stdarg.h
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上传日期:2022-06-22
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- /* Copyright (C) 1989, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
- This file is part of GNU CC.
- GNU CC is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
- /* As a special exception, if you include this header file into source
- files compiled by GCC, this header file does not by itself cause
- the resulting executable to be covered by the GNU General Public
- License. This exception does not however invalidate any other
- reasons why the executable file might be covered by the GNU General
- Public License. */
- /*
- * ISO C Standard: 7.15 Variable arguments <stdarg.h>
- */
- #ifndef _STDARG_H
- #ifndef _ANSI_STDARG_H_
- #ifndef __need___va_list
- #define _STDARG_H
- #define _ANSI_STDARG_H_
- #endif /* not __need___va_list */
- #undef __need___va_list
- /* Define __gnuc_va_list. */
- #ifndef __GNUC_VA_LIST
- #define __GNUC_VA_LIST
- typedef __builtin_va_list __gnuc_va_list;
- #endif
- /* Define the standard macros for the user,
- if this invocation was from the user program. */
- #ifdef _STDARG_H
- #define va_start(v,l) __builtin_va_start(v,l)
- #define va_end(v) __builtin_va_end(v)
- #define va_arg(v,l) __builtin_va_arg(v,l)
- #if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L
- #define va_copy(d,s) __builtin_va_copy(d,s)
- #endif
- #define __va_copy(d,s) __builtin_va_copy(d,s)
- /* Define va_list, if desired, from __gnuc_va_list. */
- /* We deliberately do not define va_list when called from
- stdio.h, because ANSI C says that stdio.h is not supposed to define
- va_list. stdio.h needs to have access to that data type,
- but must not use that name. It should use the name __gnuc_va_list,
- which is safe because it is reserved for the implementation. */
- #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
- #undef _VA_LIST
- #endif
- #ifdef _BSD_VA_LIST
- #undef _BSD_VA_LIST
- #endif
- #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
- /* SVR4.2 uses _VA_LIST for an internal alias for va_list,
- so we must avoid testing it and setting it here.
- SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
- have no conflict with that. */
- #ifndef _VA_LIST_
- #define _VA_LIST_
- #ifdef __i860__
- #ifndef _VA_LIST
- #define _VA_LIST va_list
- #endif
- #endif /* __i860__ */
- typedef __gnuc_va_list va_list;
- #ifdef _SCO_DS
- #define __VA_LIST
- #endif
- #endif /* _VA_LIST_ */
- #else /* not __svr4__ || _SCO_DS */
- /* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
- But on BSD NET2 we must not test or define or undef it.
- (Note that the comments in NET 2's ansi.h
- are incorrect for _VA_LIST_--see stdio.h!) */
- #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
- /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
- #ifndef _VA_LIST_DEFINED
- /* The macro _VA_LIST is used in SCO Unix 3.2. */
- #ifndef _VA_LIST
- /* The macro _VA_LIST_T_H is used in the Bull dpx2 */
- #ifndef _VA_LIST_T_H
- /* The macro __va_list__ is used by BeOS. */
- #ifndef __va_list__
- typedef __gnuc_va_list va_list;
- #endif /* not __va_list__ */
- #endif /* not _VA_LIST_T_H */
- #endif /* not _VA_LIST */
- #endif /* not _VA_LIST_DEFINED */
- #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
- #define _VA_LIST_
- #endif
- #ifndef _VA_LIST
- #define _VA_LIST
- #endif
- #ifndef _VA_LIST_DEFINED
- #define _VA_LIST_DEFINED
- #endif
- #ifndef _VA_LIST_T_H
- #define _VA_LIST_T_H
- #endif
- #ifndef __va_list__
- #define __va_list__
- #endif
- #endif /* not _VA_LIST_, except on certain systems */
- #endif /* not __svr4__ */
- #endif /* _STDARG_H */
- #endif /* not _ANSI_STDARG_H_ */
- #endif /* not _STDARG_H */