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From:	=?iso-8859-15?Q?Rafael_Garc=EDa?= <rafael-no_spam_please_ AT geninfor DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: strange comparison error
Date:	Tue, 23 Mar 2004 10:23:03 +0100
Organization:	Telefonica Data Espagna
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En Mon, 22 Mar 2004 12:12:40 -0500, DJ Delorie <dj AT delorie DOT com> escribió:

>
>> if (pcampo>reg+MAXFIELDS) {     // intercept huge (bad) values
>
> If integer overflow is the culprit, you'll find this a bit safer:
>
> if (pcampo-reg > MAXFIELDS) {     // intercept huge (bad) values
>
Sorry, I don't understand. Could you please explain a bit more?
We are using 32 bit numbers, the size of the struct is around 100 bytes. We 
should go to thousands of t_field's to reach overflow. Right? I have 14 
here.



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