From d62c9fefd9a69438698f644bb4cd4fdb6ecbc13c Mon Sep 17 00:00:00 2001
From: Forrest Voight <forrest@forre.st>
Date: Wed, 8 Nov 2017 22:08:27 -0500
Subject: [PATCH] Fixed bfd_close being called on null pointer if bfd_fdopenr
 returns null

---
 backward.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backward.hpp b/backward.hpp
index 4674d31..ed82fa1 100644
--- a/backward.hpp
+++ b/backward.hpp
@@ -330,7 +330,7 @@ public:
 	}
 
 	explicit handle(): _val(), _empty(true) {}
-	explicit handle(T val): _val(val), _empty(false) {}
+	explicit handle(T val): _val(val), _empty(false) { if(!_val) _empty = true; }
 
 #ifdef BACKWARD_ATLEAST_CXX11
 	handle(handle&& from): _empty(true) {