It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/support/ByteOrder.h

@@ -0,0 +1,142 @@
+// Modified BeOS header. Just here to be able to compile and test BResources.
+// To be replaced by the OpenBeOS version to be provided by the IK Team.
+
+#ifndef _sk_byte_order_h_
+#define _sk_byte_order_h_
+
+#include <BeBuild.h>
+#include <endian.h>
+#include <SupportDefs.h>
+#include <TypeConstants.h>	/* For convenience */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+/*----------------------------------------------------------------------*/
+/*------- Swap-direction constants, and swapping functions -------------*/
+
+typedef enum {
+	B_SWAP_HOST_TO_LENDIAN,
+	B_SWAP_HOST_TO_BENDIAN,
+	B_SWAP_LENDIAN_TO_HOST,
+	B_SWAP_BENDIAN_TO_HOST,
+	B_SWAP_ALWAYS
+} swap_action;
+
+extern status_t swap_data(type_code type, void *data, size_t length,
+						  swap_action action);
+
+extern bool is_type_swapped(type_code type);
+ 
+ 
+/*-----------------------------------------------------------------------*/
+/*----- Private implementations -----------------------------------------*/
+extern double __swap_double(double arg);
+extern float  __swap_float(float arg);
+extern uint64 __swap_int64(uint64 uarg);
+extern uint32 __swap_int32(uint32 uarg);
+extern uint16 __swap_int16(uint16 uarg);
+/*-------------------------------------------------------------*/
+
+
+/*-------------------------------------------------------------*/
+/*--------- Host is Little  --------------------------------------*/
+
+#if BYTE_ORDER == __LITTLE_ENDIAN
+#define B_HOST_IS_LENDIAN 1
+#define B_HOST_IS_BENDIAN 0
+
+/*--------- Host Native -> Little  --------------------*/
+
+#define B_HOST_TO_LENDIAN_DOUBLE(arg)	(double)(arg)
+#define B_HOST_TO_LENDIAN_FLOAT(arg)	(float)(arg)
+#define B_HOST_TO_LENDIAN_INT64(arg)	(uint64)(arg)
+#define B_HOST_TO_LENDIAN_INT32(arg)	(uint32)(arg)
+#define B_HOST_TO_LENDIAN_INT16(arg)	(uint16)(arg)
+
+/*--------- Host Native -> Big  ------------------------*/
+#define B_HOST_TO_BENDIAN_DOUBLE(arg)	__swap_double(arg)
+#define B_HOST_TO_BENDIAN_FLOAT(arg)	__swap_float(arg)
+#define B_HOST_TO_BENDIAN_INT64(arg)	__swap_int64(arg)
+#define B_HOST_TO_BENDIAN_INT32(arg)	__swap_int32(arg)
+#define B_HOST_TO_BENDIAN_INT16(arg)	__swap_int16(arg)
+
+/*--------- Little -> Host Native ---------------------*/
+#define B_LENDIAN_TO_HOST_DOUBLE(arg)	(double)(arg)
+#define B_LENDIAN_TO_HOST_FLOAT(arg)	(float)(arg)
+#define B_LENDIAN_TO_HOST_INT64(arg)	(uint64)(arg)
+#define B_LENDIAN_TO_HOST_INT32(arg)	(uint32)(arg)
+#define B_LENDIAN_TO_HOST_INT16(arg)	(uint16)(arg)
+
+/*--------- Big -> Host Native ------------------------*/
+#define B_BENDIAN_TO_HOST_DOUBLE(arg)	__swap_double(arg)
+#define B_BENDIAN_TO_HOST_FLOAT(arg)	__swap_float(arg)
+#define B_BENDIAN_TO_HOST_INT64(arg)	__swap_int64(arg)
+#define B_BENDIAN_TO_HOST_INT32(arg)	__swap_int32(arg)
+#define B_BENDIAN_TO_HOST_INT16(arg)	__swap_int16(arg)
+
+#else /* __LITTLE_ENDIAN */
+
+
+/*-------------------------------------------------------------*/
+/*--------- Host is Big  --------------------------------------*/
+
+#define B_HOST_IS_LENDIAN 0
+#define B_HOST_IS_BENDIAN 1
+
+/*--------- Host Native -> Little  -------------------*/
+#define B_HOST_TO_LENDIAN_DOUBLE(arg)	__swap_double(arg)
+#define B_HOST_TO_LENDIAN_FLOAT(arg)	__swap_float(arg)
+#define B_HOST_TO_LENDIAN_INT64(arg)	__swap_int64(arg)
+#define B_HOST_TO_LENDIAN_INT32(arg)	__swap_int32(arg)
+#define B_HOST_TO_LENDIAN_INT16(arg)	__swap_int16(arg)
+
+/*--------- Host Native -> Big  ------------------------*/
+#define B_HOST_TO_BENDIAN_DOUBLE(arg)	(double)(arg)
+#define B_HOST_TO_BENDIAN_FLOAT(arg)	(float)(arg)
+#define B_HOST_TO_BENDIAN_INT64(arg)	(uint64)(arg)
+#define B_HOST_TO_BENDIAN_INT32(arg)	(uint32)(arg)
+#define B_HOST_TO_BENDIAN_INT16(arg)	(uint16)(arg)
+
+/*--------- Little -> Host Native ----------------------*/
+#define B_LENDIAN_TO_HOST_DOUBLE(arg)	__swap_double(arg)
+#define B_LENDIAN_TO_HOST_FLOAT(arg)	__swap_float(arg)
+#define B_LENDIAN_TO_HOST_INT64(arg)	__swap_int64(arg)
+#define B_LENDIAN_TO_HOST_INT32(arg)	__swap_int32(arg)
+#define B_LENDIAN_TO_HOST_INT16(arg)	__swap_int16(arg)
+
+/*--------- Big -> Host Native -------------------------*/
+#define B_BENDIAN_TO_HOST_DOUBLE(arg)	(double)(arg)
+#define B_BENDIAN_TO_HOST_FLOAT(arg)	(float)(arg)
+#define B_BENDIAN_TO_HOST_INT64(arg)	(uint64)(arg)
+#define B_BENDIAN_TO_HOST_INT32(arg)	(uint32)(arg)
+#define B_BENDIAN_TO_HOST_INT16(arg)	(uint16)(arg)
+
+#endif /* __LITTLE_ENDIAN */
+
+
+/*-------------------------------------------------------------*/
+/*--------- Just-do-it macros ---------------------------------*/
+#define B_SWAP_DOUBLE(arg)   __swap_double(arg)
+#define B_SWAP_FLOAT(arg)    __swap_float(arg)
+#define B_SWAP_INT64(arg)    __swap_int64(arg)
+#define B_SWAP_INT32(arg)    __swap_int32(arg)
+#define B_SWAP_INT16(arg)    __swap_int16(arg)
+
+
+/*-------------------------------------------------------------*/
+/*---------Berkeley macros -----------------------------------*/
+#define htonl(x) B_HOST_TO_BENDIAN_INT32(x)
+#define ntohl(x) B_BENDIAN_TO_HOST_INT32(x)
+#define htons(x) B_HOST_TO_BENDIAN_INT16(x)
+#define ntohs(x) B_BENDIAN_TO_HOST_INT16(x)
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+/*-------------------------------------------------------------*/
+/*-------------------------------------------------------------*/
+
+#endif	// _sk_byte_order_h_