Message-ID: <34F513E7.242F@post.comstar.ru>
Date: Thu, 26 Feb 1998 10:04:07 +0300
From: Dim Zegebart <zager AT post DOT comstar DOT ru>
Reply-To: zager AT post DOT comstar DOT ru
Organization: Comstar Ltd.
MIME-Version: 1.0
To: bacher2 AT tcnj DOT edu
CC: DJGPP Mail List <djgpp AT delorie DOT com>
Subject: Re: Help! Program crashing for no reason!
References: <34F4C457 DOT 5F85E9FB AT tcnj DOT edu>
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Rob Bacher wrote:
> 
> And, if I don't get SIGSEGV errors, I get vars being randomly changed. I
> trace through the program line by line and watch and variables change
> for no reason.

The more reasonable couse of your problem is writing to memory which
not allocated at all or writing behind allocated bouds.
I have EXACTLY the same problem with some of my programms and the reason
was as I mentioned above.

To keep my programm out of such things I always use Fortify at
developing stage.
The page with Fortify v2.2 is
http://www.geocities.com/SiliconValley/Horizon/8596/

-- 
____ ____ 
|   \   /   Dim Zegebart
____/____   

Moscow Russia
WWW - http://www.geocities.com/siliconvalley/pines/7817
DZcomm - comm library for Allegro
Palantir - multytasking kernel for Allegro (based on PDMLWP)