From owner-svn-src-head@FreeBSD.ORG  Thu May  5 02:35:26 2011
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 070FC1065674;
	Thu,  5 May 2011 02:35:26 +0000 (UTC)
	(envelope-from obrien@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id E86D88FC15;
	Thu,  5 May 2011 02:35:25 +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 p452ZPhr077816;
	Thu, 5 May 2011 02:35:25 GMT (envelope-from obrien@svn.freebsd.org)
Received: (from obrien@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id p452ZP4n077814;
	Thu, 5 May 2011 02:35:25 GMT (envelope-from obrien@svn.freebsd.org)
Message-Id: <201105050235.p452ZP4n077814@svn.freebsd.org>
From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Thu, 5 May 2011 02:35:25 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r221476 - head/sys/sys
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 05 May 2011 02:35:26 -0000

Author: obrien
Date: Thu May  5 02:35:25 2011
New Revision: 221476
URL: http://svn.freebsd.org/changeset/base/221476

Log:
  Guard ptrdiff_t.

Modified:
  head/sys/sys/stddef.h

Modified: head/sys/sys/stddef.h
==============================================================================
--- head/sys/sys/stddef.h	Thu May  5 02:35:11 2011	(r221475)
+++ head/sys/sys/stddef.h	Thu May  5 02:35:25 2011	(r221476)
@@ -33,7 +33,10 @@
 #include <sys/_null.h>
 #include <machine/_types.h>
 
+#ifndef _PTRDIFF_T_DECLARED
 typedef	__ptrdiff_t	ptrdiff_t;
+#define	_PTRDIFF_T_DECLARED
+#endif
 
 #define	offsetof(type, field)	__offsetof(type, field)