2001-02-19 21:15:25 +00:00
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/*
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link.h
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifndef _LINK_H
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#define _LINK_H
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// (type *)STRUCT_FROM_LINK(link_t *link, type, member)
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// ent = STRUCT_FROM_LINK(link,entity_t,order)
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// FIXME: remove this mess!
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2007-04-04 07:48:14 +00:00
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#define STRUCT_FROM_LINK(l,t,m) ((t *)((byte *)l - (intptr_t)&(((t *)0)->m)))
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2001-02-19 21:15:25 +00:00
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typedef struct link_s
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{
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struct link_s *prev, *next;
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} link_t;
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void ClearLink (link_t *l);
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void RemoveLink (link_t *l);
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void InsertLinkBefore (link_t *l, link_t *before);
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void InsertLinkAfter (link_t *l, link_t *after);
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#endif // _LINK_H
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