Binbin Zhang schreef op 7/23/2014 6:14 PM:
3. Click buttons in this order
Edit --> Game-list tag --> Players
4.Oops, xboard quits abnormally
Ah yes, when you double-click Players (or in fact any item in the
listbox), it makes XBoard segfault in any mode.
This went so far undetected, because you are not supposed to do this! ;-)
The problem is that the first Option in the discriptor of the dialog
(listOptions[] in dialogs.c) has "" initialized for its textValue field,
rather than NULL. For a ListBox Option the textValue is (ab)used as a
pointer to an optional user-supplied callback for double-click events.
As double-clicks have no function in this listbox, no such callback
exists, and the way to tell the system that is having textValue=NULL. As
it was, the code would try to execute the empty string as if it were
code, jumping into the data segment...
Thanks for spotting this.
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