bool authorizesUI() const;
public:
- static const AccessCredentials &null; // all null credential
+ static const AccessCredentials& null_credential();
// turn NULL into a null credential if needed
static const AccessCredentials *needed(const CSSM_ACCESS_CREDENTIALS *cred)
- { return cred ? overlay(cred) : &null; }
+ { return cred ? overlay(cred) : &null_credential(); }
};