From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 17 Apr 1997 23:21:30 +0000 (+0000)
Subject: (_IO_flush_all_linebuffered): Don't flush on a read-only stream.
X-Git-Tag: cvs/libc20x-ud-970417~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea09d877cac89ff7c0ef045e244934a97e519891;p=thirdparty%2Fglibc.git

(_IO_flush_all_linebuffered): Don't flush on a read-only stream.
---

diff --git a/libio/genops.c b/libio/genops.c
index db7fb180a32..c08598686df 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -615,7 +615,7 @@ DEFUN_VOID(_IO_flush_all_linebuffered)
 {
   _IO_FILE *fp;
   for (fp = _IO_list_all; fp != NULL; fp = fp->_chain)
-    if (fp->_flags & _IO_LINE_BUF)
+    if ((fp->_flags & _IO_NO_WRITES) == 0 && fp->_flags & _IO_LINE_BUF)
       _IO_OVERFLOW (fp, EOF);
 }