commit c5932dc918040504880258e777c9428331269291
Author: Jan Synacek <jsynacek@redhat.com>
Date:   Wed Feb 22 10:29:33 2017 +0100

    fix multicast setsockopt calls on big endian
    
    Originally reported at https://bugzilla.redhat.com/show_bug.cgi?id=1373333.

diff --git a/ping.c b/ping.c
index 6f67d2d..45cca8d 100644
--- a/ping.c
+++ b/ping.c
@@ -850,14 +850,14 @@ int ping4_run(int argc, char **argv, struct addrinfo *ai, socket_st *sock)
 
 	if (options & F_NOLOOP) {
 		int loop = 0;
-		if (setsockopt(sock->fd, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, 1) == -1) {
+		if (setsockopt(sock->fd, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof loop) == -1) {
 			perror ("ping: can't disable multicast loopback");
 			exit(2);
 		}
 	}
 	if (options & F_TTL) {
 		int ittl = ttl;
-		if (setsockopt(sock->fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, 1) == -1) {
+		if (setsockopt(sock->fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof ttl) == -1) {
 			perror ("ping: can't set multicast time-to-live");
 			exit(2);
 		}