A couple other cosmetic cleanups in new List stuff.

src/backend/utils/adt/ruleutils.c

@@ -3,7 +3,7 @@
  *				back to source text
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.167 2004/05/26 04:41:38 neilc Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.168 2004/05/26 19:30:12 tgl Exp $
  *
  *	  This software is copyrighted by Jan Wieck - Hamburg.
  *
@@ -2274,17 +2274,14 @@ static void
 get_names_for_var(Var *var, deparse_context *context,
 				  char **schemaname, char **refname, char **attname)
 {
-	ListCell   *nslist_item = list_head(context->namespaces);
-	int			sup = var->varlevelsup;
 	deparse_namespace *dpns;
 	RangeTblEntry *rte;
 
 	/* Find appropriate nesting depth */
-	while (sup-- > 0 && nslist_item != NULL)
-		nslist_item = lnext(nslist_item);
-	if (nslist_item == NULL)
+	if (var->varlevelsup >= list_length(context->namespaces))
 		elog(ERROR, "bogus varlevelsup: %d", var->varlevelsup);
-	dpns = (deparse_namespace *) lfirst(nslist_item);
+	dpns = (deparse_namespace *) list_nth(context->namespaces,
+										  var->varlevelsup);
 
 	/* Find the relevant RTE */
 	if (var->varno >= 1 && var->varno <= length(dpns->rtable))

src/include/nodes/pg_list.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/nodes/pg_list.h,v 1.44 2004/05/26 04:41:45 neilc Exp $
+ * $PostgreSQL: pgsql/src/include/nodes/pg_list.h,v 1.45 2004/05/26 19:30:17 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -49,8 +49,6 @@
  * always be so; try to be careful to maintain the distinction.)
  */
 
-#define LIST_CELL_TYPE ListCell
-
 typedef struct ListCell ListCell;
 typedef struct List List;