* range.c (range_step): fixed integer overflow. [ruby-dev:31763]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@13422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 11 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index 892473285..eafbde83e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 10 01:05:25 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* range.c (range_step): fixed integer overflow.  [ruby-dev:31763]
+
 Sun Sep  9 08:57:27 2007  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* lib/date/format.rb (_strptime): now also attaches an element
diff --git a/range.c b/range.c
index 41c1cf088..f5a8d15f5 100644
--- a/range.c
+++ b/range.c
@@ -332,8 +332,11 @@ range_step(int argc, VALUE *argv, VALUE range)
 
 	if (!EXCL(range))
 	    end += 1;
-	for (i = FIX2LONG(b); i < end; i += unit) {
+	i = FIX2LONG(b);	
+	while (i < end) {
 	    rb_yield(LONG2NUM(i));
+	    if (i + unit < i) break;
+	    i += unit;
 	}
     }
     else {
diff --git a/version.h b/version.h
index a5be8a313..dec1cec9b 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-09-08"
+#define RUBY_RELEASE_DATE "2007-09-10"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20070908
+#define RUBY_RELEASE_CODE 20070910
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 8
+#define RUBY_RELEASE_DAY 10
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];