From a891df30dc238a3a8943cb0b98647f69b71c034c Mon Sep 17 00:00:00 2001
From: Oleh Krehel <ohwoeowho@gmail.com>
Date: Thu, 21 Apr 2016 16:41:55 +0200
Subject: [PATCH] swiper.el (swiper--multi-candidates): Add check

Avoid calling `make-string' with a negative number.

Fixes #481
---
 swiper.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/swiper.el b/swiper.el
index 349c3d4c1..2d4da5e95 100644
--- a/swiper.el
+++ b/swiper.el
@@ -677,7 +677,8 @@ Run `swiper' for those buffers."
                      (1- len) len 'display
                      (concat
                       (make-string
-                       (- ww (string-width s) (length (buffer-name)) 3)
+                       (max 0
+                            (- ww (string-width s) (length (buffer-name)) 3))
                        ?\ )
                       (buffer-name))
                      s)
-- 
2.39.2