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1/*
2 * Copyright (c) 1989, 1993
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3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
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13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
5b2abdfb 30#if defined(LIBC_SCCS) && !defined(lint)
224c7076 31static char sccsid[] = "@(#)getmntinfo.c 8.1 (Berkeley) 6/4/93";
5b2abdfb 32#endif /* LIBC_SCCS and not lint */
9385eb3d 33#include <sys/cdefs.h>
1f2f436a 34__FBSDID("$FreeBSD: src/lib/libc/gen/getmntinfo.c,v 1.5 2007/01/09 00:27:54 imp Exp $");
e9ce8d39 35
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36#if !__DARWIN_ONLY_64_BIT_INO_T
37
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38#include <sys/param.h>
39#include <sys/ucred.h>
40#include <sys/mount.h>
41#include <stdlib.h>
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42
43/*
224c7076 44 * Return information about mounted filesystems.
e9ce8d39 45 */
9385eb3d 46int
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47getmntinfo64(mntbufp, flags)
48 struct statfs64 **mntbufp;
49 int flags;
e9ce8d39 50{
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51 static struct statfs64 *mntbuf;
52 static int mntsize;
53 static long bufsize;
e9ce8d39 54
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55 if (mntsize <= 0 && (mntsize = getfsstat64(0, 0, MNT_NOWAIT)) < 0)
56 return (0);
57 if (bufsize > 0 && (mntsize = getfsstat64(mntbuf, bufsize, flags)) < 0)
58 return (0);
59 while (bufsize <= mntsize * sizeof(struct statfs64)) {
60 if (mntbuf)
61 free(mntbuf);
62 bufsize = (mntsize + 1) * sizeof(struct statfs64);
63 if ((mntbuf = (struct statfs64 *)malloc(bufsize)) == 0)
64 return (0);
65 if ((mntsize = getfsstat64(mntbuf, bufsize, flags)) < 0)
66 return (0);
67 }
68 *mntbufp = mntbuf;
69 return (mntsize);
e9ce8d39 70}
a9aaacca 71#endif