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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_5@13451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 12 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index 92ec7cd667..dc3299bbe9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 17 04:31:46 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* range.c (range_step): fixed integer overflow.  [ruby-dev:31763]
+
 Fri Sep  7 14:57:36 2007  URABE Shyouhei  <shyouhei@ice.uec.ac.jp>
 
 	* ruby.c (rubylib_mangled_path): eliminate RSTRING_PTR
diff --git a/range.c b/range.c
index 5c1b61c2e4..5c8be90c63 100644
--- a/range.c
+++ b/range.c
@@ -319,8 +319,11 @@ range_step(argc, argv, range)
 
 	if (unit == 0) rb_raise(rb_eArgError, "step can't be 0");
 	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 08049bfa23..c89adf7d80 100644
--- a/version.h
+++ b/version.h
@@ -1,15 +1,15 @@
 #define RUBY_VERSION "1.8.5"
-#define RUBY_RELEASE_DATE "2007-09-07"
+#define RUBY_RELEASE_DATE "2007-09-17"
 #define RUBY_VERSION_CODE 185
-#define RUBY_RELEASE_CODE 20070907
-#define RUBY_PATCHLEVEL 109
+#define RUBY_RELEASE_CODE 20070917
+#define RUBY_PATCHLEVEL 110
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 5
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 7
+#define RUBY_RELEASE_DAY 17
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];