include/ansi/errno.h

/***************************************************************************
 *
 * errno.h
 *
 * $Id$
 *
 ***************************************************************************
 *
 * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
 * Software division. Licensed under the Apache License, Version 2.0 (the
 * "License");  you may  not use this file except  in compliance with the
 * License.    You    may   obtain   a   copy   of    the   License    at
 * http://www.apache.org/licenses/LICENSE-2.0.    Unless   required    by
 * applicable law  or agreed to  in writing,  software  distributed under
 * the License is distributed on an "AS IS" BASIS,  WITHOUT WARRANTIES OR
 * CONDITIONS OF  ANY KIND, either  express or implied.  See  the License
 * for the specific language governing permissions  and limitations under
 * the License.
 * 
 **************************************************************************/

#include <rw/_defs.h>

#ifndef _RWSTD_NO_DEPRECATED_C_HEADERS

#  ifndef _RWSTD_ERRNO_H_INCLUDED
#    define _RWSTD_ERRNO_H_INCLUDED

#    include <cerrno>

#    ifndef _RWSTD_NO_NAMESPACE

#      ifndef errno

// be prepared to handle 17.4.1.2, p5 and lwg issue 310
// which say that errno may and must be a macro, respectively

using std::errno;

#      endif   // errno

#    endif   // _RWSTD_NO_NAMESPACE

#  endif   // _RWSTD_ERRNO_H_INCLUDED

#else

#  if    !defined (errno) \
      || !defined (EDOM) || !defined (ERANGE) || !defined (EAGAIN)
#    include _RWSTD_ANSI_C_ERRNO_H
#  endif   // errno ...

#endif   // _RWSTD_NO_DEPRECATED_C_HEADERS