linux-kernel - Re: rtc_valid_tm doesn't check tm

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Date:	Tue, 29 Apr 2008 03:40:16 -0700
From:	David Brownell <david-b@...bell.net>
To:	Uwe Kleine-König <Uwe.Kleine-Koenig@...i.com>
Cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	linux-kernel@...r.kernel.org
Subject: Re: rtc_valid_tm doesn't check tm_wday

On Monday 28 April 2008, Uwe Kleine-König wrote:
> Hello,
> 
> I'm currently writing an rtc driver and want to use rtc_valid_tm to
> assert to have a valid date before writing it to the rtc.
> 
> Now I wonder why rtc_valid_tm doesn't check tm_wday for being in the
> range [0 .. 6].  Is there a reason?

As far as I know, the kernel doesn't use tm_wday, tm_yday, or
tm_isdst ... so none of those fields are expected to be valid.
See the rtc(4) manpage.

- Dave
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