include/ansi/_cstdarg.h

// -*- C++ -*-
/***************************************************************************
 *
 * _cstdarg.h - C++ Standard library interface to the ANSI C header stdarg.h
 *
 * $Id: //stdlib/dev/include/ansi/_cstdarg.h#8 $
 *
 ***************************************************************************
 *
 * 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.
 * 
 **************************************************************************/

#ifndef _RWSTD_CSTDARG_H_INCLUDED
#define _RWSTD_CSTDARG_H_INCLUDED


#include <rw/_defs.h>


_RWSTD_NAMESPACE (std) { 

extern "C" {

#ifdef _RWSTD_VA_LIST
typedef _RWSTD_VA_LIST va_list;
#else
typedef void* va_list;
#endif   // _RWSTD_VA_LIST


#define va_arg(va, T) \
    ((T*)(va = (va_list)((char*)va + sizeof (T))))[-1]

#define va_start(va, name) \
    (void)(va = (va_list)((char*)&name \
           + ((sizeof (name) + (sizeof (int) - 1)) & ~(sizeof (int) - 1))))

#define va_end(ignore)   (void)0

}   // extern "C"

}   // namespace std


#endif   // _RWSTD_CSTDARG_H_INCLUDED