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Annotation of embedaddon/curl/lib/splay.h, revision 1.1.1.1

1.1       misho       1: #ifndef HEADER_CURL_SPLAY_H
                      2: #define HEADER_CURL_SPLAY_H
                      3: /***************************************************************************
                      4:  *                                  _   _ ____  _
                      5:  *  Project                     ___| | | |  _ \| |
                      6:  *                             / __| | | | |_) | |
                      7:  *                            | (__| |_| |  _ <| |___
                      8:  *                             \___|\___/|_| \_\_____|
                      9:  *
                     10:  * Copyright (C) 1997 - 2019, 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 https://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: #include "timeval.h"
                     26: 
                     27: struct Curl_tree {
                     28:   struct Curl_tree *smaller; /* smaller node */
                     29:   struct Curl_tree *larger;  /* larger node */
                     30:   struct Curl_tree *samen;   /* points to the next node with identical key */
                     31:   struct Curl_tree *samep;   /* points to the prev node with identical key */
                     32:   struct curltime key;        /* this node's "sort" key */
                     33:   void *payload;             /* data the splay code doesn't care about */
                     34: };
                     35: 
                     36: struct Curl_tree *Curl_splay(struct curltime i,
                     37:                              struct Curl_tree *t);
                     38: 
                     39: struct Curl_tree *Curl_splayinsert(struct curltime key,
                     40:                                    struct Curl_tree *t,
                     41:                                    struct Curl_tree *newnode);
                     42: 
                     43: #if 0
                     44: struct Curl_tree *Curl_splayremove(struct curltime key,
                     45:                                    struct Curl_tree *t,
                     46:                                    struct Curl_tree **removed);
                     47: #endif
                     48: 
                     49: struct Curl_tree *Curl_splaygetbest(struct curltime key,
                     50:                                     struct Curl_tree *t,
                     51:                                     struct Curl_tree **removed);
                     52: 
                     53: int Curl_splayremovebyaddr(struct Curl_tree *t,
                     54:                            struct Curl_tree *removenode,
                     55:                            struct Curl_tree **newroot);
                     56: 
                     57: #define Curl_splaycomparekeys(i,j) ( ((i.tv_sec)  < (j.tv_sec)) ? -1 : \
                     58:                                    ( ((i.tv_sec)  > (j.tv_sec)) ?  1 : \
                     59:                                    ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \
                     60:                                    ( ((i.tv_usec) > (j.tv_usec)) ?  1 : 0))))
                     61: 
                     62: #endif /* HEADER_CURL_SPLAY_H */