Date: Sun, 10 Oct 1999 12:21:16 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Nicolas Blais <nicblais AT hotmail DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: Please help...matrix problem with Allegro
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On Sat, 9 Oct 1999, Nicolas Blais wrote:

> Thanks but it STILL doesn't work.  Here's what symify tells me:
> 
> Shutting down Allegro
> Exiting due to signal SIGSEGV
> Stack Fault at eip=00002399
> eax=00000000 ebx=001191df ecx=49edf742 edx=16e7bc99 esi=00000054 edi=00099204

This line:

> ebp=001191c0 esp=fffed1b4 program=C:\DJGPP\PROJECTS\ILLIS\MAIN.EXE

together with this line:

> App stack: [00119204..00099204]  Exceptn stack: [000990e4..000971a4]

Indicates that your program blows away the stack: ESP is outside the
valid limits of the application stack.

Section 12.2 of the DJGPP FAQ list explains how to read the crash
message; please read it.

> unsigned int matrix[res_x][res_y];
> memset(matrix, 0, sizeof(matrix));  //line 48

What are the values of res_x and res_y, and how they were decalred?