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From: Tom Rini <trini@konsulko.com>
To: "Jonathan A. Kollasch" <jakllsch@kollasch.net>
Cc: "Simon Glass" <sjg@chromium.org>,
	"U-Boot Mailing List" <u-boot@lists.denx.de>,
	"Eugeniu Rosca" <erosca@de.adit-jv.com>,
	"Roland Gaudig" <roland.gaudig@weidmueller.com>,
	"Heinrich Schuchardt" <xypron.glpk@gmx.de>,
	"Stefan Herbrechtsmeier" <stefan.herbrechtsmeier@weidmueller.com>,
	"Sean Anderson" <seanga2@gmail.com>,
	"Marek Behún" <marek.behun@nic.cz>, "Marek Vasut" <marex@denx.de>,
	"Joe Hershberger" <joe.hershberger@ni.com>
Subject: Re: [PATCH 00/15] lib: Add support for a decimal 0m prefix for numbers
Date: Tue, 20 Jul 2021 11:04:44 -0400	[thread overview]
Message-ID: <20210720150444.GL9379@bill-the-cat> (raw)
In-Reply-To: <20210720150012.GW6855@tazenda.kollasch.net>

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On Tue, Jul 20, 2021 at 10:00:13AM -0500, Jonathan A. Kollasch wrote:
> On Tue, Jul 20, 2021 at 07:29:24AM -0600, Simon Glass wrote:
> > U-Boot mostly uses hex for value input, largely because addresses are much
> > easier to understand in hex.
> > 
> > But in some cases a hex value is requested, but it is more convenient to
> > provide a decimal value. This may be because the value comes from another
> > source, where its base cannot be controlled.
> > 
> > This series adds support for a 0m prefix to indicate a decimal number. The
> > letter 'm' is chosen because:
> > 
> >    - 'm' as in deciMal
> >    - cannot use a-f since they indicate a hex value (e.g. 0d would be
> >        ambiguous)
> >    - 'l' is harder to read since 1 and l look similar (0l123)
> >    - 't' (as in ten) seems a bit obscure
> 
> NetBSD ddb(4) uses 0t as a prefix for base 10.

Oh no... And per
https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/n--set-number-base-
there's examples of '0t' being decimal and '0n' being decimal.

http://web.mit.edu/~jik/sipbsrc/sun4c_53/lsof/lsof_3.61/00FAQ uses 0t
the same way NetBSD ddb(4) does.
https://docs.oracle.com/cd/E19683-01/806-6545/api-21/index.html is also
using 0t for decimal.

-- 
Tom

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  reply	other threads:[~2021-07-20 15:05 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-20 13:29 [PATCH 00/15] lib: Add support for a decimal 0m prefix for numbers Simon Glass
2021-07-20 13:29 ` [PATCH 01/15] hash: Ensure verification hex pairs are terminated Simon Glass
2021-07-20 13:29 ` [PATCH 02/15] global: Convert simple_strtoul() with hex to hextoul() Simon Glass
2021-07-20 13:29 ` [PATCH 03/15] global: Convert simple_strtoul() with decimal to dectoul() Simon Glass
2021-07-20 13:29 ` [PATCH 04/15] lib: Comment the base parameter with simple_strtoul/l() Simon Glass
2021-07-20 13:29 ` [PATCH 05/15] lib: Drop unnecessary check for hex digit Simon Glass
2021-07-20 13:29 ` [PATCH 06/15] lib: Add tests for simple_strtoull() Simon Glass
2021-07-20 13:29 ` [PATCH 07/15] lib: Add octal tests for simple_strtoul/l() Simon Glass
2021-07-20 13:29 ` [PATCH 08/15] lib: Move common digit-parsing code into a function Simon Glass
2021-07-20 13:29 ` [PATCH 09/15] doc: Convert command-line info to rST Simon Glass
2021-07-20 13:29 ` [PATCH 10/15] doc: Add a note about number representation Simon Glass
2021-07-20 13:29 ` [PATCH 11/15] lib: Allow using 0x when a decimal value is requested Simon Glass
2021-07-20 13:29 ` [PATCH 12/15] lib: Support a decimal prefix 0m Simon Glass
2021-07-20 13:29 ` [PATCH 13/15] RFC: lib: Support a binary prefix 0y Simon Glass
2021-07-21  8:05   ` Sean Anderson
2021-07-21  8:30     ` Wolfgang Denk
2021-07-21  8:27   ` Wolfgang Denk
2021-07-21 14:23     ` Simon Glass
2021-07-22  9:48       ` Wolfgang Denk
2021-07-22 13:28         ` Simon Glass
2021-07-22 14:44           ` Tom Rini
2021-07-23  3:07             ` Simon Glass
2021-07-23  6:55           ` Wolfgang Denk
2021-07-23 21:41             ` Simon Glass
2021-07-24 13:00               ` Wolfgang Denk
2021-07-20 13:29 ` [PATCH 14/15] RFC: lib: Use 0o prefix for octal Simon Glass
2021-07-20 13:29 ` [PATCH 15/15] RFC: Change simple_strtoul() et al to default to hex Simon Glass
2021-07-20 14:22 ` [PATCH 00/15] lib: Add support for a decimal 0m prefix for numbers Tom Rini
2021-07-20 15:57   ` Simon Glass
2021-07-20 16:05     ` Tom Rini
2021-07-20 16:30       ` Eugeniu Rosca
2021-07-20 18:33       ` Simon Glass
2021-07-20 19:28         ` Tom Rini
2021-07-21 13:57           ` Simon Glass
2021-07-21  7:52       ` Wolfgang Denk
2021-07-21 14:46         ` Simon Glass
2021-07-23 21:41           ` Simon Glass
2021-07-20 15:00 ` Jonathan A. Kollasch
2021-07-20 15:04   ` Tom Rini [this message]
2021-07-21  7:42 ` Wolfgang Denk

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