io/sys/statvfs.h

   1 /* Definitions for getting information about a filesystem.
   2    Copyright (C) 1998, 1999, 2000, 2004 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _SYS_STATVFS_H
  21 #define _SYS_STATVFS_H  1
  22
  23 #include <features.h>
  24
  25 /* Get the system-specific definition of `struct statfs'.  */
  26 #include <bits/statvfs.h>
  27
  28 #ifndef __USE_FILE_OFFSET64
  29 # ifndef __fsblkcnt_t_defined
  30 typedef __fsblkcnt_t fsblkcnt_t; /* Type to count file system blocks.  */
  31 #  define __fsblkcnt_t_defined
  32 # endif
  33 # ifndef __fsfilcnt_t_defined
  34 typedef __fsfilcnt_t fsfilcnt_t; /* Type to count file system inodes.  */
  35 #  define __fsfilcnt_t_defined
  36 # endif
  37 #else
  38 # ifndef __fsblkcnt_t_defined
  39 typedef __fsblkcnt64_t fsblkcnt_t; /* Type to count file system blocks.  */
  40 #  define __fsblkcnt_t_defined
  41 # endif
  42 # ifndef __fsfilcnt_t_defined
  43 typedef __fsfilcnt64_t fsfilcnt_t; /* Type to count file system inodes.  */
  44 #  define __fsfilcnt_t_defined
  45 # endif
  46 #endif
  47
  48 __BEGIN_DECLS
  49
  50 /* Return information about the filesystem on which FILE resides.  */
  51 #ifndef __USE_FILE_OFFSET64
  52 extern int statvfs (__const char *__restrict __file,
  53                     struct statvfs *__restrict __buf)
  54      __THROW __nonnull ((1, 2));
  55 #else
  56 # ifdef __REDIRECT_NTH
  57 extern int __REDIRECT_NTH (statvfs,
  58                            (__const char *__restrict __file,
  59                             struct statvfs *__restrict __buf), statvfs64)
  60      __nonnull ((1, 2));
  61 # else
  62 #  define statvfs statvfs64
  63 # endif
  64 #endif
  65 #ifdef __USE_LARGEFILE64
  66 extern int statvfs64 (__const char *__restrict __file,
  67                       struct statvfs64 *__restrict __buf)
  68      __THROW __nonnull ((1, 2));
  69 #endif
  70
  71 /* Return information about the filesystem containing the file FILDES
  72    refers to.  */
  73 #ifndef __USE_FILE_OFFSET64
  74 extern int fstatvfs (int __fildes, struct statvfs *__buf)
  75      __THROW __nonnull ((2));
  76 #else
  77 # ifdef __REDIRECT_NTH
  78 extern int __REDIRECT_NTH (fstatvfs, (int __fildes, struct statvfs *__buf),
  79                            fstatvfs64) __nonnull ((2));
  80 # else
  81 #  define fstatvfs fstatvfs64
  82 # endif
  83 #endif
  84 #ifdef __USE_LARGEFILE64
  85 extern int fstatvfs64 (int __fildes, struct statvfs64 *__buf)
  86      __THROW __nonnull ((2));
  87 #endif
  88
  89 __END_DECLS
  90
  91 #endif  /* sys/statvfs.h */