From 785b16d9051b3f76669d14b103cb5a897db9f65d Mon Sep 17 00:00:00 2001
From: Andrew Chin <achin@eminence32.net>
Date: Fri, 30 May 2014 15:42:32 -0400
Subject: Prevent null-pointer deference during vim_eval  #785

If the eval_expr call in vim_eval returns NULL, a null-pointer deference
would happen a few frames down, in vim_to_object_rec
---
 src/nvim/api/vim.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/nvim/api/vim.c')

diff --git a/src/nvim/api/vim.c b/src/nvim/api/vim.c
index 653e6b34c7..b99311a61a 100644
--- a/src/nvim/api/vim.c
+++ b/src/nvim/api/vim.c
@@ -61,6 +61,10 @@ Object vim_eval(String str, Error *err)
   try_start();
   typval_T *expr_result = eval_expr((char_u *) str.data, NULL);
 
+  if (!expr_result) {
+    set_api_error("Failed to eval expression", err);
+  }
+
   if (!try_end(err)) {
     // No errors, convert the result
     rv = vim_to_object(expr_result);
-- 
cgit