linux-kernel - [PATCH] Warn userspace about including an empty linux/tty.h.

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Date:	Thu, 19 Jul 2007 07:23:46 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
cc:	Andrew Morton <akpm@...l.org>, jirislaby@...il.com
Subject: [PATCH] Warn userspace about including an empty linux/tty.h.


Signed-off-by: Robert P. J. Day <rpjday@...dspring.com>

---

  what subsystem would something like this belong to?


diff --git a/include/linux/tty.h b/include/linux/tty.h
index 691a174..fd67da8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -5,6 +5,10 @@
  * 'tty.h' defines some structures used by tty_io.c and some defines.
  */

+#ifndef __KERNEL__
+#warning "Please don't include this file from userspace, it's empty."
+#endif
+
 #ifdef __KERNEL__
 #include <linux/fs.h>
 #include <linux/major.h>
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================
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