[BZ #4359]

2007-10-13 Ulrich Drepper <drepper@redhat.com> [BZ #4359] * libio/__freading.c (__freading): Don't return true for write-only streams.
git-mirror · Oct 13, 2007 · 0ea4967 · 0ea4967
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,9 @@
+2007-10-13  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #4359]
+	* libio/__freading.c (__freading): Don't return true for
+	write-only streams.
+
 2007-10-12  Ulrich Drepper  <drepper@redhat.com>
 
 	* locale/programs/repertoire.c (repertoire_read): Always free

diff --git a/libio/__freading.c b/libio/__freading.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -21,6 +21,7 @@
 int
 __freading (FILE *fp)
 {
-  return ((fp->_flags & _IO_NO_WRITES)
-	  || (fp->_flags & _IO_CURRENTLY_PUTTING) == 0);
+  return (((fp->_flags & _IO_NO_WRITES)
+	   || (fp->_flags & _IO_CURRENTLY_PUTTING) == 0)
+	  && (fp->_flags & _IO_NO_READS) == 0);
 }