summaryrefslogtreecommitdiff
path: root/node.c
diff options
context:
space:
mode:
authorPatrick McCarty <patrick.mccarty@linux.intel.com>2013-02-08 13:26:27 -0800
committerPatrick McCarty <patrick.mccarty@linux.intel.com>2013-02-08 13:26:27 -0800
commit9bb81f8a90ecc8b70c955bff72ec59dd3d9e5ae7 (patch)
tree881eebfa461e4f8aa6b6f44b96ac0decd3bc887a /node.c
downloadlsof-9bb81f8a90ecc8b70c955bff72ec59dd3d9e5ae7.tar.gz
lsof-9bb81f8a90ecc8b70c955bff72ec59dd3d9e5ae7.tar.bz2
lsof-9bb81f8a90ecc8b70c955bff72ec59dd3d9e5ae7.zip
Imported Upstream version 4.87upstream/4.87
Diffstat (limited to 'node.c')
-rw-r--r--node.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/node.c b/node.c
new file mode 100644
index 0000000..2ba020c
--- /dev/null
+++ b/node.c
@@ -0,0 +1,258 @@
+/*
+ * 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) */