GpgmePassphraseCb: no way to make difference between cancel and invalid password

[Marcus Brinkmann]

On Wed, Aug 21, 2002 at 10:23:31PM +0200, Stéphane Corthésy wrote:
> Is it really the way to do it? IIRC, in previous releases (0.3.4 or 
> earlier?) we were supposed to return NULL from the callback to indicate 
> that user cancelled passphrase callback.

Mmmh, I am not sure, but I think the cancel mechanism was invented for this,
so you can use it.  I think it is clearer, too.  If you have some concerns,
let me know and maybe we can make NULL work in a similar way.

Thanks,
Marcus

-- 
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Marcus Brinkmann              The Hurd http://www.gnu.org/software/hurd/
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