From 9ae6f03b3496c5b05d7b3607f777bb3b113eeee7 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 21 Jul 2008 19:26:18 +0000
Subject: * include/ruby/intern.h (rb_str_buf_new2): optimization for literals.

* string.c (str_buf_cat): returns VALUE.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@18148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/intern.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'include/ruby')

diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index 29fa2c2a2..3d63c3877 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -597,6 +597,13 @@ VALUE rb_str_length(VALUE);
 	rb_usascii_str_new(str, strlen(str)) : \
 	rb_usascii_str_new2(str);	       \
 })
+#define rb_str_buf_new2(str) __extension__ ( \
+{						\
+    (__builtin_constant_p(str)) ?		\
+	rb_str_buf_cat(rb_str_buf_new(strlen(str)), \
+		       str, strlen(str)) :	\
+	rb_str_buf_new2(str);			\
+})
 #define rb_str_buf_cat2(str, ptr) __extension__ ( \
 {						\
     (__builtin_constant_p(ptr)) ?	        \
-- 
cgit