Re: rl_message prompt save/restore confusion with prompt=""

[Chet Ramey]

On 3/6/23 6:55 PM, Grisha Levit wrote:


> There is a problem though -- if readline was called with prompt="",
> rl_expand_prompt will leave local_prompt set to 0 and so even if
> rl_save_prompt has been called, saved_local_prompt will still == 0.

That's the problem.

> Alternatively, rl_expand_prompt can be changed to not return early
> with an empty prompt, thereby making local_prompt a non-null pointer
> so rl_message can properly pick up on its having been saved.

It can return early, just with local_prompt as an allocated empty string.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/