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/*-------------------------------------------------------------------------
*
* nodes.c--
* support code for nodes (now that we get rid of the home-brew
* inheritance system, our support code for nodes get much simpler)
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/nodes.c,v 1.6 1998/09/01 03:22:58 momjian Exp $
*
* HISTORY
* Andrew Yu Oct 20, 1994 file creation
*
*-------------------------------------------------------------------------
*/
#include <string.h>
#include "postgres.h"
#include "utils/palloc.h"
#include "utils/elog.h"
#include "nodes/nodes.h" /* where func declarations of this file
* goes */
/*
* newNode -
* create a new node of the specified size and tag the node with the
* specified tag.
*
* !WARNING!: Avoid using newNode directly. You should be using the
* macro makeNode. eg. to create a Resdom node, use makeNode(Resdom)
*
*/
Node *
newNode(Size size, NodeTag tag)
{
Node *newNode;
Assert(size >= 4); /* need the tag, at least */
newNode = (Node *) palloc(size);
MemSet((char *) newNode, 0, size);
newNode->type = tag;
return newNode;
}
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