#ifndef HASH_H
#define HASH_H

#include "hash-ll.h"
#include "repository.h"

#define the_hash_algo the_repository->hash_algo

static inline int oidcmp(const struct object_id *oid1, const struct object_id *oid2)
{
	const struct git_hash_algo *algop;
	if (!oid1->algo)
		algop = the_hash_algo;
	else
		algop = &hash_algos[oid1->algo];
	return hashcmp(oid1->hash, oid2->hash, algop);
}

static inline int oideq(const struct object_id *oid1, const struct object_id *oid2)
{
	const struct git_hash_algo *algop;
	if (!oid1->algo)
		algop = the_hash_algo;
	else
		algop = &hash_algos[oid1->algo];
	return hasheq(oid1->hash, oid2->hash, algop);
}

static inline int is_null_oid(const struct object_id *oid)
{
	return oideq(oid, null_oid());
}

static inline int is_empty_blob_oid(const struct object_id *oid)
{
	return oideq(oid, the_hash_algo->empty_blob);
}

static inline int is_empty_tree_oid(const struct object_id *oid)
{
	return oideq(oid, the_hash_algo->empty_tree);
}

#endif