src/backend/storage/page/itemptr.c


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/*-------------------------------------------------------------------------
 *
 * itemptr.c--
 *	  POSTGRES disk item pointer code.
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *	  $Header: /cvsroot/pgsql/src/backend/storage/page/itemptr.c,v 1.3 1997/09/07 04:49:07 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"

#include "storage/block.h"
#include "storage/off.h"
#include "storage/itemptr.h"
#include "storage/bufpage.h"

/*
 * ItemPointerEquals --
 *	Returns true if both item pointers point to the same item,
 *	 otherwise returns false.
 *
 * Note:
 *	Assumes that the disk item pointers are not NULL.
 */
bool
ItemPointerEquals(ItemPointer pointer1, ItemPointer pointer2)
{
	if (ItemPointerGetBlockNumber(pointer1) ==
		ItemPointerGetBlockNumber(pointer2) &&
		ItemPointerGetOffsetNumber(pointer1) ==
		ItemPointerGetOffsetNumber(pointer2))
		return (true);
	else
		return (false);
}