patch 9.1.0406: Divide by zero with getmousepos() and 'smoothscroll'
Problem: Divide by zero with getmousepos() and 'smoothscroll'.
Solution: Don't compute skip_lines when width1 is zero.
(zeertzjq)
closes: #14747
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/move.c b/src/move.c
index 6790192..7971848 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2617,12 +2617,14 @@
plines_win
#endif
(curwin, curwin->w_topline, FALSE);
- int skip_lines = 0;
int width1 = curwin->w_width - curwin_col_off();
+
if (width1 > 0)
{
int width2 = width1 + curwin_col_off2();
- // similar formula is used in curs_columns()
+ int skip_lines = 0;
+
+ // A similar formula is used in curs_columns().
if (curwin->w_skipcol > width1)
skip_lines += (curwin->w_skipcol - width1) / width2 + 1;
else if (curwin->w_skipcol > 0)