Path: utzoo!mnetor!uunet!husc6!im4u!ut-sally!bcm!eyeball.ophth.bcm.tmc.edu!biff
From: biff@eyeball.ophth.bcm.tmc.edu (Brad Daniels)
Newsgroups: comp.lang.c
Subject: Re: Is &a[NTHINGS] legal
Message-ID: <1086@gazette.bcm.tmc.edu>
Date: 5 May 88 22:11:21 GMT
References: <12074@tut.cis.ohio-state.edu>
Sender: usenet@bcm.tmc.edu
Reply-To: biff@eyeball.ophth.bcm.tmc.edu.UUCP (Brad Daniels)
Organization: Low Vision Project, Baylor College of Medicine, Houston, Tx
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In article <12074@tut.cis.ohio-state.edu> lvc@tut.cis.ohio-state.edu
(Lawrence V. Cipriani) writes:
>Is it legal to apply the & (address of) operator to an array
>element that is non-existent?  Given:
>	sometype a[NTHINGS], *p;
>Should:
>	for (p = a; p < &a[NTHINGS]; p++)	/* 1 */
>		...
>be written as:
>	for (p = a; p <= &a[NTHINGS-1]; p++)	/* 2 */
>		...

Whether or not the above is legal, I think it should probably be written as:

	for (p = a; p < (a+NTHINGS); p++)

Or am I missing something obvious?

					- Brad
-
Brad Daniels			|	biff@eyeball.ophth.bcm.tmc.edu
The Low Vision Project		| If money can't buy happiness
Baylor College of Medicine	| I guess I'll have to rent it.  - Weird Al