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 c9ecf4275713e8ac6bd5da0c72a5fc40381bf07c..1e062b615d18f735e2309a7097337bb865e2ca7d 100644 (file)
--- a/bsd/sys/xattr.h
+++ b/bsd/sys/xattr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2012 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -49,17 +49,36 @@
 
 #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 *);
 
-#define XATTR_MAXSIZE  (64 * 1024 * 1024)
+/* 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 */