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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup generic
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/** @addtogroup generic
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 * @ingroup others
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 * @ingroup others
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 * @{
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 * @{
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 */
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 */
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/**
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/**
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 * @file
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 * @file
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 * @brief   Macros for making values and addresses aligned.
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 * @brief Macros for making values and addresses aligned.
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 */
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 */
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#ifndef KERN_ALIGN_H_
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#ifndef KERN_ALIGN_H_
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#define KERN_ALIGN_H_
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#define KERN_ALIGN_H_
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/** Align to the nearest lower address.
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/** Align to the nearest lower address.
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 *
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 *
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 * @param s Address or size to be aligned.
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 * @param s Address or size to be aligned.
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 * @param a Size of alignment, must be power of 2.
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 * @param a Size of alignment, must be power of 2.
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 */
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 */
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#define ALIGN_DOWN(s, a)    ((s) & ~((a) - 1))
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#define ALIGN_DOWN(s, a)  ((s) & ~((a) - 1))
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/** Align to the nearest higher address.
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/** Align to the nearest higher address.
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 *
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 *
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 * @param s Address or size to be aligned.
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 * @param s Address or size to be aligned.
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 * @param a Size of alignment, must be power of 2.
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 * @param a Size of alignment, must be power of 2.
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 */
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 */
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#define ALIGN_UP(s, a)      (((s) + ((a) - 1)) & ~((a) - 1))
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#define ALIGN_UP(s, a)  (((s) + ((a) - 1)) & ~((a) - 1))
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */