From c2af9756098d052eb577c35ba996a6fd93ed6442 Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Thu, 29 Sep 2022 20:14:58 +0900
Subject: [PATCH] fix: add missing include file and specifiers

---
 toml/exception.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/toml/exception.hpp b/toml/exception.hpp
index c219216..2b0bc63 100644
--- a/toml/exception.hpp
+++ b/toml/exception.hpp
@@ -4,6 +4,7 @@
 #define TOML11_EXCEPTION_HPP
 #include <stdexcept>
 #include <string>
+#include <cstring>
 
 #include "source_location.hpp"
 
@@ -17,7 +18,8 @@ struct file_io_error : public std::runtime_error
         : std::runtime_error(msg + " \"" + fname + "\": " + std::strerror(errnum)),
           errno_(errnum)
     {}
-    int get_errno() {return errno_;}
+    int get_errno() const noexcept {return errno_;}
+
   private:
     int errno_;
 };