xnu-792.22.5.tar.gz

[apple/xnu.git] / bsd / sys / ucred.h

diff --git a/bsd/sys/ucred.h b/bsd/sys/ucred.h
index bb3c1e1be8333c73c3175cebd24be66b5273c056..6860d9214915b63e9fc98052f7ebd4dcebe9536a 100644 (file)
--- a/bsd/sys/ucred.h
+++ b/bsd/sys/ucred.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 /*
@@ -104,6 +109,8 @@ struct xucred {
 #define NOCRED ((kauth_cred_t )0)      /* no credential available */
 #define FSCRED ((kauth_cred_t )-1)     /* filesystem credential */
 
+#define IS_VALID_CRED(_cr)     ((_cr) != NOCRED && (_cr) != FSCRED)
+
 #ifdef KERNEL
 #ifdef __APPLE_API_OBSOLETE
 __BEGIN_DECLS