From 992eaac08218c037ffa8980f36a628f5b293355b Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <janedmundlazo@hotmail.com>
Date: Fri, 16 Jan 2026 02:11:07 -0500
Subject: [PATCH] vim-patch:8.2.0370: the typebuf_was_filled flag is sometimes
 not reset (#37404)

Problem:    The typebuf_was_filled flag is sometimes not reset, which may
            cause a hang.
Solution:   Make sure typebuf_was_filled is reset when the typeahead buffer is
            empty.

https://github.com/vim/vim/commit/e49b4bb89505fad28cf89f0891aef3e2d397919e

Co-authored-by: Bram Moolenaar <Bram@vim.org>
---
 src/nvim/getchar.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
index e824d1fcc1..10bf78839d 100644
--- a/src/nvim/getchar.c
+++ b/src/nvim/getchar.c
@@ -458,6 +458,9 @@ void flush_buffers(flush_buffers_T flush_typeahead)
       typebuf.tb_off += typebuf.tb_maplen;
       typebuf.tb_len -= typebuf.tb_maplen;
     }
+    if (typebuf.tb_len == 0) {
+      typebuf_was_filled = false;
+    }
   } else {
     // remove typeahead
     if (flush_typeahead == FLUSH_INPUT) {
@@ -1300,6 +1303,7 @@ static void alloc_typebuf(void)
   if (++typebuf.tb_change_cnt == 0) {
     typebuf.tb_change_cnt = 1;
   }
+  typebuf_was_filled = false;
 }
 
 /// Free the buffers of "typebuf".