patch 9.1.0643: terminal: cursor may end up on invalid position
Problem: terminal: cursor may end up on invalid position after reducing
the scrollback lines (user202729)
Solution: After reducing the scrollback size, check the cursor position,
making sure it does not end up on an invalid line
fixes: #15351
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/terminal.c b/src/terminal.c
index c681f3a..1fc0ef9 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -3451,6 +3451,10 @@
sizeof(sb_line_T) * gap->ga_len);
if (update_buffer)
term->tl_scrollback_scrolled -= todo;
+
+ // make sure cursor is on a valid line
+ if (curbuf == term->tl_buffer)
+ check_cursor();
}
/*