2 * graph.h - helpful graph structure and setup/teardown methods
4 * Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
5 * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include <sys/types.h> /* off_t */
23 #include "alpm_list.h"
24 #include "util.h" /* CALLOC() */
27 char state
; /* 0: untouched, -1: entered, other: leaving time */
29 off_t weight
; /* weight of the node */
30 struct __pmgraph_t
*parent
; /* where did we come from? */
31 alpm_list_t
*children
;
32 alpm_list_t
*childptr
; /* points to a child in children list */
34 typedef struct __pmgraph_t pmgraph_t
;
36 static pmgraph_t
*_alpm_graph_new(void)
38 pmgraph_t
*graph
= NULL
;
40 CALLOC(graph
, 1, sizeof(pmgraph_t
), RET_ERR(PM_ERR_MEMORY
, NULL
));
44 static void _alpm_graph_free(void *data
)
46 pmgraph_t
*graph
= data
;
47 alpm_list_free(graph
->children
);