From owner-svn-src-stable-7@FreeBSD.ORG Tue Jun 5 19:59:09 2012 Return-Path: Delivered-To: svn-src-stable-7@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B2B6B1065785; Tue, 5 Jun 2012 19:59:09 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 9DC4E8FC08; Tue, 5 Jun 2012 19:59:09 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q55Jx9k4040782; Tue, 5 Jun 2012 19:59:09 GMT (envelope-from marius@svn.freebsd.org) Received: (from marius@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q55Jx9wZ040780; Tue, 5 Jun 2012 19:59:09 GMT (envelope-from marius@svn.freebsd.org) Message-Id: <201206051959.q55Jx9wZ040780@svn.freebsd.org> From: Marius Strobl Date: Tue, 5 Jun 2012 19:59:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r236633 - stable/7/sys/sys X-BeenThere: svn-src-stable-7@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for only the 7-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jun 2012 19:59:09 -0000 Author: marius Date: Tue Jun 5 19:59:09 2012 New Revision: 236633 URL: http://svn.freebsd.org/changeset/base/236633 Log: MFC: r236486 Add nitems(), a macro for determining the number of elements in a statically-allocated array. Obtained from: OpenBSD (in principle) Modified: stable/7/sys/sys/param.h Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/sys/param.h ============================================================================== --- stable/7/sys/sys/param.h Tue Jun 5 19:59:02 2012 (r236632) +++ stable/7/sys/sys/param.h Tue Jun 5 19:59:09 2012 (r236633) @@ -249,6 +249,7 @@ #ifndef howmany #define howmany(x, y) (((x)+((y)-1))/(y)) #endif +#define nitems(x) (sizeof((x)) / sizeof((x)[0])) #define rounddown(x, y) (((x)/(y))*(y)) #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ #define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */