clear.c
1.34 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2004, 2005, 2007, 2008, 2010, 2011
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>
void
mu_list_clear (mu_list_t list)
{
struct list_data *current;
struct list_data *previous;
if (!list)
return;
mu_monitor_wrlock (list->monitor);
for (current = list->head.next; current != &list->head;)
{
previous = current;
current = current->next;
DESTROY_ITEM (list, previous);
free (previous);
}
list->head.next = list->head.prev = &list->head;
mu_monitor_unlock (list->monitor);
}