--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/testexecfw/statsrv/device/source/statapi/src/ntoh.cpp Mon Mar 08 15:03:44 2010 +0800
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+/********************************************************************************
+ *
+ * Local Includes
+ *
+ *******************************************************************************/
+#include "ntoh.h"
+#include "assert.h"
+
+/********************************************************************************
+ *
+ * Implementation
+ *
+ *******************************************************************************/
+int DetectLocalEndian()
+{
+ /* put a long onto the stack */
+ long integer_value = 0x11223344;
+ char *stack_value = (char*)&integer_value;
+ int iType = LilEnd;
+
+ /* see how it's layed out */
+ if( stack_value[0] == 0x11 )
+ {
+ asserte( stack_value[1] == 0x22 );
+ asserte( stack_value[2] == 0x33 );
+ asserte( stack_value[3] == 0x44 );
+ iType = BigEnd;
+ }
+ else if( stack_value[0] == 0x44 )
+ {
+ asserte( stack_value[1] == 0x33 );
+ asserte( stack_value[2] == 0x22 );
+ asserte( stack_value[3] == 0x11 );
+ }
+ else
+ {
+ ;
+ }
+
+ return iType;
+}
+
+long LittleToBigL( long src )
+{
+ long dst;
+ char *psrc = (char*)&src, *pdst = (char*)&dst;
+ pdst[0] = psrc[3];
+ pdst[1] = psrc[2];
+ pdst[2] = psrc[1];
+ pdst[3] = psrc[0];
+ return dst;
+}
+
+long BigToLittleL( long src )
+{
+ long dst;
+ char *psrc = (char*)&src, *pdst = (char*)&dst;
+ pdst[0] = psrc[3];
+ pdst[1] = psrc[2];
+ pdst[2] = psrc[1];
+ pdst[3] = psrc[0];
+ return dst;
+}
+
+short LittleToBigS( short src )
+{
+ short dst;
+ char *psrc = (char*)&src, *pdst = (char*)&dst;
+ pdst[0] = psrc[1];
+ pdst[1] = psrc[0];
+ return src;
+}
+
+short BigToLittleS( short src )
+{
+ short dst;
+ char *psrc = (char*)&src, *pdst = (char*)&dst;
+ pdst[0] = psrc[1];
+ pdst[1] = psrc[0];
+ return src;
+}
+
+long ntohl( long src )
+{
+ // get the endianess of this machine -- if bigendian then it is the
+ // same as network byte order and nothing needs
+ int thisMachine = DetectLocalEndian();
+ if( thisMachine == BigEnd )
+ return src;
+
+ // otherwise we have to convert from bigendian to little
+ return BigToLittleL( src );
+}
+
+long htonl( long src )
+{
+ // get the endianess of this machine -- if bigendian then it is the
+ // same as network byte order and nothing needs
+ int thisMachine = DetectLocalEndian();
+ if( thisMachine == BigEnd )
+ return src;
+
+ // otherwise we have to convert from littleendian to big
+ return LittleToBigL( src );
+}
+
+short ntohs( short src )
+{
+ // get the endianess of this machine -- if bigendian then it is the
+ // same as network byte order and nothing needs
+ int thisMachine = DetectLocalEndian();
+ if( thisMachine == BigEnd )
+ return src;
+
+ // otherwise we have to convert from bigendian to little
+ return BigToLittleS( src );}
+
+short htons( short src )
+{
+ // get the endianess of this machine -- if bigendian then it is the
+ // same as network byte order and nothing needs
+ int thisMachine = DetectLocalEndian();
+ if( thisMachine == BigEnd )
+ return src;
+
+ // otherwise we have to convert from littleendian to big
+ return LittleToBigS( src );
+}