/*

 * 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.

 */

#include "offmap.h"

__KHASH_IMPL(off, static kh_inline, git_off_t, void *, 1, kh_int64_hash_func, kh_int64_hash_equal)

git_offmap *git_offmap_alloc(void)

{

	return kh_init(off);

}

void git_offmap_free(git_offmap *map)

{

	kh_destroy(off, map);

}

void git_offmap_clear(git_offmap *map)

{

	kh_clear(off, map);

}

size_t git_offmap_num_entries(git_offmap *map)

{

	return kh_size(map);

}

size_t git_offmap_lookup_index(git_offmap *map, const git_off_t key)

{

	return kh_get(off, map, key);

}

int git_offmap_valid_index(git_offmap *map, size_t idx)

{

	return idx != kh_end(map);

}

int git_offmap_exists(git_offmap *map, const git_off_t key)

{

	return kh_get(off, map, key) != kh_end(map);

}

void *git_offmap_value_at(git_offmap *map, size_t idx)

{

	return kh_val(map, idx);

}

void git_offmap_set_value_at(git_offmap *map, size_t idx, void *value)

{

	kh_val(map, idx) = value;

}

void git_offmap_delete_at(git_offmap *map, size_t idx)

{

	kh_del(off, map, idx);

}

int git_offmap_put(git_offmap *map, const git_off_t key, int *err)

{

	return kh_put(off, map, key, err);

}

void git_offmap_insert(git_offmap *map, const git_off_t key, void *value, int *rval)

{

	khiter_t idx = kh_put(off, map, key, rval);

	if ((*rval) >= 0) {

		if ((*rval) == 0)

			kh_key(map, idx) = key;

		kh_val(map, idx) = value;

	}

}

void git_offmap_delete(git_offmap *map, const git_off_t key)

{

	khiter_t idx = git_offmap_lookup_index(map, key);

	if (git_offmap_valid_index(map, idx))

		git_offmap_delete_at(map, idx);

}