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Date:      Sat, 15 Sep 2001 07:06:41 -0700
From:      Dima Dorfman <dima@unixfreak.org>
To:        Dag-Erling Smorgrav <des@ofug.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/usr.sbin/syslogd Makefile syslogd.c 
Message-ID:  <20010915140646.C64EE3E28@bazooka.unixfreak.org>
In-Reply-To: <xzpy9ngr1v4.fsf@flood.ping.uio.no>; from des@ofug.org on "15 Sep 2001 15:59:43 %2B0200"

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Dag-Erling Smorgrav <des@ofug.org> wrote:
> Dima Dorfman <dd@FreeBSD.org> writes:
> >   - Apply WARNS=1.  WARNS=2 was not used because this program assigns
> >     string literals to (struct iovec).iov_base for writing, and the only
> >     clean way to silence -Wwrite-strings in that case would be to
> >     strdup() and consequently free() those literals, which I considered
> >     too disruptive.
> 
> (const char *)iov.iov_base = "foo";

This is a GCC'ism.  I actually did this, but bde didn't like it too
much, and I decided that WARNS=1 without GCC'isms was better than
WARNS=2 with GCC'isms.

> Other possible solutions include creating a "shadow" struc iov that
> declares iov_base as const char * and can only be used for writing, or
> fixing up struct iov to make iov_base a union (with appropriate
> compatibility macros) with both char * and a const char * members.

This has been suggested before, but I don't remember why (if?) it was
rejected.

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