Initial import

[samba] / source / include / adt_tree.h

diff --git a/source/include/adt_tree.h b/source/include/adt_tree.h
new file mode 100644 (file)
index 0000000..51b6fb1
--- /dev/null
+++ b/source/include/adt_tree.h
@@ -0,0 +1,68 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Generic Abstract Data Types
+ *  Copyright (C) Gerald Carter                     2002-2005.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef ADT_TREE_H
+#define ADT_TREE_H
+
+#ifndef _BOOL
+typedef int BOOL;
+#define _BOOL  
+#endif
+
+
+/* data structure used to build the tree */
+
+typedef struct _tree_node {
+       struct _tree_node       *parent;
+       struct _tree_node       **children;
+       int                     num_children;
+       char                    *key;
+       void                    *data_p;
+} TREE_NODE;
+
+typedef struct _tree_root {
+       TREE_NODE       *root;
+
+       /* not used currently (is it needed?) */
+       int             (*compare)(void* x, void *y);
+} SORTED_TREE;
+
+/* 
+ * API
+ */
+
+/* create a new tree, talloc_free() to throw it away */
+
+SORTED_TREE*  pathtree_init( void *data_p, int (cmp_fn)(void*, void*) );
+
+/* add a new path component */
+
+BOOL          pathtree_add( SORTED_TREE *tree, const char *path, void *data_p );
+
+/* search path */
+
+void*         pathtree_find( SORTED_TREE *tree, char *key );
+
+/* debug (print) functions */
+
+void          pathtree_print_keys( SORTED_TREE *tree, int debug );
+
+
+#endif