From d0cb175cab56da47fbd08e4b65ca02832a93bc38 Mon Sep 17 00:00:00 2001
From: Nikolai Aleksandrovich Pavlov <kp-pav@yandex.ru>
Date: Sun, 13 Aug 2017 18:37:35 +0300
Subject: lua/executor: Fix crash when printing empty string (#7157)

---
 src/nvim/lua/executor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/nvim/lua/executor.c')

diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c
index 9ec5bfb8ad..eb821f7831 100644
--- a/src/nvim/lua/executor.c
+++ b/src/nvim/lua/executor.c
@@ -519,7 +519,7 @@ static int nlua_print(lua_State *const lstate)
       }
       msg((char_u *)str + start);
     }
-    if (str[len - 1] == NUL) {  // Last was newline
+    if (len && str[len - 1] == NUL) {  // Last was newline
       msg((char_u *)"");
     }
   }
-- 
cgit