lib/dialects/uw/dnode2.c - master - githubmirror/lsof

lib/dialects/uw/dnode2.c
109 строк3 KB
Chen
Expose functionality as a re-usable library - Part 2 (#284)
12 апр 2023, 09:01
12 апр 2023, 09:016dca348
/*
 * dnode2.c - SCO UnixWare node functions for lsof
 *
 * This module must be separate to keep separate the multiple kernel inode
 * structure definitions.
 */

/*
 * Copyright 1996 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 1996 Purdue Research Foundation.\nAll rights reserved.\n";
#endif

#include "common.h"

#if defined(HASVXFS)

#    if UNIXWAREV < 70000
#        undef fs_bsize
#        undef IFMT
#        undef IFIFO
#        undef IFCHR
#        undef IFDIR
#        undef IFNAM
#        undef IFBLK
#        undef IFREG
#        undef IFLNK
#        undef ISUID
#        undef ISGID
#        undef ISVTX
#        undef IREAD
#        undef IWRITE
#        undef IEXEC
#        include <sys/fs/vx_inode.h>
#    else  /* UNIXWAREV>=70000 */
struct vx_inode {
    unsigned long d1[28];
    dev_t i_dev;
    unsigned long i_number;
    unsigned long d2[76];
    unsigned long i_nlink;
    unsigned long d3[2];
    unsigned long long i_size;
    unsigned long d4[8];
    dev_t i_rdev;
};
#    endif /* UNIXWAREV<70000 */
#endif     /* defined(HASVXFS) */

/*
 * readvxfslino() - read vxfs inode's local inode information
 */

int readvxfslino(struct lsof_context *ctx,
                 struct vnode *v, /* containing vnode */
                 struct l_ino *i) /* local inode information */
{

#if defined(HASVXFS)
    struct vx_inode vx;

    if (kread(ctx, (KA_T)v->v_data, (char *)&vx, sizeof(vx)))
        return (1);
    i->dev = vx.i_dev;
    i->dev_def = 1;
    i->nlink = (long)vx.i_nlink;
    i->nlink_def = 1;
    i->nm = (char *)NULL;
    i->number = (INODETYPE)vx.i_number;
    i->number_def = 1;
    if (v->v_type == VCHR) {
        i->rdev = vx.i_rdev;
        i->rdev_def = 1;
    } else {
        i->rdev = (dev_t)0;
        i->rdev_def = 0;
    }
    i->size = (SZOFFTYPE)vx.i_size;
    i->size_def = 1;
    return (0);
#else  /* !defined(HASVXFS) */
    return (1);
#endif /* defined(HASVXFS) */
}