shithub: pdffs

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arrayget: return errors instead of aborting

--- a/array.c

+++ b/array.c

@@ -83,8 +83,10 @@

 Object *

 arrayget(Object *o, int i)

 {

-	if(arraylen(o) <= i)

-		sysfatal("array: indexing out of range");

+	if(arraylen(o) <= i){

+		werrstr("arrayget: indexing out of range");

+		return &null;

+	}

 	o = o->type == Oarray ? o->array.e[i] : o;

 	return pdfeval(o);