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/*
* Copyright (c) 2017, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef CMRTLIB_AGNOSTIC_SHARE_CM_MEM_H_
#define CMRTLIB_AGNOSTIC_SHARE_CM_MEM_H_
#include <cstring>
#include <new>
#include "cm_debug.h"
#define CmSafeDeleteArray(_ptr) {if(_ptr) {delete[] (_ptr); (_ptr)=0;}}
#define CmSafeRelease(_ptr) {if(_ptr) {delete (_ptr); (_ptr)=0;}}
/*****************************************************************************\
Inline Function:
CmSafeMemCopy
Description:
Exception Handler Memory Copy function
\*****************************************************************************/
inline void CmSafeMemCopy( void* dst, const void* src, const size_t bytes )
{
#ifdef _DEBUG
__try
#endif
{
memcpy( dst, src, bytes );
}
#ifdef _DEBUG
// catch exceptions here so they are easily debugged
__except(EXCEPTION_EXECUTE_HANDLER)
{
CmAssert(0);
}
#endif
}
/*****************************************************************************\
Inline Function:
CmSafeMemSet
Description:
Memory set
\*****************************************************************************/
inline void CmSafeMemSet( void* dst, const int data, const size_t bytes )
{
#ifdef _DEBUG
__try
#endif
{
::memset( dst, data, bytes );
}
#ifdef _DEBUG
// catch exceptions here so they are easily debugged
__except(EXCEPTION_EXECUTE_HANDLER)
{
CmAssert(0);
}
#endif
}
inline void CmDwordMemSet( void* dst, const uint32_t data, const size_t bytes )
{
uint32_t *ptr = reinterpret_cast<uint32_t*>( dst );
uint32_t size = (uint32_t)(bytes >> 2); // divide by 4 byte to dword
uint32_t *maxPtr = ptr + size;
while(ptr < maxPtr)
*ptr++ = data;
}
/*****************************************************************************\
Inline Function:
CmSafeMemCompare
Description:
Exception Handler Memory Compare function
\*****************************************************************************/
inline int CmSafeMemCompare(const void* dst, const void* src, const size_t bytes)
{
#ifdef _DEBUG
__try
#endif
{
return ::memcmp(dst, src, bytes);
}
#ifdef _DEBUG
// catch exceptions here so they are easily debugged
__except (EXCEPTION_EXECUTE_HANDLER)
{
CmAssert(0);
return 0x7FFFFFFF; // An unreasonably large value indicating errors.
}
#endif
}
#endif // #ifndef CMRTLIB_AGNOSTIC_SHARE_CM_MEM_H_
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