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