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      1 /*===---- stdarg.h - Variable argument handling ----------------------------===
      2  *
      3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4  * See https://llvm.org/LICENSE.txt for license information.
      5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6  *
      7  *===-----------------------------------------------------------------------===
      8  */
      9 
     10 #ifndef __STDARG_H
     11 #define __STDARG_H
     12 
     13 #ifndef _VA_LIST
     14 typedef __builtin_va_list va_list;
     15 #define _VA_LIST
     16 #endif
     17 #define va_start(ap, param) __builtin_va_start(ap, param)
     18 #define va_end(ap)          __builtin_va_end(ap)
     19 #define va_arg(ap, type)    __builtin_va_arg(ap, type)
     20 
     21 /* GCC always defines __va_copy, but does not define va_copy unless in c99 mode
     22  * or -ansi is not specified, since it was not part of C90.
     23  */
     24 #define __va_copy(d,s) __builtin_va_copy(d,s)
     25 
     26 #if __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__)
     27 #define va_copy(dest, src)  __builtin_va_copy(dest, src)
     28 #endif
     29 
     30 #ifndef __GNUC_VA_LIST
     31 #define __GNUC_VA_LIST 1
     32 typedef __builtin_va_list __gnuc_va_list;
     33 #endif
     34 
     35 #endif /* __STDARG_H */
     36