(svn r5297) Check the interface flags if IFF_BROADCAST is set before asking for the broadcast address
--- a/network.c Sat Jun 17 12:11:17 2006 +0000
+++ b/network.c Sat Jun 17 13:25:22 2006 +0000
@@ -427,7 +427,9 @@
struct ifreq r;
strncpy(r.ifr_name, req->ifr_name, lengthof(r.ifr_name));
- if (ioctl(sock, SIOCGIFBRDADDR, &r) != -1) {
+ if (ioctl(sock, SIOCGIFFLAGS, &r) != -1 &&
+ r.ifr_flags & IFF_BROADCAST &&
+ ioctl(sock, SIOCGIFBRDADDR, &r) != -1) {
_broadcast_list[i++] =
((struct sockaddr_in*)&r.ifr_broadaddr)->sin_addr.s_addr;
}