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(notice_overwritten_cursor): Check that phys_cursor.vpos

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is valid.  If not, clear phys_cursor_on_p and return.
This commit is contained in:
Kim F. Storm 2005-03-07 09:29:21 +00:00
parent f30c4a5ca3
commit 2e87e8f207
1 changed files with 8 additions and 3 deletions
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11
src/xdisp.c
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@ -20201,9 +20201,14 @@ notice_overwritten_cursor (w, area, x0, x1, y0, y1)
if (area != TEXT_AREA)
return;
row = w->current_matrix->rows + w->phys_cursor.vpos;
if (!row->displays_text_p)
return;
if (w->phys_cursor.vpos < 0
|| w->phys_cursor.vpos >= w->current_matrix->nrows
|| (row = w->current_matrix->rows + w->phys_cursor.vpos,
!(row->enabled_p && row->displays_text_p)))
{
w->phys_cursor_on_p = 0;
return;
}
if (row->cursor_in_fringe_p)
{