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swissChili0b35bf22021-02-18 12:49:40 -08001/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
2
3This file is part of GCC.
4
5GCC is free software; you can redistribute it and/or modify
6it under the terms of the GNU General Public License as published by
7the Free Software Foundation; either version 3, or (at your option)
8any later version.
9
10GCC is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13GNU General Public License for more details.
14
15Under Section 7 of GPL version 3, you are granted additional
16permissions described in the GCC Runtime Library Exception, version
173.1, as published by the Free Software Foundation.
18
19You should have received a copy of the GNU General Public License and
20a copy of the GCC Runtime Library Exception along with this program;
21see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22<http://www.gnu.org/licenses/>. */
23
24/*
25 * ISO C Standard: 7.15 Variable arguments <stdarg.h>
26 */
27
28#ifndef _STDARG_H
29#ifndef _ANSI_STDARG_H_
30#ifndef __need___va_list
31#define _STDARG_H
32#define _ANSI_STDARG_H_
33#endif /* not __need___va_list */
34#undef __need___va_list
35
36/* Define __gnuc_va_list. */
37
38#ifndef __GNUC_VA_LIST
39#define __GNUC_VA_LIST
40typedef __builtin_va_list __gnuc_va_list;
41#endif
42
43/* Define the standard macros for the user,
44 if this invocation was from the user program. */
45#ifdef _STDARG_H
46
swissChili825d46b2021-02-21 10:14:16 -080047#define va_start(v, l) __builtin_va_start(v, l)
48#define va_end(v) __builtin_va_end(v)
49#define va_arg(v, l) __builtin_va_arg(v, l)
50#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L || \
51 __cplusplus + 0 >= 201103L
52#define va_copy(d, s) __builtin_va_copy(d, s)
swissChili0b35bf22021-02-18 12:49:40 -080053#endif
swissChili825d46b2021-02-21 10:14:16 -080054#define __va_copy(d, s) __builtin_va_copy(d, s)
swissChili0b35bf22021-02-18 12:49:40 -080055
56/* Define va_list, if desired, from __gnuc_va_list. */
57/* We deliberately do not define va_list when called from
58 stdio.h, because ANSI C says that stdio.h is not supposed to define
59 va_list. stdio.h needs to have access to that data type,
60 but must not use that name. It should use the name __gnuc_va_list,
61 which is safe because it is reserved for the implementation. */
62
63#ifdef _BSD_VA_LIST
64#undef _BSD_VA_LIST
65#endif
66
67#if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
68/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
69 so we must avoid testing it and setting it here.
70 SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
71 have no conflict with that. */
72#ifndef _VA_LIST_
73#define _VA_LIST_
74#ifdef __i860__
75#ifndef _VA_LIST
76#define _VA_LIST va_list
77#endif
78#endif /* __i860__ */
79typedef __gnuc_va_list va_list;
80#ifdef _SCO_DS
81#define __VA_LIST
82#endif
83#endif /* _VA_LIST_ */
swissChili825d46b2021-02-21 10:14:16 -080084#else /* not __svr4__ || _SCO_DS */
swissChili0b35bf22021-02-18 12:49:40 -080085
86/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
87 But on BSD NET2 we must not test or define or undef it.
88 (Note that the comments in NET 2's ansi.h
89 are incorrect for _VA_LIST_--see stdio.h!) */
swissChili825d46b2021-02-21 10:14:16 -080090#if !defined(_VA_LIST_) || defined(__BSD_NET2__) || defined(____386BSD____) || \
91 defined(__bsdi__) || defined(__sequent__) || defined(__FreeBSD__) || \
92 defined(WINNT)
swissChili0b35bf22021-02-18 12:49:40 -080093/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
94#ifndef _VA_LIST_DEFINED
95/* The macro _VA_LIST is used in SCO Unix 3.2. */
96#ifndef _VA_LIST
97/* The macro _VA_LIST_T_H is used in the Bull dpx2 */
98#ifndef _VA_LIST_T_H
99/* The macro __va_list__ is used by BeOS. */
100#ifndef __va_list__
101typedef __gnuc_va_list va_list;
102#endif /* not __va_list__ */
103#endif /* not _VA_LIST_T_H */
104#endif /* not _VA_LIST */
105#endif /* not _VA_LIST_DEFINED */
swissChili825d46b2021-02-21 10:14:16 -0800106#if !(defined(__BSD_NET2__) || defined(____386BSD____) || defined(__bsdi__) || \
107 defined(__sequent__) || defined(__FreeBSD__))
swissChili0b35bf22021-02-18 12:49:40 -0800108#define _VA_LIST_
109#endif
110#ifndef _VA_LIST
111#define _VA_LIST
112#endif
113#ifndef _VA_LIST_DEFINED
114#define _VA_LIST_DEFINED
115#endif
116#ifndef _VA_LIST_T_H
117#define _VA_LIST_T_H
118#endif
119#ifndef __va_list__
120#define __va_list__
121#endif
122
123#endif /* not _VA_LIST_, except on certain systems */
124
125#endif /* not __svr4__ */
126
127#endif /* _STDARG_H */
128
129#endif /* not _ANSI_STDARG_H_ */
130#endif /* not _STDARG_H */