Replace gethostbyaddr() with getnameinfo() as getnameinfo() deprecates the former and allows programs to eliminate IPv4-versus-IPv6 dependencies
Signed-off-by: Shyam Saini <[email protected]> --- libxtables/xtables.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/libxtables/xtables.c b/libxtables/xtables.c index 6e75c15..e1512b1 100644 --- a/libxtables/xtables.c +++ b/libxtables/xtables.c @@ -1210,13 +1210,18 @@ const char *xtables_ipaddr_to_numeric(const struct in_addr *addrp) static const char *ipaddr_to_host(const struct in_addr *addr) { - struct hostent *host; + static char hostname[NI_MAXHOST]; + struct sockaddr_in saddr = { .sin_family = AF_INET, }; + saddr.sin_addr = *addr; + int err; - host = gethostbyaddr(addr, sizeof(struct in_addr), AF_INET); - if (host == NULL) - return NULL; - return host->h_name; + err = getnameinfo((const void *)&saddr, sizeof(struct sockaddr_in), + hostname, sizeof(hostname) - 1, NULL, 0, 0); + if (err != 0) + return NULL; + + return hostname; } static const char *ipaddr_to_network(const struct in_addr *addr) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
