From 2922f6e34bde27fa9788e806f871f50a2b46e6a7 Mon Sep 17 00:00:00 2001
From: VVKot <volodymyr.kot.ua@gmail.com>
Date: Sun, 31 Jan 2021 17:19:39 +0000
Subject: vim-patch:8.1.0126: various problems with 'vartabstop'

Problem:    Various problems with 'vartabstop'.
Solution:   Fix memory leak.  Fix crash. Add a few more tests. (Christian
            Brabandt, closes vim/vim#3076)
https://github.com/vim/vim/commit/307ac5c68e9e624ab713136d79f35bb73f780d2d
---
 src/nvim/screen.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/nvim/screen.c')

diff --git a/src/nvim/screen.c b/src/nvim/screen.c
index 2b664cf5b0..7c71a440af 100644
--- a/src/nvim/screen.c
+++ b/src/nvim/screen.c
@@ -3543,6 +3543,10 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
             xfree(p_extra_free);
             p_extra_free = p;
             for (i = 0; i < tab_len; i++) {
+              if (*p == NUL) {
+                tab_len = i;
+                break;
+              }
               int lcs = wp->w_p_lcs_chars.tab2;
 
               // if tab3 is given, need to change the char
-- 
cgit