[PATCH] allow Ruby to deduplicate remaining globals

[Eric Wong <bofh@yhbt.net>]

Most of these are bound to be used in Rack/Rails/apps/gems,
(though possibly with different encodings).  Give Ruby
a chance to deduplicate them, at least.
---
 ext/unicorn_http/common_field_optimization.h | 1 -
 ext/unicorn_http/global_variables.h          | 2 +-
 ext/unicorn_http/unicorn_http.rl             | 1 +
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ext/unicorn_http/common_field_optimization.h b/ext/unicorn_http/common_field_optimization.h
index 0659fc7..250e43e 100644
--- a/ext/unicorn_http/common_field_optimization.h
+++ b/ext/unicorn_http/common_field_optimization.h
@@ -83,7 +83,6 @@ static void init_common_fields(void)
   struct common_field *cf = common_http_fields;
   char tmp[64];
 
-  id_uminus = rb_intern("-@");
   memcpy(tmp, HTTP_PREFIX, HTTP_PREFIX_LEN);
 
   for(i = ARRAY_SIZE(common_http_fields); --i >= 0; cf++) {
diff --git a/ext/unicorn_http/global_variables.h b/ext/unicorn_http/global_variables.h
index f8e694c..c9ceebd 100644
--- a/ext/unicorn_http/global_variables.h
+++ b/ext/unicorn_http/global_variables.h
@@ -55,7 +55,7 @@ NORETURN(static void parser_raise(VALUE klass, const char *));
 
 /** Defines global strings in the init method. */
 #define DEF_GLOBAL(N, val) do { \
-  g_##N = rb_obj_freeze(rb_str_new(val, sizeof(val) - 1)); \
+  g_##N = str_new_dd_freeze(val, (long)sizeof(val) - 1); \
   rb_gc_register_mark_object(g_##N); \
 } while (0)
 
diff --git a/ext/unicorn_http/unicorn_http.rl b/ext/unicorn_http/unicorn_http.rl
index 605b23f..ba23438 100644
--- a/ext/unicorn_http/unicorn_http.rl
+++ b/ext/unicorn_http/unicorn_http.rl
@@ -968,6 +968,7 @@ void Init_unicorn_http(void)
   e414 = rb_define_class_under(mUnicorn, "RequestURITooLongError",
                                eHttpParserError);
 
+  id_uminus = rb_intern("-@");
   init_globals();
   rb_define_alloc_func(cHttpParser, HttpParser_alloc);
   rb_define_method(cHttpParser, "initialize", HttpParser_init, 0);