Filename: //usr/include/c++/10/experimental//bits///fs_fwd.h

// Filesystem declarations -*- C++ -*- // Copyright (C) 2014-2020 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file experimental/bits/fs_fwd.h * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{experimental/filesystem} */ #ifndef _GLIBCXX_EXPERIMENTAL_FS_FWD_H #define _GLIBCXX_EXPERIMENTAL_FS_FWD_H 1 #if __cplusplus < 201103L # include <bits/c++0x_warning.h> #else #include <system_error> #include <cstdint> #include <chrono> namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION namespace experimental { namespace filesystem { inline namespace v1 { #if _GLIBCXX_USE_CXX11_ABI inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { } #endif /** * @defgroup filesystem-ts Filesystem TS * @ingroup experimental * * Utilities for performing operations on file systems and their components, * such as paths, regular files, and directories. * * ISO/IEC TS 18822:2015 C++ File System Technical Specification * @{ */ class file_status; _GLIBCXX_BEGIN_NAMESPACE_CXX11 class path; class filesystem_error; class directory_entry; class directory_iterator; class recursive_directory_iterator; _GLIBCXX_END_NAMESPACE_CXX11 struct space_info { uintmax_t capacity; uintmax_t free; uintmax_t available; }; enum class file_type : signed char { none = 0, not_found = -1, regular = 1, directory = 2, symlink = 3, block = 4, character = 5, fifo = 6, socket = 7, unknown = 8 }; /// Bitmask type enum class copy_options : unsigned short { none = 0, skip_existing = 1, overwrite_existing = 2, update_existing = 4, recursive = 8, copy_symlinks = 16, skip_symlinks = 32, directories_only = 64, create_symlinks = 128, create_hard_links = 256 }; constexpr copy_options operator&(copy_options __x, copy_options __y) noexcept { using __utype = typename std::underlying_type<copy_options>::type; return static_cast<copy_options>( static_cast<__utype>(__x) & static_cast<__utype>(__y)); } constexpr copy_options operator|(copy_options __x, copy_options __y) noexcept { using __utype = typename std::underlying_type<copy_options>::type; return static_cast<copy_options>( static_cast<__utype>(__x) | static_cast<__utype>(__y)); } constexpr copy_options operator^(copy_options __x, copy_options __y) noexcept { using __utype = typename std::underlying_type<copy_options>::type; return static_cast<copy_options>( static_cast<__utype>(__x) ^ static_cast<__utype>(__y)); } constexpr copy_options operator~(copy_options __x) noexcept { using __utype = typename std::underlying_type<copy_options>::type; return static_cast<copy_options>(~static_cast<__utype>(__x)); } inline copy_options& operator&=(copy_options& __x, copy_options __y) noexcept { return __x = __x & __y; } inline copy_options& operator|=(copy_options& __x, copy_options __y) noexcept { return __x = __x | __y; } inline copy_options& operator^=(copy_options& __x, copy_options __y) noexcept { return __x = __x ^ __y; } /// Bitmask type enum class perms : unsigned { none = 0, owner_read = 0400, owner_write = 0200, owner_exec = 0100, owner_all = 0700, group_read = 040, group_write = 020, group_exec = 010, group_all = 070, others_read = 04, others_write = 02, others_exec = 01, others_all = 07, all = 0777, set_uid = 04000, set_gid = 02000, sticky_bit = 01000, mask = 07777, unknown = 0xFFFF, add_perms = 0x10000, remove_perms = 0x20000, symlink_nofollow = 0x40000 }; constexpr perms operator&(perms __x, perms __y) noexcept { using __utype = typename std::underlying_type<perms>::type; return static_cast<perms>( static_cast<__utype>(__x) & static_cast<__utype>(__y)); } constexpr perms operator|(perms __x, perms __y) noexcept { using __utype = typename std::underlying_type<perms>::type; return static_cast<perms>( static_cast<__utype>(__x) | static_cast<__utype>(__y)); } constexpr perms operator^(perms __x, perms __y) noexcept { using __utype = typename std::underlying_type<perms>::type; return static_cast<perms>( static_cast<__utype>(__x) ^ static_cast<__utype>(__y)); } constexpr perms operator~(perms __x) noexcept { using __utype = typename std::underlying_type<perms>::type; return static_cast<perms>(~static_cast<__utype>(__x)); } inline perms& operator&=(perms& __x, perms __y) noexcept { return __x = __x & __y; } inline perms& operator|=(perms& __x, perms __y) noexcept { return __x = __x | __y; } inline perms& operator^=(perms& __x, perms __y) noexcept { return __x = __x ^ __y; } // Bitmask type enum class directory_options : unsigned char { none = 0, follow_directory_symlink = 1, skip_permission_denied = 2 }; constexpr directory_options operator&(directory_options __x, directory_options __y) noexcept { using __utype = typename std::underlying_type<directory_options>::type; return static_cast<directory_options>( static_cast<__utype>(__x) & static_cast<__utype>(__y)); } constexpr directory_options operator|(directory_options __x, directory_options __y) noexcept { using __utype = typename std::underlying_type<directory_options>::type; return static_cast<directory_options>( static_cast<__utype>(__x) | static_cast<__utype>(__y)); } constexpr directory_options operator^(directory_options __x, directory_options __y) noexcept { using __utype = typename std::underlying_type<directory_options>::type; return static_cast<directory_options>( static_cast<__utype>(__x) ^ static_cast<__utype>(__y)); } constexpr directory_options operator~(directory_options __x) noexcept { using __utype = typename std::underlying_type<directory_options>::type; return static_cast<directory_options>(~static_cast<__utype>(__x)); } inline directory_options& operator&=(directory_options& __x, directory_options __y) noexcept { return __x = __x & __y; } inline directory_options& operator|=(directory_options& __x, directory_options __y) noexcept { return __x = __x | __y; } inline directory_options& operator^=(directory_options& __x, directory_options __y) noexcept { return __x = __x ^ __y; } using file_time_type = std::chrono::system_clock::time_point; // operational functions void copy(const path& __from, const path& __to, copy_options __options); void copy(const path& __from, const path& __to, copy_options __options, error_code&) noexcept; bool copy_file(const path& __from, const path& __to, copy_options __option); bool copy_file(const path& __from, const path& __to, copy_options __option, error_code&) noexcept; path current_path(); file_status status(const path&); file_status status(const path&, error_code&) noexcept; bool status_known(file_status) noexcept; file_status symlink_status(const path&); file_status symlink_status(const path&, error_code&) noexcept; bool is_regular_file(file_status) noexcept; bool is_symlink(file_status) noexcept; // @} group filesystem-ts } // namespace v1 } // namespace filesystem } // namespace experimental _GLIBCXX_END_NAMESPACE_VERSION } // namespace std #endif // C++11 #endif // _GLIBCXX_EXPERIMENTAL_FS_FWD_H

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