145 lines
4.4 KiB
C
145 lines
4.4 KiB
C
/* Copyright (C) 1989, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* As a special exception, if you include this header file into source
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files compiled by GCC, this header file does not by itself cause
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the resulting executable to be covered by the GNU General Public
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License. This exception does not however invalidate any other
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reasons why the executable file might be covered by the GNU General
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Public License. */
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#ifndef _VARARGS_H
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#define _VARARGS_H
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#ifdef __NeXT__
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/* On Next, erase any vestiges of stdarg.h. */
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#ifdef _ANSI_STDARG_H_
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#define _VA_LIST_
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#endif
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#define _ANSI_STDARG_H_
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#undef va_alist
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#undef va_dcl
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#undef va_list
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#undef va_start
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#undef va_end
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#undef va_arg
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#endif /* __NeXT__ */
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/* These macros implement traditional (non-ANSI) varargs
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for GNU C. */
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#define va_alist __builtin_va_alist
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/* ??? We don't process attributes correctly in K&R argument context. */
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typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
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/* ??? It would be nice to get rid of the ellipsis here. It causes
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current_function_varargs to be set in cc1. */
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#define va_dcl __builtin_va_alist_t __builtin_va_alist; ...
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/* Define __gnuc_va_list, just as in stdarg.h. */
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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typedef __builtin_va_list __gnuc_va_list;
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#endif
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#define va_start(v) __builtin_varargs_start((v))
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#define va_end __builtin_va_end
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#define va_arg __builtin_va_arg
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#define __va_copy(d,s) __builtin_va_copy((d),(s))
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/* Define va_list from __gnuc_va_list. */
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#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
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#undef _VA_LIST
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#endif
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#if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
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/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
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so we must avoid testing it and setting it here.
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SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
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have no conflict with that. */
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#ifndef _VA_LIST_
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#define _VA_LIST_
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#ifdef __i860__
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#ifndef _VA_LIST
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#define _VA_LIST va_list
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#endif
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#endif /* __i860__ */
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typedef __gnuc_va_list va_list;
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#ifdef _SCO_DS
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#define __VA_LIST
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#endif
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#endif /* _VA_LIST_ */
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#else /* not __svr4__ || _SCO_DS */
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/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
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But on BSD NET2 we must not test or define or undef it.
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(Note that the comments in NET 2's ansi.h
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are incorrect for _VA_LIST_--see stdio.h!) */
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/* Michael Eriksson <mer@sics.se> at Thu Sep 30 11:00:57 1993:
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Sequent defines _VA_LIST_ in <machine/machtypes.h> to be the type to
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use for va_list (``typedef _VA_LIST_ va_list'') */
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#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
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/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
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#ifndef _VA_LIST_DEFINED
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/* The macro _VA_LIST is used in SCO Unix 3.2. */
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#ifndef _VA_LIST
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/* The macro _VA_LIST_T_H is used in the Bull dpx2 */
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#ifndef _VA_LIST_T_H
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/* The macro __va_list__ is used by BeOS. */
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#ifndef __va_list__
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typedef __gnuc_va_list va_list;
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#endif /* not __va_list__ */
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#endif /* not _VA_LIST_T_H */
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#endif /* not _VA_LIST */
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#endif /* not _VA_LIST_DEFINED */
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#if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
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#define _VA_LIST_
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#endif
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#ifndef _VA_LIST
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#define _VA_LIST
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#endif
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#ifndef _VA_LIST_DEFINED
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#define _VA_LIST_DEFINED
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#endif
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#ifndef _VA_LIST_T_H
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#define _VA_LIST_T_H
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#endif
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#ifndef __va_list__
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#define __va_list__
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#endif
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#endif /* not _VA_LIST_, except on certain systems */
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#endif /* not __svr4__ */
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/* The next BSD release (if there is one) wants this symbol to be
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undefined instead of _VA_LIST_. */
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#ifdef _BSD_VA_LIST
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#undef _BSD_VA_LIST
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#endif
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#endif /* _VARARGS_H */
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