sysdeps/unix/sysv/sysv4/i386/bits/stat.h

   1 /* Copyright (C) 1993, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _SYS_STAT_H
  20 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  21 #endif
  22
  23 #include <bits/types.h>
  24
  25 /* Versions of the `struct stat' data structure and
  26    the bits of the `xmknod' interface.  */
  27 #define _STAT_VER       2
  28 #define _MKNOD_VER      2
  29
  30 /* Structure describing file characteristics.  */
  31 struct stat
  32   {
  33     unsigned long itn st_dev;   /* Device.  */
  34     long int st_filler1[3];
  35     unsigned long int st_ino;   /* File serial number.          */
  36     unsigned long int st_mode;  /* File mode.  */
  37     unsigned long int st_nlink; /* Link count.  */
  38     long int st_uid;            /* User ID of the file's owner. */
  39     long int st_gid;            /* Group ID of the file's group.*/
  40     unsigned long int st_rdev;  /* Device number, if device.  */
  41     long int st_filler2[2];
  42
  43     long int st_size;           /* Size of file, in bytes.  */
  44     /* SVR4 added this extra long to allow for expansion of off_t.  */
  45     long int st_filler3;
  46
  47     long int st_atime;          /* Time of last access.  */
  48     unsigned long int st_atime_usec;
  49     long int st_mtime;          /* Time of last modification.  */
  50     unsigned long int st_mtime_usec;
  51     long int st_ctime;          /* Time of last status change.  */
  52     unsigned long int st_ctime_usec;
  53
  54     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  55 #define _STATBUF_ST_BLKSIZE     /* Tell code we have this member.  */
  56
  57     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.  */
  58     char st_fstype[16];         /* The type of this filesystem.  */
  59     int st_aclcnt;
  60     unsigned long int st_level;
  61     unsigned long int st_flags;
  62     unsigned long int st_cmwlevel;
  63     long int st_filler4[4];
  64   };
  65
  66 /* Encoding of the file mode.  */
  67
  68 #define __S_IFMT        0170000 /* These bits determine file type.  */
  69
  70 /* File types.  */
  71 #define __S_IFDIR       0040000 /* Directory.  */
  72 #define __S_IFCHR       0020000 /* Character device.  */
  73 #define __S_IFBLK       0060000 /* Block device.  */
  74 #define __S_IFREG       0100000 /* Regular file.  */
  75 #define __S_IFIFO       0010000 /* FIFO.  */
  76
  77 /* These don't actually exist on System V, but having them doesn't hurt.  */
  78 #define __S_IFLNK       0120000 /* Symbolic link.  */
  79 #define __S_IFSOCK      0140000 /* Socket.  */
  80
  81 /* POSIX.1b objects.  */
  82 #define __S_TYPEISMQ(buf) (0)
  83 #define __S_TYPEISSEM(buf) (0)
  84 #define __S_TYPEISSHM(buf) (0)
  85
  86 /* Protection bits.  */
  87
  88 #define __S_ISUID       04000   /* Set user ID on execution.  */
  89 #define __S_ISGID       02000   /* Set group ID on execution.  */
  90 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
  91 #define __S_IREAD       0400    /* Read by owner.  */
  92 #define __S_IWRITE      0200    /* Write by owner.  */
  93 #define __S_IEXEC       0100    /* Execute by owner.  */