/* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * From: @(#)getmntinfo.c 8.1 (Berkeley) 6/4/93 */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/ucred.h> #define _WANT_FREEBSD11_STATFS #include <sys/mount.h> #include <stdlib.h> #include "gen-compat.h" /* * Return information about mounted filesystems. */ int freebsd11_getmntinfo(struct freebsd11_statfs **mntbufp, int flags) { static struct freebsd11_statfs *mntbuf; static int mntsize; static long bufsize; if (mntsize <= 0 && (mntsize = freebsd11_getfsstat(0, 0, MNT_NOWAIT)) < 0) return (0); if (bufsize > 0 && (mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0) return (0); while (bufsize <= mntsize * sizeof(struct freebsd11_statfs)) { if (mntbuf) free(mntbuf); bufsize = (mntsize + 1) * sizeof(struct freebsd11_statfs); if ((mntbuf = (struct freebsd11_statfs *)malloc(bufsize)) == 0) return (0); if ((mntsize = freebsd11_getfsstat(mntbuf, bufsize, flags)) < 0) return (0); } *mntbufp = mntbuf; return (mntsize); } __sym_compat(getmntinfo, freebsd11_getmntinfo, FBSD_1.0); |