45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* graph.h - helpful graph structure and setup/teardown methods
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*
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* Copyright (c) 2007-2024 Pacman Development Team <pacman-dev@lists.archlinux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ALPM_GRAPH_H
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#define ALPM_GRAPH_H
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#include <sys/types.h> /* off_t */
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#include "alpm_list.h"
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enum _alpm_graph_vertex_state {
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ALPM_GRAPH_STATE_UNPROCESSED,
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ALPM_GRAPH_STATE_PROCESSING,
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ALPM_GRAPH_STATE_PROCESSED
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};
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typedef struct _alpm_graph_t {
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void *data;
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struct _alpm_graph_t *parent; /* where did we come from? */
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alpm_list_t *children;
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alpm_list_t *iterator; /* used for DFS without recursion */
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off_t weight; /* weight of the node */
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enum _alpm_graph_vertex_state state;
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} alpm_graph_t;
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alpm_graph_t *_alpm_graph_new(void);
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void _alpm_graph_free(void *data);
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#endif /* ALPM_GRAPH_H */
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