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/* $NetBSD: statvfs.c,v 1.2 2004/08/16 17:24:56 jlam Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "nbcompat/nbconfig.h"
#if HAVE_STRING_H
#include <string.h> /* memcpy() */
#endif
#include "nbcompat/statvfs.h"
static void fs2vfs(struct statvfs *vfs, const struct statfs *sfs);
static void
fs2vfs(struct statvfs *vfs, const struct statfs *sfs)
{
vfs->f_flag = 0;
if (sfs->f_flags & MNT_RDONLY)
vfs->f_flag |= ST_RDONLY;
if (sfs->f_flags & MNT_NOSUID)
vfs->f_flag |= ST_NOSUID;
#if HAVE_STRUCT_STATFS_F_FSIZE
vfs->f_bsize = sfs->f_fsize
#else
vfs->f_bsize = sfs->f_bsize;
#endif
vfs->f_frsize = sfs->f_bsize;
#if HAVE_STRUCT_STATFS_F_IOSIZE
vfs->f_iosize = sfs->f_iosize;
#else
vfs->f_iosize = sfs->f_bsize;
#endif
vfs->f_blocks = sfs->f_blocks;
vfs->f_bfree = sfs->f_bfree;
vfs->f_bavail = sfs->f_bavail;
vfs->f_bresvd = 0; /* XXX */
vfs->f_files = sfs->f_files;
vfs->f_ffree = sfs->f_ffree;
/*
* f_favail is supposed to only be free nodes available to non-root
* but that info isn't available via statfs(). Just fudge it by
* assigning it f_ffree as well, which is the total free nodes.
*/
vfs->f_favail = sfs->f_ffree;
vfs->f_fresvd = 0; /* XXX */
vfs->f_syncreads = 0; /* XXX */
vfs->f_syncwrites= 0; /* XXX */
vfs->f_asyncreads = 0; /* XXX */
vfs->f_asyncwrites= 0; /* XXX */
(void) memcpy(&vfs->f_fsidx, &sfs->f_fsid, sizeof(fsid_t));
vfs->f_fsid = sfs->f_fsid.val[0];
#if HAVE_STRUCT_STATFS_F_IOSIZE
vfs->f_namemax = sfs->f_name_max;
#else
vfs->f_namemax = VFS_MNAMELEN; /* XXX */
#endif
vfs->f_owner = 0; /* XXX */
vfs->f_fstypename[0] = '\0'; /* XXX */
vfs->f_mntonname[0] = '\0'; /* XXX */
vfs->f_mntfromname[0] = '\0'; /* XXX */
}
int
statvfs(const char *path, struct statvfs *vfs)
{
struct statfs sfs;
if (statfs(path, &sfs) == -1)
return -1;
fs2vfs(vfs, &sfs);
return 0;
}
int
fstatvfs(int fd, struct statvfs *vfs)
{
struct statfs sfs;
if (fstatfs(fd, &sfs) == -1)
return -1;
fs2vfs(vfs, &sfs);
return 0;
}
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