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
28 * ISO C Standard: 7.15 Variable arguments <stdarg.h>
34 #ifndef _ANSI_STDARG_H_
35 #ifndef __need___va_list
37 #define _ANSI_STDARG_H_
38 #endif /* not __need___va_list */
39 #undef __need___va_list
41 /* Define __gnuc_va_list. */
43 #ifndef __GNUC_VA_LIST
44 #define __GNUC_VA_LIST
45 typedef __builtin_va_list __gnuc_va_list;
48 /* Define the standard macros for the user,
49 if this invocation was from the user program. */
52 /* Note that the type used in va_arg is supposed to match the
53 actual type **after default promotions**.
54 Thus, va_arg (..., short) is not valid. */
56 #define va_start(v,l) __builtin_stdarg_start((v),l)
57 #define va_end __builtin_va_end
58 #define va_arg __builtin_va_arg
59 #if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L
60 #define va_copy(d,s) __builtin_va_copy((d),(s))
62 #define __va_copy(d,s) __builtin_va_copy((d),(s))
65 /* Define va_list, if desired, from __gnuc_va_list. */
66 /* We deliberately do not define va_list when called from
67 stdio.h, because ANSI C says that stdio.h is not supposed to define
68 va_list. stdio.h needs to have access to that data type,
69 but must not use that name. It should use the name __gnuc_va_list,
70 which is safe because it is reserved for the implementation. */
72 #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
80 #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
81 /* SVR4.2 uses _VA_LIST for an internal alias for va_list,
82 so we must avoid testing it and setting it here.
83 SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
84 have no conflict with that. */
89 #define _VA_LIST va_list
92 typedef __gnuc_va_list va_list;
96 #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 #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
104 /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
105 #ifndef _VA_LIST_DEFINED
106 /* The macro _VA_LIST is used in SCO Unix 3.2. */
108 /* The macro _VA_LIST_T_H is used in the Bull dpx2 */
110 /* The macro __va_list__ is used by BeOS. */
112 typedef __gnuc_va_list va_list;
113 #endif /* not __va_list__ */
114 #endif /* not _VA_LIST_T_H */
115 #endif /* not _VA_LIST */
116 #endif /* not _VA_LIST_DEFINED */
117 #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
123 #ifndef _VA_LIST_DEFINED
124 #define _VA_LIST_DEFINED
133 #endif /* not _VA_LIST_, except on certain systems */
135 #endif /* not __svr4__ */
137 #endif /* _STDARG_H */
139 #endif /* not _ANSI_STDARG_H_ */
140 #endif /* not _STDARG_H */