From owner-svn-src-stable-8@FreeBSD.ORG Sun Feb 13 18:03:30 2011 Return-Path: Delivered-To: svn-src-stable-8@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A5ACB1065679; Sun, 13 Feb 2011 18:03:30 +0000 (UTC) (envelope-from brucec@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 93C6B8FC19; Sun, 13 Feb 2011 18:03:30 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p1DI3Ung046518; Sun, 13 Feb 2011 18:03:30 GMT (envelope-from brucec@svn.freebsd.org) Received: (from brucec@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id p1DI3UiL046516; Sun, 13 Feb 2011 18:03:30 GMT (envelope-from brucec@svn.freebsd.org) Message-Id: <201102131803.p1DI3UiL046516@svn.freebsd.org> From: Bruce Cran Date: Sun, 13 Feb 2011 18:03:30 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org X-SVN-Group: stable-8 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r218648 - stable/8/share/man/man9 X-BeenThere: svn-src-stable-8@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for only the 8-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Feb 2011 18:03:30 -0000 Author: brucec Date: Sun Feb 13 18:03:30 2011 New Revision: 218648 URL: http://svn.freebsd.org/changeset/base/218648 Log: MFC r216156: Document the fact that passing in a count of zero to the bus_space functions will result in undefined behaviour. Taken from NetBSD's bus_space(9). PR: kern/80980 Modified: stable/8/share/man/man9/bus_space.9 Directory Properties: stable/8/share/man/man9/ (props changed) Modified: stable/8/share/man/man9/bus_space.9 ============================================================================== --- stable/8/share/man/man9/bus_space.9 Sun Feb 13 18:00:05 2011 (r218647) +++ stable/8/share/man/man9/bus_space.9 Sun Feb 13 18:03:30 2011 (r218648) @@ -719,6 +719,9 @@ or which return data read from bus space do not obviously return an error code) do not fail. They could only fail if given invalid arguments, and in that case their behaviour is undefined. +Functions which take a count of bytes have undefined results if the specified +.Fa count +is zero. .Sh TYPES Several types are defined in .In machine/bus.h