diff options
Diffstat (limited to 'smtpd/tree.h')
| -rw-r--r-- | smtpd/tree.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/smtpd/tree.h b/smtpd/tree.h new file mode 100644 index 00000000..3d719f09 --- /dev/null +++ b/smtpd/tree.h @@ -0,0 +1,48 @@ +/* $OpenBSD: tree.h,v 1.1 2018/12/23 16:06:24 gilles Exp $ */ + +/* + * Copyright (c) 2013 Eric Faurot <eric@openbsd.org> + * Copyright (c) 2011 Gilles Chehade <gilles@poolp.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _TREE_H_ +#define _TREE_H_ + +SPLAY_HEAD(_tree, treeentry); + +struct tree { + struct _tree tree; + size_t count; +}; + + +/* tree.c */ +#define tree_init(t) do { SPLAY_INIT(&((t)->tree)); (t)->count = 0; } while(0) +#define tree_empty(t) SPLAY_EMPTY(&((t)->tree)) +#define tree_count(t) ((t)->count) +int tree_check(struct tree *, uint64_t); +void *tree_set(struct tree *, uint64_t, void *); +void tree_xset(struct tree *, uint64_t, void *); +void *tree_get(struct tree *, uint64_t); +void *tree_xget(struct tree *, uint64_t); +void *tree_pop(struct tree *, uint64_t); +void *tree_xpop(struct tree *, uint64_t); +int tree_poproot(struct tree *, uint64_t *, void **); +int tree_root(struct tree *, uint64_t *, void **); +int tree_iter(struct tree *, void **, uint64_t *, void **); +int tree_iterfrom(struct tree *, void **, uint64_t, uint64_t *, void **); +void tree_merge(struct tree *, struct tree *); + +#endif |