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Date:      Thu, 26 Sep 2013 17:54:59 +0000 (UTC)
From:      Xin LI <delphij@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r255891 - head/lib/libedit
Message-ID:  <201309261754.r8QHsxvj073328@svn.freebsd.org>

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Author: delphij
Date: Thu Sep 26 17:54:58 2013
New Revision: 255891
URL: http://svnweb.freebsd.org/changeset/base/255891

Log:
  Import NetBSD readline.c,v 1.104: do not crash with add_history(NULL).
  
  MFC after:	3 days
  Approved by:	re (gjb)

Modified:
  head/lib/libedit/readline.c

Modified: head/lib/libedit/readline.c
==============================================================================
--- head/lib/libedit/readline.c	Thu Sep 26 16:25:06 2013	(r255890)
+++ head/lib/libedit/readline.c	Thu Sep 26 17:54:58 2013	(r255891)
@@ -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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