string dir = dirs[i];
if (!FcConfigAppFontAddDir (font_config_global, (FcChar8 *)dir.c_str ()))
error (_f ("failed adding font directory: %s", dir.c_str ()));
string dir = dirs[i];
if (!FcConfigAppFontAddDir (font_config_global, (FcChar8 *)dir.c_str ()))
error (_f ("failed adding font directory: %s", dir.c_str ()));