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