generic_shadow.h Source File

00001 // generic C header shadow file -*- C++ -*-
00002 
00003 // Copyright (C) 1997-1999, 2000 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 2, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // You should have received a copy of the GNU General Public License along
00017 // with this library; see the file COPYING.  If not, write to the Free
00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00019 // USA.
00020 
00021 // As a special exception, you may use this file as part of a free software
00022 // library without restriction.  Specifically, if other files instantiate
00023 // templates or use macros or inline functions from this file, or you compile
00024 // this file and link it with other files to produce an executable, this
00025 // file does not by itself cause the resulting executable to be covered by
00026 // the GNU General Public License.  This exception does not however
00027 // invalidate any other reasons why the executable file might be covered by
00028 // the GNU General Public License.
00029 
00030 // This file is included by all the standard C <foo.h> headers
00031 // after defining _SHADOW_NAME.
00032 
00033 #ifdef _IN_C_LEGACY_  /* sub-included by a C header */
00034 
00035       // Get out of the "swamp."
00036     } // Close extern "C"
00037   }   // Close namespace _C_legacy::
00038 
00039 # undef _IN_C_LEGACY_
00040 # include _SHADOW_NAME
00041 
00042   // Dive back into the "swamp."
00043   namespace _C_legacy {
00044     extern "C" {
00045 #     define _IN_C_LEGACY_
00046   
00047 #else /* not _IN_C_LEGACY_:  directly included by user program */
00048   
00049 # include _SHADOW_NAME
00050   
00051   // Expose global C names, including non-standard ones, but shadow
00052   // some names and types with the std:: C++ version.
00053 
00054   using namespace ::_C_legacy::_C_shadow;
00055   
00056 #endif /* _IN_C_LEGACY_ */
00057     
00058 
00059