#include "config.h"

#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#include <siphashbs.h>

#include "hash.h"
#include "logerr.h"
#include "tree.h"
#include "util.h"
#include "vector.h"

#include "set.h"



struct Set {
	const struct Vector *table;
	const size_t value_size;
	size_t count;
};



int
set_new(const size_t value_size, const struct Set **const out) {
	int rc = -1;

	const struct Set *ret = NULL;
	const struct Vector *table = NULL;

	ret = malloc(sizeof(*ret));
	if (ret == NULL) {
		logerr("malloc(): %s", strerror(errno));
		goto out;
	}

	if (vector_new(sizeof(struct Tree *), &table)) {
		logerr("vector_new()");
		goto out;
	}

	memcpy((void *)ret, &(struct Set) {
		.table      = table,
		.value_size = value_size,
		.count      = 0U,
	}, sizeof(*ret));
	*out = ret;
	rc = 0;
out:
	if (rc) {
		if (table != NULL) {
			vector_free(&table);
		}
		if (ret != NULL) {
			freeit((void *)&ret);
		}
	}
	return rc;
}

void
set_free(const struct Set **const s) {
	assert((*s) != NULL);
	const struct Vector *table = (*s)->table;
	vector_free(&table);
	freeit((void *)s);
}