1*fd4beb3eSgilles /* $OpenBSD: tree.h,v 1.1 2018/12/23 16:06:24 gilles Exp $ */ 2*fd4beb3eSgilles 3*fd4beb3eSgilles /* 4*fd4beb3eSgilles * Copyright (c) 2013 Eric Faurot <eric@openbsd.org> 5*fd4beb3eSgilles * Copyright (c) 2011 Gilles Chehade <gilles@poolp.org> 6*fd4beb3eSgilles * 7*fd4beb3eSgilles * Permission to use, copy, modify, and distribute this software for any 8*fd4beb3eSgilles * purpose with or without fee is hereby granted, provided that the above 9*fd4beb3eSgilles * copyright notice and this permission notice appear in all copies. 10*fd4beb3eSgilles * 11*fd4beb3eSgilles * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12*fd4beb3eSgilles * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13*fd4beb3eSgilles * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14*fd4beb3eSgilles * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15*fd4beb3eSgilles * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16*fd4beb3eSgilles * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17*fd4beb3eSgilles * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18*fd4beb3eSgilles */ 19*fd4beb3eSgilles 20*fd4beb3eSgilles #ifndef _TREE_H_ 21*fd4beb3eSgilles #define _TREE_H_ 22*fd4beb3eSgilles 23*fd4beb3eSgilles SPLAY_HEAD(_tree, treeentry); 24*fd4beb3eSgilles 25*fd4beb3eSgilles struct tree { 26*fd4beb3eSgilles struct _tree tree; 27*fd4beb3eSgilles size_t count; 28*fd4beb3eSgilles }; 29*fd4beb3eSgilles 30*fd4beb3eSgilles 31*fd4beb3eSgilles /* tree.c */ 32*fd4beb3eSgilles #define tree_init(t) do { SPLAY_INIT(&((t)->tree)); (t)->count = 0; } while(0) 33*fd4beb3eSgilles #define tree_empty(t) SPLAY_EMPTY(&((t)->tree)) 34*fd4beb3eSgilles #define tree_count(t) ((t)->count) 35*fd4beb3eSgilles int tree_check(struct tree *, uint64_t); 36*fd4beb3eSgilles void *tree_set(struct tree *, uint64_t, void *); 37*fd4beb3eSgilles void tree_xset(struct tree *, uint64_t, void *); 38*fd4beb3eSgilles void *tree_get(struct tree *, uint64_t); 39*fd4beb3eSgilles void *tree_xget(struct tree *, uint64_t); 40*fd4beb3eSgilles void *tree_pop(struct tree *, uint64_t); 41*fd4beb3eSgilles void *tree_xpop(struct tree *, uint64_t); 42*fd4beb3eSgilles int tree_poproot(struct tree *, uint64_t *, void **); 43*fd4beb3eSgilles int tree_root(struct tree *, uint64_t *, void **); 44*fd4beb3eSgilles int tree_iter(struct tree *, void **, uint64_t *, void **); 45*fd4beb3eSgilles int tree_iterfrom(struct tree *, void **, uint64_t, uint64_t *, void **); 46*fd4beb3eSgilles void tree_merge(struct tree *, struct tree *); 47*fd4beb3eSgilles 48*fd4beb3eSgilles #endif 49