1 files changed, 57 insertions, 0 deletions
diff --git a/libstdc++-v3/include/c/cwchar b/libstdc++-v3/include/c/cwchar
new file mode 100644
index 000000000..2324b5b96
--- /dev/null
+++ b/libstdc++-v3/include/c/cwchar
@@ -0,0 +1,57 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002, 2003, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+//
+// ISO C++ 14882: 21.4
+//
+
+#ifndef _GLIBCXX_CWCHAR
+#define _GLIBCXX_CWCHAR 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <cstddef>
+#include <ctime>
+
+#if _GLIBCXX_HAVE_WCHAR_H
+#include_next <wchar.h>
+#endif
+
+// Need to do a bit of trickery here with mbstate_t as char_traits
+// assumes it is in wchar.h, regardless of wchar_t specializations.
+#ifndef _GLIBCXX_HAVE_MBSTATE_T
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+  extern "C"
+  {
+    typedef struct
+    {
+      int __fill[6];
+    } mbstate_t;
+  }
+}
+#endif
+
+#endif