From:	T DOT Harte AT btinternet DOT com (Thomas Harte)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: SIGSEGV for unknown reason in wireframe drawer
Date:	Mon, 18 Aug 1997 23:57:55 GMT
Organization:	BT Internet
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Message-ID:	<33f8e13e.14787087@news.btinternet.com>
References:	<33E5EFDF DOT 580EEEE0 AT mwci DOT net> <19970817202000 DOT QAA05699 AT ladder02 DOT news DOT aol DOT com>
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

On 17 Aug 1997 20:20:35 GMT, gingko69 AT aol DOT com (Gingko 69) wrote:

>>>        for( curr_vertex=0; curr_vertex < the_object->num_points;
>>> curr_vertex++)
>
>Try the_object->num_points - 1. In your object the first vertex is [0],
>the second [1] and so on, so you are eventually accessing one vertex that
>doesn't exist.

	Surely that isn't true since the compiler is parsing the final one that
does exist, adding one to curr_vertex, finding it is no longer below
the_object->num_points, and so ending the loop before parsing vertex
[the_object->num_points] ?

		-Thomas

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