1/*- 2 * Copyright (c) 2017 M. Warner Losh <imp@FreeBSD.org> 3 * 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include "namespace.h" 31#include <sys/param.h> 32#include "compat-ino64.h" 33#include <sys/errno.h> 34#include <sys/syscall.h> 35#include <stdlib.h> 36#include <unistd.h> 37 38#include "libc_private.h" 39 40int 41getfsstat(struct statfs *buf, long bufsize, int flags) 42{ 43 struct freebsd11_statfs *statfs11 = NULL; 44 ssize_t len = 0; 45 int rv, i; 46 47 if (__getosreldate() >= INO64_FIRST) 48 return (__sys_getfsstat(buf, bufsize, flags)); 49 if (buf != NULL) { 50 len = sizeof(struct freebsd11_statfs) * /* Round down on purpose to avoid */ 51 (bufsize / sizeof(struct statfs)); /* overflow on translation. */ 52 statfs11 = malloc(len); 53 if (statfs11 == NULL) { 54 errno = ENOMEM; 55 return (-1); 56 } 57 } 58 rv = syscall(SYS_freebsd11_getfsstat, statfs11, len, flags); 59 if (rv != -1 && buf != NULL) { 60 for (i = 0; i < rv; i++) 61 __statfs11_to_statfs(&statfs11[i], &buf[i]); 62 } 63 free(statfs11); 64 return (rv); 65} 66