From: trustchk <trustchk@users.noreply.github.com>
Date: Thu, 2 Nov 2017 10:31:22 +0000 (+0000)
Subject: libcollectdclient: fix usage of ip_mreq
X-Git-Tag: collectd-5.8.0~16^2
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=a69d01a277f48652481c161be3feea16e50d72eb

libcollectdclient: fix usage of ip_mreq

On both IBM AIX and Gentoo Linux, the struct `ip_mreq` does not define
the field `imr_address`, plus the compiler throws an error in the
assignment of `sa->s_addr`. With `ip_mreqn` present, the fallback path
for `ip_mreq` is not used and everything works. But AIX does not know
that struct and fails to compile.
---

diff --git a/src/libcollectdclient/server.c b/src/libcollectdclient/server.c
index d18cc7da..a81afda8 100644
--- a/src/libcollectdclient/server.c
+++ b/src/libcollectdclient/server.c
@@ -82,7 +82,7 @@ static int server_multicast_join(lcc_listener_t *srv,
     };
 #else
     struct ip_mreq mreq = {
-        .imr_address.s_addr = INADDR_ANY, .imr_multiaddr.s_addr = sa->s_addr,
+        .imr_multiaddr.s_addr = sa->sin_addr.s_addr,
     };
 #endif
     status = setsockopt(srv->conn, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq,