From 2523337416ae198835012873cdb24e70be1a9f9d Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sun, 28 Sep 2014 23:21:27 +0200
Subject: [PATCH] Split up endianness functions into separate header file

---
 endianness.h    | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 miscellaneous.h | 43 +--------------------------------
 2 files changed, 65 insertions(+), 42 deletions(-)
 create mode 100644 endianness.h

diff --git a/endianness.h b/endianness.h
new file mode 100644
index 0000000000..376edb24c4
--- /dev/null
+++ b/endianness.h
@@ -0,0 +1,64 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ *  Copyright (C) 2011-2014 - Daniel De Matteis
+ * 
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ENDIANNESS_H
+#define __ENDIANNESS_H
+
+#include <stdint.h>
+
+static inline uint8_t is_little_endian(void)
+{
+   union
+   {
+      uint16_t x;
+      uint8_t y[2];
+   } u;
+
+   u.x = 1;
+   return u.y[0];
+}
+
+static inline uint32_t swap_if_big32(uint32_t val)
+{
+   if (is_little_endian())
+      return val;
+   return (val >> 24) | ((val >> 8) & 0xFF00) |
+      ((val << 8) & 0xFF0000) | (val << 24);
+}
+
+static inline uint32_t swap_if_little32(uint32_t val)
+{
+   if (is_little_endian())
+      return (val >> 24) | ((val >> 8) & 0xFF00) |
+         ((val << 8) & 0xFF0000) | (val << 24);
+   return val;
+}
+
+static inline uint16_t swap_if_big16(uint16_t val)
+{
+   if (is_little_endian())
+      return val;
+   return (val >> 8) | (val << 8);
+}
+
+static inline uint16_t swap_if_little16(uint16_t val)
+{
+   if (is_little_endian())
+      return (val >> 8) | (val << 8);
+   return val;
+}
+
+#endif
diff --git a/miscellaneous.h b/miscellaneous.h
index d751196f72..4c572571bb 100644
--- a/miscellaneous.h
+++ b/miscellaneous.h
@@ -38,6 +38,7 @@
 #include "msvc/msvc_compat.h"
 
 #include "retroarch_logger.h"
+#include "endianness.h"
 #include <limits.h>
 
 /* Some platforms do not set this value.
@@ -107,48 +108,6 @@ static inline uint32_t prev_pow2(uint32_t v)
    return v - (v >> 1);
 }
 
-static inline uint8_t is_little_endian(void)
-{
-   union
-   {
-      uint16_t x;
-      uint8_t y[2];
-   } u;
-
-   u.x = 1;
-   return u.y[0];
-}
-
-static inline uint32_t swap_if_big32(uint32_t val)
-{
-   if (is_little_endian())
-      return val;
-   return (val >> 24) | ((val >> 8) & 0xFF00) |
-      ((val << 8) & 0xFF0000) | (val << 24);
-}
-
-static inline uint32_t swap_if_little32(uint32_t val)
-{
-   if (is_little_endian())
-      return (val >> 24) | ((val >> 8) & 0xFF00) |
-         ((val << 8) & 0xFF0000) | (val << 24);
-   return val;
-}
-
-static inline uint16_t swap_if_big16(uint16_t val)
-{
-   if (is_little_endian())
-      return val;
-   return (val >> 8) | (val << 8);
-}
-
-static inline uint16_t swap_if_little16(uint16_t val)
-{
-   if (is_little_endian())
-      return (val >> 8) | (val << 8);
-   return val;
-}
-
 /* Helper macros and struct to keep track of many booleans.
  * To check for multiple bits, use &&, not &.
  * For OR, | can be used. */