xref: /llvm-project/libcxx/include/cstdarg (revision b9a2658a3e8bd13b0f9e7a8a440832a95b377216)
1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_CSTDARG
11#define _LIBCPP_CSTDARG
12
13/*
14    cstdarg synopsis
15
16Macros:
17
18    type va_arg(va_list ap, type);
19    void va_copy(va_list dest, va_list src);  // C99
20    void va_end(va_list ap);
21    void va_start(va_list ap, parmN);
22
23namespace std
24{
25
26Types:
27
28    va_list
29
30}  // std
31
32*/
33
34#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
35#  include <__cxx03/cstdarg>
36#else
37#  include <__config>
38
39// <stdarg.h> is not provided by libc++
40#  if __has_include(<stdarg.h>)
41#    include <stdarg.h>
42#    ifdef _LIBCPP_STDARG_H
43#      error "If libc++ starts defining <stdarg.h>, the __has_include check should move to libc++'s <stdarg.h>"
44#    endif
45#  endif
46
47#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
48#    pragma GCC system_header
49#  endif
50
51_LIBCPP_BEGIN_NAMESPACE_STD
52
53using ::va_list _LIBCPP_USING_IF_EXISTS;
54
55_LIBCPP_END_NAMESPACE_STD
56
57#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
58
59#endif // _LIBCPP_CSTDARG
60