From 4226571d7af401f07fea4797b93c2c888f5e9880 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Tue, 14 Jun 2011 03:56:05 +0000
Subject: printf: set errno for read-only stream

* libc/stdio/wsetup.c (__swsetup_r): Set errno on failure.
* libc/stdio/fvwrite.c (__sfvwrite_r): Simplify.
* libc/stdio/wbuf.c (__swbuf_r): Likewise.
* libc/stdio/local.h (cantwrite): Adjust comment.
---
 newlib/libc/stdio/wbuf.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

(limited to 'newlib/libc/stdio/wbuf.c')

diff --git a/newlib/libc/stdio/wbuf.c b/newlib/libc/stdio/wbuf.c
index 33457f0d0..f9197ea9e 100644
--- a/newlib/libc/stdio/wbuf.c
+++ b/newlib/libc/stdio/wbuf.c
@@ -54,11 +54,7 @@ _DEFUN(__swbuf_r, (ptr, c, fp),
 
   fp->_w = fp->_lbfsize;
   if (cantwrite (ptr, fp))
-    {
-      fp->_flags |= __SERR;
-      ptr->_errno = EBADF;
-      return EOF;
-    }
+    return EOF;
   c = (unsigned char) c;
 
   ORIENT (fp, -1);
-- 
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