From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Joe Perches <joe@perches.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Alessandro Zummo <a.zummo@towertech.it>,
linux-rtc@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Mark Salyzyn <salyzyn@android.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Guan Xuetao <gxt@mprc.pku.edu.cn>, Ingo Molnar <mingo@kernel.org>,
Jason Wessel <jason.wessel@windriver.com>,
Jonathan Corbet <corbet@lwn.net>,
Jonathan Hunter <jonathanh@nvidia.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH v2 01/21] lib/vsprintf: Print time and date in human readable format via %pt
Date: Wed, 21 Feb 2018 10:16:37 +0100 [thread overview]
Message-ID: <20180221091637.GK18058@piout.net> (raw)
In-Reply-To: <1519170907.4326.17.camel@perches.com>
On 20/02/2018 at 15:55:07 -0800, Joe Perches wrote:
> On Tue, 2018-02-20 at 23:43 +0200, Andy Shevchenko wrote:
> > +static noinline_for_stack
> > +char *time_str(char *buf, char *end, const struct rtc_time *tm, bool v, bool r)
> > +{
>
> Maybe use unsigned int temporaries here too for hour, min, sec
>
> > + if (unlikely(v && (unsigned int)tm->tm_hour > 24))
> > + buf = string(buf, end, "**", default_str_spec);
> > + else
> > + buf = number(buf, end, tm->tm_hour, default_dec02_spec);
> > +
> > + if (buf < end)
> > + *buf = ':';
> > + buf++;
> > +
> > + if (unlikely(v && (unsigned int)tm->tm_min > 59))
>
> leap seconds are allowed in the struct
>
No, they are not:
https://elixir.bootlin.com/linux/v4.15.4/source/drivers/rtc/rtc-lib.c#L108
--
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2018-02-21 9:16 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-20 21:43 [PATCH v2 00/21] lib, rtc: Print rtc_time via %ptR[dt][rv] Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 01/21] lib/vsprintf: Print time and date in human readable format via %pt Andy Shevchenko
2018-02-20 23:55 ` Joe Perches
2018-02-21 7:38 ` Rasmus Villemoes
2018-02-21 13:23 ` Andy Shevchenko
2018-02-21 14:19 ` Geert Uytterhoeven
2018-02-22 12:46 ` Andy Shevchenko
2018-02-21 9:16 ` Alexandre Belloni [this message]
2018-02-21 13:19 ` Andy Shevchenko
2018-02-21 9:33 ` Geert Uytterhoeven
2018-02-21 14:02 ` Andy Shevchenko
2018-02-21 14:05 ` Andy Shevchenko
2018-03-14 16:54 ` Dmitry Torokhov
2018-02-20 21:43 ` [PATCH v2 02/21] rtc: Switch to use %ptR Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 03/21] rtc: at91rm9200: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 04/21] rtc: at91sam9: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 05/21] rtc: m41t80: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 06/21] rtc: m48t59: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 07/21] rtc: mcp795: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 08/21] rtc: pcf50633: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 09/21] rtc: pic32: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 10/21] rtc: pm8xxx: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 11/21] rtc: puv3: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 12/21] rtc: rk808: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 13/21] rtc: rx6110: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 14/21] rtc: rx8025: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 15/21] rtc: s3c: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 16/21] rtc: s5m: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 17/21] rtc: tegra: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 18/21] ds1302: " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 19/21] Input: hp_sdc_rtc - " Andy Shevchenko
2018-02-20 21:43 ` [PATCH v2 20/21] mk68/mac: " Andy Shevchenko
2018-02-21 9:38 ` Geert Uytterhoeven
2018-02-21 14:04 ` Andy Shevchenko
2018-02-20 21:44 ` [PATCH v2 21/21] PM: " Andy Shevchenko
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