clang/lib/Headers/stdarg.h

   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 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) ||              \
  27     (defined(__cplusplus) && __cplusplus >= 201103L) ||                        \
  28     !defined(__STRICT_ANSI__)
  29 #define va_copy(dest, src)  __builtin_va_copy(dest, src)
  30 #endif
  31
  32 #ifndef __GNUC_VA_LIST
  33 #define __GNUC_VA_LIST 1
  34 typedef __builtin_va_list __gnuc_va_list;
  35 #endif
  36
  37 #endif /* __STDARG_H */