68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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link.c
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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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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] =
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"$Id$";
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#include "QF/link.h"
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// ClearLink is used for new headnodes
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VISIBLE void
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ClearLink (link_t *l)
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{
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l->prev = l->next = l;
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}
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VISIBLE void
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RemoveLink (link_t *l)
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{
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l->next->prev = l->prev;
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l->prev->next = l->next;
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}
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VISIBLE void
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InsertLinkBefore (link_t *l, link_t *before)
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{
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l->next = before;
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l->prev = before->prev;
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l->prev->next = l;
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l->next->prev = l;
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}
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VISIBLE void
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InsertLinkAfter (link_t *l, link_t *after)
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{
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l->next = after->next;
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l->prev = after;
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l->prev->next = l;
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l->next->prev = l;
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}
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