#ifndef __SPLAY_H #define __SPLAY_H /*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1997 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at http://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ***************************************************************************/ struct Curl_tree { struct Curl_tree *smaller; /* smaller node */ struct Curl_tree *larger; /* larger node */ struct Curl_tree *same; /* points to a node with identical key */ struct timeval key; /* this node's "sort" key */ void *payload; /* data the splay code doesn't care about */ }; struct Curl_tree *Curl_splay(struct timeval i, struct Curl_tree *t); struct Curl_tree *Curl_splayinsert(struct timeval key, struct Curl_tree *t, struct Curl_tree *newnode); #if 0 struct Curl_tree *Curl_splayremove(struct timeval key, struct Curl_tree *t, struct Curl_tree **removed); #endif struct Curl_tree *Curl_splaygetbest(struct timeval key, struct Curl_tree *t, struct Curl_tree **removed); int Curl_splayremovebyaddr(struct Curl_tree *t, struct Curl_tree *removenode, struct Curl_tree **newroot); #define Curl_splaycomparekeys(i,j) ( ((i.tv_sec) < (j.tv_sec)) ? -1 : \ ( ((i.tv_sec) > (j.tv_sec)) ? 1 : \ ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \ ( ((i.tv_usec) > (j.tv_usec)) ? 1 : 0 )))) #ifdef DEBUGBUILD void Curl_splayprint(struct Curl_tree * t, int d, char output); #else #define Curl_splayprint(x,y,z) #endif #endif