On 03/05/2015 15:42, Michael Black wrote:
Hi Mike,
Small bug…I tried to see how this was happening but couldn't quite
figure it out.
Seems when DXCall is empty it is initialized correctly to a 0-length
string when the INI file has it as empty.
This is expected behaviour. The Qt serialization format differentiates
between a null QString and an empty QString as documented here:
http://doc.qt.io/qt-5/datastreamformat.html . For this case I expect
that both can be interpreted as empty.
I am a bit surprised this is happening because we convert to a
QByteArray of utf8 code points before we stream the data but looking at
the Qt source reveals that QByteArray like QString sets the length to
0xffffffff for null as well.
It may be because m_hisCall isn't initialized to anything from the INI
file.
Grid might be same problem too?
As Laurie is looking at using this new interface I wonder if there is
any other status content that would be valuable to him, particularly if
it avoids any Windows cross process gymnastics to discover them?
Mike W9MDB
73
Bill
G4WJS.
*From:*hamapps-b...@yahoogroups.com.au
[mailto:hamapps-b...@yahoogroups.com.au]
*Sent:* Sunday, May 03, 2015 12:18 AM
*To:* hamapps-b...@yahoogroups.com.au
*Subject:* Re: [HamApps-Beta] UDP interface for WSJT-X control.
Mike,
Testing WSJT-X 1.5 r5249 here and found a bug within the UDP data.
When WSJT-X first starts without a DXCall set, the UDP status packet
has the length for the DXCall set to 0xFFFFFFFF, rather than the true
length which is 0x00000000.
If I enter a character and delete it, so that the DXCall is empty, the
Status packet has the correct zero length set in the DXCall utf8 data.
So this is only a startup problem which I have coded around, but
thought you may like to pass it on as here may be other startup bogus
data in the current UDP implementation.
de Laurie VK3AMA
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