[webkit-gtk] Handling Plugins and Error scanning plugin

[Michael Catanzaro]

On Tue, Jan 20, 2015 at 3:13 PM, Nicolas Jäger 
<jagernicolas at legtux.org> wrote:
> void
> callback(
>         )
> {
>   GList *plugin_list, *p;
>   GAsyncResult *result;
>   plugin_list = webkit_web_context_get_plugins_finish ( web_context,
> result, nullptr );

Hi,

The GAsyncResult you're passing to 
webkit_web_context_get_plugins_finish() is uninitialized. It's passed 
as the second argument to your callback, so you should declare at least 
that many parameters.

You should also pass a GError unless you're sure you want to silence 
errors. Something like this is typical:

void callback(GObject *source_object, GAsyncResult *res, gpointer 
user_data)
{
  WebKitWebContext *web_context = WEBKIT_WEB_CONTEXT(source_object);
  GError *error = nullptr;
  GList *plugin_list = 
webkit_web_context_get_plugins_finish(web_context, res, &error);
  if (error)
    // handle error
}

Take a look at the documentation for GAsyncResult [1].

[1] https://developer.gnome.org/gio/stable/GAsyncResult.html
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