#include <stdlib.h>

#include "ping/cli.h"
#include "internal/cli/messages.h"
#include "internal/ping/parse_utils.h"

int
cli_parse_destinations(int argc, char **argv, int first_arg,
		struct ping_config *config)
{
	if (first_arg >= argc)
		return error_missing_dest();

	config->nb_destinations = (size_t)(argc - first_arg);
	config->destinations = malloc(config->nb_destinations
			* sizeof(struct in_addr));
	if (NULL == config->destinations)
		return CLI_ERROR;

	for (int i = first_arg; i < argc; i++)
	{
		if (0 != cli_parse_inet_addr(argv[i], &config->destinations[i - first_arg]))
		{
			free(config->destinations);
			config->destinations = NULL;
			return error_invalid_dest();
		}
	}
	return CLI_SUCCESS;
}