From:	"A. Sinan Unur" <sinan DOT unur AT cornell DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: HELP! Weird bugs in code
Date:	Sun, 14 Sep 1997 18:36:01 -0400
Organization:	Cornell University http://www.cornell.edu
Lines:	16
Sender:	asu1 AT cornell DOT edu (Verified)
Message-ID:	<341C66D1.EA76DBC1@cornell.edu>
References:	<341B2A70 DOT 1223 AT cam DOT org>
NNTP-Posting-Host:	cu-dialup-0001.cit.cornell.edu
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Vic wrote:

> int j;
> for(j=0;j<YResolution;j++)
> {
> spantable[j]= NULL;
> spantable[j]->left= NULL; <--it crahes here!
> spantable[j]->right= NULL;
> > 
> does anyone know what I'm doing wrong??

you are dereferencing a NULL pointer. the line which you point to is:

NULL->left = NULL

  -- Sinan

- Raw text -