From: Tom Rini <trini@konsulko.com>
To: Simon Glass <sjg@chromium.org>
Cc: u-boot@lists.denx.de, "Sean Anderson" <seanga2@gmail.com>,
"Andrew Goodbody" <andrew.goodbody@linaro.org>,
"Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>,
"Casey Connolly" <casey.connolly@linaro.org>,
"Daniel Palmer" <daniel@thingy.jp>,
"Heiko Schocher" <hs@nabladev.com>,
"Heinrich Schuchardt" <xypron.glpk@gmx.de>,
"Hugo Villeneuve" <hvilleneuve@dimonoff.com>,
"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
"Jerome Forissier" <jerome.forissier@arm.com>,
"Joe Hershberger" <joe.hershberger@ni.com>,
"Kory Maincent (TI.com)" <kory.maincent@bootlin.com>,
"Marek Vasut" <marek.vasut+renesas@mailbox.org>,
"Mattijs Korpershoek" <mkorpershoek@kernel.org>,
"Michal Simek" <michal.simek@amd.com>,
"Mikhail Kshevetskiy" <mikhail.kshevetskiy@iopsys.eu>,
"Patrice Chotard" <patrice.chotard@foss.st.com>,
"Peng Fan" <peng.fan@nxp.com>,
"Peter Robinson" <pbrobinson@gmail.com>,
"Quentin Schulz" <quentin.schulz@cherry.de>,
"Varadarajan Narayanan" <varadarajan.narayanan@oss.qualcomm.com>,
"Yao Zi" <me@ziyao.cc>
Subject: Re: [RFC PATCH 00/11] Tidy command option parsing and use it a bit
Date: Fri, 15 May 2026 15:43:05 -0600 [thread overview]
Message-ID: <20260515214305.GL1858239@bill-the-cat> (raw)
In-Reply-To: <20260515203311.2555651-1-sjg@chromium.org>
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On Fri, May 15, 2026 at 02:32:51PM -0600, Simon Glass wrote:
> We have had getopt() for over five years but it is not much used. It is
> much easier to understand arg-parsing using getopt() and it avoids
> common errors. As the named maintainer I decided to look at how to make
> more use of it.
>
> So this series explores the impact of converting a few commands to use
> getopt() instead of ad-hoc parsing. It updates getopt() to handle flags
> anywhere in the cmdline and provides a few helpers to reduce
> boilerplate.
>
> The chosen commands are:
>
> - echo: very simple with no flags
> - hash: fairly simple with just one flag
> - env grep/export/import - fuller examples
>
> The series also adds a recommendation to use getopt() for new commands.
>
> To try to reduce the code-size increase, a lower-case function is added
> and called from a few places. The difference is fairly marginal.
>
> Overall, the result is not pretty (see below) with about a 1.1K size
> increase on arm64:
I think that means this is a no-go, and you need to work out what might
lead to a much smaller growth here.
--
Tom
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next prev parent reply other threads:[~2026-05-15 21:43 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 20:32 [RFC PATCH 00/11] Tidy command option parsing and use it a bit Simon Glass
2026-05-15 20:32 ` [RFC PATCH 01/11] lib: string: Add strlower() Simon Glass
2026-05-15 20:32 ` [RFC PATCH 02/11] cmd: ini: Use strlower() to normalise case Simon Glass
2026-05-15 20:32 ` [RFC PATCH 03/11] fs: fat: " Simon Glass
2026-05-15 20:32 ` [RFC PATCH 04/11] boot: pxe_utils: Use strlower() in get_string() Simon Glass
2026-05-15 20:32 ` [RFC PATCH 05/11] lib: getopt: Permute by default with inline reorder Simon Glass
2026-05-15 21:37 ` Sean Anderson
2026-05-20 20:42 ` Simon Glass
2026-05-15 20:32 ` [RFC PATCH 06/11] lib: getopt: Add getopt_pop() helper Simon Glass
2026-05-15 21:40 ` Sean Anderson
2026-05-20 20:41 ` Simon Glass
2026-05-15 20:32 ` [RFC PATCH 07/11] cmd: echo: Use getopt() with '+' prefix for option parsing Simon Glass
2026-05-15 21:58 ` Sean Anderson
2026-05-20 20:41 ` Simon Glass
2026-05-15 20:32 ` [RFC PATCH 08/11] cmd: hash: Use getopt() " Simon Glass
2026-05-15 20:33 ` [RFC PATCH 09/11] cmd: nvedit: Use getopt() in env grep Simon Glass
2026-05-15 20:33 ` [RFC PATCH 10/11] cmd: nvedit: Use getopt() in env export and env import Simon Glass
2026-05-15 20:33 ` [RFC PATCH 11/11] doc: commands: Recommend getopt() for option parsing Simon Glass
2026-05-15 21:43 ` Tom Rini [this message]
2026-05-15 21:59 ` [RFC PATCH 00/11] Tidy command option parsing and use it a bit Sean Anderson
2026-05-15 22:06 ` Sean Anderson
2026-05-15 22:21 ` Tom Rini
2026-05-15 22:27 ` Sean Anderson
2026-05-20 20:40 ` Simon Glass
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