Re: [PATCH 01/25] asm-generic: Change time_t and clock_t to 64 bit

Geert Uytterhoeven
2014-05-14T10:44:33Z

On Wed, May 14, 2014 at 5:47 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 05/13/2014 03:22 AM, James Hogan wrote:
>>> When we export this posix_types.h file for user software, they need to
>>> define this config, eg: CONFIG_32BIT_TIME to use 32 bit time. Is this
>>> what we want to do?
>>
>> Yeh, good point, that won't work.
>
> How about:
>
> #include <asm-generic/types/time32.h>
>
> The asm-generic/types/ directory can be used for all kinds of type
> templates, like int-ll64.h and the (now removed) former int-l64.h.

That should more or less work. But better call it time-l.h, as time_t
should be 64-bit on 64-bit architectures. Else 32/64-bit architectures
still need an #ifdef.

Will time_t stay "long" (and not become "long long") on 64-bit?

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
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-- Linus Torvalds