From d2f2f642c16fb0995f8d7f7a59d8529577558ac9 Mon Sep 17 00:00:00 2001
From: Alexandre Bury <alexandre.bury@gmail.com>
Date: Tue, 1 Aug 2017 09:44:40 -0700
Subject: [PATCH] Protect LinesIterator from zero width

Fixes #147
---
 src/utils/lines_iterator.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils/lines_iterator.rs b/src/utils/lines_iterator.rs
index c89bcd4..65de257 100644
--- a/src/utils/lines_iterator.rs
+++ b/src/utils/lines_iterator.rs
@@ -99,7 +99,11 @@ impl<'a> Iterator for LinesIterator<'a> {
         let content = &content[..next];
 
         let allowed_width = if self.show_spaces {
-            self.width - 1
+            if self.width < 1 {
+                0
+            } else {
+                self.width - 1
+            }
         } else {
             self.width
         };