include/sys/statvfs.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * sys/statvfs.h
  26  */
  27 #ifndef _SYS_STATVFS_H_
  28 #define _SYS_STATVFS_H_
  29
  30 #include <sys/_types.h>
  31 #include <sys/cdefs.h>
  32
  33 #ifndef _FSBLKCNT_T
  34 #define _FSBLKCNT_T
  35 typedef __darwin_fsblkcnt_t     fsblkcnt_t;
  36 #endif
  37
  38 #ifndef _FSFILCNT_T
  39 #define _FSFILCNT_T
  40 typedef __darwin_fsfilcnt_t     fsfilcnt_t;
  41 #endif
  42
  43 /* Following structure is used as a statvfs/fstatvfs function parameter */
  44 struct statvfs {
  45         unsigned long   f_bsize;        /* File system block size */
  46         unsigned long   f_frsize;       /* Fundamental file system block size */
  47         fsblkcnt_t      f_blocks;       /* Blocks on FS in units of f_frsize */
  48         fsblkcnt_t      f_bfree;        /* Free blocks */
  49         fsblkcnt_t      f_bavail;       /* Blocks available to non-root */
  50         fsfilcnt_t      f_files;        /* Total inodes */
  51         fsfilcnt_t      f_ffree;        /* Free inodes */
  52         fsfilcnt_t      f_favail;       /* Free inodes for non-root */
  53         unsigned long   f_fsid;         /* Filesystem ID */
  54         unsigned long   f_flag;         /* Bit mask of values */
  55         unsigned long   f_namemax;      /* Max file name length */
  56 };
  57
  58 /* Defined bits for f_flag field value */
  59 #define ST_RDONLY       0x00000001      /* Read-only file system */
  60 #define ST_NOSUID       0x00000002      /* Does not honor setuid/setgid */
  61
  62 __BEGIN_DECLS
  63 int fstatvfs(int, struct statvfs *);
  64 int statvfs(const char * __restrict, struct statvfs * __restrict);
  65 __END_DECLS
  66
  67 #endif  /* _SYS_STATVFS_H_ */