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/* Copyright (C) 1991, 92, 1995-1999, 2000, 2001 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, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

/*

 *      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_XOPEN

# define __need_time_t

# include <time.h>              /* For time_t.  */

/* The Single Unix specification says that some more types are

   available here.  */

# 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_BSD || 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_BSD || defined __USE_MISC || defined __USE_XOPEN2K) \

     && 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

#ifdef  __USE_BSD

# ifndef __S_IFLNK

#  define S_ISLNK(mode)  0

# endif

# ifdef __S_IFSOCK

#  define S_ISSOCK(mode) __S_ISTYPE((mode), __S_IFSOCK)

# endif

#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_BSD || 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)

#if defined __USE_MISC && defined __USE_BSD

# 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_BSD

/* 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;

/* 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;

#else

# ifdef __REDIRECT

extern int __REDIRECT (stat,

                       (__const char *__restrict __file,

                        struct stat *__restrict __buf) __THROW,

                       stat64);

extern int __REDIRECT (fstat, (int __fd, struct stat *__buf) __THROW, fstat64);

# else

#  define stat stat64

#  define fstat fstat64

# endif

#endif

#ifdef __USE_LARGEFILE64

extern int stat64 (__const char *__restrict __file,

                   struct stat64 *__restrict __buf) __THROW;

extern int fstat64 (int __fd, struct stat64 *__buf) __THROW;

#endif

#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED

# 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;

# else

#  ifdef __REDIRECT

extern int __REDIRECT (lstat,

                       (__const char *__restrict __file,

                        struct stat *__restrict __buf) __THROW,

                       lstat64);

#  else

#   define lstat lstat64

#  endif

# endif

# ifdef __USE_LARGEFILE64

extern int lstat64 (__const char *__restrict __file,

                    struct stat64 *__restrict __buf) __THROW;

# endif

#endif

/* Set file access permissions for FILE to MODE.

   This takes an `int' MODE argument because that

   is what `mode_t's get widened to.  */

extern int chmod (__const char *__file, __mode_t __mode) __THROW;

/* Set file access permissions of the file FD is open on to MODE.  */

#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED

extern int fchmod (int __fd, __mode_t __mode) __THROW;

#endif

/* 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;

/* 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_BSD || defined __USE_XOPEN_EXTENDED

extern int mknod (__const char *__path, __mode_t __mode, __dev_t __dev)

     __THROW;

#endif

/* Create a new FIFO named PATH, with permission bits MODE.  */

extern int mkfifo (__const char *__path, __mode_t __mode) __THROW;

__END_DECLS

#endif /* sys/stat.h  */