From 37da2899f40661e3e9631e497da8dc59b971cbd0 Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Fri, 22 Dec 2006 17:07:39 +0000
Subject: 20060303a

---
 libnandfs/extracttags.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 libnandfs/extracttags.c

(limited to 'libnandfs/extracttags.c')

diff --git a/libnandfs/extracttags.c b/libnandfs/extracttags.c
new file mode 100644
index 00000000..be3fc2da
--- /dev/null
+++ b/libnandfs/extracttags.c
@@ -0,0 +1,26 @@
+#include "lib9.h"
+#include "logfs.h"
+#include "nandfs.h"
+#include "local.h"
+
+void
+_nandfsextracttags(NandfsAuxiliary *hdr, NandfsTags *tags)
+{
+	ulong tmp;
+	tmp = (getbig2(hdr->nerasemagicmsw) << 16) | getbig2(hdr->nerasemagiclsw);
+	if (tmp == 0xffffffff) {
+		tags->nerase = 0xffffffff;
+		tags->magic = 0xff;
+	}
+	else {
+		tags->nerase = (tmp >> 6) & 0x3ffff;
+		tags->magic = tmp >> 24;
+	}
+	tmp = getbig4(hdr->parth);
+	if (tmp != 0xffffffff)
+		tags->path = tmp >> 6;
+	else
+		tags->path = 0xffffffff;
+	tags->tag = hdr->tag;
+}
+
-- 
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