From e4f39eaeeaad5841653bbd6a36c40a27a6565682 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20Beauz=C3=A9e-Luyssen?= <hugo@beauzee.fr>
Date: Tue, 12 Jul 2016 10:51:12 +0200
Subject: [PATCH] Fix build when lacking getifaddrs lacking

---
 configure.ac     |  4 ++--
 src/netbios_ns.c | 15 ++++++++++++++-
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 351cdad..56ea1d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,9 +105,9 @@ AC_CHECK_DECLS([CLOCK_MONOTONIC],,,[
 AC_REPLACE_FUNCS([strlcpy])
 AC_REPLACE_FUNCS([strndup])
 AC_REPLACE_FUNCS([clock_gettime])
-AC_CHECK_FUNCS([pipe _pipe])
+AC_CHECK_FUNCS([pipe _pipe getifaddrs])
 
-AC_CHECK_HEADERS([bsd/string.h langinfo.h alloca.h sys/queue.h arpa/inet.h sys/socket.h])
+AC_CHECK_HEADERS([bsd/string.h langinfo.h alloca.h sys/queue.h arpa/inet.h sys/socket.h ifaddrs.h])
 
 ## Configure random device path
 AC_ARG_WITH([urandom], 
diff --git a/src/netbios_ns.c b/src/netbios_ns.c
index 4fb74b2..e0d3796 100644
--- a/src/netbios_ns.c
+++ b/src/netbios_ns.c
@@ -59,7 +59,9 @@
 
 #ifndef _WIN32
 # include <sys/types.h>
-# include <ifaddrs.h>
+# ifdef HAVE_IFADDRS_H
+#  include <ifaddrs.h>
+# endif
 # include <net/if.h>
 #endif
 
@@ -262,6 +264,8 @@ static ssize_t netbios_ns_send_packet(netbios_ns* ns, netbios_query* q, uint32_t
 
 #ifndef _WIN32
 
+#ifdef HAVE_GETIFADDRS
+
 static void netbios_ns_broadcast_packet(netbios_ns* ns, netbios_query* q)
 {
     struct ifaddrs *addrs;
@@ -284,6 +288,15 @@ static void netbios_ns_broadcast_packet(netbios_ns* ns, netbios_query* q)
 
 #else
 
+static void netbios_ns_broadcast_packet(netbios_ns* ns, netbios_query* q)
+{
+    netbios_ns_send_packet(ns, q, INADDR_BROADCAST);
+}
+
+#endif
+
+#else
+
 static void netbios_ns_broadcast_packet(netbios_ns* ns, netbios_query* q)
 {
     INTERFACE_INFO infolist[16];