From bb1c80f68ef8004e01d5bb792a85a128b1a840be Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Thu, 14 Feb 2013 14:23:51 +0100
Subject: [PATCH] Add byteswap.h.

---
 libc/include/__/byteswap.h | 39 +++++++++++++++++++++++++++++++++++++
 libc/include/byteswap.h    | 40 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+)
 create mode 100644 libc/include/__/byteswap.h
 create mode 100644 libc/include/byteswap.h

diff --git a/libc/include/__/byteswap.h b/libc/include/__/byteswap.h
new file mode 100644
index 00000000..e222aedf
--- /dev/null
+++ b/libc/include/__/byteswap.h
@@ -0,0 +1,39 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+    This file is part of the Sortix C Library.
+
+    The Sortix C 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 3 of the License, or (at your
+    option) any later version.
+
+    The Sortix C 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
+
+    __/byteswap.h
+    Convert byte ordering of integers.
+
+*******************************************************************************/
+
+#ifndef INCLUDE____BYTESWAP_H
+#define INCLUDE____BYTESWAP_H
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Use compiler builtins for efficient byte swapping. */
+#define __bswap_16(x) __builtin_bswap16(x)
+#define __bswap_32(x) __builtin_bswap32(x)
+#define __bswap_64(x) __builtin_bswap64(x)
+
+__END_DECLS
+
+#endif
diff --git a/libc/include/byteswap.h b/libc/include/byteswap.h
new file mode 100644
index 00000000..2a933899
--- /dev/null
+++ b/libc/include/byteswap.h
@@ -0,0 +1,40 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+    This file is part of the Sortix C Library.
+
+    The Sortix C 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 3 of the License, or (at your
+    option) any later version.
+
+    The Sortix C 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
+
+    byteswap.h
+    Convert byte ordering of integers.
+
+*******************************************************************************/
+
+#ifndef _BYTESWAP_H
+#define _BYTESWAP_H 1
+
+#include <features.h>
+#include <__/byteswap.h>
+
+__BEGIN_DECLS
+
+/* Easy byte swapping of integers. */
+#define bswap_16(x) __bswap_16(x)
+#define bswap_32(x) __bswap_32(x)
+#define bswap_64(x) __bswap_64(x)
+
+__END_DECLS
+
+#endif