a476ba06d5
o Remove All Rights Reserved from my notices o imp@FreeBSD.org everywhere o regularize punctiation, eliminate date ranges o Make sure that it's clear that I don't claim All Rights reserved by listing All Rights Reserved on same line as other copyright holders (but not me). Other such holders are also listed last where it's clear.
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*-
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* Copyright (c) 2017 M. Warner Losh <imp@FreeBSD.org>
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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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