From 47993929c4727ec1e7e7af4b2d2177d0058b84f8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 20 Jun 2002 12:14:33 +0000
Subject: [PATCH] * ext/readline/readline.c (readline_readline): get rid of  
 libreadline's bug. (ruby-bugs-ja:PR#268)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2588 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog               | 5 +++++
 ext/readline/readline.c | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7adbde50d7..dce027c5f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jun 20 21:09:37 2002  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
+
+	* ext/readline/readline.c (readline_readline): get rid of
+	  libreadline's bug. (ruby-bugs-ja:PR#268)
+
 Thu Jun 20 17:10:27 2002  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* lib/ftool.rb (BUFSIZE): tuning, set buffer length to 8192.
diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index a6554a5b57..7162042163 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -1,6 +1,7 @@
 /* readline.c -- GNU Readline module
    Copyright (C) 1997-2001  Shugo Maeda */
 
+#include <errno.h>
 #include <stdio.h>
 #include <readline/readline.h>
 #include <readline/history.h>
@@ -44,6 +45,8 @@ readline_readline(argc, argv, self)
 	prompt = StringValuePtr(tmp);
     }
 
+    if (!isatty(0) && errno == EBADF) rb_raise(rb_eIOError, "stdin closed");
+
     buff = (char*)rb_protect((VALUE(*)_((VALUE)))readline, (VALUE)prompt,
                               &status);
     if (status) {