string.c: UTF-8 string function

* string.c (rb_utf8_str_new, rb_utf8_str_new_cstr): make UTF-8
  string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47625 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 0 deletions

diff --git a/string.c b/string.c
index 05e4e802cd..9c562ff78d 100644
--- a/string.c
+++ b/string.c
@@ -34,6 +34,7 @@
 #undef rb_str_new_cstr
 #undef rb_tainted_str_new_cstr
 #undef rb_usascii_str_new_cstr
+#undef rb_utf8_str_new_cstr
 #undef rb_enc_str_new_cstr
 #undef rb_external_str_new_cstr
 #undef rb_locale_str_new_cstr
@@ -589,6 +590,14 @@ rb_usascii_str_new(const char *ptr, long len)
 }
 
 VALUE
+rb_utf8_str_new(const char *ptr, long len)
+{
+    VALUE str = str_new(rb_cString, ptr, len);
+    rb_enc_associate_index(str, rb_utf8_encindex());
+    return str;
+}
+
+VALUE
 rb_enc_str_new(const char *ptr, long len, rb_encoding *enc)
 {
     VALUE str;
@@ -616,6 +625,14 @@ rb_usascii_str_new_cstr(const char *ptr)
 }
 
 VALUE
+rb_utf8_str_new_cstr(const char *ptr)
+{
+    VALUE str = rb_str_new_cstr(ptr);
+    rb_enc_associate_index(str, rb_utf8_encindex());
+    return str;
+}
+
+VALUE
 rb_enc_str_new_cstr(const char *ptr, rb_encoding *enc)
 {
     must_not_null(ptr);