From 53737990fe160d3f0d04aab9234381e1455c8a57 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 23 Jul 2017 09:44:48 +0000
Subject: sprintf.c: width too big

* sprintf.c (rb_str_format): explicitly reject too big negative
  width, instead of an empty string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59410 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 sprintf.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'sprintf.c')

diff --git a/sprintf.c b/sprintf.c
index 74229cc2d7..0d685ddbaf 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -648,6 +648,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
 	    if (width < 0) {
 		flags |= FMINUS;
 		width = -width;
+		if (width < 0) rb_raise(rb_eArgError, "width too big");
 	    }
 	    p++;
 	    goto retry;
-- 
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