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-rw-r--r--src/terminal.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/terminal.c b/src/terminal.c
index 1adf690ad..fb8b2881f 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -1130,10 +1130,24 @@ get_tty_part(term_T *term UNUSED)
* Write job output "msg[len]" to the vterm.
*/
static void
-term_write_job_output(term_T *term, char_u *msg, size_t len)
+term_write_job_output(term_T *term, char_u *msg_arg, size_t len_arg)
{
+ char_u *msg = msg_arg;
+ size_t len = len_arg;
VTerm *vterm = term->tl_vterm;
size_t prevlen = vterm_output_get_buffer_current(vterm);
+ size_t limit = term->tl_buffer->b_p_twsl * term->tl_cols * 3;
+
+ // Limit the length to 'termwinscroll' * cols * 3 bytes. Keep the text at
+ // the end.
+ if (len > limit)
+ {
+ char_u *p = msg + len - limit;
+
+ p -= (*mb_head_off)(msg, p);
+ len -= p - msg;
+ msg = p;
+ }
vterm_input_write(vterm, (char *)msg, len);