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_PERMS_H 11 #define _LIBCPP___FILESYSTEM_PERMS_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 #ifndef _LIBCPP_CXX03_LANG 21 22 _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM 23 24 _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH 25 26 // On Windows, these permission bits map to one single readonly flag per 27 // file, and the executable bit is always returned as set. When setting 28 // permissions, as long as the write bit is set for either owner, group or 29 // others, the readonly flag is cleared. 30 enum class _LIBCPP_ENUM_VIS perms : unsigned { 31 none = 0, 32 33 owner_read = 0400, 34 owner_write = 0200, 35 owner_exec = 0100, 36 owner_all = 0700, 37 38 group_read = 040, 39 group_write = 020, 40 group_exec = 010, 41 group_all = 070, 42 43 others_read = 04, 44 others_write = 02, 45 others_exec = 01, 46 others_all = 07, 47 48 all = 0777, 49 50 set_uid = 04000, 51 set_gid = 02000, 52 sticky_bit = 01000, 53 mask = 07777, 54 unknown = 0xFFFF, 55 }; 56 57 _LIBCPP_INLINE_VISIBILITY 58 inline constexpr perms operator&(perms __lhs, perms __rhs) { 59 return static_cast<perms>(static_cast<unsigned>(__lhs) & 60 static_cast<unsigned>(__rhs)); 61 } 62 63 _LIBCPP_INLINE_VISIBILITY 64 inline constexpr perms operator|(perms __lhs, perms __rhs) { 65 return static_cast<perms>(static_cast<unsigned>(__lhs) | 66 static_cast<unsigned>(__rhs)); 67 } 68 69 _LIBCPP_INLINE_VISIBILITY 70 inline constexpr perms operator^(perms __lhs, perms __rhs) { 71 return static_cast<perms>(static_cast<unsigned>(__lhs) ^ 72 static_cast<unsigned>(__rhs)); 73 } 74 75 _LIBCPP_INLINE_VISIBILITY 76 inline constexpr perms operator~(perms __lhs) { 77 return static_cast<perms>(~static_cast<unsigned>(__lhs)); 78 } 79 80 _LIBCPP_INLINE_VISIBILITY 81 inline perms& operator&=(perms& __lhs, perms __rhs) { return __lhs = __lhs & __rhs; } 82 83 _LIBCPP_INLINE_VISIBILITY 84 inline perms& operator|=(perms& __lhs, perms __rhs) { return __lhs = __lhs | __rhs; } 85 86 _LIBCPP_INLINE_VISIBILITY 87 inline perms& operator^=(perms& __lhs, perms __rhs) { return __lhs = __lhs ^ __rhs; } 88 89 _LIBCPP_AVAILABILITY_FILESYSTEM_POP 90 91 _LIBCPP_END_NAMESPACE_FILESYSTEM 92 93 #endif // _LIBCPP_CXX03_LANG 94 95 #endif // _LIBCPP___FILESYSTEM_PERMS_H 96