42-archive/nmap/libft/srcs/net/host.c
2017-10-08 21:30:28 +02:00

31 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* host.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/10/08 15:47:45 by jhalford #+# #+# */
/* Updated: 2017/10/08 15:58:30 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "net.h"
int host_format(struct sockaddr *addr)
{
char dn[1024];
char sv[20];
char ip[INET_ADDRSTRLEN];
if (getnameinfo(addr, sizeof(*addr), dn, sizeof(dn),
sv, sizeof(sv), 0))
{
perror("getnameinfo");
return (1);
}
printf(" %s (%s)", dn,
inet_ntop(AF_INET, &(((struct sockaddr_in*)addr)->sin_addr),
ip, INET_ADDRSTRLEN));
return (0);
}