From owner-svn-src-all@freebsd.org  Wed Dec  7 23:20:52 2016
Return-Path: <owner-svn-src-all@freebsd.org>
Delivered-To: svn-src-all@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 09BA4C6C712;
 Wed,  7 Dec 2016 23:20:52 +0000 (UTC)
 (envelope-from glebius@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id CB0261CFF;
 Wed,  7 Dec 2016 23:20:51 +0000 (UTC)
 (envelope-from glebius@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id uB7NKokh021684;
 Wed, 7 Dec 2016 23:20:50 GMT (envelope-from glebius@FreeBSD.org)
Received: (from glebius@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id uB7NKocc021683;
 Wed, 7 Dec 2016 23:20:50 GMT (envelope-from glebius@FreeBSD.org)
Message-Id: <201612072320.uB7NKocc021683@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: glebius set sender to
 glebius@FreeBSD.org using -f
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Wed, 7 Dec 2016 23:20:50 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject: svn commit: r309691 - stable/9/lib/libc/net
X-SVN-Group: stable-9
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Dec 2016 23:20:52 -0000

Author: glebius
Date: Wed Dec  7 23:20:50 2016
New Revision: 309691
URL: https://svnweb.freebsd.org/changeset/base/309691

Log:
  Merge rr309688: address regressions in SA-16:37.libc.
  
  PR:		215105
  Submitted by:	<jtd2004a sbcglobal.net>

Modified:
  stable/9/lib/libc/net/linkaddr.c
Directory Properties:
  stable/9/   (props changed)
  stable/9/lib/   (props changed)
  stable/9/lib/libc/   (props changed)

Modified: stable/9/lib/libc/net/linkaddr.c
==============================================================================
--- stable/9/lib/libc/net/linkaddr.c	Wed Dec  7 23:20:26 2016	(r309690)
+++ stable/9/lib/libc/net/linkaddr.c	Wed Dec  7 23:20:50 2016	(r309691)
@@ -128,7 +128,7 @@ link_ntoa(sdl)
 	static char obuf[64];
 	_Static_assert(sizeof(obuf) >= IFNAMSIZ + 20, "obuf is too small");
 	char *out;
-	const char *in, *inlim;
+	const u_char *in, *inlim;
 	int namelen, i, rem;
 
 	namelen = (sdl->sdl_nlen <= IFNAMSIZ) ? sdl->sdl_nlen : IFNAMSIZ;
@@ -145,11 +145,11 @@ link_ntoa(sdl)
 		}
 	}
 
-	in = (const char *)sdl->sdl_data + sdl->sdl_nlen;
+	in = (const u_char *)sdl->sdl_data + sdl->sdl_nlen;
 	inlim = in + sdl->sdl_alen;
 
 	while (in < inlim && rem > 1) {
-		if (in != (const char *)sdl->sdl_data + sdl->sdl_nlen) {
+		if (in != (const u_char *)sdl->sdl_data + sdl->sdl_nlen) {
 			*out++ = '.';
 			rem--;
 		}
@@ -157,15 +157,14 @@ link_ntoa(sdl)
 		if (i > 0xf) {
 			if (rem < 3)
 				break;
+			*out++ = hexlist[i >> 4];
 			*out++ = hexlist[i & 0xf];
-			i >>= 4;
-			*out++ = hexlist[i];
 			rem -= 2;
 		} else {
 			if (rem < 2)
 				break;
 			*out++ = hexlist[i];
-			rem++;
+			rem--;
 		}
 	}
 	*out = 0;