Re: [Bug-XBoard] Infinite recursion

[Byrial Jensen]

Den 11-04-2012 12:06, h.g. muller skrev:

> > However if start xboard in my normal Danish locale the error error 
> > does not come up, and the engine setting menu item are enabled. If I 
> > click on "Engine #1 settings", xboard will crash.
> > ...
> > But the point is that the behavoir depends on the locale in a way it 
> > shouldn't.
>
> I guess the problem is that XBoard (as described in the protocol 
> specs) triggers on receiving a message containing "No such file" from 
> the engine process, and that the engine probably sent a translated 
> version of that message. That is a bit hard to fix. We could translate 
> the system standard error messages it compares to in backend.c. But 
> that is tricky; they really would have to be translated to the exact 
> messages that the system in that locale would produce. We could of 
> course let XBoard request the messages by error number in its own 
> locale, and use those in the comparison. But also that will not always 
> do what we need, because you could be running the engine on a machine 
> with a different locale as wher XBoard is running.

If Xboard is dependent on untranslated error messages from libc, it 
should run the engines in the C locale. It can be done by calling 
putenv("LANGUAGE=C") in the child proces before the exec() call.