1 files changed, 79 insertions, 0 deletions
diff --git a/src/qam/qam_conv.c b/src/qam/qam_conv.c
new file mode 100644
index 00000000..beb7c973
--- /dev/null
+++ b/src/qam/qam_conv.c
@@ -0,0 +1,79 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1999, 2012 Oracle and/or its affiliates.  All rights reserved.
+ *
+ * $Id$
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+#include "dbinc/db_page.h"
+#include "dbinc/db_swap.h"
+#include "dbinc/db_am.h"
+#include "dbinc/qam.h"
+
+/*
+ * __qam_mswap --
+ *	Swap the bytes on the queue metadata page.
+ *
+ * PUBLIC: int __qam_mswap __P((ENV *, PAGE *));
+ */
+int
+__qam_mswap(env, pg)
+	ENV *env;
+	PAGE *pg;
+{
+	u_int8_t *p;
+
+	COMPQUIET(env, NULL);
+
+	 __db_metaswap(pg);
+	 p = (u_int8_t *)pg + sizeof(DBMETA);
+
+	SWAP32(p);		/* first_recno */
+	SWAP32(p);		/* cur_recno */
+	SWAP32(p);		/* re_len */
+	SWAP32(p);		/* re_pad */
+	SWAP32(p);		/* rec_page */
+	SWAP32(p);		/* page_ext */
+	p += 91 * sizeof(u_int32_t); /* unused */
+	SWAP32(p);		/* crypto_magic */
+
+	return (0);
+}
+
+/*
+ * __qam_pgin_out --
+ *	Convert host-specific page layout to/from the host-independent format
+ *	stored on disk.
+ *  We only need to fix up a few fields in the header
+ *
+ * PUBLIC: int __qam_pgin_out __P((ENV *, db_pgno_t, void *, DBT *));
+ */
+int
+__qam_pgin_out(env, pg, pp, cookie)
+	ENV *env;
+	db_pgno_t pg;
+	void *pp;
+	DBT *cookie;
+{
+	DB_PGINFO *pginfo;
+	QPAGE *h;
+
+	COMPQUIET(pg, 0);
+	pginfo = (DB_PGINFO *)cookie->data;
+	if (!F_ISSET(pginfo, DB_AM_SWAP))
+		return (0);
+
+	h = pp;
+	if (h->type == P_QAMMETA)
+	    return (__qam_mswap(env, pp));
+
+	M_32_SWAP(h->lsn.file);
+	M_32_SWAP(h->lsn.offset);
+	M_32_SWAP(h->pgno);
+
+	return (0);
+}