From f98615d0df12b872df69b977826eac7be1da4a00 Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Wed, 30 Oct 2019 16:48:39 +0900
Subject: [PATCH] fix: check file content is empty or not

---
 toml/parser.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toml/parser.hpp b/toml/parser.hpp
index 5dbef6c..2805d80 100644
--- a/toml/parser.hpp
+++ b/toml/parser.hpp
@@ -1949,7 +1949,7 @@ parse(std::istream& is, const std::string& fname = "unknown file")
     std::vector<char> letters(static_cast<std::size_t>(fsize));
     is.read(letters.data(), fsize);
 
-    if(letters.back() == '\0')
+    if(!letters.empty() && letters.back() == '\0')
     {
         letters.pop_back();
     }