+ t->sequenceNumber = ptt->sequenceNumber;
+
+ /* Do extra header info stuff */
+
+ if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
+ t->chunkId = 0;
+ t->byteCount = 0;
+
+ t->extraHeaderInfoAvailable = 1;
+ t->extraParentObjectId =
+ ptt->chunkId & (~(ALL_EXTRA_FLAGS));
+ t->extraIsShrinkHeader =
+ (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
+ t->extraShadows =
+ (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
+ t->extraObjectType =
+ ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
+ t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
+
+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
+ t->extraEquivalentObjectId = ptt->byteCount;
+ } else {
+ t->extraFileLength = ptt->byteCount;
+ }
+ }
+ }
+
+ yaffs_DumpPackedTags2TagsPart(ptt);
+ yaffs_DumpTags2(t);
+
+}
+
+
+void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
+{
+
+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+
+ if (pt->t.sequenceNumber != 0xFFFFFFFF) {
+ /* Page is in use */
+#ifndef YAFFS_IGNORE_TAGS_ECC
+ {
+ yaffs_ECCOther ecc;
+ int result;
+ yaffs_ECCCalculateOther((unsigned char *)&pt->t,
+ sizeof
+ (yaffs_PackedTags2TagsPart),
+ &ecc);
+ result =
+ yaffs_ECCCorrectOther((unsigned char *)&pt->t,
+ sizeof
+ (yaffs_PackedTags2TagsPart),
+ &pt->ecc, &ecc);
+ switch(result){
+ case 0:
+ eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+ break;
+ case 1:
+ eccResult = YAFFS_ECC_RESULT_FIXED;
+ break;
+ case -1:
+ eccResult = YAFFS_ECC_RESULT_UNFIXED;
+ break;
+ default:
+ eccResult = YAFFS_ECC_RESULT_UNKNOWN;
+ }
+ }
+#endif