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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___MEMORY_TEMPORARY_BUFFER_H |
11 | #define _LIBCPP___MEMORY_TEMPORARY_BUFFER_H |
12 | |
13 | #include <__config> |
14 | #include <__cstddef/ptrdiff_t.h> |
15 | #include <__memory/unique_temporary_buffer.h> |
16 | #include <__utility/pair.h> |
17 | |
18 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
19 | # pragma GCC system_header |
20 | #endif |
21 | |
22 | #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_TEMPORARY_BUFFER) |
23 | |
24 | _LIBCPP_BEGIN_NAMESPACE_STD |
25 | |
26 | template <class _Tp> |
27 | [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_NO_CFI _LIBCPP_DEPRECATED_IN_CXX17 pair<_Tp*, ptrdiff_t> |
28 | get_temporary_buffer(ptrdiff_t __n) _NOEXCEPT { |
29 | __unique_temporary_buffer<_Tp> __unique_buf = std::__allocate_unique_temporary_buffer<_Tp>(__n); |
30 | pair<_Tp*, ptrdiff_t> __result(__unique_buf.get(), __unique_buf.get_deleter().__count_); |
31 | __unique_buf.release(); |
32 | return __result; |
33 | } |
34 | |
35 | template <class _Tp> |
36 | inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_IN_CXX17 void return_temporary_buffer(_Tp* __p) _NOEXCEPT { |
37 | __unique_temporary_buffer<_Tp> __unique_buf(__p); |
38 | (void)__unique_buf; |
39 | } |
40 | |
41 | _LIBCPP_END_NAMESPACE_STD |
42 | |
43 | #endif // _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_TEMPORARY_BUFFER) |
44 | |
45 | #endif // _LIBCPP___MEMORY_TEMPORARY_BUFFER_H |
46 |
Warning: This file is not a C or C++ file. It does not have highlighting.