xref: /dflybsd-src/contrib/lvm2/dist/lib/datastruct/btree.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino /*	$NetBSD: btree.h,v 1.1.1.1 2008/12/22 00:17:54 haad Exp $	*/
286d7f5d3SJohn Marino 
386d7f5d3SJohn Marino /*
486d7f5d3SJohn Marino  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
586d7f5d3SJohn Marino  * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
686d7f5d3SJohn Marino  *
786d7f5d3SJohn Marino  * This file is part of LVM2.
886d7f5d3SJohn Marino  *
986d7f5d3SJohn Marino  * This copyrighted material is made available to anyone wishing to use,
1086d7f5d3SJohn Marino  * modify, copy, or redistribute it subject to the terms and conditions
1186d7f5d3SJohn Marino  * of the GNU Lesser General Public License v.2.1.
1286d7f5d3SJohn Marino  *
1386d7f5d3SJohn Marino  * You should have received a copy of the GNU Lesser General Public License
1486d7f5d3SJohn Marino  * along with this program; if not, write to the Free Software Foundation,
1586d7f5d3SJohn Marino  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
1686d7f5d3SJohn Marino  */
1786d7f5d3SJohn Marino 
1886d7f5d3SJohn Marino #ifndef _LVM_BTREE_H
1986d7f5d3SJohn Marino #define _LVM_BTREE_H
2086d7f5d3SJohn Marino 
2186d7f5d3SJohn Marino struct btree;
2286d7f5d3SJohn Marino 
2386d7f5d3SJohn Marino struct btree *btree_create(struct dm_pool *mem);
2486d7f5d3SJohn Marino 
2586d7f5d3SJohn Marino void *btree_lookup(const struct btree *t, uint32_t k);
2686d7f5d3SJohn Marino int btree_insert(struct btree *t, uint32_t k, void *data);
2786d7f5d3SJohn Marino 
2886d7f5d3SJohn Marino struct btree_iter;
2986d7f5d3SJohn Marino void *btree_get_data(const struct btree_iter *it);
3086d7f5d3SJohn Marino 
3186d7f5d3SJohn Marino struct btree_iter *btree_first(const struct btree *t);
3286d7f5d3SJohn Marino struct btree_iter *btree_next(const struct btree_iter *it);
3386d7f5d3SJohn Marino 
3486d7f5d3SJohn Marino #endif
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