xscopy.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */
#ifndef XSCOPY_H
#define XSCOPY_H

#define XSLISTCOPY(C)    \
        if (copy == thisPtr) \
        {                    \
                return;          \
        }                    \
        C##_assign(copy, thisPtr->m_size, thisPtr->m_data);

#define XSLISTSWAP3(C, B, S)                                             \
        if ((!a->m_data || (a->m_flags & XSDF_Managed)) &&                   \
                (!b->m_data || (b->m_flags & XSDF_Managed)))                     \
        {                                                                    \
                B tmp;                                                           \
                *((C**)&tmp.m_data) = a->m_data;                                 \
                *((XsSize*)&tmp.m_size) = a->m_size;                             \
                *((int*)&tmp.m_flags) = a->m_flags;                              \
                *((C**)&a->m_data) = b->m_data;                                  \
                *((XsSize*)&a->m_size) = b->m_size;                              \
                *((int*)&a->m_flags) = b->m_flags;                               \
                *((C**)&b->m_data) = tmp.m_data;                                 \
                *((XsSize*)&b->m_size) = tmp.m_size;                             \
                *((int*)&b->m_flags) = tmp.m_flags;                              \
        }                                                                    \
        else                                                                 \
        { /* elementwise swap */                                             \
                XsSize i;                                                        \
                assert(a->m_size == b->m_size);                                  \
                for (i = 0; i < a->m_size; ++i) S(&a->m_data[i], &b->m_data[i]); \
        }

#define XSLISTSWAP2(C, B) XSLISTSWAP3(C, B, C##_swap)

#define XSLISTSWAP(C) XSLISTSWAP2(C, C##List)

#endif  // file guard