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#include <__assert> // all public C++ headers provide the assertion handler
35#include <__config>
36
37// <stdarg.h> is not provided by libc++
38#if __has_include(<stdarg.h>)
39#  include <stdarg.h>
40#  ifdef _LIBCPP_STDARG_H
41#    error "If libc++ starts defining <stdarg.h>, the __has_include check should move to libc++'s <stdarg.h>"
42#  endif
43#endif
44
45#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
46#  pragma GCC system_header
47#endif
48
49_LIBCPP_BEGIN_NAMESPACE_STD
50
51using ::va_list _LIBCPP_USING_IF_EXISTS;
52
53_LIBCPP_END_NAMESPACE_STD
54
55#endif // _LIBCPP_CSTDARG
56