1 /* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2009 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 || defined(__GXX_EXPERIMENTAL_CXX0X__) 51 #define va_copy(d,s) __builtin_va_copy(d,s) 52 #endif 53 #define __va_copy(d,s) __builtin_va_copy(d,s) 54 55 /* Define va_list, if desired, from __gnuc_va_list. */ 56 /* We deliberately do not define va_list when called from 57 stdio.h, because ANSI C says that stdio.h is not supposed to define 58 va_list. stdio.h needs to have access to that data type, 59 but must not use that name. It should use the name __gnuc_va_list, 60 which is safe because it is reserved for the implementation. */ 61 62 #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */ 63 #undef _VA_LIST 64 #endif 65 66 #ifdef _BSD_VA_LIST 67 #undef _BSD_VA_LIST 68 #endif 69 70 #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST)) 71 /* SVR4.2 uses _VA_LIST for an internal alias for va_list, 72 so we must avoid testing it and setting it here. 73 SVR4 uses _VA_LIST as a flag in stdarg.h, but we should 74 have no conflict with that. */ 75 #ifndef _VA_LIST_ 76 #define _VA_LIST_ 77 #ifdef __i860__ 78 #ifndef _VA_LIST 79 #define _VA_LIST va_list 80 #endif 81 #endif /* __i860__ */ 82 typedef __gnuc_va_list va_list; 83 #ifdef _SCO_DS 84 #define __VA_LIST 85 #endif 86 #endif /* _VA_LIST_ */ 87 #else /* not __svr4__ || _SCO_DS */ 88 89 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix. 90 But on BSD NET2 we must not test or define or undef it. 91 (Note that the comments in NET 2's ansi.h 92 are incorrect for _VA_LIST_--see stdio.h!) */ 93 #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT) 94 /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */ 95 #ifndef _VA_LIST_DEFINED 96 /* The macro _VA_LIST is used in SCO Unix 3.2. */ 97 #ifndef _VA_LIST 98 /* The macro _VA_LIST_T_H is used in the Bull dpx2 */ 99 #ifndef _VA_LIST_T_H 100 /* The macro __va_list__ is used by BeOS. */ 101 #ifndef __va_list__ 102 typedef __gnuc_va_list va_list; 103 #endif /* not __va_list__ */ 104 #endif /* not _VA_LIST_T_H */ 105 #endif /* not _VA_LIST */ 106 #endif /* not _VA_LIST_DEFINED */ 107 #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__)) 108 #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 */ 131
