shithub: pdffs

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pdfeval: handle nil case better

--- a/eval.c

+++ b/eval.c

@@ -10,8 +10,12 @@

 	Xref *x;

 	int i;

-	if(oo == nil || *oo == nil)

+	if(oo == nil)

 		return &null;

+	if(*oo == nil){

+		*oo = &null;

+		return &null;

+	}

 	o = *oo;

 	if(o->type != Oindir)

 		return o;