gcc/libstdc++-v3/shadow/bits/std_cerrno.h

// -*- C++ -*- header wrapper.


//// Copyright (C) 1997-1999 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: 19.3  Error numbers
//

#ifndef _CPP_CERRNO
#define _CPP_CERRNO 1

  namespace _C_legacy {
    extern "C" {
#     define _IN_C_LEGACY_
#     pragma GCC system_header
#     include_next <errno.h>
    }

    int& _CPP_errno_capture() { return errno; }

    namespace _C_shadow { }
  } // close namespace ::_C_legacy::

#  undef  errno
#  define errno ::_C_legacy::_CPP_errno_capture()
// # undef EDOM
// # undef ERANGE

  namespace _C_legacy {
    namespace _C_shadow {
    }
  }
  namespace std { 
  } // close namespace std::
  namespace _C_legacy {
    namespace _C_shadow {
    }
  }

# undef _IN_C_LEGACY_

#endif