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From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: "Michał Kępień" <michal@isc.org>
Cc: git@vger.kernel.org
Subject: Re: [PATCH v2 1/3] merge-base, xdiff: zero out xpparam_t structures
Date: Mon, 12 Oct 2020 13:14:50 +0200 (CEST)	[thread overview]
Message-ID: <nycvar.QRO.7.76.6.2010121313020.50@tvgsbejvaqbjf.bet> (raw)
In-Reply-To: <20201012091751.19594-2-michal@isc.org>

[-- Attachment #1: Type: text/plain, Size: 1262 bytes --]

Hi Michał,

On Mon, 12 Oct 2020, Michał Kępień wrote:


> diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c
> index c7b35a9667..e694bfd9e3 100644
> --- a/xdiff/xhistogram.c
> +++ b/xdiff/xhistogram.c
> @@ -235,6 +235,8 @@ static int fall_back_to_classic_diff(xpparam_t const *xpp, xdfenv_t *env,
>  		int line1, int count1, int line2, int count2)
>  {
>  	xpparam_t xpparam;
> +
> +	memset(&xpparam, 0, sizeof(xpparam));

A slightly more elegant way to do this would be

	xpparam_t xpparam = { 0l };

Or even

	xpparam_t xpparam = XPPARAM_T_INIT;

with

	#define XPPARAM_T_INIT { 0l, NULL, 0 }

in `xdiff/xdiff.h`.

Thanks,
Dscho

>  	xpparam.flags = xpp->flags & ~XDF_DIFF_ALGORITHM_MASK;
>
>  	return xdl_fall_back_diff(env, &xpparam,
> diff --git a/xdiff/xpatience.c b/xdiff/xpatience.c
> index 3c5601b602..20699a6f60 100644
> --- a/xdiff/xpatience.c
> +++ b/xdiff/xpatience.c
> @@ -318,6 +318,8 @@ static int fall_back_to_classic_diff(struct hashmap *map,
>  		int line1, int count1, int line2, int count2)
>  {
>  	xpparam_t xpp;
> +
> +	memset(&xpp, 0, sizeof(xpp));
>  	xpp.flags = map->xpp->flags & ~XDF_DIFF_ALGORITHM_MASK;
>
>  	return xdl_fall_back_diff(map->env, &xpp,
> --
> 2.28.0
>
>
>

  reply	other threads:[~2020-10-12 11:17 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-01 12:06 [PATCH 0/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-01 12:06 ` [PATCH 1/2] " Michał Kępień
2020-10-01 18:21   ` Junio C Hamano
2020-10-07 19:48     ` Michał Kępień
2020-10-07 20:08       ` Junio C Hamano
2020-10-01 12:06 ` [PATCH 2/2] t: add -I<regex> tests Michał Kępień
2020-10-01 17:02 ` [PATCH 0/2] diff: add -I<regex> that ignores matching changes Junio C Hamano
2020-10-12  9:17 ` [PATCH v2 0/3] " Michał Kępień
2020-10-12  9:17   ` [PATCH v2 1/3] merge-base, xdiff: zero out xpparam_t structures Michał Kępień
2020-10-12 11:14     ` Johannes Schindelin [this message]
2020-10-12 17:09       ` Junio C Hamano
2020-10-12 19:52     ` Junio C Hamano
2020-10-13  6:35       ` Michał Kępień
2020-10-12  9:17   ` [PATCH v2 2/3] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-12 11:20     ` Johannes Schindelin
2020-10-12 20:00       ` Junio C Hamano
2020-10-12 20:39         ` Johannes Schindelin
2020-10-12 21:43           ` Junio C Hamano
2020-10-13  6:37             ` Michał Kępień
2020-10-13 15:49               ` Junio C Hamano
2020-10-13  6:36       ` Michał Kępień
2020-10-13 12:02         ` Johannes Schindelin
2020-10-13 15:53           ` Junio C Hamano
2020-10-13 18:45           ` Michał Kępień
2020-10-12 18:01     ` Junio C Hamano
2020-10-13  6:38       ` Michał Kępień
2020-10-12 20:04     ` Junio C Hamano
2020-10-13  6:38       ` Michał Kępień
2020-10-12  9:17   ` [PATCH v2 3/3] t: add -I<regex> tests Michał Kępień
2020-10-12 11:49     ` Johannes Schindelin
2020-10-13  6:38       ` Michał Kępień
2020-10-13 12:00         ` Johannes Schindelin
2020-10-13 16:00           ` Junio C Hamano
2020-10-13 19:01           ` Michał Kępień
2020-10-15 11:45             ` Johannes Schindelin
2020-10-15  7:24   ` [PATCH v3 0/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-15  7:24     ` [PATCH v3 1/2] merge-base, xdiff: zero out xpparam_t structures Michał Kępień
2020-10-15  7:24     ` [PATCH v3 2/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-16 15:32       ` Phillip Wood
2020-10-16 18:04         ` Junio C Hamano
2020-10-19  9:48           ` Michał Kępień
2020-10-16 18:16       ` Junio C Hamano
2020-10-19  9:55         ` Michał Kępień
2020-10-19 17:29           ` Junio C Hamano
2020-10-16 10:00     ` [PATCH v3 0/2] " Johannes Schindelin
2020-10-20  6:48     ` [PATCH v4 " Michał Kępień
2020-10-20  6:48       ` [PATCH v4 1/2] merge-base, xdiff: zero out xpparam_t structures Michał Kępień
2020-10-20  6:48       ` [PATCH v4 2/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2021-02-05 14:13       ` [PATCH 1/2] diff: add an API for deferred freeing Ævar Arnfjörð Bjarmason
2021-02-10 16:00         ` Johannes Schindelin
2021-02-11  3:00           ` Ævar Arnfjörð Bjarmason
2021-02-11  9:40             ` Johannes Schindelin
2021-02-11 10:21               ` Jeff King
2021-02-11 10:45                 ` [PATCH v2 0/2] " Ævar Arnfjörð Bjarmason
2021-02-11 10:45                 ` [PATCH v2 1/2] " Ævar Arnfjörð Bjarmason
2021-02-11 10:45                 ` [PATCH v2 2/2] diff: plug memory leak from regcomp() on {log,diff} -I Ævar Arnfjörð Bjarmason
2021-02-05 14:13       ` [PATCH " Ævar Arnfjörð Bjarmason

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