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[/] [or1k/] [trunk/] [linux/] [uClibc/] [include/] [sys/] [stat.h] - Rev 1771

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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  */
 

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