commit 6d5f4a0bed7644d5fcd442000a902ed3ae0704fe
author Milly <milly.ca@gmail.com> Tue Oct 22 23:17:45 2024 +0200
committer Christian Brabandt <cb@256bit.org> Tue Oct 22 23:17:45 2024 +0200
tree dac7a1701f7f345bd837ed92103fa02328ccac10
parent 3e5bbb8e11758d879acf17aa6668874bfccd7e96

patch 9.1.0808: Terminal scrollback doesn't shrink when decreasing 'termwinscroll'

Problem:  Terminal scrollback doesn't shrink when reducing
          'termwinscroll'
Solution: Check if option value was decreased (Milly).

closes: #15904

Signed-off-by: Milly <milly.ca@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/terminal.c

diff --git a/src/terminal.c b/src/terminal.c
index f61a54f..6edc21a 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -3436,7 +3436,8 @@
     if (gap->ga_len < term->tl_buffer->b_p_twsl)
 	return;
 
-    int	todo = term->tl_buffer->b_p_twsl / 10;
+    int	todo = MAX(term->tl_buffer->b_p_twsl / 10,
+				     gap->ga_len - term->tl_buffer->b_p_twsl);
     int	i;
 
     curbuf = term->tl_buffer;