Re: can't remove entries from a table without a seg fault

[Miguel de Icaza <miguel nuclecu unam mx>]

> I'm having a hell of a time in removing items from a table.
> the code that adds the items is:
>  gtk_table_attach(GTK_TABLE (channel_table),
> 			       label[i], 0, 1, (i*2), (i*2)+1,
> 			       GTK_FILL | GTK_EXPAND,
> 			       GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
> 
> the code that removes it is:
>    gtk_container_remove(GTK_CONTAINER (channel_table),
> 					     GTK_WIDGET (label[i]));
> 
> when something is re-added into its previous place, the program seg faults
> 
> i.e. when the first function is called again. 
> the debugger (xxgdb) says the fault happens when gtk_table_attach() is
> called, (after previously having something there, and removing it)
> 
> Any ideas what I'm doing wrong?


Yes, you are not taking the magic reference counting into account.

Check the reference counting doc in the Gtk+ distribution.

Just make sure you ref count the object once yourself and that you
decrement manually the refcount sometime later.

Miguel.