Re: Three patches for 0.9.14

Thanks, I realized we already checked the existence of stdalign.h, so we
can assume availability of _Alignas if the header exists.



On Thu, Apr 4, 2024 at 3:08 PM NIIBE Yutaka <[email protected]> wrote:

> Hello, again,
>
> Shiro Kawai <[email protected]> wrote:
> > I applied the fixes and pushed the commits.
>
> Thank you for your quick work.
>
>
> After I submitted the patches, I leaned that C11 supports "_Alignas" in
> the declaration syntax.  Similarly, C23 has "alignas".
>
>     https://en.cppreference.com/w/c/language/_Alignas
>
> So, if/when needed for some newer compilers other than GCC, use of
> "_Alignas" or "alignas" would be good.
>
> I checked autoconf and autoconf-archive for checking the feature, but I
> haven't found any existing macro for that.
>
>
> And I found that signed integer overflow is specifically addressed in
> the GNU C Reference Manual:
>
>     https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#Overflow
>
> I learned that it's from the Autoconf manual.
>
>
> It's fun to see there are still things to learn in the language (or any
> languages).  Well, it's a season to start something in Japan.  I just
> bought the textbook of NHK radio program for Chinese language.
> --
>

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