1 files changed, 114 insertions, 0 deletions
diff --git a/contrib/libstdc++/include/bits/ostream_insert.h b/contrib/libstdc++/include/bits/ostream_insert.h
new file mode 100644
index 000000000000..f3ed801bbc3d
--- /dev/null
+++ b/contrib/libstdc++/include/bits/ostream_insert.h
@@ -0,0 +1,114 @@
+// Helpers for ostream inserters -*- C++ -*-
+
+// Copyright (C) 2007 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 2, 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.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/** @file ostream_insert.h
+ *  This is an internal header file, included by other library headers.
+ *  You should not attempt to use it directly.
+ */
+
+#ifndef _OSTREAM_INSERT_H
+#define _OSTREAM_INSERT_H 1
+
+#pragma GCC system_header
+
+#include <iosfwd>
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+  template<typename _CharT, typename _Traits>
+    inline void
+    __ostream_write(basic_ostream<_CharT, _Traits>& __out,
+		    const _CharT* __s, streamsize __n)
+    {
+      typedef basic_ostream<_CharT, _Traits>       __ostream_type;      
+      typedef typename __ostream_type::ios_base    __ios_base;
+
+      const streamsize __put = __out.rdbuf()->sputn(__s, __n);
+      if (__put != __n)
+	__out.setstate(__ios_base::badbit);
+    }
+
+  template<typename _CharT, typename _Traits>
+    inline void
+    __ostream_fill(basic_ostream<_CharT, _Traits>& __out, streamsize __n)
+    {
+      typedef basic_ostream<_CharT, _Traits>       __ostream_type;      
+      typedef typename __ostream_type::ios_base    __ios_base;
+
+      const _CharT __c = __out.fill();
+      for (; __n > 0; --__n)
+	{
+	  const typename _Traits::int_type __put = __out.rdbuf()->sputc(__c);
+	  if (_Traits::eq_int_type(__put, _Traits::eof()))
+	    {
+	      __out.setstate(__ios_base::badbit);
+	      break;
+	    }
+	}
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    __ostream_insert(basic_ostream<_CharT, _Traits>& __out,
+		     const _CharT* __s, streamsize __n)
+    {
+      typedef basic_ostream<_CharT, _Traits>       __ostream_type;
+      typedef typename __ostream_type::ios_base    __ios_base;
+
+      typename __ostream_type::sentry __cerb(__out);
+      if (__cerb)
+	{
+	  try
+	    {
+	      const streamsize __w = __out.width();
+	      if (__w > __n)
+		{
+		  const bool __left = ((__out.flags()
+					& __ios_base::adjustfield)
+				       == __ios_base::left);
+		  if (!__left)
+		    __ostream_fill(__out, __w - __n);
+		  if (__out.good())
+		    __ostream_write(__out, __s, __n);
+		  if (__left && __out.good())
+		    __ostream_fill(__out, __w - __n);
+		}
+	      else
+		__ostream_write(__out, __s, __n);
+	      __out.width(0);
+	    }
+	  catch(...)
+	    { __out._M_setstate(__ios_base::badbit); }
+	}
+      return __out;
+    }
+
+_GLIBCXX_END_NAMESPACE
+
+#endif /* _OSTREAM_INSERT_H */