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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2001, 2004-2005, 2007-2008, 2010-2012 Free
Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <mailutils/sys/list.h>
#include <mailutils/errno.h>
int
_mu_list_insert_item (mu_list_t list, struct list_data *current,
void *new_item,
int insert_before)
{
int status;
struct list_data *ldata = calloc (sizeof (*ldata), 1);
if (ldata == NULL)
status = ENOMEM;
else
{
ldata->item = new_item;
_mu_list_insert_sublist (list, current,
ldata, ldata,
1,
insert_before);
status = 0;
}
return status;
}
int
mu_list_insert (mu_list_t list, void *item, void *new_item, int insert_before)
{
struct list_data *current;
mu_list_comparator_t comp;
int status = MU_ERR_NOENT;
if (list == NULL)
return EINVAL;
comp = list->comp ? list->comp : _mu_list_ptr_comparator;
mu_monitor_wrlock (list->monitor);
for (current = list->head.next;
current != &list->head;
current = current->next)
{
if (comp (current->item, item) == 0)
{
status = _mu_list_insert_item (list, current, new_item,
insert_before);
break;
}
}
mu_monitor_unlock (list->monitor);
return status;
}
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