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Date:      Sun, 29 Sep 2013 07:42:25 +0000 (UTC)
From:      Xin LI <delphij@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: r255934 - in stable: 8/lib/libedit 9/lib/libedit
Message-ID:  <201309290742.r8T7gPJG099893@svn.freebsd.org>

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Author: delphij
Date: Sun Sep 29 07:42:25 2013
New Revision: 255934
URL: http://svnweb.freebsd.org/changeset/base/255934

Log:
  MFC r255891:
  
  Import NetBSD readline.c,v 1.104: do not crash with add_history(NULL).

Modified:
  stable/8/lib/libedit/readline.c
Directory Properties:
  stable/8/lib/libedit/   (props changed)

Changes in other areas also in this revision:
Modified:
  stable/9/lib/libedit/readline.c
Directory Properties:
  stable/9/lib/libedit/   (props changed)

Modified: stable/8/lib/libedit/readline.c
==============================================================================
--- stable/8/lib/libedit/readline.c	Sun Sep 29 01:05:00 2013	(r255933)
+++ stable/8/lib/libedit/readline.c	Sun Sep 29 07:42:25 2013	(r255934)
@@ -1363,6 +1363,9 @@ add_history(const char *line)
 	TYPE(HistEvent) ev;
 	const Char *wline;
 
+	if (line == NULL)
+		return 0;
+
 	if (h == NULL || e == NULL)
 		rl_initialize();
 



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