Path: utzoo!attcan!uunet!mcsun!hp4nl!star.cs.vu.nl!eck
From: eck@cs.vu.nl (Hans van Eck)
Newsgroups: comp.std.c
Subject: Re: are arrays allowed in strictly conforming programs?
Message-ID: <7951@star.cs.vu.nl>
Date: 15 Oct 90 07:58:11 GMT
References: <7913@star.cs.vu.nl> <14138@smoke.BRL.MIL>
Sender: news@cs.vu.nl
Lines: 23

gwyn@smoke.BRL.MIL (Doug Gwyn) writes:

>In article <7913@star.cs.vu.nl> eck@cs.vu.nl (Hans van Eck) writes:
>>If an array is accessed beyond the end of *an* object, the behavior is
>>undefined. (emphasis mine)

>The
>larger context is that some of the 4.11 functions could be requested to
>operate on nonexistent objects, for example
>	int src[3], dst[10];
>	memcpy(dst, src, 10);
>Instead of posting a warning in each function's subsection, the
>injunction against attempting such abuse is posted in the blanket section.

I am not completely convinced.  The point was that the standard talks about
*an* object.  It doesn't say that the object meant is the last element of
the array.

Hans
--
Hans van Eck, Dept. of Mathematics and Computer Science, Vrije Universiteit,
De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands
Voice: +31 20 5485302 			Email:	eck@cs.vu.nl