mariadb/storage/xtradb/include/trx0roll.ic

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/**************************************************//**
@file include/trx0roll.ic
Transaction rollback

Created 3/26/1996 Heikki Tuuri
*******************************************************/

/*******************************************************************//**
Returns pointer to nth element in an undo number array.
@return	pointer to the nth element */
UNIV_INLINE
trx_undo_inf_t*
trx_undo_arr_get_nth_info(
/*======================*/
	trx_undo_arr_t*	arr,	/*!< in: undo number array */
	ulint		n)	/*!< in: position */
{
	ut_ad(arr);
	ut_ad(n < arr->n_cells);

	return(arr->infos + n);
}