From owner-svn-src-all@FreeBSD.ORG  Sun Apr 22 21:28:15 2012
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 2C3941065672;
	Sun, 22 Apr 2012 21:28:15 +0000 (UTC) (envelope-from das@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 183588FC12;
	Sun, 22 Apr 2012 21:28:15 +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 q3MLSE5x059847;
	Sun, 22 Apr 2012 21:28:14 GMT (envelope-from das@svn.freebsd.org)
Received: (from das@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id q3MLSENU059845;
	Sun, 22 Apr 2012 21:28:14 GMT (envelope-from das@svn.freebsd.org)
Message-Id: <201204222128.q3MLSENU059845@svn.freebsd.org>
From: David Schultz <das@FreeBSD.org>
Date: Sun, 22 Apr 2012 21:28:14 +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: r234587 - head/lib/libc/stdio
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
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: <http://lists.freebsd.org/mailman/listinfo/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: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 22 Apr 2012 21:28:15 -0000

Author: das
Date: Sun Apr 22 21:28:14 2012
New Revision: 234587
URL: http://svn.freebsd.org/changeset/base/234587

Log:
  Bugfix: Correctly count the number of characters read for %l[ conversions.

Modified:
  head/lib/libc/stdio/vfscanf.c

Modified: head/lib/libc/stdio/vfscanf.c
==============================================================================
--- head/lib/libc/stdio/vfscanf.c	Sun Apr 22 21:22:14 2012	(r234586)
+++ head/lib/libc/stdio/vfscanf.c	Sun Apr 22 21:28:14 2012	(r234587)
@@ -248,12 +248,12 @@ convert_wccl(FILE *fp, wchar_t *wcp, int
 {
 	mbstate_t mbs;
 	wchar_t twc;
-	int n, nchars, nconv, nread;
+	int n, nchars, nconv;
 	char buf[MB_CUR_MAX];
 
 	if (wcp == SUPPRESS_PTR)
 		wcp = &twc;
-	n = nread = 0;
+	n = 0;
 	nchars = 0;
 	while (width != 0) {
 		if (n == MB_CUR_MAX) {
@@ -279,7 +279,6 @@ convert_wccl(FILE *fp, wchar_t *wcp, int
 				}
 				break;
 			}
-			nread += n;
 			width--;
 			if (wcp != &twc)
 				wcp++;
@@ -298,12 +297,10 @@ convert_wccl(FILE *fp, wchar_t *wcp, int
 		fp->_flags |= __SERR;
 		return (-1);
 	}
-	n = nchars;
-	if (n == 0)
+	if (nchars == 0)
 		return (0);
 	*wcp = L'\0';
-	/* XXX This matches historical behavior, but it's wrong. */
-	return (nread + n);
+	return (nchars);
 }
 
 static __inline int