diff options
Diffstat (limited to 'ext/digest/digest.c')
-rw-r--r-- | ext/digest/digest.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); |