bits/statvfs.h

   1 /* Definition of `struct statvfs', information about a filesystem.
   2    Copyright (C) 1998-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_STATVFS_H
  20 # error "Never include <bits/statvfs.h> directly; use <sys/statvfs.h> instead."
  21 #endif
  22
  23 #include <bits/types.h>
  24
  25 /* GNU Hurd NOTE: The size of this structure (16 ints) is known in
  26    <hurd/hurd_types.defs>, since it is used in the `file_statfs' RPC.  MiG
  27    does not cope at all well with the passed C structure not being of the
  28    expected size.  There are some filler words at the end to allow for
  29    future expansion.  To increase the size of the structure used in the RPC
  30    and retain binary compatibility, we would need to assign a new message
  31    number.  */
  32
  33 struct statvfs
  34   {
  35     unsigned long int f_bsize;
  36     unsigned long int f_frsize;
  37 #ifndef __USE_FILE_OFFSET64
  38     __fsblkcnt_t f_blocks;
  39     __fsblkcnt_t f_bfree;
  40     __fsblkcnt_t f_bavail;
  41     __fsfilcnt_t f_files;
  42     __fsfilcnt_t f_ffree;
  43     __fsfilcnt_t f_favail;
  44 #else
  45     __fsblkcnt64_t f_blocks;
  46     __fsblkcnt64_t f_bfree;
  47     __fsblkcnt64_t f_bavail;
  48     __fsfilcnt64_t f_files;
  49     __fsfilcnt64_t f_ffree;
  50     __fsfilcnt64_t f_favail;
  51 #endif
  52     __fsid_t f_fsid;
  53     unsigned long int f_flag;
  54     unsigned long int f_namemax;
  55     unsigned int f_spare[6];
  56   };
  57
  58 #ifdef __USE_LARGEFILE64
  59 struct statvfs64
  60   {
  61     unsigned long int f_bsize;
  62     unsigned long int f_frsize;
  63     __fsblkcnt64_t f_blocks;
  64     __fsblkcnt64_t f_bfree;
  65     __fsblkcnt64_t f_bavail;
  66     __fsfilcnt64_t f_files;
  67     __fsfilcnt64_t f_ffree;
  68     __fsfilcnt64_t f_favail;
  69     __fsid_t f_fsid;
  70     unsigned long int f_flag;
  71     unsigned long int f_namemax;
  72     unsigned int f_spare[6];
  73   };
  74 #endif
  75
  76 /* Definitions for the flag in `f_flag'.  */
  77 enum
  78 {
  79   ST_RDONLY = 1,
  80 #define ST_RDONLY       ST_RDONLY
  81   ST_NOSUID = 2
  82 #define ST_NOSUID       ST_NOSUID
  83 };