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endianess.cpp

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/*
        $Id: endianess.cpp,v 1.4 2001/02/11 02:03:46 plasmoid Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------

        File purpose:
                Implementation of the CL_Endian class.

*/

#include "Core/precomp.h"

#ifdef BORLAND
#pragma hdrstop
#endif

#include "API/Core/IOData/cl_endian.h"
/*
void CL_Endian::swap(void *data, int type_size)
{
        if (type_size == 1) return;

        unsigned char *d = (unsigned char *) data;
        
        for (int i=0; i<type_size/2; i++)
        {
                unsigned char a = d[i];
                d[i] = d[type_size-1-i];
                d[type_size-1-i] = a;
        }
}
*/

void CL_Endian::swap(void *data, int type_size, int total_times)
{
        if (type_size == 1) return;

        unsigned char *d = (unsigned char *) data;
        
        for (int j=0; j<total_times; j++)
        {
                for (int i=0; i<type_size/2; i++)
                {
                        unsigned char a = d[i];
                        d[i] = d[type_size-1-i];
                        d[type_size-1-i] = a;
                }
                
                d += type_size;
        }
}

bool CL_Endian::is_system_big()
{
#ifdef USE_BIG_ENDIAN
        return true;
#else
        return false;
#endif
}

bool CL_Endian::is_system_64bit()
{
        if (sizeof(int*) == 8) return true;
        return false;
}

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