Review: Approve compile / test
Compiles, did some test with Gun, which foound bug #1542821 but this is the
same in trunk.
Maybe some lists will stay in some other state now, but as of the networking
error there
is no consistent state anyway.
OTOH we get rid of some memory leaks.
Diff comments:
>
> === modified file 'src/ui_fsmenu/internet_lobby.cc'
> --- src/ui_fsmenu/internet_lobby.cc 2016-02-07 16:31:06 +0000
> +++ src/ui_fsmenu/internet_lobby.cc 2016-02-19 20:11:01 +0000
> @@ -176,16 +176,18 @@
> InternetGaming::ref().handle_metaserver_communication();
> }
>
> - if (InternetGaming::ref().update_for_clients())
> + if (InternetGaming::ref().update_for_clients()) {
> fill_client_list(InternetGaming::ref().clients());
> + }
>
This is a bad pattern for multithreaded Programms:
if (someLengthyExpression->getSomeThingThatMayBeNull()) {
// Return value may have changed in some other thread
someLengthyExpression->getSomeThingThatMayBeNull()->doSomething();
}
Better:
SomeThingThatMayBeNull mayBe =
someLengthyExpression->getSomeThingThatMayBeNull();
if (mayBe) {
mayBe->doSomething();
}
C++ may take over new Operators from languangs like swift:
someLengthyExpression?->getSomeThingThatMayBeNull()?->doSomething()
> https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html#//apple_ref/doc/uid/TP40014097-CH21-ID245
BUT, for Widelands this OK :-)
> - if (InternetGaming::ref().update_for_games())
> + if (InternetGaming::ref().update_for_games()) {
> fill_games_list(InternetGaming::ref().games());
> + }
> }
>
> void FullscreenMenuInternetLobby::clicked_ok()
> {
> - if (joingame.enabled()) {
> + if (joingame_.enabled()) {
> server_doubleclicked();
> } else {
> clicked_hostgame();
--
https://code.launchpad.net/~widelands-dev/widelands/network-memory/+merge/286162
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