>From a008d625b7854d2c08c6606d90f6f2f48263f973 Mon Sep 17 00:00:00 2001
From: Michael Goffioul <address@hidden>
Date: Mon, 9 Jun 2014 17:07:44 +0100
Subject: [PATCH] isatty: fix to work on windows 8

* lib/isatty.c (IsConsoleHandle): Change from testing the lower
2 bits of the handle to the more expensive but accurate syscall.
---
 ChangeLog    |    6 ++++++
 lib/isatty.c |    8 +++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 53be01f..fbb05bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-06-09  Michael Goffioul  <address@hidden>
+
+	isatty: fix to work on windows 8
+	* lib/isatty.c (IsConsoleHandle): Change from testing the lower
+	2 bits of the handle to the more expensive but accurate syscall.
+
 2014-06-07  Paul Eggert  <address@hidden>
 
 	maint: fix typo in fdl.texi
diff --git a/lib/isatty.c b/lib/isatty.c
index e38bc9d..7180ead 100644
--- a/lib/isatty.c
+++ b/lib/isatty.c
@@ -32,9 +32,11 @@
 /* Get _get_osfhandle().  */
 #include "msvc-nothrow.h"
 
-/* Optimized test whether a HANDLE refers to a console.
-   See <http://lists.gnu.org/archive/html/bug-gnulib/2009-08/msg00065.html>.  */
-#define IsConsoleHandle(h) (((intptr_t) (h) & 3) == 3)
+static BOOL IsConsoleHandle (HANDLE h)
+{
+  DWORD mode;
+  return GetConsoleMode (h, &mode) != 0;
+}
 
 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
 static int
-- 
1.7.7.6