Date: Thu, 16 May 2002 21:58:56 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Akinori MUSHA <knu@iDaemons.org> Cc: Bill Fenner <fenner@research.att.com>, <obrien@FreeBSD.ORG>, <rivers@dignus.com>, <audit@FreeBSD.ORG>, <current@FreeBSD.ORG> Subject: Re: moused(8): char signed-ness problem with gcc 3.1 Message-ID: <20020516215731.K499-100000@gamplex.bde.org> In-Reply-To: <86k7q48h2w.wl@archon.local.idaemons.org>
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On Thu, 16 May 2002, Akinori MUSHA wrote:
> [CC: obrien, who has been working on bringing in gcc 3.1]
>
> At Wed, 15 May 2002 20:46:06 -0700,
> Bill Fenner wrote:
> > So, who's gonna report it to gcc-bugs? knu?...
> >
> > int
> > main()
> > {
> > unsigned char i = 127;
> > char j;
> >
> > printf("%d\n", ((char)(i << 1)));
> > j = ((char)(i << 1)) / 2;
> > printf("%d\n", j);
> > j = ((char)(i << 1));
> > printf("%d\n", j / 2);
> > return 0;
> > }
>
> Somehow, specifying -fsigned-char, which I thought was the default,
> fixed the problem. So, the cause may be in our configuration of gcc?
-fsigned-char doesn't fix it for me. Neither does repacling "char" by
"signed char".
moused is broken too. It assumes that plain chars are signed.
Bruce
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