1 /* Copyright (C) 1989, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
3 This file is part of GNU CC.
5 GNU CC is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 GNU CC is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNU CC; see the file COPYING. If not, write to
17 the Free Software Foundation, 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 /* As a special exception, if you include this header file into source
21 files compiled by GCC, this header file does not by itself cause
22 the resulting executable to be covered by the GNU General Public
23 License. This exception does not however invalidate any other
24 reasons why the executable file might be covered by the GNU General
34 /* On Next, erase any vestiges of stdarg.h. */
36 #ifdef _ANSI_STDARG_H_
39 #define _ANSI_STDARG_H_
49 /* These macros implement traditional (non-ANSI) varargs
52 #define va_alist __builtin_va_alist
54 /* ??? We don't process attributes correctly in K&R argument context. */
55 typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
57 /* ??? It would be nice to get rid of the ellipsis here. It causes
58 current_function_varargs to be set in cc1. */
59 #define va_dcl __builtin_va_alist_t __builtin_va_alist; ...
61 /* Define __gnuc_va_list, just as in stdarg.h. */
63 #ifndef __GNUC_VA_LIST
64 #define __GNUC_VA_LIST
65 typedef __builtin_va_list __gnuc_va_list;
68 #define va_start(v) __builtin_varargs_start((v))
69 #define va_end __builtin_va_end
70 #define va_arg __builtin_va_arg
71 #define __va_copy(d,s) __builtin_va_copy((d),(s))
73 /* Define va_list from __gnuc_va_list. */
75 #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
79 #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
80 /* SVR4.2 uses _VA_LIST for an internal alias for va_list,
81 so we must avoid testing it and setting it here.
82 SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
83 have no conflict with that. */
88 #define _VA_LIST va_list
91 typedef __gnuc_va_list va_list;
95 #endif /* _VA_LIST_ */
97 #else /* not __svr4__ || _SCO_DS */
99 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
100 But on BSD NET2 we must not test or define or undef it.
101 (Note that the comments in NET 2's ansi.h
102 are incorrect for _VA_LIST_--see stdio.h!) */
103 /* Michael Eriksson <mer@sics.se> at Thu Sep 30 11:00:57 1993:
104 Sequent defines _VA_LIST_ in <machine/machtypes.h> to be the type to
105 use for va_list (``typedef _VA_LIST_ va_list'') */
106 #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
107 /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
108 #ifndef _VA_LIST_DEFINED
109 /* The macro _VA_LIST is used in SCO Unix 3.2. */
111 /* The macro _VA_LIST_T_H is used in the Bull dpx2 */
113 /* The macro __va_list__ is used by BeOS. */
115 typedef __gnuc_va_list va_list;
116 #endif /* not __va_list__ */
117 #endif /* not _VA_LIST_T_H */
118 #endif /* not _VA_LIST */
119 #endif /* not _VA_LIST_DEFINED */
120 #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
126 #ifndef _VA_LIST_DEFINED
127 #define _VA_LIST_DEFINED
136 #endif /* not _VA_LIST_, except on certain systems */
138 #endif /* not __svr4__ */
140 /* The next BSD release (if there is one) wants this symbol to be
141 undefined instead of _VA_LIST_. */
146 #endif /* _VARARGS_H */