introduce nitems macro, with the appropriate ifndef.

ok oga@

1 files changed, 5 insertions, 1 deletions

diff --git a/calmwm.h b/calmwm.h
index 59da0f1..0f9b18b 100644
--- a/calmwm.h
+++ b/calmwm.h
@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $Id: calmwm.h,v 1.121 2011/03/22 10:52:37 okan Exp $
+ * $Id: calmwm.h,v 1.122 2011/03/22 10:57:31 okan Exp $
  */
 
 #ifndef _CALMWM_H_
@@ -51,6 +51,10 @@
 			PointerMotionMask)
 #define SearchMask	(KeyPressMask|ExposureMask)
 
+#ifndef nitems
+#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
+#endif
+
 enum cwmcolor {
 	CWM_COLOR_BORDOR_ACTIVE,
 	CWM_COLOR_BORDER_INACTIVE,