ruby-changes:8629
From: matz <ko1@a...>
Date: Mon, 10 Nov 2008 09:51:27 +0900 (JST)
Subject: [ruby-changes:8629] Ruby:r20164 (trunk): * struct.c (rb_struct_initialize_m): avoid unnecessary array
matz 2008-11-10 09:51:14 +0900 (Mon, 10 Nov 2008) New Revision: 20164 http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=20164 Log: * struct.c (rb_struct_initialize_m): avoid unnecessary array allocation. Modified files: trunk/ChangeLog trunk/struct.c Index: ChangeLog =================================================================== --- ChangeLog (revision 20163) +++ ChangeLog (revision 20164) @@ -1,3 +1,8 @@ +Sun Nov 9 13:04:52 2008 Yukihiro Matsumoto <matz@r...> + + * struct.c (rb_struct_initialize_m): avoid unnecessary array + allocation. + Sun Nov 9 04:10:19 2008 Nobuyoshi Nakada <nobu@r...> * vm_dump.c (control_frame_dump): suppresses finished method name. Index: struct.c =================================================================== --- struct.c (revision 20163) +++ struct.c (revision 20164) @@ -352,25 +352,30 @@ /* */ -VALUE -rb_struct_initialize(VALUE self, VALUE values) +static VALUE +rb_struct_initialize_m(int argc, VALUE *argv, VALUE self) { VALUE klass = rb_obj_class(self); long n; rb_struct_modify(self); n = num_members(klass); - if (n < RARRAY_LEN(values)) { + if (n < argc) { rb_raise(rb_eArgError, "struct size differs"); } - MEMCPY(RSTRUCT_PTR(self), RARRAY_PTR(values), VALUE, RARRAY_LEN(values)); - if (n > RARRAY_LEN(values)) { - rb_mem_clear(RSTRUCT_PTR(self)+RARRAY_LEN(values), - n-RARRAY_LEN(values)); + MEMCPY(RSTRUCT_PTR(self), argv, VALUE, argc); + if (n > argc) { + rb_mem_clear(RSTRUCT_PTR(self)+argc, n-argc); } return Qnil; } +VALUE +rb_struct_initialize(VALUE self, VALUE values) +{ + return rb_struct_initialize_m(RARRAY_LEN(values), RARRAY_PTR(values), self); +} + static VALUE struct_alloc(VALUE klass) { @@ -879,7 +884,7 @@ rb_undef_alloc_func(rb_cStruct); rb_define_singleton_method(rb_cStruct, "new", rb_struct_s_def, -1); - rb_define_method(rb_cStruct, "initialize", rb_struct_initialize, -2); + rb_define_method(rb_cStruct, "initialize", rb_struct_initialize_m, -1); rb_define_method(rb_cStruct, "initialize_copy", rb_struct_init_copy, 1); rb_define_method(rb_cStruct, "==", rb_struct_equal, 1); -- ML: ruby-changes@q... Info: http://www.atdot.net/~ko1/quickml/