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___FILESYSTEM_PERM_OPTIONS_H 11 #define _LIBCPP___FILESYSTEM_PERM_OPTIONS_H 12 13 #include <__availability> 14 #include <__config> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 #if _LIBCPP_STD_VER >= 17 21 22 _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM 23 24 enum class perm_options : unsigned char { replace = 1, add = 2, remove = 4, nofollow = 8 }; 25 26 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator&(perm_options __lhs, perm_options __rhs) { 27 return static_cast<perm_options>(static_cast<unsigned>(__lhs) & static_cast<unsigned>(__rhs)); 28 } 29 30 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator|(perm_options __lhs, perm_options __rhs) { 31 return static_cast<perm_options>(static_cast<unsigned>(__lhs) | static_cast<unsigned>(__rhs)); 32 } 33 34 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator^(perm_options __lhs, perm_options __rhs) { 35 return static_cast<perm_options>(static_cast<unsigned>(__lhs) ^ static_cast<unsigned>(__rhs)); 36 } 37 38 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator~(perm_options __lhs) { 39 return static_cast<perm_options>(~static_cast<unsigned>(__lhs)); 40 } 41 42 _LIBCPP_HIDE_FROM_ABI inline perm_options& operator&=(perm_options& __lhs, perm_options __rhs) { 43 return __lhs = __lhs & __rhs; 44 } 45 46 _LIBCPP_HIDE_FROM_ABI inline perm_options& operator|=(perm_options& __lhs, perm_options __rhs) { 47 return __lhs = __lhs | __rhs; 48 } 49 50 _LIBCPP_HIDE_FROM_ABI inline perm_options& operator^=(perm_options& __lhs, perm_options __rhs) { 51 return __lhs = __lhs ^ __rhs; 52 } 53 54 _LIBCPP_END_NAMESPACE_FILESYSTEM 55 56 #endif // _LIBCPP_STD_VER >= 17 57 58 #endif // _LIBCPP___FILESYSTEM_PERM_OPTIONS_H 59