blob: 0e60597949d848d43c1128bf5c6a98b9755e759e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*-------------------------------------------------------------------------
*
* 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 1.10 1999/07/17 20:17:07 momjian Exp $
*
* HISTORY
* Andrew Yu Oct 20, 1994 file creation
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "nodes/nodes.h"
/*
* 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;
}
|
