/* Copyright (C) 1989, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; 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, if you include this header file into source
   files compiled by GCC, this header 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.  */

#ifndef _VARARGS_H
#define _VARARGS_H

#ifdef __NeXT__

/* On Next, erase any vestiges of stdarg.h.  */

#ifdef _ANSI_STDARG_H_
#define _VA_LIST_
#endif
#define _ANSI_STDARG_H_ 

#undef va_alist
#undef va_dcl
#undef va_list
#undef va_start
#undef va_end
#undef va_arg
#endif  /* __NeXT__ */

/* These macros implement traditional (non-ANSI) varargs
   for GNU C.  */

#define va_alist  __builtin_va_alist

/* ??? We don't process attributes correctly in K&R argument context.  */
typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));

/* ??? It would be nice to get rid of the ellipsis here.  It causes
   current_function_varargs to be set in cc1.  */
#define va_dcl		__builtin_va_alist_t __builtin_va_alist; ...

/* Define __gnuc_va_list, just as in stdarg.h.  */

#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef __builtin_va_list __gnuc_va_list;
#endif

#define va_start(v)	__builtin_varargs_start((v))
#define va_end		__builtin_va_end
#define va_arg		__builtin_va_arg
#define __va_copy(d,s)	__builtin_va_copy((d),(s))

/* Define va_list from __gnuc_va_list.  */

#ifdef _HIDDEN_VA_LIST  /* On OSF1, this means varargs.h is "half-loaded".  */
#undef _VA_LIST
#endif

#if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
   so we must avoid testing it and setting it here.
   SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
   have no conflict with that.  */
#ifndef _VA_LIST_
#define _VA_LIST_
#ifdef __i860__
#ifndef _VA_LIST
#define _VA_LIST va_list
#endif
#endif /* __i860__ */
typedef __gnuc_va_list va_list;
#ifdef _SCO_DS
#define __VA_LIST
#endif
#endif /* _VA_LIST_ */

#else /* not __svr4__  || _SCO_DS */

/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
   But on BSD NET2 we must not test or define or undef it.
   (Note that the comments in NET 2's ansi.h
   are incorrect for _VA_LIST_--see stdio.h!)  */
/* Michael Eriksson <mer@sics.se> at Thu Sep 30 11:00:57 1993:
   Sequent defines _VA_LIST_ in <machine/machtypes.h> to be the type to
   use for va_list (``typedef _VA_LIST_ va_list'') */
#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5  */
#ifndef _VA_LIST_DEFINED
/* The macro _VA_LIST is used in SCO Unix 3.2.  */
#ifndef _VA_LIST
/* The macro _VA_LIST_T_H is used in the Bull dpx2  */
#ifndef _VA_LIST_T_H
/* The macro __va_list__ is used by BeOS.  */
#ifndef __va_list__
typedef __gnuc_va_list va_list;
#endif /* not __va_list__ */
#endif /* not _VA_LIST_T_H */
#endif /* not _VA_LIST */
#endif /* not _VA_LIST_DEFINED */
#if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
#define _VA_LIST_
#endif
#ifndef _VA_LIST
#define _VA_LIST
#endif
#ifndef _VA_LIST_DEFINED
#define _VA_LIST_DEFINED
#endif
#ifndef _VA_LIST_T_H
#define _VA_LIST_T_H
#endif
#ifndef __va_list__
#define __va_list__
#endif

#endif /* not _VA_LIST_, except on certain systems */

#endif /* not __svr4__ */

/* The next BSD release (if there is one) wants this symbol to be
   undefined instead of _VA_LIST_.  */
#ifdef _BSD_VA_LIST
#undef _BSD_VA_LIST
#endif

#endif /* _VARARGS_H */
