66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*-
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* Copyright (c) 2017 M. Warner Losh <imp@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "namespace.h"
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#include <sys/param.h>
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#include "compat-ino64.h"
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#include <sys/errno.h>
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#include <sys/syscall.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "libc_private.h"
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int
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getfsstat(struct statfs *buf, long bufsize, int flags)
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{
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struct freebsd11_statfs *statfs11 = NULL;
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ssize_t len = 0;
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int rv, i;
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if (__getosreldate() >= INO64_FIRST)
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return (__sys_getfsstat(buf, bufsize, flags));
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if (buf != NULL) {
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len = sizeof(struct freebsd11_statfs) * /* Round down on purpose to avoid */
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(bufsize / sizeof(struct statfs)); /* overflow on translation. */
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statfs11 = malloc(len);
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if (statfs11 == NULL) {
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errno = ENOMEM;
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return (-1);
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}
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}
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rv = syscall(SYS_freebsd11_getfsstat, statfs11, len, flags);
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if (rv != -1 && buf != NULL) {
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for (i = 0; i < rv; i++)
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__statfs11_to_statfs(&statfs11[i], &buf[i]);
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}
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free(statfs11);
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return (rv);
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}
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