Re: [PATCH v1 1/4] lib/vsprintf: Print time64_t in human readable format

From: Alexandre Belloni
Date: Tue Oct 01 2019 - 07:48:25 EST


On 01/10/2019 14:36:55+0300, Andy Shevchenko wrote:
> On Mon, Sep 30, 2019 at 10:08:09PM +0200, Alexandre Belloni wrote:
> > > > Maybe be rtc_str should take a struct tm instead of an rtc_time so
> > > > time64_to_rtc_time always uses time64_to_tm.
> > >
> > > Because this one, while sounding plausible, maybe too invasive on current
> > > state of affairs.
> >
> > Well, if the kernel struct tm had an int tm_year instead of long
> > tm_year, then you could simply cast a struct rtc_time to a struct tm.
>
> I don't think so. It will be error prone from endianess prospective on
> 64-bit platforms.
>

I don't get why, as long as the first members of both structs are the
same, this should work.

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com