From c23875d41b602163ac151e2c41f6191c7348e3f1 Mon Sep 17 00:00:00 2001
From: Marek Wilniewiec <m.wilniewiec@biotcloud.com>
Date: Wed, 25 Oct 2017 14:10:37 +0200
Subject: [PATCH] Multicasts fix for OSX

---
 src/util/netif-mgmt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util/netif-mgmt.c b/src/util/netif-mgmt.c
index 9f550667..3d835161 100644
--- a/src/util/netif-mgmt.c
+++ b/src/util/netif-mgmt.c
@@ -206,6 +206,12 @@ netif_mgmt_get_ifindex(int reqfd, const char* if_name) {
 	if (ret >= 0) {
 		ret = ifr.ifr_ifindex;
 	}
+#else
+	ret = if_nametoindex(if_name);
+	// if_nametoindex returns 0 on error and sets errno
+	if (ret == 0) {
+		ret = -1;
+	}
 #endif
 
 	return ret;