ws2_32: Implement automatic broadcast for UDP sockets on sendto()

[Bruno Jesus]

On Tue, Dec 22, 2015 at 7:58 PM, Hans Leidekker <hans at codeweavers.com> wrote:
> Hi Bruno,
>>+        if (wsa->addr->sa_family == WS_AF_INET)
>>+        {
>>+            /* When the target IPv4 address ends in 255 we must always send it as
>>+             * a broadcast. Trying to send the packet without setting SO_BROADCAST
>>+             * results in EACCES, to avoid that we will manually enable the flag
>>+             * and send the packet, after that we will restore the disabled flag
>>+             * behavior. This is the most common estimate as the broadcast address
>>+             * should actually be calculated using the netmask for the interface. */
>
> It should really be calculated using the netmask, sending a broadcast packet here
> is wrong if the user is not in a /24 network.


Hi, Hans. Thanks for the reply, I'll update the patch when I have time.