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 1.2 1996/11/03 05:07:46 scrappy 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);
}