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Name	Size	Permission
algorithmfwd.h	21.23 KB	-rw-r--r--
alloc_traits.h	20.98 KB	-rw-r--r--
allocated_ptr.h	3.22 KB	-rw-r--r--
allocator.h	7.76 KB	-rw-r--r--
atomic_base.h	24.41 KB	-rw-r--r--
atomic_futex.h	9.28 KB	-rw-r--r--
atomic_lockfree_defines.h	2.3 KB	-rw-r--r--
basic_ios.h	15.7 KB	-rw-r--r--
basic_ios.tcc	5.94 KB	-rw-r--r--
basic_string.h	241.28 KB	-rw-r--r--
basic_string.tcc	52.63 KB	-rw-r--r--
boost_concept_check.h	26.52 KB	-rw-r--r--
c++0x_warning.h	1.44 KB	-rw-r--r--
char_traits.h	24.25 KB	-rw-r--r--
codecvt.h	24.83 KB	-rw-r--r--
concept_check.h	3.34 KB	-rw-r--r--
cpp_type_traits.h	9.71 KB	-rw-r--r--
cxxabi_forced.h	1.77 KB	-rw-r--r--
cxxabi_init_exception.h	2.17 KB	-rw-r--r--
deque.tcc	33.6 KB	-rw-r--r--
enable_special_members.h	12.1 KB	-rw-r--r--
erase_if.h	1.99 KB	-rw-r--r--
exception.h	2.43 KB	-rw-r--r--
exception_defines.h	1.61 KB	-rw-r--r--
exception_ptr.h	5.84 KB	-rw-r--r--
forward_list.h	48.25 KB	-rw-r--r--
forward_list.tcc	13.55 KB	-rw-r--r--
fs_dir.h	14.81 KB	-rw-r--r--
fs_fwd.h	11.41 KB	-rw-r--r--
fs_ops.h	9.5 KB	-rw-r--r--
fs_path.h	36.09 KB	-rw-r--r--
fstream.tcc	32.87 KB	-rw-r--r--
functexcept.h	3.35 KB	-rw-r--r--
functional_hash.h	8.37 KB	-rw-r--r--
gslice.h	5.39 KB	-rw-r--r--
gslice_array.h	7.67 KB	-rw-r--r--
hash_bytes.h	2.1 KB	-rw-r--r--
hashtable.h	73.06 KB	-rw-r--r--
hashtable_policy.h	66.51 KB	-rw-r--r--
indirect_array.h	7.68 KB	-rw-r--r--
invoke.h	3.57 KB	-rw-r--r--
ios_base.h	30.7 KB	-rw-r--r--
istream.tcc	30.36 KB	-rw-r--r--
list.tcc	16.57 KB	-rw-r--r--
locale_classes.h	24.32 KB	-rw-r--r--
locale_classes.tcc	8.18 KB	-rw-r--r--
locale_conv.h	18.36 KB	-rw-r--r--
locale_facets.h	90.17 KB	-rw-r--r--
locale_facets.tcc	38.62 KB	-rw-r--r--
locale_facets_nonio.h	67.38 KB	-rw-r--r--
locale_facets_nonio.tcc	44.22 KB	-rw-r--r--
localefwd.h	5.8 KB	-rw-r--r--
mask_array.h	7.5 KB	-rw-r--r--
memoryfwd.h	2.4 KB	-rw-r--r--
move.h	6.38 KB	-rw-r--r--
nested_exception.h	4.69 KB	-rw-r--r--
node_handle.h	8.02 KB	-rw-r--r--
ostream.tcc	12.03 KB	-rw-r--r--
ostream_insert.h	3.91 KB	-rw-r--r--
parse_numbers.h	7.76 KB	-rw-r--r--
postypes.h	8.27 KB	-rw-r--r--
predefined_ops.h	8.87 KB	-rw-r--r--
ptr_traits.h	6.57 KB	-rw-r--r--
quoted_string.h	4.93 KB	-rw-r--r--
random.h	173.87 KB	-rw-r--r--
random.tcc	103.14 KB	-rw-r--r--
range_access.h	9.85 KB	-rw-r--r--
refwrap.h	12.62 KB	-rw-r--r--
regex.h	96.39 KB	-rw-r--r--
regex.tcc	16.19 KB	-rw-r--r--
regex_automaton.h	10.49 KB	-rw-r--r--
regex_automaton.tcc	7.54 KB	-rw-r--r--
regex_compiler.h	16.1 KB	-rw-r--r--
regex_compiler.tcc	18.49 KB	-rw-r--r--
regex_constants.h	14.36 KB	-rw-r--r--
regex_error.h	4.79 KB	-rw-r--r--
regex_executor.h	7.31 KB	-rw-r--r--
regex_executor.tcc	18.4 KB	-rw-r--r--
regex_scanner.h	6.92 KB	-rw-r--r--
regex_scanner.tcc	14.66 KB	-rw-r--r--
shared_ptr.h	23.65 KB	-rw-r--r--
shared_ptr_atomic.h	9.55 KB	-rw-r--r--
shared_ptr_base.h	52.51 KB	-rw-r--r--
slice_array.h	9.21 KB	-rw-r--r--
specfun.h	45.95 KB	-rw-r--r--
sstream.tcc	9.9 KB	-rw-r--r--
std_abs.h	3.3 KB	-rw-r--r--
std_function.h	23.01 KB	-rw-r--r--
std_mutex.h	4.66 KB	-rw-r--r--
stl_algo.h	210.37 KB	-rw-r--r--
stl_algobase.h	50.21 KB	-rw-r--r--
stl_bvector.h	33.09 KB	-rw-r--r--
stl_construct.h	7.22 KB	-rw-r--r--
stl_deque.h	78.24 KB	-rw-r--r--
stl_function.h	41.3 KB	-rw-r--r--
stl_heap.h	19.73 KB	-rw-r--r--
stl_iterator.h	41.75 KB	-rw-r--r--
stl_iterator_base_funcs.h	7.99 KB	-rw-r--r--
stl_iterator_base_types.h	8.48 KB	-rw-r--r--
stl_list.h	66.22 KB	-rw-r--r--
stl_map.h	52.24 KB	-rw-r--r--
stl_multimap.h	41.25 KB	-rw-r--r--
stl_multiset.h	35.63 KB	-rw-r--r--
stl_numeric.h	14.04 KB	-rw-r--r--
stl_pair.h	18.21 KB	-rw-r--r--
stl_queue.h	24 KB	-rw-r--r--
stl_raw_storage_iter.h	3.74 KB	-rw-r--r--
stl_relops.h	4.49 KB	-rw-r--r--
stl_set.h	35.93 KB	-rw-r--r--
stl_stack.h	11.94 KB	-rw-r--r--
stl_tempbuf.h	8.09 KB	-rw-r--r--
stl_tree.h	73.26 KB	-rw-r--r--
stl_uninitialized.h	30.72 KB	-rw-r--r--
stl_vector.h	63.45 KB	-rw-r--r--
stream_iterator.h	6.71 KB	-rw-r--r--
streambuf.tcc	4.81 KB	-rw-r--r--
streambuf_iterator.h	13.56 KB	-rw-r--r--
string_view.tcc	6.54 KB	-rw-r--r--
stringfwd.h	2.63 KB	-rw-r--r--
uniform_int_dist.h	10.01 KB	-rw-r--r--
unique_lock.h	5.96 KB	-rw-r--r--
unique_ptr.h	26.92 KB	-rw-r--r--
unordered_map.h	75.08 KB	-rw-r--r--
unordered_set.h	59.25 KB	-rw-r--r--
uses_allocator.h	6.66 KB	-rw-r--r--
valarray_after.h	22.3 KB	-rw-r--r--
valarray_array.h	20.8 KB	-rw-r--r--
valarray_array.tcc	7.08 KB	-rw-r--r--
valarray_before.h	18.69 KB	-rw-r--r--
vector.tcc	30.15 KB	-rw-r--r--

Code Editor : fs_fwd.h

// Filesystem declarations -*- C++ -*-

// Copyright (C) 2014-2019 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 include/bits/fs_fwd.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{filesystem}
 */

#ifndef _GLIBCXX_FS_FWD_H
#define _GLIBCXX_FS_FWD_H 1

#if __cplusplus >= 201703L

#include <system_error>
#include <cstdint>
#include <chrono>

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

namespace filesystem
{
#if _GLIBCXX_USE_CXX11_ABI
inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
#endif

/**
   * @defgroup filesystem Filesystem
   *
   * Utilities for performing operations on file systems and their components,
   * such as paths, regular files, and directories.
   *
   * @{
   */

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,
  };

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 perm_options : unsigned {
      replace	= 0x1,
      add	= 0x2,
      remove	= 0x4,
      nofollow	= 0x8
  };

constexpr perm_options
  operator&(perm_options __x, perm_options __y) noexcept
  {
    using __utype = typename std::underlying_type<perm_options>::type;
    return static_cast<perm_options>(
	static_cast<__utype>(__x) & static_cast<__utype>(__y));
  }

constexpr perm_options
  operator|(perm_options __x, perm_options __y) noexcept
  {
    using __utype = typename std::underlying_type<perm_options>::type;
    return static_cast<perm_options>(
	static_cast<__utype>(__x) | static_cast<__utype>(__y));
  }

constexpr perm_options
  operator^(perm_options __x, perm_options __y) noexcept
  {
    using __utype = typename std::underlying_type<perm_options>::type;
    return static_cast<perm_options>(
	static_cast<__utype>(__x) ^ static_cast<__utype>(__y));
  }

constexpr perm_options
  operator~(perm_options __x) noexcept
  {
    using __utype = typename std::underlying_type<perm_options>::type;
    return static_cast<perm_options>(~static_cast<__utype>(__x));
  }

inline perm_options&
  operator&=(perm_options& __x, perm_options __y) noexcept
  { return __x = __x & __y; }

inline perm_options&
  operator|=(perm_options& __x, perm_options __y) noexcept
  { return __x = __x | __y; }

inline perm_options&
  operator^=(perm_options& __x, perm_options __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; }

struct __file_clock
  {
    using duration                  = chrono::nanoseconds;
    using rep                       = duration::rep;
    using period                    = duration::period;
    using time_point                = chrono::time_point<__file_clock>;
    static constexpr bool is_steady = false;

static time_point
    now() noexcept
    { return _S_from_sys(chrono::system_clock::now()); }

private:
    using __sys_clock = chrono::system_clock;

// This clock's (unspecified) epoch is 2174-01-01 00:00:00 UTC.
    // A signed 64-bit duration with nanosecond resolution gives roughly
    // +/- 292 years, which covers the 1901-2446 date range for ext4.
    static constexpr chrono::seconds _S_epoch_diff{6437664000};

protected:
    // For internal use only
    template<typename _Dur>
      static
      chrono::time_point<__file_clock, _Dur>
      _S_from_sys(const chrono::time_point<__sys_clock, _Dur>& __t) noexcept
      {
	using __file_time = chrono::time_point<__file_clock, _Dur>;
	return __file_time{__t.time_since_epoch()} - _S_epoch_diff;
      }

// For internal use only
    template<typename _Dur>
      static
      chrono::time_point<__sys_clock, _Dur>
      _S_to_sys(const chrono::time_point<__file_clock, _Dur>& __t) noexcept
      {
	using __sys_time = chrono::time_point<__sys_clock, _Dur>;
	return __sys_time{__t.time_since_epoch()} + _S_epoch_diff;
      }
  };

using file_time_type = __file_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&);

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&);

path current_path();

bool exists(file_status) noexcept;

bool is_other(file_status) noexcept;

uintmax_t file_size(const path&);
  uintmax_t file_size(const path&, error_code&) noexcept;
  uintmax_t hard_link_count(const path&);
  uintmax_t hard_link_count(const path&, error_code&) noexcept;
  file_time_type last_write_time(const path&);
  file_time_type last_write_time(const path&, error_code&) noexcept;

void permissions(const path&, perms, perm_options, error_code&) noexcept;

path proximate(const path& __p, const path& __base, error_code& __ec);
  path proximate(const path& __p, const path& __base, error_code& __ec);

path relative(const path& __p, const path& __base, error_code& __ec);

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
} // namespace filesystem

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif // C++17

#endif // _GLIBCXX_FS_FWD_H

${this.title}

Code Editor : fs_fwd.h