/*

 * Copyright (C) the libgit2 contributors. All rights reserved.

 *

 * This file is part of libgit2, distributed under the GNU GPL v2 with

 * a Linking Exception. For full terms see the included COPYING file.

 */

#ifndef INCLUDE_commit_list_h__

#define INCLUDE_commit_list_h__

#include "git2/oid.h"

#define PARENT1  (1 << 0)

#define PARENT2  (1 << 1)

#define RESULT   (1 << 2)

#define STALE    (1 << 3)

#define ALL_FLAGS (PARENT1 | PARENT2 | STALE | RESULT)

#define PARENTS_PER_COMMIT	2

#define COMMIT_ALLOC \

	(sizeof(git_commit_list_node) + PARENTS_PER_COMMIT * sizeof(git_commit_list_node *))

#define FLAG_BITS 4

typedef struct git_commit_list_node {

	git_oid oid;

	int64_t time;

	unsigned int seen:1,

			 uninteresting:1,

			 topo_delay:1,

			 parsed:1,

			 added:1,

			 flags : FLAG_BITS;

	unsigned short in_degree;

	unsigned short out_degree;

	struct git_commit_list_node **parents;

} git_commit_list_node;

typedef struct git_commit_list {

	git_commit_list_node *item;

	struct git_commit_list *next;

} git_commit_list;

git_commit_list_node *git_commit_list_alloc_node(git_revwalk *walk);

int git_commit_list_time_cmp(const void *a, const void *b);

void git_commit_list_free(git_commit_list **list_p);

git_commit_list *git_commit_list_insert(git_commit_list_node *item, git_commit_list **list_p);

git_commit_list *git_commit_list_insert_by_date(git_commit_list_node *item, git_commit_list **list_p);

int git_commit_list_parse(git_revwalk *walk, git_commit_list_node *commit);

git_commit_list_node *git_commit_list_pop(git_commit_list **stack);

#endif