From: Robear Selwans <rwagih.rw@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Abhishek Kumar" <abhishekkumar8222@gmail.com>,
git@vger.kernel.org, "René Scharfe" <l.s.r@web.de>,
"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
"Jeff King" <peff@peff.net>,
"Pratik Karki" <predatoramigo@gmail.com>
Subject: Re: [GSoC][RFC][PATCH 2/2] STRBUF_INIT_CONST: Adapting strbuf_* functions
Date: Wed, 19 Feb 2020 06:34:19 +0200 [thread overview]
Message-ID: <CALH1-XoXdpAxYj7r1ouc-v4KrVuYDocBFFC++7eFiRwdHFxmUA@mail.gmail.com> (raw)
In-Reply-To: <xmqqv9o3gthb.fsf@gitster-ct.c.googlers.com>
On Wed, Feb 19, 2020 at 5:13 AM Junio C Hamano <gitster@pobox.com> wrote:
>
> Yes, but the case that matters to _your_ use is sb->alloc == 0. You
> do not want to let a broken strbuf (presumably broken by changes
> other than your own) to pass, when you can detect it. And for that,
> paying attention to sb->len _might_ make sense, but then the check
> won't be
>
> if (sb->alloc < sb->len)
> make it mutable;
>
> you'd rather be writing something like
>
> if (!sb->alloc)
> make it mutable;
> else if (sb->alloc < sb->len)
> BUG("somebody fed a corrupt strbuf to me");
Ooh so what you meant, is that corrupt `strbuf`s need to be
anticipated even if they
don't make much sense. Smart.
next prev parent reply other threads:[~2020-02-19 4:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 9:30 [GSoC][RFC][PATCH 2/2] STRBUF_INIT_CONST: Adapting strbuf_* functions Abhishek Kumar
2020-02-18 14:42 ` Robear Selwans
2020-02-18 20:46 ` Junio C Hamano
2020-02-19 1:43 ` Robear Selwans
2020-02-19 2:05 ` Jeff King
2020-02-19 3:13 ` Junio C Hamano
2020-02-19 4:34 ` Robear Selwans [this message]
2020-02-19 10:44 ` Junio C Hamano
-- strict thread matches above, loose matches on Subject: below --
2020-02-18 4:18 [GSoC][RFC][PATCH 0/2] STRBUF_INIT_CONST Cover Robear Selwans
2020-02-18 4:18 ` [GSoC][RFC][PATCH 2/2] STRBUF_INIT_CONST: Adapting strbuf_* functions Robear Selwans
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