ping. On 1/12/2022 12:13 AM, Brad Smith wrote:
Fix setsockopt() usage on OpenBSD with IP_MULTICAST_TTL. The field type should be an unsigned char on anything but Linux.diff --git a/libavformat/udp.c b/libavformat/udp.c index 180d96a988..29aa865fff 100644 --- a/libavformat/udp.c +++ b/libavformat/udp.c @@ -163,7 +163,13 @@ static int udp_set_multicast_ttl(int sockfd, int mcastTTL, { #ifdef IP_MULTICAST_TTL if (addr->sa_family == AF_INET) { - if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) { +#ifdef __linux__ + int ttl = mcastTTL; +#else + unsigned char ttl = mcastTTL; +#endif + + if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) < 0) { ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL)"); return ff_neterrno(); }
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