network_endpoint_addr(union network_endpoint *ep, int *addr_len)
{
if (ep->sa.sa_family == AF_INET6) {
- *addr_len = sizeof(ep->in6.sin6_addr);
+ if (addr_len)
+ *addr_len = sizeof(ep->in6.sin6_addr);
return &ep->in6.sin6_addr;
}
- *addr_len = sizeof(ep->in.sin_addr);
+ if (addr_len)
+ *addr_len = sizeof(ep->in.sin_addr);
return &ep->in.sin_addr;
}