mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-10 03:25:01 -05:00
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
|
/*
|
||
|
|
* graph.c - helpful graph structure and setup/teardown methods
|
||
|
|
*
|
||
|
|
* Copyright (c) 2007-2011 Pacman Development Team <pacman-dev@archlinux.org>
|
||
|
|
*
|
||
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include "graph.h"
|
||
|
|
#include "util.h"
|
||
|
|
#include "log.h"
|
||
|
|
|
||
|
|
pmgraph_t *_alpm_graph_new(void)
|
||
|
|
{
|
||
|
|
pmgraph_t *graph = NULL;
|
||
|
|
|
||
|
|
CALLOC(graph, 1, sizeof(pmgraph_t), RET_ERR(PM_ERR_MEMORY, NULL));
|
||
|
|
return graph;
|
||
|
|
}
|
||
|
|
|
||
|
|
void _alpm_graph_free(void *data)
|
||
|
|
{
|
||
|
|
pmgraph_t *graph = data;
|
||
|
|
/* make my children forget about me */
|
||
|
|
for(alpm_list_t *i = graph->children; i; i = i->next) {
|
||
|
|
pmgraph_t *child = i->data;
|
||
|
|
child->parent = NULL;
|
||
|
|
}
|
||
|
|
alpm_list_free(graph->children);
|
||
|
|
/* and make my parents forget about me too */
|
||
|
|
if(graph->parent) {
|
||
|
|
alpm_list_t *me = alpm_list_find_ptr(graph->parent->children, &data);
|
||
|
|
graph->parent->children = alpm_list_remove_item(graph->parent->children,
|
||
|
|
me);
|
||
|
|
}
|
||
|
|
free(graph);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* vim: set ts=2 sw=2 noet: */
|