sysdeps/mach/hurd/bits/stat.h

   1 /* Copyright (C) 1992, 1993, 1994, 1996, 1997 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 /*
  20  * Never include this file directly; use <sys/stat.h> instead.
  21  */
  22
  23 #ifndef _BITS_STAT_H
  24 #define _BITS_STAT_H    1
  25
  26 #include <bits/types.h>
  27
  28 /* NOTE: The size of this structure (32 ints) is known in
  29    <hurd/hurd_types.defs>, since it is used in the `io_stat' RPC.  MiG
  30    does not cope at all well with the passed C structure not being of
  31    the expected size.  There are some filler words at the end to allow
  32    for future expansion.  To increase the size of the structure used
  33    in the RPC and retain binary compatibility, we would need to assign
  34    a new message number.  */
  35
  36 struct stat
  37   {
  38     int st_fstype;              /* File system type.  */
  39     __fsid_t st_fsid;           /* File system ID.  */
  40 #define st_dev  st_fsid
  41
  42 #ifndef __USE_FILE_OFFSET64
  43     __ino_t st_ino;             /* File number.  */
  44 #else
  45     __ino64_t st_ino;           /* File number.  */
  46 #endif
  47     unsigned int st_gen;        /* To detect reuse of file numbers.  */
  48     __dev_t st_rdev;            /* Device if special file.  */
  49     __mode_t st_mode;           /* File mode.  */
  50     __nlink_t st_nlink;         /* Number of links.  */
  51
  52     __uid_t st_uid;             /* Owner.  */
  53     __gid_t st_gid;             /* Owning group.  */
  54
  55 #ifndef __USE_FILE_OFFSET64
  56     __off_t st_size;            /* Size in bytes.  */
  57 #else
  58     __off64_t st_size;          /* Size in bytes.  */
  59 #endif
  60
  61     __time_t st_atime;          /* Access time, seconds */
  62     unsigned long int st_atime_usec; /* and microseconds.  */
  63     __time_t st_mtime;          /* Modification time, seconds */
  64     unsigned long int st_mtime_usec; /* and microseconds.  */
  65     __time_t st_ctime;          /* Status change time, seconds */
  66     unsigned long int st_ctime_usec; /* and microseconds.  */
  67
  68     unsigned int st_blksize;    /* Optimal size for I/O.  */
  69
  70 #ifndef __USE_FILE_OFFSET64
  71     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.
  72                                    Not related to `st_blksize'.  */
  73 #else
  74     __blkcnt64_t st_blocks;     /* Number of 512-byte blocks allocated.
  75                                    Not related to `st_blksize'.  */
  76 #endif
  77
  78     __uid_t st_author;          /* File author.  */
  79
  80     unsigned int st_flags;      /* User-defined flags.
  81                                    High 16 bits can be set only by root.  */
  82
  83 #ifndef __USE_FILE_OFFSET64
  84 # define _SPARE_SIZE    ((sizeof (__fsid_t) == sizeof (int)) ? 12 : 11)
  85 #else
  86 # define _SPARE_SIZE    ((sizeof (__fsid_t) == sizeof (int)) ? 9 : 8)
  87 #endif
  88     int st_spare[_SPARE_SIZE];  /* Room for future expansion.  */
  89 #undef _SPARE_SIZE
  90   };
  91
  92 #ifdef __USE_LARGEFILE64
  93 struct stat64
  94   {
  95     int st_fstype;              /* File system type.  */
  96     __fsid_t st_fsid;           /* File system ID.  */
  97 # define st_dev st_fsid
  98
  99     __ino64_t st_ino;           /* File number.  */
 100     unsigned int st_gen;        /* To detect reuse of file numbers.  */
 101     __dev_t st_rdev;            /* Device if special file.  */
 102     __mode_t st_mode;           /* File mode.  */
 103     __nlink_t st_nlink;         /* Number of links.  */
 104
 105     __uid_t st_uid;             /* Owner.  */
 106     __gid_t st_gid;             /* Owning group.  */
 107
 108     __off64_t st_size;          /* Size in bytes.  */
 109
 110     __time_t st_atime;          /* Access time, seconds */
 111     unsigned long int st_atime_usec; /* and microseconds.  */
 112     __time_t st_mtime;          /* Modification time, seconds */
 113     unsigned long int st_mtime_usec; /* and microseconds.  */
 114     __time_t st_ctime;          /* Status change time, seconds */
 115     unsigned long int st_ctime_usec; /* and microseconds.  */
 116
 117     unsigned int st_blksize;    /* Optimal size for I/O.  */
 118
 119     __blkcnt64_t st_blocks;     /* Number of 512-byte blocks allocated.
 120                                    Not related to `st_blksize'.  */
 121
 122     __uid_t st_author;          /* File author.  */
 123
 124     unsigned int st_flags;      /* User-defined flags.
 125                                    High 16 bits can be set only by root.  */
 126
 127 #define _SPARE_SIZE     ((sizeof (__fsid_t) == sizeof (int)) ? 9 : 8)
 128     int st_spare[_SPARE_SIZE];  /* Room for future expansion.  */
 129 #undef _SPARE_SIZE
 130   };
 131 #endif
 132
 133 #define _STATBUF_ST_BLKSIZE     /* Tell code we have this member.  */
 134
 135 /* Encoding of the file mode.  */
 136
 137 #define __S_IFMT        0170000 /* These bits determine file type.  */
 138
 139 /* File types.  */
 140 #define __S_IFDIR       0040000 /* Directory.  */
 141 #define __S_IFCHR       0020000 /* Character device.  */
 142 #define __S_IFBLK       0060000 /* Block device.  */
 143 #define __S_IFREG       0100000 /* Regular file.  */
 144 #define __S_IFLNK       0120000 /* Symbolic link.  */
 145 #define __S_IFSOCK      0140000 /* Socket.  */
 146 #define __S_IFIFO       0010000 /* FIFO.  */
 147
 148 /* Protection bits.  */
 149
 150 #define __S_ISUID       04000   /* Set user ID on execution.  */
 151 #define __S_ISGID       02000   /* Set group ID on execution.  */
 152 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 153 #define __S_IREAD       00400   /* Read by owner.  */
 154 #define __S_IWRITE      00200   /* Write by owner.  */
 155 #define __S_IEXEC       00100   /* Execute by owner.  */
 156
 157
 158 #ifdef  __USE_GNU
 159 /* If set, there is no benefit in caching the contents of this file.  */
 160 #define S_INOCACHE      000000200000
 161
 162 /* If the S_IUSEUNK bit is set, then the S_IUNKNOWN bits (see below)
 163    control access for unknown users.  If S_IUSEUNK is clear, then unknown
 164    users are treated as "others" for purposes of access control.  */
 165 #define S_IUSEUNK       000000400000
 166 /* Mask of protection bits for unknown users (no effective IDs at all).  */
 167 #define S_IUNKNOWN      000007000000
 168 /* Shift S_IREAD, S_IWRITE, S_IEXEC left this many bits to produce the
 169    protection bits for unknown users.  */
 170 #define S_IUNKSHIFT     12
 171
 172 /* Read only bits: */
 173
 174 /* There is a passive translator set for this file */
 175 #define S_IPTRANS       000010000000
 176 /* There is an active translator running on this file */
 177 #define S_IATRANS       000020000000
 178 /* This is the root of a filesystem (or single node translator) */
 179 #define S_IROOT         000040000000
 180 /* All the bits relevant to translators */
 181 #define S_ITRANS        000070000000
 182
 183 /* ALL the unused bits.  */
 184 #define S_ISPARE        (~(S_IFMT|S_ITRANS|S_INOCACHE|    \
 185                            S_IUSEUNK|S_IUNKNOWN|07777))
 186 #endif
 187
 188 /* Default file creation mask (umask).  */
 189 #ifdef  __USE_BSD
 190 #define CMASK           0022
 191 #endif
 192
 193
 194 #endif /* bits/stat.h */