From d66f2d44434de14899bc20b053238ea833360ec2 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 25 Dec 2017 02:42:13 +0000
Subject: prelude.c.tmpl: static literals

* template/prelude.c.tmpl (PRELUDE_STR): make string objects with
  static literals not to copy them.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61460 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 template/prelude.c.tmpl | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

(limited to 'template/prelude.c.tmpl')

diff --git a/template/prelude.c.tmpl b/template/prelude.c.tmpl
index f755a39d8c..72c8c7107b 100644
--- a/template/prelude.c.tmpl
+++ b/template/prelude.c.tmpl
@@ -85,7 +85,10 @@ Prelude.new(output && output[/\w+(?=_prelude.c\b)/] || 'prelude', ARGV, vpath).i
 % preludes = @preludes.values.sort
 % preludes.each {|i, prelude, lines, sub|
 
-static const char prelude_name<%=i%><%=%>[] = "<%=c_esc(prelude_name(*prelude))%>";
+%   name = prelude_name(*prelude)
+static const struct {
+  char L0[<%=name.size%><%=%>];
+} prelude_name<%=i%><%=%> = {"<%=c_esc(name)%>"};
 static const struct {
 %   size = beg = 0
 %   lines.each_with_index {|(line, comment), n|
@@ -135,6 +138,7 @@ prelude_prefix_path(VALUE self)
 % end
 
 % unless preludes.empty?
+#define PRELUDE_STR(n) rb_usascii_str_new_static(prelude_##n.L0, sizeof(prelude_##n))
 static void
 prelude_eval(VALUE code, VALUE name, int line)
 {
@@ -185,8 +189,8 @@ prelude_require(VALUE self, VALUE nth)
 %   @preludes.each_value do |i, prelude, lines, sub|
 %     if sub
       case <%=i%><%=%>:
-	code = rb_usascii_str_new(prelude_code<%=i%><%=%>.L0, sizeof(prelude_code<%=i%><%=%>));
-	name = rb_usascii_str_new(prelude_name<%=i%><%=%>, sizeof(prelude_name<%=i%><%=%>) - 1);
+	code = PRELUDE_STR(code<%=i%><%=%>);
+	name = PRELUDE_STR(name<%=i%><%=%>);
 	break;
 %     end
 %   end
@@ -218,10 +222,7 @@ Init_<%=@init_name%><%=%>(void)
 % end
 % preludes.each do |i, prelude, lines, sub|
 %   next if sub
-    prelude_eval(
-      rb_usascii_str_new(prelude_code<%=i%><%=%>.L0, sizeof(prelude_code<%=i%><%=%>)),
-      rb_usascii_str_new(prelude_name<%=i%><%=%>, sizeof(prelude_name<%=i%><%=%>) - 1),
-      1);
+    prelude_eval(PRELUDE_STR(code<%=i%><%=%>), PRELUDE_STR(name<%=i%><%=%>), 1);
 % end
 % if @have_sublib
     rb_gc_force_recycle(prelude);
-- 
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