From 14c7f45cdae826f88dc539c8c38dd95caf305731 Mon Sep 17 00:00:00 2001
From: Maurus Cuelenaere <mcuelenaere@gmail.com>
Date: Fri, 11 Jul 2008 15:50:46 +0000
Subject: Add zook's ZenUtils to SVN

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18010 a1c6a512-1295-4272-9138-f99709370657
---
 .../libraries/beecrypt-4.1.2/beecrypt/endianness.c | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100755 utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.c

(limited to 'utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.c')

diff --git a/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.c b/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.c
new file mode 100755
index 0000000000..8a0999b63e
--- /dev/null
+++ b/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 1998, 1999, 2000, 2001 Virtual Unlimited B.V.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/*!\file endianness.c
+ * \brief Endian-dependant encoding/decoding.
+ * \author Bob Deblier <bob.deblier@pandora.be>
+ */
+
+#define BEECRYPT_DLL_EXPORT
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#if HAVE_ENDIAN_H && HAVE_ASM_BYTEORDER_H
+# include <endian.h>
+#endif
+
+#include "beecrypt/endianness.h"
+
+#undef swap16
+#undef swapu16
+#undef swap32
+#undef swapu32
+#undef swap64
+#undef swapu64
+
+int16_t swap16(int16_t n)
+{
+	return (    ((n & 0xff) << 8) |
+				((n & 0xff00) >> 8) );
+}
+
+uint16_t swapu16(uint16_t n)
+{
+	return (    ((n & 0xffU) << 8) |
+				((n & 0xff00U) >> 8) );
+}
+
+int32_t swap32(int32_t n)
+{
+	return (    ((n & 0xff) << 24) |
+				((n & 0xff00) << 8) |
+				((n & 0xff0000) >> 8) |
+				((n & 0xff000000) >> 24) );
+}
+
+uint32_t swapu32(uint32_t n)
+{
+	return (    ((n & 0xffU) << 24) |
+				((n & 0xff00U) << 8) |
+				((n & 0xff0000U) >> 8) |
+				((n & 0xff000000U) >> 24) );
+}
+
+int64_t swap64(int64_t n)
+{
+	return (    ((n & (((int64_t) 0xff)      )) << 56) |
+				((n & (((int64_t) 0xff) <<  8)) << 40) |
+				((n & (((int64_t) 0xff) << 16)) << 24) |
+				((n & (((int64_t) 0xff) << 24)) <<  8) |
+				((n & (((int64_t) 0xff) << 32)) >>  8) |
+				((n & (((int64_t) 0xff) << 40)) >> 24) |
+				((n & (((int64_t) 0xff) << 48)) >> 40) |
+				((n & (((int64_t) 0xff) << 56)) >> 56) );
+}
+
+uint64_t swapu64(uint64_t n)
+{
+	return (    ((n & (((uint64_t) 0xff)      )) << 56) |
+				((n & (((uint64_t) 0xff) <<  8)) << 40) |
+				((n & (((uint64_t) 0xff) << 16)) << 24) |
+				((n & (((uint64_t) 0xff) << 24)) <<  8) |
+				((n & (((uint64_t) 0xff) << 32)) >>  8) |
+				((n & (((uint64_t) 0xff) << 40)) >> 24) |
+				((n & (((uint64_t) 0xff) << 48)) >> 40) |
+				((n & (((uint64_t) 0xff) << 56)) >> 56) );
+}
-- 
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