From 9c00b7dc75806324589b9de38dc234f73d501390 Mon Sep 17 00:00:00 2001
From: vvaltman <vvaltman@neon>
Date: Wed, 27 May 2015 16:49:52 +0300
Subject: [PATCH] not cause error on empty string in input

---
 interface.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/interface.c b/interface.c
index 303426d..deca2d9 100644
--- a/interface.c
+++ b/interface.c
@@ -2621,6 +2621,11 @@ void interpreter_ex (char *line, void *ex) {
     in_readline = 0;
     return; 
   }
+  if (!*line) {
+    in_readline = 0;
+    return;
+  }
+
   if (line && *line) {
     add_history (line);
   }