From 52f5f410e4ce1614793328d38d55f84f66371e6e Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 18 May 2011 13:41:54 +0000 Subject: * internal.h: add for internal use only. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31627 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/digest/digest.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'ext/digest/digest.c') diff --git a/ext/digest/digest.c b/ext/digest/digest.c index 6f9149c31d..d535b35980 100644 --- a/ext/digest/digest.c +++ b/ext/digest/digest.c @@ -436,14 +436,14 @@ get_digest_base_metadata(VALUE klass) VALUE obj; rb_digest_metadata_t *algo; - for (p = klass; p; p = RCLASS_SUPER(p)) { + for (p = klass; !NIL_P(p); p = rb_class_superclass(p)) { if (rb_ivar_defined(p, id_metadata)) { obj = rb_ivar_get(p, id_metadata); break; } } - if (!p) + if (NIL_P(p)) rb_raise(rb_eRuntimeError, "Digest::Base cannot be directly inherited in Ruby"); Data_Get_Struct(obj, rb_digest_metadata_t, algo); -- cgit v1.2.3