lib/libalpm/graph.h

   1 /*
   2  *  graph.h - helpful graph structure and setup/teardown methods
   3  *
   4  *  Copyright (c) 2007-2011 Pacman Development Team <pacman-dev@archlinux.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef _ALPM_GRAPH_H
  20 #define _ALPM_GRAPH_H
  21
  22 #include "config.h" /* ensure off_t is correct length */
  23
  24 #include <sys/types.h> /* off_t */
  25
  26 #include "alpm_list.h"
  27
  28 typedef struct __pmgraph_t {
  29         char state; /* 0: untouched, -1: entered, other: leaving time */
  30         off_t weight; /* weight of the node */
  31         void *data;
  32         struct __pmgraph_t *parent; /* where did we come from? */
  33         alpm_list_t *children;
  34         alpm_list_t *childptr; /* points to a child in children list */
  35 } pmgraph_t;
  36
  37 pmgraph_t *_alpm_graph_new(void);
  38 void _alpm_graph_free(void *data);
  39
  40 #endif /* _ALPM_GRAPH_H */
  41
  42 /* vim: set ts=2 sw=2 noet: */