1#ifndef __SPLAY_H 2#define __SPLAY_H 3/*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 1997 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 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 http://curl.haxx.se/docs/copyright.html. 15 * 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. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 ***************************************************************************/ 24 25struct Curl_tree { 26 struct Curl_tree *smaller; /* smaller node */ 27 struct Curl_tree *larger; /* larger node */ 28 struct Curl_tree *same; /* points to a node with identical key */ 29 struct timeval key; /* this node's "sort" key */ 30 void *payload; /* data the splay code doesn't care about */ 31}; 32 33struct Curl_tree *Curl_splay(struct timeval i, 34 struct Curl_tree *t); 35 36struct Curl_tree *Curl_splayinsert(struct timeval key, 37 struct Curl_tree *t, 38 struct Curl_tree *newnode); 39 40#if 0 41struct Curl_tree *Curl_splayremove(struct timeval key, 42 struct Curl_tree *t, 43 struct Curl_tree **removed); 44#endif 45 46struct Curl_tree *Curl_splaygetbest(struct timeval key, 47 struct Curl_tree *t, 48 struct Curl_tree **removed); 49 50int Curl_splayremovebyaddr(struct Curl_tree *t, 51 struct Curl_tree *removenode, 52 struct Curl_tree **newroot); 53 54#define Curl_splaycomparekeys(i,j) ( ((i.tv_sec) < (j.tv_sec)) ? -1 : \ 55 ( ((i.tv_sec) > (j.tv_sec)) ? 1 : \ 56 ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \ 57 ( ((i.tv_usec) > (j.tv_usec)) ? 1 : 0 )))) 58 59#ifdef DEBUGBUILD 60void Curl_splayprint(struct Curl_tree * t, int d, char output); 61#else 62#define Curl_splayprint(x,y,z) 63#endif 64 65#endif 66