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-rw-r--r--Opcode/OpcodeLib/Ice/IceMemoryMacros.h105
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diff --git a/Opcode/OpcodeLib/Ice/IceMemoryMacros.h b/Opcode/OpcodeLib/Ice/IceMemoryMacros.h
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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)
- {
- // The asm code below **SHOULD** be equivalent to one of those C versions
- // or the other if your compiled is good: (checked on VC++ 6.0)
- //
- // 1) while(nb--) *dest++ = value;
- //
- // 2) for(udword i=0;i<nb;i++) dest[i] = value;
- //
- _asm push eax
- _asm push ecx
- _asm push edi
- _asm mov edi, dest
- _asm mov ecx, nb
- _asm mov eax, value
- _asm rep stosd
- _asm pop edi
- _asm pop ecx
- _asm pop eax
- }
-
- //! 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__