From: Jeff King <peff@peff.net>
To: Eric Sunshine <sunshine@sunshineco.com>
Cc: Denton Liu <liu.denton@gmail.com>,
Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH v2 4/7] pkt-line: extern packet_length()
Date: Mon, 18 May 2020 16:08:12 -0400 [thread overview]
Message-ID: <20200518200812.GA63978@coredump.intra.peff.net> (raw)
In-Reply-To: <CAPig+cQhZyyQ05B3xF1EkK0hpF8bXMbbPEJXGUdTkoZ5JaHO=Q@mail.gmail.com>
On Mon, May 18, 2020 at 01:50:52PM -0400, Eric Sunshine wrote:
> On Mon, May 18, 2020 at 12:04 PM Jeff King <peff@peff.net> wrote:
> > On Mon, May 18, 2020 at 11:47:21AM -0400, Denton Liu wrote:
> > > Change the function parameter from a `const char *` to
> > > `const char linelen[4]`. Even though these two types behave identically
> > > as function parameters, use the array notation to semantically indicate
> > > exactly what this function is expecting as an argument.
> >
> > > +/*
> > > + * Convert a four hex digit packet line length header into its numeric
> > > + * representation. linelen should not be null-terminated.
> >
> > Minor nit, but it is perfectly fine if there is a NUL. Maybe "linelen
> > does not need to be..."?
>
> I had the exact same reaction when reading "...should not be
> null-terminated", however, I'd prefer to drop mention of
> NUL-termination altogether since talking about it merely confuses the
> issue since it is quite clear both from the declaration (const
> char[4]) and the documentation "four hex digits" that 'linelen' is
> expected to contain exactly four hex digits and no NUL character(s).
Yeah, I think I have a slight preference for that, too.
> By the way, I find the argument name "linelen" highly confusing; every
> time I read it, I think it is an integral type, not a string or
> character array. I'd very much prefer to see it renamed to "s" (or
> something) or dropped altogether:
>
> int packet_length(const char[4]);
I think giving it _some_ name is useful. Maybe "const char
lenbuf_hex[4]".
-Peff
next prev parent reply other threads:[~2020-05-18 20:08 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 18:04 [PATCH 0/6] remote-curl: partial fix for a deadlock with stateless rpc Denton Liu
2020-05-13 18:04 ` [PATCH 1/6] remote-curl: fix typo Denton Liu
2020-05-13 18:04 ` [PATCH 2/6] remote-curl: remove label indentation Denton Liu
2020-05-13 18:04 ` [PATCH 3/6] transport: combine common cases with a fallthrough Denton Liu
2020-05-13 23:14 ` Eric Sunshine
2020-05-18 9:18 ` Denton Liu
2020-05-18 17:43 ` Eric Sunshine
2020-05-13 18:04 ` [PATCH 4/6] pkt-line: extern packet_length() Denton Liu
2020-05-13 23:23 ` Eric Sunshine
2020-05-15 20:56 ` Jeff King
2020-05-15 20:57 ` Jeff King
2020-05-13 18:04 ` [PATCH 5/6] remote-curl: error on incomplete packet Denton Liu
2020-05-15 21:38 ` Jeff King
2020-05-18 9:08 ` Denton Liu
2020-05-18 15:49 ` Jeff King
2020-05-13 18:04 ` [PATCH 6/6] remote-curl: ensure last packet is a flush Denton Liu
2020-05-15 21:02 ` Denton Liu
2020-05-15 21:41 ` Jeff King
2020-05-18 16:34 ` Junio C Hamano
2020-05-18 16:52 ` Jeff King
2020-05-18 21:00 ` Jeff King
2020-05-18 15:47 ` [PATCH v2 0/7] remote-curl: fix deadlocks when remote server disconnects Denton Liu
2020-05-18 15:47 ` [PATCH v2 1/7] remote-curl: fix typo Denton Liu
2020-05-18 15:47 ` [PATCH v2 2/7] remote-curl: remove label indentation Denton Liu
2020-05-18 18:37 ` Junio C Hamano
2020-05-18 15:47 ` [PATCH v2 3/7] transport: extract common fetch_pack() call Denton Liu
2020-05-18 18:40 ` Junio C Hamano
2020-05-18 15:47 ` [PATCH v2 4/7] pkt-line: extern packet_length() Denton Liu
2020-05-18 16:04 ` Jeff King
2020-05-18 17:50 ` Eric Sunshine
2020-05-18 20:08 ` Jeff King [this message]
2020-05-18 18:44 ` Junio C Hamano
2020-05-18 15:47 ` [PATCH v2 5/7] remote-curl: error on incomplete packet Denton Liu
2020-05-18 16:22 ` Jeff King
2020-05-18 16:51 ` Denton Liu
2020-05-18 15:47 ` [PATCH v2 6/7] pkt-line: PACKET_READ_RESPONSE_END Denton Liu
2020-05-18 15:47 ` [PATCH v2 7/7] stateless-connect: send response end packet Denton Liu
2020-05-18 16:43 ` Jeff King
2020-05-18 17:12 ` Denton Liu
2020-05-18 17:26 ` Jeff King
2020-05-18 16:50 ` [PATCH v2 0/7] remote-curl: fix deadlocks when remote server disconnects Jeff King
2020-05-18 17:36 ` Denton Liu
2020-05-18 20:58 ` Jeff King
2020-05-18 22:52 ` Junio C Hamano
2020-05-19 2:38 ` Jeff King
2020-05-18 19:36 ` Junio C Hamano
2020-05-19 10:53 ` [PATCH v3 " Denton Liu
2020-05-19 10:53 ` [PATCH v3 1/7] remote-curl: fix typo Denton Liu
2020-05-19 10:53 ` [PATCH v3 2/7] remote-curl: remove label indentation Denton Liu
2020-05-19 10:53 ` [PATCH v3 3/7] transport: extract common fetch_pack() call Denton Liu
2020-05-19 10:53 ` [PATCH v3 4/7] pkt-line: extern packet_length() Denton Liu
2020-05-19 16:23 ` Eric Sunshine
2020-05-19 10:53 ` [PATCH v3 5/7] remote-curl: error on incomplete packet Denton Liu
2020-05-19 10:53 ` [PATCH v3 6/7] pkt-line: define PACKET_READ_RESPONSE_END Denton Liu
2020-05-19 10:54 ` [PATCH v3 7/7] stateless-connect: send response end packet Denton Liu
2020-05-19 18:40 ` [PATCH v3 0/7] remote-curl: fix deadlocks when remote server disconnects Jeff King
2020-05-19 21:14 ` Denton Liu
2020-05-19 20:51 ` [PATCH v3 8/7] fixup! pkt-line: extern packet_length() Denton Liu
2020-05-22 13:33 ` [PATCH v3 9/9] fixup! remote-curl: error on incomplete packet Denton Liu
2020-05-22 15:54 ` Jeff King
2020-05-22 16:05 ` Denton Liu
2020-05-22 16:31 ` Jeff King
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