X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_packedtags2.h;h=675e719460a839042be3fac805f826a58f979d06;hp=564dd58d614aa7714a3749560022652fe98571a0;hb=33308768bd24abe4e1f59c5025a3dd824119ae1d;hpb=6d328375504ad23f4731f17fcf12eeeb26a55f21

diff --git a/yaffs_packedtags2.h b/yaffs_packedtags2.h
index 564dd58..675e719 100644
--- a/yaffs_packedtags2.h
+++ b/yaffs_packedtags2.h
@@ -1,30 +1,47 @@
-// This is used to pack YAFFS2 tags, not YAFFS1tags.
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+/* This is used to pack YAFFS2 tags, not YAFFS1tags. */
 
 #ifndef __YAFFS_PACKEDTAGS2_H__
 #define __YAFFS_PACKEDTAGS2_H__
 
-
 #include "yaffs_guts.h"
 #include "yaffs_ecc.h"
 
-
-typedef struct
-{   
-    unsigned sequenceNumber;
-    unsigned objectId;    
-    unsigned chunkId;
-    unsigned byteCount;    
-} yaffs_PackedTags2TagsPart;
-
-typedef struct
-{
-    yaffs_PackedTags2TagsPart t;
-    yaffs_ECCOther ecc;
-} yaffs_PackedTags2;
-
-
-void yaffs_PackTags2(yaffs_PackedTags2 *pt, const  yaffs_ExtendedTags *t);
-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt);
+struct yaffs_packed_tags2_tags_only {
+	unsigned seq_number;
+	unsigned obj_id;
+	unsigned chunk_id;
+	unsigned n_bytes;
+};
+
+struct yaffs_packed_tags2 {
+	struct yaffs_packed_tags2_tags_only t;
+	struct yaffs_ecc_other ecc;
+};
+
+/* Full packed tags with ECC, used for oob tags */
+void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt,
+		      const struct yaffs_ext_tags *t, int tags_ecc);
+void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt,
+			int tags_ecc);
+
+/* Only the tags part (no ECC for use with inband tags */
+void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *pt,
+				const struct yaffs_ext_tags *t);
+void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t,
+				  struct yaffs_packed_tags2_tags_only *pt);
 #endif
-
-