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Re: [lwip-devel] Concerning #define SZT_F PRIuMAX
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From: |
Ambroz Bizjak |
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Subject: |
Re: [lwip-devel] Concerning #define SZT_F PRIuMAX |
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Date: |
Sat, 2 Jul 2016 01:02:47 +0200 |
Sorry, I meant to refer to this commit:
http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=d3e55185c6b34d2d51c780af3c1ee77474572ba3
On Sat, Jul 2, 2016 at 12:59 AM, Ambroz Bizjak <address@hidden> wrote:
> Hi all,
>
> With regard to commit
> http://git.savannah.gnu.org/cgit/lwip.git/patch/?id=e6bc591a1e194e7b140e039190bd0468314a261b
>
> I'm sure this is wrong generally and specifically on the many (most?)
> 32-bit platforms, where size_t is 32-bit but uintmax_t is uint64_t.
>
> As far as I know, the C99 standard has %zu for printing a size_t, but
> I know this is a problem to use because you cannot know easily if it
> is supported.
>
> However, I think that "#define SZT_F PRIuPTR" has a much better chance
> of being right, making the assumption that uintptr_t is the same as
> size_t.
>
> Best regards,
> Ambroz