include/sys/statvfs.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * sys/statvfs.h
  28  */
  29 #ifndef _SYS_STATVFS_H_
  30 #define _SYS_STATVFS_H_
  31
  32 #include <sys/cdefs.h>
  33
  34 /* Following types need to be defined in <sys/types.h> as well */
  35 typedef unsigned int fsblkcnt_t;
  36 typedef unsigned int fsfilcnt_t;
  37
  38 /* Following structure is used as a statvfs/fstatvfs function parameter */
  39 struct statvfs {
  40         unsigned long   f_bsize;        /* File system block size */
  41         unsigned long   f_frsize;       /* Fundamental file system block size */
  42         fsblkcnt_t      f_blocks;       /* Blocks on FS in units of f_frsize*/
  43         fsblkcnt_t      f_bfree;        /* Free blocks */
  44         fsblkcnt_t      f_bavail;       /* Blocks available to non-root */
  45         fsfilcnt_t      f_files;        /* Total inodes */
  46         fsfilcnt_t      f_ffree;        /* Free inodes */
  47         fsfilcnt_t      f_favail;       /* Free inodes for non-root */
  48         unsigned long   f_fsid;         /* Filesystem ID */
  49         unsigned long   f_flag;         /* Bit mask of values */
  50         unsigned long   f_namemax;      /* Max file name length */
  51 };
  52
  53 /* Defined bits for f_flag field value */
  54 #define ST_RDONLY       0x00000001      /* Read-only file system */
  55 #define ST_NOSUID       0x00000002      /* Does not honor setuid/setgid */
  56
  57 __BEGIN_DECLS
  58 int fstatvfs(int, struct statvfs *);
  59 int statvfs(const char * __restrict, struct statvfs * __restrict);
  60 __END_DECLS
  61
  62 #endif  /* _SYS_STATVFS_H_ */