Date: Sun, 13 Feb 2011 18:03:30 +0000 (UTC) From: Bruce Cran <brucec@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r218648 - stable/8/share/man/man9 Message-ID: <201102131803.p1DI3UiL046516@svn.freebsd.org>
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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
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