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[Bug-readline] Re: PATCH: PR tui/2173: Arrow keys no longer works in bre

From: Jan Kratochvil
Subject: [Bug-readline] Re: PATCH: PR tui/2173: Arrow keys no longer works in breakpoint command list
Date: Wed, 20 Dec 2006 00:19:26 +0100
User-agent: Mutt/

Hi Chet,

On Mon, 18 Dec 2006 21:09:19 +0100, Chet Ramey wrote:
> Not exactly.  The callback and traditional calling mechanisms are
> orthogonal.  It's just not safe to mix them.  The longjmp leaves
> readline in an inconsistent state, unless the calling application is
> careful to undo what state-setting it has done.  That's the part
> readline can't know about:  the appropriate application-specific part.

OK, so going to provide callback based GDB reimplementation of
gdb_readline_wrapper () (readline () call).

> > The sample code should be readline documentation compliant, still the called
> > function `_rl_next_macro_key' has undeterministic value of
> OK, you got me.  I'll fix that one, if I can find it.  I can't find a call
> to that function in the examples/ or doc/ directories.

rl_read_key () calls _rl_next_macro_key () and rl_read_key () can be called by
the application.  I did not check how much serious is a fail of this mode check
but I assume there are other functions callable by the application this way.


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