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From: meissner@osf.org (Michael Meissner)
Newsgroups: comp.lang.c
Subject: Re: Array bounds checking with C????
Message-ID: <MEISSNER.90Aug31102636@osf.osf.org>
Date: 31 Aug 90 14:26:36 GMT
References: <7611@ucdavis.ucdavis.edu> <26196@mimsy.umd.edu>
	<988@christopher-robin.cs.bham.ac.uk>
Sender: news@OSF.ORG
Organization: Open Software Foundation
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In-reply-to: cjr@cs.bham.ac.uk's message of 30 Aug 90 10:21:50 GMT

In article <988@christopher-robin.cs.bham.ac.uk> cjr@cs.bham.ac.uk
(Chris Ridd <RiddCJ>) writes:

|   Why is this?  I never could figure out why accessing the first
| element *past* the end of an array should be legal.

So that you can do something like:

char array[ARRAY_SIZE];

void clear_array(){
	char *p;

	for (p = &array[0]; p < &array[ARRAY_SIZE]; p++)
		*p = '\0';
}
--
Michael Meissner	email: meissner@osf.org		phone: 617-621-8861
Open Software Foundation, 11 Cambridge Center, Cambridge, MA, 02142

Do apple growers tell their kids money doesn't grow on bushes?