X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=include%2Fwimlib%2Fwof.h;h=0d2cec26744bea22d102d41747f161479b341b6a;hb=5260cf0b5649fc25b9d69a97f9604a3be257e13e;hp=f87cb45488db381944eec9827644fb95f6ae277a;hpb=48cbaf483ce42242c30c61584e6808c05e705f7b;p=wimlib

diff --git a/include/wimlib/wof.h b/include/wimlib/wof.h
index f87cb454..0d2cec26 100644
--- a/include/wimlib/wof.h
+++ b/include/wimlib/wof.h
@@ -1,7 +1,7 @@
 /*
  * wof.h
  *
- * Definitions for the Windows Overlay File System Filter (WOF) ioctls, as well
+ * Definitions for the Windows Overlay Filesystem filter (WOF) ioctls, as well
  * some definitions for associated undocumented data structures.  See
  * http://msdn.microsoft.com/en-us/library/windows/hardware/ff540367(v=vs.85).aspx
  * for more information about the documented ioctls.
@@ -17,7 +17,7 @@
 #include "wimlib/types.h"
 
 /*
- * The Windows Overlay FileSystem Filter (WOF, a.k.a. wof.sys) is a filesystem
+ * The Windows Overlay Filesystem filter (WOF, a.k.a. wof.sys) is a filesystem
  * filter driver, available in Windows 8.1 and later, which allows files to be
  * "externally backed", meaning that their data is stored in another location,
  * possibly in compressed form.
@@ -170,16 +170,12 @@ struct WimOverlay_dat_header {
 	/* Set to 0x00000028  */
 	le32 unknown_0x08;
 
-	/* Set to number of WIMs registered;
-	 * also the number of 'struct WimOverlay_dat_entry_1' that follow.  */
-	le32 num_entries_1;
+	/* Set to number of WIMs registered (listed in the file)  */
+	le32 num_entries;
 
-	/* Set to number of WIMs registered;
-	 * also the number of 'struct WimOverlay_dat_entry_2' that follow.  */
-	le32 num_entries_2;
-
-	/* Set to 0  */
-	le32 unknown_0x14;
+	/* The next available data source ID.  This is tracked so that data
+	 * source IDs are never reused, even if a WIM is unregistered.  */
+	le64 next_data_source_id;
 
 	struct WimOverlay_dat_entry_1 entry_1s[];
 } _packed_attribute;
@@ -291,7 +287,7 @@ struct WimOverlay_dat_entry_2 {
 	} _packed_attribute;
 } _packed_attribute;
 
-static inline void
+static _unused_attribute void
 wof_check_structs(void)
 {
 	STATIC_ASSERT(sizeof(struct WimOverlay_dat_header) == 24);