modernc.org/cc@v1.0.1/v2/headers/linux_arm/usr/include/arm-linux-gnueabihf/sys/stat.h (about) 1 /* Copyright (C) 1991-2016 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <http://www.gnu.org/licenses/>. */ 17 18 /* 19 * POSIX Standard: 5.6 File Characteristics <sys/stat.h> 20 */ 21 22 #ifndef _SYS_STAT_H 23 #define _SYS_STAT_H 1 24 25 #include <features.h> 26 27 #include <bits/types.h> /* For __mode_t and __dev_t. */ 28 29 #if defined __USE_XOPEN || defined __USE_XOPEN2K || defined __USE_ATFILE 30 #if defined __USE_XOPEN || defined __USE_XOPEN2K 31 #define __need_time_t 32 #endif 33 #ifdef __USE_ATFILE 34 #define __need_timespec 35 #endif 36 #include <time.h> /* For time_t resp. timespec. */ 37 #endif 38 39 #if defined __USE_XOPEN || defined __USE_XOPEN2K 40 /* The Single Unix specification says that some more types are 41 available here. */ 42 #ifndef __dev_t_defined 43 typedef __dev_t dev_t; 44 #define __dev_t_defined 45 #endif 46 47 #ifndef __gid_t_defined 48 typedef __gid_t gid_t; 49 #define __gid_t_defined 50 #endif 51 52 #ifndef __ino_t_defined 53 #ifndef __USE_FILE_OFFSET64 54 typedef __ino_t ino_t; 55 #else 56 typedef __ino64_t ino_t; 57 #endif 58 #define __ino_t_defined 59 #endif 60 61 #ifndef __mode_t_defined 62 typedef __mode_t mode_t; 63 #define __mode_t_defined 64 #endif 65 66 #ifndef __nlink_t_defined 67 typedef __nlink_t nlink_t; 68 #define __nlink_t_defined 69 #endif 70 71 #ifndef __off_t_defined 72 #ifndef __USE_FILE_OFFSET64 73 typedef __off_t off_t; 74 #else 75 typedef __off64_t off_t; 76 #endif 77 #define __off_t_defined 78 #endif 79 80 #ifndef __uid_t_defined 81 typedef __uid_t uid_t; 82 #define __uid_t_defined 83 #endif 84 #endif /* X/Open */ 85 86 #ifdef __USE_UNIX98 87 #ifndef __blkcnt_t_defined 88 #ifndef __USE_FILE_OFFSET64 89 typedef __blkcnt_t blkcnt_t; 90 #else 91 typedef __blkcnt64_t blkcnt_t; 92 #endif 93 #define __blkcnt_t_defined 94 #endif 95 96 #ifndef __blksize_t_defined 97 typedef __blksize_t blksize_t; 98 #define __blksize_t_defined 99 #endif 100 #endif /* Unix98 */ 101 102 __BEGIN_DECLS 103 #include <bits/stat.h> 104 #if defined __USE_MISC || defined __USE_XOPEN 105 #define S_IFMT __S_IFMT 106 #define S_IFDIR __S_IFDIR 107 #define S_IFCHR __S_IFCHR 108 #define S_IFBLK __S_IFBLK 109 #define S_IFREG __S_IFREG 110 #ifdef __S_IFIFO 111 #define S_IFIFO __S_IFIFO 112 #endif 113 #ifdef __S_IFLNK 114 #define S_IFLNK __S_IFLNK 115 #endif 116 #if (defined __USE_MISC || defined __USE_XOPEN_EXTENDED) \ 117 && defined __S_IFSOCK 118 #define S_IFSOCK __S_IFSOCK 119 #endif 120 #endif 121 /* Test macros for file types. */ 122 #define __S_ISTYPE(mode, mask) (((mode) & __S_IFMT) == (mask)) 123 #define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR) 124 #define S_ISCHR(mode) __S_ISTYPE((mode), __S_IFCHR) 125 #define S_ISBLK(mode) __S_ISTYPE((mode), __S_IFBLK) 126 #define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG) 127 #ifdef __S_IFIFO 128 #define S_ISFIFO(mode) __S_ISTYPE((mode), __S_IFIFO) 129 #endif 130 #ifdef __S_IFLNK 131 #define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK) 132 #endif 133 #if defined __USE_MISC && !defined __S_IFLNK 134 #define S_ISLNK(mode) 0 135 #endif 136 #if (defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K) \ 137 && defined __S_IFSOCK 138 #define S_ISSOCK(mode) __S_ISTYPE((mode), __S_IFSOCK) 139 #elif defined __USE_XOPEN2K 140 #define S_ISSOCK(mode) 0 141 #endif 142 /* These are from POSIX.1b. If the objects are not implemented using separate 143 distinct file types, the macros always will evaluate to zero. Unlike the 144 other S_* macros the following three take a pointer to a `struct stat' 145 object as the argument. */ 146 #ifdef __USE_POSIX199309 147 #define S_TYPEISMQ(buf) __S_TYPEISMQ(buf) 148 #define S_TYPEISSEM(buf) __S_TYPEISSEM(buf) 149 #define S_TYPEISSHM(buf) __S_TYPEISSHM(buf) 150 #endif 151 /* Protection bits. */ 152 #define S_ISUID __S_ISUID /* Set user ID on execution. */ 153 #define S_ISGID __S_ISGID /* Set group ID on execution. */ 154 #if defined __USE_MISC || defined __USE_XOPEN 155 /* Save swapped text after use (sticky bit). This is pretty well obsolete. */ 156 #define S_ISVTX __S_ISVTX 157 #endif 158 #define S_IRUSR __S_IREAD /* Read by owner. */ 159 #define S_IWUSR __S_IWRITE /* Write by owner. */ 160 #define S_IXUSR __S_IEXEC /* Execute by owner. */ 161 /* Read, write, and execute by owner. */ 162 #define S_IRWXU (__S_IREAD|__S_IWRITE|__S_IEXEC) 163 #ifdef __USE_MISC 164 #define S_IREAD S_IRUSR 165 #define S_IWRITE S_IWUSR 166 #define S_IEXEC S_IXUSR 167 #endif 168 #define S_IRGRP (S_IRUSR >> 3) /* Read by group. */ 169 #define S_IWGRP (S_IWUSR >> 3) /* Write by group. */ 170 #define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */ 171 /* Read, write, and execute by group. */ 172 #define S_IRWXG (S_IRWXU >> 3) 173 #define S_IROTH (S_IRGRP >> 3) /* Read by others. */ 174 #define S_IWOTH (S_IWGRP >> 3) /* Write by others. */ 175 #define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */ 176 /* Read, write, and execute by others. */ 177 #define S_IRWXO (S_IRWXG >> 3) 178 #ifdef __USE_MISC 179 /* Macros for common mode bit masks. */ 180 #define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ 181 #define ALLPERMS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO) /* 07777 */ 182 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) /* 0666 */ 183 #define S_BLKSIZE 512 /* Block size for `st_blocks'. */ 184 #endif 185 #ifndef __USE_FILE_OFFSET64 186 /* Get file attributes for FILE and put them in BUF. */ 187 extern int stat(const char *__restrict __file, struct stat *__restrict __buf) 188 __THROW __nonnull((1, 2)); 189 190 /* Get file attributes for the file, device, pipe, or socket 191 that file descriptor FD is open on and put them in BUF. */ 192 extern int fstat(int __fd, struct stat *__buf) 193 __THROW __nonnull((2)); 194 #else 195 #ifdef __REDIRECT_NTH 196 extern int __REDIRECT_NTH(stat, (const char *__restrict __file, struct stat * __restrict __buf), stat64) __nonnull((1, 2)); 197 extern int __REDIRECT_NTH(fstat, (int __fd, struct stat * __buf), fstat64) __nonnull((2)); 198 #else 199 #define stat stat64 200 #define fstat fstat64 201 #endif 202 #endif 203 #ifdef __USE_LARGEFILE64 204 extern int stat64(const char *__restrict __file, struct stat64 *__restrict __buf) 205 __THROW __nonnull((1, 2)); 206 extern int fstat64(int __fd, struct stat64 *__buf) 207 __THROW __nonnull((2)); 208 #endif 209 210 #ifdef __USE_ATFILE 211 /* Similar to stat, get the attributes for FILE and put them in BUF. 212 Relative path names are interpreted relative to FD unless FD is 213 AT_FDCWD. */ 214 #ifndef __USE_FILE_OFFSET64 215 extern int fstatat(int __fd, const char *__restrict __file, struct stat *__restrict __buf, int __flag) 216 __THROW __nonnull((2, 3)); 217 #else 218 #ifdef __REDIRECT_NTH 219 extern int __REDIRECT_NTH(fstatat, (int __fd, const char *__restrict __file, struct stat * __restrict __buf, int __flag), fstatat64) __nonnull((2, 3)); 220 #else 221 #define fstatat fstatat64 222 #endif 223 #endif 224 225 #ifdef __USE_LARGEFILE64 226 extern int fstatat64(int __fd, const char *__restrict __file, struct stat64 *__restrict __buf, int __flag) 227 __THROW __nonnull((2, 3)); 228 #endif 229 #endif 230 231 #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K 232 #ifndef __USE_FILE_OFFSET64 233 /* Get file attributes about FILE and put them in BUF. 234 If FILE is a symbolic link, do not follow it. */ 235 extern int lstat(const char *__restrict __file, struct stat *__restrict __buf) 236 __THROW __nonnull((1, 2)); 237 #else 238 #ifdef __REDIRECT_NTH 239 extern int __REDIRECT_NTH(lstat, (const char *__restrict __file, struct stat * __restrict __buf), lstat64) __nonnull((1, 2)); 240 #else 241 #define lstat lstat64 242 #endif 243 #endif 244 #ifdef __USE_LARGEFILE64 245 extern int lstat64(const char *__restrict __file, struct stat64 *__restrict __buf) 246 __THROW __nonnull((1, 2)); 247 #endif 248 #endif 249 250 /* Set file access permissions for FILE to MODE. 251 If FILE is a symbolic link, this affects its target instead. */ 252 extern int chmod(const char *__file, __mode_t __mode) 253 __THROW __nonnull((1)); 254 255 #ifdef __USE_MISC 256 /* Set file access permissions for FILE to MODE. 257 If FILE is a symbolic link, this affects the link itself 258 rather than its target. */ 259 extern int lchmod(const char *__file, __mode_t __mode) 260 __THROW __nonnull((1)); 261 #endif 262 263 /* Set file access permissions of the file FD is open on to MODE. */ 264 #if defined __USE_POSIX199309 || defined __USE_XOPEN_EXTENDED 265 extern int fchmod(int __fd, __mode_t __mode) __THROW; 266 #endif 267 268 #ifdef __USE_ATFILE 269 /* Set file access permissions of FILE relative to 270 the directory FD is open on. */ 271 extern int fchmodat(int __fd, const char *__file, __mode_t __mode, int __flag) 272 __THROW __nonnull((2)) __wur; 273 #endif /* Use ATFILE. */ 274 275 /* Set the file creation mask of the current process to MASK, 276 and return the old creation mask. */ 277 extern __mode_t umask(__mode_t __mask) __THROW; 278 279 #ifdef __USE_GNU 280 /* Get the current `umask' value without changing it. 281 This function is only available under the GNU Hurd. */ 282 extern __mode_t getumask(void) __THROW; 283 #endif 284 285 /* Create a new directory named PATH, with permission bits MODE. */ 286 extern int mkdir(const char *__path, __mode_t __mode) 287 __THROW __nonnull((1)); 288 289 #ifdef __USE_ATFILE 290 /* Like mkdir, create a new directory with permission bits MODE. But 291 interpret relative PATH names relative to the directory associated 292 with FD. */ 293 extern int mkdirat(int __fd, const char *__path, __mode_t __mode) 294 __THROW __nonnull((2)); 295 #endif 296 297 /* Create a device file named PATH, with permission and special bits MODE 298 and device number DEV (which can be constructed from major and minor 299 device numbers with the `makedev' macro above). */ 300 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED 301 extern int mknod(const char *__path, __mode_t __mode, __dev_t __dev) 302 __THROW __nonnull((1)); 303 304 #ifdef __USE_ATFILE 305 /* Like mknod, create a new device file with permission bits MODE and 306 device number DEV. But interpret relative PATH names relative to 307 the directory associated with FD. */ 308 extern int mknodat(int __fd, const char *__path, __mode_t __mode, __dev_t __dev) 309 __THROW __nonnull((2)); 310 #endif 311 #endif 312 313 /* Create a new FIFO named PATH, with permission bits MODE. */ 314 extern int mkfifo(const char *__path, __mode_t __mode) 315 __THROW __nonnull((1)); 316 317 #ifdef __USE_ATFILE 318 /* Like mkfifo, create a new FIFO with permission bits MODE. But 319 interpret relative PATH names relative to the directory associated 320 with FD. */ 321 extern int mkfifoat(int __fd, const char *__path, __mode_t __mode) 322 __THROW __nonnull((2)); 323 #endif 324 325 #ifdef __USE_ATFILE 326 /* Set file access and modification times relative to directory file 327 descriptor. */ 328 extern int utimensat(int __fd, const char *__path, const struct timespec __times[2], int __flags) 329 __THROW __nonnull((2)); 330 #endif 331 332 #ifdef __USE_XOPEN2K8 333 /* Set file access and modification times of the file associated with FD. */ 334 extern int futimens(int __fd, const struct timespec __times[2]) __THROW; 335 #endif 336 337 /* To allow the `struct stat' structure and the file type `mode_t' 338 bits to vary without changing shared library major version number, 339 the `stat' family of functions and `mknod' are in fact inline 340 wrappers around calls to `xstat', `fxstat', `lxstat', and `xmknod', 341 which all take a leading version-number argument designating the 342 data structure and bits used. <bits/stat.h> defines _STAT_VER with 343 the version number corresponding to `struct stat' as defined in 344 that file; and _MKNOD_VER with the version number corresponding to 345 the S_IF* macros defined therein. It is arranged that when not 346 inlined these function are always statically linked; that way a 347 dynamically-linked executable always encodes the version number 348 corresponding to the data structures it uses, so the `x' functions 349 in the shared library can adapt without needing to recompile all 350 callers. */ 351 352 #ifndef _STAT_VER 353 #define _STAT_VER 0 354 #endif 355 #ifndef _MKNOD_VER 356 #define _MKNOD_VER 0 357 #endif 358 359 /* Wrappers for stat and mknod system calls. */ 360 #ifndef __USE_FILE_OFFSET64 361 extern int __fxstat(int __ver, int __fildes, struct stat *__stat_buf) 362 __THROW __nonnull((3)); 363 extern int __xstat(int __ver, const char *__filename, struct stat *__stat_buf) 364 __THROW __nonnull((2, 3)); 365 extern int __lxstat(int __ver, const char *__filename, struct stat *__stat_buf) 366 __THROW __nonnull((2, 3)); 367 extern int __fxstatat(int __ver, int __fildes, const char *__filename, struct stat *__stat_buf, int __flag) 368 __THROW __nonnull((3, 4)); 369 #else 370 #ifdef __REDIRECT_NTH 371 extern int __REDIRECT_NTH(__fxstat, (int __ver, int __fildes, struct stat * __stat_buf), __fxstat64) __nonnull((3)); 372 extern int __REDIRECT_NTH(__xstat, (int __ver, const char *__filename, struct stat * __stat_buf), __xstat64) __nonnull((2, 3)); 373 extern int __REDIRECT_NTH(__lxstat, (int __ver, const char *__filename, struct stat * __stat_buf), __lxstat64) __nonnull((2, 3)); 374 extern int __REDIRECT_NTH(__fxstatat, (int __ver, int __fildes, const char *__filename, struct stat * __stat_buf, int __flag), __fxstatat64) __nonnull((3, 4)); 375 376 #else 377 #define __fxstat __fxstat64 378 #define __xstat __xstat64 379 #define __lxstat __lxstat64 380 #endif 381 #endif 382 383 #ifdef __USE_LARGEFILE64 384 extern int __fxstat64(int __ver, int __fildes, struct stat64 *__stat_buf) 385 __THROW __nonnull((3)); 386 extern int __xstat64(int __ver, const char *__filename, struct stat64 *__stat_buf) 387 __THROW __nonnull((2, 3)); 388 extern int __lxstat64(int __ver, const char *__filename, struct stat64 *__stat_buf) 389 __THROW __nonnull((2, 3)); 390 extern int __fxstatat64(int __ver, int __fildes, const char *__filename, struct stat64 *__stat_buf, int __flag) 391 __THROW __nonnull((3, 4)); 392 #endif 393 extern int __xmknod(int __ver, const char *__path, __mode_t __mode, __dev_t * __dev) 394 __THROW __nonnull((2, 4)); 395 396 extern int __xmknodat(int __ver, int __fd, const char *__path, __mode_t __mode, __dev_t * __dev) 397 __THROW __nonnull((3, 5)); 398 399 #ifdef __USE_EXTERN_INLINES 400 /* Inlined versions of the real stat and mknod functions. */ 401 402 __extern_inline int __NTH(stat(const char *__path, struct stat *__statbuf)) 403 { 404 return __xstat(_STAT_VER, __path, __statbuf); 405 } 406 407 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED 408 __extern_inline int __NTH(lstat(const char *__path, struct stat *__statbuf)) 409 { 410 return __lxstat(_STAT_VER, __path, __statbuf); 411 } 412 #endif 413 414 __extern_inline int __NTH(fstat(int __fd, struct stat *__statbuf)) 415 { 416 return __fxstat(_STAT_VER, __fd, __statbuf); 417 } 418 419 #ifdef __USE_ATFILE 420 __extern_inline int __NTH(fstatat(int __fd, const char *__filename, struct stat *__statbuf, int __flag)) 421 { 422 return __fxstatat(_STAT_VER, __fd, __filename, __statbuf, __flag); 423 } 424 #endif 425 426 #ifdef __USE_MISC 427 __extern_inline int __NTH(mknod(const char *__path, __mode_t __mode, __dev_t __dev)) 428 { 429 return __xmknod(_MKNOD_VER, __path, __mode, &__dev); 430 } 431 #endif 432 433 #ifdef __USE_ATFILE 434 __extern_inline int __NTH(mknodat(int __fd, const char *__path, __mode_t __mode, __dev_t __dev)) 435 { 436 return __xmknodat(_MKNOD_VER, __fd, __path, __mode, &__dev); 437 } 438 #endif 439 440 #if defined __USE_LARGEFILE64 \ 441 && (! defined __USE_FILE_OFFSET64 \ 442 || (defined __REDIRECT_NTH && defined __OPTIMIZE__)) 443 __extern_inline int __NTH(stat64(const char *__path, struct stat64 *__statbuf)) 444 { 445 return __xstat64(_STAT_VER, __path, __statbuf); 446 } 447 448 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED 449 __extern_inline int __NTH(lstat64(const char *__path, struct stat64 *__statbuf)) 450 { 451 return __lxstat64(_STAT_VER, __path, __statbuf); 452 } 453 #endif 454 455 __extern_inline int __NTH(fstat64(int __fd, struct stat64 *__statbuf)) 456 { 457 return __fxstat64(_STAT_VER, __fd, __statbuf); 458 } 459 460 #ifdef __USE_ATFILE 461 __extern_inline int __NTH(fstatat64(int __fd, const char *__filename, struct stat64 *__statbuf, int __flag)) 462 { 463 return __fxstatat64(_STAT_VER, __fd, __filename, __statbuf, __flag); 464 } 465 #endif 466 467 #endif 468 469 #endif 470 471 __END_DECLS 472 #endif /* sys/stat.h */