1 files changed, 86 insertions, 0 deletions
diff --git a/core/include/arrange.h b/core/include/arrange.h
new file mode 100644
index 0000000..d3eac98
--- /dev/null
+++ b/core/include/arrange.h
@@ -0,0 +1,86 @@
+/*
+ *  Copyright © 2006-2013 SplinterGU (Fenix/Bennugd)
+ *  Copyright © 2002-2006 Fenix Team (Fenix)
+ *  Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ *  This file is part of Bennu - Game Development
+ *
+ *  This software is provided 'as-is', without any express or implied
+ *  warranty. In no event will the authors be held liable for any damages
+ *  arising from the use of this software.
+ *
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, subject to the following restrictions:
+ *
+ *     1. The origin of this software must not be misrepresented; you must not
+ *     claim that you wrote the original software. If you use this software
+ *     in a product, an acknowledgment in the product documentation would be
+ *     appreciated but is not required.
+ *
+ *     2. Altered source versions must be plainly marked as such, and must not be
+ *     misrepresented as being the original software.
+ *
+ *     3. This notice may not be removed or altered from any source
+ *     distribution.
+ *
+ */
+
+#ifndef __ARRANGE_ST_H
+    #define __ARRANGE_ST_H
+
+    #include <stdint.h>
+
+    #define __LIL_ENDIAN 1234
+    #define __BIG_ENDIAN 4321
+
+    #if defined(__hppa__) || \
+        defined(__m68k__) || \
+        defined(mc68000) || \
+        defined(_M_M68K) || \
+        (defined(__MIPS__) && defined(__MISPEB__)) || \
+        defined(__ppc__) || \
+        defined(__POWERPC__) || \
+        defined(_M_PPC) || \
+        defined(__sparc__)
+        #define __BYTEORDER  __BIG_ENDIAN
+    #else
+        #define __BYTEORDER  __LIL_ENDIAN
+    #endif
+
+    /* ---------------------------------------------------------------------- */
+    /* Trucos de portabilidad                                                 */
+    /* ---------------------------------------------------------------------- */
+
+    #if __BYTEORDER == __LIL_ENDIAN
+        #define ARRANGE_DWORD(x)
+        #define ARRANGE_WORD(x)
+
+        #define ARRANGE_DWORDS(x,c)
+        #define ARRANGE_WORDS(x,c)
+    #else
+        static __inline__ void DO_Swap16(uint16_t * D) {
+            *D = ((*D<<8)|(*D>>8));
+        }
+
+        static __inline__ void DO_Swap32(uint32_t * D) {
+            *D = ((*D<<24)|((*D<<8)&0x00FF0000)|((*D>>8)&0x0000FF00)|(*D>>24));
+        }
+
+        #define ARRANGE_DWORD(x)    DO_Swap32(x)
+        #define ARRANGE_WORD(x)     DO_Swap16(x)
+
+        #define ARRANGE_DWORDS(x,c) {               \
+            int __n;                                \
+            uint32_t * __p = (uint32_t *)(x);       \
+            for (__n = 0 ; __n < (int)(c) ; __n++)  \
+                ARRANGE_DWORD(&__p[__n]);           \
+            }
+        #define ARRANGE_WORDS(x,c) {                \
+            int __n;                                \
+            uint16_t * __p = (uint16_t *)(x);       \
+            for (__n = 0 ; __n < (int)(c) ; __n++)  \
+                ARRANGE_WORD(&__p[__n]);            \
+            }
+    #endif
+#endif