src/lib/enet/enetlist.pp

   1 {$mode objfpc}{$H+}
   2 unit enetlist;
   3
   4 {
   5   ENet - Reliable UDP networking library
   6
   7   FreePascal DLL header: enetlist.pp
   8   Copyright (c) 2015 Dmitry D. Chernov aka Black Doomer
   9
  10   Original file: list.h
  11   Copyright (c) 2002-2014 Lee Salzman
  12
  13   Version 1 for 1.3.12: 25.02.2015
  14
  15   Permission is hereby granted, free of charge, to any person obtaining a copy
  16   of this software and associated documentation files (the "Software"), to deal
  17   in the Software without restriction, including without limitation the rights
  18   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  19   copies of the Software, and to permit persons to whom the Software is
  20   furnished to do so, subject to the following conditions:
  21
  22   The above copyright notice and this permission notice shall be included in all
  23   copies or substantial portions of the Software.
  24
  25   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  26   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  27   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  28   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  29   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  30   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31   SOFTWARE.
  32 }
  33
  34 interface
  35
  36 type
  37
  38 {$PACKRECORDS C}
  39
  40   pENetListNode = ^ENetListNode;
  41   ENetListNode = record
  42     next     : pENetListNode;
  43     previous : pENetListNode;
  44   end;
  45
  46   ENetListIterator = pENetListNode;
  47
  48   pENetList = ^TENetList;
  49   TENetList = record
  50     sentinel : ENetListNode;
  51   end;
  52
  53 {$PACKRECORDS DEFAULT}
  54
  55 //inline macros
  56 function enet_list_begin( list: pENetList ): ENetListIterator; inline;
  57 function enet_list_end( list: pENetList ): ENetListIterator; inline;
  58
  59 function enet_list_empty( list: pENetList ): Boolean; inline;
  60
  61 function enet_list_next( iterator: ENetListIterator ): ENetListIterator; inline;
  62 function enet_list_previous( iterator: ENetListIterator ): ENetListIterator; inline;
  63
  64 function enet_list_front( list: pENetList ): Pointer; inline;
  65 function enet_list_back( list: pENetList ): Pointer; inline;
  66
  67 implementation
  68
  69 function enet_list_begin( list: pENetList ): ENetListIterator; inline;
  70    begin Result := list^.sentinel.next;
  71      end;
  72 function enet_list_end( list: pENetList ): ENetListIterator; inline;
  73    begin Result := @( list^.sentinel );
  74      end;
  75
  76 function enet_list_empty( list: pENetList ): Boolean; inline;
  77    begin Result := enet_list_begin(list) = enet_list_end(list);
  78      end;
  79
  80 function enet_list_next( iterator: ENetListIterator ): ENetListIterator; inline;
  81    begin Result := iterator^.next;
  82      end;
  83 function enet_list_previous( iterator: ENetListIterator ): ENetListIterator; inline;
  84    begin Result := iterator^.previous;
  85      end;
  86
  87 function enet_list_front( list: pENetList ): Pointer; inline;
  88    begin Result := Pointer( list^.sentinel.next );
  89      end;
  90 function enet_list_back( list: pENetList ): Pointer; inline;
  91    begin Result := Pointer( list^.sentinel.previous );
  92      end;
  93
  94 end.