Re: [gmime-devel] GObject unref hell

[Mario Theodoridis <mario theodoridis regify com>]

On 06/11/13 14:48, Jeffrey Stedfast wrote:
> On 11/6/2013 8:25 AM, Mario Theodoridis wrote:
> > On 06/11/13 13:31, Jeffrey Stedfast wrote:
> > > On 11/6/2013 4:21 AM, Mario Theodoridis wrote:
> >  ...
> > int mimeFromRgsMsg(msgObj msg, rgsMsg rgMsg) {
> > [snip]
> >
> >         if (attCnt == 0) {
> >             /* remove unneeded multi part */
> >             g_mime_message_set_mime_part (msg->message, (GMimeObject*)
> > part);
> >             msg->headerList =
> > g_mime_object_get_header_list((GMimeObject*)part);
> >             rfunref (part);
> >             break;
> >         }
> >
> >         /* there are many parts */
> >         multipart = g_mime_multipart_new_with_subtype ("mixed");

Here i create the new multipart.

> >         g_mime_multipart_add (multipart, (GMimeObject *) part);
> >         rfunref (part);
> >         part = NULL; [snip]
> >
> >         g_mime_message_set_mime_part (msg->message, (GMimeObject*)
> > multipart);

Here i replace whatever was in the message which i'm not referencing 
anywhere. This is where i think the error happens.

> >         msg->headerList =
> > g_mime_object_get_header_list((GMimeObject*)multipart);
> >         rfunref (multipart);

I unref my created multipart because i'm done with it. This does not 
cause an error.

> >     } while(FALSE);
>
> I would guess that the problem is because you remove the multipart (by
> setting some other part) on the message object, which unrefs the
> multipart, and then you set the unref'd multipart back on the message
> and then unref it again.

The multipart i add is a new one.
Is that not how i should do this?

--
Mit Freundlichen Grüßen / Regards

Mario Theodoridis

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