sys/sys/stat.h

/*-
 * Copyright (c) 1982, 1986, 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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.
 *
 *      from: @(#)stat.h        7.11 (Berkeley) 3/3/91
 *      $Id$
 */

#ifndef _SYS_STAT_H_
#define _SYS_STAT_H_

struct stat
{
        dev_t   st_dev;                 /* inode's device */
        ino_t   st_ino;                 /* inode's number */
        mode_t  st_mode;                /* inode protection mode */
        nlink_t st_nlink;               /* number of hard links */
        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 */
        off_t   st_size;                /* file size, in bytes */
        time_t  st_atime;               /* time of last access */
        long    st_spare1;
        time_t  st_mtime;               /* time of last data modification */
        long    st_spare2;
        time_t  st_ctime;               /* time of last file status change */
        long    st_spare3;
        long    st_blksize;             /* optimal blocksize for I/O */
        long    st_blocks;              /* blocks allocated for file */
        u_long  st_flags;               /* user defined flags for file */
        u_long  st_gen;                 /* file generation number */
};

#define S_ISUID 0004000                 /* set user id on execution */
#define S_ISGID 0002000                 /* set group id on execution */
#ifndef _POSIX_SOURCE
#define S_ISTXT 0001000                 /* sticky bit */
#endif

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

#ifndef _POSIX_SOURCE
#define S_IREAD         S_IRUSR
#define S_IWRITE        S_IWUSR
#define S_IEXEC         S_IXUSR
#endif

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

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

#ifndef _POSIX_SOURCE
#define S_IFMT   0170000                /* type of file */
#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 */

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

                                        /* 0666 */
#define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#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_ISFIFO(m)     ((m & 0170000) == 0010000)      /* fifo */
#ifndef _POSIX_SOURCE
#define S_ISLNK(m)      ((m & 0170000) == 0120000)      /* symbolic link */
#define S_ISSOCK(m)     ((m & 0170000) == 0140000)      /* socket */
#endif

#ifndef KERNEL
#include <sys/cdefs.h>

__BEGIN_DECLS
mode_t  umask __P((mode_t));
int     chmod __P((const char *, mode_t));
int     fstat __P((int, struct stat *));
int     mkdir __P((const char *, mode_t));
int     mkfifo __P((const char *, mode_t));
int     stat __P((const char *, struct stat *));
#ifndef _POSIX_SOURCE
int     fchmod __P((int, mode_t));
int     lstat __P((const char *, struct stat *));
#endif /* not POSIX */
__END_DECLS
#endif
#endif  /* _SYS_STAT_H_ */