// Swarm library. Copyright © 1996-2000 Swarm Development Group.
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// 
// The Swarm Development Group can be reached via our website at:
// http://www.swarm.org/

/*
Name:         List_mlinks.m
Description:  implementation of doubly linked list with link from member
Library:      collections
*/

#import <collections/List_mlinks.h>
#import "List_GEN.m"
#define _CLASSDEFS_ \
 @implementation List_mlinks \
 @implementation ListIndex_mlinks
#undef _CLASSDEFS_

id <ListIndex>
beginMlinksList (id list, id <Zone> aZone)
{
  ListIndex_mlinks *newIndex;

  newIndex = COMPONENT_ALLOCIVARS (getCZone (aZone), id_ListIndex_mlinks);
  newIndex->collection = list;
  newIndex->link = (link_t) Start;
  newIndex->position = 0;
  return newIndex;
}

id
getFirstMlinksList (id list)
{
  return getMemberFromLink (((struct List_mlinks *) list)->firstLink,
                            ((struct List_mlinks *) list)->bits);
}
