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

[Stéphane Corthésy]

On Wednesday, August 21, 2002, at 07:33  PM, Miguel Coca wrote:

> On Wed, Aug 21, 2002 at 00:06:25 +0200, Stéphane Corthésy wrote:
>> Hi,
>>
>> Using gpgme 0.3.8:
>> When using a context to sign or decrypt data, according to the 
>> operation
>> result (the GpgmeError value) there is no way to make the difference
>> between the two following situations:
>
> You can abort the operation from inside the callback with 
> gpgme_cancel().
> Then the operation will return GPGME_Canceled.

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.

Thanks,

Stéphane