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From: baron@runx.OZ (Jason Haines)
Newsgroups: net.micro.mac
Subject: Re: Megamax bug?
Message-ID: <1250@runx.OZ>
Date: Tue, 17-Jun-86 03:17:17 EDT
Article-I.D.: runx.1250
Posted: Tue Jun 17 03:17:17 1986
Date-Received: Wed, 25-Jun-86 04:55:20 EDT
References: <1023@k.cs.cmu.edu>
Organization: RUNX Un*x Timeshare.  Sydney, Australia.
Lines: 29


>I'm working in Megamax C, and I noticed a problem while I was in the
>debugger.  It comes from these statements:
>
>	for (i = ntables; i--; ) <statement>
>	if (i == -1) <more statements>
>
>I would expect this to get the value of i, decrement the stored value,
>and then exit or execute the statement.  Rather, it tests the value
>before it decrements, and the loop exits with i = 0.  Is this a bug
>in the code generation, or is C supposed to do this?
>
>	Greg

NEVER confuse the For statement - for(pre-int,test,re-init) <statement block>

Try the following:

	for (i = ntables;;i--) <statement>
	if (i == -1) < more statements>


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