Christian Couder <christian.cou...@gmail.com> writes: >>> + my ( $res, $buf ) = packet_bin_read(); >>> + return ( $res, @cap ) if ( $res != 0 ); >> >> The original had the same "'list eq list' does not do what you may >> think it does" issue. This one corrects it, which is good. >> >> I am not sure if ($res != 0) is correct though. What should happen >> when you get an unexpected EOF at this point? The original would >> have died; this ignores and continues. > > Well if there is an unexpected EOF, then packet_bin_read() returns > (-1, ""), so packet_read_capabilities() returns (-1, @cap) where @cap > contains the capabilities already received. Then > packet_read_and_check_capabilities() checks that we received all the > capabilities we expect and dies if that is not the case. If we did > receive all the capabilities, then > packet_read_and_check_capabilities() still returns -1, so the caller > may check that and die.
In other words, it happens, by accident, to stop before going very far. I think we'd be better off making it an explicitly checked error. > But yeah we could also just die in packet_read_capabilities() if $res > is -1. I will make this change. Good. Thanks.
