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From: Paul Wilkins <disk AT paradise DOT net DOT nz>
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Subject: Re: strange error
References: <2914-Sat24Jul2004104537+0300-eliz AT gnu DOT org> <20040725013214 DOT 18573 DOT 00000172 AT mb-m22 DOT aol DOT com>
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Date: Mon, 26 Jul 2004 06:48:33 +1200
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Sterten wrote:
> Eli wrote:
> 
>  >> only the final one, where it crashed
>  >
>  >Sure; but that's better than what you have now (which is nothing
>  >except guesses).
> 
> I'm 90% sure, that it's the line which I posted, 
> m55:r--;if(R[r]!=1)goto m55;  and then r becomes negative.
> Then I assume r runs into array Sym[99][99] which was initialized 
> immediately before R99]. It should stop at Sym[16][16] which 
> should be the first entry which is =1. Then presumably r is
> 0-99*99+16*16=-9545 (modulo modifications due to starting at 1 vs.0,
> I'm too lazy to check this)

Why don't you change the code then to read

if (r<0) printf("Error: r is less than 0");
m55: do {r--} while (R[r]!=1);

The original is supposed to count down the r value, and when r equals 1 
it carries on.

-- 
Paul Wilkins