external/gpl2/lvm2/dist/include/btree.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
   5  * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
   6  *
   7  * This file is part of LVM2.
   8  *
   9  * This copyrighted material is made available to anyone wishing to use,
  10  * modify, copy, or redistribute it subject to the terms and conditions
  11  * of the GNU Lesser General Public License v.2.1.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #ifndef _LVM_BTREE_H
  19 #define _LVM_BTREE_H
  20
  21 struct btree;
  22
  23 struct btree *btree_create(struct dm_pool *mem);
  24
  25 void *btree_lookup(const struct btree *t, uint32_t k);
  26 int btree_insert(struct btree *t, uint32_t k, void *data);
  27
  28 struct btree_iter;
  29 void *btree_get_data(const struct btree_iter *it);
  30
  31 struct btree_iter *btree_first(const struct btree *t);
  32 struct btree_iter *btree_next(const struct btree_iter *it);
  33
  34 #endif