1 //===-- Holder Class for manipulating va_lists ------------------*- C++ -*-===//
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 #ifndef LLVM_LIBC_SRC_SUPPORT_ARG_LIST_H
10 #define LLVM_LIBC_SRC_SUPPORT_ARG_LIST_H
11 
12 #include <stdarg.h>
13 
14 namespace __llvm_libc {
15 namespace internal {
16 
17 class ArgList {
18   va_list vlist;
19 
20 public:
ArgList(va_list vlist)21   ArgList(va_list vlist) { va_copy(this->vlist, vlist); }
ArgList(ArgList & other)22   ArgList(ArgList &other) { va_copy(this->vlist, other.vlist); }
~ArgList()23   ~ArgList() { va_end(this->vlist); }
24 
next_var()25   template <class T> T inline next_var() { return va_arg(vlist, T); }
26 };
27 
28 } // namespace internal
29 } // namespace __llvm_libc
30 
31 #endif // LLVM_LIBC_SRC_SUPPORT_ARG_LIST_H
32