* time.c (time_strftime): copy encoding from format. [ruby-dev:33303]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15181 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Jan 23 15:25:04 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* time.c (time_strftime): copy encoding from format.  [ruby-dev:33303]
+
 Wed Jan 23 15:04:11 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* string.c (str_make_independent): should set length.

time.c

@@ -2065,6 +2065,7 @@ rb_strftime(char **buf, const char *format, struct tm *time)
 static VALUE
 time_strftime(VALUE time, VALUE format)
 {
+    void rb_enc_copy(VALUE, VALUE);
     struct time_object *tobj;
     char buffer[SMALLBUF], *buf = buffer;
     const char *fmt;
@@ -2105,6 +2106,7 @@ time_strftime(VALUE time, VALUE format)
     }
     str = rb_str_new(buf, len);
     if (buf != buffer) free(buf);
+    rb_enc_copy(str, format);
     return str;
 }