_moved != COLOR_MOVED_PLAIN) {
> - for (i = 0; i < block_length + 1; i++) {
> + for (i = 1; i < block_length + 1; i++) {
> l = &o->emitted_symbols->buf[n - i];
> l->flags &= ~DIFF_SYMBOL_MOVED_LINE;
> }
> --
> 2.14.0.434.g98096fd7a8-goog
>
next prev parent reply other threads:[~2017-08-14 17:13 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-11 22:49 [RFC PATCH 0/3] Fixes to "diff --color-moved" MIN_BLOCK_LENGTH handling Jonathan Tan
2017-08-11 22:49 ` [RFC PATCH 1/3] diff: avoid redundantly clearing a flag Jonathan Tan
2017-08-14 17:13 ` Stefan Beller [this message]
2017-08-11 22:49 ` [RFC PATCH 2/3] diff: respect MIN_BLOCK_LENGTH for last block Jonathan Tan
2017-08-14 17:17 ` Stefan Beller
2017-08-11 22:49 ` [RFC PATCH 3/3] diff: check MIN_BLOCK_LENGTH at start of new block Jonathan Tan
2017-08-14 17:22 ` Stefan Beller
2017-08-12 0:39 ` [RFC PATCH 0/3] Fixes to "diff --color-moved" MIN_BLOCK_LENGTH handling Junio C Hamano
2017-08-14 17:29 ` Stefan Beller
2017-08-14 19:37 ` Junio C Hamano
2017-08-14 19:51 ` Stefan Beller
2017-08-15 17:07 ` Junio C Hamano
2017-08-14 21:31 ` [PATCH v2 " Jonathan Tan
2017-08-14 21:31 ` [PATCH v2 1/3] diff: avoid redundantly clearing a flag Jonathan Tan
2017-08-14 21:31 ` [PATCH v2 2/3] diff: respect MIN_BLOCK_LENGTH for last block Jonathan Tan
2017-08-14 21:31 ` [PATCH v2 3/3] diff: check MIN_BLOCK_LENGTH at start of new block Jonathan Tan
2017-08-14 22:46 ` Stefan Beller
2017-08-14 23:57 ` [PATCH v3 0/3] "diff --color-moved" with different heuristic Jonathan Tan
2017-08-14 23:57 ` [PATCH v3 1/3] diff: avoid redundantly clearing a flag Jonathan Tan
2017-08-14 23:57 ` [PATCH v3 2/3] diff: respect MIN_BLOCK_LENGTH for last block Jonathan Tan
2017-08-14 23:57 ` [PATCH v3 3/3] diff: define block by number of non-space chars Jonathan Tan
2017-08-15 2:29 ` Stefan Beller
2017-08-15 19:54 ` Junio C Hamano
2017-08-15 20:06 ` Stefan Beller
2017-08-15 20:53 ` Junio C Hamano
2017-08-16 1:27 ` [PATCH v4 0/3] "diff --color-moved" with yet another heuristic Jonathan Tan
2017-08-16 5:55 ` Stefan Beller
2017-08-16 1:27 ` [PATCH v4 1/3] diff: avoid redundantly clearing a flag Jonathan Tan
2017-08-16 1:27 ` [PATCH v4 2/3] diff: respect MIN_BLOCK_LENGTH for last block Jonathan Tan
2017-08-16 1:27 ` [PATCH v4 3/3] diff: define block by number of alphanumeric chars Jonathan Tan
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