xnu-3248.40.184.tar.gz

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

diff --git a/bsd/sys/xattr.h b/bsd/sys/xattr.h
index 46b0ffd8783f4865dc41ceca616b74184de6b4ed..1e062b615d18f735e2309a7097337bb865e2ca7d 100644 (file)
--- a/bsd/sys/xattr.h
+++ b/bsd/sys/xattr.h
@@ -1,14 +1,19 @@
 /*
- * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2012 Apple 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@
  */
 
 #ifndef _SYS_XATTR_H_
@@ -36,17 +41,44 @@
 /* Set this to bypass authorization checking (eg. if doing auth-related work) */
 #define XATTR_NOSECURITY 0x0008
 
+/* Set this to bypass the default extended attribute file (dot-underscore file) */
+#define XATTR_NODEFAULT  0x0010
+
+/* option for f/getxattr() and f/listxattr() to expose the HFS Compression extended attributes */
+#define XATTR_SHOWCOMPRESSION 0x0020
+
 #define        XATTR_MAXNAMELEN   127
 
+/* See the ATTR_CMN_FNDRINFO section of getattrlist(2) for details on FinderInfo */
 #define        XATTR_FINDERINFO_NAME     "com.apple.FinderInfo"
 
 #define        XATTR_RESOURCEFORK_NAME   "com.apple.ResourceFork"
 
 
 #ifdef KERNEL
+
+#ifdef KERNEL_PRIVATE
+#define XATTR_VNODE_SUPPORTED(vp) \
+       ((vp)->v_type == VREG || (vp)->v_type == VDIR || (vp)->v_type == VLNK || (vp)->v_type == VSOCK || (vp)->v_type == VFIFO)
+#endif
+
 __BEGIN_DECLS
 int  xattr_protected(const char *);
 int  xattr_validatename(const char *);
+
+/* Maximum extended attribute size supported by VFS */
+#define XATTR_MAXSIZE          INT32_MAX 
+
+#ifdef PRIVATE
+/* Maximum extended attribute size in an Apple Double file */  
+#define AD_XATTR_MAXSIZE       XATTR_MAXSIZE
+
+/* Number of bits used to represent the maximum size of 
+ * extended attribute stored in an Apple Double file.
+ */
+#define AD_XATTR_SIZE_BITS     31
+#endif /* PRIVATE */
+
 __END_DECLS
 #endif /* KERNEL */