From: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
To: Junio C Hamano <gitster@pobox.com>
Cc: Tanay Abhra <tanayabh@gmail.com>,
git@vger.kernel.org, Ramkumar Ramachandra <artagnon@gmail.com>
Subject: Re: [PATCH v3 2/6] branch.c: replace `git_config()` with `git_config_get_string()`
Date: Mon, 21 Jul 2014 20:06:41 +0200 [thread overview]
Message-ID: <vpqppgymvri.fsf@anie.imag.fr> (raw)
In-Reply-To: <xmqqiomqk2yu.fsf@gitster.dls.corp.google.com> (Junio C. Hamano's message of "Mon, 21 Jul 2014 10:59:21 -0700")
Junio C Hamano <gitster@pobox.com> writes:
> Tanay Abhra <tanayabh@gmail.com> writes:
>
>> - if (cb.value)
>> - strbuf_addstr(buf, cb.value);
>> + strbuf_addstr(buf, v);
>> + free((char*)v);
>
> In this cast, I smell an API mistake to insist an extra constness to
> the output parameter of git_config_get_string() in [3/4] of the
> previous series. Unlike the underlying git_config_get_value(),
> which lets the caller peek into the internal cached copy, the caller
> of git_config_get_string() is given its own copy, and I do not
> offhand see a good reason to forbid the caller from modifying it.
Indeed. My suggestion to change the declaration of char * variables
actually seem like a workaround for an API mistake after reading this.
(well, actually, the declaration could be modified if we think it brings
any new safety, but that should be another topic)
--
Matthieu Moy
http://www-verimag.imag.fr/~moy/
next prev parent reply other threads:[~2014-07-21 18:06 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-21 11:12 [PATCH v3 0/6] git_config callers rewritten with the new config cache API Tanay Abhra
2014-07-21 11:12 ` [PATCH v3 1/6] alias.c: replace `git_config()` with `git_config_get_string()` Tanay Abhra
2014-07-21 12:52 ` Matthieu Moy
2014-07-21 13:43 ` Ramsay Jones
2014-07-31 17:13 ` Samuel Bronson
2014-07-21 11:12 ` [PATCH v3 2/6] branch.c: " Tanay Abhra
2014-07-21 17:59 ` Junio C Hamano
2014-07-21 18:06 ` Matthieu Moy [this message]
2014-07-21 18:11 ` Tanay Abhra
2014-07-21 11:12 ` [PATCH v3 3/6] imap-send.c: replace `git_config()` with `git_config_get_*()` family Tanay Abhra
2014-07-21 18:00 ` Junio C Hamano
2014-07-21 11:12 ` [PATCH v3 4/6] notes.c: replace `git_config()` with `git_config_get_value()` Tanay Abhra
2014-07-21 11:12 ` [PATCH v3 5/6] pager.c: " Tanay Abhra
2014-07-21 11:12 ` [PATCH v3 6/6] notes-util.c: " Tanay Abhra
2014-07-22 11:23 ` Jeff King
2014-07-21 11:44 ` [PATCH/RFC] rewrite `git_default_config()` using config-set API functions Tanay Abhra
2014-07-21 13:43 ` Matthieu Moy
2014-07-21 14:23 ` Tanay Abhra
2014-07-21 15:37 ` Matthieu Moy
2014-07-21 18:07 ` Junio C Hamano
2014-07-22 7:55 ` Matthieu Moy
2014-07-21 13:59 ` Ramsay Jones
2014-07-21 12:51 ` [PATCH v3 0/6] git_config callers rewritten with the new config cache API Matthieu Moy
2014-07-21 13:15 ` Tanay Abhra
2014-07-21 13:45 ` Matthieu Moy
2014-07-21 14:00 ` Tanay Abhra
2014-07-21 14:27 ` Matthieu Moy
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