/*-
 * Copyright (c) 1982, 1986, 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)stat.h	8.12 (Berkeley) 6/16/95
 * $FreeBSD: src/sys/sys/stat.h,v 1.20 1999/12/29 04:24:47 peter Exp $
 */

#ifndef _SYS_STAT_H_
#define	_SYS_STAT_H_

#include <sys/cdefs.h>
#include <machine/stdint.h>

#if !defined(_KERNEL) && __BSD_VISIBLE
#include <sys/time.h>
#else
#include <sys/_timespec.h>
#endif

#ifndef _BLKCNT_T_DECLARED
typedef	__int64_t	blkcnt_t;	/* file block count */
#define	_BLKCNT_T_DECLARED
#endif

#ifndef _BLKSIZE_T_DECLARED
typedef	__int64_t	blksize_t;	/* block size */
#define	_BLKSIZE_T_DECLARED
#endif

#ifndef _DEV_T_DECLARED
typedef	__uint32_t	dev_t;		/* device number */
#define	_DEV_T_DECLARED
#endif

#ifndef _GID_T_DECLARED
typedef	__uint32_t	gid_t;		/* group id */
#define	_GID_T_DECLARED
#endif

#ifndef _INO_T_DECLARED
typedef	__uint64_t	ino_t;		/* inode number */
#define	_INO_T_DECLARED
#endif

#ifndef _MODE_T_DECLARED
typedef	__uint16_t	mode_t;		/* permissions */
#define	_MODE_T_DECLARED
#endif

#ifndef _NLINK_T_DECLARED
typedef	__uint32_t	nlink_t;	/* link count */
#define	_NLINK_T_DECLARED
#endif

#ifndef _OFF_T_DECLARED
typedef	__off_t		off_t;		/* file offset */
#define	_OFF_T_DECLARED
#endif

#ifndef _TIME_T_DECLARED
typedef	__time_t	time_t;
#define	_TIME_T_DECLARED
#endif

#ifndef _UID_T_DECLARED
typedef	__uint32_t	uid_t;		/* user id */
#define	_UID_T_DECLARED
#endif

struct stat {
	ino_t		st_ino;		/* inode's number */
	nlink_t		st_nlink;	/* number of hard links */
	dev_t		st_dev;		/* inode's device */
	mode_t		st_mode;	/* inode protection mode */
	__uint16_t	st_padding1;
	uid_t		st_uid;		/* user ID of the file's owner */
	gid_t		st_gid;		/* group ID of the file's group */
	dev_t		st_rdev;	/* device type */
	struct timespec	st_atim;	/* time of last access */
	struct timespec	st_mtim;	/* time of last data modification */
	struct timespec	st_ctim;	/* time of last file status change */
	off_t		st_size;	/* file size, in bytes */
	blkcnt_t	st_blocks;	/* blocks allocated for file */
	__uint32_t	__old_st_blksize; /* old ABI compatibility only */
	__uint32_t	st_flags;	/* user defined flags for file */
	__uint32_t	st_gen;		/* file generation number */
	__int32_t	st_lspare;
	blksize_t	st_blksize;	/* optimal blocksize for I/O */
	__int64_t	st_qspare2;
};

#define	_ST_FLAGS_PRESENT_

#define	st_atime st_atim.tv_sec
#define	st_mtime st_mtim.tv_sec
#define	st_ctime st_ctim.tv_sec

/* BSD compatibility */
#if __BSD_VISIBLE
#define	st_atimespec st_atim
#define	st_mtimespec st_mtim
#define	st_ctimespec st_ctim
#endif

/* Always ensure that these are consistent with <fcntl.h>! */
#ifndef S_ISUID
#define	S_ISUID	0004000			/* set user id on execution */
#endif
#ifndef S_ISGID
#define	S_ISGID	0002000			/* set group id on execution */
#endif
#if __BSD_VISIBLE
#define	S_ISTXT	0001000			/* sticky bit */
#endif

#ifndef S_IRWXU
#define	S_IRWXU	0000700			/* RWX mask for owner */
#endif
#ifndef S_IRUSR
#define	S_IRUSR	0000400			/* R for owner */
#endif
#ifndef S_IWUSR
#define	S_IWUSR	0000200			/* W for owner */
#endif
#ifndef S_IXUSR
#define	S_IXUSR	0000100			/* X for owner */
#endif

#if __BSD_VISIBLE
#define	S_IREAD		S_IRUSR
#define	S_IWRITE	S_IWUSR
#define	S_IEXEC		S_IXUSR
#endif

#ifndef S_IRWXG
#define	S_IRWXG	0000070			/* RWX mask for group */
#endif
#ifndef S_IRGRP
#define	S_IRGRP	0000040			/* R for group */
#endif
#ifndef S_IWGRP
#define	S_IWGRP	0000020			/* W for group */
#endif
#ifndef S_IXGRP
#define	S_IXGRP	0000010			/* X for group */
#endif

#ifndef S_IRWXO
#define	S_IRWXO	0000007			/* RWX mask for other */
#endif
#ifndef S_IROTH
#define	S_IROTH	0000004			/* R for other */
#endif
#ifndef S_IWOTH
#define	S_IWOTH	0000002			/* W for other */
#endif
#ifndef S_IXOTH
#define	S_IXOTH	0000001			/* X for other */
#endif

#if __XSI_VISIBLE
#define	S_IFMT	 0170000		/* type of file mask */
#define	S_IFIFO	 0010000		/* named pipe (fifo) */
#define	S_IFCHR	 0020000		/* character special */
#define	S_IFDIR	 0040000		/* directory */
#define	S_IFBLK	 0060000		/* block special */
#define	S_IFREG	 0100000		/* regular */
#define	S_IFLNK	 0120000		/* symbolic link */
#define	S_IFSOCK 0140000		/* socket */
#define	S_ISVTX	 0001000		/* save swapped text even after use */
#endif
#if __BSD_VISIBLE
#define	S_IFDB	 0110000		/* record access file */
#define	S_IFWHT  0160000		/* whiteout */
#endif

#define	S_ISDIR(m)	(((m) & 0170000) == 0040000)	/* directory */
#define	S_ISCHR(m)	(((m) & 0170000) == 0020000)	/* char special */
#define	S_ISBLK(m)	(((m) & 0170000) == 0060000)	/* block special */
#define	S_ISREG(m)	(((m) & 0170000) == 0100000)	/* regular file */
#define	S_ISDB(m)	(((m) & 0170000) == 0110000)	/* record access file */
#define	S_ISFIFO(m)	(((m) & 0170000) == 0010000)	/* fifo or socket */
#if __POSIX_VISIBLE
#define	S_ISLNK(m)	(((m) & 0170000) == 0120000)	/* symbolic link */
#define	S_ISSOCK(m)	(((m) & 0170000) == 0140000)	/* socket */
#endif
#if __BSD_VISIBLE
#define	S_ISWHT(m)	(((m) & 0170000) == 0160000)	/* whiteout */
#endif

/*
 * The value of `buf' is a pointer to a `stat' data structure. Since we don't
 * implement message queues, semaphores, and shared memory objects as distinct
 * file types, the following macros evaluate to zero.
 *
 * XXX: Add S_TYPEISTMO() once we grow support for POSIX typed memory objects.
 */
#define	S_TYPEISMQ(buf)		(0)	/* message queue */
#define	S_TYPEISSEM(buf)	(0)	/* semaphore */
#define	S_TYPEISSHM(buf)	(0)	/* shared memory object */

#if __BSD_VISIBLE
#define	ACCESSPERMS	(S_IRWXU|S_IRWXG|S_IRWXO)	/* 0777 */
							/* 7777 */
#define	ALLPERMS	(S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
							/* 0666 */
#define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)

#define	S_BLKSIZE	512		/* block size used in the stat struct */

/*
 * Definitions of flags stored in file flags word.
 *
 * Super-user and owner changeable flags.
 */
#define	UF_SETTABLE	0x0000ffff	/* mask of owner changeable flags */
#define	UF_NODUMP	0x00000001	/* do not dump file */
#define	UF_IMMUTABLE	0x00000002	/* file may not be changed */
#define	UF_APPEND	0x00000004	/* writes to file may only append */
#define	UF_OPAQUE	0x00000008	/* directory is opaque wrt. union */
#define	UF_NOUNLINK	0x00000010	/* file may not be removed or renamed */
#define	UF_UNUSED5	0x00000020	/* (unused) */
#define	UF_NOHISTORY	0x00000040	/* do not retain history/snapshots */
#define	UF_CACHE	0x00000080	/* enable data swapcache */
#define	UF_XLINK	0x00000100	/* cross-link (hardlink) boundary */

/*
 * Super-user changeable flags.
 */
#define	SF_SETTABLE	0xffff0000	/* mask of superuser changeable flags */
#define	SF_ARCHIVED	0x00010000	/* file is archived */
#define	SF_IMMUTABLE	0x00020000	/* file may not be changed */
#define	SF_APPEND	0x00040000	/* writes to file may only append */
#define	SF_NOUNLINK	0x00100000	/* file may not be removed or renamed */
#define	SF_UNUSED17	0x00200000	/* (used by FreeBSD for snapshots) */
#define	SF_NOHISTORY	0x00400000	/* do not retain history/snapshots */
#define	SF_NOCACHE	0x00800000	/* disable data swapcache */
#define	SF_XLINK	0x01000000	/* cross-link (hardlink) boundary */

#ifdef _KERNEL
/*
 * Shorthand abbreviations of above.
 */
#define	OPAQUE		(UF_OPAQUE)
#define	APPEND		(UF_APPEND | SF_APPEND)
#define	IMMUTABLE	(UF_IMMUTABLE | SF_IMMUTABLE)
#define	NOUNLINK	(UF_NOUNLINK | SF_NOUNLINK)
#endif

#endif /* __BSD_VISIBLE */

#if __POSIX_VISIBLE >= 200809
#define	UTIME_NOW	-1
#define	UTIME_OMIT	-2
#endif

#if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL)

__BEGIN_DECLS
int	chmod(const char *, mode_t);
int	fchmod(int, mode_t);
#if __POSIX_VISIBLE >= 200809
int	fchmodat(int, const char *, mode_t, int);
int	futimens(int, const struct timespec *);
int	utimensat(int, const char *, const struct timespec *, int);
#endif
int	fstat(int, struct stat *);
#if __POSIX_VISIBLE >= 199506
int	lstat(const char * __restrict, struct stat * __restrict);
#endif
int	mkdir(const char *, mode_t);
int	mkfifo(const char *, mode_t);
#if !defined(_MKNOD_DECLARED) && __XSI_VISIBLE
int	mknod(const char *, mode_t, dev_t);
#define	_MKNOD_DECLARED
#endif
int	stat(const char * __restrict, struct stat * __restrict);
mode_t	umask(mode_t);
#if __POSIX_VISIBLE >= 200809
int	fstatat(int, const char * __restrict, struct stat * __restrict, int);
int	mkdirat(int, const char *, mode_t);
int	mkfifoat(int, const char *, mode_t);
#endif
#if __XSI_VISIBLE >= 700
int	mknodat(int, const char *, mode_t, dev_t);
#endif
#if __BSD_VISIBLE
int	chflags(const char *, unsigned long);
int	fchflags(int, unsigned long);
int	lchflags(const char *, unsigned long);
int	chflagsat(int, const char *, unsigned long, int);
int	lchmod(const char *, mode_t);
#endif
__END_DECLS

#endif

#endif /* !_SYS_STAT_H_ */
