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/* $NetBSD: compat_statfs.c,v 1.9 2019/10/04 01:28:03 christos Exp $ */
/*-
* Copyright (c) 2004, 2019 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.
*
* 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 <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: compat_statfs.c,v 1.9 2019/10/04 01:28:03 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#define __LIBC12_SOURCE__
#include "namespace.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <compat/sys/mount.h>
#include <compat/include/fstypes.h>
#include <compat/sys/statvfs.h>
#include <string.h>
#include <stdlib.h>
__warn_references(statfs,
"warning: reference to obsolete statfs(); use statvfs()")
__warn_references(fstatfs,
"warning: reference to obsolete fstatfs(); use fstatvfs()")
__warn_references(fhstatfs,
"warning: reference to obsolete fhstatfs(); use fhstatvfs()")
__warn_references(getfsstat,
"warning: reference to obsolete getfsstat(); use getvfsstat()")
__strong_alias(statfs, __compat_statfs)
__strong_alias(fstatfs, __compat_fstatfs)
__strong_alias(fhstatfs, __compat_fhstatfs)
__strong_alias(getfsstat, __compat_getfsstat)
int
__compat_statfs(const char *file, struct statfs12 *ost)
{
struct statvfs nst;
int ret;
if ((ret = __statvfs90(file, &nst)) == -1)
return ret;
statvfs_to_statfs12(&nst, ost);
return ret;
}
int
__compat_fstatfs(int f, struct statfs12 *ost)
{
struct statvfs nst;
int ret;
if ((ret = __fstatvfs90(f, &nst)) == -1)
return ret;
statvfs_to_statfs12(&nst, ost);
return ret;
}
int
__compat_fhstatfs(const struct compat_30_fhandle *fh, struct statfs12 *ost)
{
struct statvfs nst;
int ret;
if ((ret = __fhstatvfs190(fh, FHANDLE30_SIZE, &nst, ST_WAIT)) == -1)
return ret;
statvfs_to_statfs12(&nst, ost);
return ret;
}
int
__compat_getfsstat(struct statfs12 *ost, long size, int flags)
{
struct statvfs *nst;
int ret, i;
size_t bsize = (size_t)(size / sizeof(*ost)) * sizeof(*nst);
if (ost != NULL) {
if ((nst = malloc(bsize)) == NULL)
return -1;
} else
nst = NULL;
if ((ret = __getvfsstat90(nst, bsize, flags)) == -1)
goto done;
if (nst)
for (i = 0; i < ret; i++)
statvfs_to_statfs12(&nst[i], &ost[i]);
done:
if (nst)
free(nst);
return ret;
}
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