merges r23568 from trunk into ruby_1_9_1.

--
* string.c (rb_str_each_char, rb_str_each_codepoint): string
  length must be long.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@23762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 2 deletions

diff --git a/string.c b/string.c
index 3026de17d..5b73d1b96 100644
--- a/string.c
+++ b/string.c
@@ -5710,7 +5710,7 @@ rb_str_each_byte(VALUE str)
 static VALUE
 rb_str_each_char(VALUE str)
 {
-    int i, len, n;
+    long i, len, n;
     const char *ptr;
     rb_encoding *enc;
 
@@ -5759,7 +5759,8 @@ rb_str_each_char(VALUE str)
 static VALUE
 rb_str_each_codepoint(VALUE str)
 {
-    int len, n;
+    long len;
+    int n;
     unsigned int c;
     const char *ptr, *end;
     rb_encoding *enc;