/*
 * This file is part of RTRlib.
 *
 * This file is subject to the terms and conditions of the MIT license.
 * See the file LICENSE in the top level directory for more details.
 *
 * Website: http://rtrlib.realmv6.org/
 */

#include "rtrlib/lib/convert_byte_order_private.h"
#include "rtrlib/lib/ipv4_private.h"
#include "rtrlib/lib/utils_private.h"

#include <assert.h>
#include <stdio.h>

struct lrtr_ipv4_addr lrtr_ipv4_get_bits(const struct lrtr_ipv4_addr *val,
					 const uint8_t from,
					 const uint8_t quantity)
{
	struct lrtr_ipv4_addr result;

	result.addr = lrtr_get_bits(val->addr, from, quantity);
	return result;
}

int lrtr_ipv4_addr_to_str(const struct lrtr_ipv4_addr *ip,
			  char *str, unsigned int len)
{
	const uint8_t *t = (uint8_t *)&ip->addr;

	if (snprintf(str, len, "%hhu.%hhu.%hhu.%hhu",
		     t[3], t[2], t[1], t[0]) < 0)
		return -1;

	return 0;
}

int lrtr_ipv4_str_to_addr(const char *str, struct lrtr_ipv4_addr *ip)
{
	unsigned char *t =  (unsigned char *)&ip->addr;

	if (sscanf(str, "%3hhu.%3hhu.%3hhu.%3hhu",
		   &t[3], &t[2], &t[1], &t[0]) != 4)
		return -1;

	return 0;
}

bool lrtr_ipv4_addr_equal(const struct lrtr_ipv4_addr *a,
			  const struct lrtr_ipv4_addr *b)
{
	if (a->addr == b->addr)
		return true;

	return false;
}

void lrtr_ipv4_addr_convert_byte_order(const uint32_t src, uint32_t *dest,
				       const enum target_byte_order tbo)
{
	*dest = lrtr_convert_long(tbo, src);
}