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From: Eric Sunshine <sunshine@sunshineco.com>
To: Thomas Gummerer <t.gummerer@gmail.com>
Cc: Git List <git@vger.kernel.org>, Duy Nguyen <pclouds@gmail.com>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [RFC PATCH 2/4] range-diff: don't remove funcname from inner diff
Date: Sun, 14 Apr 2019 19:21:35 -0400	[thread overview]
Message-ID: <CAPig+cSmh1rCTPj0Y=G4OA3TmoGqVBnj95S+KogOgiDtW_0DiQ@mail.gmail.com> (raw)
In-Reply-To: <20190414210933.20875-3-t.gummerer@gmail.com>

On Sun, Apr 14, 2019 at 5:09 PM Thomas Gummerer <t.gummerer@gmail.com> wrote:
> [...]
> However it can still be useful to have the function name that 'git
> diff' extracts as additional context for the change.
> [...]
> Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
> ---
> diff --git a/range-diff.c b/range-diff.c
> @@ -102,9 +102,12 @@ static int read_patches(const char *range, struct string_list *list)
> +               } else if (starts_with(line.buf, "@@ ")) {
> +                       char *skip_lineno = strstr(line.buf + 3, "@@");
> +                       strbuf_remove(&line, 0, skip_lineno - line.buf);

It makes me a bit uncomfortable that this is not checking for NULL
return from strstr() before doing pointer arithmetic (even though the
input is presumably machine-generated).

    if (!skip_lineno)
        BUG(...);

might be appropriate.

> +                       strbuf_addch(&buf, ' ');
> +                       strbuf_addbuf(&buf, &line);

  reply	other threads:[~2019-04-14 23:21 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-11 11:17 incorrect range-diff output? Duy Nguyen
2019-04-11 22:05 ` Thomas Gummerer
2019-04-12  8:41   ` Johannes Schindelin
2019-04-14 21:12     ` Thomas Gummerer
2019-04-12  9:21   ` Duy Nguyen
2019-04-12 15:02   ` Junio C Hamano
2019-04-14 21:20     ` Thomas Gummerer
2019-04-15  2:01       ` Junio C Hamano
2019-04-15 12:40     ` Johannes Schindelin
2019-04-14 21:09   ` [RFC PATCH 0/4] output improvements for git range-diff Thomas Gummerer
2019-04-14 21:09     ` [RFC PATCH 1/4] range-diff: fix function parameter indentation Thomas Gummerer
2019-04-14 21:09     ` [RFC PATCH 2/4] range-diff: don't remove funcname from inner diff Thomas Gummerer
2019-04-14 23:21       ` Eric Sunshine [this message]
2019-04-15 12:54         ` Johannes Schindelin
2019-04-15 18:56           ` Thomas Gummerer
2019-04-17 11:52             ` Johannes Schindelin
2019-04-24 18:15               ` Thomas Gummerer
2019-04-15 12:53       ` Johannes Schindelin
2019-04-15 18:57         ` Thomas Gummerer
2019-04-14 21:09     ` [RFC PATCH 3/4] range-diff: add section header instead of diff header Thomas Gummerer
2019-04-14 23:29       ` Eric Sunshine
2019-04-15  6:28         ` Johannes Sixt
2019-04-15 13:01         ` Johannes Schindelin
2019-04-15 19:09           ` Thomas Gummerer
2019-04-14 21:09     ` [RFC PATCH 4/4] range-diff: add section headers to the outer hunk header Thomas Gummerer
2019-04-15 12:44       ` Johannes Schindelin
2019-04-15 18:48         ` Thomas Gummerer
2019-04-15 12:47     ` [RFC PATCH 0/4] output improvements for git range-diff Johannes Schindelin
2019-04-15 19:25       ` Thomas Gummerer

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