1 // Filesystem operational functions -*- C++ -*- 2 3 // Copyright (C) 2014-2020 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your __option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file experimental/bits/fs_ops.h 26 * This is an internal header file, included by other library headers. 27 * Do not attempt to use it directly. @headername{experimental/filesystem} 28 */ 29 30 #ifndef _GLIBCXX_EXPERIMENTAL_FS_OPS_H 31 #define _GLIBCXX_EXPERIMENTAL_FS_OPS_H 1 32 33 #if __cplusplus < 201103L 34 # include <bits/c++0x_warning.h> 35 #else 36 37 #include <cstdint> 38 39 namespace std _GLIBCXX_VISIBILITY(default) 40 { 41 _GLIBCXX_BEGIN_NAMESPACE_VERSION 42 43 namespace experimental 44 { 45 namespace filesystem 46 { 47 inline namespace v1 48 { 49 /** 50 * @addtogroup filesystem-ts 51 * @{ 52 */ 53 54 path absolute(const path& __p, const path& __base = current_path()); 55 56 path canonical(const path& __p, const path& __base = current_path()); 57 path canonical(const path& __p, error_code& __ec); 58 path canonical(const path& __p, const path& __base, error_code& __ec); 59 60 inline void 61 copy(const path& __from, const path& __to) 62 { copy(__from, __to, copy_options::none); } 63 64 inline void 65 copy(const path& __from, const path& __to, error_code& __ec) noexcept 66 { copy(__from, __to, copy_options::none, __ec); } 67 68 void copy(const path& __from, const path& __to, copy_options __options); 69 void copy(const path& __from, const path& __to, copy_options __options, 70 error_code& __ec) noexcept; 71 72 inline bool 73 copy_file(const path& __from, const path& __to) 74 { return copy_file(__from, __to, copy_options::none); } 75 76 inline bool 77 copy_file(const path& __from, const path& __to, error_code& __ec) 78 { return copy_file(__from, __to, copy_options::none, __ec); } 79 80 bool copy_file(const path& __from, const path& __to, copy_options __option); 81 bool copy_file(const path& __from, const path& __to, copy_options __option, 82 error_code& __ec); 83 84 void copy_symlink(const path& __existing_symlink, const path& __new_symlink); 85 void copy_symlink(const path& __existing_symlink, const path& __new_symlink, 86 error_code& __ec) noexcept; 87 88 bool create_directories(const path& __p); 89 bool create_directories(const path& __p, error_code& __ec); 90 91 bool create_directory(const path& __p); 92 bool create_directory(const path& __p, error_code& __ec) noexcept; 93 94 bool create_directory(const path& __p, const path& attributes); 95 bool create_directory(const path& __p, const path& attributes, 96 error_code& __ec) noexcept; 97 98 void create_directory_symlink(const path& __to, const path& __new_symlink); 99 void create_directory_symlink(const path& __to, const path& __new_symlink, 100 error_code& __ec) noexcept; 101 102 void create_hard_link(const path& __to, const path& __new_hard_link); 103 void create_hard_link(const path& __to, const path& __new_hard_link, 104 error_code& __ec) noexcept; 105 106 void create_symlink(const path& __to, const path& __new_symlink); 107 void create_symlink(const path& __to, const path& __new_symlink, 108 error_code& __ec) noexcept; 109 110 path current_path(); 111 path current_path(error_code& __ec); 112 void current_path(const path& __p); 113 void current_path(const path& __p, error_code& __ec) noexcept; 114 115 bool 116 equivalent(const path& __p1, const path& __p2); 117 118 bool 119 equivalent(const path& __p1, const path& __p2, error_code& __ec) noexcept; 120 121 inline bool 122 exists(file_status __s) noexcept 123 { return status_known(__s) && __s.type() != file_type::not_found; } 124 125 inline bool 126 exists(const path& __p) 127 { return exists(status(__p)); } 128 129 inline bool 130 exists(const path& __p, error_code& __ec) noexcept 131 { 132 auto __s = status(__p, __ec); 133 if (status_known(__s)) 134 { 135 __ec.clear(); 136 return __s.type() != file_type::not_found; 137 } 138 return false; 139 } 140 141 uintmax_t file_size(const path& __p); 142 uintmax_t file_size(const path& __p, error_code& __ec) noexcept; 143 144 uintmax_t hard_link_count(const path& __p); 145 uintmax_t hard_link_count(const path& __p, error_code& __ec) noexcept; 146 147 inline bool 148 is_block_file(file_status __s) noexcept 149 { return __s.type() == file_type::block; } 150 151 inline bool 152 is_block_file(const path& __p) 153 { return is_block_file(status(__p)); } 154 155 inline bool 156 is_block_file(const path& __p, error_code& __ec) noexcept 157 { return is_block_file(status(__p, __ec)); } 158 159 inline bool 160 is_character_file(file_status __s) noexcept 161 { return __s.type() == file_type::character; } 162 163 inline bool 164 is_character_file(const path& __p) 165 { return is_character_file(status(__p)); } 166 167 inline bool 168 is_character_file(const path& __p, error_code& __ec) noexcept 169 { return is_character_file(status(__p, __ec)); } 170 171 inline bool 172 is_directory(file_status __s) noexcept 173 { return __s.type() == file_type::directory; } 174 175 inline bool 176 is_directory(const path& __p) 177 { return is_directory(status(__p)); } 178 179 inline bool 180 is_directory(const path& __p, error_code& __ec) noexcept 181 { return is_directory(status(__p, __ec)); } 182 183 bool is_empty(const path& __p); 184 bool is_empty(const path& __p, error_code& __ec) noexcept; 185 186 inline bool 187 is_fifo(file_status __s) noexcept 188 { return __s.type() == file_type::fifo; } 189 190 inline bool 191 is_fifo(const path& __p) 192 { return is_fifo(status(__p)); } 193 194 inline bool 195 is_fifo(const path& __p, error_code& __ec) noexcept 196 { return is_fifo(status(__p, __ec)); } 197 198 inline bool 199 is_other(file_status __s) noexcept 200 { 201 return exists(__s) && !is_regular_file(__s) && !is_directory(__s) 202 && !is_symlink(__s); 203 } 204 205 inline bool 206 is_other(const path& __p) 207 { return is_other(status(__p)); } 208 209 inline bool 210 is_other(const path& __p, error_code& __ec) noexcept 211 { return is_other(status(__p, __ec)); } 212 213 inline bool 214 is_regular_file(file_status __s) noexcept 215 { return __s.type() == file_type::regular; } 216 217 inline bool 218 is_regular_file(const path& __p) 219 { return is_regular_file(status(__p)); } 220 221 inline bool 222 is_regular_file(const path& __p, error_code& __ec) noexcept 223 { return is_regular_file(status(__p, __ec)); } 224 225 inline bool 226 is_socket(file_status __s) noexcept 227 { return __s.type() == file_type::socket; } 228 229 inline bool 230 is_socket(const path& __p) 231 { return is_socket(status(__p)); } 232 233 inline bool 234 is_socket(const path& __p, error_code& __ec) noexcept 235 { return is_socket(status(__p, __ec)); } 236 237 inline bool 238 is_symlink(file_status __s) noexcept 239 { return __s.type() == file_type::symlink; } 240 241 inline bool 242 is_symlink(const path& __p) 243 { return is_symlink(symlink_status(__p)); } 244 245 inline bool 246 is_symlink(const path& __p, error_code& __ec) noexcept 247 { return is_symlink(symlink_status(__p, __ec)); } 248 249 file_time_type last_write_time(const path& __p); 250 file_time_type last_write_time(const path& __p, error_code& __ec) noexcept; 251 void last_write_time(const path& __p, file_time_type __new_time); 252 void last_write_time(const path& __p, file_time_type __new_time, 253 error_code& __ec) noexcept; 254 255 void permissions(const path& __p, perms __prms); 256 void permissions(const path& __p, perms __prms, error_code& __ec) noexcept; 257 258 path read_symlink(const path& __p); 259 path read_symlink(const path& __p, error_code& __ec); 260 261 bool remove(const path& __p); 262 bool remove(const path& __p, error_code& __ec) noexcept; 263 264 uintmax_t remove_all(const path& __p); 265 uintmax_t remove_all(const path& __p, error_code& __ec); 266 267 void rename(const path& __from, const path& __to); 268 void rename(const path& __from, const path& __to, error_code& __ec) noexcept; 269 270 void resize_file(const path& __p, uintmax_t __size); 271 void resize_file(const path& __p, uintmax_t __size, error_code& __ec) noexcept; 272 273 space_info space(const path& __p); 274 space_info space(const path& __p, error_code& __ec) noexcept; 275 276 file_status status(const path& __p); 277 file_status status(const path& __p, error_code& __ec) noexcept; 278 279 inline bool status_known(file_status __s) noexcept 280 { return __s.type() != file_type::none; } 281 282 file_status symlink_status(const path& __p); 283 file_status symlink_status(const path& __p, error_code& __ec) noexcept; 284 285 path system_complete(const path& __p); 286 path system_complete(const path& __p, error_code& __ec); 287 288 path temp_directory_path(); 289 path temp_directory_path(error_code& __ec); 290 291 /// @} group filesystem-ts 292 } // namespace v1 293 } // namespace filesystem 294 } // namespace experimental 295 296 _GLIBCXX_END_NAMESPACE_VERSION 297 } // namespace std 298 299 #endif // C++11 300 301 #endif // _GLIBCXX_EXPERIMENTAL_FS_OPS_H 302