128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
/* $NetBSD: statvfs.h,v 1.5 2013/09/08 16:24:43 ryoon Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _NBCOMPAT_STATVFS_H_
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#define _NBCOMPAT_STATVFS_H_
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#if HAVE_SYS_STATVFS_H
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# include <sys/statvfs.h>
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#endif
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#if !HAVE_STATVFS
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#include <nbcompat/types.h>
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#include <nbcompat/param.h>
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#if HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#if HAVE_SYS_STATFS_H
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#include <sys/statfs.h>
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#endif
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#if HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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#endif
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#if HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#define VFS_NAMELEN 32
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#define VFS_MNAMELEN 1024
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#if defined(fsblkcnt_t)
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typedef uint64_t fsblkcnt_t; /* fs block count (statvfs) */
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#endif
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#if defined(fsfilcnt_t)
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typedef uint64_t fsfilcnt_t; /* fs file count */
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#endif
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#if !HAVE_FSID_T
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typedef struct { int32_t val[2]; } fsid_t;
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#endif
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struct statvfs {
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unsigned long f_flag; /* copy of mount exported flags */
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unsigned long f_bsize; /* system block size */
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unsigned long f_frsize; /* system fragment size */
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unsigned long f_iosize; /* optimal file system block size */
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fsblkcnt_t f_blocks; /* number of blocks in file system */
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fsblkcnt_t f_bfree; /* free blocks avail in file system */
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fsblkcnt_t f_bavail; /* free blocks avail to non-root */
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fsblkcnt_t f_bresvd; /* blocks reserved for root */
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fsfilcnt_t f_files; /* total file nodes in file system */
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fsfilcnt_t f_ffree; /* free file nodes in file system */
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fsfilcnt_t f_favail; /* free file nodes avail to non-root */
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fsfilcnt_t f_fresvd; /* file nodes reserved for root */
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uint64_t f_syncreads; /* count of sync reads since mount */
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uint64_t f_syncwrites; /* count of sync writes since mount */
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uint64_t f_asyncreads; /* count of async reads since mount */
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uint64_t f_asyncwrites; /* count of async writes since mount */
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fsid_t f_fsidx; /* NetBSD compatible fsid */
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unsigned long f_fsid; /* Posix compatible fsid */
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unsigned long f_namemax; /* maximum filename length */
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uint32_t f_owner; /* user that mounted the file system */
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uint32_t f_spare[4]; /* spare space */
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char f_fstypename[VFS_NAMELEN]; /* fs type name */
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char f_mntonname[VFS_MNAMELEN]; /* directory on which mounted */
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char f_mntfromname[VFS_MNAMELEN]; /* mounted file system */
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};
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#ifndef MNT_RDONLY
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#define MNT_RDONLY 0x00000001 /* read only filesystem */
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#endif
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#ifndef ST_RDONLY
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#define ST_RDONLY MNT_RDONLY
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#endif
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#ifndef MNT_NOSUID
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#define MNT_NOSUID 0x00000008 /* don't honor setuid bits on fs */
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#endif
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#ifndef ST_NOSUID
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#define ST_NOSUID MNT_NOSUID
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#endif
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int statvfs(const char *path, struct statvfs *vfs);
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int fstatvfs(int fd, struct statvfs *vfs);
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#endif /* !HAVE_STATVFS */
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#endif /* !_NBCOMPAT_STATVFS_H_ */
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