commit ec54af4e26952d954a4cc009f62c80ea01445d30
author zeertzjq <zeertzjq@outlook.com> Tue Dec 12 16:43:44 2023 +0100
committer Christian Brabandt <cb@256bit.org> Tue Dec 12 16:43:44 2023 +0100
tree c67884d7beeb230ecae90b348522c1ea1ac88504
parent a40e1687e757ea4aa41e84006c739f575db75703

patch 9.0.2159: screenpos() may crash with neg. column

Problem:  screenpos() may crash with neg. column
Solution: validate and correct column

closes: #13669

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/move.c

diff --git a/src/move.c b/src/move.c
index fbb352a..861d84b 100644
--- a/src/move.c
+++ b/src/move.c
@@ -1531,6 +1531,8 @@
 	return;
     }
     pos.col = tv_get_number(&argvars[2]) - 1;
+    if (pos.col < 0)
+	pos.col = 0;
     pos.coladd = 0;
     textpos2screenpos(wp, &pos, &row, &scol, &ccol, &ecol);