1 files changed, 27 insertions, 0 deletions
diff --git a/REORG.TODO/libio/__fbufsize.c b/REORG.TODO/libio/__fbufsize.c
new file mode 100644
index 0000000000..74d2ebbe81
--- /dev/null
+++ b/REORG.TODO/libio/__fbufsize.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2000-2017 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio_ext.h>
+
+size_t
+__fbufsize (FILE *fp)
+{
+  if (fp->_mode > 0)
+    return fp->_wide_data->_IO_buf_end - fp->_wide_data->_IO_buf_base;
+  else
+    return fp->_IO_buf_end - fp->_IO_buf_base;
+}