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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-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___FILESYSTEM_PERMS_H11#define _LIBCPP___FILESYSTEM_PERMS_H12 13#include <__config>14 15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)16# pragma GCC system_header17#endif18 19#if _LIBCPP_STD_VER >= 1720 21_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM22 23// On Windows, these permission bits map to one single readonly flag per24// file, and the executable bit is always returned as set. When setting25// permissions, as long as the write bit is set for either owner, group or26// others, the readonly flag is cleared.27enum class perms : unsigned {28 none = 0,29 30 owner_read = 0400,31 owner_write = 0200,32 owner_exec = 0100,33 owner_all = 0700,34 35 group_read = 040,36 group_write = 020,37 group_exec = 010,38 group_all = 070,39 40 others_read = 04,41 others_write = 02,42 others_exec = 01,43 others_all = 07,44 45 all = 0777,46 47 set_uid = 04000,48 set_gid = 02000,49 sticky_bit = 01000,50 mask = 07777,51 unknown = 0xFFFF,52};53 54_LIBCPP_HIDE_FROM_ABI inline constexpr perms operator&(perms __lhs, perms __rhs) {55 return static_cast<perms>(static_cast<unsigned>(__lhs) & static_cast<unsigned>(__rhs));56}57 58_LIBCPP_HIDE_FROM_ABI inline constexpr perms operator|(perms __lhs, perms __rhs) {59 return static_cast<perms>(static_cast<unsigned>(__lhs) | static_cast<unsigned>(__rhs));60}61 62_LIBCPP_HIDE_FROM_ABI inline constexpr perms operator^(perms __lhs, perms __rhs) {63 return static_cast<perms>(static_cast<unsigned>(__lhs) ^ static_cast<unsigned>(__rhs));64}65 66_LIBCPP_HIDE_FROM_ABI inline constexpr perms operator~(perms __lhs) {67 return static_cast<perms>(~static_cast<unsigned>(__lhs));68}69 70_LIBCPP_HIDE_FROM_ABI inline perms& operator&=(perms& __lhs, perms __rhs) { return __lhs = __lhs & __rhs; }71 72_LIBCPP_HIDE_FROM_ABI inline perms& operator|=(perms& __lhs, perms __rhs) { return __lhs = __lhs | __rhs; }73 74_LIBCPP_HIDE_FROM_ABI inline perms& operator^=(perms& __lhs, perms __rhs) { return __lhs = __lhs ^ __rhs; }75 76_LIBCPP_END_NAMESPACE_FILESYSTEM77 78#endif // _LIBCPP_STD_VER >= 1779 80#endif // _LIBCPP___FILESYSTEM_PERMS_H81