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1 | /* Copyright (C) 1989-2017 Free Software Foundation, Inc. | |
2 | ||
3 | This file is part of GCC. | |
4 | ||
5 | GCC 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 3, or (at your option) | |
8 | any later version. | |
9 | ||
10 | GCC 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. | |
14 | ||
15 | Under Section 7 of GPL version 3, you are granted additional | |
16 | permissions described in the GCC Runtime Library Exception, version | |
17 | 3.1, as published by the Free Software Foundation. | |
18 | ||
19 | You should have received a copy of the GNU General Public License and | |
20 | a copy of the GCC Runtime Library Exception along with this program; | |
21 | see 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 | |
40 | typedef __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 | ||
47 | #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) | |
53 | #endif | |
54 | #define __va_copy(d,s) __builtin_va_copy(d,s) | |
55 | ||
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__ */ | |
79 | typedef __gnuc_va_list va_list; | |
80 | #ifdef _SCO_DS | |
81 | #define __VA_LIST | |
82 | #endif | |
83 | #endif /* _VA_LIST_ */ | |
84 | #else /* not __svr4__ || _SCO_DS */ | |
85 | ||
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!) */ | |
90 | #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT) | |
91 | /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */ | |
92 | #ifndef _VA_LIST_DEFINED | |
93 | /* The macro _VA_LIST is used in SCO Unix 3.2. */ | |
94 | #ifndef _VA_LIST | |
95 | /* The macro _VA_LIST_T_H is used in the Bull dpx2 */ | |
96 | #ifndef _VA_LIST_T_H | |
97 | /* The macro __va_list__ is used by BeOS. */ | |
98 | #ifndef __va_list__ | |
99 | typedef __gnuc_va_list va_list; | |
100 | #endif /* not __va_list__ */ | |
101 | #endif /* not _VA_LIST_T_H */ | |
102 | #endif /* not _VA_LIST */ | |
103 | #endif /* not _VA_LIST_DEFINED */ | |
104 | #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__)) | |
105 | #define _VA_LIST_ | |
106 | #endif | |
107 | #ifndef _VA_LIST | |
108 | #define _VA_LIST | |
109 | #endif | |
110 | #ifndef _VA_LIST_DEFINED | |
111 | #define _VA_LIST_DEFINED | |
112 | #endif | |
113 | #ifndef _VA_LIST_T_H | |
114 | #define _VA_LIST_T_H | |
115 | #endif | |
116 | #ifndef __va_list__ | |
117 | #define __va_list__ | |
118 | #endif | |
119 | ||
120 | #endif /* not _VA_LIST_, except on certain systems */ | |
121 | ||
122 | #endif /* not __svr4__ */ | |
123 | ||
124 | #endif /* _STDARG_H */ | |
125 | ||
126 | #endif /* not _ANSI_STDARG_H_ */ | |
127 | #endif /* not _STDARG_H */ |