Re: Bounds checks. (was variable-length struct hack)

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Article #1066

#1066

From: T. William Wells
Date: Tue, 12 Dec 1989 19:03

12 lines
1047 bytes

In article <1989Dec11.181631.3864@jarvis.csri.toronto.edu> norvell@csri.toronto.edu (Theo Norvell) writes:
:                   int A[N], *p;
:                   for(p=A; p < A+N ; ++p ) { ... } /* Good */
:                   for(p=A; p <  &A[N] ; ++p ) { ... } /* Undefined! */

The two are exactly the same:

	&A[N] = &(*(A + N)) = A + N

---
Bill                    { uunet | novavax | ankh | sunvice } !twwells!bill
bill@twwells.com

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<448@longway.TIC.COM> <450@longway.TIC.COM> <15364@haddock.ima.isc.com> <809@prles2.UUCP> <1989Dec8.161820.24804@jarvis.csri.toronto.edu> <1989Dec11.181631.3864@jarvis.csri.toronto.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!tut.cis.ohio-state.edu!mailrus!uflorida!novavax!twwells!bill
From: bill@twwells.com (T. William Wells)
Newsgroups: comp.std.c
Subject: Re: Bounds checks.  (was variable-length struct hack)
Message-ID: <1989Dec12.190347.13521@twwells.com>
Date: 12 Dec 89 19:03:47 GMT
References: <448@longway.TIC.COM> <450@longway.TIC.COM> <15364@haddock.ima.isc.com> <809@prles2.UUCP> <1989Dec8.161820.24804@jarvis.csri.toronto.edu> <1989Dec11.181631.3864@jarvis.csri.toronto.edu>
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