forked from osmocom/wireshark
139 lines
2.9 KiB
C
139 lines
2.9 KiB
C
/* wmem_slist.c
|
|
* Wireshark Memory Manager Singly-Linked List
|
|
* Copyright 2012, Evan Huus <eapache@gmail.com>
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* 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 of the License, 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.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <glib.h>
|
|
|
|
#include "wmem_core.h"
|
|
#include "wmem_slist.h"
|
|
|
|
struct _wmem_slist_frame_t {
|
|
struct _wmem_slist_frame_t *next;
|
|
void *data;
|
|
};
|
|
|
|
struct _wmem_slist_t {
|
|
guint count;
|
|
wmem_slist_frame_t *front;
|
|
wmem_allocator_t *allocator;
|
|
};
|
|
|
|
guint
|
|
wmem_slist_count(const wmem_slist_t *slist)
|
|
{
|
|
return slist->count;
|
|
}
|
|
|
|
wmem_slist_frame_t *
|
|
wmem_slist_front(const wmem_slist_t *slist)
|
|
{
|
|
return slist->front;
|
|
}
|
|
|
|
wmem_slist_frame_t *
|
|
wmem_slist_frame_next(const wmem_slist_frame_t *frame)
|
|
{
|
|
return frame->next;
|
|
}
|
|
|
|
void *
|
|
wmem_slist_frame_data(const wmem_slist_frame_t *frame)
|
|
{
|
|
return frame->data;
|
|
}
|
|
|
|
static wmem_slist_frame_t **
|
|
wmem_slist_find(wmem_slist_t *slist, void *data)
|
|
{
|
|
wmem_slist_frame_t **cur;
|
|
|
|
cur = &(slist->front);
|
|
|
|
while (*cur && (*cur)->data != data) {
|
|
cur = &((*cur)->next);
|
|
}
|
|
|
|
return cur;
|
|
}
|
|
|
|
void
|
|
wmem_slist_remove(wmem_slist_t *slist, void *data)
|
|
{
|
|
wmem_slist_frame_t *frame;
|
|
wmem_slist_frame_t **link;
|
|
|
|
link = wmem_slist_find(slist, data);
|
|
frame = *link;
|
|
|
|
if (frame == NULL) {
|
|
return;
|
|
}
|
|
|
|
*link = frame->next;
|
|
slist->count--;
|
|
wmem_free(slist->allocator, frame);
|
|
}
|
|
|
|
void
|
|
wmem_slist_prepend(wmem_slist_t *slist, void *data)
|
|
{
|
|
wmem_slist_frame_t *new;
|
|
|
|
new = wmem_new(slist->allocator, wmem_slist_frame_t);
|
|
|
|
new->data = data;
|
|
new->next = slist->front;
|
|
|
|
slist->front = new;
|
|
slist->count++;
|
|
}
|
|
|
|
wmem_slist_t *
|
|
wmem_slist_new(wmem_allocator_t *allocator)
|
|
{
|
|
wmem_slist_t *slist;
|
|
|
|
slist = (wmem_slist_t *) wmem_alloc(allocator, sizeof(wmem_slist_t));
|
|
|
|
slist->count = 0;
|
|
slist->front = NULL;
|
|
slist->allocator = allocator;
|
|
|
|
return slist;
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|