From e3adeba5b2ceef912e36ee9d95678c4e22458a26 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 24 Nov 2006 01:24:51 +0000
Subject: * bignum.c (bignorm): avoid segmentation.  a patch from Hiroyuki  
 Ito <ZXB01226@nifty.com>.  [ruby-list:43012]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bignum.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'bignum.c')

diff --git a/bignum.c b/bignum.c
index 552648c631..cc3dd1e5c3 100644
--- a/bignum.c
+++ b/bignum.c
@@ -99,7 +99,10 @@ static VALUE
 bignorm(x)
     VALUE x;
 {
-    if (!FIXNUM_P(x)) {
+    if (FIXNUM_P(x)) {
+      return x;
+    }
+    else if (TYPE(x) == T_BIGNUM) {
 	long len = RBIGNUM(x)->len;
 	BDIGIT *ds = BDIGITS(x);
 
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