1 #ifndef HEADER_CURL_SPLAY_H 2 #define HEADER_CURL_SPLAY_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 1997 - 2011, 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 #include "curl_setup.h" 25 26 struct Curl_tree { 27 struct Curl_tree *smaller; /* smaller node */ 28 struct Curl_tree *larger; /* larger node */ 29 struct Curl_tree *same; /* points to a node with identical key */ 30 struct timeval key; /* this node's "sort" key */ 31 void *payload; /* data the splay code doesn't care about */ 32 }; 33 34 struct Curl_tree *Curl_splay(struct timeval i, 35 struct Curl_tree *t); 36 37 struct Curl_tree *Curl_splayinsert(struct timeval key, 38 struct Curl_tree *t, 39 struct Curl_tree *newnode); 40 41 #if 0 42 struct Curl_tree *Curl_splayremove(struct timeval key, 43 struct Curl_tree *t, 44 struct Curl_tree **removed); 45 #endif 46 47 struct Curl_tree *Curl_splaygetbest(struct timeval key, 48 struct Curl_tree *t, 49 struct Curl_tree **removed); 50 51 int Curl_splayremovebyaddr(struct Curl_tree *t, 52 struct Curl_tree *removenode, 53 struct Curl_tree **newroot); 54 55 #define Curl_splaycomparekeys(i,j) ( ((i.tv_sec) < (j.tv_sec)) ? -1 : \ 56 ( ((i.tv_sec) > (j.tv_sec)) ? 1 : \ 57 ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \ 58 ( ((i.tv_usec) > (j.tv_usec)) ? 1 : 0 )))) 59 60 #ifdef DEBUGBUILD 61 void Curl_splayprint(struct Curl_tree * t, int d, char output); 62 #else 63 #define Curl_splayprint(x,y,z) Curl_nop_stmt 64 #endif 65 66 #endif /* HEADER_CURL_SPLAY_H */ 67