Brian Silverman | 7e17102 | 2018-08-05 00:17:49 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Distributed under the Boost Software License, Version 1.0. |
| 3 | * (See accompanying file LICENSE_1_0.txt or copy at |
| 4 | * http://www.boost.org/LICENSE_1_0.txt) |
| 5 | * |
| 6 | * Copyright (c) 2018 Andrey Semashev |
| 7 | */ |
| 8 | /*! |
| 9 | * \file atomic/detail/string_ops.hpp |
| 10 | * |
| 11 | * This header defines string operations for Boost.Atomic |
| 12 | */ |
| 13 | |
| 14 | #ifndef BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_ |
| 15 | #define BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_ |
| 16 | |
| 17 | #include <boost/atomic/detail/config.hpp> |
| 18 | |
| 19 | #ifdef BOOST_HAS_PRAGMA_ONCE |
| 20 | #pragma once |
| 21 | #endif |
| 22 | |
| 23 | #if defined(__has_builtin) |
| 24 | #if __has_builtin(__builtin_memcpy) |
| 25 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY |
| 26 | #endif |
| 27 | #if __has_builtin(__builtin_memcmp) |
| 28 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP |
| 29 | #endif |
| 30 | #if __has_builtin(__builtin_memset) |
| 31 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET |
| 32 | #endif |
| 33 | #elif defined(BOOST_GCC) |
| 34 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY |
| 35 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP |
| 36 | #define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET |
| 37 | #endif |
| 38 | |
| 39 | #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY) |
| 40 | #define BOOST_ATOMIC_DETAIL_MEMCPY __builtin_memcpy |
| 41 | #else |
| 42 | #define BOOST_ATOMIC_DETAIL_MEMCPY std::memcpy |
| 43 | #endif |
| 44 | |
| 45 | #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP) |
| 46 | #define BOOST_ATOMIC_DETAIL_MEMCMP __builtin_memcmp |
| 47 | #else |
| 48 | #define BOOST_ATOMIC_DETAIL_MEMCMP std::memcmp |
| 49 | #endif |
| 50 | |
| 51 | #if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET) |
| 52 | #define BOOST_ATOMIC_DETAIL_MEMSET __builtin_memset |
| 53 | #else |
| 54 | #define BOOST_ATOMIC_DETAIL_MEMSET std::memset |
| 55 | #endif |
| 56 | |
| 57 | #if !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY) || !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP) || !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET) |
| 58 | #include <cstring> |
| 59 | #endif |
| 60 | |
| 61 | #endif // BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_ |