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/*
* node.c - common node reading functions for lsof
*/
/*
* Copyright 1994 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";
static char *rcsid = "$Id: node.c,v 1.5 2000/08/01 17:08:05 abe Exp $";
#endif
#include "lsof.h"
/*
* print_kptr() - print kernel pointer
*/
char *
print_kptr(kp, buf, bufl)
KA_T kp; /* kernel pointer address */
char *buf; /* optional destination buffer */
size_t bufl; /* size of buf[] */
{
static char dbuf[32];
(void) snpf(buf ? buf : dbuf,
buf ? bufl : sizeof(dbuf),
KA_T_FMT_X, kp);
return(buf ? buf : dbuf);
}
#if defined(HASCDRNODE)
/*
* readcdrnode() - read CD-ROM node
*/
int
readcdrnode(ca, c)
KA_T ca; /* cdrnode kernel address */
struct cdrnode *c; /* cdrnode buffer */
{
if (kread((KA_T)ca, (char *)c, sizeof(struct cdrnode))) {
(void) snpf(Namech, Namechl, "can't read cdrnode at %s",
print_kptr(ca, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASCDRNODE) */
#if defined(HASFIFONODE)
/*
* readfifonode() - read fifonode
*/
int
readfifonode(fa, f)
KA_T fa; /* fifonode kernel address */
struct fifonode *f; /* fifonode buffer */
{
if (kread((KA_T)fa, (char *)f, sizeof(struct fifonode))) {
(void) snpf(Namech, Namechl, "can't read fifonode at %s",
print_kptr(fa, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASFIFONODE) */
#if defined(HASGNODE)
/*
* readgnode() - read gnode
*/
int
readgnode(ga, g)
KA_T ga; /* gnode kernel address */
struct gnode *g; /* gnode buffer */
{
if (kread((KA_T)ga, (char *)g, sizeof(struct gnode))) {
(void) snpf(Namech, Namechl, "can't read gnode at %s",
print_kptr(ga, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASGNODE) */
#if defined(HASHSNODE)
/*
* readhsnode() - read High Sierra file system node
*/
int
readhsnode(ha, h)
KA_T ha; /* hsnode kernel address */
struct hsnode *h; /* hsnode buffer */
{
if (kread((KA_T)ha, (char *)h, sizeof(struct hsnode))) {
(void) snpf(Namech, Namechl, "can't read hsnode at %s",
print_kptr(ha, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASHSNODE) */
#if defined(HASINODE)
/*
* readinode() - read inode
*/
int
readinode(ia, i)
KA_T ia; /* inode kernel address */
struct inode *i; /* inode buffer */
{
if (kread((KA_T)ia, (char *)i, sizeof(struct inode))) {
(void) snpf(Namech, Namechl, "can't read inode at %s",
print_kptr(ia, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASINODE) */
#if defined(HASPIPENODE)
/*
* readpipenode() - read pipe node
*/
int
readpipenode(pa, p)
KA_T pa; /* pipe node kernel address */
struct pipenode *p; /* pipe node buffer */
{
if (kread((KA_T)pa, (char *)p, sizeof(struct pipenode))) {
(void) snpf(Namech, Namechl, "can't read pipenode at %s",
print_kptr(pa, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASPIPENODE) */
#if defined(HASRNODE)
/*
* readrnode() - read rnode
*/
int
readrnode(ra, r)
KA_T ra; /* rnode kernel space address */
struct rnode *r; /* rnode buffer pointer */
{
if (kread((KA_T)ra, (char *)r, sizeof(struct rnode))) {
(void) snpf(Namech, Namechl, "can't read rnode at %s",
print_kptr(ra, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASRNODE) */
#if defined(HASSNODE)
/*
* readsnode() - read snode
*/
int
readsnode(sa, s)
KA_T sa; /* snode kernel space address */
struct snode *s; /* snode buffer pointer */
{
if (kread((KA_T)sa, (char *)s, sizeof(struct snode))) {
(void) snpf(Namech, Namechl, "can't read snode at %s",
print_kptr(sa, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASSNODE) */
#if defined(HASTMPNODE)
/*
* readtnode() - read tmpnode
*/
int
readtnode(ta, t)
KA_T ta; /* tmpnode kernel space address */
struct tmpnode *t; /* tmpnode buffer pointer */
{
if (kread((KA_T)ta, (char *)t, sizeof(struct tmpnode))) {
(void) snpf(Namech, Namechl, "can't read tmpnode at %s",
print_kptr(ta, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASTMPNODE) */
#if defined(HASVNODE)
/*
* readvnode() - read vnode
*/
int
readvnode(va, v)
KA_T va; /* vnode kernel space address */
struct vnode *v; /* vnode buffer pointer */
{
if (kread((KA_T)va, (char *)v, sizeof(struct vnode))) {
(void) snpf(Namech, Namechl, "can't read vnode at %s",
print_kptr(va, (char *)NULL, 0));
return(1);
}
return(0);
}
#endif /* defined(HASVNODE) */