Article View: comp.std.c
Article #903Re: Why can't you define an external object twice and never use it?
From: Walter Murray
Date: Mon, 13 Nov 1989 17:32
Date: Mon, 13 Nov 1989 17:32
23 lines
1084 bytes
1084 bytes
Paul Eggert writes:
> The program
> int X = 0;
> int X = 0;
> main() { return 0; }
>is ``obviously'' not ANSI C, but where does the proposed ANSI standard say so?
>X has multiple external definitions with external linkage, but X is never used.
I think it's even worse. As far as I can tell, even the following
program is strictly conforming, but I'll be happy if someone can
prove otherwise.
int object = 1;
int object = 2;
function () { return 3; }
function () { return 4; }
main () { }
Looks like an oversight in the dpANS.
Walter Murray
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!apple!motcsd!hpda!hpcuhb!hpcllla!hpclisp!hpclwjm!walter From: walter@hpclwjm.HP.COM (Walter Murray) Newsgroups: comp.std.c Subject: Re: Why can't you define an external object twice and never use it? Message-ID: <12570030@hpclwjm.HP.COM> Date: 13 Nov 89 17:32:32 GMT References: <53@looney.twinsun.com> Organization: Hewlett-Packard Calif. Language Lab Lines: 23