lib/dialects/netbsd/dnode1.c - master - githubmirror/lsof

lib/dialects/netbsd/dnode1.c
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Expose functionality as a re-usable library - Part 2 (#284)
12 апр 2023, 09:01
12 апр 2023, 09:016dca348
/*
 * dnode1.c - NetBSD node functions for lsof
 *
 * This module must be separate to keep separate the multiple kernel inode
 * structure definitions.
 */

/*
 * Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana
 * 47907.  All rights reserved.
 *
 * Written by Victor A. Abell
 *
 * This software is not subject to any license of the American Telephone
 * and Telegraph Company or the Regents of the University of California.
 *
 * Permission is granted to anyone to use this software for any purpose on
 * any computer system, and to alter it and redistribute it freely, subject
 * to the following restrictions:
 *
 * 1. Neither the authors nor Purdue University are responsible for any
 *    consequences of the use of this software.
 *
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Credit to the authors and Purdue
 *    University must appear in documentation and sources.
 *
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 4. This notice may not be removed or altered.
 */

#ifndef lint
static char copyright[] =
    "@(#) Copyright 1994 Purdue Research Foundation.\nAll rights reserved.\n";
#endif

#include "common.h"

#if defined(HAS9660FS)
/*
 * Undo some conflicting node header file definitions.
 */

#    undef doff_t
#    undef i_dev
#    undef i_devvp
#    undef i_number
#    undef IN_ACCESS
#    undef IN_LOCKED
#    undef i_size
#    undef IN_WANTED
#    undef i_endoff
#    undef i_diroff
#    undef i_offset

/*
 * At last, #include the desired header files.
 */

#    if HAS9660FS == 1
#        include <isofs/cd9660/iso.h>
#        include <isofs/cd9660/cd9660_node.h>
#    else /* HAS9660FS!=1 */
#        include <fs/cd9660/iso.h>
#        include <fs/cd9660/cd9660_node.h>
#    endif /* HAS9660FS==1 */

/*
 * read_iso_node() -- read CD 9660 iso_node
 */

int read_iso_node(struct lsof_context *ctx, /* context */
                  struct vnode *v,          /* containing vnode */
                  dev_t *d,                 /* returned device number */
                  INODETYPE *ino,           /* returned inode number */
                  long *nl,                 /* returned link count */
                  SZOFFTYPE *sz)            /* returned size */
{
    struct iso_node i;

    if (!v->v_data || kread(ctx, (KA_T)v->v_data, (char *)&i, sizeof(i)))
        return (1);
    *d = i.i_dev;
    *ino = (INODETYPE)i.i_number;
    *nl = i.inode.iso_links;
    *sz = (SZOFFTYPE)i.i_size;
    return (0);
}
#endif /* defined(HAS9660FS) */