1 /* 2 * Copyright (c) 1989, 1993 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. 13 * 3. 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 * From: @(#)getmntinfo.c 8.1 (Berkeley) 6/4/93 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/param.h> 36 #include <sys/ucred.h> 37 #define _WANT_FREEBSD11_STATFS 38 #include <sys/mount.h> 39 #include <stdlib.h> 40 #include "gen-compat.h" 41 42 /* 43 * Return information about mounted filesystems. 44 */ 45 int 46 freebsd11_getmntinfo(struct freebsd11_statfs **mntbufp, int flags) 47 { 48 static struct freebsd11_statfs *mntbuf; 49 static int mntsize; 50 static long bufsize; 51 52 if (mntsize <= 0 && 53 (mntsize = freebsd11_getfsstat(0, 0, MNT_NOWAIT)) < 0) 54 return (0); 55 if (bufsize > 0 && 56 (mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0) 57 return (0); 58 while (bufsize <= mntsize * sizeof(struct freebsd11_statfs)) { 59 if (mntbuf) 60 free(mntbuf); 61 bufsize = (mntsize + 1) * sizeof(struct freebsd11_statfs); 62 if ((mntbuf = (struct freebsd11_statfs *)malloc(bufsize)) == 0) 63 return (0); 64 if ((mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0) 65 return (0); 66 } 67 *mntbufp = mntbuf; 68 return (mntsize); 69 } 70 71 __sym_compat(getmntinfo, freebsd11_getmntinfo, FBSD_1.0); 72