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diff --git a/contrib/libstdc++/include/c_shadow/bits/std_ctime.h b/contrib/libstdc++/include/c_shadow/bits/std_ctime.h
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+// -*- C++ -*- header wrapper.
+
+// Copyright (C) 1997-1999, 2000 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.5 Date and time
+//
+
+#ifndef _CPP_CTIME
+#define _CPP_CTIME 1
+
+# include <bits/std_cstddef.h>
+
+namespace _C_legacy {
+ extern "C" {
+# define _IN_C_LEGACY_
+# pragma GCC system_header
+
+ // XXX
+ // glibc 2.1.x time.h is on crack
+# undef __need_time_t
+# undef __need_clock_t
+# undef __need_timespec
+
+# include_next <time.h>
+ }
+
+ typedef clock_t _CPP_clock_t_capture;
+ typedef time_t _CPP_time_t_capture;
+ typedef tm _CPP_tm_capture;
+
+} // namespace _C_legacy
+
+# undef clock_t
+# undef time_t
+# undef tm
+# undef clock
+# undef difftime
+# undef mktime
+# undef time
+# undef asctime
+# undef ctime
+# undef gmtime
+# undef localtime
+# undef strftime
+
+namespace std {
+
+ // Adopt C names into std::
+ typedef _C_legacy::_CPP_clock_t_capture clock_t;
+ typedef _C_legacy::_CPP_time_t_capture time_t;
+ struct tm : _C_legacy::_CPP_tm_capture { };
+
+ using _C_legacy::clock;
+ using _C_legacy::difftime;
+ using _C_legacy::mktime;
+ using _C_legacy::time;
+ using _C_legacy::ctime;
+
+ inline char*
+ asctime(const tm* __t)
+ { return _C_legacy::asctime(static_cast<_C_legacy::_CPP_tm_capture const*>(__t)); }
+
+ inline tm*
+ gmtime(time_t const* __tp)
+ { return reinterpret_cast<tm*>(_C_legacy::gmtime(__tp)); }
+
+ inline tm*
+ localtime(const time_t* __tp)
+ { return reinterpret_cast<tm*>(_C_legacy::localtime(__tp)); }
+
+ inline size_t
+ strftime(char* __buf, size_t __maxsz, char const* __fmt, tm const* __tp)
+ { return _C_legacy::strftime(__buf, __maxsz, __fmt,
+ static_cast<_C_legacy::_CPP_tm_capture const*>(__tp)); }
+
+} // namespace std
+
+# undef _IN_C_LEGACY_
+
+#endif
+
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