Re: Non-Portable pointer assignment?

Article View: comp.std.c

Article #3108

#3108

From: Henry Spencer
Date: Fri, 07 Jun 1991 16:17

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In article <1991Jun7.013605.728@tkou02.enet.dec.com> diamond@jit533.enet@tkou02.enet.dec.com (Norman Diamond) writes:
>If you really want to be horrified, I cannot find any requirement that
>an enumeration type actually be able to hold all of the values of its
>members...

It's worse than that.  Recently it was pointed out that a named enumeration
type is in scope as soon as its name is seen, and since there is no provision
for incomplete enumerated types, that means that `sizeof(enumtype)' is legal
before the members have been seen... so the size of the type cannot depend
on the values of the members!!  (In X3J11's defence, this probably was not
deliberate.)
-- 
"We're thinking about upgrading from    | Henry Spencer @ U of Toronto Zoology
SunOS 4.1.1 to SunOS 3.5."              |  henry@zoo.toronto.edu  utzoo!henry

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<mccX31w164w@cybrspc> <JXey32w164w@dat1hb.north.de> <1991Jun5.085138.21366@prl.dec.com> <1991Jun5.150527.22942@klaava.Helsinki.FI> <MCDANIEL.91Jun6111329@dolphin.adi.com> <1991Jun7.013605.728@tkou02.enet.dec.com>

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Newsgroups: comp.std.c
Path: arc1-ca.pugleaf.net!utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: Non-Portable pointer assignment?
Message-ID: <1991Jun7.161752.9625@zoo.toronto.edu>
Date: Fri, 7 Jun 1991 16:17:52 GMT
References: <mccX31w164w@cybrspc> <JXey32w164w@dat1hb.north.de> <1991Jun5.085138.21366@prl.dec.com> <1991Jun5.150527.22942@klaava.Helsinki.FI> <MCDANIEL.91Jun6111329@dolphin.adi.com> <1991Jun7.013605.728@tkou02.enet.dec.com>
Organization: U of Toronto Zoology

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