Commit 99593a9d authored by Gerd Moellmann's avatar Gerd Moellmann

(Fwindow_end): Handle case that WINDOW's buffer is not

equal to the current buffer.
parent ee1dbceb
......@@ -912,6 +912,7 @@ if it isn't already recorded.")
{
struct text_pos startp;
struct it it;
struct buffer *old_buffer = NULL, *b = XBUFFER (buf);
/* In case W->start is out of the range, use something
reasonable. This situation occured when loading a file with
......@@ -927,10 +928,19 @@ if it isn't already recorded.")
/* Cannot use Fvertical_motion because that function doesn't
cope with variable-height lines. */
if (b != current_buffer)
{
old_buffer = current_buffer;
set_buffer_internal (b);
}
start_display (&it, w, startp);
move_it_vertically (&it, window_box_height (w));
move_it_past_eol (&it);
value = make_number (IT_CHARPOS (it));
if (old_buffer)
set_buffer_internal (old_buffer);
}
else
XSETINT (value, BUF_Z (XBUFFER (buf)) - XFASTINT (w->window_end_pos));
......
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