Date: Tue, 4 Jun 2019 19:21:04 -0700 From: Conrad Meyer <cem@freebsd.org> To: Bruce Evans <brde@optusnet.com.au> Cc: Gleb Smirnoff <glebius@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org> Subject: Re: svn commit: r348419 - in head: crypto/heimdal/lib/ipc share/man/man4 sys/compat/linux sys/kern sys/sys usr.sbin/mountd Message-ID: <CAG6CVpU-M-Lh3h2UHhPM4feGLBbxsvzDw93%2BC0RXdUD8tptjGQ@mail.gmail.com> In-Reply-To: <20190605095458.S1083@besplex.bde.org> References: <201905301424.x4UEORXr098755@repo.freebsd.org> <20190604225128.GL21836@FreeBSD.org> <20190605095458.S1083@besplex.bde.org>
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On Tue, Jun 4, 2019 at 6:31 PM Bruce Evans <brde@optusnet.com.au> wrote:
> On Tue, 4 Jun 2019, Gleb Smirnoff wrote:
> > Why don't use C99 in 2019 instead of preprocessor define? Should be
> >
> > union {
> > void *_cr_unused1; /* compatibility with old ucred */
> > pid_t cr_pid;
> > };
>
> Anonymous unions are a gnu89 extension. Only broken C99 compilers like
> clang -std=c99 accept them.
>
> [Pedantic tangent elided.]
Gleb simply misspoke. Anonymous unions are part of the standard C11,
rather than C99, language; ยง6.7.2.1, (13).
The point stands; it's 2019 and the feature has been part of the
working language long prior to its standardization in 2011.
Cheers,
Conrad
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