[Bf-committers] sequence.c

[Shaul Kedem]

Hi all,
In the following code :
 
StripElem *give_stripelem(Sequence *seq, int cfra)
{
	Strip *strip;
	StripElem *se;
	int nr;

	strip= seq->strip;
	se= strip->stripdata;

	*if*(se==0) *return* 0;
	*if*(seq->startdisp >cfra || seq->enddisp <= cfra) *return* 0;

	*if*(cfra <= seq->start) nr= 0;
	*else* *if*(cfra >= seq->start+seq->len-1) nr= seq->len-1;
	*else* nr= cfra-seq->start;


	se+= nr;
	se->nr= nr;

	*return* se;
}

Please advise; why is there an se+= nr and se->nr = nr at the end of
this function?

Thnx,
Shaul
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