/* Copyright (C) 1991-2018 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_GNU

# include <bits/statx.h>

#endif

#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  */