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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Contains all memory macros.
* \file IceMemoryMacros.h
* \author Pierre Terdiman
* \date April, 4, 2000
*/
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include Guard
#ifndef __ICEMEMORYMACROS_H__
#define __ICEMEMORYMACROS_H__
#undef ZeroMemory
#undef CopyMemory
#undef MoveMemory
#undef FillMemory
//! Clears a buffer.
//! \param addr [in] buffer address
//! \param size [in] buffer length
//! \see FillMemory
//! \see StoreDwords
//! \see CopyMemory
//! \see MoveMemory
inline_ void ZeroMemory(void* addr, udword size) { memset(addr, 0, size); }
//! Fills a buffer with a given byte.
//! \param addr [in] buffer address
//! \param size [in] buffer length
//! \param val [in] the byte value
//! \see StoreDwords
//! \see ZeroMemory
//! \see CopyMemory
//! \see MoveMemory
inline_ void FillMemory(void* dest, udword size, ubyte val) { memset(dest, val, size); }
//! Fills a buffer with a given dword.
//! \param addr [in] buffer address
//! \param nb [in] number of dwords to write
//! \param value [in] the dword value
//! \see FillMemory
//! \see ZeroMemory
//! \see CopyMemory
//! \see MoveMemory
//! \warning writes nb*4 bytes !
inline_ void StoreDwords(udword* dest, udword nb, udword value)
{
while (nb--) *dest++ = value;
}
//! Copies a buffer.
//! \param addr [in] destination buffer address
//! \param addr [in] source buffer address
//! \param size [in] buffer length
//! \see ZeroMemory
//! \see FillMemory
//! \see StoreDwords
//! \see MoveMemory
inline_ void CopyMemory(void* dest, const void* src, udword size) { memcpy(dest, src, size); }
//! Moves a buffer.
//! \param addr [in] destination buffer address
//! \param addr [in] source buffer address
//! \param size [in] buffer length
//! \see ZeroMemory
//! \see FillMemory
//! \see StoreDwords
//! \see CopyMemory
inline_ void MoveMemory(void* dest, const void* src, udword size) { memmove(dest, src, size); }
#define SIZEOFOBJECT sizeof(*this) //!< Gives the size of current object. Avoid some mistakes (e.g. "sizeof(this)").
//#define CLEAROBJECT { memset(this, 0, SIZEOFOBJECT); } //!< Clears current object. Laziness is my business. HANDLE WITH CARE.
#define DELETESINGLE(x) if (x) { delete x; x = null; } //!< Deletes an instance of a class.
#define DELETEARRAY(x) if (x) { delete []x; x = null; } //!< Deletes an array.
#define SAFE_RELEASE(x) if (x) { (x)->Release(); (x) = null; } //!< Safe D3D-style release
#define SAFE_DESTRUCT(x) if (x) { (x)->SelfDestruct(); (x) = null; } //!< Safe ICE-style release
#ifdef __ICEERROR_H__
#define CHECKALLOC(x) if(!x) return SetIceError;; // ("Out of memory.", EC_OUT_OF_MEMORY); //!< Standard alloc checking. HANDLE WITH CARE.
#else
#define CHECKALLOC(x) if(!x) return false;
#endif
//! Standard allocation cycle
#define SAFE_ALLOC(ptr, type, count) DELETEARRAY(ptr); ptr = new type[count]; CHECKALLOC(ptr);
#endif // __ICEMEMORYMACROS_H__
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