From 48925716c49735e751dffaede68a4d9dcef68cc5 Mon Sep 17 00:00:00 2001
From: tadf <tadf@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 30 Jan 2008 13:07:45 +0000
Subject: 	*  bignum.c (rb_cstr_to_inum): '0_2' is a valid
 representation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@15343 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bignum.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'bignum.c')

diff --git a/bignum.c b/bignum.c
index 88bf9e03e6..81fa9c3916 100644
--- a/bignum.c
+++ b/bignum.c
@@ -416,7 +416,7 @@ rb_cstr_to_inum(str, base, badcheck)
 	len = 2;
 	break;
       case 8:
-	if (str[0] == '0' && (str[1] == 'o'||str[1] == 'O'||str[1] == '_')) {
+	if (str[0] == '0' && (str[1] == 'o'||str[1] == 'O')) {
 	    str += 2;
 	}
       case 4: case 5: case 6: case 7:
@@ -448,7 +448,14 @@ rb_cstr_to_inum(str, base, badcheck)
 	break;
     }
     if (*str == '0') {		/* squeeze preceeding 0s */
-	while (*++str == '0');
+	int us = 0;
+	while ((c = *++str) == '0' || c == '_') {
+	    if (c == '_') {
+		if (++us >= 2)
+		    break;
+	    } else
+		us = 0;
+	}
 	if (!(c = *str) || ISSPACE(c)) --str;
     }
     c = *str;
-- 
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