1 #ifndef HEADER_CURL_SPLAY_H
2 #define HEADER_CURL_SPLAY_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1997 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 * SPDX-License-Identifier: curl
25 ***************************************************************************/
26 #include "curl_setup.h"
30 struct Curl_tree *smaller; /* smaller node */
31 struct Curl_tree *larger; /* larger node */
32 struct Curl_tree *samen; /* points to the next node with identical key */
33 struct Curl_tree *samep; /* points to the prev node with identical key */
34 struct curltime key; /* this node's "sort" key */
35 void *payload; /* data the splay code doesn't care about */
38 struct Curl_tree *Curl_splay(struct curltime i,
41 struct Curl_tree *Curl_splayinsert(struct curltime key,
43 struct Curl_tree *newnode);
45 struct Curl_tree *Curl_splaygetbest(struct curltime key,
47 struct Curl_tree **removed);
49 int Curl_splayremove(struct Curl_tree *t,
50 struct Curl_tree *removenode,
51 struct Curl_tree **newroot);
53 #define Curl_splaycomparekeys(i,j) ( ((i.tv_sec) < (j.tv_sec)) ? -1 : \
54 ( ((i.tv_sec) > (j.tv_sec)) ? 1 : \
55 ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \
56 ( ((i.tv_usec) > (j.tv_usec)) ? 1 : 0))))
58 #endif /* HEADER_CURL_SPLAY_H */