From: Carlo Arenas <carenas@gmail.com>
To: Eric Sunshine <sunshine@sunshineco.com>
Cc: Jeff King <peff@peff.net>, Git List <git@vger.kernel.org>,
Hamza Mahfooz <someguy@effective-light.com>
Subject: Re: [PATCH 1/5] grep: stop modifying buffer in strip_timestamp
Date: Mon, 20 Sep 2021 22:40:48 -0700 [thread overview]
Message-ID: <CAPUEsphR5AYUz9eLjexfH0jZWiqgpU06x1ZD9rKb7PBU3z6pJQ@mail.gmail.com> (raw)
In-Reply-To: <CAPig+cQnC1LLPtuC0qVX7EQ_ki4pev6scRox3utA45XeLHfGig@mail.gmail.com>
On Mon, Sep 20, 2021 at 10:24 PM Eric Sunshine <sunshine@sunshineco.com> wrote:
>
> On Tue, Sep 21, 2021 at 1:18 AM Carlo Arenas <carenas@gmail.com> wrote:
> > On Mon, Sep 20, 2021 at 9:09 PM Jeff King <peff@peff.net> wrote:
> > > @@ -971,7 +966,7 @@ static int match_one_pattern(struct grep_pat *p, char *bol, char *eol,
> > > switch (p->field) {
> > > case GREP_HEADER_AUTHOR:
> > > case GREP_HEADER_COMMITTER:
> > > - saved_ch = strip_timestamp(bol, &eol);
> > > + strip_timestamp(bol, &eol);
> >
> > Why not something like (plus added error handling, even if it seems
> > the original didn't have them)?
> >
> > eol = strrchr(bol, '>');
>
> strrchr() would search backward from the NUL, not from `eol`, thus
> would not be a faithful conversion (and might not be safe, though I
> didn't dig through all the callers).
of course; I meant memrchr, which I guess will need to have also a
compat version[1]
this is the only caller for strip_timestamp()
[1] https://www.gnu.org/software/gnulib/manual/html_node/memrchr.html
next prev parent reply other threads:[~2021-09-21 5:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-21 3:45 [PATCH 0/5] const-correctness in grep.c Jeff King
2021-09-21 3:46 ` [PATCH 1/5] grep: stop modifying buffer in strip_timestamp Jeff King
2021-09-21 5:18 ` Carlo Arenas
2021-09-21 5:24 ` Eric Sunshine
2021-09-21 5:40 ` Carlo Arenas [this message]
2021-09-21 5:43 ` Jeff King
2021-09-21 6:42 ` Carlo Marcelo Arenas Belón
2021-09-21 7:37 ` René Scharfe
2021-09-21 14:24 ` Jeff King
2021-09-21 21:02 ` Ævar Arnfjörð Bjarmason
2021-09-22 20:20 ` Jeff King
2021-09-23 0:53 ` Ævar Arnfjörð Bjarmason
2021-09-21 3:48 ` [PATCH 2/5] grep: stop modifying buffer in show_line() Jeff King
2021-09-21 4:22 ` Taylor Blau
2021-09-21 4:42 ` Jeff King
2021-09-21 4:45 ` Taylor Blau
2021-09-21 3:48 ` [PATCH 3/5] grep: stop modifying buffer in grep_source_1() Jeff King
2021-09-21 3:49 ` [PATCH 4/5] grep: mark "haystack" buffers as const Jeff King
2021-09-21 12:04 ` Ævar Arnfjörð Bjarmason
2021-09-21 14:27 ` Jeff King
2021-09-21 3:51 ` [PATCH 5/5] grep: store grep_source buffer " Jeff King
2021-09-21 4:30 ` [PATCH 0/5] const-correctness in grep.c Taylor Blau
2021-09-21 12:07 ` Ævar Arnfjörð Bjarmason
2021-09-21 14:49 ` Jeff King
2021-09-21 12:45 ` [PATCH 6/5] grep.c: mark eol/bol and derived as "const char * const" Ævar Arnfjörð Bjarmason
2021-09-21 14:53 ` Jeff King
2021-09-21 15:17 ` Ævar Arnfjörð Bjarmason
2021-09-21 19:18 ` Jeff King
2021-09-23 13:56 ` Ævar Arnfjörð Bjarmason
2021-09-24 4:22 ` Junio C Hamano
2021-09-22 19:02 ` Junio C Hamano
2021-09-22 18:57 ` [PATCH 0/5] const-correctness in grep.c Junio C Hamano
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