sysdeps/unix/bsd/bits/stat.h

   1 /* Copyright (C) 1991, 92, 96, 97, 99, 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 /* Structure describing file characteristics.  */
  26 struct stat
  27   {
  28     /* This is a short instead of dev_t for compatibility with 4.3.  */
  29     short int st_dev;           /* Device containing the file.  */
  30     __ino_t st_ino;             /* File serial number.          */
  31
  32     /* This is a short instead of mode_t for compatibility with 4.3.  */
  33     unsigned short int st_mode; /* File mode.  */
  34
  35     __nlink_t st_nlink;         /* Link count.  */
  36
  37     /* These are shorts instead of uid_t/gid_t for compatibility with 4.3.  */
  38     unsigned short int st_uid;  /* User ID of the file's owner. */
  39     unsigned short int st_gid;  /* Group ID of the file's group.*/
  40
  41     /* This is a short instead of dev_t for compatibility with 4.3.  */
  42     short int st_rdev;          /* Device number, if device.  */
  43
  44     __off_t st_size;            /* Size of file, in bytes.  */
  45
  46     __time_t st_atime;          /* Time of last access.  */
  47     unsigned long int st_atime_usec;
  48     __time_t st_mtime;          /* Time of last modification.  */
  49     unsigned long int st_mtime_usec;
  50     __time_t st_ctime;          /* Time of last status change.  */
  51     unsigned long int st_ctime_usec;
  52
  53     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  54 #define _STATBUF_ST_BLKSIZE     /* Tell code we have this member.  */
  55
  56     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.  */
  57
  58     long int st_spare[2];
  59   };
  60
  61 /* Encoding of the file mode.  */
  62
  63 #define __S_IFMT        0170000 /* These bits determine file type.  */
  64
  65 /* File types.  */
  66 #define __S_IFDIR       0040000 /* Directory.  */
  67 #define __S_IFCHR       0020000 /* Character device.  */
  68 #define __S_IFBLK       0060000 /* Block device.  */
  69 #define __S_IFREG       0100000 /* Regular file.  */
  70 #define __S_IFLNK       0120000 /* Symbolic link.  */
  71 #define __S_IFSOCK      0140000 /* Socket.  */
  72 #define __S_IFIFO       0010000 /* FIFO.  */
  73
  74 /* POSIX.1b objects.  */
  75 #define __S_TYPEISMQ(buf) (0)
  76 #define __S_TYPEISSEM(buf) (0)
  77 #define __S_TYPEISSHM(buf) (0)
  78
  79 /* Protection bits.  */
  80
  81 #define __S_ISUID       04000   /* Set user ID on execution.  */
  82 #define __S_ISGID       02000   /* Set group ID on execution.  */
  83 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
  84 #define __S_IREAD       0400    /* Read by owner.  */
  85 #define __S_IWRITE      0200    /* Write by owner.  */
  86 #define __S_IEXEC       0100    /* Execute by owner.  */