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