gambas-source-code/main/share/gb_list_temp.h
Benoît Minisini b225eba20f [CONFIGURATION]
* NEW: Update copyright year in all source files.


git-svn-id: svn://localhost/gambas/trunk@8056 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2017-01-13 03:29:42 +00:00

90 lines
1.9 KiB
C

/***************************************************************************
gb_list_temp.h
(c) 2000-2017 Benoît Minisini <gambas@users.sourceforge.net>
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, 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __GB_LIST_C
#include "gb_common.h"
#include "gb_list.h"
/*#define DEBUG*/
#define TO_LIST(_node) ((LIST *)(((char *)_node) + ((char *)list - (char *)node)))
void LIST_insert(void *p_first, void *node, LIST *list)
{
void **first = (void **)p_first;
void *last;
if (*first == NULL)
{
*first = node;
list->prev = node;
list->next = NULL;
return;
}
last = TO_LIST(*first)->prev;
TO_LIST(last)->next = node;
list->prev = last;
list->next = NULL;
TO_LIST(*first)->prev = node;
}
void LIST_remove(void *p_first, void *node, LIST *list)
{
void **first = (void **)p_first;
void *next, *prev, *last;
next = list->next;
prev = list->prev;
if (*first == node)
{
if (next)
TO_LIST(next)->prev = prev;
*first = next;
}
else
{
last = TO_LIST(*first)->prev;
if (node == last)
TO_LIST(*first)->prev = prev;
if (prev)
TO_LIST(prev)->next = next;
if (next)
TO_LIST(next)->prev = prev;
}
list->prev = NULL;
list->next = NULL;
}