From 38ceb49b79cbc623efe3b4844faa2a26078d3b08 Mon Sep 17 00:00:00 2001
From: eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 12 Mar 2003 07:59:28 +0000
Subject: * io.c (prep_stdio): set binmode only if the file descriptor   is not
 connected to a terminal on Cygwin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3579 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index af370ddeb4..12c60482fc 100644
--- a/io.c
+++ b/io.c
@@ -2792,8 +2792,10 @@ prep_stdio(f, mode, klass)
 
     MakeOpenFile(io, fp);
 #ifdef __CYGWIN__
-    mode |= O_BINARY;
-    setmode(fileno(f), O_BINARY);
+    if (!isatty(fileno(f))) {
+	mode |= O_BINARY;
+	setmode(fileno(f), O_BINARY);
+    }
 #endif
     fp->f = f;
     fp->mode = mode;
-- 
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