From 3ef97e3dd9fdd31ecca30d04d0fc3783ca8dab58 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Thu, 25 May 2017 10:40:35 +0900
Subject: Under MRB_INT64, width may be bigger than INT_MAX; fix #3665

---
 mrbgems/mruby-sprintf/src/sprintf.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'mrbgems/mruby-sprintf/src/sprintf.c')

diff --git a/mrbgems/mruby-sprintf/src/sprintf.c b/mrbgems/mruby-sprintf/src/sprintf.c
index 8df0d9360..b1dfabbc2 100644
--- a/mrbgems/mruby-sprintf/src/sprintf.c
+++ b/mrbgems/mruby-sprintf/src/sprintf.c
@@ -1034,6 +1034,9 @@ retry:
           if ((flags & FWIDTH) && need < width)
             need = width;
 
+          if (need < 0) {
+            mrb_raise(mrb, E_ARGUMENT_ERROR, "width too big");
+          }
           FILL(' ', need);
           if (flags & FMINUS) {
             if (sign)
-- 
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