From 18034276608ec2c61198e7e38065997d47cf3725 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 8 Nov 2015 07:46:39 +0000
Subject: symbol.c: rb_cstr_intern

* symbol.c (rb_cstr_intern): new function to make Symbol object
  like as rb_str_intern() but from pointer to the name, its length
  and its encoding.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 internal.h | 5 +++++
 symbol.c   | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/internal.h b/internal.h
index d135035607..eb78a88ae1 100644
--- a/internal.h
+++ b/internal.h
@@ -1129,6 +1129,11 @@ size_t rb_str_memsize(VALUE);
 VALUE rb_sym_proc_call(VALUE args, VALUE sym, int argc, const VALUE *argv, VALUE passed_proc);
 VALUE rb_sym_to_proc(VALUE sym);
 
+/* symbol.c */
+#ifdef RUBY_ENCODING_H
+VALUE rb_cstr_intern(const char *ptr, long len, rb_encoding *enc);
+#endif
+
 /* struct.c */
 VALUE rb_struct_init_copy(VALUE copy, VALUE s);
 
diff --git a/symbol.c b/symbol.c
index f46acf22b7..4fe3adf724 100644
--- a/symbol.c
+++ b/symbol.c
@@ -1013,6 +1013,14 @@ rb_check_symbol_cstr(const char *ptr, long len, rb_encoding *enc)
     return Qnil;
 }
 
+VALUE
+rb_cstr_intern(const char *ptr, long len, rb_encoding *enc)
+{
+    struct RString fake_str;
+    const VALUE name = rb_setup_fake_str(&fake_str, ptr, len, enc);
+    return rb_str_intern(name);
+}
+
 static ID
 attrsetname_to_attr_id(VALUE name)
 {
-- 
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