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freebsd/lib/libprocstat/cd9660.c
Gleb Kurtsou e458cb776e Don't cast inode number or file size down to long or unsigned.
Since ino_t size is about to change to 64-bits, casts to long would
truncate 64-bit numbers on 32-bit archs.

Sponsored by:	Google Summer of Code 2011
2012-05-18 10:15:46 +00:00

91 lines
3.0 KiB
C

/*
* Copyright (c) 2000 Peter Edwards
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by Peter Edwards
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
/*
* XXX -
* This had to be separated from fstat.c because cd9660s has namespace
* conflicts with UFS.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <netinet/in.h>
#include <err.h>
#include <isofs/cd9660/cd9660_node.h>
#define _KERNEL
#include <isofs/cd9660/iso.h>
#undef _KERNEL
#include <kvm.h>
#include <stdio.h>
#include "libprocstat.h"
#include "common_kvm.h"
int
isofs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
{
struct iso_node isonode;
struct iso_mnt mnt;
if (!kvm_read_all(kd, (unsigned long)VTOI(vp), &isonode,
sizeof(isonode))) {
warnx("can't read iso_node at %p",
(void *)VTOI(vp));
return (1);
}
if (!kvm_read_all(kd, (unsigned long)isonode.i_mnt, &mnt,
sizeof(mnt))) {
warnx("can't read iso_mnt at %p",
(void *)VTOI(vp));
return (1);
}
vn->vn_fsid = dev2udev(kd, mnt.im_dev);
vn->vn_mode = (mode_t)isonode.inode.iso_mode;
vn->vn_fileid = isonode.i_number;
vn->vn_size = isonode.i_size;
return (0);
}