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Edit File: stat.h

/* Copyright (C) 1991-2022 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ /* * POSIX Standard: 5.6 File Characteristics <sys/stat.h> */ #ifndef _SYS_STAT_H #define _SYS_STAT_H 1 #include <features.h> #include <bits/types.h> /* For __mode_t and __dev_t. */ #ifdef __USE_XOPEN2K8 # include <bits/types/struct_timespec.h> #endif #if defined __USE_XOPEN || defined __USE_XOPEN2K /* The Single Unix specification says that some more types are available here. */ # include <bits/types/time_t.h> # ifndef __dev_t_defined typedef __dev_t dev_t; # define __dev_t_defined # endif # ifndef __gid_t_defined typedef __gid_t gid_t; # define __gid_t_defined # endif # ifndef __ino_t_defined # ifndef __USE_FILE_OFFSET64 typedef __ino_t ino_t; # else typedef __ino64_t ino_t; # endif # define __ino_t_defined # endif # ifndef __mode_t_defined typedef __mode_t mode_t; # define __mode_t_defined # endif # ifndef __nlink_t_defined typedef __nlink_t nlink_t; # define __nlink_t_defined # endif # ifndef __off_t_defined # ifndef __USE_FILE_OFFSET64 typedef __off_t off_t; # else typedef __off64_t off_t; # endif # define __off_t_defined # endif # ifndef __uid_t_defined typedef __uid_t uid_t; # define __uid_t_defined # endif #endif /* X/Open */ #ifdef __USE_UNIX98 # ifndef __blkcnt_t_defined # ifndef __USE_FILE_OFFSET64 typedef __blkcnt_t blkcnt_t; # else typedef __blkcnt64_t blkcnt_t; # endif # define __blkcnt_t_defined # endif # ifndef __blksize_t_defined typedef __blksize_t blksize_t; # define __blksize_t_defined # endif #endif /* Unix98 */ __BEGIN_DECLS #include <bits/stat.h> #if defined __USE_MISC || defined __USE_XOPEN # define S_IFMT __S_IFMT # define S_IFDIR __S_IFDIR # define S_IFCHR __S_IFCHR # define S_IFBLK __S_IFBLK # define S_IFREG __S_IFREG # ifdef __S_IFIFO # define S_IFIFO __S_IFIFO # endif # ifdef __S_IFLNK # define S_IFLNK __S_IFLNK # endif # if (defined __USE_MISC || defined __USE_XOPEN_EXTENDED) \ && defined __S_IFSOCK # define S_IFSOCK __S_IFSOCK # endif #endif /* Test macros for file types. */ #define __S_ISTYPE(mode, mask) (((mode) & __S_IFMT) == (mask)) #define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR) #define S_ISCHR(mode) __S_ISTYPE((mode), __S_IFCHR) #define S_ISBLK(mode) __S_ISTYPE((mode), __S_IFBLK) #define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG) #ifdef __S_IFIFO # define S_ISFIFO(mode) __S_ISTYPE((mode), __S_IFIFO) #endif #ifdef __S_IFLNK # define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK) #endif #if defined __USE_MISC && !defined __S_IFLNK # define S_ISLNK(mode) 0 #endif #if (defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K) \ && defined __S_IFSOCK # define S_ISSOCK(mode) __S_ISTYPE((mode), __S_IFSOCK) #elif defined __USE_XOPEN2K # define S_ISSOCK(mode) 0 #endif /* These are from POSIX.1b. If the objects are not implemented using separate distinct file types, the macros always will evaluate to zero. Unlike the other S_* macros the following three take a pointer to a `struct stat' object as the argument. */ #ifdef __USE_POSIX199309 # define S_TYPEISMQ(buf) __S_TYPEISMQ(buf) # define S_TYPEISSEM(buf) __S_TYPEISSEM(buf) # define S_TYPEISSHM(buf) __S_TYPEISSHM(buf) #endif /* Protection bits. */ #define S_ISUID __S_ISUID /* Set user ID on execution. */ #define S_ISGID __S_ISGID /* Set group ID on execution. */ #if defined __USE_MISC || defined __USE_XOPEN /* Save swapped text after use (sticky bit). This is pretty well obsolete. */ # define S_ISVTX __S_ISVTX #endif #define S_IRUSR __S_IREAD /* Read by owner. */ #define S_IWUSR __S_IWRITE /* Write by owner. */ #define S_IXUSR __S_IEXEC /* Execute by owner. */ /* Read, write, and execute by owner. */ #define S_IRWXU (__S_IREAD|__S_IWRITE|__S_IEXEC) #ifdef __USE_MISC # define S_IREAD S_IRUSR # define S_IWRITE S_IWUSR # define S_IEXEC S_IXUSR #endif #define S_IRGRP (S_IRUSR >> 3) /* Read by group. */ #define S_IWGRP (S_IWUSR >> 3) /* Write by group. */ #define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */ /* Read, write, and execute by group. */ #define S_IRWXG (S_IRWXU >> 3) #define S_IROTH (S_IRGRP >> 3) /* Read by others. */ #define S_IWOTH (S_IWGRP >> 3) /* Write by others. */ #define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */ /* Read, write, and execute by others. */ #define S_IRWXO (S_IRWXG >> 3) #ifdef __USE_MISC /* Macros for common mode bit masks. */ # define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */ # define ALLPERMS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)/* 07777 */ # define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)/* 0666*/ # define S_BLKSIZE 512 /* Block size for `st_blocks'. */ #endif #ifndef __USE_FILE_OFFSET64 /* Get file attributes for FILE and put them in BUF. */ extern int stat (const char *__restrict __file, struct stat *__restrict __buf) __THROW __nonnull ((1, 2)); /* Get file attributes for the file, device, pipe, or socket that file descriptor FD is open on and put them in BUF. */ extern int fstat (int __fd, struct stat *__buf) __THROW __nonnull ((2)); #else # ifdef __USE_TIME_BITS64 # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (stat, (const char *__restrict __file, struct stat *__restrict __buf), __stat64_time64) __nonnull ((1, 2)); extern int __REDIRECT_NTH (fstat, (int __fd, struct stat *__buf), __fstat64_time64) __nonnull ((2)); # else # define stat __stat64_time64 # define fstat __fstat64_time64 # endif # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (stat, (const char *__restrict __file, struct stat *__restrict __buf), stat64) __nonnull ((1, 2)); extern int __REDIRECT_NTH (fstat, (int __fd, struct stat *__buf), fstat64) __nonnull ((2)); # else # define stat stat64 # define fstat fstat64 # endif # endif #endif #ifdef __USE_LARGEFILE64 # ifndef __USE_TIME_BITS64 extern int stat64 (const char *__restrict __file, struct stat64 *__restrict __buf) __THROW __nonnull ((1, 2)); extern int fstat64 (int __fd, struct stat64 *__buf) __THROW __nonnull ((2)); # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (stat64, (const char *__restrict __file, struct stat64 *__restrict __buf), __stat64_time64) __nonnull ((1, 2)); extern int __REDIRECT_NTH (fstat64, (int __fd, struct stat64 *__buf), __fstat64_time64) __nonnull ((2)); # else # define stat64 __stat64_time64 # define fstat64 __fstat64_time # endif # endif #endif #ifdef __USE_ATFILE /* Similar to stat, get the attributes for FILE and put them in BUF. Relative path names are interpreted relative to FD unless FD is AT_FDCWD. */ # ifndef __USE_FILE_OFFSET64 extern int fstatat (int __fd, const char *__restrict __file, struct stat *__restrict __buf, int __flag) __THROW __nonnull ((2, 3)); # else # ifdef __USE_TIME_BITS64 # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (fstatat, (int __fd, const char *__restrict __file, struct stat *__restrict __buf, int __flag), __fstatat64_time64) __nonnull ((2, 3)); # else # define fstatat __fstatat64_time64 # endif # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (fstatat, (int __fd, const char *__restrict __file, struct stat *__restrict __buf, int __flag), fstatat64) __nonnull ((2, 3)); # else # define fstatat fstatat64 # endif # endif # endif # ifdef __USE_LARGEFILE64 # ifndef __USE_TIME_BITS64 extern int fstatat64 (int __fd, const char *__restrict __file, struct stat64 *__restrict __buf, int __flag) __THROW __nonnull ((2, 3)); # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (fstatat64, (int __fd, const char *__restrict __file, struct stat64 *__restrict __buf, int __flag), __fstatat64_time64) __nonnull ((2, 3)); # else # define fstatat64 __fstatat64_time64 # endif # endif # endif #endif #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K # ifndef __USE_FILE_OFFSET64 /* Get file attributes about FILE and put them in BUF. If FILE is a symbolic link, do not follow it. */ extern int lstat (const char *__restrict __file, struct stat *__restrict __buf) __THROW __nonnull ((1, 2)); # else # ifdef __USE_TIME_BITS64 # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (lstat, (const char *__restrict __file, struct stat *__restrict __buf), __lstat64_time64) __nonnull ((1, 2)); # else # define lstat __lstat64_time64 # endif # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (lstat, (const char *__restrict __file, struct stat *__restrict __buf), lstat64) __nonnull ((1, 2)); # else # define lstat lstat64 # endif # endif # endif # ifdef __USE_LARGEFILE64 # ifndef __USE_TIME_BITS64 extern int lstat64 (const char *__restrict __file, struct stat64 *__restrict __buf) __THROW __nonnull ((1, 2)); # else extern int __REDIRECT_NTH (lstat64, (const char *__restrict __file, struct stat64 *__restrict __buf), __lstat64_time64) __nonnull ((1, 2)); # endif # endif #endif /* Set file access permissions for FILE to MODE. If FILE is a symbolic link, this affects its target instead. */ extern int chmod (const char *__file, __mode_t __mode) __THROW __nonnull ((1)); #ifdef __USE_MISC /* Set file access permissions for FILE to MODE. If FILE is a symbolic link, this affects the link itself rather than its target. */ extern int lchmod (const char *__file, __mode_t __mode) __THROW __nonnull ((1)); #endif /* Set file access permissions of the file FD is open on to MODE. */ #if defined __USE_POSIX199309 || defined __USE_XOPEN_EXTENDED extern int fchmod (int __fd, __mode_t __mode) __THROW; #endif #ifdef __USE_ATFILE /* Set file access permissions of FILE relative to the directory FD is open on. */ extern int fchmodat (int __fd, const char *__file, __mode_t __mode, int __flag) __THROW __nonnull ((2)) __wur; #endif /* Use ATFILE. */ /* Set the file creation mask of the current process to MASK, and return the old creation mask. */ extern __mode_t umask (__mode_t __mask) __THROW; #ifdef __USE_GNU /* Get the current `umask' value without changing it. This function is only available under the GNU Hurd. */ extern __mode_t getumask (void) __THROW; #endif /* Create a new directory named PATH, with permission bits MODE. */ extern int mkdir (const char *__path, __mode_t __mode) __THROW __nonnull ((1)); #ifdef __USE_ATFILE /* Like mkdir, create a new directory with permission bits MODE. But interpret relative PATH names relative to the directory associated with FD. */ extern int mkdirat (int __fd, const char *__path, __mode_t __mode) __THROW __nonnull ((2)); #endif /* Create a device file named PATH, with permission and special bits MODE and device number DEV (which can be constructed from major and minor device numbers with the `makedev' macro above). */ #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED extern int mknod (const char *__path, __mode_t __mode, __dev_t __dev) __THROW __nonnull ((1)); # ifdef __USE_ATFILE /* Like mknod, create a new device file with permission bits MODE and device number DEV. But interpret relative PATH names relative to the directory associated with FD. */ extern int mknodat (int __fd, const char *__path, __mode_t __mode, __dev_t __dev) __THROW __nonnull ((2)); # endif #endif /* Create a new FIFO named PATH, with permission bits MODE. */ extern int mkfifo (const char *__path, __mode_t __mode) __THROW __nonnull ((1)); #ifdef __USE_ATFILE /* Like mkfifo, create a new FIFO with permission bits MODE. But interpret relative PATH names relative to the directory associated with FD. */ extern int mkfifoat (int __fd, const char *__path, __mode_t __mode) __THROW __nonnull ((2)); #endif  #ifdef __USE_ATFILE # ifndef __USE_TIME_BITS64 /* Set file access and modification times relative to directory file descriptor. */ extern int utimensat (int __fd, const char *__path, const struct timespec __times[2], int __flags) __THROW __nonnull ((2)); # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (utimensat, (int fd, const char *__path, const struct timespec __times[2], int flags), __utimensat64) __nonnull ((2)); # else # define utimensat __utimensat64 # endif # endif #endif #ifdef __USE_XOPEN2K8 # ifndef __USE_TIME_BITS64 /* Set file access and modification times of the file associated with FD. */ extern int futimens (int __fd, const struct timespec __times[2]) __THROW; # else # ifdef __REDIRECT_NTH extern int __REDIRECT_NTH (futimens, (int fd, const struct timespec __times[2]), __futimens64); # else # define futimens __futimens64 # endif # endif #endif #ifdef __USE_GNU # include <bits/statx.h> #endif __END_DECLS #endif /* sys/stat.h */