diff options
Diffstat (limited to 'ext/stringio/stringio.c')
| -rw-r--r-- | ext/stringio/stringio.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c index a6ba07307e..4f682b3a20 100644 --- a/ext/stringio/stringio.c +++ b/ext/stringio/stringio.c @@ -148,7 +148,7 @@ static VALUE strio_closed _((VALUE)); static VALUE strio_closed_read _((VALUE)); static VALUE strio_closed_write _((VALUE)); static VALUE strio_eof _((VALUE)); -static VALUE strio_clone _((VALUE)); +static VALUE strio_become _((VALUE, VALUE)); static VALUE strio_get_lineno _((VALUE)); static VALUE strio_set_lineno _((VALUE, VALUE)); static VALUE strio_get_pos _((VALUE)); @@ -405,14 +405,17 @@ strio_eof(self) } static VALUE -strio_clone(self) - VALUE self; +strio_become(copy, orig) + VALUE copy, orig; { - struct StringIO *ptr = StringIO(self); - VALUE clone = rb_call_super(0, 0); - DATA_PTR(clone) = ptr; + struct StringIO *ptr = StringIO(orig); + + if (DATA_PTR(copy)) { + strio_free(DATA_PTR(ptr)); + } + DATA_PTR(copy) = ptr; ++ptr->count; - return self; + return copy; } static VALUE @@ -883,8 +886,7 @@ Init_stringio() rb_define_singleton_method(StringIO, "open", strio_s_open, -1); rb_define_method(StringIO, "initialize", strio_initialize, -1); rb_enable_super(StringIO, "initialize"); - rb_define_method(StringIO, "clone", strio_clone, 0); - rb_enable_super(StringIO, "clone"); + rb_define_method(StringIO, "become", strio_become, 1); rb_define_method(StringIO, "reopen", strio_reopen, -1); rb_define_method(StringIO, "string", strio_get_string, 0); |