OpenSolaris Launch

1 files changed, 85 insertions, 0 deletions

diff --git a/usr/src/lib/libcmdutils/libcmdutils.h b/usr/src/lib/libcmdutils/libcmdutils.h
new file mode 100644
index 0000000000..28a9e996d4
--- /dev/null
+++ b/usr/src/lib/libcmdutils/libcmdutils.h
@@ -0,0 +1,85 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Declarations for the functions in libcmdutils.
+ */
+
+#ifndef	_LIBCMDUTILS_H
+#define	_LIBCMDUTILS_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * This is a private header file.  Applications should not directly include
+ * this file.
+ */
+
+#include <sys/avl.h>
+#include <sys/types.h>
+#include <stdlib.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* avltree */
+#define	OFFSETOF(s, m)	((size_t)(&(((s *)0)->m)))
+
+/* Type used for a node containing a device id and inode number */
+typedef struct tree_node {
+	dev_t		node_dev;
+	ino_t		node_ino;
+	avl_node_t	avl_link;
+} tree_node_t;
+
+/*
+ * Used to compare two nodes.  We are attempting to match the 1st
+ * argument (node) against the 2nd argument (a node which
+ * is already in the search tree).
+ */
+extern int tnode_compare(const void *, const void *);
+
+/*
+ * Used to add a single node (containing the input device id and
+ * inode number) to the specified search tree.  The calling
+ * application must set the tree pointer to NULL before calling
+ * add_tnode() for the first time.
+ */
+extern int add_tnode(avl_tree_t **, dev_t, ino_t);
+
+/*
+ * Used to destroy a whole tree (all nodes) without rebalancing.
+ * The calling application is responsible for setting the tree
+ * pointer to NULL upon return.
+ */
+extern void destroy_tree(avl_tree_t *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _LIBCMDUTILS_H */