#include "internal/icmp_send.h"
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include <string.h>

int
send_set_socket_ttl(struct icmp_handle *h, uint8_t ttl)
{
	int ttl_val = ttl;

	if (setsockopt(h->fd, IPPROTO_IP, IP_TTL, &ttl_val, sizeof(ttl_val)) < 0)
	{
		int saved_errno = errno;
		icmp_set_error_fmt(h, ICMP_ERR_SOCKET, "Failed to set TTL: %s",
						strerror(saved_errno));
		return -1;
	}

	return 0;
}