43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*-------------------------------------------------------------------------
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*
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* nodes.c
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* support code for nodes (now that we get rid of the home-brew
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* inheritance system, our support code for nodes get much simpler)
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*
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/nodes/nodes.c,v 1.13 2000/04/12 17:15:16 momjian Exp $
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*
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* HISTORY
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* Andrew Yu Oct 20, 1994 file creation
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "nodes/nodes.h"
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/*
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* newNode -
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* create a new node of the specified size and tag the node with the
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* specified tag.
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*
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* !WARNING!: Avoid using newNode directly. You should be using the
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* macro makeNode. eg. to create a Resdom node, use makeNode(Resdom)
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*
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*/
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Node *
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newNode(Size size, NodeTag tag)
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{
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Node *newNode;
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Assert(size >= sizeof(Node)); /* need the tag, at least */
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newNode = (Node *) palloc(size);
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MemSet((char *) newNode, 0, size);
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newNode->type = tag;
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return newNode;
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}
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