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Subject: Re: [PATCH v3] Many pages: Document fixed-width types with ISO C
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From:   Xi Ruoyao <xry111@xry111.site>
To:     Alejandro Colomar <alx.manpages@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc:     linux-man <linux-man@vger.kernel.org>,
        Rich Felker <dalias@libc.org>,
        Alexei Starovoitov <ast@kernel.org>,
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        Alexei Starovoitov <alexei.starovoitov@gmail.com>,
        Joseph Myers <joseph@codesourcery.com>,
        linux-arch <linux-arch@vger.kernel.org>,
        Zack Weinberg <zackw@panix.com>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Alex Colomar <alx@kernel.org>,
        Michael Kerrisk <mtk.manpages@gmail.com>,
        Cyril Hrubis <chrubis@suse.cz>, Arnd Bergmann <arnd@arndb.de>,
        GCC <gcc-patches@gcc.gnu.org>, LTP List <ltp@lists.linux.it>,
        Florian Weimer <fweimer@redhat.com>,
        glibc <libc-alpha@sourceware.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
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        David Laight <David.Laight@aculab.com>,
        Linux API <linux-api@vger.kernel.org>,
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Date:   Thu, 25 Aug 2022 15:28:32 +0800
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On Thu, 2022-08-25 at 09:20 +0200, Alejandro Colomar via Gcc-patches
wrote:
> I don't know for sure, and I never pretended to say otherwise.=C2=A0 But =
what=20
> IMHO the kernel could do is to make the types compatible, by typedefing=
=20
> to the same fundamental types (i.e., long or long long) that user-space=
=20
> types do.

In user-space things are already inconsistent as we have multiple libc
implementations.  Telling every libc implementation to sync their
typedef w/o a WG14 decision will only cause "aggressive discussion" (far
more aggressive than this thread, I'd say).

If int64_t etc. were defined as builtin types since epoch, things would
be a lot easier.  But we can't change history.

--=20
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University