[PATCH] [BZ #15381] Initialize wide struct info.

[Ondřej Bílka]

Hi,
For byte-oriented streams a wide data field takes undefined value.
This patch initializes it to NULL for more deterministic behaviour.

OK for 2.18?

	* libio/genops.c (_IO_no_init): Initialize wide struct info.

---
 libio/genops.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/libio/genops.c b/libio/genops.c
index 390d8d2..18039aa 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -643,6 +643,7 @@ _IO_no_init (fp, flags, orientation, wd, jmp)
 {
   _IO_old_init (fp, flags);
   fp->_mode = orientation;
+  fp->_wide_data = NULL;
 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
   if (orientation >= 0)
     {
-- 
1.7.4.4