diff options
Diffstat (limited to 'src/drawscreen.c')
| -rw-r--r-- | src/drawscreen.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/drawscreen.c b/src/drawscreen.c index 578c66f2b9..a5822b25d8 100644 --- a/src/drawscreen.c +++ b/src/drawscreen.c @@ -1808,9 +1808,13 @@ win_update(win_T *wp) // Move the entries that were scrolled, disable // the entries for the lines to be redrawn. + // Avoid using a wrong index when 'cmdheight' is + // zero and wp->w_height == Rows. if ((wp->w_lines_valid += j) > wp->w_height) wp->w_lines_valid = wp->w_height; - for (idx = wp->w_lines_valid; idx - j >= 0; idx--) + for (idx = wp->w_lines_valid >= wp->w_height + ? wp->w_height - 1 : wp->w_lines_valid; + idx - j >= 0; idx--) wp->w_lines[idx] = wp->w_lines[idx - j]; while (idx >= 0) wp->w_lines[idx--].wl_valid = FALSE; |