/* $NetBSD: compat_statvfs.c,v 1.1 2019/09/22 22:59:38 christos Exp $ */
/*-
* Copyright (c) 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_statvfs.c,v 1.1 2019/09/22 22:59:38 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#define __LIBC12_SOURCE__
#include <stdlib.h>
#include <sys/types.h>
#include <sys/statvfs.h>
#include <compat/include/fstypes.h>
#include <compat/sys/statvfs.h>
__warn_references(statvfs,
"warning: reference to compatibility statvfs(); include <sys/statvfs.h> to generate correct reference")
__warn_references(statvfs1,
"warning: reference to compatibility statvfs1(); include <sys/statvfs.h> to generate correct reference")
__warn_references(fstatvfs,
"warning: reference to compatibility fstatvfs(); include <sys/statvfs.h> to generate correct reference")
__warn_references(fstatvfs1,
"warning: reference to compatibility fstatvfs1(); include <sys/statvfs.h> to generate correct reference")
__warn_references(getvfsstat,
"warning: reference to compatibility getvfsstat(); include <sys/statvfs.h> to generate correct reference")
__strong_alias(statvfs, __compat_statvfs)
__strong_alias(statvfs1, __compat_statvfs1)
__strong_alias(fstatvfs, __compat_fstatvfs)
__strong_alias(fstatvfs1, __compat_fstatvfs1)
__strong_alias(getvfsstat, __compat_getvfsstat)
int
__compat_statvfs(const char *path, struct statvfs90 *buf)
{
struct statvfs sb;
int error = __statvfs190(path, &sb, 0);
if (error != -1)
statvfs_to_statvfs90(&sb, buf);
return error;
}
int
__compat_statvfs1(const char *path, struct statvfs90 *buf, int flags)
{
struct statvfs sb;
int error = __statvfs190(path, &sb, flags);
if (error != -1)
statvfs_to_statvfs90(&sb, buf);
return error;
}
int
__compat_fstatvfs(int fd, struct statvfs90 *buf)
{
struct statvfs sb;
int error = __fstatvfs190(fd, &sb, 0);
if (error != -1)
statvfs_to_statvfs90(&sb, buf);
return error;
}
int
__compat_fstatvfs1(int fd, struct statvfs90 *buf, int flags)
{
struct statvfs sb;
int error = __fstatvfs190(fd, &sb, flags);
if (error != -1)
statvfs_to_statvfs90(&sb, buf);
return error;
}
int
__compat_getvfsstat(struct statvfs90 *buf, size_t size, int flags)
{
size_t count = size / sizeof(*buf);
struct statvfs *sb = calloc(count, sizeof(*sb));
if (sb == NULL)
return -1;
int error = __getvfsstat90(sb, count * sizeof(*sb), flags);
if (error != -1) {
for (size_t i = 0; i < count; i++)
statvfs_to_statvfs90(sb + i, buf + i);
}
free(sb);
return error;
}