X-Git-Url: http://www.aleph1.co.uk/gitweb/?a=blobdiff_plain;f=yaffs_packedtags1.c;fp=yaffs_packedtags1.c;h=018eacf99d7671bbe61c1626f91fae3f402672ad;hb=f216bcabdaf791aa93ad2e58c1d747d2d8bd6617;hp=0000000000000000000000000000000000000000;hpb=a095ce00d3a3102807fe540f77e7ec17daba967f;p=yaffs2.git

diff --git a/yaffs_packedtags1.c b/yaffs_packedtags1.c
new file mode 100644
index 0000000..018eacf
--- /dev/null
+++ b/yaffs_packedtags1.c
@@ -0,0 +1,42 @@
+#include "yaffs_packedtags1.h"
+#include "yportenv.h"
+
+void yaffs_PackTags1(yaffs_PackedTags1 *pt, yaffs_ExtendedTags *t)
+{
+	pt->chunkId = t->chunkId;
+	pt->serialNumber = t->serialNumber;
+	pt->byteCount = t->byteCount;
+	pt->objectId = t->objectId;
+	pt->ecc = 0;
+	pt->deleted = (t->chunkDeleted) ? 0 : 1;
+	pt->unusedStuff = 0;
+	pt->shouldBeFF = 0xFFFFFFFF;
+	
+}
+
+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, yaffs_PackedTags1 *pt)
+{
+	static const __u8 allFF[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,0xff, 0xff, 0xff, 0xff};
+	
+	if(memcmp(allFF,pt,sizeof(yaffs_PackedTags1)))
+	{
+		t->blockBad = 0;
+		if(pt->shouldBeFF != 0xFFFFFFFF)
+		{
+			t->blockBad = 1;
+		}
+		t->chunkUsed = 1;
+		t->objectId = pt->objectId;
+		t->chunkId = pt->chunkId;
+		t->byteCount = pt->byteCount;
+		t->eccResult = 	YAFFS_ECC_RESULT_NO_ERROR;
+		t->chunkDeleted = (pt->deleted) ? 0 : 1;
+		t->serialNumber = pt->serialNumber;
+	}
+	else
+	{
+		memset(t,0,sizeof(yaffs_ExtendedTags));
+		
+	}
+}
+