Re: dereferencing

[Russell Shaw <rjshaw netspace net au>]

Mustafa Sanver wrote:
> Hi,
> Any idea how to solve this dereferencing problem? Thank you in advanced.
>
> ========= ERROR ========
> GtkNotebookPagegtsrc.c: In function `set_notebook_tab':
> gtsrc.c:144: error: dereferencing pointer to incomplete type
>
> ====CODE ========
> /* This is an internally used function to set notebook tab widgets. */
> void
> set_notebook_tab    (GtkWidget       *notebook,  gint             page_num,
> GtkWidget       *widget)
> {
>   GtkNotebookPage *page;
>   GtkWidget *notebook_page;
>   page = (GtkNotebookPage*) g_list_nth (GTK_NOTEBOOK (notebook)->children,
> page_num)->data;
>   notebook_page = page->child;  // LINE 144
>   gtk_widget_ref (notebook_page);
>   gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), page_num);
>   gtk_notebook_insert_page (GTK_NOTEBOOK (notebook), notebook_page,
>                             widget, page_num);
>   gtk_widget_unref (notebook_page);
> }

You're probably passing in a bad pointer.