Re: Glib error

[Alexander <rope-walker yandex ru>]

On Mon, 30 Jan 2006 16:04:39 +0200, Bob Caryl <bob fis-cal com> wrote:

> Volosatov Alexander wrote:
>
> > I have:
> >
> > list<Glib::ustring> string_Fish_name;
> > Gtk::Combo combo_Fish_name;
> > DB fish_info; //class-interface for DB
> > //if Connection OK
> > if (fish_info.DB_Connect("") == -1)
> > {
> > 	// if query OK
> > 	if (fish_info.DB_SQL_Query("SELECT fish_name FROM t_fish") == -1)
> > 	{
> > 		//if count(row) > 0
> > 		if (fish_info.DB_Result_n() > 0)
> > 		{
> > 			//getting result
> > 			string_Fish_name = fish_info.DB_Result_values(0);
> > 		}
> > 	}
> > }
> >
> > combo_Fish_name.set_popdown_strings(string_Fish_name);
> >
> > ERROR: Glib-ERROR **::gmem.c:174:faild allocate 16 bytes
> >
> > Sometimes crach after widget.show();
> > Sometimes after 5-10 seconds.
> >
> > When I use:
> > string_Fish_name.push_back("fish one");
> > string_Fish_name.push_back("fish two");
> > no prolems.
> >
> > Problems were only after using access to DB
> >
> > How to solve?
> > Please help.
> > Any questions? - I answer.
> > _______________________________________________
> > gtkmm-list mailing list
> > gtkmm-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gtkmm-list
> Your information is sketchy; but, the = operator for a std::list
> requires that its argument be a std::list of the exact same type, so if
> the call to DB_Result_values(0) does not return a list<Glib::ustring>
> then your results are to be expected.
>
> Bob

It has the same type:

list<Glib::ustring> DB::DB_Result_cols()
{
	list<Glib::ustring> col_name;
	
	if (DB_Status_Result() && (DB_Result_coln() > 0))
	{
		for (int i = 0; i < DB_Result_coln(); ++i)
		{
			col_name.push_back(PQfname(result, i));
		}
	}
	
	return col_name;
}