CMakeLua/Utilities/cmcurl-7.19.0/lib/splay.h

   1 #ifndef __SPLAY_H
   2 #define __SPLAY_H
   3 /***************************************************************************
   4  *                                  _   _ ____  _
   5  *  Project                     ___| | | |  _ \| |
   6  *                             / __| | | | |_) | |
   7  *                            | (__| |_| |  _ <| |___
   8  *                             \___|\___/|_| \_\_____|
   9  *
  10  * Copyright (C) 1997 - 2008, 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  * $Id: splay.h,v 1.1.1.1 2008-09-23 16:32:05 hoffman Exp $
  24  ***************************************************************************/
  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 CURLDEBUG
  61 void Curl_splayprint(struct Curl_tree * t, int d, char output);
  62 #else
  63 #define Curl_splayprint(x,y,z)
  64 #endif
  65
  66 #endif