2 * Copyright (c) 2017 M. Warner Losh <imp@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include "namespace.h"
31 #include <sys/param.h>
32 #include "compat-ino64.h"
33 #include <sys/errno.h>
34 #include <sys/syscall.h>
38 #include "libc_private.h"
41 getfsstat(struct statfs *buf, long bufsize, int flags)
43 struct freebsd11_statfs *statfs11 = NULL;
47 if (__getosreldate() >= INO64_FIRST)
48 return (__sys_getfsstat(buf, bufsize, flags));
50 len = sizeof(struct freebsd11_statfs) * /* Round down on purpose to avoid */
51 (bufsize / sizeof(struct statfs)); /* overflow on translation. */
52 statfs11 = malloc(len);
53 if (statfs11 == NULL) {
58 rv = syscall(SYS_freebsd11_getfsstat, statfs11, len, flags);
59 if (rv != -1 && buf != NULL) {
60 for (i = 0; i < rv; i++)
61 __statfs11_to_statfs(&statfs11[i], &buf[i]);