/*
 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008
 *	The President and Fellows of Harvard College.
 *
 * 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 UNIVERSITY 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 UNIVERSITY 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.
 */

#ifndef _KERN_STAT_H_
#define _KERN_STAT_H_

/*
 * The stat structure, for returning file information via stat(),
 * fstat(), and lstat().
 *
 * Fields corresponding to things you aren't implementing should be
 * set to zero.
 *
 * The file types are in kern/stattypes.h.
 */
struct stat {
  /* Essential fields */
  off_t st_size;      /* file size in bytes */
  mode_t st_mode;     /* file type and protection mode */
  nlink_t st_nlink;   /* number of hard links */
  blkcnt_t st_blocks; /* number of blocks file is using */

  /* Identity */
  dev_t st_dev;  /* device object lives on */
  ino_t st_ino;  /* inode number (serial number) of object */
  dev_t st_rdev; /* device object is (if a device) */

  /* Timestamps */
  time_t st_atime;    /* last access time: seconds */
  time_t st_ctime;    /* inode change time: seconds */
  time_t st_mtime;    /* modification time: seconds */
  __u32 st_atimensec; /* last access time: nanoseconds */
  __u32 st_ctimensec; /* inode change time: nanoseconds */
  __u32 st_mtimensec; /* modification time: nanoseconds */

  /* Permissions (also st_mode) */
  uid_t st_uid; /* owner */
  gid_t st_gid; /* group */

  /* Other */
  __u32 st_gen;         /* file generation number (root only) */
  blksize_t st_blksize; /* recommended I/O block size */
};

#endif /* _KERN_STAT_H_ */
