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Re: [avr-gcc-list] OT Generic C question

From: Alexandru Csete
Subject: Re: [avr-gcc-list] OT Generic C question
Date: Tue, 20 Sep 2005 16:05:14 +0200

On 9/20/05, Mike Murphree <address@hidden> wrote:
> >
> > Not exactly the gold standard, but Microsoft C7 gives the
> > expected 1, whereas AvrGcc gives 0, So could be a gcc bug.
> The increment should take place after the assignment, but I would have
> expected the increment to happen before any other operation.  How was he
> verifying what the new value was (e.g. debugger, printf, etc) and when?
> Of course, it would have been a lot simpler to just use: i++;

Please go and see the link http://www.eskimo.com/~scs/C-faq/s3.html
posted by Russell. It makes it perfectly clear that there is no
expected behaviour in this situation. There is even an equivalent
example where

int i = 3;
i = i++;

gave the values 3, 4 and 7 - each of them equally correct ;-)

> Mike


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