1 /* Copyright (C) 1989, 1997, 1998, 1999, 2000 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 2, 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 You should have received a copy of the GNU General Public License 16 along with GCC; see the file COPYING. If not, write to 17 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 18 Boston, MA 02110-1301, USA. */ 19 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 25 Public License. */ 26 27 /* 28 * ISO C Standard: 7.15 Variable arguments <stdarg.h> 29 */ 30 31 #ifndef _STDARG_H 32 #ifndef _ANSI_STDARG_H_ 33 #ifndef __need___va_list 34 #define _STDARG_H 35 #define _ANSI_STDARG_H_ 36 #endif /* not __need___va_list */ 37 #undef __need___va_list 38 39 /* Define __gnuc_va_list. */ 40 41 #ifndef __GNUC_VA_LIST 42 #define __GNUC_VA_LIST 43 typedef __builtin_va_list __gnuc_va_list; 44 #endif 45 46 /* Define the standard macros for the user, 47 if this invocation was from the user program. */ 48 #ifdef _STDARG_H 49 50 #define va_start(v,l) __builtin_va_start(v,l) 51 #define va_end(v) __builtin_va_end(v) 52 #define va_arg(v,l) __builtin_va_arg(v,l) 53 #if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L 54 #define va_copy(d,s) __builtin_va_copy(d,s) 55 #endif 56 #define __va_copy(d,s) __builtin_va_copy(d,s) 57 58 /* Define va_list, if desired, from __gnuc_va_list. */ 59 /* We deliberately do not define va_list when called from 60 stdio.h, because ANSI C says that stdio.h is not supposed to define 61 va_list. stdio.h needs to have access to that data type, 62 but must not use that name. It should use the name __gnuc_va_list, 63 which is safe because it is reserved for the implementation. */ 64 65 #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */ 66 #undef _VA_LIST 67 #endif 68 69 #ifdef _BSD_VA_LIST 70 #undef _BSD_VA_LIST 71 #endif 72 73 #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST)) 74 /* SVR4.2 uses _VA_LIST for an internal alias for va_list, 75 so we must avoid testing it and setting it here. 76 SVR4 uses _VA_LIST as a flag in stdarg.h, but we should 77 have no conflict with that. */ 78 #ifndef _VA_LIST_ 79 #define _VA_LIST_ 80 #ifdef __i860__ 81 #ifndef _VA_LIST 82 #define _VA_LIST va_list 83 #endif 84 #endif /* __i860__ */ 85 typedef __gnuc_va_list va_list; 86 #ifdef _SCO_DS 87 #define __VA_LIST 88 #endif 89 #endif /* _VA_LIST_ */ 90 #else /* not __svr4__ || _SCO_DS */ 91 92 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix. 93 But on BSD NET2 we must not test or define or undef it. 94 (Note that the comments in NET 2's ansi.h 95 are incorrect for _VA_LIST_--see stdio.h!) */ 96 #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT) 97 /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */ 98 #ifndef _VA_LIST_DEFINED 99 /* The macro _VA_LIST is used in SCO Unix 3.2. */ 100 #ifndef _VA_LIST 101 /* The macro _VA_LIST_T_H is used in the Bull dpx2 */ 102 #ifndef _VA_LIST_T_H 103 /* The macro __va_list__ is used by BeOS. */ 104 #ifndef __va_list__ 105 typedef __gnuc_va_list va_list; 106 #endif /* not __va_list__ */ 107 #endif /* not _VA_LIST_T_H */ 108 #endif /* not _VA_LIST */ 109 #endif /* not _VA_LIST_DEFINED */ 110 #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__)) 111 #define _VA_LIST_ 112 #endif 113 #ifndef _VA_LIST 114 #define _VA_LIST 115 #endif 116 #ifndef _VA_LIST_DEFINED 117 #define _VA_LIST_DEFINED 118 #endif 119 #ifndef _VA_LIST_T_H 120 #define _VA_LIST_T_H 121 #endif 122 #ifndef __va_list__ 123 #define __va_list__ 124 #endif 125 126 #endif /* not _VA_LIST_, except on certain systems */ 127 128 #endif /* not __svr4__ */ 129 130 #endif /* _STDARG_H */ 131 132 #endif /* not _ANSI_STDARG_H_ */ 133 #endif /* not _STDARG_H */ 134
