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Re: [lwip-users] Bug in inet_chksum_pseudo() produces bad checksum(Parad


From: Kieran Mansley
Subject: Re: [lwip-users] Bug in inet_chksum_pseudo() produces bad checksum(Paradigm C++)
Date: Tue, 28 Aug 2007 09:21:47 +0100

On Tue, 2007-08-28 at 10:17 +1200, David Empson wrote:

> Performance issues aside, if I was reading code which did a "greater than 
> zero" test I would immediately be wondering what was special about the value 
> being negative, then discover the 'acc' variable was unsigned, then wonder 
> why someone had written it using greater-than instead of not-equal.
> 
> My opinion (for what it is worth) is that LWIP should stick with either the 
> original form (number 1) or the more explicit form (number 2) which has 
> already been checked in, but Dave should patch his own copy to work around 
> the bug in his compiler.

I agree.

Kieran





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