* struct.c (make_struct): remove redefining constant when

  conflict.  [ruby-dev:24210]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6854 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/struct.c b/struct.c
index e629f9827d..b47d647490 100644
--- a/struct.c
+++ b/struct.c
@@ -177,6 +177,10 @@ make_struct(name, member, klass)
 	if (!rb_is_const_id(id)) {
 	    rb_name_error(id, "identifier %s needs to be constant", cname);
 	}
+	if (rb_const_defined_at(klass, id)) {
+	    rb_warn("redefining constant Struct::%s", cname);
+	    rb_mod_remove_const(klass, ID2SYM(id));
+	}
 	nstr = rb_define_class_under(klass, cname, klass);
     }
     rb_iv_set(nstr, "__size__", LONG2NUM(RARRAY(member)->len));
@@ -455,6 +459,10 @@ inspect_struct(s)
     if (NIL_P(member)) {
 	rb_bug("non-initialized struct");
     }
+    if (RSTRUCT(s)->len != RARRAY(member)->len) {
+	rb_raise(rb_eTypeError, "struct size differs (%d required %d given)",
+		 RARRAY(member)->len, RSTRUCT(s)->len);
+    }
 
     str = rb_str_buf_new2("#<struct ");
     rb_str_cat2(str, cname);