Date: 15 Jul 2002 17:25:27 +0200 From: Dag-Erling Smorgrav <des@ofug.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: keramida@FreeBSD.ORG, bde@zeta.org.au, freebsd-audit@FreeBSD.ORG Subject: Re: bin/ln & WARNS=5 Message-ID: <xzpn0st6mjc.fsf@flood.ping.uio.no> In-Reply-To: <20020715.090542.07693309.imp@bsdimp.com> References: <20020715112116.GE50130@hades.hell.gr> <xzpsn2l8bob.fsf@flood.ping.uio.no> <20020715114437.GA51994@hades.hell.gr> <20020715.090542.07693309.imp@bsdimp.com>
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"M. Warner Losh" <imp@bsdimp.com> writes:
> : > There are two different cases - one is "sizeof(type)" which requires
> : > parentheses, the other is "sizeof variable" which doesn't. In the
> : > latter case, the rule about avoiding unnecessary parentheses applies.
> That's not always the case. sizeof type always works too.
No, "sizeof type" is a syntax error in C89 and C99.
des@des ~% cat /tmp/sizeof.c
int
main(void)
{
int one = sizeof char;
return one;
}
des@des ~% cc -o /dev/null /tmp/sizeof.c
/tmp/sizeof.c: In function `main':
/tmp/sizeof.c:4: syntax error before "char"
DES
--
Dag-Erling Smorgrav - des@ofug.org
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