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      1 /* Copyright (C) 1989-2014 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 _BSD_VA_LIST
     63 #undef _BSD_VA_LIST
     64 #endif
     65 
     66 #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
     67 /* SVR4.2 uses _VA_LIST for an internal alias for va_list,
     68    so we must avoid testing it and setting it here.
     69    SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
     70    have no conflict with that.  */
     71 #ifndef _VA_LIST_
     72 #define _VA_LIST_
     73 #ifdef __i860__
     74 #ifndef _VA_LIST
     75 #define _VA_LIST va_list
     76 #endif
     77 #endif /* __i860__ */
     78 typedef __gnuc_va_list va_list;
     79 #ifdef _SCO_DS
     80 #define __VA_LIST
     81 #endif
     82 #endif /* _VA_LIST_ */
     83 #else /* not __svr4__ || _SCO_DS */
     84 
     85 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
     86    But on BSD NET2 we must not test or define or undef it.
     87    (Note that the comments in NET 2's ansi.h
     88    are incorrect for _VA_LIST_--see stdio.h!)  */
     89 #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
     90 /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5  */
     91 #ifndef _VA_LIST_DEFINED
     92 /* The macro _VA_LIST is used in SCO Unix 3.2.  */
     93 #ifndef _VA_LIST
     94 /* The macro _VA_LIST_T_H is used in the Bull dpx2  */
     95 #ifndef _VA_LIST_T_H
     96 /* The macro __va_list__ is used by BeOS.  */
     97 #ifndef __va_list__
     98 typedef __gnuc_va_list va_list;
     99 #endif /* not __va_list__ */
    100 #endif /* not _VA_LIST_T_H */
    101 #endif /* not _VA_LIST */
    102 #endif /* not _VA_LIST_DEFINED */
    103 #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
    104 #define _VA_LIST_
    105 #endif
    106 #ifndef _VA_LIST
    107 #define _VA_LIST
    108 #endif
    109 #ifndef _VA_LIST_DEFINED
    110 #define _VA_LIST_DEFINED
    111 #endif
    112 #ifndef _VA_LIST_T_H
    113 #define _VA_LIST_T_H
    114 #endif
    115 #ifndef __va_list__
    116 #define __va_list__
    117 #endif
    118 
    119 #endif /* not _VA_LIST_, except on certain systems */
    120 
    121 #endif /* not __svr4__ */
    122 
    123 #endif /* _STDARG_H */
    124 
    125 #endif /* not _ANSI_STDARG_H_ */
    126 #endif /* not _STDARG_H */
    127