1 files changed, 56 insertions, 0 deletions
diff --git a/db2/common/db_byteorder.c b/db2/common/db_byteorder.c
new file mode 100644
index 0000000000..d49883e093
--- /dev/null
+++ b/db2/common/db_byteorder.c
@@ -0,0 +1,56 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)db_byteorder.c	10.3 (Sleepycat) 6/21/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#endif
+
+#include "db_int.h"
+#include "common_ext.h"
+
+/*
+ * __db_byteorder --
+ *	Return if we need to do byte swapping, checking for illegal
+ *	values.
+ *
+ * PUBLIC: int __db_byteorder __P((DB_ENV *, int));
+ */
+int
+__db_byteorder(dbenv, lorder)
+	DB_ENV *dbenv;
+	int lorder;
+{
+	switch (lorder) {
+	case 0:
+		break;
+	case 1234:
+#if defined(WORDS_BIGENDIAN)
+		return (DB_SWAPBYTES);
+#else
+		break;
+#endif
+	case 4321:
+#if defined(WORDS_BIGENDIAN)
+		break;
+#else
+		return (DB_SWAPBYTES);
+#endif
+	default:
+		__db_err(dbenv,
+		    "illegal byte order, only big and little-endian supported");
+		return (EINVAL);
+	}
+	return (0);
+}