From cc7ff9d2f9b8f2562d119b4a00d78c69f40cf6af Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 11 Nov 2008 18:31:06 +0000
Subject: [PATCH] * include/ruby/intern.h (rb_{external,locale}_str_new_cstr):
 optimized   versions for literal strings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20224 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog             |  5 +++++
 include/ruby/intern.h | 12 ++++++++++++
 string.c              |  2 ++
 3 files changed, 19 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index db0576455b..a4ce409c77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Nov 12 03:30:59 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* include/ruby/intern.h (rb_{external,locale}_str_new_cstr): optimized
+	  versions for literal strings.
+
 Wed Nov 12 03:28:41 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* load.c (rb_require_safe): destroys barrier after successfully
diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index a04ae309b8..a2d4fcb91a 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -621,6 +621,18 @@ size_t rb_str_capacity(VALUE);
 	rb_usascii_str_new(str, strlen(str)) : \
 	rb_usascii_str_new_cstr(str);	       \
 })
+#define rb_external_str_new_cstr(str) __extension__ ( \
+{						\
+    (__builtin_constant_p(str)) ?		\
+	rb_external_str_new(str, strlen(str)) : \
+	rb_external_str_new_cstr(str);		\
+})
+#define rb_locale_str_new_cstr(str) __extension__ ( \
+{					       \
+    (__builtin_constant_p(str)) ?	       \
+	rb_locale_str_new(str, strlen(str)) :  \
+	rb_locale_str_new_cstr(str);	       \
+})
 #define rb_str_buf_new_cstr(str) __extension__ ( \
 {						\
     (__builtin_constant_p(str)) ?		\
diff --git a/string.c b/string.c
index 3dd86c9119..d931cd9ca4 100644
--- a/string.c
+++ b/string.c
@@ -28,6 +28,8 @@
 #undef rb_str_new_cstr
 #undef rb_tainted_str_new_cstr
 #undef rb_usascii_str_new_cstr
+#undef rb_external_str_new_cstr
+#undef rb_locale_str_new_cstr
 #undef rb_str_new2
 #undef rb_str_new3
 #undef rb_str_new4