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Diffstat (limited to 'REORG.TODO/io/sys/stat.h')
| -rw-r--r-- | REORG.TODO/io/sys/stat.h | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/REORG.TODO/io/sys/stat.h b/REORG.TODO/io/sys/stat.h new file mode 100644 index 0000000000..ac7ef1f572 --- /dev/null +++ b/REORG.TODO/io/sys/stat.h @@ -0,0 +1,533 @@ +/* Copyright (C) 1991-2017 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 + <http://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 __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 +#ifdef __USE_LARGEFILE64 +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)); +#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 __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 + +# ifdef __USE_LARGEFILE64 +extern int fstatat64 (int __fd, const char *__restrict __file, + struct stat64 *__restrict __buf, int __flag) + __THROW __nonnull ((2, 3)); +# 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 __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 +# ifdef __USE_LARGEFILE64 +extern int lstat64 (const char *__restrict __file, + struct stat64 *__restrict __buf) + __THROW __nonnull ((1, 2)); +# 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 +/* 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)); +#endif + +#ifdef __USE_XOPEN2K8 +/* Set file access and modification times of the file associated with FD. */ +extern int futimens (int __fd, const struct timespec __times[2]) __THROW; +#endif + +/* To allow the `struct stat' structure and the file type `mode_t' + bits to vary without changing shared library major version number, + the `stat' family of functions and `mknod' are in fact inline + wrappers around calls to `xstat', `fxstat', `lxstat', and `xmknod', + which all take a leading version-number argument designating the + data structure and bits used. <bits/stat.h> defines _STAT_VER with + the version number corresponding to `struct stat' as defined in + that file; and _MKNOD_VER with the version number corresponding to + the S_IF* macros defined therein. It is arranged that when not + inlined these function are always statically linked; that way a + dynamically-linked executable always encodes the version number + corresponding to the data structures it uses, so the `x' functions + in the shared library can adapt without needing to recompile all + callers. */ + +#ifndef _STAT_VER +# define _STAT_VER 0 +#endif +#ifndef _MKNOD_VER +# define _MKNOD_VER 0 +#endif + +/* Wrappers for stat and mknod system calls. */ +#ifndef __USE_FILE_OFFSET64 +extern int __fxstat (int __ver, int __fildes, struct stat *__stat_buf) + __THROW __nonnull ((3)); +extern int __xstat (int __ver, const char *__filename, + struct stat *__stat_buf) __THROW __nonnull ((2, 3)); +extern int __lxstat (int __ver, const char *__filename, + struct stat *__stat_buf) __THROW __nonnull ((2, 3)); +extern int __fxstatat (int __ver, int __fildes, const char *__filename, + struct stat *__stat_buf, int __flag) + __THROW __nonnull ((3, 4)); +#else +# ifdef __REDIRECT_NTH +extern int __REDIRECT_NTH (__fxstat, (int __ver, int __fildes, + struct stat *__stat_buf), __fxstat64) + __nonnull ((3)); +extern int __REDIRECT_NTH (__xstat, (int __ver, const char *__filename, + struct stat *__stat_buf), __xstat64) + __nonnull ((2, 3)); +extern int __REDIRECT_NTH (__lxstat, (int __ver, const char *__filename, + struct stat *__stat_buf), __lxstat64) + __nonnull ((2, 3)); +extern int __REDIRECT_NTH (__fxstatat, (int __ver, int __fildes, + const char *__filename, + struct stat *__stat_buf, int __flag), + __fxstatat64) __nonnull ((3, 4)); + +# else +# define __fxstat __fxstat64 +# define __xstat __xstat64 +# define __lxstat __lxstat64 +# endif +#endif + +#ifdef __USE_LARGEFILE64 +extern int __fxstat64 (int __ver, int __fildes, struct stat64 *__stat_buf) + __THROW __nonnull ((3)); +extern int __xstat64 (int __ver, const char *__filename, + struct stat64 *__stat_buf) __THROW __nonnull ((2, 3)); +extern int __lxstat64 (int __ver, const char *__filename, + struct stat64 *__stat_buf) __THROW __nonnull ((2, 3)); +extern int __fxstatat64 (int __ver, int __fildes, const char *__filename, + struct stat64 *__stat_buf, int __flag) + __THROW __nonnull ((3, 4)); +#endif +extern int __xmknod (int __ver, const char *__path, __mode_t __mode, + __dev_t *__dev) __THROW __nonnull ((2, 4)); + +extern int __xmknodat (int __ver, int __fd, const char *__path, + __mode_t __mode, __dev_t *__dev) + __THROW __nonnull ((3, 5)); + +#ifdef __USE_EXTERN_INLINES +/* Inlined versions of the real stat and mknod functions. */ + +__extern_inline int +__NTH (stat (const char *__path, struct stat *__statbuf)) +{ + return __xstat (_STAT_VER, __path, __statbuf); +} + +# if defined __USE_MISC || defined __USE_XOPEN_EXTENDED +__extern_inline int +__NTH (lstat (const char *__path, struct stat *__statbuf)) +{ + return __lxstat (_STAT_VER, __path, __statbuf); +} +# endif + +__extern_inline int +__NTH (fstat (int __fd, struct stat *__statbuf)) +{ + return __fxstat (_STAT_VER, __fd, __statbuf); +} + +# ifdef __USE_ATFILE +__extern_inline int +__NTH (fstatat (int __fd, const char *__filename, struct stat *__statbuf, + int __flag)) +{ + return __fxstatat (_STAT_VER, __fd, __filename, __statbuf, __flag); +} +# endif + +# ifdef __USE_MISC +__extern_inline int +__NTH (mknod (const char *__path, __mode_t __mode, __dev_t __dev)) +{ + return __xmknod (_MKNOD_VER, __path, __mode, &__dev); +} +# endif + +# ifdef __USE_ATFILE +__extern_inline int +__NTH (mknodat (int __fd, const char *__path, __mode_t __mode, + __dev_t __dev)) +{ + return __xmknodat (_MKNOD_VER, __fd, __path, __mode, &__dev); +} +# endif + +# if defined __USE_LARGEFILE64 \ + && (! defined __USE_FILE_OFFSET64 \ + || (defined __REDIRECT_NTH && defined __OPTIMIZE__)) +__extern_inline int +__NTH (stat64 (const char *__path, struct stat64 *__statbuf)) +{ + return __xstat64 (_STAT_VER, __path, __statbuf); +} + +# if defined __USE_MISC || defined __USE_XOPEN_EXTENDED +__extern_inline int +__NTH (lstat64 (const char *__path, struct stat64 *__statbuf)) +{ + return __lxstat64 (_STAT_VER, __path, __statbuf); +} +# endif + +__extern_inline int +__NTH (fstat64 (int __fd, struct stat64 *__statbuf)) +{ + return __fxstat64 (_STAT_VER, __fd, __statbuf); +} + +# ifdef __USE_ATFILE +__extern_inline int +__NTH (fstatat64 (int __fd, const char *__filename, struct stat64 *__statbuf, + int __flag)) +{ + return __fxstatat64 (_STAT_VER, __fd, __filename, __statbuf, __flag); +} +# endif + +# endif + +#endif + +__END_DECLS + + +#endif /* sys/stat.h */ |