glass	2013-07-22 17:37:46 +0900 (Mon, 22 Jul 2013)

  New Revision: 42110

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42110

  Log:
    * string.c (rb_str_each_char_size): performance implement by
      using rb_str_length().

  Modified files:
    trunk/ChangeLog
    trunk/string.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 42109)
+++ ChangeLog	(revision 42110)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jul 22 17:24:14 2013  Masaki Matsushita  <glass.saga@g...>
+
+	* string.c (rb_str_each_char_size): performance implement by
+	  using rb_str_length().
+
 Mon Jul 22 16:32:48 2013  Nobuyoshi Nakada  <nobu@r...>
 
 	* vm_eval.c (eval_string_with_cref): check by Check_TypedStruct
Index: string.c
===================================================================
--- string.c	(revision 42109)
+++ string.c	(revision 42110)
@@ -6501,16 +6501,7 @@ rb_str_bytes(VALUE str) https://github.com/ruby/ruby/blob/trunk/string.c#L6501
 static VALUE
 rb_str_each_char_size(VALUE str, VALUE args, VALUE eobj)
 {
-    long len = RSTRING_LEN(str);
-    if (!single_byte_optimizable(str)) {
-	const char *ptr = RSTRING_PTR(str);
-	rb_encoding *enc = rb_enc_get(str);
-	const char *end_ptr = ptr + len;
-	for (len = 0; ptr < end_ptr; ++len) {
-	    ptr += rb_enc_mbclen(ptr, end_ptr, enc);
-	}
-    }
-    return LONG2FIX(len);
+    return rb_str_length(str);
 }
 
 static VALUE

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