include/bits/stat.h

/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
	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.  */

#ifndef _SYS_STAT_H
# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
#endif

#include <sgidefs.h>

/* Versions of the `struct stat' data structure.  */
#define _STAT_VER_LINUX_OLD	1
#define _STAT_VER_KERNEL	1
#define _STAT_VER_SVR4		2
#define _STAT_VER_LINUX		3
#define _STAT_VER		_STAT_VER_LINUX /* The one defined below.  */

/* Versions of the `xmknod' interface.  */
#define _MKNOD_VER_LINUX	1
#define _MKNOD_VER_SVR4		2
#define _MKNOD_VER		_MKNOD_VER_LINUX /* The bits defined below.  */


#if _MIPS_SIM == _ABIO32
/* Structure describing file characteristics.  */
struct stat
  {
	__dev_t st_dev;
    long int st_pad1[2];
#ifndef __USE_FILE_OFFSET64
    __ino_t st_ino;		/* File serial number.		*/
#else
    __ino64_t st_ino;		/* File serial number.		*/
#endif
    __mode_t st_mode;		/* File mode.  */
    __nlink_t st_nlink;		/* Link count.  */
    __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 number, if device.  */
#ifndef __USE_FILE_OFFSET64
    long int st_pad2[1];
    __off_t st_size;		/* Size of file, in bytes.  */
    /* SVR4 added this extra long to allow for expansion of off_t.  */
    long int st_pad3;
#else
    long int st_pad2[2];
    __off64_t st_size;		/* Size of file, in bytes.  */
#endif
    /*
     * Actually this should be timestruc_t st_atime, st_mtime and
     * st_ctime but we don't have it under Linux.
     */
    __time_t st_atime;		/* Time of last access.  */
    unsigned long int st_atimensec;	/* Nscecs of last access.  */
    __time_t st_mtime;		/* Time of last modification.  */
    unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
    __time_t st_ctime;		/* Time of last status change.  */
    unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
#ifndef __USE_FILE_OFFSET64
    __blkcnt_t st_blocks;	/* Number of 512-byte blocks allocated.  */
#else
    long int st_pad4;
    __blkcnt64_t st_blocks;	/* Number of 512-byte blocks allocated.  */
#endif
    long int st_pad5[14];
  };
#else /* N32 || N64 */
/* The memory layout is the same as of struct stat64 of the 32-bit kernel.  */
struct stat {
    unsigned int st_dev;
    int st_pad1[3];
    __ino_t st_ino;		/* File serial number.		*/
    __mode_t st_mode;		/* File mode.  */
    __nlink_t st_nlink;		/* Link count.  */
    __uid_t st_uid;		/* User ID of the file's owner.	*/
    __gid_t st_gid;		/* Group ID of the file's group.*/
    unsigned int st_rdev;	/* Device number, if device.  */
    int st_pad2[3];
    __off_t st_size;		/* Size of file, in bytes.  */
    /*
     * Actually this should be timestruc_t st_atime, st_mtime and
     * st_ctime but we don't have it under Linux.
     */
    int st_atime;
    int st_atimensec;
    int st_mtime;
    int st_mtimensec;
    int st_ctime;
    int st_ctimensec;
    int st_blksize;	/* Optimal block size for I/O.  */
    int st_pad3;
    __blkcnt_t st_blocks;	/* Number of 512-byte blocks allocated.  */
    int st_pad4[14];
};
#endif /* N32 || N64 */

#ifdef __USE_LARGEFILE64
#if _MIPS_SIM == _ABIO32
struct stat64
  {
    __dev_t st_dev;
    long int st_pad1[2];
    __ino64_t st_ino;		/* File serial number.		*/
    __mode_t st_mode;		/* File mode.  */
    __nlink_t st_nlink;		/* Link count.  */
    __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 number, if device.  */
    long int st_pad2[2];
    __off64_t st_size;		/* Size of file, in bytes.  */
    /*
     * Actually this should be timestruc_t st_atime, st_mtime and
     * st_ctime but we don't have it under Linux.
     */
    __time_t st_atime;		/* Time of last access.  */
    unsigned long int st_atimensec;	/* Nscecs of last access.  */
    __time_t st_mtime;		/* Time of last modification.  */
    unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
    __time_t st_ctime;		/* Time of last status change.  */
    unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
    long int st_pad3;
    __blkcnt64_t st_blocks;	/* Number of 512-byte blocks allocated.  */
    long int st_pad4[14];
  };
#else	/* N32 || N64 */
/* stat64 of N32/N64 is just an alias of stat syscall. */
struct stat64 {
    unsigned int st_dev;
    int st_pad1[3];
    __ino_t st_ino;		/* File serial number.		*/
    __mode_t st_mode;		/* File mode.  */
    __nlink_t st_nlink;		/* Link count.  */
    __uid_t st_uid;		/* User ID of the file's owner.	*/
    __gid_t st_gid;		/* Group ID of the file's group.*/
    unsigned int st_rdev;	/* Device number, if device.  */
    int st_pad2[3];
    __off_t st_size;		/* Size of file, in bytes.  */
    /*
     * Actually this should be timestruc_t st_atime, st_mtime and
     * st_ctime but we don't have it under Linux.
     */
    int st_atime;
    int st_atimensec;
    int st_mtime;
    int st_mtimensec;
    int st_ctime;
    int st_ctimensec;
    int st_blksize;	/* Optimal block size for I/O.  */
    int st_pad3;
    __blkcnt_t st_blocks;	/* Number of 512-byte blocks allocated.  */
    int st_pad4[14];
};
#endif	/* N32 || N64 */
#endif

/* Tell code we have these members.  */
#define	_STATBUF_ST_BLKSIZE
#define	_STATBUF_ST_RDEV

/* Encoding of the file mode.  */

#define	__S_IFMT	0170000	/* These bits determine file type.  */

/* File types.  */
#define	__S_IFDIR	0040000	/* Directory.  */
#define	__S_IFCHR	0020000	/* Character device.  */
#define	__S_IFBLK	0060000	/* Block device.  */
#define	__S_IFREG	0100000	/* Regular file.  */
#define	__S_IFIFO	0010000	/* FIFO.  */
#define	__S_IFLNK	0120000	/* Symbolic link.  */
#define	__S_IFSOCK	0140000	/* Socket.  */

/* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
   they do it by enforcing the correct use of the macros.  */
#define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)

/* Protection bits.  */

#define	__S_ISUID	04000	/* Set user ID on execution.  */
#define	__S_ISGID	02000	/* Set group ID on execution.  */
#define	__S_ISVTX	01000	/* Save swapped text after use (sticky).  */
#define	__S_IREAD	0400	/* Read by owner.  */
#define	__S_IWRITE	0200	/* Write by owner.  */
#define	__S_IEXEC	0100	/* Execute by owner.  */