Attention is currently required from: Frank Lichtenheld, chugly, plaisthos.

Răzvan Cojocaru has posted comments on this change by chugly. ( 
https://gerrit.openvpn.net/c/openvpn/+/1946?usp=email )

Change subject: tests: add unit tests for route.c
......................................................................


Patch Set 4: Code-Review-1

(1 comment)

File tests/unit_tests/openvpn/test_route.c:

https://gerrit.openvpn.net/c/openvpn/+/1946/comment/41a315c3_8e66aa9f?usp=email 
:
PS4, Line 106:      * use to tell "host route" from "network route"
Do they? In route.c I see:

```
    route_message_t msg = { .header = { (add ? msg_add_route : msg_del_route),
                                        sizeof(route_message_t), 0 },
                            .family = AF_INET,
                            .prefix.ipv4.s_addr = htonl(r->network),
                            .gateway.ipv4.s_addr = htonl(r->gateway),
                            .iface = { .index = if_index, .name = "" },
                            .metric = (r->flags & RT_METRIC_DEFINED) ? 
r->metric : -1 };

    netmask_to_netbits(r->network, r->netmask, &msg.prefix_len);
    if (msg.prefix_len == -1)
    {
        msg.prefix_len = 32;
    }

    return do_route_service(add, &msg, sizeof(msg), tt->options.msg_channel);
```

Or in helper.c:


```
        status = netmask_to_netbits(o->server_network, o->server_netmask, 
&netbits);
        if (!status)
        {
            msg(M_USAGE, "--server directive network/netmask combination is 
invalid");
        }

        if (netbits < 0)
        {
            msg(M_USAGE, "--server directive netmask is invalid");
        }
```

These don't look like `-1` is used "to tell a host route from a network route".



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