1*69921123SKonstantin Belousov /*
2*69921123SKonstantin Belousov * Copyright (c) 1989, 1993
3*69921123SKonstantin Belousov * The Regents of the University of California. All rights reserved.
4*69921123SKonstantin Belousov *
5*69921123SKonstantin Belousov * Redistribution and use in source and binary forms, with or without
6*69921123SKonstantin Belousov * modification, are permitted provided that the following conditions
7*69921123SKonstantin Belousov * are met:
8*69921123SKonstantin Belousov * 1. Redistributions of source code must retain the above copyright
9*69921123SKonstantin Belousov * notice, this list of conditions and the following disclaimer.
10*69921123SKonstantin Belousov * 2. Redistributions in binary form must reproduce the above copyright
11*69921123SKonstantin Belousov * notice, this list of conditions and the following disclaimer in the
12*69921123SKonstantin Belousov * documentation and/or other materials provided with the distribution.
13*69921123SKonstantin Belousov * 3. Neither the name of the University nor the names of its contributors
14*69921123SKonstantin Belousov * may be used to endorse or promote products derived from this software
15*69921123SKonstantin Belousov * without specific prior written permission.
16*69921123SKonstantin Belousov *
17*69921123SKonstantin Belousov * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18*69921123SKonstantin Belousov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*69921123SKonstantin Belousov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*69921123SKonstantin Belousov * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21*69921123SKonstantin Belousov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*69921123SKonstantin Belousov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*69921123SKonstantin Belousov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*69921123SKonstantin Belousov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*69921123SKonstantin Belousov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*69921123SKonstantin Belousov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*69921123SKonstantin Belousov * SUCH DAMAGE.
28*69921123SKonstantin Belousov */
29*69921123SKonstantin Belousov
30*69921123SKonstantin Belousov #include <sys/param.h>
31*69921123SKonstantin Belousov #include <sys/ucred.h>
32*69921123SKonstantin Belousov #define _WANT_FREEBSD11_STATFS
33*69921123SKonstantin Belousov #include <sys/mount.h>
34*69921123SKonstantin Belousov #include <stdlib.h>
35*69921123SKonstantin Belousov #include "gen-compat.h"
36*69921123SKonstantin Belousov
37*69921123SKonstantin Belousov /*
38*69921123SKonstantin Belousov * Return information about mounted filesystems.
39*69921123SKonstantin Belousov */
40*69921123SKonstantin Belousov int
freebsd11_getmntinfo(struct freebsd11_statfs ** mntbufp,int flags)41*69921123SKonstantin Belousov freebsd11_getmntinfo(struct freebsd11_statfs **mntbufp, int flags)
42*69921123SKonstantin Belousov {
43*69921123SKonstantin Belousov static struct freebsd11_statfs *mntbuf;
44*69921123SKonstantin Belousov static int mntsize;
45*69921123SKonstantin Belousov static long bufsize;
46*69921123SKonstantin Belousov
47*69921123SKonstantin Belousov if (mntsize <= 0 &&
48*69921123SKonstantin Belousov (mntsize = freebsd11_getfsstat(0, 0, MNT_NOWAIT)) < 0)
49*69921123SKonstantin Belousov return (0);
50*69921123SKonstantin Belousov if (bufsize > 0 &&
51*69921123SKonstantin Belousov (mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0)
52*69921123SKonstantin Belousov return (0);
53*69921123SKonstantin Belousov while (bufsize <= mntsize * sizeof(struct freebsd11_statfs)) {
54*69921123SKonstantin Belousov if (mntbuf)
55*69921123SKonstantin Belousov free(mntbuf);
56*69921123SKonstantin Belousov bufsize = (mntsize + 1) * sizeof(struct freebsd11_statfs);
57*69921123SKonstantin Belousov if ((mntbuf = (struct freebsd11_statfs *)malloc(bufsize)) == 0)
58*69921123SKonstantin Belousov return (0);
59*69921123SKonstantin Belousov if ((mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0)
60*69921123SKonstantin Belousov return (0);
61*69921123SKonstantin Belousov }
62*69921123SKonstantin Belousov *mntbufp = mntbuf;
63*69921123SKonstantin Belousov return (mntsize);
64*69921123SKonstantin Belousov }
65*69921123SKonstantin Belousov
66*69921123SKonstantin Belousov __sym_compat(getmntinfo, freebsd11_getmntinfo, FBSD_1.0);
67